/*******************************************************************************
* Copyright (c) 2000, 2016 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
*
* Contributors:
* IBM Corporation - initial API and implementation
* Stephan Herrmann - Contribution for
* bug 383690 - [compiler] location of error re uninitialized final field should be aligned
* bug 388800 - [1.8] adjust tests to 1.8 JRE
* bug 388795 - [compiler] detection of name clash depends on order of super interfaces
* bug 388739 - [1.8][compiler] consider default methods when detecting whether a class needs to be declared abstract
* bug 395681 - [compiler] Improve simulation of javac6 behavior from bug 317719 after fixing bug 388795
* bug 406928 - computation of inherited methods seems damaged (affecting @Overrides)
* Bug 400874 - [1.8][compiler] Inference infrastructure should evolve to meet JLS8 18.x (Part G of JSR335 spec)
* Bug 424286 - [1.8] Update type inference to spec version 0.9.1
* Bug 426676 - [1.8][compiler] Wrong generic method type inferred from lambda expression
* Bug 423505 - [1.8] Implement "18.5.4 More Specific Method Inference"
* Bug 434483 - [1.8][compiler][inference] Type inference not picked up with method reference
* Harry Terkelsen - Bug 460491 - NPE in ParameterizedTypeBinding.collectSubstitutes
*******************************************************************************/
package org.eclipse.jdt.core.tests.compiler.regression;
import java.io.File;
import java.util.Map;
import junit.framework.Test;
import org.eclipse.jdt.core.JavaCore;
import org.eclipse.jdt.core.ToolFactory;
import org.eclipse.jdt.core.tests.util.Util;
import org.eclipse.jdt.core.util.ClassFileBytesDisassembler;
import org.eclipse.jdt.internal.compiler.classfmt.ClassFileConstants;
import org.eclipse.jdt.internal.compiler.impl.CompilerOptions;
@SuppressWarnings({ "unchecked", "rawtypes" })
public class GenericTypeTest extends AbstractComparableTest {
public GenericTypeTest(String name) {
super(name);
}
// Static initializer to specify tests subset using TESTS_* static variables
// All specified tests which does not belong to the class are skipped...
static {
// TESTS_NAMES = new String[] { "test1277" };
// TESTS_NUMBERS = new int[] { 470, 627 };
// TESTS_RANGE = new int[] { 1097, -1 };
}
public static Test suite() {
return buildComparableTestSuite(testClass());
}
public static Class testClass() {
return GenericTypeTest.class;
}
protected Map getCompilerOptions() {
Map options = super.getCompilerOptions();
options.put(CompilerOptions.OPTION_ReportMissingOverrideAnnotationForInterfaceMethodImplementation, CompilerOptions.DISABLED);
options.put(CompilerOptions.OPTION_ReportUnusedLocal, CompilerOptions.IGNORE);
options.put(CompilerOptions.OPTION_ReportUnusedParameter, CompilerOptions.IGNORE);
options.put(CompilerOptions.OPTION_ReportUnusedPrivateMember, CompilerOptions.IGNORE);
options.put(CompilerOptions.OPTION_ReportUnusedTypeParameter, CompilerOptions.IGNORE);
return options;
}
public void test0001() {
this.runConformTest(
new String[] {
"X.java",
"public class X<Tx1 extends String, Tx2 extends Comparable> extends XS<Tx2> {\n" +
"\n" +
" public static void main(String[] args) {\n" +
" Integer w = new X<String,Integer>().get(new Integer(12));\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
"}\n" +
"class XS <Txs> {\n" +
" Txs get(Txs t) {\n" +
" return t;\n" +
" }\n" +
"}\n"
},
"SUCCESS");
}
public void test0002() {
this.runConformTest(
new String[] {
"X.java",
"public class X<Xp1 extends String, Xp2 extends Comparable> extends XS<Xp2> {\n" +
"\n" +
" public static void main(String[] args) {\n" +
" Integer w = new X<String,Integer>().get(new Integer(12));\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
" Xp2 get(Xp2 t){\n" +
" System.out.print(\"{X::get}\");\n" +
" return super.get(t);\n" +
" }\n" +
"}\n" +
"\n" +
"class XS <XSp1> {\n" +
" XSp1 get(XSp1 t) {\n" +
" System.out.print(\"{XS::get}\");\n" +
" return t;\n" +
" }\n" +
"}\n"
},
"{X::get}{XS::get}SUCCESS");
}
// check cannot bind superclass to type variable
public void test0003() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X <X> extends X {\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 1)\n" +
" public class X <X> extends X {\n" +
" ^\n" +
"The type parameter X is hiding the type X<X>\n" +
"----------\n" +
"2. ERROR in X.java (at line 1)\n" +
" public class X <X> extends X {\n" +
" ^\n" +
"Cannot refer to the type parameter X as a supertype\n" +
"----------\n");
}
// check cannot bind superinterface to type variable
public void test0004() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X <X> implements X {\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 1)\n" +
" public class X <X> implements X {\n" +
" ^\n" +
"The type parameter X is hiding the type X<X>\n" +
"----------\n" +
"2. ERROR in X.java (at line 1)\n" +
" public class X <X> implements X {\n" +
" ^\n" +
"Cannot refer to the type parameter X as a supertype\n" +
"----------\n");
}
// check cannot bind type variable in static context
public void test0005() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X <T> {\n" +
" \n" +
" T t;\n" +
" static {\n" +
" T s;\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 5)\n" +
" T s;\n" +
" ^\n" +
"Cannot make a static reference to the non-static type T\n" +
"----------\n");
}
// check static references to type variables
public void test0006() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X <T> {\n" +
" \n" +
" T ok1;\n" +
" static {\n" +
" T wrong1;\n" +
" }\n" +
" static void foo(T wrong2) {\n" +
" T wrong3;\n" +
" }\n" +
" class MX extends T {\n" +
" T ok2;\n" +
" }\n" +
" static class SMX extends T {\n" +
" T wrong4;\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 5)\n" +
" T wrong1;\n" +
" ^\n" +
"Cannot make a static reference to the non-static type T\n" +
"----------\n" +
"2. ERROR in X.java (at line 7)\n" +
" static void foo(T wrong2) {\n" +
" ^\n" +
"Cannot make a static reference to the non-static type T\n" +
"----------\n" +
"3. ERROR in X.java (at line 8)\n" +
" T wrong3;\n" +
" ^\n" +
"Cannot make a static reference to the non-static type T\n" +
"----------\n" +
"4. ERROR in X.java (at line 10)\n" +
" class MX extends T {\n" +
" ^\n" +
"Cannot refer to the type parameter T as a supertype\n" +
"----------\n" +
"5. ERROR in X.java (at line 13)\n" +
" static class SMX extends T {\n" +
" ^\n" +
"Cannot make a static reference to the non-static type T\n" +
"----------\n" +
"6. ERROR in X.java (at line 14)\n" +
" T wrong4;\n" +
" ^\n" +
"Cannot make a static reference to the non-static type T\n" +
"----------\n");
}
// check static references to type variables
public void test0007() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X <T> {\n" +
" \n" +
" T ok1;\n" +
" static class SMX {\n" +
" T wrong4;\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 5)\n" +
" T wrong4;\n" +
" ^\n" +
"Cannot make a static reference to the non-static type T\n" +
"----------\n");
}
// check static references to type variables
public void test0008() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X <T> {\n" +
" \n" +
" T ok;\n" +
" static T wrong;\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" static T wrong;\n" +
" ^\n" +
"Cannot make a static reference to the non-static type T\n" +
"----------\n");
}
// Object cannot be generic
public void test0009() {
this.runNegativeTest(
new String[] {
"Object.java",
"package java.lang;\n" +
"public class Object <T> {\n" +
"}\n",
},
"----------\n" +
"1. ERROR in Object.java (at line 2)\n" +
" public class Object <T> {\n" +
" ^\n" +
"The type java.lang.Object cannot be declared as a generic\n" +
"----------\n");
}
public void test0010() {
this.runNegativeTest(
new String[] {
"X.java",
"class Foo {} \n" +
"public class X<T extends Object & Comparable<? super T>> {\n" +
" public static void main(String[] args) {\n" +
" new X<Foo>();\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" new X<Foo>();\n" +
" ^^^\n" +
"Bound mismatch: The type Foo is not a valid substitute for the bounded parameter <T extends Object & Comparable<? super T>> of the type X<T>\n" +
"----------\n");
}
public void test0011() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T extends Object & Comparable<? super T>> {\n" +
" public static void main(String[] args) {\n" +
" new X<Foo>();\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 3)\n" +
" new X<Foo>();\n" +
" ^^^\n" +
"Foo cannot be resolved to a type\n" +
"----------\n");
}
public void test0012() {
this.runConformTest(
new String[] {
"X.java",
"public class X <T extends String> {\n" +
" T foo(T t) {\n" +
" return t;\n" +
" }\n" +
" \n" +
" public static void main(String[] args) {\n" +
" String s = new X<String>().foo(\"SUCCESS\");\n" +
" System.out.println(s);\n" +
" }\n" +
"}\n",
},
"SUCCESS");
}
public void test0013() {
this.runConformTest(
new String[] {
"X.java",
"public class X <T extends String> {\n" +
" T foo(T t) {\n" +
" return t;\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" new X<String>().baz(\"SUCCESS\");\n" +
" }\n" +
" void baz(final T t) {\n" +
" new Object() {\n" +
" void print() {\n" +
" System.out.println(foo(t));\n" +
" }\n" +
" }.print();\n" +
" }\n" +
"}\n",
},
"SUCCESS");
}
public void test0014() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X <T extends Exception> {\n" +
" T foo(T t) throws T {\n" +
" return t;\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" new X<EX>().baz(new EX());\n" +
" }\n" +
" void baz(final T t) {\n" +
" new Object() {\n" +
" void print() {\n" +
" System.out.println(foo(t));\n" +
" }\n" +
" }.print();\n" +
" }\n" +
"}\n" +
"class EX extends Exception {\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 11)\n" +
" System.out.println(foo(t));\n" +
" ^^^^^^\n" +
"Unhandled exception type T\n" +
"----------\n" +
"2. WARNING in X.java (at line 16)\n" +
" class EX extends Exception {\n" +
" ^^\n" +
"The serializable class EX does not declare a static final serialVersionUID field of type long\n" +
"----------\n");
}
public void test0015() {
this.runConformTest(
new String[] {
"X.java",
"public class X <T extends Exception> {\n" +
" String foo() throws T {\n" +
" return \"SUCCESS\";\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" new X<EX>().baz(new EX());\n" +
" }\n" +
" void baz(final T t) {\n" +
" new Object() {\n" +
" void print() {\n" +
" try {\n" +
" System.out.println(foo());\n" +
" } catch (Exception t) {\n" +
" }\n" +
" }\n" +
" }.print();\n" +
" }\n" +
"}\n" +
"class EX extends Exception {\n" +
"}\n",
},
"SUCCESS");
}
public void test0016() {
this.runConformTest(
new String[] {
"X.java",
"public class X <E extends Exception> {\n" +
" void foo(E e) throws E {\n" +
" throw e;\n" +
" }\n" +
" void bar(E e) {\n" +
" try {\n" +
" foo(e);\n" +
" } catch(Exception ex) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" new X<Exception>().bar(new Exception());\n" +
" }\n" +
"}\n",
},
"SUCCESS");
}
public void test0017() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.io.IOException;\n" +
"public class X <E extends Exception> {\n" +
" void foo(E e) throws E {\n" +
" throw e;\n" +
" }\n" +
" void bar(E e) {\n" +
" try {\n" +
" foo(e);\n" +
" } catch(Exception ex) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" new X<IOException>().bar(new Exception());\n" +
" }\n" +
"}\n" ,
},
"----------\n" +
"1. ERROR in X.java (at line 14)\n" +
" new X<IOException>().bar(new Exception());\n" +
" ^^^\n" +
"The method bar(IOException) in the type X<IOException> is not applicable for the arguments (Exception)\n" +
"----------\n");
}
public void test0018() {
this.runConformTest(
new String[] {
"X.java",
"public class X <T> {\n" +
" T foo(T t) {\n" +
" System.out.println(t);\n" +
" return t;\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" new X<XY>() {\n" +
" void run() {\n" +
" foo(new XY());\n" +
" }\n" +
" }.run();\n" +
" }\n" +
"}\n" +
"class XY {\n" +
" public String toString() {\n" +
" return \"SUCCESS\";\n" +
" }\n" +
"}\n",
},
"SUCCESS");
}
public void test0019() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X <T> {\n" +
" private T foo(T t) {\n" +
" System.out.println(t);\n" +
" return t;\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" new X<XY>() {\n" +
" void run() {\n" +
" foo(new XY());\n" +
" }\n" +
" }.run();\n" +
" }\n" +
"}\n" +
"class XY {\n" +
" public String toString() {\n" +
" return \"SUCCESS\";\n" +
" }\n" +
"}",
},
"----------\n" +
"1. ERROR in X.java (at line 9)\n" +
" foo(new XY());\n" +
" ^^^\n" +
"The method foo(T) in the type X<T> is not applicable for the arguments (XY)\n" +
"----------\n" +
"2. WARNING in X.java (at line 15)\n" +
" public String toString() {\n" +
" ^^^^^^^^^^\n" +
"The method toString() of type XY should be tagged with @Override since it actually overrides a superclass method\n" +
"----------\n");
}
public void test0020() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X <T> {\n" +
" void foo(Y<T> y) {\n" +
" System.out.print(\"SUCC\");\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" new X<String>().bar();\n" +
" }\n" +
" void bar() {\n" +
" new Y<T>() {\n" +
" @Override\n" +
" public void pre() {\n" +
" foo(this);\n" +
" }\n" +
" }.print(\"ESS\");\n" +
" }\n" +
"}\n" +
"class Y <P> {\n" +
" public void print(P p) {\n" +
" pre();\n" +
" System.out.println(p);\n" +
" }\n" +
" public void pre() {\n" +
" }\n" +
"}",
},
"----------\n" +
"1. ERROR in X.java (at line 14)\n" +
" }.print(\"ESS\");\n" +
" ^^^^^\n" +
"The method print(T) in the type Y<T> is not applicable for the arguments (String)\n" +
"----------\n");
}
public void test0021() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X <T extends String> {\n" +
" void foo(T t) {\n" +
" }\n" +
" void bar(String x) {\n" +
" foo(x);\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" new X<String>().foo(new Object());\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 1)\n" +
" public class X <T extends String> {\n" +
" ^^^^^^\n" +
"The type parameter T should not be bounded by the final type String. Final types cannot be further extended\n" +
"----------\n" +
"2. ERROR in X.java (at line 5)\n" +
" foo(x);\n" +
" ^^^\n" +
"The method foo(T) in the type X<T> is not applicable for the arguments (String)\n" +
"----------\n" +
"3. ERROR in X.java (at line 8)\n" +
" new X<String>().foo(new Object());\n" +
" ^^^\n" +
"The method foo(String) in the type X<String> is not applicable for the arguments (Object)\n" +
"----------\n");
}
public void test0022() {
this.runConformTest(
new String[] {
"X.java",
"public class X <T extends String> {\n" +
" X(T t) {\n" +
" System.out.println(t);\n" +
" }\n" +
" \n" +
" public static void main(String[] args) {\n" +
" new X<String>(\"SUCCESS\");\n" +
" }\n" +
"}\n",
},
"SUCCESS");
}
public void test0023() {
this.runConformTest(
new String[] {
"X.java",
"public class X <T extends String> {\n" +
" X(final T t) {\n" +
" new Object() {\n" +
" void print() {\n" +
" System.out.println(t);\n" +
" }\n" +
" }.print();\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" new X<String>(\"SUCCESS\");\n" +
" }\n" +
"}\n",
},
"SUCCESS");
}
public void test0024() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X <T extends Exception> {\n" +
" X(final T t) throws T {\n" +
" new Object() {\n" +
" void print() {\n" +
" System.out.println(t);\n" +
" }\n" +
" }.print();\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" new X<EX>(new EX());\n" +
" }\n" +
"}\n" +
"class EX extends Exception {\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 10)\n" +
" new X<EX>(new EX());\n" +
" ^^^^^^^^^^^^^^^^^^^\n" +
"Unhandled exception type EX\n" +
"----------\n" +
"2. WARNING in X.java (at line 13)\n" +
" class EX extends Exception {\n" +
" ^^\n" +
"The serializable class EX does not declare a static final serialVersionUID field of type long\n" +
"----------\n");
}
public void test0025() {
this.runConformTest(
new String[] {
"X.java",
"public class X <T extends Exception> {\n" +
" String foo() throws T {\n" +
" return \"SUCCESS\";\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" new X<EX>(new EX());\n" +
" }\n" +
" X(final T t) {\n" +
" new Object() {\n" +
" void print() {\n" +
" try {\n" +
" System.out.println(foo());\n" +
" } catch (Exception t) {\n" +
" }\n" +
" }\n" +
" }.print();\n" +
" }\n" +
"}\n" +
"class EX extends Exception {\n" +
"}\n",
},
"SUCCESS");
}
public void test0026() {
this.runConformTest(
new String[] {
"X.java",
"public class X <E extends Exception> {\n" +
" void foo(E e) throws E {\n" +
" throw e;\n" +
" }\n" +
" X(E e) {\n" +
" try {\n" +
" foo(e);\n" +
" } catch(Exception ex) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" new X<Exception>(new Exception());\n" +
" }\n" +
"}\n",
},
"SUCCESS");
}
public void test0027() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.io.IOException;\n" +
"public class X <E extends Exception> {\n" +
" void foo(E e) throws E {\n" +
" throw e;\n" +
" }\n" +
" X(E e) {\n" +
" try {\n" +
" foo(e);\n" +
" } catch(Exception ex) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" new X<IOException>(new Exception());\n" +
" }\n" +
"}\n" ,
},
"----------\n" +
"1. ERROR in X.java (at line 14)\n" +
" new X<IOException>(new Exception());\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"The constructor X<IOException>(Exception) is undefined\n" +
"----------\n");
}
public void test0028() {
this.runConformTest(
new String[] {
"X.java",
"public class X <T> {\n" +
" T t;\n" +
" X(T t) {\n" +
" this.t = t;\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" String s = new X<String>(\"SU\").t;\n" +
" System.out.print(s);\n" +
" s = new X<String>(\"failed\").t = \"CC\";\n" +
" System.out.print(s);\n" +
" s = new X<String>(\"\").t += \"ESS\";\n" +
" System.out.println(s);\n" +
" }\n" +
"}\n",
},
"SUCCESS");
}
public void test0029() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X <T> {\n" +
" T t;\n" +
" X() {\n" +
" }\n" +
" T foo(T a, T b) {\n" +
" T s;\n" +
" s = t = a;\n" +
" s = t += b;\n" +
" return t;\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" System.out.println(new X<String>().foo(\"SUC\", \"CESS\"));\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 8)\n" +
" s = t += b;\n" +
" ^^^^^^\n" +
"The operator += is undefined for the argument type(s) T, T\n" +
"----------\n");
}
public void test0030() {
this.runConformTest(
new String[] {
"X.java",
"public class X <T> {\n" +
" T t;\n" +
" X() {\n" +
" }\n" +
" T foo(T a) {\n" +
" T s;\n" +
" s = t = a;\n" +
" return t;\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" System.out.println(new X<String>().foo(\"SUCCESS\"));\n" +
" }\n" +
"}\n" ,
},
"SUCCESS");
}
public void test0031() {
this.runConformTest(
new String[] {
"X.java",
"public class X <T> {\n" +
" T t;\n" +
" X(T t) {\n" +
" this.t = t;\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" new X<String>(\"OUTER\").bar();\n" +
" }\n" +
" void bar() {\n" +
" new X<String>(\"INNER\") {\n" +
" void run() {\n" +
" \n" +
" new Object() {\n" +
" void run() {\n" +
" String s = t = \"SUC\";\n" +
" s = t+= \"CESS\";\n" +
" System.out.println(t);\n" +
" }\n" +
" }.run();\n" +
" }\n" +
" }.run();\n" +
" }\n" +
"}\n" ,
},
"SUCCESS");
}
public void test0032() {
this.runConformTest(
new String[] {
"X.java",
"public class X <T> {\n" +
" T t;\n" +
" X(T t) {\n" +
" this.t = t;\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" new X<String>(\"OUTER\").bar();\n" +
" }\n" +
" void bar() {\n" +
" new X<String>(\"INNER\") {\n" +
" void run() {\n" +
" String s = t = \"SUC\";\n" +
" s = t+= \"CESS\";\n" +
" System.out.println(t);\n" +
" }\n" +
" }.run();\n" +
" }\n" +
"}\n" ,
},
"SUCCESS");
}
public void test0033() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X <E, T> {\n" +
" void foo(E e){}\n" +
" void foo(T t){}\n" +
"}\n" ,
},
"----------\n" +
"1. ERROR in X.java (at line 2)\n" +
" void foo(E e){}\n" +
" ^^^^^^^^\n" +
"Erasure of method foo(E) is the same as another method in type X<E,T>\n" +
"----------\n" +
"2. ERROR in X.java (at line 3)\n" +
" void foo(T t){}\n" +
" ^^^^^^^^\n" +
"Erasure of method foo(T) is the same as another method in type X<E,T>\n" +
"----------\n");
}
public void test0034() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X <E extends Exception, T extends Exception> {\n" +
" void foo(E e){}\n" +
" void foo(T t){}\n" +
"}\n" ,
},
"----------\n" +
"1. ERROR in X.java (at line 2)\n" +
" void foo(E e){}\n" +
" ^^^^^^^^\n" +
"Erasure of method foo(E) is the same as another method in type X<E,T>\n" +
"----------\n" +
"2. ERROR in X.java (at line 3)\n" +
" void foo(T t){}\n" +
" ^^^^^^^^\n" +
"Erasure of method foo(T) is the same as another method in type X<E,T>\n" +
"----------\n");
}
public void test0035() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X <E extends Exception, T extends Thread> {\n" +
" void foo(E e, Thread t){}\n" +
" void foo(Exception e, T t){}\n" +
"}\n" ,
},
"----------\n" +
"1. ERROR in X.java (at line 2)\n" +
" void foo(E e, Thread t){}\n" +
" ^^^^^^^^^^^^^^^^^^\n" +
"Erasure of method foo(E, Thread) is the same as another method in type X<E,T>\n" +
"----------\n" +
"2. ERROR in X.java (at line 3)\n" +
" void foo(Exception e, T t){}\n" +
" ^^^^^^^^^^^^^^^^^^^^^\n" +
"Erasure of method foo(Exception, T) is the same as another method in type X<E,T>\n" +
"----------\n");
}
public void test0036() {
this.runConformTest(
new String[] {
"X.java",
"public class X <E extends Exception, T extends Thread> {\n" +
" void foo(E e){}\n" +
" void foo(T t){}\n" +
" public static void main(String[] args) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
"}\n" ,
},
"SUCCESS");
}
public void test0037() {
this.runConformTest(
new String[] {
"X.java",
"public class X <E extends Cloneable, T extends Thread & Cloneable> {\n" +
" void foo(E e){}\n" +
" void foo(T t){}\n" +
" public static void main(String[] args) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
"}\n" ,
},
"SUCCESS");
}
public void test0038() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X <E extends Cloneable, T extends Thread & Cloneable> {\n" +
" void foo(E e){}\n" +
" void foo(T t){}\n" +
" public static void main(String[] args) {\n" +
" X<XY,XY> x = new X<XY, XY>();\n" +
" x.foo(new XY());\n" +
" }\n" +
"}\n" +
"class XY extends Thread implements Cloneable {\n" +
"}\n" ,
}, "----------\n" +
"1. ERROR in X.java (at line 6)\n" +
" x.foo(new XY());\n" +
" ^^^\n" +
"The method foo(XY) is ambiguous for the type X<XY,XY>\n" +
"----------\n");
}
public void test0039() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X <E extends Cloneable, T extends Thread> {\n" +
" void foo(L<E> l1){}\n" +
" void foo(L<T> l2){}\n" +
" void foo(L l){}\n" +
"}\n" +
"\n" +
"class L<E> {\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 2)\n" +
" void foo(L<E> l1){}\n" +
" ^^^^^^^^^^^^\n" +
"Erasure of method foo(L<E>) is the same as another method in type X<E,T>\n" +
"----------\n" +
"2. ERROR in X.java (at line 3)\n" +
" void foo(L<T> l2){}\n" +
" ^^^^^^^^^^^^\n" +
"Erasure of method foo(L<T>) is the same as another method in type X<E,T>\n" +
"----------\n" +
"3. ERROR in X.java (at line 4)\n" +
" void foo(L l){}\n" +
" ^^^^^^^^\n" +
"Erasure of method foo(L) is the same as another method in type X<E,T>\n" +
"----------\n" +
"4. WARNING in X.java (at line 4)\n" +
" void foo(L l){}\n" +
" ^\n" +
"L is a raw type. References to generic type L<E> should be parameterized\n" +
"----------\n");
}
public void test0040() {
this.runConformTest(
new String[] {
"X.java",
"public class X <T extends X> {\n" +
" public static void main(String[] args) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" } \n" +
"}\n",
},
"SUCCESS");
}
public void test0041() {
this.runConformTest(
new String[] {
"X.java",
"public class X <T, U extends T> {\n" +
" public static void main(String[] args) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" } \n" +
"}\n",
},
"SUCCESS");
}
// **
public void test0042() {
String[] test = new String[] {
"X.java",
"public class X <T extends U, U> {}"
};
if (this.complianceLevel < ClassFileConstants.JDK1_7) {
this.runNegativeTest(
test,
"----------\n" +
"1. ERROR in X.java (at line 1)\n" +
" public class X <T extends U, U> {}\n" +
" ^\n" +
"Illegal forward reference to type parameter U\n" +
"----------\n");
} else {
this.runConformTest(test, "");
}
}
public void test0043() {
this.runConformTest(
new String[] {
"X.java",
"public class X <T extends L<T> , U extends T> {\n" +
" public static void main(String[] args) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
"}\n" +
"class L<E>{}\n",
},
"SUCCESS");
}
public void test0044() {
this.runConformTest(
new String[] {
"X.java",
"public class X extends L<X> {\n" +
" public static void main(String[] args) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" } \n" +
"}\n" +
"class L<E> {}\n",
},
"SUCCESS");
}
public void test0045() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" public Z<T> var;\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 2)\n" +
" public Z<T> var;\n" +
" ^\n" +
"Z cannot be resolved to a type\n" +
"----------\n" +
"2. ERROR in X.java (at line 2)\n" +
" public Z<T> var;\n" +
" ^\n" +
"T cannot be resolved to a type\n" +
"----------\n");
}
public void test0046() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" public Object<T> var;\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 2)\n" +
" public Object<T> var;\n" +
" ^^^^^^\n" +
"The type Object is not generic; it cannot be parameterized with arguments <T>\n" +
"----------\n" +
"2. ERROR in X.java (at line 2)\n" +
" public Object<T> var;\n" +
" ^\n" +
"T cannot be resolved to a type\n" +
"----------\n");
}
public void test0047() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X <T> {\n" +
" private T t;\n" +
" X(T t) {\n" +
" this.t = t;\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" new X<String>(\"OUTER\").bar();\n" +
" }\n" +
" void bar() {\n" +
" new MX<String>(\"INNER\") {\n" +
" void run() {\n" +
" \n" +
" new Object() {\n" +
" void run() {\n" +
" String s = t = \"SUC\";\n" +
" s = t+= \"CESS\";\n" +
" System.out.println(t);\n" +
" }\n" +
" }.run();\n" +
" }\n" +
" }.run();\n" +
" }\n" +
"}\n" +
"class MX<U> {\n" +
" MX(U u){}\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 15)\n" +
" String s = t = \"SUC\";\n" +
" ^^^^^^^^^\n" +
"Type mismatch: cannot convert from T to String\n" +
"----------\n" +
"2. ERROR in X.java (at line 15)\n" +
" String s = t = \"SUC\";\n" +
" ^^^^^\n" +
"Type mismatch: cannot convert from String to T\n" +
"----------\n" +
"3. ERROR in X.java (at line 16)\n" +
" s = t+= \"CESS\";\n" +
" ^^^^^^^^^^\n" +
"The operator += is undefined for the argument type(s) T, String\n" +
"----------\n");
}
// Access to enclosing 't' of type 'T' (not substituted from X<X> as private thus non inherited)
public void test0048() {
this.runNegativeTest(
// test directory preparation
new String[] { /* test files */
"X.java",
"public class X <T> {\n" +
" private T t;\n" +
" X(T t) {\n" +
" this.t = t;\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" new X<String>(\"OUTER\").bar();\n" +
" }\n" +
" void bar() {\n" +
" new X<X>(this) {\n" +
" void run() {\n" +
" new Object() {\n" +
" void run() {\n" +
" X x = t;\n" +
" System.out.println(x);\n" +
" }\n" +
" }.run();\n" +
" }\n" +
" }.run();\n" +
" }\n" +
"}\n",
},
// compiler results
"----------\n" + /* expected compiler log */
"1. WARNING in X.java (at line 10)\n" +
" new X<X>(this) {\n" +
" ^\n" +
"X is a raw type. References to generic type X<T> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 14)\n" +
" X x = t;\n" +
" ^\n" +
"X is a raw type. References to generic type X<T> should be parameterized\n" +
"----------\n" +
"3. ERROR in X.java (at line 14)\n" +
" X x = t;\n" +
" ^\n" +
"Type mismatch: cannot convert from T to X\n" +
"----------\n",
// javac options
JavacTestOptions.JavacHasABug.JavacBugFixed_6_10 /* javac test options */);
}
public void test0049() {
this.runConformTest(
new String[] {
"X.java",
"public class X <T> {\n" +
" public T t;\n" +
" X(T t) {\n" +
" this.t = t;\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" new X<String>(\"OUTER\").bar();\n" +
" }\n" +
" void bar() {\n" +
" new X<X>(this) {\n" +
" void run() {\n" +
" new Object() {\n" +
" void run() {\n" +
" X x = t;\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
" }.run();\n" +
" }\n" +
" }.run();\n" +
" }\n" +
"}\n",
},
"SUCCESS");
}
public void test0050() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X <T extends N> {\n" +
" static class N {}" +
"}\n" +
"class Y <T extends Y.N> {\n" +
" static class N {}" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 1)\n" +
" public class X <T extends N> {\n" +
" ^\n" +
"N cannot be resolved to a type\n" +
"----------\n");
}
public void test0050a() {
this.runNegativeTest(
new String[] {
"X.java",
"class Super {class M {}}\n" +
"public class X <T extends M> extends Super {}\n" +
"class Y <T extends Y.M> extends Super {}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 2)\n" +
" public class X <T extends M> extends Super {}\n" +
" ^\n" +
"M cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=98504
public void test0050b() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" class M extends Y implements I {}\n" +
"}\n" +
"class Y {\n" +
" static interface I { void foo(); }\n" +
"}\n" +
"interface I {}\n"
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=98504 - variation
public void test0050c() {
this.runConformTest(
new String[] {
"Test.java",
"public class Test<T extends Test.InnerTest> implements Base<T> {\n" +
" static class InnerTest implements Inner {}\n" +
"}\n"+
"interface Base<T> {\n" +
" interface Inner {}\n" +
"}\n"
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=101387
public void test0050d() {
this.runConformTest(
new String[] {
"X.java",
"public class X<I, C extends I> {}\n" +
"class Y extends X<Y.M, Y.N> {\n" +
" static class M {}\n" +
" static class N extends M {}\n" +
"}\n"
},
"");
}
public void test0051() {
this.runConformTest(
new String[] {
"X.java",
"class Super {class M {}}\n" +
"public class X extends Super {\n" +
" class N <T extends M> {}\n" +
" public static void main(String[] args) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
"}\n",
},
"SUCCESS");
}
public void test0052() {
this.runConformTest(
new String[] {
"X.java",
"public class X <T> extends p.A<T> {\n" +
" public static void main(String[] args) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
"}\n",
"p/A.java",
"package p; \n" +
"public class A<P> {\n" +
"}\n",
},
"SUCCESS");
}
public void test0053() {
this.runConformTest(
new String[] {
"X.java",
"public class X <T> extends p.A<T> {\n" +
" protected T t;\n" +
" X(T t) {\n" +
" this.t = t;\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" new X<String>(\"OUTER\").bar();\n" +
" }\n" +
" void bar() {\n" +
" new X<X>(this) {\n" +
" void run() {\n" +
" new Object() {\n" +
" void run() {\n" +
" print(t);\n" +
" }\n" +
" }.run();\n" +
" }\n" +
" }.run();\n" +
" }\n" +
"}\n",
"p/A.java",
"package p; \n" +
"public class A<P> {\n" +
" protected void print(P p) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
"}\n",
},
"SUCCESS");
}
public void test0054() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X <T> extends p.A<T> {\n" +
" protected T t;\n" +
" X(T t) {\n" +
" this.t = t;\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" new X<String>(\"OUTER\").bar();\n" +
" }\n" +
" void bar() {\n" +
" new X<X>(this) {\n" +
" void run() {\n" +
" new Object() {\n" +
" void run() {\n" +
" print(X.this.t);\n" +
" }\n" +
" }.run();\n" +
" }\n" +
" }.run();\n" +
" }\n" +
"}\n",
"p/A.java",
"package p; \n" +
"public class A<P> {\n" +
" protected void print(P p) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 10)\n" +
" new X<X>(this) {\n" +
" ^\n" +
"X is a raw type. References to generic type X<T> should be parameterized\n" +
"----------\n" +
"2. ERROR in X.java (at line 14)\n" +
" print(X.this.t);\n" +
" ^^^^^\n" +
"The method print(X) in the type A<X> is not applicable for the arguments (T)\n" +
"----------\n");
}
public void test0055() {
this.runConformTest(
new String[] {
"X.java",
"public class X <T> extends p.A<T> {\n" +
" protected T t;\n" +
" X(T t) {\n" +
" super(t);\n" +
" this.t = t;\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" X<String> xs = new X<String>(\"SUCCESS\");\n" +
" System.out.println(xs.t);\n" +
" }\n" +
"}\n",
"p/A.java",
"package p; \n" +
"public class A<P> {\n" +
" protected P p;\n" +
" protected A(P p) {\n" +
" this.p = p; \n" +
" } \n" +
" protected void print(P p) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
"}\n",
},
"SUCCESS");
}
public void test0056() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X <T> extends p.A<T> {\n" +
" protected T t;\n" +
" X(T t) {\n" +
" super(t);\n" +
" this.t = t;\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" X<String> xs = new X<String>(\"SUCCESS\");\n" +
" System.out.println((X)xs.t);\n" +
" }\n" +
"}\n",
"p/A.java",
"package p; \n" +
"public class A<P> {\n" +
" protected P p;\n" +
" protected A(P p) {\n" +
" this.p = p; \n" +
" } \n" +
" protected void print(P p) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 9)\n" +
" System.out.println((X)xs.t);\n" +
" ^^^^^^^\n" +
"Cannot cast from String to X\n" +
"----------\n" +
"----------\n" +
"1. WARNING in p\\A.java (at line 7)\n" +
" protected void print(P p) {\n" +
" ^\n" +
"The parameter p is hiding a field from type A<P>\n" +
"----------\n");
}
public void test0057() {
this.runConformTest(
new String[] {
"X.java",
"public class X <T> extends p.A<T> {\n" +
" protected T t;\n" +
" X(T t) {\n" +
" super(t);\n" +
" this.t = t;\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" X<X<String>> xs = new X<X<String>>(new X<String>(\"SUCCESS\"));\n" +
" System.out.println(xs.t.t);\n" +
" }\n" +
"}\n",
"p/A.java",
"package p; \n" +
"public class A<P> {\n" +
" protected P p;\n" +
" protected A(P p) {\n" +
" this.p = p; \n" +
" } \n" +
" protected void print(P p) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
"}\n",
},
"SUCCESS");
}
// JSR14-v10[2.1,2.2]: Valid multiple parameter types
public void test0058() {
this.runConformTest(
new String[] {
"test/X.java",
"package test;\n" +
"// Valid Parameterized Type Declaration\n" +
"public class X<A1, A2, A3> {\n" +
"}\n" +
"// Valid Type Syntax\n" +
"class Y {\n" +
" X<String, Number, Integer> x;\n" +
"}\n"
}
);
}
// JSR14-v10[2.1,2.2]: Invalid multiple parameter types: more declared than referenced
public void test0059() {
this.runNegativeTest(
new String[] {
"test/X.java",
"package test;\n" +
"// Valid Parameterized Type Declaration\n" +
"public class X<A1, A2, A3, A4> {\n" +
"}\n" +
"// Invalid Valid Type Syntax (not enough parameters)\n" +
"class Y {\n" +
" X<String, Number, Integer> x;\n" +
"}\n"
},
"----------\n" +
"1. ERROR in test\\X.java (at line 7)\n" +
" X<String, Number, Integer> x;\n" +
" ^\n" +
"Incorrect number of arguments for type X<A1,A2,A3,A4>; it cannot be parameterized with arguments <String, Number, Integer>\n" +
"----------\n"
);
}
// JSR14-v10[2.1,2.2]: Invalid multiple parameter types: more referenced than declared
public void test0060() {
this.runNegativeTest(
new String[] {
"test/X.java",
"package test;\n" +
"// Valid Parameterized Type Declaration\n" +
"public class X<A1, A2> {\n" +
"}\n" +
"// Invalid Valid Type Syntax (too many parameters)\n" +
"class Y {\n" +
" X<String, Number, Integer> x;\n" +
"}\n"
},
"----------\n" +
"1. ERROR in test\\X.java (at line 7)\n" +
" X<String, Number, Integer> x;\n" +
" ^\n" +
"Incorrect number of arguments for type X<A1,A2>; it cannot be parameterized with arguments <String, Number, Integer>\n" +
"----------\n"
);
}
// JSR14-v10[2.1,2.2]: Invalid multiple parameter types: primitive types
public void test0061() {
this.runNegativeTest(
new String[] {
"test/X.java",
"package test;\n" +
"// Valid Parameterized Type Declaration\n" +
"public class X<A1, A2, A3, A4, A5, A6, A7> {\n" +
"}\n" +
"// Invalid Valid Type Syntax (primitive cannot be parameters)\n" +
"class Y {\n" +
" X<int, short, long, float, double, boolean, char> x;\n" +
"}\n"
},
"----------\n" +
"1. ERROR in test\\X.java (at line 7)\n" +
" X<int, short, long, float, double, boolean, char> x;\n" +
" ^^^\n" +
"Syntax error, insert \"Dimensions\" to complete TypeArgument\n" +
"----------\n" +
"2. ERROR in test\\X.java (at line 7)\n" +
" X<int, short, long, float, double, boolean, char> x;\n" +
" ^^^^^\n" +
"Syntax error, insert \"Dimensions\" to complete TypeArgument\n" +
"----------\n" +
"3. ERROR in test\\X.java (at line 7)\n" +
" X<int, short, long, float, double, boolean, char> x;\n" +
" ^^^^\n" +
"Syntax error, insert \"Dimensions\" to complete TypeArgument\n" +
"----------\n" +
"4. ERROR in test\\X.java (at line 7)\n" +
" X<int, short, long, float, double, boolean, char> x;\n" +
" ^^^^^\n" +
"Syntax error, insert \"Dimensions\" to complete TypeArgument\n" +
"----------\n" +
"5. ERROR in test\\X.java (at line 7)\n" +
" X<int, short, long, float, double, boolean, char> x;\n" +
" ^^^^^^\n" +
"Syntax error, insert \"Dimensions\" to complete TypeArgument\n" +
"----------\n" +
"6. ERROR in test\\X.java (at line 7)\n" +
" X<int, short, long, float, double, boolean, char> x;\n" +
" ^^^^^^^\n" +
"Syntax error, insert \"Dimensions\" to complete TypeArgument\n" +
"----------\n" +
"7. ERROR in test\\X.java (at line 7)\n" +
" X<int, short, long, float, double, boolean, char> x;\n" +
" ^^^^\n" +
"Syntax error, insert \"Dimensions\" to complete ReferenceType\n" +
"----------\n");
}
// JSR14-v10[2.1,2.2]: Valid multiple parameter types: primitive type arrays
public void test0062() {
this.runConformTest(
new String[] {
"test/X.java",
"package test;\n" +
"// Valid Parameterized Type Declaration\n" +
"public class X<A1, A2, A3, A4, A5, A6, A7, A8> {\n" +
"}\n" +
"// Valid Type Syntax\n" +
"class Y {\n" +
" X<int[], short[][], long[][][], float[][][][], double[][][][][], boolean[][][][][][], char[][][][][][][], Object[][][][][][][][][]> x;\n" +
"}\n"
},
""
);
}
public void test0063() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T> extends p.A<T> {\n" +
" \n" +
" X(T t) {\n" +
" super(t);\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" X x = new X(args);\n" +
" X<String> xs = new X<String>(args);\n" +
" }\n" +
"}\n",
"p/A.java",
"package p; \n" +
"public class A<P> {\n" +
" protected P p;\n" +
" protected A(P p) {\n" +
" this.p = p; \n" +
" } \n" +
" protected void print(P p) {\n" +
" System.out.println(\"SUCCESS\"+p);\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 7)\n" +
" X x = new X(args);\n" +
" ^\n" +
"X is a raw type. References to generic type X<T> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 7)\n" +
" X x = new X(args);\n" +
" ^^^^^^^^^^^\n" +
"Type safety: The constructor X(Object) belongs to the raw type X. References to generic type X<T> should be parameterized\n" +
"----------\n" +
"3. WARNING in X.java (at line 7)\n" +
" X x = new X(args);\n" +
" ^\n" +
"X is a raw type. References to generic type X<T> should be parameterized\n" +
"----------\n" +
"4. ERROR in X.java (at line 8)\n" +
" X<String> xs = new X<String>(args);\n" +
" ^^^^^^^^^^^^^^^^^^^\n" +
"The constructor X<String>(String[]) is undefined\n" +
"----------\n" +
"----------\n" +
"1. WARNING in p\\A.java (at line 7)\n" +
" protected void print(P p) {\n" +
" ^\n" +
"The parameter p is hiding a field from type A<P>\n" +
"----------\n");
}
// raw type: variable map to its strict erasure
public void test0064() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T extends Exception & IX> {\n" +
" T t;\n" +
" void bar(T t) {\n" +
" t.getMessage();\n" +
" t.foo();\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" X x = new X();\n" + // raw type
" x.t.getMessage();\n" + // T is strictly exception !
" x.t.foo();\n" +
" }\n" +
"}\n" +
"\n" +
"interface IX {\n" +
" void foo();\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 3)\n" +
" void bar(T t) {\n" +
" ^\n" +
"The parameter t is hiding a field from type X<T>\n" +
"----------\n" +
"2. WARNING in X.java (at line 8)\n" +
" X x = new X();\n" +
" ^\n" +
"X is a raw type. References to generic type X<T> should be parameterized\n" +
"----------\n" +
"3. WARNING in X.java (at line 8)\n" +
" X x = new X();\n" +
" ^\n" +
"X is a raw type. References to generic type X<T> should be parameterized\n" +
"----------\n" +
"4. ERROR in X.java (at line 10)\n" +
" x.t.foo();\n" +
" ^^^\n" +
"The method foo() is undefined for the type Exception\n" +
"----------\n");
}
// raw type: assignments
public void test0065() {
Map customOptions = getCompilerOptions();
this.runNegativeTest(
new String[] {
"X.java",
"import java.io.IOException;\n" +
"\n" +
"public class X<T extends Exception> {\n" +
"\n" +
" public static void main(String[] args) {\n" +
" X x = new X();\n" +
" X<IOException> xioe = new X<IOException>(); // ok\n" +
" \n" +
" X x2 = xioe;\n" +
" X<IOException> xioe2 = x; // unsafe\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 6)\n" +
" X x = new X();\n" +
" ^\n" +
"X is a raw type. References to generic type X<T> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 6)\n" +
" X x = new X();\n" +
" ^\n" +
"X is a raw type. References to generic type X<T> should be parameterized\n" +
"----------\n" +
"3. WARNING in X.java (at line 9)\n" +
" X x2 = xioe;\n" +
" ^\n" +
"X is a raw type. References to generic type X<T> should be parameterized\n" +
"----------\n" +
"4. WARNING in X.java (at line 10)\n" +
" X<IOException> xioe2 = x; // unsafe\n" +
" ^\n" +
"Type safety: The expression of type X needs unchecked conversion to conform to X<IOException>\n" +
"----------\n",
null,
true,
customOptions);
}
// JSR14-v10[2.1,2.2]: Invalid PT declaration (mix with reference)
public void test0066() {
this.runNegativeTest(
new String[] {
"test/X1.java",
"package test;\n" +
"// Valid Consecutive Parameterized Type Declaration\n" +
"public class X1<A1 extends X2<A2>> {\n" +
" A1 a1;\n" +
"}\n" +
"// Valid Parameterized Type Declaration\n" +
"class X2<A2>{\n" +
" A2 a2;\n" +
"}\n"
},
"----------\n" +
"1. ERROR in test\\X1.java (at line 3)\n" +
" public class X1<A1 extends X2<A2>> {\n" +
" ^^\n" +
"A2 cannot be resolved to a type\n" +
"----------\n"
);
}
// JSR14-v10[2.1,2.2]: Invalid PT declaration (mix with reference)
public void test0067() {
this.runNegativeTest(
new String[] {
"test/X1.java",
"package test;\n" +
"// Valid Consecutive Parameterized Type Declaration\n" +
"public class X1< A1 extends X2 < A2 > > {\n" +
" A1 a1;\n" +
"}\n" +
"// Valid Parameterized Type Declaration\n" +
"class X2<A2>{\n" +
" A2 a2;\n" +
"}\n"
},
"----------\n" +
"1. ERROR in test\\X1.java (at line 3)\n" +
" public class X1< A1 extends X2 < A2 > > {\n" +
" ^^\n" +
"A2 cannot be resolved to a type\n" +
"----------\n"
);
}
// JSR14-V10[2.4]: Not terminated consecutive declaration
// TODO (david) diagnosis message on error 3 sounds strange, doesn't it?
public void _test0068() {
this.runNegativeTest(
new String[] {
"test/X1.java",
"package test;\n" +
"// Invalid Consecutive Parameterized Type Declaration\n" +
"public class X1<A1 extends X2<A2> {\n" +
" A1 a1;\n" +
"}\n" +
"// Invalid Parameterized Type Declaration\n" +
"class X2<A2 {\n" +
" A2 a2;\n" +
"}\n"
},
"----------\n" +
"1. ERROR in test\\X1.java (at line 3)\n" +
" public class X1<A1 extends X2<A2> {\n" +
" ^^\n" +
"A2 cannot be resolved to a type\n" +
"----------\n" +
"2. ERROR in test\\X1.java (at line 3)\n" +
" public class X1<A1 extends X2<A2> {\n" +
" ^\n" +
"Syntax error, insert \">\" to complete ReferenceType1\n" +
"----------\n" +
"3. ERROR in test\\X1.java (at line 7)\n" +
" class X2<A2 {\n" +
" ^^\n" +
"Syntax error on token \"A2\", > expected after this token\n" +
"----------\n"
);
}
// JSR14-V10[2.4]: Not terminated consecutive declaration
public void test0069() {
this.runNegativeTest(
new String[] {
"test/X1.java",
"package test;\n" +
"// Invalid Consecutive Parameterized Type Declaration\n" +
"public class X1<A1 extends X2<A2 {\n" +
" A1 a1;\n" +
"}\n" +
"// Invalid Parameterized Type Declaration\n" +
"class X2<A2> {\n" +
" A2 a2;\n" +
"}\n"
},
"----------\n" +
"1. ERROR in test\\X1.java (at line 3)\n" +
" public class X1<A1 extends X2<A2 {\n" +
" ^^\n" +
"Syntax error, insert \">>\" to complete ReferenceType2\n" +
"----------\n"
);
}
// JSR14-v10[2.4]: Unexpected consecutive PT declaration (right-shift symbol)
// TODO (david) surround expected token with (double-)quotes
public void test0070() {
this.runNegativeTest(
new String[] {
"test/X1.java",
"package test;\n" +
"// Invalid Consecutive Parameterized Type Declaration\n" +
"public class X1<A1>> {\n" +
" A1 a1;\n" +
"}\n"
},
"----------\n" +
"1. ERROR in test\\X1.java (at line 3)\n" +
" public class X1<A1>> {\n" +
" ^^\n" +
"Syntax error on token \">>\", > expected\n" +
"----------\n"
);
}
// JSR14-v10[2.1,2.2]: Unexpected consecutive PT declaration (with spaces)
public void test0071() {
this.runNegativeTest(
new String[] {
"test/X1.java",
"package test;\n" +
"// Invalid Consecutive Parameterized Type Declaration\n" +
"public class X1 < A1 > > {\n" +
" A1 a1;\n" +
"}\n"
},
"----------\n" +
"1. ERROR in test\\X1.java (at line 3)\n" +
" public class X1 < A1 > > {\n" +
" ^\n" +
"Syntax error on token \">\", delete this token\n" +
"----------\n"
);
}
// JSR14-v10[2.4]: Unexpected consecutive PT declaration (unary right-shift symbol)
// TODO (david) surround expected token with (double-)quotes
public void test0072() {
this.runNegativeTest(
new String[] {
"test/X1.java",
"package test;\n" +
"// Invalid Consecutive Parameterized Type Declaration\n" +
"public class X1<A1>>> {\n" +
" A1 a1;\n" +
"}\n"
},
"----------\n" +
"1. ERROR in test\\X1.java (at line 3)\n" +
" public class X1<A1>>> {\n" +
" ^^^\n" +
"Syntax error on token \">>>\", > expected\n" +
"----------\n"
);
}
// JSR14-v10[2.4]: Unexpected consecutive PT declaration (right-shift symbol)
// TODO (david) surround expected token with (double-)quotes
public void test0073() {
this.runNegativeTest(
new String[] {
"test/X1.java",
"package test;\n" +
"// Invalid Consecutive Parameterized Type Declaration\n" +
"public class X1<A1 extends X2<A1>>> {\n" +
" A1 a1;\n" +
"}\n" +
"// Valid Parameterized Type Declaration\n" +
"class X2<A2> {\n" +
" A2 a2;\n" +
"}\n"
},
"----------\n" +
"1. ERROR in test\\X1.java (at line 3)\n" +
" public class X1<A1 extends X2<A1>>> {\n" +
" ^^^\n" +
"Syntax error on token \">>>\", >> expected\n" +
"----------\n"
);
}
// JSR14-v10[2.1,2.2]: Unexpected consecutive PT declaration (with spaces)
public void test0074() {
this.runNegativeTest(
new String[] {
"test/X1.java",
"package test;\n" +
"// Invalid Consecutive Parameterized Type Declaration\n" +
"public class X1 < A1 > > > {\n" +
" A1 a1;\n" +
"}\n"
},
"----------\n" +
"1. ERROR in test\\X1.java (at line 3)\n" +
" public class X1 < A1 > > > {\n" +
" ^^^\n" +
"Syntax error on tokens, delete these tokens\n" +
"----------\n"
);
}
// A is not an interface
public void test0075() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X <T extends Object & p.A<? super T>> extends p.A<T> {\n" +
" protected T t;\n" +
" X(T t) {\n" +
" super(t);\n" +
" this.t = t;\n" +
" }\n" +
"}",
"p/A.java",
"package p;\n" +
"public class A<P> {\n" +
" protected P p;\n" +
" protected A(P p) {\n" +
" this.p = p;\n" +
" }\n" +
"}"
},
"----------\n" +
"1. ERROR in X.java (at line 1)\n" +
" public class X <T extends Object & p.A<? super T>> extends p.A<T> {\n" +
" ^^^\n" +
"The type A<? super T> is not an interface; it cannot be specified as a bounded parameter\n" +
"----------\n"
);
}
// A is not an interface
public void test0076() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X <T extends Object & p.A> extends p.A<T> {\n" +
" protected T t;\n" +
" X(T t) {\n" +
" super(t);\n" +
" this.t = t;\n" +
" }\n" +
"}",
"p/A.java",
"package p;\n" +
"public class A<P> {\n" +
" protected P p;\n" +
" protected A(P p) {\n" +
" this.p = p;\n" +
" }\n" +
"}"
},
"----------\n" +
"1. WARNING in X.java (at line 1)\n" +
" public class X <T extends Object & p.A> extends p.A<T> {\n" +
" ^^^\n" +
"A is a raw type. References to generic type A<P> should be parameterized\n" +
"----------\n" +
"2. ERROR in X.java (at line 1)\n" +
" public class X <T extends Object & p.A> extends p.A<T> {\n" +
" ^^^\n" +
"The type A is not an interface; it cannot be specified as a bounded parameter\n" +
"----------\n"
);
}
// unsafe type operation: only for constructors with signature change
public void test0077() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T> extends p.A<T> {\n" +
" X() {\n" +
" super(null);\n" +
" }\n"+
" X(T t) {\n" +
" super(t);\n" +
" }\n" +
" X(X<T> xt) {\n" +
" super(xt.t);\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" X x = new X();\n" +
" X x1 = new X(args);\n" +
" X x2 = new X(x);\n" +
" X<String> xs = new X<String>(args);\n" +
" }\n" +
"}\n",
"p/A.java",
"package p;\n" +
"public class A<P> {\n" +
" protected P p;\n" +
" protected A(P p) {\n" +
" this.p = p;\n" +
" }\n" +
"}"
},
"----------\n" +
"1. ERROR in X.java (at line 9)\n" +
" super(xt.t);\n" +
" ^\n" +
"t cannot be resolved or is not a field\n" +
"----------\n" +
"2. WARNING in X.java (at line 12)\n" +
" X x = new X();\n" +
" ^\n" +
"X is a raw type. References to generic type X<T> should be parameterized\n" +
"----------\n" +
"3. WARNING in X.java (at line 12)\n" +
" X x = new X();\n" +
" ^\n" +
"X is a raw type. References to generic type X<T> should be parameterized\n" +
"----------\n" +
"4. WARNING in X.java (at line 13)\n" +
" X x1 = new X(args);\n" +
" ^\n" +
"X is a raw type. References to generic type X<T> should be parameterized\n" +
"----------\n" +
"5. WARNING in X.java (at line 13)\n" +
" X x1 = new X(args);\n" +
" ^^^^^^^^^^^\n" +
"Type safety: The constructor X(Object) belongs to the raw type X. References to generic type X<T> should be parameterized\n" +
"----------\n" +
"6. WARNING in X.java (at line 13)\n" +
" X x1 = new X(args);\n" +
" ^\n" +
"X is a raw type. References to generic type X<T> should be parameterized\n" +
"----------\n" +
"7. WARNING in X.java (at line 14)\n" +
" X x2 = new X(x);\n" +
" ^\n" +
"X is a raw type. References to generic type X<T> should be parameterized\n" +
"----------\n" +
"8. WARNING in X.java (at line 14)\n" +
" X x2 = new X(x);\n" +
" ^^^^^^^^\n" +
"Type safety: The constructor X(X) belongs to the raw type X. References to generic type X<T> should be parameterized\n" +
"----------\n" +
"9. WARNING in X.java (at line 14)\n" +
" X x2 = new X(x);\n" +
" ^\n" +
"X is a raw type. References to generic type X<T> should be parameterized\n" +
"----------\n" +
"10. ERROR in X.java (at line 15)\n" +
" X<String> xs = new X<String>(args);\n" +
" ^^^^^^^^^^^^^^^^^^^\n" +
"The constructor X<String>(String[]) is undefined\n" +
"----------\n");
}
public void test0078() {
this.runNegativeTest(
new String[] {
"X.java",
"import p.A;\n" +
"public class X {\n" +
" X(A<String> a, A<String> b) {\n" +
" }\n" +
" void foo(A<String> a) {\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" X x = new X((A)null, (A)null);\n" +
" A a = new A((A)null);\n" +
" x.foo(a);\n" +
" a.print(x);\n" +
" A<String> as = new A<String>(null);\n" +
" as.print(\"hello\");\n" +
" }\n" +
"}\n",
"p/A.java",
"package p;\n" +
"public class A<P> {\n" +
" protected P p;\n" +
" protected A(P p) {\n" +
" this.p = p;\n" +
" }\n" +
" protected void print(P p) {\n" +
" System.out.println(\"SUCCESS\"+p);\n" +
" }\n" +
" protected void print(A<P> a) {\n" +
" print(a.p);\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 8)\n" +
" X x = new X((A)null, (A)null);\n" +
" ^^^^^^^\n" +
"Type safety: The expression of type A needs unchecked conversion to conform to A<String>\n" +
"----------\n" +
"2. WARNING in X.java (at line 8)\n" +
" X x = new X((A)null, (A)null);\n" +
" ^\n" +
"A is a raw type. References to generic type A<P> should be parameterized\n" +
"----------\n" +
"3. WARNING in X.java (at line 8)\n" +
" X x = new X((A)null, (A)null);\n" +
" ^^^^^^^\n" +
"Type safety: The expression of type A needs unchecked conversion to conform to A<String>\n" +
"----------\n" +
"4. WARNING in X.java (at line 8)\n" +
" X x = new X((A)null, (A)null);\n" +
" ^\n" +
"A is a raw type. References to generic type A<P> should be parameterized\n" +
"----------\n" +
"5. WARNING in X.java (at line 9)\n" +
" A a = new A((A)null);\n" +
" ^\n" +
"A is a raw type. References to generic type A<P> should be parameterized\n" +
"----------\n" +
"6. ERROR in X.java (at line 9)\n" +
" A a = new A((A)null);\n" +
" ^^^^^^^^^^^^^^\n" +
"The constructor A(P) is not visible\n" +
"----------\n" +
"7. WARNING in X.java (at line 9)\n" +
" A a = new A((A)null);\n" +
" ^\n" +
"A is a raw type. References to generic type A<P> should be parameterized\n" +
"----------\n" +
"8. WARNING in X.java (at line 9)\n" +
" A a = new A((A)null);\n" +
" ^\n" +
"A is a raw type. References to generic type A<P> should be parameterized\n" +
"----------\n" +
"9. WARNING in X.java (at line 10)\n" +
" x.foo(a);\n" +
" ^\n" +
"Type safety: The expression of type A needs unchecked conversion to conform to A<String>\n" +
"----------\n" +
"10. ERROR in X.java (at line 11)\n" +
" a.print(x);\n" +
" ^^^^^\n" +
"The method print(P) from the type A is not visible\n" +
"----------\n" +
"11. ERROR in X.java (at line 12)\n" +
" A<String> as = new A<String>(null);\n" +
" ^^^^^^^^^^^^^^^^^^^\n" +
"The constructor A<String>(P) is not visible\n" +
"----------\n" +
"12. ERROR in X.java (at line 13)\n" +
" as.print(\"hello\");\n" +
" ^^^^^\n" +
"The method print(P) from the type A<String> is not visible\n" +
"----------\n" +
"----------\n" +
"1. WARNING in p\\A.java (at line 7)\n" +
" protected void print(P p) {\n" +
" ^\n" +
"The parameter p is hiding a field from type A<P>\n" +
"----------\n");
}
// JSR14-v10[2.4]: Valid consecutive Type Parameters Brackets
public void test0079() {
this.runConformTest(
new String[] {
"test/X.java",
"package test;\n" +
"public class X<A extends X1<X2<X3<String>>>> {\n" +
" A a;\n" +
" public static void main(String[] args) {\n" +
" X<X1<X2<X3<String>>>> x = new X<X1<X2<X3<String>>>>();\n" +
" x.a = new X1<X2<X3<String>>>();\n" +
" x.a.a1 = new X2<X3<String>>();\n" +
" x.a.a1.a2 = new X3<String>();\n" +
" x.a.a1.a2.a3 = \"SUCCESS\";\n" +
" System.out.println(x.a.a1.a2.a3);\n" +
" }\n" +
"}\n" +
"class X1<A extends X2<X3<String>>> {\n" +
" A a1;\n" +
"}\n" +
"class X2<A extends X3<String>> {\n" +
" A a2;\n" +
"}\n" +
"class X3<A> {\n" +
" A a3;\n" +
"}\n"
},
"SUCCESS"
);
}
// TODO (david) remove errors: insert dimension to complete array type
public void _test0080() {
this.runNegativeTest(
new String[] {
"test/X.java",
"package test;\n" +
"public class X<A extends X1<X2<X3<String>>> {}\n" +
"class X1<A extends X2<X3<String>> {}\n" +
"class X2<A extends X3<String> {}\n" +
"class X3<A {}\n"
},
"----------\n" +
"1. ERROR in test\\X.java (at line 2)\n" +
" public class X<A extends X1<X2<X3<String>>> {}\n" +
" ^^^\n" +
"Syntax error, insert \">\" to complete ReferenceType1\n" +
"----------\n" +
"2. ERROR in test\\X.java (at line 3)\n" +
" class X1<A extends X2<X3<String>> {}\n" +
" ^^\n" +
"Syntax error, insert \">\" to complete ReferenceType1\n" +
"----------\n" +
"3. ERROR in test\\X.java (at line 4)\n" +
" class X2<A extends X3<String> {}\n" +
" ^\n" +
"Syntax error, insert \">\" to complete ReferenceType1\n" +
"----------\n" +
"4. ERROR in test\\X.java (at line 5)\n" +
" class X3<A {}\n" +
" ^\n" +
"Syntax error on token \"A\", > expected after this token\n" +
"----------\n"
);
}
// TODO (david) remove errors: insert dimension to complete array type
public void test0081() {
this.runNegativeTest(
new String[] {
"test/X.java",
"package test;\n" +
"public class X<A extends X1<X2<X3<String>> {}\n" +
"class X1<A extends X2<X3<String> {}\n" +
"class X2<A extends X3<String {}\n" +
"class X3<A> {}\n"
},
"----------\n" +
"1. ERROR in test\\X.java (at line 2)\n" +
" public class X<A extends X1<X2<X3<String>> {}\n" +
" ^^\n" +
"Syntax error, insert \">>\" to complete ReferenceType2\n" +
"----------\n" +
"2. ERROR in test\\X.java (at line 3)\n" +
" class X1<A extends X2<X3<String> {}\n" +
" ^\n" +
"Syntax error, insert \">>\" to complete ReferenceType2\n" +
"----------\n" +
"3. ERROR in test\\X.java (at line 4)\n" +
" class X2<A extends X3<String {}\n" +
" ^^^^^^\n" +
"Syntax error, insert \">>\" to complete ReferenceType2\n" +
"----------\n"
);
}
// TODO (david) remove error: insert dimension to complete array type
public void test0082() {
this.runNegativeTest(
new String[] {
"test/X.java",
"package test;\n" +
"public class X<A extends X1<X2<X3<String> {}\n" +
"class X1<A extends X2<X3<String {}\n" +
"class X2<A extends X3<String>> {}\n" +
"class X3<A> {}\n"
},
"----------\n" +
"1. ERROR in test\\X.java (at line 2)\n" +
" public class X<A extends X1<X2<X3<String> {}\n" +
" ^\n" +
"Syntax error, insert \">>>\" to complete ReferenceType3\n" +
"----------\n" +
"2. ERROR in test\\X.java (at line 3)\n" +
" class X1<A extends X2<X3<String {}\n" +
" ^^^^^^\n" +
"Syntax error, insert \">>>\" to complete ReferenceType3\n" +
"----------\n"
);
}
// TODO (david) remove error: insert dimension to complete array type
public void _test0083() {
this.runNegativeTest(
new String[] {
"test/X.java",
"package test;\n" +
"public class X<A extends X1<X2<X3<String {}\n" +
"class X1<A extends X2<X3<String>>> {}\n" +
"class X2<A extends X3<String>> {}\n" +
"class X3<A> {}\n"
},
"----------\n" +
"1. ERROR in test\\X.java (at line 2)\n" +
" public class X<A extends X1<X2<X3<String {}\n" +
" ^^^^^^\n" +
"Syntax error, insert \">>>\" to complete ReferenceType3\n" +
"----------\n" +
"2. ERROR in test\\X.java (at line 2)\n" +
" public class X<A extends X1<X2<X3<String {}\n" +
" ^^^^^^\n" +
"Syntax error, insert \">\" to complete ReferenceType1\n" +
"----------\n");
}
public void test0084() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" X(AX<String> a, AX<String> b) {\n" +
" }\n" +
" void foo(AX<String> a) {\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" X x = new X((AX)null, (AX)null);\n" +
" AX a = new AX((AX)null);\n" +
" AX a2 = new AX(null);\n" +
" x.foo(a);\n" +
" a.foo(a);\n" +
" a.bar(a);\n" +
" AX<String> as = new AX<String>(null);\n" +
" as.print(a);\n" +
" as.bar(a);\n" +
" }\n" +
"}\n" +
"class AX <P> {\n" +
" AX(AX<P> ax){}\n" +
" AX(P p){}\n" +
" void print(P p){}\n" +
" void foo(AX rawAx){}\n" +
" void bar(AX<P> ax){}\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 7)\n" +
" X x = new X((AX)null, (AX)null);\n" +
" ^^^^^^^^\n" +
"Type safety: The expression of type AX needs unchecked conversion to conform to AX<String>\n" +
"----------\n" +
"2. WARNING in X.java (at line 7)\n" +
" X x = new X((AX)null, (AX)null);\n" +
" ^^\n" +
"AX is a raw type. References to generic type AX<P> should be parameterized\n" +
"----------\n" +
"3. WARNING in X.java (at line 7)\n" +
" X x = new X((AX)null, (AX)null);\n" +
" ^^^^^^^^\n" +
"Type safety: The expression of type AX needs unchecked conversion to conform to AX<String>\n" +
"----------\n" +
"4. WARNING in X.java (at line 7)\n" +
" X x = new X((AX)null, (AX)null);\n" +
" ^^\n" +
"AX is a raw type. References to generic type AX<P> should be parameterized\n" +
"----------\n" +
"5. WARNING in X.java (at line 8)\n" +
" AX a = new AX((AX)null);\n" +
" ^^\n" +
"AX is a raw type. References to generic type AX<P> should be parameterized\n" +
"----------\n" +
"6. WARNING in X.java (at line 8)\n" +
" AX a = new AX((AX)null);\n" +
" ^^^^^^^^^^^^^^^^\n" +
"Type safety: The constructor AX(AX) belongs to the raw type AX. References to generic type AX<P> should be parameterized\n" +
"----------\n" +
"7. WARNING in X.java (at line 8)\n" +
" AX a = new AX((AX)null);\n" +
" ^^\n" +
"AX is a raw type. References to generic type AX<P> should be parameterized\n" +
"----------\n" +
"8. WARNING in X.java (at line 8)\n" +
" AX a = new AX((AX)null);\n" +
" ^^\n" +
"AX is a raw type. References to generic type AX<P> should be parameterized\n" +
"----------\n" +
"9. WARNING in X.java (at line 9)\n" +
" AX a2 = new AX(null);\n" +
" ^^\n" +
"AX is a raw type. References to generic type AX<P> should be parameterized\n" +
"----------\n" +
"10. WARNING in X.java (at line 9)\n" +
" AX a2 = new AX(null);\n" +
" ^^^^^^^^^^^^\n" +
"Type safety: The constructor AX(AX) belongs to the raw type AX. References to generic type AX<P> should be parameterized\n" +
"----------\n" +
"11. WARNING in X.java (at line 9)\n" +
" AX a2 = new AX(null);\n" +
" ^^\n" +
"AX is a raw type. References to generic type AX<P> should be parameterized\n" +
"----------\n" +
"12. WARNING in X.java (at line 10)\n" +
" x.foo(a);\n" +
" ^\n" +
"Type safety: The expression of type AX needs unchecked conversion to conform to AX<String>\n" +
"----------\n" +
"13. WARNING in X.java (at line 12)\n" +
" a.bar(a);\n" +
" ^^^^^^^^\n" +
"Type safety: The method bar(AX) belongs to the raw type AX. References to generic type AX<P> should be parameterized\n" +
"----------\n" +
"14. ERROR in X.java (at line 13)\n" +
" AX<String> as = new AX<String>(null);\n" +
" ^^^^^^^^^^^^^^^^^^^^\n" +
"The constructor AX<String>(AX<String>) is ambiguous\n" +
"----------\n" +
"15. ERROR in X.java (at line 14)\n" +
" as.print(a);\n" +
" ^^^^^\n" +
"The method print(String) in the type AX<String> is not applicable for the arguments (AX)\n" +
"----------\n" +
"16. WARNING in X.java (at line 15)\n" +
" as.bar(a);\n" +
" ^\n" +
"Type safety: The expression of type AX needs unchecked conversion to conform to AX<String>\n" +
"----------\n" +
"17. WARNING in X.java (at line 22)\n" +
" void foo(AX rawAx){}\n" +
" ^^\n" +
"AX is a raw type. References to generic type AX<P> should be parameterized\n" +
"----------\n");
}
public void test0085() {
this.runConformTest(
new String[] {
"X.java",
"public class X<T> {\n" +
" \n" +
" public static void main(String[] args) {\n" +
" AX ax = new AX();\n" +
" X x = (X)ax.p;\n" +
" System.out.println(x);\n" +
" }\n" +
"}\n" +
"\n" +
"class AX <P> {\n" +
" \n" +
" P p;\n" +
"}\n",
},
"null");
}
public void test0086() {
Map customOptions = getCompilerOptions();
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T> {\n" +
" \n" +
" public static void main(String[] args) {\n" +
" AX ax = new AX();\n" +
" AX ax2 = ax.p;\n" +
" ax.p = new AX<String>();\n" +
" System.out.println(ax2);\n" +
" }\n" +
"}\n" +
"\n" +
"class AX <P> {\n" +
" AX<P> p;\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 4)\n" +
" AX ax = new AX();\n" +
" ^^\n" +
"AX is a raw type. References to generic type AX<P> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 4)\n" +
" AX ax = new AX();\n" +
" ^^\n" +
"AX is a raw type. References to generic type AX<P> should be parameterized\n" +
"----------\n" +
"3. WARNING in X.java (at line 5)\n" +
" AX ax2 = ax.p;\n" +
" ^^\n" +
"AX is a raw type. References to generic type AX<P> should be parameterized\n" +
"----------\n" +
"4. WARNING in X.java (at line 6)\n" +
" ax.p = new AX<String>();\n" +
" ^\n" +
"Type safety: The field p from the raw type AX is assigned a value of type AX<String>. References to generic type AX<P> should be parameterized\n" +
"----------\n",
null,
true,
customOptions);
}
public void test0087() {
Map customOptions = getCompilerOptions();
// check no unsafe type operation problem is issued
customOptions.put(CompilerOptions.OPTION_ReportUncheckedTypeOperation, CompilerOptions.ERROR);
customOptions.put(CompilerOptions.OPTION_ReportRawTypeReference, CompilerOptions.IGNORE);
this.runConformTest(
new String[] {
"X.java",
"public class X<T> {\n" +
" \n" +
" public static void main(String[] args) {\n" +
" AX ax = new AX();\n" +
" AX ax2 = ax.p;\n" +
" AX ax3 = new AX<String>();\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
"}\n" +
"\n" +
"class AX <P> {\n" +
" AX<P> p;\n" +
"}\n",
},
"SUCCESS",
null,
true,
null,
customOptions,
null/*no custom requestor*/);
}
public void test0088() {
Map customOptions = getCompilerOptions();
// check no unsafe type operation problem is issued
customOptions.put(CompilerOptions.OPTION_ReportUncheckedTypeOperation, CompilerOptions.ERROR);
customOptions.put(CompilerOptions.OPTION_ReportRawTypeReference, CompilerOptions.IGNORE);
this.runConformTest(
new String[] {
"X.java",
"public class X<T> {\n" +
" AX ax = new AX();\n" +
" AX ax2 = ax.p;\n" +
" AX ax3 = new AX<String>();\n" +
"}\n" +
"\n" +
"class AX <P> {\n" +
" AX<P> p;\n" +
"}\n",
},
"",
null,
true,
null,
customOptions,
null/*no custom requestor*/);
}
public void test0089() {
this.runConformTest(
new String[] {
"X.java",
"public class X<T> {\n" +
" T q;\n" +
" public static void main(String[] args) {\n" +
" X<String[]> xss = new X<String[]>();\n" +
" X<X<String[]>> xxs = new X<X<String[]>>();\n" +
" xxs.q = xss;\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
"}\n",
},
"SUCCESS");
}
public void test0090() {
Map customOptions = getCompilerOptions();
// check no unsafe type operation problem is issued
customOptions.put(CompilerOptions.OPTION_ReportUncheckedTypeOperation, CompilerOptions.ERROR);
this.runConformTest(
new String[] {
"X.java",
"public class X<T> {\n" +
" T q;\n" +
" \n" +
" public static void main(String[] args) {\n" +
" X<String[]> xss = new X<String[]>();\n" +
" X<X<String[]>> xxs = new X<X<String[]>>();\n" +
" xxs.q = xss;\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
" void foo(X[] xs) {\n" +
" xs[0] = new X<String>();\n" +
" }\n" +
"}\n",
},
"SUCCESS",
null,
true,
null,
customOptions,
null/*no custom requestor*/);
}
public void test0091() {
this.runConformTest(
new String[] {
"X.java",
"public class X<T> {\n" +
" void foo(X<String>[] xs) {\n" +
" }\n" +
"}\n",
},
"");
}
public void test0092() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T> {\n" +
" T t;\n" +
" X(T t) {\n" +
" this.t = t;\n" +
" }\n" +
" void foo() {\n" +
" X<String> xs = new X<String>(\"\");\n" +
" X<String> xs2 = (X<String>) xs;\n" +
" \n" +
" ((X)xs).t = this;\n" +
" \n" +
" System.out.prinln((T) this.t);\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" new X<String>(\"SUCCESS\").foo();\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 8)\n" +
" X<String> xs2 = (X<String>) xs;\n" +
" ^^^^^^^^^^^^^^\n" +
"Unnecessary cast from X<String> to X<String>\n" +
"----------\n" +
"2. WARNING in X.java (at line 10)\n" +
" ((X)xs).t = this;\n" +
" ^\n" +
"X is a raw type. References to generic type X<T> should be parameterized\n" +
"----------\n" +
"3. WARNING in X.java (at line 10)\n" +
" ((X)xs).t = this;\n" +
" ^\n" +
"Type safety: The field t from the raw type X is assigned a value of type X<T>. References to generic type X<T> should be parameterized\n" +
"----------\n" +
"4. ERROR in X.java (at line 12)\n" +
" System.out.prinln((T) this.t);\n" +
" ^^^^^^\n" +
"The method prinln(T) is undefined for the type PrintStream\n" +
"----------\n");
}
// **
public void test0093() {
this.runConformTest(
new String[] {
"X.java",
"public class X<T> {\n" +
" public static void main(String[] args) {\n" +
" AX ax = new AX();\n" +
" AX ax2 = new AX();\n" +
" ax.p = ax2.p;\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
"}\n" +
"class AX <P> {\n" +
" AX<P> p;\n" +
"}\n",
},
"SUCCESS");
}
// same as test001, but every type is now a SourceTypeBinding
public void test0094() {
this.runConformTest(
new String[] {
"X.java",
"public class X<Tx1 extends S, Tx2 extends C> extends XS<Tx2> {\n" +
"\n" +
" public static void main(String[] args) {\n" +
" I w = new X<S,I>().get(new I());\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
"}\n" +
"class S {}\n" +
"class I implements C<I> {}\n" +
"interface C<Tc> {}\n" +
"class XS <Txs> {\n" +
" Txs get(Txs t) {\n" +
" return t;\n" +
" }\n" +
"}\n"
},
"SUCCESS");
}
public void test0095() {
this.runConformTest(
new String[] {
"X.java",
"public class X<Tx1 extends S, Tx2 extends C> extends XS<Tx2> {\n" +
"\n" +
" public static void main(String[] args) {\n" +
" I w = new X<S,I>().get(new I());\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
"}\n" +
"class S {}\n" +
"class I implements C {}\n" +
"interface C<Tc> {}\n" +
"class XS <Txs> {\n" +
" Txs get(Txs t) {\n" +
" return t;\n" +
" }\n" +
"}\n"
},
"SUCCESS");
}
public void test0096() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T> extends X {}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 1)\n" +
" public class X<T> extends X {}\n" +
" ^\n" +
"Cycle detected: the type X<T> cannot extend/implement itself or one of its own member types\n" +
"----------\n");
}
public void test0097() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T> extends X<String> {}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 1)\n" +
" public class X<T> extends X<String> {}\n" +
" ^\n" +
"Cycle detected: the type X<T> cannot extend/implement itself or one of its own member types\n" +
"----------\n");
}
public void test0098() {
Map customOptions = getCompilerOptions();
customOptions.put(CompilerOptions.OPTION_ReportUncheckedTypeOperation, CompilerOptions.ERROR);
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T> {\n" +
" \n" +
" public static void main(String[] args) {\n" +
" AX ax = new AX();\n" +
" AX ax2 = ax.p;\n" +
" ax.p = new AX<String>();\n" +
" ax.q = new AX<String>();\n" +
" ax.r = new AX<Object>();\n" +
" ax.s = new AX<String>();\n" +
" System.out.println(ax2);\n" +
" }\n" +
"}\n" +
"\n" +
"class AX <P> {\n" +
" AX<P> p;\n" +
" AX<Object> q;\n" +
" AX<String> r;\n" +
" BX<String> s;\n" +
"}\n" +
"\n" +
"class BX<Q> {\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 4)\n" +
" AX ax = new AX();\n" +
" ^^\n" +
"AX is a raw type. References to generic type AX<P> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 4)\n" +
" AX ax = new AX();\n" +
" ^^\n" +
"AX is a raw type. References to generic type AX<P> should be parameterized\n" +
"----------\n" +
"3. WARNING in X.java (at line 5)\n" +
" AX ax2 = ax.p;\n" +
" ^^\n" +
"AX is a raw type. References to generic type AX<P> should be parameterized\n" +
"----------\n" +
"4. ERROR in X.java (at line 6)\n" +
" ax.p = new AX<String>();\n" +
" ^\n" +
"Type safety: The field p from the raw type AX is assigned a value of type AX<String>. References to generic type AX<P> should be parameterized\n" +
"----------\n" +
"5. ERROR in X.java (at line 7)\n" +
" ax.q = new AX<String>();\n" +
" ^\n" +
"Type safety: The field q from the raw type AX is assigned a value of type AX<String>. References to generic type AX<P> should be parameterized\n" +
"----------\n" +
"6. ERROR in X.java (at line 8)\n" +
" ax.r = new AX<Object>();\n" +
" ^\n" +
"Type safety: The field r from the raw type AX is assigned a value of type AX<Object>. References to generic type AX<P> should be parameterized\n" +
"----------\n" +
"7. ERROR in X.java (at line 9)\n" +
" ax.s = new AX<String>();\n" +
" ^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from AX<String> to BX\n" +
"----------\n",
null,
true,
customOptions);
}
// wildcard bound cannot be base type
// TODO (david) only syntax error should be related to wilcard bound being a base type. Ripple effect is severe here.
public void test0099() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X <T extends AX<? super int>> {\n" +
" public static void main(String[] args) {\n" +
" AX<String> ax;\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
" void foo(X<?> x) {\n" +
" }\n" +
"}\n" +
"\n" +
"class AX<P> {\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 1)\n" +
" public class X <T extends AX<? super int>> {\n" +
" ^^^\n" +
"Syntax error, insert \"Dimensions\" to complete ArrayType\n" +
"----------\n"
);
}
// type parameterized with wildcard cannot appear in allocation
public void test0100() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X <T> {\n" +
" T t;\n" +
" X(T t){\n" +
" this.t = t;\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" X<? extends AX> x = new X<? extends AX>(new AX<String>());\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
"}\n" +
"\n" +
"class AX<P> {\n" +
" P foo() { return null; }\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 7)\n" +
" X<? extends AX> x = new X<? extends AX>(new AX<String>());\n" +
" ^^\n" +
"AX is a raw type. References to generic type AX<P> should be parameterized\n" +
"----------\n" +
"2. ERROR in X.java (at line 7)\n" +
" X<? extends AX> x = new X<? extends AX>(new AX<String>());\n" +
" ^\n" +
"Cannot instantiate the type X<? extends AX>\n" +
"----------\n" +
"3. WARNING in X.java (at line 7)\n" +
" X<? extends AX> x = new X<? extends AX>(new AX<String>());\n" +
" ^^\n" +
"AX is a raw type. References to generic type AX<P> should be parameterized\n" +
"----------\n");
}
// wilcard may not pass parameter bound check
public void test0101() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X <T extends String> {\n" +
" T t;\n" +
" X(T t){\n" +
" this.t = t;\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" X<? extends AX> x = new X<AX<String>>(new AX<String>());\n" +
" x.t.foo(\"SUCCESS\");\n" +
" }\n" +
"}\n" +
"\n" +
"class AX<P> {\n" +
" void foo(P p) { \n" +
" System.out.println(p);\n" +
" }\n" +
"}\n" +
"\n",
},
"----------\n" +
"1. WARNING in X.java (at line 1)\n" +
" public class X <T extends String> {\n" +
" ^^^^^^\n" +
"The type parameter T should not be bounded by the final type String. Final types cannot be further extended\n" +
"----------\n" +
"2. ERROR in X.java (at line 7)\n" +
" X<? extends AX> x = new X<AX<String>>(new AX<String>());\n" +
" ^^^^^^^^^^^^\n" +
"Bound mismatch: The type ? extends AX is not a valid substitute for the bounded parameter <T extends String> of the type X<T>\n" +
"----------\n" +
"3. WARNING in X.java (at line 7)\n" +
" X<? extends AX> x = new X<AX<String>>(new AX<String>());\n" +
" ^^\n" +
"AX is a raw type. References to generic type AX<P> should be parameterized\n" +
"----------\n" +
"4. ERROR in X.java (at line 7)\n" +
" X<? extends AX> x = new X<AX<String>>(new AX<String>());\n" +
" ^^\n" +
"Bound mismatch: The type AX<String> is not a valid substitute for the bounded parameter <T extends String> of the type X<T>\n" +
"----------\n" +
"5. WARNING in X.java (at line 8)\n" +
" x.t.foo(\"SUCCESS\");\n" +
" ^^^^^^^^^^^^^^^^^^\n" +
"Type safety: The method foo(Object) belongs to the raw type AX. References to generic type AX<P> should be parameterized\n" +
"----------\n");
}
// unbound wildcard implicitly bound by matching parameter bounds
public void test0102() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X <T extends AX> {\n" +
" T t;\n" +
" X(T t){\n" +
" this.t = t;\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" X<?> x = new X<BX<String>>(new BX<String>());\n" +
" x.t.foo(\"SUCC\");\n" +
" x.t.bar(\"ESS\");\n" +
" }\n" +
"}\n" +
"\n" +
"class AX<P> {\n" +
" void foo(P p) { \n" +
" System.out.print(p);\n" +
" }\n" +
"}\n" +
"\n" +
"class BX<Q> extends AX<Q> {\n" +
" void bar(Q q) { \n" +
" System.out.println(q);\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 1)\n" +
" public class X <T extends AX> {\n" +
" ^^\n" +
"AX is a raw type. References to generic type AX<P> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 8)\n" +
" x.t.foo(\"SUCC\");\n" +
" ^^^^^^^^^^^^^^^\n" +
"Type safety: The method foo(Object) belongs to the raw type AX. References to generic type AX<P> should be parameterized\n" +
"----------\n" +
"3. ERROR in X.java (at line 9)\n" +
" x.t.bar(\"ESS\");\n" +
" ^^^\n" +
"The method bar(String) is undefined for the type capture#2-of ?\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=85303
public void test0103() throws Exception {
this.runConformTest(
new String[] {
"X.java",
"public class X <T extends AX> {\n" +
" T t;\n" +
" X(T t){\n" +
" this.t = t;\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" X<? extends BX> x = new X<BX<String>>(new BX<String>());\n" +
" x.t.foo(\"SUCC\");\n" +
" x.t.bar(\"ESS\");\n" +
" }\n" +
"}\n" +
"\n" +
"class AX<P> {\n" +
" void foo(P p) { \n" +
" System.out.print(p);\n" +
" }\n" +
"}\n" +
"\n" +
"class BX<Q> extends AX<Q> {\n" +
" void bar(Q q) { \n" +
" System.out.println(q);\n" +
" }\n" +
"}\n",
},
"SUCCESS");
String expectedOutput =
" // Method descriptor #25 ([Ljava/lang/String;)V\n" +
" // Stack: 4, Locals: 2\n" +
" public static void main(java.lang.String[] args);\n" +
" 0 new X [1]\n" +
" 3 dup\n" +
" 4 new BX [26]\n" +
" 7 dup\n" +
" 8 invokespecial BX() [28]\n" +
" 11 invokespecial X(AX) [29]\n" +
" 14 astore_1 [x]\n" +
" 15 aload_1 [x]\n" +
" 16 getfield X.t : AX [16]\n" +
" 19 checkcast BX [26]\n" +
" 22 ldc <String \"SUCC\"> [31]\n" +
" 24 invokevirtual BX.foo(java.lang.Object) : void [33]\n" +
" 27 aload_1 [x]\n" +
" 28 getfield X.t : AX [16]\n" +
" 31 checkcast BX [26]\n" +
" 34 ldc <String \"ESS\"> [37]\n" +
" 36 invokevirtual BX.bar(java.lang.Object) : void [39]\n" +
" 39 return\n" +
" Line numbers:\n" +
" [pc: 0, line: 7]\n" +
" [pc: 15, line: 8]\n" +
" [pc: 27, line: 9]\n" +
" [pc: 39, line: 10]\n" +
" Local variable table:\n" +
" [pc: 0, pc: 40] local: args index: 0 type: java.lang.String[]\n" +
" [pc: 15, pc: 40] local: x index: 1 type: X\n" +
" Local variable type table:\n" +
" [pc: 15, pc: 40] local: x index: 1 type: X<? extends BX>\n";
File f = new File(OUTPUT_DIR + File.separator + "X.class");
byte[] classFileBytes = org.eclipse.jdt.internal.compiler.util.Util.getFileByteContent(f);
ClassFileBytesDisassembler disassembler = ToolFactory.createDefaultClassFileBytesDisassembler();
String result = disassembler.disassemble(classFileBytes, "\n", ClassFileBytesDisassembler.DETAILED);
int index = result.indexOf(expectedOutput);
if (index == -1 || expectedOutput.length() == 0) {
System.out.println(Util.displayString(result, 3));
}
if (index == -1) {
assertEquals("Wrong contents", expectedOutput, result);
}
}
// wildcard bound check
public void test0104() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X <T extends AX> {\n" +
" T t;\n" +
" X(T t){\n" +
" this.t = t;\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" X<? extends BX> x = new X<AX<String>>(new AX<String>());\n" +
" x.t.foo(\"SUCC\");\n" +
" x.t.bar(\"ESS\");\n" +
" }\n" +
"}\n" +
"\n" +
"class AX<P> {\n" +
" void foo(P p) { \n" +
" System.out.print(p);\n" +
" }\n" +
"}\n" +
"\n" +
"class BX<Q> extends AX<Q> {\n" +
" void bar(Q q) { \n" +
" System.out.println(q);\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 1)\n" +
" public class X <T extends AX> {\n" +
" ^^\n" +
"AX is a raw type. References to generic type AX<P> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 7)\n" +
" X<? extends BX> x = new X<AX<String>>(new AX<String>());\n" +
" ^^\n" +
"BX is a raw type. References to generic type BX<Q> should be parameterized\n" +
"----------\n" +
"3. ERROR in X.java (at line 7)\n" +
" X<? extends BX> x = new X<AX<String>>(new AX<String>());\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from X<AX<String>> to X<? extends BX>\n" +
"----------\n" +
"4. WARNING in X.java (at line 8)\n" +
" x.t.foo(\"SUCC\");\n" +
" ^^^^^^^^^^^^^^^\n" +
"Type safety: The method foo(Object) belongs to the raw type AX. References to generic type AX<P> should be parameterized\n" +
"----------\n" +
"5. WARNING in X.java (at line 9)\n" +
" x.t.bar(\"ESS\");\n" +
" ^^^^^^^^^^^^^^\n" +
"Type safety: The method bar(Object) belongs to the raw type BX. References to generic type BX<Q> should be parameterized\n" +
"----------\n");
}
public void test0105() {
this.runConformTest(
new String[] {
"X.java",
"public class X <T extends AX> {\n" +
" T t;\n" +
" X(T t){\n" +
" this.t = t;\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" X<? extends AX> x = new X<AX<String>>(new AX<String>());\n" +
" x.t.foo(\"SUCCESS\");\n" +
" }\n" +
"}\n" +
"\n" +
"class AX<P> {\n" +
" void foo(P p) { \n" +
" System.out.println(p);\n" +
" }\n" +
"}\n",
},
"SUCCESS");
}
public void test0106() {
this.runConformTest(
new String[] {
"X.java",
"public class X <T extends AX> {\n" +
" T t;\n" +
" X(T t){\n" +
" this.t = t;\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" X<BX<String>> x = new X<BX<String>>(new BX<String>());\n" +
" x.t.foo(\"SUCC\");\n" +
" x.t.bar(\"ESS\");\n" +
" }\n" +
"}\n" +
"\n" +
"class AX<P> {\n" +
" void foo(P p) { \n" +
" System.out.print(p);\n" +
" }\n" +
"}\n" +
"\n" +
"class BX<Q> extends AX<Q> {\n" +
" void bar(Q q) { \n" +
" System.out.println(q);\n" +
" }\n" +
"}\n",
},
"SUCCESS");
}
// unsafe assignment thru binaries
public void test0107() {
Map customOptions = getCompilerOptions();
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.ArrayList;\n" +
"\n" +
"public class X {\n" +
" \n" +
" public static void main(String[] args) {\n" +
" \n" +
" Iterable<String> is = new ArrayList();\n" +
" is.iterator();\n" +
" }\n" +
"}\n" +
"\n",
},
"----------\n" +
"1. WARNING in X.java (at line 7)\n" +
" Iterable<String> is = new ArrayList();\n" +
" ^^^^^^^^^^^^^^^\n" +
"Type safety: The expression of type ArrayList needs unchecked conversion to conform to Iterable<String>\n" +
"----------\n" +
"2. WARNING in X.java (at line 7)\n" +
" Iterable<String> is = new ArrayList();\n" +
" ^^^^^^^^^\n" +
"ArrayList is a raw type. References to generic type ArrayList<E> should be parameterized\n" +
"----------\n",
null,
true,
customOptions);
}
// class literal: Integer.class of type Class<Integer>
public void test0108() {
// also ensure no unsafe type operation problem is issued (assignment to variable of type raw)
Map customOptions = getCompilerOptions();
customOptions.put(CompilerOptions.OPTION_ReportUncheckedTypeOperation, CompilerOptions.ERROR);
customOptions.put(CompilerOptions.OPTION_ReportRawTypeReference, CompilerOptions.IGNORE);
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" Class k;\n" +
" public static void main(String args[]) {\n" +
" new X().foo();\n" +
" }\n" +
" void foo() {\n" +
" Class c = this.getClass();\n" +
" this.k = this.getClass();\n" +
" this.k = Integer.class;\n" +
" try {\n" +
" Integer i = Integer.class.newInstance();\n" +
" } catch (Exception e) {\n" +
" }\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
"}\n",
},
"SUCCESS",
null,
true,
null,
customOptions,
null/*no custom requestor*/);
}
// parameterized interface cannot be implemented simultaneously with distinct arguments
public void test0109() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X implements AX<String> {}\n" +
"class Y extends X implements AX<Thread> {}\n" +
"interface AX<P> {}\n" +
"\n",
},
"----------\n" +
"1. ERROR in X.java (at line 2)\n" +
" class Y extends X implements AX<Thread> {}\n" +
" ^\n" +
"The interface AX cannot be implemented more than once with different arguments: AX<String> and AX<Thread>\n" +
"----------\n");
}
public void test0110() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X implements AX {}\n" +
"class Y extends X implements AX<Thread> {}\n" +
"interface AX<P> {}\n" +
"\n",
},
"----------\n" +
"1. WARNING in X.java (at line 1)\n" +
" public class X implements AX {}\n" +
" ^^\n" +
"AX is a raw type. References to generic type AX<P> should be parameterized\n" +
"----------\n" +
"2. ERROR in X.java (at line 2)\n" +
" class Y extends X implements AX<Thread> {}\n" +
" ^\n" +
"The interface AX cannot be implemented more than once with different arguments: AX and AX<Thread>\n" +
"----------\n");
}
public void test0111() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X implements AX<Object> {}\n" +
"class Y extends X implements AX {}\n" +
"interface AX<P> {}\n" +
"\n",
},
"----------\n" +
"1. ERROR in X.java (at line 2)\n" +
" class Y extends X implements AX {}\n" +
" ^\n" +
"The interface AX cannot be implemented more than once with different arguments: AX<Object> and AX\n" +
"----------\n" +
"2. WARNING in X.java (at line 2)\n" +
" class Y extends X implements AX {}\n" +
" ^^\n" +
"AX is a raw type. References to generic type AX<P> should be parameterized\n" +
"----------\n");
}
// test member types
public void test0112() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X <T extends X<X.MX.MMX>.MX<Runnable>.MMX<Iterable<String>>>{\n" +
" void foo(X<Thread>.MX<String>.MMX<X> mx) {}\n" +
" class MX <MT> {\n" +
" class MMX <MMT> {}\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 1)\n" +
" public class X <T extends X<X.MX.MMX>.MX<Runnable>.MMX<Iterable<String>>>{\n" +
" ^^^^^^^^\n" +
"X.MX.MMX is a raw type. References to generic type X<T>.MX<MT>.MMX<MMT> should be parameterized\n" +
"----------\n" +
"2. ERROR in X.java (at line 1)\n" +
" public class X <T extends X<X.MX.MMX>.MX<Runnable>.MMX<Iterable<String>>>{\n" +
" ^^^^^^^^\n" +
"Bound mismatch: The type X.MX.MMX is not a valid substitute for the bounded parameter <T extends X<X.MX.MMX>.MX<Runnable>.MMX<Iterable<String>>> of the type X<T>\n" +
"----------\n" +
"3. ERROR in X.java (at line 2)\n" +
" void foo(X<Thread>.MX<String>.MMX<X> mx) {}\n" +
" ^^^^^^\n" +
"Bound mismatch: The type Thread is not a valid substitute for the bounded parameter <T extends X<X.MX.MMX>.MX<Runnable>.MMX<Iterable<String>>> of the type X<T>\n" +
"----------\n" +
"4. WARNING in X.java (at line 2)\n" +
" void foo(X<Thread>.MX<String>.MMX<X> mx) {}\n" +
" ^\n" +
"X is a raw type. References to generic type X<T> should be parameterized\n" +
"----------\n");
this.runNegativeTest(
new String[] {
"X.java",
"public class X <T extends X<X.MX.MMX>.MX<Runnable>.MMX<Iterable<String>>>{\n" +
" class MX <MT extends Comparable> {\n" +
" class MMX <MMT> {}\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 1)\n" +
" public class X <T extends X<X.MX.MMX>.MX<Runnable>.MMX<Iterable<String>>>{\n" +
" ^^^^^^^^\n" +
"X.MX.MMX is a raw type. References to generic type X<T>.MX<MT>.MMX<MMT> should be parameterized\n" +
"----------\n" +
"2. ERROR in X.java (at line 1)\n" +
" public class X <T extends X<X.MX.MMX>.MX<Runnable>.MMX<Iterable<String>>>{\n" +
" ^^^^^^^^\n" +
"Bound mismatch: The type X.MX.MMX is not a valid substitute for the bounded parameter <T extends X<X.MX.MMX>.MX<Runnable>.MMX<Iterable<String>>> of the type X<T>\n" +
"----------\n" +
"3. ERROR in X.java (at line 1)\n" +
" public class X <T extends X<X.MX.MMX>.MX<Runnable>.MMX<Iterable<String>>>{\n" +
" ^^^^^^^^\n" +
"Bound mismatch: The type Runnable is not a valid substitute for the bounded parameter <MT extends Comparable> of the type X<T>.MX<MT>\n" +
"----------\n" +
"4. WARNING in X.java (at line 2)\n" +
" class MX <MT extends Comparable> {\n" +
" ^^^^^^^^^^\n" +
"Comparable is a raw type. References to generic type Comparable<T> should be parameterized\n" +
"----------\n");
this.runNegativeTest(
new String[] {
"X.java",
"public class X <T extends X<X.MX.MMX>.MX<Runnable>.MMX<Iterable<String>>>{\n" +
" class MX <MT> {\n" +
" class MMX <MMT extends Comparable> {}\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 1)\n" +
" public class X <T extends X<X.MX.MMX>.MX<Runnable>.MMX<Iterable<String>>>{\n" +
" ^^^^^^^^\n" +
"X.MX.MMX is a raw type. References to generic type X<T>.MX<MT>.MMX<MMT> should be parameterized\n" +
"----------\n" +
"2. ERROR in X.java (at line 1)\n" +
" public class X <T extends X<X.MX.MMX>.MX<Runnable>.MMX<Iterable<String>>>{\n" +
" ^^^^^^^^\n" +
"Bound mismatch: The type X.MX.MMX is not a valid substitute for the bounded parameter <T extends X<X.MX.MMX>.MX<Runnable>.MMX<Iterable<String>>> of the type X<T>\n" +
"----------\n" +
"3. ERROR in X.java (at line 1)\n" +
" public class X <T extends X<X.MX.MMX>.MX<Runnable>.MMX<Iterable<String>>>{\n" +
" ^^^^^^^^\n" +
"Bound mismatch: The type Iterable<String> is not a valid substitute for the bounded parameter <MMT extends Comparable> of the type X<T>.MX<MT>.MMX<MMT>\n" +
"----------\n" +
"4. WARNING in X.java (at line 3)\n" +
" class MMX <MMT extends Comparable> {}\n" +
" ^^^^^^^^^^\n" +
"Comparable is a raw type. References to generic type Comparable<T> should be parameterized\n" +
"----------\n");
}
public void test0113() {
this.runConformTest(
new String[] {
"X.java",
"public class X<T> {\n" +
" class MX<U> {\n" +
" }\n" +
"\n" +
" public static void main(String[] args) {\n" +
" new X<Thread>().foo();\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
" void foo() {\n" +
" new X<String>().new MX<T>();\n" +
" }\n" +
"}\n",
},
"SUCCESS");
}
public void test0114() {
this.runConformTest(
new String[] {
"X.java",
"public class X<T> {\n" +
" class MX<U> {\n" +
" }\n" +
"\n" +
" public static void main(String[] args) {\n" +
" new X<Thread>().foo(new X<String>().new MX<Thread>());\n" +
" }\n" +
" void foo(X<String>.MX<Thread> mx) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
"}\n",
},
"SUCCESS");
}
public void test0115() {
this.runConformTest(
new String[] {
"X.java",
"public class X<T> {\n" +
" class MX<U> {\n" +
" }\n" +
"\n" +
" public static void main(String[] args) {\n" +
" new X<Thread>().foo(new X<String>().new MX<Thread>());\n" +
" }\n" +
" void foo(X.MX mx) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
"}\n",
},
"SUCCESS");
}
public void test0116() {
this.runConformTest(
new String[] {
"X.java",
"public class X<T> {\n" +
" class MX<U> {\n" +
" }\n" +
"\n" +
" public static void main(String[] args) {\n" +
" new X<Thread>().foo(new X<String>().new MX<Thread>());\n" +
" }\n" +
" void foo(X<?>.MX<?> mx) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
"}\n",
},
"SUCCESS");
}
// test member types
public void test0117() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X <T extends X<X.MX.MMX>.MX<Runnable>.MMX<Iterable<String>>>{\n" +
" public static void main(String [] args) {\n" +
" \n" +
" new X<X<X.MX.MMX>.MX<Runnable>.MMX<Iterable<String>>>().new MX<Exception>();\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
" void foo(X<X.MX.MMX>.MX<X>.MMX<X> mx) {\n" +
" }\n" +
" \n" +
" class MX <MT> {\n" +
" class MMX <MMT> {\n" +
" }\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 1)\n" +
" public class X <T extends X<X.MX.MMX>.MX<Runnable>.MMX<Iterable<String>>>{\n" +
" ^^^^^^^^\n" +
"X.MX.MMX is a raw type. References to generic type X<T>.MX<MT>.MMX<MMT> should be parameterized\n" +
"----------\n" +
"2. ERROR in X.java (at line 1)\n" +
" public class X <T extends X<X.MX.MMX>.MX<Runnable>.MMX<Iterable<String>>>{\n" +
" ^^^^^^^^\n" +
"Bound mismatch: The type X.MX.MMX is not a valid substitute for the bounded parameter <T extends X<X.MX.MMX>.MX<Runnable>.MMX<Iterable<String>>> of the type X<T>\n" +
"----------\n" +
"3. WARNING in X.java (at line 4)\n" +
" new X<X<X.MX.MMX>.MX<Runnable>.MMX<Iterable<String>>>().new MX<Exception>();\n" +
" ^^^^^^^^\n" +
"X.MX.MMX is a raw type. References to generic type X<T>.MX<MT>.MMX<MMT> should be parameterized\n" +
"----------\n" +
"4. ERROR in X.java (at line 4)\n" +
" new X<X<X.MX.MMX>.MX<Runnable>.MMX<Iterable<String>>>().new MX<Exception>();\n" +
" ^^^^^^^^\n" +
"Bound mismatch: The type X.MX.MMX is not a valid substitute for the bounded parameter <T extends X<X.MX.MMX>.MX<Runnable>.MMX<Iterable<String>>> of the type X<T>\n" +
"----------\n" +
"5. WARNING in X.java (at line 7)\n" +
" void foo(X<X.MX.MMX>.MX<X>.MMX<X> mx) {\n" +
" ^^^^^^^^\n" +
"X.MX.MMX is a raw type. References to generic type X<T>.MX<MT>.MMX<MMT> should be parameterized\n" +
"----------\n" +
"6. ERROR in X.java (at line 7)\n" +
" void foo(X<X.MX.MMX>.MX<X>.MMX<X> mx) {\n" +
" ^^^^^^^^\n" +
"Bound mismatch: The type X.MX.MMX is not a valid substitute for the bounded parameter <T extends X<X.MX.MMX>.MX<Runnable>.MMX<Iterable<String>>> of the type X<T>\n" +
"----------\n" +
"7. WARNING in X.java (at line 7)\n" +
" void foo(X<X.MX.MMX>.MX<X>.MMX<X> mx) {\n" +
" ^\n" +
"X is a raw type. References to generic type X<T> should be parameterized\n" +
"----------\n" +
"8. WARNING in X.java (at line 7)\n" +
" void foo(X<X.MX.MMX>.MX<X>.MMX<X> mx) {\n" +
" ^\n" +
"X is a raw type. References to generic type X<T> should be parameterized\n" +
"----------\n");
}
// test generic method with recursive parameter bound <T extends Comparable<? super T>>
public void test0118() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" public static void main(String[] args) {\n" +
" java.util.Collections.sort(new java.util.LinkedList<String>());\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
"}\n"
},
"SUCCESS");
}
// test generic method
public void test0118a() {
this.runConformTest(
// test directory preparation
true /* flush output directory */,
new String[] { /* test files */
"X.java",
"class A<T> {}\n" +
"\n" +
"public class X {\n" +
" static <T extends A<U>, U> void foo() {}\n" +
" void bar(A<?> a) {\n" +
" foo();\n" +
" }\n" +
"}"
},
// compiler results
null /* do not check compiler log */,
// runtime results
"" /* expected output string */,
null /* do not check error string */,
// javac options
JavacTestOptions.JavacHasABug.JavacBugFixed_7 /* javac test options */);
}
// test binary member types **
public void _test0119() {
this.runConformTest(
new String[] {
"X.java",
"public class X <T extends X<X.MX.MMX>.MX<Runnable>.MMX<Iterable<String>>>{\n" +
" public static void main(String [] args) {\n" +
" \n" +
" new X<X<X.MX.MMX>.MX<Runnable>.MMX<Iterable<String>>>().new MX<Exception>();\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
" void foo(X<X.MX.MMX>.MX<Object>.MMX<X> mx) {\n" +
" }\n" +
" void foo2(X<X.MX.MMX>.MX<Iterable>.MMX<X> mx) {\n" +
" }\n" +
" void foo3(X<X<X.MX.MMX>.MX<Runnable>.MMX<Iterable<String>>> mx) {\n" +
" }\n" +
" \n" +
" class MX <MT> {\n" +
" class MMX <MMT> {\n" +
" }\n" +
" }\n" +
"}\n",
},
"SUCCESS"
);
// TODO (philippe) bounds checks are done before binaryType X is finished creating its type variables
this.runConformTest(
new String[] {
"Y.java",
"public class Y extends X {\n" +
" public static void main(String [] args) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
"}\n",
},
"SUCCESS",
null,
false, // do not flush output
null);
}
// test generic method
public void test0120() {
this.runConformTest(
new String[] {
"X.java",
"public class X <T>{\n" +
" public static void main(String[] args) {\n" +
" \n" +
" String s = new X<String>().foo(\"SUCCESS\");\n" +
" }\n" +
" <U extends String> T foo (U u) {\n" +
" System.out.println(u);\n" +
" return null;\n" +
" }\n" +
"}\n",
},
"SUCCESS");
}
// test generic method
public void test0120a() {
this.runConformTest(
// test directory preparation
new String[] { /* test files */
"X.java",
"public class X<E> {\n" +
" <U extends X<?>> U foo() {\n" +
" return null;\n" +
" }\n" +
" <V extends X<?>> V bar() {\n" +
" return foo();\n" +
" }\n" +
"}"
},
// javac options
JavacTestOptions.JavacHasABug.JavacBug6302954 /* javac test options */);
}
// substitute array types
public void test0121() {
this.runConformTest(
new String[] {
"X.java",
"public class X <T> {\n" +
" public static void main(String[] args) {\n" +
" new X<String>().foo(args);\n" +
" }\n" +
" \n" +
" void foo(T[] ts) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
"}\n",
},
"SUCCESS");
}
// generic method with most specific common supertype: U --> String
public void test0122() {
this.runConformTest(
new String[] {
"X.java",
"public class X <T> {\n" +
" public static void main(String[] args) {\n" +
" new X<String>().foo(args, new X<X<String>>());\n" +
" }\n" +
" <U> void foo(U[] us, X<X<U>> xxu) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
"}\n",
},
"SUCCESS");
}
// invalid parameterized type
public void test0123() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X <T> {\n" +
" T<String> ts;\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 2)\n" +
" T<String> ts;\n" +
" ^\n" +
"The type T is not generic; it cannot be parameterized with arguments <String>\n" +
"----------\n");
}
// generic method with indirect type inference: BX<String, Thread> --> AX<W>
public void test0124() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" \n" +
" <W> void foo(AX<W> aw) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
" \n" +
" public static void main(String[] args) {\n" +
" new X().foo(new BX<String,Thread>());\n" +
" }\n" +
"}\n" +
"\n" +
"class AX<T> {\n" +
"}\n" +
"class BX<U, V> extends AX<V> {\n" +
"}\n",
},
"SUCCESS");
}
// generic method with indirect type inference: CX --> AX<W>
public void test0125() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" \n" +
" <W> void foo(AX<W> aw) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
" \n" +
" public static void main(String[] args) {\n" +
" new X().foo(new CX());\n" +
" }\n" +
"}\n" +
"\n" +
"class AX<T> {\n" +
"}\n" +
"class BX<U, V> extends AX<V> {\n" +
"}\n" +
"class CX extends BX<String, Thread> {\n" +
"}\n",
},
"SUCCESS");
}
// variation on test0125 with typo: CX extends B instead of BX.
public void test0126() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" \n" +
" <W> void foo(AX<W> aw) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
" \n" +
" public static void main(String[] args) {\n" +
" new X().foo(new CX());\n" +
" }\n" +
"}\n" +
"\n" +
"class AX<T> {\n" +
"}\n" +
"class BX<U, V> extends AX<V> {\n" +
"}\n" +
"class CX extends B<String, Thread> {\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 8)\n" +
" new X().foo(new CX());\n" +
" ^^^\n" +
"The method foo(AX<W>) in the type X is not applicable for the arguments (CX)\n" +
"----------\n" +
"2. ERROR in X.java (at line 16)\n" +
" class CX extends B<String, Thread> {\n" +
" ^\n" +
"B cannot be resolved to a type\n" +
"----------\n");
}
// 57784: test generic method
public void test0127() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" public static void main(String[] args) {\n" +
" java.util.Arrays.asList(new Object[] {\"1\"});\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
"}\n"
},
"SUCCESS");
}
// 58666: special treatment for Object#getClass declared of type: Class<? extends Object>
// but implicitly converted to Class<? extends X> for free.
public void test0128() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X { \n" +
" public static void main(String[] args) {\n" +
" X x = new X();\n" +
" Class c1 = x.getClass();\n" +
" Class<? extends X> c2 = x.getClass();\n" +
" String s = \"hello\";\n" +
" Class<? extends X> c3 = s.getClass();\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. WARNING in X.java (at line 4)\n" +
" Class c1 = x.getClass();\n" +
" ^^^^^\n" +
"Class is a raw type. References to generic type Class<T> should be parameterized\n" +
"----------\n" +
"2. ERROR in X.java (at line 7)\n" +
" Class<? extends X> c3 = s.getClass();\n" +
" ^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Class<capture#3-of ? extends String> to Class<? extends X>\n" +
"----------\n");
}
// variation on test0128
public void test0129() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X { \n" +
"\n" +
" public static void main(String[] args) {\n" +
" XY xy = new XY();\n" +
" Class c1 = xy.getClass();\n" +
" Class<? extends XY> c2 = xy.getClass();\n" +
" String s = \"hello\";\n" +
" Class<? extends XY> c3 = s.getClass();\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
"}\n" +
"\n" +
"class XY extends X {\n" +
" public Class <? extends Object> getClass() {\n" +
" return super.getClass();\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. WARNING in X.java (at line 5)\n" +
" Class c1 = xy.getClass();\n" +
" ^^^^^\n" +
"Class is a raw type. References to generic type Class<T> should be parameterized\n" +
"----------\n" +
"2. ERROR in X.java (at line 8)\n" +
" Class<? extends XY> c3 = s.getClass();\n" +
" ^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Class<capture#3-of ? extends String> to Class<? extends XY>\n" +
"----------\n" +
"3. ERROR in X.java (at line 14)\n" +
" public Class <? extends Object> getClass() {\n" +
" ^^^^^^^^^^\n" +
"Cannot override the final method from Object\n" +
"----------\n" +
"4. WARNING in X.java (at line 14)\n" +
" public Class <? extends Object> getClass() {\n" +
" ^^^^^^^^^^\n" +
"The method getClass() of type XY should be tagged with @Override since it actually overrides a superclass method\n" +
"----------\n");
}
// getClass on array type
public void test0130() {
this.runConformTest(
new String[] {
"X.java",
"public class X { \n" +
"\n" +
" public static void main(String[] args) {\n" +
" X[] x = new X[0];\n" +
" Class<? extends X[]> c = x.getClass();\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
"}\n"
},
"SUCCESS");
}
// 58979
public void test0131() {
this.runNegativeTest(
new String[] {
"ArrayList.java",
" interface List<T> {\n" +
" List<T> foo();\n" +
"}\n" +
"\n" +
" class ArrayList<T> implements List<T> {\n" +
" public List<T> foo() {\n" +
" List<T> lt = this;\n" +
" lt.bar();\n" +
" return this;\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in ArrayList.java (at line 8)\n" +
" lt.bar();\n" +
" ^^^\n" +
"The method bar() is undefined for the type List<T>\n" +
"----------\n");
}
public void test0132() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" <T extends X<W>.Z> foo() {}\n" +
"}"
},
"----------\n" +
"1. ERROR in X.java (at line 2)\n" +
" <T extends X<W>.Z> foo() {}\n" +
" ^\n" +
"The type X is not generic; it cannot be parameterized with arguments <W>\n" +
"----------\n" +
"2. ERROR in X.java (at line 2)\n" +
" <T extends X<W>.Z> foo() {}\n" +
" ^\n" +
"W cannot be resolved to a type\n" +
"----------\n" +
"3. ERROR in X.java (at line 2)\n" +
" <T extends X<W>.Z> foo() {}\n" +
" ^^^^^\n" +
"Return type for the method is missing\n" +
"----------\n");
}
// bridge method
public void test0133() {
this.runConformTest(
new String[] {
"X.java",
"public class X<T> {\n" +
" public static void main(String[] args) {\n" +
" X x = new Y();\n" +
" System.out.println(x.foo());\n" +
" }\n" +
" T foo() {return null;}\n" +
" void foo(T t) {}\n" +
"}\n" +
"class Y extends X<Object> {\n" +
" String foo() {return \"SUCCESS\";}\n" +
" void foo(String s) {}\n" +
"}\n"
},
"SUCCESS");
}
public void test0134() {
this.runConformTest(
new String[] {
"Z.java",
"import java.util.ArrayList;\n" +
"import java.util.List;\n" +
"\n" +
"public class Z <T extends List> { \n" +
" T t;\n" +
" public static void main(String[] args) {\n" +
" foo(new Z<ArrayList>().set(new ArrayList<String>()));\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
" Z<T> set(T t) {\n" +
" this.t = t;\n" +
" return this;\n" +
" }\n" +
" T get() { \n" +
" return this.t; \n" +
" }\n" +
" \n" +
" static void foo(Z<? super ArrayList> za) {\n" +
" za.get().isEmpty();\n" +
" }\n" +
"}\n"
},
"SUCCESS");
}
public void test0135() {
this.runNegativeTest(
new String[] {
"Z.java",
"public class Z <T extends ZA> { \n" +
" public static void main(String[] args) {\n" +
" foo(new Z<ZA>());\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
" static void foo(Z<? super String> zs) {\n" +
" }\n" +
"}\n" +
"\n" +
"class ZA {\n" +
" void foo() {}\n" +
"}\n" +
"\n" +
"class ZB extends ZA {\n" +
"}"
},
"----------\n" +
"1. ERROR in Z.java (at line 3)\n" +
" foo(new Z<ZA>());\n" +
" ^^^\n" +
"The method foo(Z<? super String>) in the type Z<T> is not applicable for the arguments (Z<ZA>)\n" +
"----------\n" +
"2. ERROR in Z.java (at line 6)\n" +
" static void foo(Z<? super String> zs) {\n" +
" ^^^^^^^^^^^^^^\n" +
"Bound mismatch: The type ? super String is not a valid substitute for the bounded parameter <T extends ZA> of the type Z<T>\n" +
"----------\n");
}
public void test0136() {
this.runNegativeTest(
new String[] {
"Z.java",
"public class Z <T extends ZB> { \n" +
" public static void main(String[] args) {\n" +
" foo(new Z<ZB>());\n" +
" }\n" +
" static void foo(Z<? super ZA> zs) {\n" +
" zs.foo();\n" +
" }\n" +
"}\n" +
"class ZA {\n" +
"}\n" +
"class ZB extends ZA {\n" +
" void foo() {}\n" +
"}"
},
"----------\n" +
"1. ERROR in Z.java (at line 3)\n" +
" foo(new Z<ZB>());\n" +
" ^^^\n" +
"The method foo(Z<? super ZA>) in the type Z<T> is not applicable for the arguments (Z<ZB>)\n" +
"----------\n" +
"2. ERROR in Z.java (at line 5)\n" +
" static void foo(Z<? super ZA> zs) {\n" +
" ^^^^^^^^^^\n" +
"Bound mismatch: The type ? super ZA is not a valid substitute for the bounded parameter <T extends ZB> of the type Z<T>\n" +
"----------\n" +
"3. ERROR in Z.java (at line 6)\n" +
" zs.foo();\n" +
" ^^^\n" +
"The method foo(Z<? super ZA>) in the type Z<capture#1-of ? super ZA> is not applicable for the arguments ()\n" +
"----------\n");
}
public void test0137() {
this.runConformTest(
new String[] {
"Z.java",
"import java.util.ArrayList;\n" +
"import java.util.List;\n" +
"\n" +
"public class Z <T extends List> { \n" +
" T t;\n" +
" public static void main(String[] args) {\n" +
" foo(new Z<ArrayList>().set(new ArrayList<String>()));\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
" Z<T> set(T t) {\n" +
" this.t = t;\n" +
" return this;\n" +
" }\n" +
" T get() { \n" +
" return this.t; \n" +
" }\n" +
" \n" +
" static void foo(Z<? extends ArrayList> za) {\n" +
" za.get().isEmpty();\n" +
" }\n" +
"}\n"
},
"SUCCESS");
}
// unbound wildcard still remembers its variable bound: Z<?> behaves like Z<AX>
public void test0138() {
this.runConformTest(
new String[] {
"Z.java",
"public class Z <T extends AX> {\n" +
" T t;\n" +
" Z(T t){\n" +
" this.t = t;\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" Z<AX<String>> zax = new Z<AX<String>>(new AX<String>());\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
" void baz(Z<?> zu){\n" +
" zu.t.foo(null);\n" +
" }\n" +
"}\n" +
"\n" +
"class AX<P> {\n" +
" void foo(P p) { \n" +
" System.out.print(p);\n" +
" }\n" +
"}\n"
},
"SUCCESS");
}
// extending wildcard considers its bound prior to its corresponding variable
public void test0139() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T extends AX> {\n" +
" T t;\n" +
" X(T t) {\n" +
" this.t = t;\n" +
" }\n" +
" T get() {\n" +
" return this.t;\n" +
" }\n" +
" void bar(X<? extends BX> x) {\n" +
" x.get().afoo();\n" +
" x.get().bfoo();\n" +
" }\n" +
"}\n" +
"class AX {\n" +
" void afoo() {}\n" +
"}\n" +
"class BX {\n" +
" void bfoo() {}\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 9)\n" +
" void bar(X<? extends BX> x) {\n" +
" ^^^^^^^^^^^^\n" +
"Bound mismatch: The type ? extends BX is not a valid substitute for the bounded parameter <T extends AX> of the type X<T>\n" +
"----------\n" +
"2. ERROR in X.java (at line 10)\n" +
" x.get().afoo();\n" +
" ^^^^\n" +
"The method afoo() is undefined for the type capture#1-of ? extends BX\n" +
"----------\n");
}
// extending wildcard considers its bound prior to its corresponding variable
public void test0140() {
this.runConformTest(
new String[] {
"X.java",
"public class X<T extends AX> {\n" +
" T t;\n" +
" X(T t) {\n" +
" this.t = t;\n" +
" }\n" +
" T get() {\n" +
" return this.t;\n" +
" }\n" +
" void bar(X<? extends BX> x) {\n" +
" x.get().afoo();\n" +
" x.get().bfoo();\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
"}\n" +
"class AX {\n" +
" void afoo() {}\n" +
"}\n" +
"class BX extends AX {\n" +
" void bfoo() {}\n" +
"}\n",
},
"SUCCESS");
}
// super wildcard considers its variable for lookups
public void test0141() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T extends AX> {\n" +
" T t;\n" +
" X(T t) {\n" +
" this.t = t;\n" +
" }\n" +
" T get() {\n" +
" return this.t;\n" +
" }\n" +
" void bar(X<? super BX> x) {\n" +
" x.get().afoo();\n" +
" x.get().bfoo();\n" +
" }\n" +
"}\n" +
"class AX {\n" +
" void afoo() {}\n" +
"}\n" +
"class BX extends AX {\n" +
" void bfoo() {}\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 11)\n" +
" x.get().bfoo();\n" +
" ^^^^\n" +
"The method bfoo() is undefined for the type capture#2-of ? super BX\n" +
"----------\n");
}
public void test0142() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T extends AX> {\n" +
" T t;\n" +
" X(T t) {\n" +
" this.t = t;\n" +
" }\n" +
" T get() {\n" +
" return this.t;\n" +
" }\n" +
" void bar(X<? extends X> x) {\n" +
" x = identity(x);\n" +
" }\n" +
" <P extends AX> X<P> identity(X<P> x) {\n" +
" return x;\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" }\n" +
"}\n" +
"class AX {\n" +
" void afoo() {}\n" +
"}\n" +
"class BX extends AX {\n" +
" void bfoo() {}\n" +
"}\n",
},
this.complianceLevel < ClassFileConstants.JDK1_8 ?
"----------\n" +
"1. ERROR in X.java (at line 9)\n" +
" void bar(X<? extends X> x) {\n" +
" ^^^^^^^^^^^\n" +
"Bound mismatch: The type ? extends X is not a valid substitute for the bounded parameter <T extends AX> of the type X<T>\n" +
"----------\n" +
"2. WARNING in X.java (at line 9)\n" +
" void bar(X<? extends X> x) {\n" +
" ^\n" +
"X is a raw type. References to generic type X<T> should be parameterized\n" +
"----------\n" +
"3. ERROR in X.java (at line 10)\n" +
" x = identity(x);\n" +
" ^^^^^^^^\n" +
"Bound mismatch: The generic method identity(X<P>) of type X<T> is not applicable for the arguments (X<capture#2-of ? extends X>). The inferred type capture#2-of ? extends X is not a valid substitute for the bounded parameter <P extends AX>\n" +
"----------\n" :
"----------\n" +
"1. ERROR in X.java (at line 9)\n" +
" void bar(X<? extends X> x) {\n" +
" ^^^^^^^^^^^\n" +
"Bound mismatch: The type ? extends X is not a valid substitute for the bounded parameter <T extends AX> of the type X<T>\n" +
"----------\n" +
"2. WARNING in X.java (at line 9)\n" +
" void bar(X<? extends X> x) {\n" +
" ^\n" +
"X is a raw type. References to generic type X<T> should be parameterized\n" +
"----------\n" +
"3. ERROR in X.java (at line 10)\n" +
" x = identity(x);\n" +
" ^^^^^^^^\n" +
"The method identity(X<P>) in the type X<T> is not applicable for the arguments (X<capture#2-of ? extends X>)\n" +
"----------\n");
}
public void test0143() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" public static void main(String[] args) {\n" +
" Class<? extends X> xx = null;\n" +
" Class<? extends Object> xo = xx;\n" +
" Class<Object> xo2 = xx;\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 5)\n" +
" Class<Object> xo2 = xx;\n" +
" ^^\n" +
"Type mismatch: cannot convert from Class<capture#2-of ? extends X> to Class<Object>\n" +
"----------\n");
}
public void test0144() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" public static void main(String[] args) {\n" +
" Class<? extends X> xx = null;\n" +
" Class<? extends Object> xo = xx;\n" +
" X x = get(xx);\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
" static <P> P get(Class<P> cp) {\n" +
" return null;\n" +
" }\n" +
"}\n",
},
"SUCCESS");
}
// 59641: check assign/invoke with wildcards
public void test0145() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" public static void main(String[] args) {\n" +
" XList<?> lx = new XList<X>();\n" +
" X x = lx.get();\n" +
" lx.add(null);\n" +
" lx.add(x);\n" +
" lx.slot = x;\n" +
" lx.addAll(lx);\n" +
" } \n" +
"}\n" +
"class XList<E extends X> {\n" +
" E slot;\n" +
" void add(E e) {}\n" +
" E get() { return null; \n" +
" }\n" +
" void addAll(XList<E> le) {}\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 6)\n" +
" lx.add(x);\n" +
" ^^^\n" +
"The method add(capture#3-of ?) in the type XList<capture#3-of ?> is not applicable for the arguments (X)\n" +
"----------\n" +
"2. ERROR in X.java (at line 7)\n" +
" lx.slot = x;\n" +
" ^\n" +
"Type mismatch: cannot convert from X to capture#4-of ?\n" +
"----------\n" +
"3. ERROR in X.java (at line 8)\n" +
" lx.addAll(lx);\n" +
" ^^^^^^\n" +
"The method addAll(XList<capture#5-of ?>) in the type XList<capture#5-of ?> is not applicable for the arguments (XList<capture#6-of ?>)\n" +
"----------\n");
}
// 59628
public void test0146() {
this.runConformTest(
new String[] {
"X.java",
"import java.util.AbstractList;\n" +
"public class X extends AbstractList {\n" +
" public static void main(String[] args) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
" public int size() { return 0; }\n" +
" public Object get(int index) { return null; }\n" +
"}\n"
},
"SUCCESS");
}
// 59723
public void test0147() {
this.runConformTest(
new String[] {
"X.java",
"import java.util.ArrayList;\n" +
"\n" +
"public class X {\n" +
" public static void main(String[] args) {\n" +
" char[][] tokens = new char[0][];\n" +
" ArrayList list = new ArrayList();\n" +
" list.toArray(tokens);\n" +
" System.out.println(\"SUCCESS\");\n" +
" } \n" +
"}\n"
},
"SUCCESS");
}
// bridge method
public void test0148() {
this.runConformTest(
new String[] {
"X.java",
"public class X extends AX<String>{\n" +
" \n" +
" String foo(String s) {\n" +
" System.out.println(s);\n" +
" return s;\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" new X().bar(\"SUCCESS\");\n" +
" } \n" +
"}\n" +
"class AX<T> {\n" +
" T foo(T t) {\n" +
" return null;\n" +
" }\n" +
" void bar(T t) {\n" +
" foo(t);\n" +
" }\n" +
"}\n"
},
"SUCCESS");
}
// method compatibility
public void test0149() {
this.runConformTest(
new String[] {
"X.java",
"public abstract class X implements java.util.Collection {\n" +
" public Object[] toArray(Object[] a) {\n" +
" return a;\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
"}\n"
},
"SUCCESS");
this.runNegativeTest(
new String[] {
"X.java",
"public abstract class X implements java.util.Collection<Object> {\n" +
" public Object[] toArray(Object[] a) {\n" +
" return a;\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. WARNING in X.java (at line 2)\n" +
" public Object[] toArray(Object[] a) {\n" +
" ^^^^^^^^\n" +
"Type safety: The return type Object[] for toArray(Object[]) from the type X needs unchecked conversion to conform to T[] from the type Collection<E>\n" +
"----------\n");
}
public void test0150() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"public class X {\n" +
" \n" +
" <T extends X> void foo(T[] ta, List<T> lt) {\n" +
" }\n" +
" \n" +
" public static void main(String[] args) {\n" +
" new X().foo(args, new ArrayList<String>());\n" +
" }\n" +
"}\n"
},
this.complianceLevel < ClassFileConstants.JDK1_8 ?
"----------\n" +
"1. ERROR in X.java (at line 8)\n" +
" new X().foo(args, new ArrayList<String>());\n" +
" ^^^\n" +
"Bound mismatch: The generic method foo(T[], List<T>) of type X is not applicable for the arguments (String[], ArrayList<String>). The inferred type String is not a valid substitute for the bounded parameter <T extends X>\n" +
"----------\n" :
"----------\n" +
"1. ERROR in X.java (at line 8)\n" +
" new X().foo(args, new ArrayList<String>());\n" +
" ^^^\n" +
"The method foo(T[], List<T>) in the type X is not applicable for the arguments (String[], ArrayList<String>)\n" +
"----------\n");
}
public void test0151() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"public class X <E>{\n" +
" \n" +
" <T extends X> X(T[] ta, List<T> lt) {\n" +
" }\n" +
" \n" +
" public static void main(String[] args) {\n" +
" new X<Object>(args, new ArrayList<String>());\n" +
" }\n" +
"}\n"
},
this.complianceLevel < ClassFileConstants.JDK1_8 ?
"----------\n" +
"1. WARNING in X.java (at line 4)\n" +
" <T extends X> X(T[] ta, List<T> lt) {\n" +
" ^\n" +
"X is a raw type. References to generic type X<E> should be parameterized\n" +
"----------\n" +
"2. ERROR in X.java (at line 8)\n" +
" new X<Object>(args, new ArrayList<String>());\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Bound mismatch: The generic constructor X(T[], List<T>) of type X<E> is not applicable for the arguments (String[], ArrayList<String>). The inferred type String is not a valid substitute for the bounded parameter <T extends X>\n" +
"----------\n" :
"----------\n" +
"1. WARNING in X.java (at line 4)\n" +
" <T extends X> X(T[] ta, List<T> lt) {\n" +
" ^\n" +
"X is a raw type. References to generic type X<E> should be parameterized\n" +
"----------\n" +
"2. ERROR in X.java (at line 8)\n" +
" new X<Object>(args, new ArrayList<String>());\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"The constructor X<Object>(String[], ArrayList<String>) is undefined\n" +
"----------\n");
}
// 60556
public void test0152() {
this.runConformTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"public class X {\n" +
" \n" +
" public static void main(String[] args) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
" List<X> x(List<X> list) {\n" +
" return Collections.unmodifiableList(list);\n" +
" }\n" +
"}\n"
},
"SUCCESS");
}
public void test0153() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" \n" +
" public static void main(String[] args) {\n" +
" AX<X> ax = new AX<X>();\n" +
" AX<X> a = bar(ax);\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
" public static <T> AX<T> bar(AX<? extends T> a) {\n" +
" return null;\n" +
" } \n" +
"}\n" +
"class AX<E> {\n" +
"}\n"
},
"SUCCESS");
}
public void test0154() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" \n" +
" public static void main(String[] args) {\n" +
" AX<X> ax = new AX<X>();\n" +
" AX<X> a = bar(ax);\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
" public static <T> AX<T> bar(AX<? super T> a) {\n" +
" return null;\n" +
" } \n" +
"}\n" +
"class AX<E> {\n" +
"}\n"
},
"SUCCESS");
}
public void test0155() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" \n" +
" public static void main(String[] args) {\n" +
" AX<X> ax = new AX<X>();\n" +
" AX<X> a = bar(ax);\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
" public static <T> AX<T> bar(AX<?> a) {\n" +
" return null;\n" +
" } \n" +
"}\n" +
"class AX<E> {\n" +
"}\n"
},
"SUCCESS");
}
public void test0156() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" \n" +
" public static void main(String[] args) {\n" +
" AX<X> ax = new AX<X>();\n" +
" AX<X> a = bar(ax);\n" +
" }\n" +
" public static <T> AX<T> bar(AX<?> a) {\n" +
" return null;\n" +
" } \n" +
"}\n" +
"class AX<E extends X> {\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 7)\n" +
" public static <T> AX<T> bar(AX<?> a) {\n" +
" ^\n" +
"Bound mismatch: The type T is not a valid substitute for the bounded parameter <E extends X> of the type AX<E>\n" +
"----------\n");
}
public void test0157() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" \n" +
" public static void main(String[] args) {\n" +
" AX<X> ax = new AX<X>();\n" +
" AX<String> as = new AX<String>();\n" +
" AX<X> a = bar(ax, as);\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
" public static <T,U> AX<T> bar(AX<? extends U> a, AX<? super U> b) {\n" +
" return null;\n" +
" } \n" +
"}\n" +
"class AX<E> {\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 6)\n" +
" AX<X> a = bar(ax, as);\n" +
" ^^^\n" +
"The method bar(AX<? extends U>, AX<? super U>) in the type X is not applicable for the arguments (AX<X>, AX<String>)\n" +
"----------\n");
}
public void test0158() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" \n" +
" public static void main(String[] args) {\n" +
" AX<X> ax = new AX<X>();\n" +
" AX<String> as = new AX<String>();\n" +
" AX<X> a = bar(ax, as);\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
" public static <T,U> AX<T> bar(AX<?> a, AX<? super U> b) {\n" +
" return null;\n" +
" } \n" +
"}\n" +
"class AX<E> {\n" +
"}\n"
},
"SUCCESS");
}
public void test0159() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" \n" +
" public static void main(String[] args) {\n" +
" AX<X> ax = new AX<X>(new X());\n" +
" AX<String> as = new AX<String>(\"SUCCESS\");\n" +
" AX<X> a = bar(ax, as);\n" +
" }\n" +
" public static <T,U> T bar(AX<?> a, AX<? super U> b) {\n" +
" return a.get();\n" +
" } \n" +
"}\n" +
"class AX<E> {\n" +
" E e;\n" +
" AX(E e) { this.e = e; }\n" +
" E get() { return this.e; }\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 9)\n" +
" return a.get();\n" +
" ^^^^^^^\n" +
"Type mismatch: cannot convert from capture#1-of ? to T\n" +
"----------\n");
}
public void test0160() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" \n" +
" public static void main(String[] args) {\n" +
" String s = foo(new AX<String>(\"aaa\"));\n" +
" }\n" +
" static <V> V foo(AX<String> a) {\n" +
" return a.get();\n" +
" }\n" +
"}\n" +
"class AX<E> {\n" +
" E e;\n" +
" AX(E e) { this.e = e; }\n" +
" E get() { return this.e; }\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 7)\n" +
" return a.get();\n" +
" ^^^^^^^\n" +
"Type mismatch: cannot convert from String to V\n" +
"----------\n");
}
public void test0161() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" \n" +
" public static void main(String[] args) {\n" +
" boolean b = foo(new AX<String>(\"aaa\")).equals(args);\n" +
" }\n" +
" static <V> V foo(AX<String> a) {\n" +
" return a.get();\n" +
" }\n" +
" String bar() {\n" +
" return \"bbb\";\n" +
" }\n" +
"}\n" +
"class AX<E> {\n" +
" E e;\n" +
" AX(E e) { this.e = e; }\n" +
" E get() { return this.e; }\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 7)\n" +
" return a.get();\n" +
" ^^^^^^^\n" +
"Type mismatch: cannot convert from String to V\n" +
"----------\n");
}
public void test0162() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" \n" +
" public static void main(String[] args) {\n" +
" String s = foo(new AX<String>(\"aaa\")).bar();\n" +
" }\n" +
" static <V> V foo(AX<String> a) {\n" +
" return a.get();\n" +
" }\n" +
" String bar() {\n" +
" return \"bbb\";\n" +
" }\n" +
"}\n" +
"class AX<E> {\n" +
" E e;\n" +
" AX(E e) { this.e = e; }\n" +
" E get() { return this.e; }\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" String s = foo(new AX<String>(\"aaa\")).bar();\n" +
" ^^^\n" +
"The method bar() is undefined for the type Object\n" +
"----------\n" +
"2. ERROR in X.java (at line 7)\n" +
" return a.get();\n" +
" ^^^^^^^\n" +
"Type mismatch: cannot convert from String to V\n" +
"----------\n");
}
public void test0163() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" \n" +
" public static void main(String[] args) {\n" +
" String s = foo(new AX<String>(\"aaa\")).bar();\n" +
" }\n" +
" static <V> V foo(AX<String> a) {\n" +
" return a.get();\n" +
" }\n" +
" String bar() {\n" +
" return \"bbb\";\n" +
" }\n" +
"}\n" +
"class AX<E> {\n" +
" E e;\n" +
" AX(E e) { this.e = e; }\n" +
" E get() { return this.e; }\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" String s = foo(new AX<String>(\"aaa\")).bar();\n" +
" ^^^\n" +
"The method bar() is undefined for the type Object\n" +
"----------\n" +
"2. ERROR in X.java (at line 7)\n" +
" return a.get();\n" +
" ^^^^^^^\n" +
"Type mismatch: cannot convert from String to V\n" +
"----------\n");
}
public void test0164() {
this.runConformTest(
new String[] {
"X.java",
"import java.util.List;\n" +
"public class X {\n" +
" public static void main(String[] args) {\n" +
" foo(new AX<String>(\"SUCCESS\"));\n" +
" }\n" +
" static <V> List<V> foo(AX<String> a) {\n" +
" System.out.println(a.get());\n" +
" List<V> v = null;\n" +
" if (a == null) v = foo(a); \n" +
" return v;\n" +
" }\n" +
"}\n" +
"class AX<E> {\n" +
" E e;\n" +
" AX(E e) { this.e = e; }\n" +
" E get() { return this.e; }\n" +
"}\n"
},
"SUCCESS");
}
public void test0165() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" \n" +
" public static void main(String[] args) {\n" +
" AX<X> ax = new AX<X>();\n" +
" AX<String> a = bar(ax);\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
" public static <T> AX<T> bar(AX<?> a) {\n" +
" if (a == null) {\n" +
" AX<String> as = bar(a);\n" +
" String s = as.get();\n" +
" }\n" +
" return null;\n" +
" } \n" +
"}\n" +
"class AX<E> {\n" +
" E get() { return null; }\n" +
"}\n"
},
"SUCCESS");
}
public void test0166() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" \n" +
" public static void main(String[] args) {\n" +
" AX<X> ax = new AX<X>(new X());\n" +
" AX<String> a = bar(ax, true);\n" +
" String s = a.get();\n" +
" System.out.println(s);\n" +
" }\n" +
" public static <T> AX<T> bar(AX<?> a, boolean recurse) {\n" +
" if (recurse) {\n" +
" AX<String> as = bar(a, false);\n" +
" String s = as.get();\n" +
" }\n" +
" return new AX(\"SUCCESS\");\n" +
" } \n" +
"}\n" +
"class AX<E> {\n" +
" E e;\n" +
" AX(E e) { this.e = e; }\n" +
" E get() { return this.e; }\n" +
"}\n"
},
"SUCCESS");
}
public void test0167() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" \n" +
" public static void main(String[] args) {\n" +
" AX<String, Thread> a = bar();\n" +
" String s = a.get();\n" +
" System.out.println(s);\n" +
" }\n" +
" public static <T, U> AX<T, U> bar() {\n" +
" return new AX(\"SUCCESS\");\n" +
" } \n" +
"}\n" +
"class AX<E, F> {\n" +
" E e;\n" +
" AX(E e) { this.e = e; }\n" +
" E get() { return this.e; }\n" +
"}\n"
},
"SUCCESS");
}
// FAIL ERRMSG (type display)
public void test0168() {
if (this.complianceLevel >= ClassFileConstants.JDK1_8)
return;
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" \n" +
" public static void main(String[] args) {\n" +
" AX<String, Thread> a = bar();\n" +
" String s = a.get();\n" +
" System.out.println(s);\n" +
" }\n" +
" public static <T, U> AX<AX<T, T>, U> bar() {\n" +
" return new AX(\"SUCCESS\");\n" +
" } \n" +
"}\n" +
"class AX<E, F> {\n" +
" E e;\n" +
" AX(E e) { this.e = e; }\n" +
" E get() { return this.e; }\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" AX<String, Thread> a = bar();\n" +
" ^^^^^\n" +
"Type mismatch: cannot convert from AX<AX<Object,Object>,Thread> to AX<String,Thread>\n" +
"----------\n" +
"2. WARNING in X.java (at line 9)\n" +
" return new AX(\"SUCCESS\");\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"Type safety: The constructor AX(Object) belongs to the raw type AX. References to generic type AX<E,F> should be parameterized\n" +
"----------\n" +
"3. WARNING in X.java (at line 9)\n" +
" return new AX(\"SUCCESS\");\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"Type safety: The expression of type AX needs unchecked conversion to conform to AX<AX<T,T>,U>\n" +
"----------\n" +
"4. WARNING in X.java (at line 9)\n" +
" return new AX(\"SUCCESS\");\n" +
" ^^\n" +
"AX is a raw type. References to generic type AX<E,F> should be parameterized\n" +
"----------\n");
}
public void test0169() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" \n" +
" public static void main(String[] args) {\n" +
" AX<String> a = bar(new X());\n" +
" String s = a.get();\n" +
" System.out.println(s);\n" +
" }\n" +
" public static <T> AX<T> bar(T t) {\n" +
" return new AX(\"SUCCESS\");\n" +
" } \n" +
"}\n" +
"class AX<E> {\n" +
" E e;\n" +
" AX(E e) { this.e = e; }\n" +
" E get() { return this.e; }\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" AX<String> a = bar(new X());\n" +
" ^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from AX<X> to AX<String>\n" +
"----------\n" +
"2. WARNING in X.java (at line 9)\n" +
" return new AX(\"SUCCESS\");\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"Type safety: The constructor AX(Object) belongs to the raw type AX. References to generic type AX<E> should be parameterized\n" +
"----------\n" +
"3. WARNING in X.java (at line 9)\n" +
" return new AX(\"SUCCESS\");\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"Type safety: The expression of type AX needs unchecked conversion to conform to AX<T>\n" +
"----------\n" +
"4. WARNING in X.java (at line 9)\n" +
" return new AX(\"SUCCESS\");\n" +
" ^^\n" +
"AX is a raw type. References to generic type AX<E> should be parameterized\n" +
"----------\n");
}
// Expected type inference for cast operation
public void test0170() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" \n" +
" public static void main(String[] args) {\n" +
" AX<X> ax = new AX<X>(new X());\n" +
" AX<String> as = new AX<String>(\"\");\n" +
" ax = (AX)bar(ax);\n" + // shouldn't complain about unnecessary cast
" }\n" +
" public static <T> T bar(AX<?> a) {\n" +
" return a.get();\n" +
" } \n" +
"}\n" +
"class AX<E> {\n" +
" E e;\n" +
" AX(E e) { this.e = e; }\n" +
" E get() { return this.e; }\n" +
"}\n"
},
"----------\n" +
"1. WARNING in X.java (at line 6)\n" +
" ax = (AX)bar(ax);\n" +
" ^^^^^^^^^^^\n" +
"Type safety: The expression of type AX needs unchecked conversion to conform to AX<X>\n" +
"----------\n" +
"2. WARNING in X.java (at line 6)\n" +
" ax = (AX)bar(ax);\n" +
" ^^\n" +
"AX is a raw type. References to generic type AX<E> should be parameterized\n" +
"----------\n" +
"3. ERROR in X.java (at line 9)\n" +
" return a.get();\n" +
" ^^^^^^^\n" +
"Type mismatch: cannot convert from capture#1-of ? to T\n" +
"----------\n");
}
// Expected type inference for cast operation
public void test0171() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" \n" +
" public static void main(String[] args) {\n" +
" AX<X> ax = new AX<X>(new X());\n" +
" AX<String> as = new AX<String>(\"\");\n" +
" ax = (AX<X>)bar(ax);\n" + // shouldn't complain about unnecessary cast as return type inference do not
" }\n" + // work on cast conversion
" public static <T> T bar(AX<?> a) {\n" +
" return a.get();\n" +
" } \n" +
"}\n" +
"class AX<E> {\n" +
" E e;\n" +
" AX(E e) { this.e = e; }\n" +
" E get() { return this.e; }\n" +
"}\n"
},
"----------\n" +
"1. WARNING in X.java (at line 6)\n" +
" ax = (AX<X>)bar(ax);\n" +
" ^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from Object to AX<X>\n" +
"----------\n" +
"2. ERROR in X.java (at line 9)\n" +
" return a.get();\n" +
" ^^^^^^^\n" +
"Type mismatch: cannot convert from capture#1-of ? to T\n" +
"----------\n");
}
// Expected type inference for cast operation
public void test0172() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" \n" +
" public static void main(String[] args) {\n" +
" AX<X> ax = new AX<X>(new X());\n" +
" AX<String> as = new AX<String>(\"SUCCESS\");\n" +
" ax = (AX<X>)bar(ax);\n" + // no warn for unsafe cast, since forbidden cast
" }\n" +
" public static <T> String bar(AX<?> a) {\n" +
" return null;\n" +
" } \n" +
"}\n" +
"class AX<E> {\n" +
" E e;\n" +
" AX(E e) { this.e = e; }\n" +
" E get() { return this.e; }\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 6)\n" +
" ax = (AX<X>)bar(ax);\n" +
" ^^^^^^^^^^^^^^\n" +
"Cannot cast from String to AX<X>\n" +
"----------\n");
}
// Expected type inference for return statement
public void test0173() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" \n" +
" public static void main(String[] args) {\n" +
" foo();\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
" public static <T> T bar(AX<?> a) {\n" +
" return null;\n" +
" } \n" +
" public static AX<X> foo() {\n" +
" AX<X> ax = new AX<X>(new X());\n" +
" return bar(ax);\n" + // use return type of enclosing method for type inference
" }\n" +
"}\n" +
"class AX<E> {\n" +
" E e;\n" +
" AX(E e) { this.e = e; }\n" +
" E get() { return this.e; }\n" +
"}\n" +
"\n"
},
"SUCCESS");
}
// Expected type inference for field declaration
public void test0174() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" \n" +
" public static void main(String[] args) {\n" +
" Object o = foo;\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
" public static <T> T bar(AX<?> a) {\n" +
" return null;\n" +
" } \n" +
" static AX<X> foo = bar(new AX<X>(new X()));\n" + // use field type for type inference
"}\n" +
"class AX<E> {\n" +
" E e;\n" +
" AX(E e) { this.e = e; }\n" +
" E get() { return this.e; }\n" +
"}\n" +
"\n"
},
"SUCCESS");
}
// 60563
public void test0175() {
this.runConformTest(
new String[] {
"X.java",
" interface A<T> {\n" +
" T[] m1(T x); \n" +
" }\n" +
" public class X { \n" +
" public static void main(String[] args) {\n" +
" new X().m2(new A<X>(){ \n" +
" public X[] m1(X x) { \n" +
" System.out.println(\"SUCCESS\");\n" +
" return null;\n" +
" }\n" +
" });\n" +
" }\n" +
" void m2(A<X> x) { \n" +
" m3(x.m1(new X())); \n" +
" }\n" +
" void m3(X[] x) {\n" +
" } \n" +
" }\n"
},
"SUCCESS");
}
// unsafe raw return value
public void test0176() {
Map customOptions = getCompilerOptions();
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"\n" +
"public class X {\n" +
" <T> Vector<T> valuesOf(Hashtable<?, T> h) {\n" +
" return new Vector();\n" +
" }\n" +
" Vector<Object> data;\n" +
" \n" +
" public void t() {\n" +
" Vector<Object> v = (Vector<Object>) data.elementAt(0);\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 5)\n" +
" return new Vector();\n" +
" ^^^^^^^^^^^^\n" +
"Type safety: The expression of type Vector needs unchecked conversion to conform to Vector<T>\n" +
"----------\n" +
"2. WARNING in X.java (at line 5)\n" +
" return new Vector();\n" +
" ^^^^^^\n" +
"Vector is a raw type. References to generic type Vector<E> should be parameterized\n" +
"----------\n" +
"3. WARNING in X.java (at line 10)\n" +
" Vector<Object> v = (Vector<Object>) data.elementAt(0);\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from Object to Vector<Object>\n" +
"----------\n",
null,
true,
customOptions);
}
// cast to type variable allowed, can be diagnosed as unnecessary
public void test0177() {
Map options = getCompilerOptions();
runConformTest(
// test directory preparation
true /* flush output directory */,
new String[] { /* test files */
"X.java",
"public class X <T> {\n" +
" \n" +
" T foo(T t) {\n" +
" return (T) t;\n" +
" }\n" +
"}\n",
},
// compiler options
null /* no class libraries */,
options /* custom options - happen to be the default not changed by the test suite */,
// compiler results
"----------\n" + /* expected compiler log */
"1. WARNING in X.java (at line 4)\n" +
" return (T) t;\n" +
" ^^^^^\n" +
"Unnecessary cast from T to T\n" +
"----------\n",
// runtime results
null /* do not check output string */,
null /* do not check error string */,
// javac options
JavacTestOptions.Excuse.EclipseHasSomeMoreWarnings /* javac test options */);
}
// reject instanceof type variable or parameterized type
public void test0178() {
Map customOptions = getCompilerOptions();
this.runNegativeTest(
new String[] {
"X.java",
"public class X <T> {\n" +
" \n" +
" T foo(T t) {\n" +
" if (t instanceof X<T>) {\n" +
" return t;\n" +
" } else if (t instanceof X<String>) {\n" +
" return t;\n" +
" } else if (t instanceof X<?>) {\n" + // ok
" return t;\n" +
" } else if (t instanceof T) {\n" +
" return t;\n" +
" } else if (t instanceof X) {\n" +
" return t;\n" +
" }\n" +
" return null;\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" if (t instanceof X<T>) {\n" +
" ^^^^^^^^^^^^^^\n" +
"Cannot perform instanceof check against parameterized type X<T>. Use the form X<?> instead since further generic type information will be erased at runtime\n" +
"----------\n" +
"2. ERROR in X.java (at line 6)\n" +
" } else if (t instanceof X<String>) {\n" +
" ^^^^^^^^^^^^^^\n" +
"Cannot perform instanceof check against parameterized type X<String>. Use the form X<?> instead since further generic type information will be erased at runtime\n" +
"----------\n" +
"3. ERROR in X.java (at line 10)\n" +
" } else if (t instanceof T) {\n" +
" ^^^^^^^^^^^^^^\n" +
"Cannot perform instanceof check against type parameter T. Use its erasure Object instead since further generic type information will be erased at runtime\n" +
"----------\n",
null,
true,
customOptions);
}
// 61507
public void test0179() {
this.runConformTest(
new String[] {
"X.java",
"class U {\n" +
" static <T> T notNull(T t) { return t; }\n" +
"}\n" +
"public class X {\n" +
" void t() {\n" +
" String s = U.notNull(null);\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" new X().t();\n" +
" System.out.println(\"SUCCESS\");\n" +
"}\n" +
"}\n",
},
"SUCCESS");
}
public void test0180() {
this.runConformTest(
new String[] {
"X.java",
"class U {\n" +
" static <T> T notNull(T t) { return t; }\n" +
"}\n" +
"public class X {\n" +
" void t() {\n" +
" String s = U.notNull(\"\");\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" new X().t();\n" +
" System.out.println(\"SUCCESS\");\n" +
"}\n" +
"}\n",
},
"SUCCESS");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=61507 - variation computing most specific type with 'null'
public void test0181() {
this.runConformTest(
new String[] {
"X.java",
"class U {\n" +
" static <T> T notNull(T t, V<T> vt) { return t; }\n" +
"}\n" +
"class V<T> {}\n" +
"\n" +
"public class X {\n" +
" void t() {\n" +
" String s = U.notNull(null, new V<String>());\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" new X().t();\n" +
" System.out.println(\"SUCCESS\");\n" +
"}\n" +
"}\n",
},
"SUCCESS");
}
public void test0182() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<E> {\n" +
" X<E> foo() {\n" +
" return (X<E>) this;\n" +
" }\n" +
" X<String> bar() {\n" +
" return (AX<String>) new X<String>();\n" +
" }\n" +
" X<String> bar(Object o) {\n" +
" return (AX<String>) o;\n" +
" }\n" +
" X<E> foo(Object o) {\n" +
" return (AX<E>) o;\n" +
" } \n" +
" X<E> baz(Object o) {\n" +
" return (AX<E>) null;\n" +
" }\n" +
" X<String> baz2(BX bx) {\n" +
" return (X<String>) bx;\n" +
" } \n" +
"}\n" +
"class AX<F> extends X<F> {}\n" +
"class BX extends AX<String> {}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 3)\n" +
" return (X<E>) this;\n" +
" ^^^^^^^^^^^\n" +
"Unnecessary cast from X<E> to X<E>\n" +
"----------\n" +
"2. WARNING in X.java (at line 6)\n" +
" return (AX<String>) new X<String>();\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Unnecessary cast from X<String> to AX<String>\n" +
"----------\n" +
"3. WARNING in X.java (at line 9)\n" +
" return (AX<String>) o;\n" +
" ^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from Object to AX<String>\n" +
"----------\n" +
"4. WARNING in X.java (at line 12)\n" +
" return (AX<E>) o;\n" +
" ^^^^^^^^^\n" +
"Type safety: Unchecked cast from Object to AX<E>\n" +
"----------\n" +
"5. WARNING in X.java (at line 15)\n" +
" return (AX<E>) null;\n" +
" ^^^^^^^^^^^^\n" +
"Unnecessary cast from null to AX<E>\n" +
"----------\n" +
"6. WARNING in X.java (at line 18)\n" +
" return (X<String>) bx;\n" +
" ^^^^^^^^^^^^^^\n" +
"Unnecessary cast from BX to X<String>\n" +
"----------\n");
}
public void test0183() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"\n" +
"public class X {\n" +
" \n" +
" {\n" +
" Dictionary<String, Integer> d;\n" +
" Object o;\n" +
" \n" +
" Object a1 = (Hashtable<String,Integer>) d;\n" +
" Object a2 = (Hashtable) o;\n" +
"\n" +
" Object a3 = (Hashtable<Float, Double>) d;\n" +
" Object a4 = (Hashtable<String,Integer>) o;\n" +
" \n" +
" abstract class Z1 extends Hashtable<String,Integer> {\n" +
" private static final long serialVersionUID = 1L;\n" +
" }\n" +
" Z1 z1;\n" +
" Object a5 = (Hashtable<String,Integer>) z1;\n" +
"\n" +
" abstract class Z2 extends Z1 {\n" +
" private static final long serialVersionUID = 1L;\n" +
" }\n" +
" Object a6 = (Z2) z1;\n" +
"\n" +
" abstract class Z3 extends Hashtable {\n" +
" private static final long serialVersionUID = 1L;\n" +
" }\n" +
" Z3 z3;\n" +
" Object a7 = (Hashtable<String,Integer>) z3;\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 9)\n" +
" Object a1 = (Hashtable<String,Integer>) d;\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Unnecessary cast from Dictionary<String,Integer> to Hashtable<String,Integer>\n" +
"----------\n" +
"2. WARNING in X.java (at line 10)\n" +
" Object a2 = (Hashtable) o;\n" +
" ^^^^^^^^^^^^^\n" +
"Unnecessary cast from Object to Hashtable\n" +
"----------\n" +
"3. WARNING in X.java (at line 10)\n" +
" Object a2 = (Hashtable) o;\n" +
" ^^^^^^^^^\n" +
"Hashtable is a raw type. References to generic type Hashtable<K,V> should be parameterized\n" +
"----------\n" +
"4. ERROR in X.java (at line 12)\n" +
" Object a3 = (Hashtable<Float, Double>) d;\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Cannot cast from Dictionary<String,Integer> to Hashtable<Float,Double>\n" +
"----------\n" +
"5. WARNING in X.java (at line 12)\n" +
" Object a3 = (Hashtable<Float, Double>) d;\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Unnecessary cast from Dictionary<String,Integer> to Hashtable<Float,Double>\n" +
"----------\n" +
"6. WARNING in X.java (at line 13)\n" +
" Object a4 = (Hashtable<String,Integer>) o;\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from Object to Hashtable<String,Integer>\n" +
"----------\n" +
"7. WARNING in X.java (at line 13)\n" +
" Object a4 = (Hashtable<String,Integer>) o;\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Unnecessary cast from Object to Hashtable<String,Integer>\n" +
"----------\n" +
"8. WARNING in X.java (at line 19)\n" +
" Object a5 = (Hashtable<String,Integer>) z1;\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Unnecessary cast from Z1 to Hashtable<String,Integer>\n" +
"----------\n" +
"9. WARNING in X.java (at line 24)\n" +
" Object a6 = (Z2) z1;\n" +
" ^^^^^^^\n" +
"Unnecessary cast from Z1 to Z2\n" +
"----------\n" +
"10. WARNING in X.java (at line 26)\n" +
" abstract class Z3 extends Hashtable {\n" +
" ^^^^^^^^^\n" +
"Hashtable is a raw type. References to generic type Hashtable<K,V> should be parameterized\n" +
"----------\n" +
"11. WARNING in X.java (at line 30)\n" +
" Object a7 = (Hashtable<String,Integer>) z3;\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from Z3 to Hashtable<String,Integer>\n" +
"----------\n" +
"12. WARNING in X.java (at line 30)\n" +
" Object a7 = (Hashtable<String,Integer>) z3;\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Unnecessary cast from Z3 to Hashtable<String,Integer>\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=62292 - parameterized message send
public void test0184() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
"\n" +
" static <T, U> T foo(T t, U u) {\n" +
" return t;\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" System.out.println(X.<String,X>foo(\"SUCCESS\", null));\n" +
" }\n" +
"}\n",
},
"SUCCESS");
}
// parameterized message send - variation on 184 with non-static generic method
public void test0185() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
"\n" +
" <T, U> T foo(T t, U u) {\n" +
" return t;\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" System.out.println(new X().<String,X>foo(\"SUCCESS\", null));\n" +
" }\n" +
"}\n",
},
"SUCCESS");
}
// message send parameterized with type not matching parameter bounds
public void test0186() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
"\n" +
" <T, U extends String> T foo(T t, U u) {\n" +
" return t;\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" System.out.println(new X().<String, X>foo(\"SUCCESS\", null));\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 3)\n" +
" <T, U extends String> T foo(T t, U u) {\n" +
" ^^^^^^\n" +
"The type parameter U should not be bounded by the final type String. Final types cannot be further extended\n" +
"----------\n" +
"2. ERROR in X.java (at line 7)\n" +
" System.out.println(new X().<String, X>foo(\"SUCCESS\", null));\n" +
" ^^^\n" +
"Bound mismatch: The generic method foo(T, U) of type X is not applicable for the arguments (String, null). The inferred type X is not a valid substitute for the bounded parameter <U extends String>\n" +
"----------\n");
}
// invalid type argument arity for parameterized message send
public void test0187() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
"\n" +
" <T, U extends String> T foo(T t, U u) {\n" +
" return t;\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" System.out.println(new X().<String>foo(\"SUCCESS\", null));\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 3)\n" +
" <T, U extends String> T foo(T t, U u) {\n" +
" ^^^^^^\n" +
"The type parameter U should not be bounded by the final type String. Final types cannot be further extended\n" +
"----------\n" +
"2. ERROR in X.java (at line 7)\n" +
" System.out.println(new X().<String>foo(\"SUCCESS\", null));\n" +
" ^^^\n" +
"Incorrect number of type arguments for generic method <T, U>foo(T, U) of type X; it cannot be parameterized with arguments <String>\n" +
"----------\n");
}
// parameterized invocation of non generic method with incorrect argument count
public void test0188() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
"\n" +
" void foo() {\n" +
" return;\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" System.out.println(new X().<String>foo(\"SUCCESS\", null));\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 7)\n" +
" System.out.println(new X().<String>foo(\"SUCCESS\", null));\n" +
" ^^^\n" +
"The method foo() in the type X is not applicable for the arguments (String, null)\n" +
"----------\n");
}
// parameterized invocation of non generic method
public void test0189() {
String expectedOutput = this.complianceLevel < ClassFileConstants.JDK1_7
? "----------\n" +
"1. ERROR in X.java (at line 7)\n" +
" System.out.println(new X().<String>foo());\n" +
" ^^^\n" +
"The method foo() of type X is not generic; it cannot be parameterized with arguments <String>\n" +
"----------\n"
: "----------\n" +
"1. ERROR in X.java (at line 7)\n" +
" System.out.println(new X().<String>foo());\n" +
" ^^^^^^^\n" +
"The method println(boolean) in the type PrintStream is not applicable for the arguments (void)\n" +
"----------\n" +
"2. WARNING in X.java (at line 7)\n" +
" System.out.println(new X().<String>foo());\n" +
" ^^^^^^\n" +
"Unused type arguments for the non generic method foo() of type X; it should not be parameterized with arguments <String>\n" +
"----------\n";
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
"\n" +
" void foo() {\n" +
" return;\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" System.out.println(new X().<String>foo());\n" +
" }\n" +
"}\n",
},
expectedOutput);
}
// parameterized allocation
public void test0190() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" public <T> X(T t){\n" +
" System.out.println(t);\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" new <String>X(\"SUCCESS\");\n" +
" }\n" +
"}\n",
},
"SUCCESS");
}
// parameterized allocation - wrong arity
public void test0191() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" public <T> X(T t){\n" +
" System.out.println(t);\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" new <String, String>X(\"FAILED\");\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 6)\n" +
" new <String, String>X(\"FAILED\");\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Incorrect number of type arguments for generic constructor <T>X(T) of type X; it cannot be parameterized with arguments <String, String>\n" +
"----------\n");
}
// parameterized allocation - non generic target constructor
// **
public void test0192() {
if (this.complianceLevel < ClassFileConstants.JDK1_7) {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" public X(String t){\n" +
" System.out.println(t);\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" new <String>X(\"FAILED\");\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 6)\n" +
" new <String>X(\"FAILED\");\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^\n" +
"The constructor X(String) of type X is not generic; it cannot be parameterized with arguments <String>\n" +
"----------\n");
return;
}
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" public X(String t){\n" +
" System.out.println(t);\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" new <String>X(\"FAILED\");\n" +
" Zork z;\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 6)\n" +
" new <String>X(\"FAILED\");\n" +
" ^^^^^^\n" +
"Unused type arguments for the non generic constructor X(String) of type X; it should not be parameterized with arguments <String>\n" +
"----------\n" +
"2. ERROR in X.java (at line 7)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
// parameterized allocation - argument type mismatch
public void test0193() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" public <T> X(T t){\n" +
" System.out.println(t);\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" new <String>X(new X(null));\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 6)\n" +
" new <String>X(new X(null));\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"The parameterized constructor <String>X(String) of type X is not applicable for the arguments (X)\n" +
"----------\n");
}
// parameterized invocation - argument type mismatch
public void test0194() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
"\n" +
" <T> void foo(T t) {\n" +
" return;\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" System.out.println(new X().<String>foo(new X()));\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 7)\n" +
" System.out.println(new X().<String>foo(new X()));\n" +
" ^^^\n" +
"The parameterized method <String>foo(String) of type X is not applicable for the arguments (X)\n" +
"----------\n");
}
// parameterized qualified allocation
public void test0195() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" public class MX {\n" +
" public <T> MX(T t){\n" +
" System.out.println(t);\n" +
" }\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" new X().new <String>MX(\"SUCCESS\");\n" +
" }\n" +
"}\n",
},
"SUCCESS");
}
// parameterized qualified allocation - wrong arity
public void test0196() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" public class MX {\n" +
" public <T> MX(T t){\n" +
" System.out.println(t);\n" +
" }\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" new X().new <String,String>MX(\"FAILED\");\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 8)\n" +
" new X().new <String,String>MX(\"FAILED\");\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Incorrect number of type arguments for generic constructor <T>MX(T) of type X.MX; it cannot be parameterized with arguments <String, String>\n" +
"----------\n");
}
// parameterized qualified allocation - non generic target constructor
// **
public void test0197() {
if (this.complianceLevel < ClassFileConstants.JDK1_7) {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" public class MX {\n" +
" public MX(String t){\n" +
" System.out.println(t);\n" +
" }\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" new X().new <String>MX(\"FAILED\");\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 8)\n" +
" new X().new <String>MX(\"FAILED\");\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"The constructor MX(String) of type X.MX is not generic; it cannot be parameterized with arguments <String>\n" +
"----------\n");
return;
}
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" public class MX {\n" +
" public MX(String t){\n" +
" System.out.println(t);\n" +
" }\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" new X().new <String>MX(\"FAILED\");\n" +
" Zork z;\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 8)\n" +
" new X().new <String>MX(\"FAILED\");\n" +
" ^^^^^^\n" +
"Unused type arguments for the non generic constructor X.MX(String) of type X.MX; it should not be parameterized with arguments <String>\n" +
"----------\n" +
"2. ERROR in X.java (at line 9)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
// parameterized qualified allocation - argument type mismatch
public void test0198() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" public class MX {\n" +
" public <T>MX(T t){\n" +
" System.out.println(t);\n" +
" }\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" new X().new <String>MX(new X());\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 8)\n" +
" new X().new <String>MX(new X());\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"The parameterized constructor <String>MX(String) of type X.MX is not applicable for the arguments (X)\n" +
"----------\n");
}
// parameterized explicit constructor call
public void test0199() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" public <T> X(T t){\n" +
" System.out.println(t);\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" class Local extends X {\n" +
" Local() {\n" +
" <String>super(\"SUCCESS\");\n" +
" }\n" +
" };\n" +
" new Local();\n" +
" }\n" +
"}\n",
},
"SUCCESS");
}
// parameterized explicit constructor call - wrong arity
public void test0200() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" public <T> X(T t){\n" +
" System.out.println(t);\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" class Local extends X {\n" +
" Local() {\n" +
" <String,String>super(\"FAILED\");\n" +
" }\n" +
" };\n" +
" new Local();\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 8)\n" +
" <String,String>super(\"FAILED\");\n" +
" ^^^^^^^^^^^^^^^^\n" +
"Incorrect number of type arguments for generic constructor <T>X(T) of type X; it cannot be parameterized with arguments <String, String>\n" +
"----------\n");
}
// parameterized explicit constructor call - non generic target constructor
// **
public void test0201() {
if (this.complianceLevel < ClassFileConstants.JDK1_7) {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" public X(String t){\n" +
" System.out.println(t);\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" class Local extends X {\n" +
" Local() {\n" +
" <String>super(\"FAILED\");\n" +
" }\n" +
" };\n" +
" new Local();\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 8)\n" +
" <String>super(\"FAILED\");\n" +
" ^^^^^^^^^^^^^^^^\n" +
"The constructor X(String) of type X is not generic; it cannot be parameterized with arguments <String>\n" +
"----------\n");
return;
}
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" public X(String t){\n" +
" System.out.println(t);\n" +
" Zork z;\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" class Local extends X {\n" +
" Local() {\n" +
" <String>super(\"FAILED\");\n" +
" }\n" +
" };\n" +
" new Local();\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n" +
"2. WARNING in X.java (at line 9)\n" +
" <String>super(\"FAILED\");\n" +
" ^^^^^^\n" +
"Unused type arguments for the non generic constructor X(String) of type X; it should not be parameterized with arguments <String>\n" +
"----------\n");
}
// parameterized explicit constructor call - argument type mismatch
public void test0202() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" public <T> X(T t){\n" +
" System.out.println(t);\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" class Local extends X {\n" +
" Local() {\n" +
" <String>super(new X(null));\n" +
" }\n" +
" };\n" +
" new Local();\n" +
" }\n" +
"}\n", },
"----------\n" +
"1. ERROR in X.java (at line 8)\n" +
" <String>super(new X(null));\n" +
" ^^^^^^^^^^^^^^^^^^^\n" +
"The parameterized constructor <String>X(String) of type X is not applicable for the arguments (X)\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=62822 - supertypes partially resolved during bound check
public void test0203() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" public static void main(String[] args) {\n" +
" demo.AD ad;\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
"}\n",
"demo/AD.java",
"package demo;\n" +
"public interface AD extends LIST<ADXP> {}\n",
"demo/ADXP.java",
"package demo;\n" +
"public interface ADXP extends BIN {}\n",
"demo/ANY.java",
"package demo;\n" +
"public interface ANY {}\n",
"demo/BL.java",
"package demo;\n" +
"public interface BL extends ANY {}\n",
"demo/LIST.java",
"package demo;\n" +
"public interface LIST<T extends ANY> extends ANY {}\n",
"demo/BIN.java",
"package demo;\n" +
"public interface BIN extends LIST<BL> {}\n",
},
"SUCCESS");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=62806
public void test0204() {
this.runConformTest(
new String[] {
"Function.java",
"public abstract class Function<Y,X> {\n" +
" public abstract Y eval(X x);\n" +
"\n" +
"}\n",
"FunctionMappedComparator.java",
"import java.util.*;\n" +
"public class FunctionMappedComparator<Y,X> implements Comparator<X> {\n" +
" /*\n" +
" * \'Function\' is highlighted as an error here - the message is:\n" +
" * The type Function is not generic; it cannot be parameterized with arguments <Y, X>\n" +
" */\n" +
" protected Function<Y,X> function;\n" +
" protected Comparator<Y> comparator;\n" +
" public FunctionMappedComparator(Function<Y,X> function,Comparator<Y> comparator ) {\n" +
" this.function=function;\n" +
" this.comparator=comparator;\n" +
" }\n" +
"\n" +
" public int compare(X x1, X x2) {\n" +
" return comparator.compare(function.eval(x1),function.eval(x2));\n" +
" }\n" +
"}\n",
},
"");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=63555 - reference to static type parameter allowed inside type itself
public void test0205() {
this.runConformTest(
new String[] {
"Alpha.java",
"public class Alpha {\n" +
" static class Beta<T> {\n" +
" T obj;\n" +
" }\n" +
"}\n",
},
"");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=63555 - variation on static method type parameter
public void test0206() {
this.runConformTest(
new String[] {
"Alpha.java",
"public class Alpha {\n" +
" static <T> void Beta(T t) {\n" +
" }\n" +
"}\n",
},
"");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=63590 - disallow parameterized type in catch/throws clause
public void test0207() {
this.runNegativeTest(
new String[] {
"Alpha.java",
"public class Alpha<T> extends RuntimeException {\n" +
" public static void main(String[] args) {\n" +
" new Object() {\n" +
" public void m() throws Alpha<String> {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
" }.m();\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. WARNING in Alpha.java (at line 1)\n" +
" public class Alpha<T> extends RuntimeException {\n" +
" ^^^^^\n" +
"The serializable class Alpha does not declare a static final serialVersionUID field of type long\n" +
"----------\n" +
"2. ERROR in Alpha.java (at line 1)\n" +
" public class Alpha<T> extends RuntimeException {\n" +
" ^^^^^^^^^^^^^^^^\n" +
"The generic class Alpha<T> may not subclass java.lang.Throwable\n" +
"----------\n" +
"3. ERROR in Alpha.java (at line 4)\n" +
" public void m() throws Alpha<String> {\n" +
" ^^^^^\n" +
"Cannot use the parameterized type Alpha<String> either in catch block or throws clause\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=63590 - disallow parameterized type in catch/throws clause
public void test0208() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T> extends RuntimeException {\n" +
" public static void main(String[] args) {\n" +
" try {\n" +
" throw new X<String>();\n" +
" } catch(X<String> e) {\n" +
" System.out.println(\"X<String>\");\n" +
" } catch(X<X<String>> e) {\n" +
" System.out.println(\"X<X<String>>\");\n" +
" } catch(RuntimeException e) {\n" +
" System.out.println(\"RuntimeException\");\n" +
" }\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 1)\n" +
" public class X<T> extends RuntimeException {\n" +
" ^\n" +
"The serializable class X does not declare a static final serialVersionUID field of type long\n" +
"----------\n" +
"2. ERROR in X.java (at line 1)\n" +
" public class X<T> extends RuntimeException {\n" +
" ^^^^^^^^^^^^^^^^\n" +
"The generic class X<T> may not subclass java.lang.Throwable\n" +
"----------\n" +
"3. ERROR in X.java (at line 5)\n" +
" } catch(X<String> e) {\n" +
" ^\n" +
"Cannot use the parameterized type X<String> either in catch block or throws clause\n" +
"----------\n" +
"4. ERROR in X.java (at line 7)\n" +
" } catch(X<X<String>> e) {\n" +
" ^\n" +
"Cannot use the parameterized type X<X<String>> either in catch block or throws clause\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=63556 - should resolve all occurrences of A to type variable
public void test0209() {
this.runConformTest(
new String[] {
"X.java",
"public class X<A,B,C extends java.util.List<A>> {}\n" +
"class X2<A,C extends java.util.List<A>, B> {}\n" +
"class X3<B, A,C extends java.util.List<A>> {}\n",
},
"");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=68006 - Invalid modifier after parse
public void test0210() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" void foo(Map<? super Object, ? extends String> m){\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 2)\n" +
" void foo(Map<? super Object, ? extends String> m){\n" +
" ^^^\n" +
"Map cannot be resolved to a type\n" +
"----------\n");
}
// test compilation against binaries
public void test0211() {
this.runConformTest(
new String[] {
"p/Top.java",
"package p;\n" +
"public interface Top<T> {}\n",
},
"");
this.runConformTest(
new String[] {
"p/Super.java",
"package p;\n" +
"public class Super<T> implements Top<T>{\n" +
" public static void main(String [] args) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
"}\n",
},
"SUCCESS",
null,
false, // do not flush output
null);
}
// check type variable equivalence
public void test0212() {
this.runConformTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"\n" +
"public class X<T>{\n" +
" public static void main(String [] args) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
" X<T> _recurse; \n" +
" public List<T> toList(){\n" +
" List<T> result = new ArrayList<T>();\n" +
" result.addAll(_recurse.toList()); // should be applicable\n" +
" return result;\n" +
" }\n" +
"}\n"
},
"SUCCESS");
}
public void test0213() {
this.runConformTest(
new String[] {
"X.java",
"public class X<R,T extends Comparable<T>>{\n" +
" T test;\n" +
" public Comparable<? extends T> getThis(){\n" +
" return test;\n" +
" }\n" +
" public static void main(String [] args) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
"}\n"
},
"SUCCESS");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=68133 - verify error
public void test0214() {
this.runConformTest(
new String[] {
"X.java",
"import java.util.ArrayList;\n" +
"public class X {\n" +
" public static void main(String[] args) {\n" +
" ArrayList<Object> l;\n" +
" switch (args.length) {\n" +
" case 1:\n" +
" l = new ArrayList<Object>();\n" +
" System.out.println(l);\n" +
" break;\n" +
" default:\n" +
" System.out.println(\"SUCCESS\");\n" +
" return;\n" +
" }\n" +
" }\n" +
"}\n"
},
"SUCCESS");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=68133 variation
public void test0215() throws Exception {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" public static void main(String[] args) {\n" +
" java.util.ArrayList<Object> i; \n" +
" outer: {\n" +
" if (args == null) {\n" +
" i = null;\n" +
" break outer;\n" +
" }\n" +
" return;\n" +
" }\n" +
" System.out.println(i); \n" +
" System.out.println(\"SUCCESS\"); \n" +
" }\n" +
"}\n",
},
"");
String expectedOutput =
" // Method descriptor #15 ([Ljava/lang/String;)V\n" +
" // Stack: 2, Locals: 2\n" +
" public static void main(java.lang.String[] args);\n" +
" 0 aload_0 [args]\n" +
" 1 ifnonnull 9\n" +
" 4 aconst_null\n" +
" 5 astore_1 [i]\n" +
" 6 goto 10\n" +
" 9 return\n" +
" 10 getstatic java.lang.System.out : java.io.PrintStream [16]\n" +
" 13 aload_1 [i]\n" +
" 14 invokevirtual java.io.PrintStream.println(java.lang.Object) : void [22]\n" +
" 17 getstatic java.lang.System.out : java.io.PrintStream [16]\n" +
" 20 ldc <String \"SUCCESS\"> [28]\n" +
" 22 invokevirtual java.io.PrintStream.println(java.lang.String) : void [30]\n" +
" 25 return\n" +
" Line numbers:\n" +
" [pc: 0, line: 5]\n" +
" [pc: 4, line: 6]\n" +
" [pc: 6, line: 7]\n" +
" [pc: 9, line: 9]\n" +
" [pc: 10, line: 11]\n" +
" [pc: 17, line: 12]\n" +
" [pc: 25, line: 13]\n" +
" Local variable table:\n" +
" [pc: 0, pc: 26] local: args index: 0 type: java.lang.String[]\n" +
" [pc: 6, pc: 9] local: i index: 1 type: java.util.ArrayList\n" +
" [pc: 10, pc: 26] local: i index: 1 type: java.util.ArrayList\n" +
" Local variable type table:\n" +
" [pc: 6, pc: 9] local: i index: 1 type: java.util.ArrayList<java.lang.Object>\n" +
" [pc: 10, pc: 26] local: i index: 1 type: java.util.ArrayList<java.lang.Object>\n";
File f = new File(OUTPUT_DIR + File.separator + "X.class");
byte[] classFileBytes = org.eclipse.jdt.internal.compiler.util.Util.getFileByteContent(f);
ClassFileBytesDisassembler disassembler = ToolFactory.createDefaultClassFileBytesDisassembler();
String result = disassembler.disassemble(classFileBytes, "\n", ClassFileBytesDisassembler.DETAILED);
int index = result.indexOf(expectedOutput);
if (index == -1 || expectedOutput.length() == 0) {
System.out.println(Util.displayString(result, 3));
}
if (index == -1) {
assertEquals("Wrong contents", expectedOutput, result);
}
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=68998 parameterized field constants
public void test0216() {
this.runConformTest(
new String[] {
"test/cheetah/NG.java",
"package test.cheetah;\n" +
"public class NG extends G {\n" +
" public static void main(String[] args) {\n" +
" System.out.println(\"SUCCESS\"); \n" +
" }\n" +
" public boolean test() {\n" +
" return o == null;\n" +
" }\n" +
"}\n",
"test/cheetah/G.java",
"package test.cheetah;\n" +
"public class G<E> {\n" +
" protected Object o;\n" +
"}\n",
},
"SUCCESS");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=69135 - unnecessary cast operation
public void test0217() {
Map customOptions = getCompilerOptions();
runConformTest(
// test directory preparation
true /* flush output directory */,
new String[] { /* test files */
"X.java",
"import java.util.ArrayList;\n" +
"public class X {\n" +
" public static void main(String [] args) {\n" +
" ArrayList<String> l= new ArrayList<String>();\n" +
" String string = (String) l.get(0);\n" +
" }\n" +
"}\n",
},
// compiler options
null /* no class libraries */,
customOptions /* custom options */,
// compiler results
"----------\n" + /* expected compiler log */
"1. WARNING in X.java (at line 5)\n" +
" String string = (String) l.get(0);\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"Unnecessary cast from String to String\n" +
"----------\n",
// runtime results
null /* do not check output string */,
"java.lang.IndexOutOfBoundsException" /* do not check error string */,
// javac options
JavacTestOptions.Excuse.EclipseHasSomeMoreWarnings /* javac test options */);
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=64154 visibility issue due to invalid use of parameterized binding
public void test0218() {
this.runConformTest(
new String[] {
"X.java",
"public class X<T>{\n" +
" private final T _data;\n" +
" private X(T data){\n" +
" _data = data;\n" +
" }\n" +
" public T getData(){\n" +
" return _data;\n" +
" }\n" +
" public static <E> X<E> create(E data) {\n" +
" return new X<E>(data);\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" create(new Object());\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
"}\n",
},
"SUCCESS");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=64154 variation
public void test0219() {
this.runConformTest(
new String[] {
"X.java",
"public class X<T>{\n" +
" private final T _data;\n" +
" private X(T data){\n" +
" _data = data;\n" +
" }\n" +
" public T getData(){\n" +
" return _data;\n" +
" }\n" +
" public static <E> E create(E data) {\n" +
" return new X<E>(data)._data;\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" create(new Object());\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
"}\n",
},
"SUCCESS");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=69141 unsafe wildcard operation tolerates wildcard with lower bounds
public void test0220() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.ArrayList;\n" +
"\n" +
"public class X {\n" +
" void foo() {\n" +
" ArrayList<? super Integer> al = new ArrayList<Object>();\n" +
" al.add(new Integer(1)); // (1)\n" +
" Integer i = al.get(0); // (2)\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 7)\n" +
" Integer i = al.get(0); // (2)\n" +
" ^^^^^^^^^\n" +
"Type mismatch: cannot convert from capture#2-of ? super Integer to Integer\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=69141 variation
public void test0221() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.ArrayList;\n" +
"\n" +
"public class X {\n" +
" void foo() {\n" +
" ArrayList<? extends Integer> al = new ArrayList<Integer>();\n" +
" al.add(new Integer(1)); // (1)\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 6)\n" +
" al.add(new Integer(1)); // (1)\n" +
" ^^^\n" +
"The method add(capture#1-of ? extends Integer) in the type ArrayList<capture#1-of ? extends Integer> is not applicable for the arguments (Integer)\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=69141: variation
public void test0222() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" public static void main(String[] args) {\n" +
" XList<? super Integer> lx = new XList<Integer>();\n" +
" lx.slot = new Integer(1);\n" +
" Integer i = lx.slot;\n" +
" } \n" +
"}\n" +
"class XList<E> {\n" +
" E slot;\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 5)\n" +
" Integer i = lx.slot;\n" +
" ^^^^^^^\n" +
"Type mismatch: cannot convert from capture#2-of ? super Integer to Integer\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=69251- instantiating wildcards
public void test0223() {
Map customOptions = getCompilerOptions();
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.HashMap;\n" +
"import java.util.Map;\n" +
"public class X {\n" +
" static final Map<String, Class<? extends Object>> classes \n" +
" = new HashMap<String, Class<? extends Object>>();\n" +
" \n" +
" static final Map<String, Class<? extends Object>> classes2 \n" +
" = new HashMap<String, Class>();\n" +
" \n" +
" class MX<E> {\n" +
" E get() { return null; }\n" +
" void foo(E e) {}\n" +
" }\n" +
" \n" +
" void foo() {\n" +
" MX<Class<? extends Object>> mx1 = new MX<Class<? extends Object>>();\n" +
" MX<Class> mx2 = new MX<Class>();\n" +
" mx1.foo(mx2.get());\n" +
" }\n" +
"}\n" ,
},
"----------\n" +
"1. ERROR in X.java (at line 8)\n" +
" = new HashMap<String, Class>();\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from HashMap<String,Class> to Map<String,Class<? extends Object>>\n" +
"----------\n" +
"2. WARNING in X.java (at line 8)\n" +
" = new HashMap<String, Class>();\n" +
" ^^^^^\n" +
"Class is a raw type. References to generic type Class<T> should be parameterized\n" +
"----------\n" +
"3. WARNING in X.java (at line 17)\n" +
" MX<Class> mx2 = new MX<Class>();\n" +
" ^^^^^\n" +
"Class is a raw type. References to generic type Class<T> should be parameterized\n" +
"----------\n" +
"4. WARNING in X.java (at line 17)\n" +
" MX<Class> mx2 = new MX<Class>();\n" +
" ^^^^^\n" +
"Class is a raw type. References to generic type Class<T> should be parameterized\n" +
"----------\n" +
"5. WARNING in X.java (at line 18)\n" +
" mx1.foo(mx2.get());\n" +
" ^^^^^^^^^\n" +
"Type safety: The expression of type Class needs unchecked conversion to conform to Class<? extends Object>\n" +
"----------\n",
null,
true,
customOptions);
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=68998 variation
public void test0224() {
this.runNegativeTest(
new String[] {
"test/cheetah/NG.java",
"package test.cheetah;\n" +
"public class NG extends G {\n" +
" public static void main(String[] args) {\n" +
" System.out.println(\"SUCCESS\"); \n" +
" }\n" +
" public boolean test() {\n" +
" return o == null;\n" +
" }\n" +
"}\n",
"test/cheetah/G.java",
"package test.cheetah;\n" +
"public class G<E> {\n" +
" protected final Object o;\n" +
"}\n",
},
"----------\n" +
"1. WARNING in test\\cheetah\\NG.java (at line 2)\n" +
" public class NG extends G {\n" +
" ^\n" +
"G is a raw type. References to generic type G<E> should be parameterized\n" +
"----------\n" +
"----------\n" +
"1. ERROR in test\\cheetah\\G.java (at line 3)\n" +
" protected final Object o;\n" +
" ^\n" +
"The blank final field o may not have been initialized\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=69353 - prevent using type parameter in catch block
public void test0225() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X <T extends Exception> {\n" +
" String foo() throws T {\n" +
" return \"SUCCESS\";\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" new X<EX>().baz(new EX());\n" +
" }\n" +
" void baz(final T t) {\n" +
" new Object() {\n" +
" void print() {\n" +
" try {\n" +
" System.out.println(foo());\n" +
" } catch (T t) {\n" +
" }\n" +
" }\n" +
" }.print();\n" +
" }\n" +
"}\n" +
"class EX extends Exception {\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 13)\n" +
" } catch (T t) {\n" +
" ^\n" +
"Cannot use the type parameter T in a catch block\n" +
"----------\n" +
"2. WARNING in X.java (at line 13)\n" +
" } catch (T t) {\n" +
" ^\n" +
"The parameter t is hiding another local variable defined in an enclosing scope\n" +
"----------\n" +
"3. WARNING in X.java (at line 19)\n" +
" class EX extends Exception {\n" +
" ^^\n" +
"The serializable class EX does not declare a static final serialVersionUID field of type long\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=69170 - invalid generic array creation
public void test0226() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T>{\n" +
" Object x1= new T[0];\n" +
" Object x2= new X<String>[0]; \n" +
" Object x3= new X<T>[0]; \n" +
" Object x4= new X[0]; \n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 2)\n" +
" Object x1= new T[0];\n" +
" ^^^^^^^^\n" +
"Cannot create a generic array of T\n" +
"----------\n" +
"2. ERROR in X.java (at line 3)\n" +
" Object x2= new X<String>[0]; \n" +
" ^^^^^^^^^^^^^^^^\n" +
"Cannot create a generic array of X<String>\n" +
"----------\n" +
"3. ERROR in X.java (at line 4)\n" +
" Object x3= new X<T>[0]; \n" +
" ^^^^^^^^^^^\n" +
"Cannot create a generic array of X<T>\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=69359 - unsafe cast diagnosis
public void test0227() {
this.runNegativeTest(
new String[] {
"X.java",
" import java.util.*;\n" +
" public class X {\n" +
" List list() { return null; }\n" +
" void m() { List<X> l = (List<X>)list(); } // unsafe cast\n" +
" void m0() { List<X> l = list(); } // unsafe conversion\n" +
" void m1() { for (X a : list()); } // type mismatch\n" +
" void m2() { for (Iterator<X> i = list().iterator(); i.hasNext();); } // unsafe conversion\n" +
" void m3() { Collection c = null; List l = (List<X>)c; } // unsafe cast\n" +
" void m4() { Collection c = null; List l = (List<?>)c; } // ok\n" +
" void m5() { List c = null; List l = (Collection<X>)c; } // type mismatch\n" +
" void m6() { List c = null; List l = (Collection<?>)c; } // type mismatch\n" +
"}\n" ,
},
"----------\n" +
"1. WARNING in X.java (at line 3)\n" +
" List list() { return null; }\n" +
" ^^^^\n" +
"List is a raw type. References to generic type List<E> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 4)\n" +
" void m() { List<X> l = (List<X>)list(); } // unsafe cast\n" +
" ^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from List to List<X>\n" +
"----------\n" +
"3. WARNING in X.java (at line 4)\n" +
" void m() { List<X> l = (List<X>)list(); } // unsafe cast\n" +
" ^^^^^^^^^^^^^^^\n" +
"Unnecessary cast from List to List<X>\n" +
"----------\n" +
"4. WARNING in X.java (at line 5)\n" +
" void m0() { List<X> l = list(); } // unsafe conversion\n" +
" ^^^^^^\n" +
"Type safety: The expression of type List needs unchecked conversion to conform to List<X>\n" +
"----------\n" +
"5. ERROR in X.java (at line 6)\n" +
" void m1() { for (X a : list()); } // type mismatch\n" +
" ^^^^^^\n" +
"Type mismatch: cannot convert from element type Object to X\n" +
"----------\n" +
"6. WARNING in X.java (at line 7)\n" +
" void m2() { for (Iterator<X> i = list().iterator(); i.hasNext();); } // unsafe conversion\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"Type safety: The expression of type Iterator needs unchecked conversion to conform to Iterator<X>\n" +
"----------\n" +
"7. WARNING in X.java (at line 8)\n" +
" void m3() { Collection c = null; List l = (List<X>)c; } // unsafe cast\n" +
" ^^^^^^^^^^\n" +
"Collection is a raw type. References to generic type Collection<E> should be parameterized\n" +
"----------\n" +
"8. WARNING in X.java (at line 8)\n" +
" void m3() { Collection c = null; List l = (List<X>)c; } // unsafe cast\n" +
" ^^^^\n" +
"List is a raw type. References to generic type List<E> should be parameterized\n" +
"----------\n" +
"9. WARNING in X.java (at line 8)\n" +
" void m3() { Collection c = null; List l = (List<X>)c; } // unsafe cast\n" +
" ^^^^^^^^^^\n" +
"Type safety: Unchecked cast from Collection to List<X>\n" +
"----------\n" +
"10. WARNING in X.java (at line 9)\n" +
" void m4() { Collection c = null; List l = (List<?>)c; } // ok\n" +
" ^^^^^^^^^^\n" +
"Collection is a raw type. References to generic type Collection<E> should be parameterized\n" +
"----------\n" +
"11. WARNING in X.java (at line 9)\n" +
" void m4() { Collection c = null; List l = (List<?>)c; } // ok\n" +
" ^^^^\n" +
"List is a raw type. References to generic type List<E> should be parameterized\n" +
"----------\n" +
"12. WARNING in X.java (at line 10)\n" +
" void m5() { List c = null; List l = (Collection<X>)c; } // type mismatch\n" +
" ^^^^\n" +
"List is a raw type. References to generic type List<E> should be parameterized\n" +
"----------\n" +
"13. WARNING in X.java (at line 10)\n" +
" void m5() { List c = null; List l = (Collection<X>)c; } // type mismatch\n" +
" ^^^^\n" +
"List is a raw type. References to generic type List<E> should be parameterized\n" +
"----------\n" +
"14. WARNING in X.java (at line 10)\n" +
" void m5() { List c = null; List l = (Collection<X>)c; } // type mismatch\n" +
" ^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from List to Collection<X>\n" +
"----------\n" +
"15. ERROR in X.java (at line 10)\n" +
" void m5() { List c = null; List l = (Collection<X>)c; } // type mismatch\n" +
" ^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Collection<X> to List\n" +
"----------\n" +
"16. WARNING in X.java (at line 11)\n" +
" void m6() { List c = null; List l = (Collection<?>)c; } // type mismatch\n" +
" ^^^^\n" +
"List is a raw type. References to generic type List<E> should be parameterized\n" +
"----------\n" +
"17. WARNING in X.java (at line 11)\n" +
" void m6() { List c = null; List l = (Collection<?>)c; } // type mismatch\n" +
" ^^^^\n" +
"List is a raw type. References to generic type List<E> should be parameterized\n" +
"----------\n" +
"18. ERROR in X.java (at line 11)\n" +
" void m6() { List c = null; List l = (Collection<?>)c; } // type mismatch\n" +
" ^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Collection<capture#2-of ?> to List\n" +
"----------\n");
}
// conversion from raw to X<?> is safe (no unsafe warning)
public void test0228() {
this.runConformTest(
new String[] {
"X.java",
" import java.util.*;\n" +
" public class X {\n" +
" List<?> list = new ArrayList();\n" +
" }\n",
},
"");
}
// can resolve member through type variable
public void test0229() {
runConformTest(
true,
new String[] {
"X.java",
" public class X <T extends XC> {\n" +
" T.MXC f;\n" +
" public static void main(String[] args) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
" }\n" +
" class XC {\n" +
" class MXC {}\n" +
" }\n",
},
null,
"SUCCESS",
null,
JavacTestOptions.JavacHasABug.JavacBug6569404);
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=69375 - equivalence of wildcards
public void test0230() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.List;\n" +
"\n" +
"public class X {\n" +
" void foo() {\n" +
" List<? extends Integer> li= null;\n" +
" List<? extends Number> ln= null;\n" +
" ln = li;\n" +
" li= ln;\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 8)\n" +
" li= ln;\n" +
" ^^\n" +
"Type mismatch: cannot convert from List<capture#4-of ? extends Number> to List<? extends Integer>\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=69170 - variation
public void test0231() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T>{\n" +
" Object x1= new X<?>[0]; \n" +
" Object x2= new X<? super String>[0]; \n" +
" Object x3= new X<? extends Thread>[0]; \n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 3)\n" +
" Object x2= new X<? super String>[0]; \n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Cannot create a generic array of X<? super String>\n" +
"----------\n" +
"2. ERROR in X.java (at line 4)\n" +
" Object x3= new X<? extends Thread>[0]; \n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Cannot create a generic array of X<? extends Thread>\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=69542 - generic cast should be less strict
public void test0232() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" static class Container<T>{\n" +
" private T val;\n" +
" public T getVal() {\n" +
" return val;\n" +
" }\n" +
" public void setVal(T val) {\n" +
" this.val = val;\n" +
" }\n" +
" }\n" +
" public static void badMethod(Container<?> param){\n" +
" Container x=param;\n" +
" x.setVal(\"BAD\");\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" Container<Integer> cont=new Container<Integer>();\n" +
" cont.setVal(new Integer(0));\n" +
" badMethod(cont);\n" +
" Object someVal = cont.getVal(); // no cast \n" +
" System.out.println(cont.getVal()); // no cast \n" +
" }\n" +
"}\n",
},
"BAD");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=69542 - variation
public void test0233() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" static class Container<T>{\n" +
" private T val;\n" +
" public T getVal() {\n" +
" return val;\n" +
" }\n" +
" public void setVal(T val) {\n" +
" this.val = val;\n" +
" }\n" +
" }\n" +
" public static void badMethod(Container<?> param){\n" +
" Container x=param;\n" +
" x.setVal(new Long(0));\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" Container<Integer> cont=new Container<Integer>();\n" +
" cont.setVal(new Integer(0));\n" +
" badMethod(cont);\n" +
" Number someVal = cont.getVal();// only cast to Number \n" +
" System.out.println(\"SUCCESS\"); \n" +
" }\n" +
"}\n",
},
"SUCCESS");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=69542 - variation
public void test0234() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" static class Container<T>{\n" +
" public T val;\n" +
" public T getVal() {\n" +
" return val;\n" +
" }\n" +
" public void setVal(T val) {\n" +
" this.val = val;\n" +
" }\n" +
" }\n" +
" public static void badMethod(Container<?> param){\n" +
" Container x=param;\n" +
" x.setVal(\"BAD\");\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" Container<Integer> cont=new Container<Integer>();\n" +
" cont.setVal(new Integer(0));\n" +
" badMethod(cont);\n" +
" Object someVal = cont.val; // no cast \n" +
" System.out.println(cont.val); // no cast \n" +
" }\n" +
"}\n",
},
"BAD");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=69542 - variation
public void test0235() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" static class Container<T>{\n" +
" public T val;\n" +
" public T getVal() {\n" +
" return val;\n" +
" }\n" +
" public void setVal(T val) {\n" +
" this.val = val;\n" +
" }\n" +
" }\n" +
" public static void badMethod(Container<?> param){\n" +
" Container x=param;\n" +
" x.setVal(new Long(0));\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" Container<Integer> cont=new Container<Integer>();\n" +
" cont.setVal(new Integer(0));\n" +
" badMethod(cont);\n" +
" Number someVal = cont.val;// only cast to Number \n" +
" System.out.println(\"SUCCESS\"); \n" +
" }\n" +
"}\n",
},
"SUCCESS");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=69542 - variation
public void test0236() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" static class Container<T>{\n" +
" public T val;\n" +
" public T getVal() {\n" +
" return val;\n" +
" }\n" +
" public void setVal(T val) {\n" +
" this.val = val;\n" +
" }\n" +
" }\n" +
" public static void badMethod(Container<?> param){\n" +
" Container x=param;\n" +
" x.setVal(\"BAD\");\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" Container<Integer> cont=new Container<Integer>();\n" +
" cont.setVal(new Integer(0));\n" +
" badMethod(cont);\n" +
" Object someVal = (cont).val; // no cast \n" +
" System.out.println((cont).val); // no cast \n" +
" }\n" +
"}\n",
},
"BAD");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=69542 - variation
public void test0237() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" static class Container<T>{\n" +
" public T val;\n" +
" public T getVal() {\n" +
" return val;\n" +
" }\n" +
" public void setVal(T val) {\n" +
" this.val = val;\n" +
" }\n" +
" }\n" +
" public static void badMethod(Container<?> param){\n" +
" Container x=param;\n" +
" x.setVal(new Long(0));\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" Container<Integer> cont=new Container<Integer>();\n" +
" cont.setVal(new Integer(0));\n" +
" badMethod(cont);\n" +
" Number someVal = (cont).val;// only cast to Number \n" +
" System.out.println(\"SUCCESS\"); \n" +
" }\n" +
"}\n",
},
"SUCCESS");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=69542 - variation
public void test0238() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" static class Container<T>{\n" +
" public T val;\n" +
" Container<T> next;\n" +
" public T getVal() {\n" +
" return val;\n" +
" }\n" +
" public void setVal(T val) {\n" +
" this.val = val;\n" +
" }\n" +
" }\n" +
" public static void badMethod(Container<?> param){\n" +
" Container x=param;\n" +
" x.setVal(\"BAD\");\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" Container<Integer> cont = new Container<Integer>();\n" +
" cont.next = new Container<Integer>();\n" +
" cont.next.setVal(new Integer(0));\n" +
" badMethod(cont.next);\n" +
" Object someVal = cont.next.val; // no cast \n" +
" System.out.println(cont.next.val); // no cast \n" +
" }\n" +
"}\n",
},
"BAD");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=69542 - variation
public void test0239() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" static class Container<T>{\n" +
" public T val;\n" +
" Container<T> next;\n" +
" public T getVal() {\n" +
" return val;\n" +
" }\n" +
" public void setVal(T val) {\n" +
" this.val = val;\n" +
" }\n" +
" }\n" +
" public static void badMethod(Container<?> param){\n" +
" Container x=param;\n" +
" x.setVal(new Long(0));\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" Container<Integer> cont = new Container<Integer>();\n" +
" cont.next = new Container<Integer>();\n" +
" cont.next.setVal(new Integer(0));\n" +
" badMethod(cont.next);\n" +
" Number someVal = cont.next.val;// only cast to Number \n" +
" System.out.println(\"SUCCESS\"); \n" +
" }\n" +
"}\n",
},
"SUCCESS");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=69713 NPE due to length pseudo field
public void test0240() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" String[] elements = null;\n" +
" \n" +
" public X() {\n" +
" String s = \"a, b, c, d\";\n" +
" elements = s.split(\",\");\n" +
" if(elements.length = 3) {\n" +
" }\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 7)\n" +
" if(elements.length = 3) {\n" +
" ^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from int to boolean\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=69776 - missing checkcast on cast operation
public void test0241() {
this.runConformTest(
new String[] {
"X.java",
"import java.util.HashMap;\n" +
"import java.util.Map;\n" +
"public class X {\n" +
" private static final Map<String, Class> classes = new HashMap<String, Class>();\n" +
" public static void main(String[] args) throws Exception {\n" +
" classes.put(\"test\", X.class);\n" +
" final Class<? extends Object> clazz = (Class<? extends Object>) classes.get(\"test\");\n" +
" Object o = clazz.newInstance();\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
"}\n",
},
"SUCCESS");
}
// 69776 - variation
public void test0242() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.HashMap;\n" +
"import java.util.Map;\n" +
"public class X {\n" +
" @SuppressWarnings(\"rawtypes\")\n" +
" private static final Map<String, Class> classes = new HashMap<String, Class>();\n" +
" public static void main(String[] args) throws Exception {\n" +
" classes.put(\"test\", X.class);\n" +
" final Class<? extends Object> clazz = (Class<? extends Object>) classes.get(\"test\");\n" +
" final Class<? extends String> clazz2 = (Class<? extends String>) classes.get(\"test\");\n" +
" final Class<String> clazz3 = (Class<String>) classes.get(\"test\");\n" +
" Object o = clazz.newInstance();\n" +
" }\n" +
"}", // =================
},
"----------\n" +
"1. WARNING in X.java (at line 8)\n" +
" final Class<? extends Object> clazz = (Class<? extends Object>) classes.get(\"test\");\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from Class to Class<? extends Object>\n" +
"----------\n" +
"2. WARNING in X.java (at line 8)\n" +
" final Class<? extends Object> clazz = (Class<? extends Object>) classes.get(\"test\");\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Unnecessary cast from Class to Class<? extends Object>\n" +
"----------\n" +
"3. WARNING in X.java (at line 9)\n" +
" final Class<? extends String> clazz2 = (Class<? extends String>) classes.get(\"test\");\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from Class to Class<? extends String>\n" +
"----------\n" +
"4. WARNING in X.java (at line 9)\n" +
" final Class<? extends String> clazz2 = (Class<? extends String>) classes.get(\"test\");\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Unnecessary cast from Class to Class<? extends String>\n" +
"----------\n" +
"5. WARNING in X.java (at line 10)\n" +
" final Class<String> clazz3 = (Class<String>) classes.get(\"test\");\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from Class to Class<String>\n" +
"----------\n" +
"6. WARNING in X.java (at line 10)\n" +
" final Class<String> clazz3 = (Class<String>) classes.get(\"test\");\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Unnecessary cast from Class to Class<String>\n" +
"----------\n");
}
public void test0243() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" public X foo() {\n" +
" System.out.println(\"Did NOT add bridge method\");\n" +
" return this;\n" +
" }\n" +
" public static void main(String[] args) throws Exception {\n" +
" X x = new A();\n" +
" x.foo();\n" +
" System.out.print(\" + \");\n" +
" I i = new A();\n" +
" i.foo();\n" +
" }\n" +
"}\n" +
"interface I {\n" +
" public I foo();\n" +
"}\n" +
"class A extends X implements I {\n" +
" public A foo() {\n" +
" System.out.print(\"Added bridge method\");\n" +
" return this;\n" +
" }\n" +
"}\n"
},
"Added bridge method + Added bridge method");
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" public X foo() { return this; }\n" +
" public static void main(String[] args) throws Exception {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
"}\n",
"SubTypes.java",
"class A extends X {\n" +
" @Override public A foo() { return this; }\n" +
"}\n" +
"class B extends X {\n" +
" @Override public X foo() { return new X(); }\n" +
" @Override public B foo() { return this; }\n" +
"}\n" +
"class C extends A {\n" +
" @Override public X foo() { return new X(); }\n" +
"}\n"
},
"----------\n" +
"1. ERROR in SubTypes.java (at line 5)\n" +
" @Override public X foo() { return new X(); }\n" +
" ^^^^^\n" +
"Duplicate method foo() in type B\n" +
"----------\n" +
"2. ERROR in SubTypes.java (at line 6)\n" +
" @Override public B foo() { return this; }\n" +
" ^^^^^\n" +
"Duplicate method foo() in type B\n" +
"----------\n" +
"3. ERROR in SubTypes.java (at line 9)\n" +
" @Override public X foo() { return new X(); }\n" +
" ^\n" +
"The return type is incompatible with A.foo()\n" +
"----------\n");
}
// generic method of raw type
public void test0244() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X <T> { \n" +
" <G> T foo(G g) {\n" +
" return null;\n" +
" }\n" +
" \n" +
" public static void main(String[] args) {\n" +
" X rx = new X();\n" +
" rx.foo(\"hello\");\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. WARNING in X.java (at line 7)\n" +
" X rx = new X();\n" +
" ^\n" +
"X is a raw type. References to generic type X<T> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 7)\n" +
" X rx = new X();\n" +
" ^\n" +
"X is a raw type. References to generic type X<T> should be parameterized\n" +
"----------\n" +
"3. WARNING in X.java (at line 8)\n" +
" rx.foo(\"hello\");\n" +
" ^^^^^^^^^^^^^^^\n" +
"Type safety: The method foo(Object) belongs to the raw type X. References to generic type X<T> should be parameterized\n" +
"----------\n");
}
// generic method of raw type
public void test0245() {
if (this.complianceLevel < ClassFileConstants.JDK1_7) {
this.runNegativeTest(
new String[] {
"X.java",
"public class X <T> { \n" +
" <G> T foo(G g) {\n" +
" return null;\n" +
" }\n" +
" T bar(T t) {\n" +
" return zork;\n" +
" }\n" +
"\n" +
" public static void main(String[] args) {\n" +
" X rx = new X();\n" +
" rx.<String>foo(\"hello\"); // Eclipse error here\n" +
" rx.<String>bar(\"hello\"); // Eclipse error here\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 6)\n" +
" return zork;\n" +
" ^^^^\n" +
"zork cannot be resolved to a variable\n" +
"----------\n" +
"2. WARNING in X.java (at line 10)\n" +
" X rx = new X();\n" +
" ^\n" +
"X is a raw type. References to generic type X<T> should be parameterized\n" +
"----------\n" +
"3. WARNING in X.java (at line 10)\n" +
" X rx = new X();\n" +
" ^\n" +
"X is a raw type. References to generic type X<T> should be parameterized\n" +
"----------\n" +
"4. ERROR in X.java (at line 11)\n" +
" rx.<String>foo(\"hello\"); // Eclipse error here\n" +
" ^^^\n" +
"The method foo(Object) of raw type X is no longer generic; it cannot be parameterized with arguments <String>\n" +
"----------\n" +
"5. ERROR in X.java (at line 12)\n" +
" rx.<String>bar(\"hello\"); // Eclipse error here\n" +
" ^^^\n" +
"The method bar(Object) of type X is not generic; it cannot be parameterized with arguments <String>\n" +
"----------\n",
JavacTestOptions.EclipseHasABug.EclipseBug236242);
return;
}
this.runNegativeTest(
new String[] {
"X.java",
"public class X <T> { \n" +
" <G> T foo(G g) {\n" +
" return null;\n" +
" }\n" +
" T bar(T t) {\n" +
" return zork;\n" +
" }\n" +
"\n" +
" public static void main(String[] args) {\n" +
" X rx = new X();\n" +
" rx.<String>foo(\"hello\"); // Eclipse error here\n" +
" rx.<String>bar(\"hello\"); // Eclipse error here\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 6)\n" +
" return zork;\n" +
" ^^^^\n" +
"zork cannot be resolved to a variable\n" +
"----------\n" +
"2. WARNING in X.java (at line 10)\n" +
" X rx = new X();\n" +
" ^\n" +
"X is a raw type. References to generic type X<T> should be parameterized\n" +
"----------\n" +
"3. WARNING in X.java (at line 10)\n" +
" X rx = new X();\n" +
" ^\n" +
"X is a raw type. References to generic type X<T> should be parameterized\n" +
"----------\n" +
"4. WARNING in X.java (at line 11)\n" +
" rx.<String>foo(\"hello\"); // Eclipse error here\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: The method foo(Object) belongs to the raw type X. References to generic type X<T> should be parameterized\n" +
"----------\n" +
"5. WARNING in X.java (at line 12)\n" +
" rx.<String>bar(\"hello\"); // Eclipse error here\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: The method bar(Object) belongs to the raw type X. References to generic type X<T> should be parameterized\n" +
"----------\n" +
"6. WARNING in X.java (at line 12)\n" +
" rx.<String>bar(\"hello\"); // Eclipse error here\n" +
" ^^^^^^\n" +
"Unused type arguments for the non generic method bar(Object) of type X; it should not be parameterized with arguments <String>\n" +
"----------\n",
JavacTestOptions.EclipseHasABug.EclipseBug236242);
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=69320 parameterized type compatibility
public void test0246() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X { \n" +
" class MX<E> {\n" +
" }\n" +
" void foo() {\n" +
" MX<Class<? extends Object>> mx2 = new MX<Class>();\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 5)\n" +
" MX<Class<? extends Object>> mx2 = new MX<Class>();\n" +
" ^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from X.MX<Class> to X.MX<Class<? extends Object>>\n" +
"----------\n" +
"2. WARNING in X.java (at line 5)\n" +
" MX<Class<? extends Object>> mx2 = new MX<Class>();\n" +
" ^^^^^\n" +
"Class is a raw type. References to generic type Class<T> should be parameterized\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=69320 variation
public void test0247() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X { \n" +
" void foo() {\n" +
" MX<Class<? extends Object>> mx2 = new MX<Class>(); // wrong\n" +
" MX<Class<? extends Object>> mx3 = new MX<Class<? extends String>>(); // wrong\n" +
" MX<Class<? extends Object>> mx4 = new MX<Class<String>>(); // wrong\n" +
" MX<? extends Class> mx5 = new MX<Class>(); // ok\n" +
" MX<? super Class> mx6 = new MX<Class>(); // ok\n" +
" MX<Class<? extends Class>> mx7 = new MX<Class<Class>>(); // wrong\n" +
" MX<MX<? extends Class>> mx8 = new MX<MX<Class>>(); // wrong\n" +
" }\n" +
"}\n" +
"\n" +
"class MX<E> {\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 3)\n" +
" MX<Class<? extends Object>> mx2 = new MX<Class>(); // wrong\n" +
" ^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from MX<Class> to MX<Class<? extends Object>>\n" +
"----------\n" +
"2. WARNING in X.java (at line 3)\n" +
" MX<Class<? extends Object>> mx2 = new MX<Class>(); // wrong\n" +
" ^^^^^\n" +
"Class is a raw type. References to generic type Class<T> should be parameterized\n" +
"----------\n" +
"3. ERROR in X.java (at line 4)\n" +
" MX<Class<? extends Object>> mx3 = new MX<Class<? extends String>>(); // wrong\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from MX<Class<? extends String>> to MX<Class<? extends Object>>\n" +
"----------\n" +
"4. ERROR in X.java (at line 5)\n" +
" MX<Class<? extends Object>> mx4 = new MX<Class<String>>(); // wrong\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from MX<Class<String>> to MX<Class<? extends Object>>\n" +
"----------\n" +
"5. WARNING in X.java (at line 6)\n" +
" MX<? extends Class> mx5 = new MX<Class>(); // ok\n" +
" ^^^^^\n" +
"Class is a raw type. References to generic type Class<T> should be parameterized\n" +
"----------\n" +
"6. WARNING in X.java (at line 6)\n" +
" MX<? extends Class> mx5 = new MX<Class>(); // ok\n" +
" ^^^^^\n" +
"Class is a raw type. References to generic type Class<T> should be parameterized\n" +
"----------\n" +
"7. WARNING in X.java (at line 7)\n" +
" MX<? super Class> mx6 = new MX<Class>(); // ok\n" +
" ^^^^^\n" +
"Class is a raw type. References to generic type Class<T> should be parameterized\n" +
"----------\n" +
"8. WARNING in X.java (at line 7)\n" +
" MX<? super Class> mx6 = new MX<Class>(); // ok\n" +
" ^^^^^\n" +
"Class is a raw type. References to generic type Class<T> should be parameterized\n" +
"----------\n" +
"9. WARNING in X.java (at line 8)\n" +
" MX<Class<? extends Class>> mx7 = new MX<Class<Class>>(); // wrong\n" +
" ^^^^^\n" +
"Class is a raw type. References to generic type Class<T> should be parameterized\n" +
"----------\n" +
"10. ERROR in X.java (at line 8)\n" +
" MX<Class<? extends Class>> mx7 = new MX<Class<Class>>(); // wrong\n" +
" ^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from MX<Class<Class>> to MX<Class<? extends Class>>\n" +
"----------\n" +
"11. WARNING in X.java (at line 8)\n" +
" MX<Class<? extends Class>> mx7 = new MX<Class<Class>>(); // wrong\n" +
" ^^^^^\n" +
"Class is a raw type. References to generic type Class<T> should be parameterized\n" +
"----------\n" +
"12. WARNING in X.java (at line 9)\n" +
" MX<MX<? extends Class>> mx8 = new MX<MX<Class>>(); // wrong\n" +
" ^^^^^\n" +
"Class is a raw type. References to generic type Class<T> should be parameterized\n" +
"----------\n" +
"13. ERROR in X.java (at line 9)\n" +
" MX<MX<? extends Class>> mx8 = new MX<MX<Class>>(); // wrong\n" +
" ^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from MX<MX<Class>> to MX<MX<? extends Class>>\n" +
"----------\n" +
"14. WARNING in X.java (at line 9)\n" +
" MX<MX<? extends Class>> mx8 = new MX<MX<Class>>(); // wrong\n" +
" ^^^^^\n" +
"Class is a raw type. References to generic type Class<T> should be parameterized\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=70247 check type variable is bound during super type resolution
public void test0248() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"public class X<T> extends Vector<? super X<int[]>>{}\n" },
"----------\n" +
"1. ERROR in X.java (at line 2)\n" +
" public class X<T> extends Vector<? super X<int[]>>{}\n" +
" ^^^^^^\n" +
"The type X cannot extend or implement Vector<? super X<int[]>>. A supertype may not specify any wildcard\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=70247 variation
public void test0249() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"public class X<T> implements List<? super X<int[]>>{}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 2)\n" +
" public class X<T> implements List<? super X<int[]>>{}\n" +
" ^^^^\n" +
"The type X cannot extend or implement List<? super X<int[]>>. A supertype may not specify any wildcard\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=70295 Class<? extends Object> is compatible with Class<?>
public void test0250() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" void test(Object o) {\n" +
" X.class.isAssignableFrom(o.getClass());\n" +
" }\n" +
"}\n"
},
"");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=69800 '? extends Object' is not compatible with A
public void test0251() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X { \n" +
" static class A {\n" +
" }\n" +
" A test() throws Exception {\n" +
" Class<? extends Object> clazz = null;\n" +
" return clazz.newInstance(); // ? extends Object\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 6)\n" +
" return clazz.newInstance(); // ? extends Object\n" +
" ^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from capture#1-of ? extends Object to X.A\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=69799 NPE in foreach checkcast
// effective result may change depending upon
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=148241
// **
public void test0252() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"public class X {\n" +
" public static void main(String[] args) {\n" +
" Set<X> channel = channels.get(0);\n" +
" for (Iterator<X> iter = channel.iterator(); iter.hasNext();) {\n" +
" Set<X> element;\n" +
" element = (Set<X>) iter.next();\n" +
" }\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" Set<X> channel = channels.get(0);\n" +
" ^^^^^^^^\n" +
"channels cannot be resolved\n" +
"----------\n" +
"2. WARNING in X.java (at line 7)\n" +
" element = (Set<X>) iter.next();\n" +
" ^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from X to Set<X>\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=70243 unsafe cast when wildcards
public void test0253() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"public class X {\n" +
" public static void main(String[] args) {\n" +
" List<Integer> li= new ArrayList<Integer>();\n" +
" List<? extends Number> ls= li; \n" +
" List<Number> x2= (List<Number>)ls;//unsafe\n" +
" x2.add(new Float(1.0));\n" +
" \n" +
" Integer i= li.get(0);//ClassCastException!\n" +
" \n" +
" List<Number> ls2 = (List<? extends Number>)ls;\n" +
" List<? extends Number> ls3 = (List<? extends Number>) li;\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. WARNING in X.java (at line 6)\n" +
" List<Number> x2= (List<Number>)ls;//unsafe\n" +
" ^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from List<capture#1-of ? extends Number> to List<Number>\n" +
"----------\n" +
"2. ERROR in X.java (at line 11)\n" +
" List<Number> ls2 = (List<? extends Number>)ls;\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from List<capture#3-of ? extends Number> to List<Number>\n" +
"----------\n" +
"3. WARNING in X.java (at line 12)\n" +
" List<? extends Number> ls3 = (List<? extends Number>) li;\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Unnecessary cast from List<Integer> to List<? extends Number>\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=70053 missing checkcast in string concatenation
public void test0254() {
this.runConformTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"public class X {\n" +
" public static void main(String[] args) {\n" +
" X x = new X();\n" +
" System.out.print(\"S\" + x.a() + \"U\" + x.b().get(0) + \"C\" + x.a() + \"C\");\n" +
" System.out.println(new StringBuilder(\"E\").append(x.a()).append(\"S\").append(x.b().get(0)).append(\"S\").append(x.a()).append(\"!\")); \n" +
" }\n" +
" String a() { return \"\"; }\n" +
" List<String> b() { \n" +
" ArrayList<String> als = new ArrayList<String>(1);\n" +
" als.add(a());\n" +
" return als;\n" +
" }\n" +
"}\n"
},
"SUCCESS!");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=69351 generic type cannot extend Throwable
public void test0255() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T, U> extends Throwable {\n" +
"}\n"
},
"----------\n" +
"1. WARNING in X.java (at line 1)\n" +
" public class X<T, U> extends Throwable {\n" +
" ^\n" +
"The serializable class X does not declare a static final serialVersionUID field of type long\n" +
"----------\n" +
"2. ERROR in X.java (at line 1)\n" +
" public class X<T, U> extends Throwable {\n" +
" ^^^^^^^^^\n" +
"The generic class X<T,U> may not subclass java.lang.Throwable\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=70616 - reference to binary Enum
public void test0256() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" \n" +
" public static void main(String[] args) {\n" +
"\n" +
" Enum<X> ex = null;\n" +
" String s = ex.name();\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 5)\n" +
" Enum<X> ex = null;\n" +
" ^\n" +
"Bound mismatch: The type X is not a valid substitute for the bounded parameter <E extends Enum<E>> of the type Enum<E>\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=70618 - reference to variable allowed in parameterized super type
public void test0257() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T> {\n" +
" public abstract class M extends java.util.AbstractList<T> {}\n" +
"}\n" +
"class Y<T> extends T {}\n" +
"class Z<T> {\n" +
" class M extends T {}\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" class Y<T> extends T {}\n" +
" ^\n" +
"Cannot refer to the type parameter T as a supertype\n" +
"----------\n" +
"2. ERROR in X.java (at line 6)\n" +
" class M extends T {}\n" +
" ^\n" +
"Cannot refer to the type parameter T as a supertype\n" +
"----------\n");
}
public void test0258() {
this.runConformTest(
new String[] {
"X.java",
"abstract class X<K,V> implements java.util.Map<K,V> {\n" +
" static abstract class M<K,V> implements Entry<K,V> {}\n" +
"}\n"
},
"");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=70767 - NPE compiling code with explicit constructor invocation
public void test0259() {
this.runConformTest(
new String[] {
"X.java",
"public class X<E> {\n" +
" \n" +
" <E> X(E e) {\n" +
" <E> this();\n" +
" }\n" +
" \n" +
" <E> X() {\n" +
" }\n" +
"}\n"
},
"");
}
public void test0260() {
this.runConformTest(
new String[] {
"X.java",
"public class X <E> {\n" +
" class MX <F> {\n" +
" }\n" +
"}\n" +
"\n" +
"class XC<G> extends X<G> {\n" +
" class MXC<H> extends MX<H> {\n" +
" }\n" +
"}\n"
},
"");
}
public void test0261() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X <E> {\n" +
" void foo(){\n" +
" X<Integer> xi = (X<Integer>) new X<String>();\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 3)\n" +
" X<Integer> xi = (X<Integer>) new X<String>();\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Cannot cast from X<String> to X<Integer>\n" +
"----------\n");
}
public void test0262() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X <E,F> {\n" +
" void foo(){\n" +
" X<E,String> xe = (X<E,String>) new X<String,String>();\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. WARNING in X.java (at line 3)\n" +
" X<E,String> xe = (X<E,String>) new X<String,String>();\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from X<String,String> to X<E,String>\n" +
"----------\n");
}
public void test0263() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X <E,F> {\n" +
" void foo(){\n" +
" XC<E,String> xe = (XC<E,String>) new X<String,String>();\n" +
" }\n" +
"}\n" +
"class XC<G,H> extends X<G,H> {\n" +
"}\n"
},
"----------\n" +
"1. WARNING in X.java (at line 3)\n" +
" XC<E,String> xe = (XC<E,String>) new X<String,String>();\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from X<String,String> to XC<E,String>\n" +
"----------\n");
}
public void test0264() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X <E,F> {\n" +
" void foo(){\n" +
" XC<E,String> xe = (XC<E,String>) new X<String,Integer>();\n" +
" }\n" +
"}\n" +
"class XC<G,H> extends X<G,H> {\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 3)\n" +
" XC<E,String> xe = (XC<E,String>) new X<String,Integer>();\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Cannot cast from X<String,Integer> to XC<E,String>\n" +
"----------\n");
}
public void test0265() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X <E> {\n" +
" <U> void foo(){\n" +
" XC<U> xcu = (XC<U>) new X<E>();\n" +
" XC<U> xcu1 = (XC<?>) new X<E>(); \n" +
" XC<?> xcu2 = (XC<? extends X>) new X<E>(); \n" +
" }\n" +
"}\n" +
"class XC<G> extends X<G> {\n" +
"}\n"
},
"----------\n" +
"1. WARNING in X.java (at line 3)\n" +
" XC<U> xcu = (XC<U>) new X<E>();\n" +
" ^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from X<E> to XC<U>\n" +
"----------\n" +
"2. ERROR in X.java (at line 4)\n" +
" XC<U> xcu1 = (XC<?>) new X<E>(); \n" +
" ^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from XC<capture#1-of ?> to XC<U>\n" +
"----------\n" +
"3. WARNING in X.java (at line 5)\n" +
" XC<?> xcu2 = (XC<? extends X>) new X<E>(); \n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from X<E> to XC<? extends X>\n" +
"----------\n" +
"4. WARNING in X.java (at line 5)\n" +
" XC<?> xcu2 = (XC<? extends X>) new X<E>(); \n" +
" ^\n" +
"X is a raw type. References to generic type X<E> should be parameterized\n" +
"----------\n");
}
public void test0266() {
this.runConformTest(
new String[] {
"X.java",
"public class X <E> {\n" +
" void bar() {\n" +
" X<? extends E> xe = new X<E>();\n" +
" }\n" +
"}\n"
},
"");
}
public void test0267() {
this.runConformTest(
new String[] {
"X.java",
"public class X <T> {\n" +
" static void foo(X<?> xany) { \n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" foo(new X<Object[]>());\n" +
" }\n" +
"}\n"
},
"SUCCESS");
}
public void test0268() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.ArrayList;\n" +
"public class X <T> {\n" +
" X[] foo() {\n" +
" ArrayList<X> list = new ArrayList();\n" +
" return list.toArray(new X[list.size()]);\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. WARNING in X.java (at line 3)\n" +
" X[] foo() {\n" +
" ^\n" +
"X is a raw type. References to generic type X<T> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 4)\n" +
" ArrayList<X> list = new ArrayList();\n" +
" ^\n" +
"X is a raw type. References to generic type X<T> should be parameterized\n" +
"----------\n" +
"3. WARNING in X.java (at line 4)\n" +
" ArrayList<X> list = new ArrayList();\n" +
" ^^^^^^^^^^^^^^^\n" +
"Type safety: The expression of type ArrayList needs unchecked conversion to conform to ArrayList<X>\n" +
"----------\n" +
"4. WARNING in X.java (at line 4)\n" +
" ArrayList<X> list = new ArrayList();\n" +
" ^^^^^^^^^\n" +
"ArrayList is a raw type. References to generic type ArrayList<E> should be parameterized\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=70975 - test compilation against binary generic method
public void test0269() {
this.runConformTest(
new String[] {
"X.java",
"public class X<T> {\n" +
"\n" +
" <U> U[] bar(U[] u) { \n" +
" System.out.println(\"SUCCESS\");\n" +
" return null; }\n" +
"\n" +
" static String[] foo() {\n" +
" X<String> xs = new X<String>();\n" +
" return xs.bar(new String[0]);\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" foo();\n" +
" }\n" +
"}\n",
},
"SUCCESS");
this.runConformTest(
new String[] {
"Y.java",
"public class Y {\n" +
" public static void main(String [] args) {\n" +
" X<String> xs = new X<String>();\n" +
" String[] s = xs.bar(new String[0]);\n" +
" }\n" +
"}\n",
},
"SUCCESS",
null,
false, // do not flush output
null);
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=70969 - lub(List<String>, List<Object>) --> List<? extends Object>
public void test0270() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.ArrayList;\n" +
"\n" +
"public class X {\n" +
" public void test(boolean param) {\n" +
" ArrayList<?> ls = (param) \n" +
" ? new ArrayList<String>()\n" +
" : new ArrayList<Object>();\n" +
" \n" +
" X x = param ? new XY() : new XZ();\n" +
" XY y = (XY) new XZ();\n" +
" }\n" +
"}\n" +
"class XY extends X {}\n" +
"class XZ extends X {}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 10)\n" +
" XY y = (XY) new XZ();\n" +
" ^^^^^^^^^^^^^\n" +
"Cannot cast from XZ to XY\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=71080 - parameter bound <T extends Enum<T>> should be allowed
public void test0271() {
this.runConformTest(
new String[] {
"X.java",
"public class X<T extends Enum<T>> {\n" +
"}\n"
},
"");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=71080 - variation
public void test0272() {
this.runConformTest(
new String[] {
"X.java",
"public class X<T extends XY<T>> {\n" +
"}\n" +
"\n" +
"class XY<U extends Cloneable> implements Cloneable {\n" +
"}\n"
},
"");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=71080 - variation
public void test0273() {
this.runConformTest(
new String[] {
"X.java",
"public class X<T extends XY<T> & Cloneable> {\n" +
"}\n" +
"\n" +
"class XY<U extends Cloneable> {\n" +
"}\n"
},
"");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=71241
public void test0274() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.List;\n" +
"public class X {\n" +
" public List useList(List l) {\n" +
" l.add(\"asdf\");\n" +
" return l;\n" +
" }\n" +
"}\n" +
"class Y extends X {\n" +
" public List<String> useList(List<String> l) {\n" +
" l.add(\"asdf\");\n" +
" return l;\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. WARNING in X.java (at line 3)\n" +
" public List useList(List l) {\n" +
" ^^^^\n" +
"List is a raw type. References to generic type List<E> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 3)\n" +
" public List useList(List l) {\n" +
" ^^^^\n" +
"List is a raw type. References to generic type List<E> should be parameterized\n" +
"----------\n" +
"3. WARNING in X.java (at line 4)\n" +
" l.add(\"asdf\");\n" +
" ^^^^^^^^^^^^^\n" +
"Type safety: The method add(Object) belongs to the raw type List. References to generic type List<E> should be parameterized\n" +
"----------\n" +
"4. ERROR in X.java (at line 9)\n" +
" public List<String> useList(List<String> l) {\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Name clash: The method useList(List<String>) of type Y has the same erasure as useList(List) of type X but does not override it\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=71241 - variation
public void test0275() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.List;\n" +
"public class X {\n" +
" public List<String> useList(List<String> l) {\n" +
" l.add(\"asdf\");\n" +
" return l;\n" +
" }\n" +
"}\n" +
"class Y extends X {\n" +
" public List useList(List l) {\n" +
" l.add(\"asdf\");\n" +
" return l;\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. WARNING in X.java (at line 9)\n" +
" public List useList(List l) {\n" +
" ^^^^\n" +
"List is a raw type. References to generic type List<E> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 9)\n" +
" public List useList(List l) {\n" +
" ^^^^\n" +
"Type safety: The return type List for useList(List) from the type Y needs unchecked conversion to conform to List<String> from the type X\n" +
"----------\n" +
"3. WARNING in X.java (at line 9)\n" +
" public List useList(List l) {\n" +
" ^^^^^^^^^^^^^^^\n" +
"The method useList(List) of type Y should be tagged with @Override since it actually overrides a superclass method\n" +
"----------\n" +
"4. WARNING in X.java (at line 9)\n" +
" public List useList(List l) {\n" +
" ^^^^\n" +
"List is a raw type. References to generic type List<E> should be parameterized\n" +
"----------\n" +
"5. WARNING in X.java (at line 10)\n" +
" l.add(\"asdf\");\n" +
" ^^^^^^^^^^^^^\n" +
"Type safety: The method add(Object) belongs to the raw type List. References to generic type List<E> should be parameterized\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=71241 - variation
public void test0276() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.List;\n" +
"public class X {\n" +
" public void useList(List l) {}\n" +
"}\n" +
"class Y extends X {\n" +
" public void useList(List<String> l) {\n" +
" super.useList(l);\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. WARNING in X.java (at line 3)\n" +
" public void useList(List l) {}\n" +
" ^^^^\n" +
"List is a raw type. References to generic type List<E> should be parameterized\n" +
"----------\n" +
"2. ERROR in X.java (at line 6)\n" +
" public void useList(List<String> l) {\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Name clash: The method useList(List<String>) of type Y has the same erasure as useList(List) of type X but does not override it\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=71241 - variation
public void test0277() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.List;\n" +
"public class X {\n" +
" public void useList(List<String> l) {}\n" +
"}\n" +
"class Y extends X {\n" +
" public void useList(List l) {\n" +
" super.useList(l);\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. WARNING in X.java (at line 6)\n" +
" public void useList(List l) {\n" +
" ^^^^^^^^^^^^^^^\n" +
"The method useList(List) of type Y should be tagged with @Override since it actually overrides a superclass method\n" +
"----------\n" +
"2. WARNING in X.java (at line 6)\n" +
" public void useList(List l) {\n" +
" ^^^^\n" +
"List is a raw type. References to generic type List<E> should be parameterized\n" +
"----------\n" +
"3. WARNING in X.java (at line 7)\n" +
" super.useList(l);\n" +
" ^\n" +
"Type safety: The expression of type List needs unchecked conversion to conform to List<String>\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=71241 - variation
public void test0278() {
this.runConformTest(
new String[] {
"X.java",
"public class X<T> implements I {\n" +
" public Class<T> getDeclaringClass() { return null; }\n" +
"}\n" +
"class Y implements I {\n" +
" public Class<?> getDeclaringClass() { return null; }\n" +
"}\n" +
"interface I {\n" +
" public Class getDeclaringClass();\n" +
"}\n"
},
"");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=69901
public void test0279() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X implements ISomething {\n" +
" public Class getSomething() { return null; }\n" +
"}\n" +
"class Y {}\n" +
"interface ISomething {\n" +
" public Class<? extends Y> getSomething();\n" +
"}\n"
},
"----------\n" +
"1. WARNING in X.java (at line 2)\n" +
" public Class getSomething() { return null; }\n" +
" ^^^^^\n" +
"Class is a raw type. References to generic type Class<T> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 2)\n" +
" public Class getSomething() { return null; }\n" +
" ^^^^^\n" +
"Type safety: The return type Class for getSomething() from the type X needs unchecked conversion to conform to Class<? extends Y> from the type ISomething\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=62822
public void test0280() {
this.runConformTest(
new String[] {
"X.java",
"interface X<T1 extends Y<T2>, T2 extends Z> {}\n" +
"interface Y<T3 extends Z> {}\n" +
"interface Z {}\n"
},
"");
}
public void test0281() {
this.runNegativeTest(
new String[] {
"X.java",
"interface X<T1 extends Y<T2>, T2 extends Z> {}\n" +
"interface Y<T3 extends Comparable> {}\n" +
"interface Z {}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 1)\n" +
" interface X<T1 extends Y<T2>, T2 extends Z> {}\n" +
" ^^\n" +
"Bound mismatch: The type T2 is not a valid substitute for the bounded parameter <T3 extends Comparable> of the type Y<T3>\n" +
"----------\n" +
"2. WARNING in X.java (at line 2)\n" +
" interface Y<T3 extends Comparable> {}\n" +
" ^^^^^^^^^^\n" +
"Comparable is a raw type. References to generic type Comparable<T> should be parameterized\n" +
"----------\n");
}
public void test0282() {
this.runConformTest(
new String[] {
"X.java",
"public class X extends Y.Member<String> {}\n" +
"class Y { static class Member<T> {} }\n"
},
"");
this.runConformTest(
new String[] {
"p1/X.java",
"package p1;\n" +
"public class X extends p1.Y.Member<String> {}\n" +
"class Y { static class Member<T> {} }\n"
},
"");
}
public void test0283() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X extends Y.Missing<String> {}\n" +
"class Y { static class Member<T> {} }\n"
},
"----------\n" +
"1. ERROR in X.java (at line 1)\n" +
" public class X extends Y.Missing<String> {}\n" +
" ^^^^^^^^^\n" +
"Y.Missing cannot be resolved to a type\n" +
"----------\n");
this.runNegativeTest(
new String[] {
"p1/X.java",
"package p1;\n" +
"public class X extends Y.Missing<String> {}\n" +
"class Y { static class Member<T> {} }\n"
},
"----------\n" +
"1. ERROR in p1\\X.java (at line 2)\n" +
" public class X extends Y.Missing<String> {}\n" +
" ^^^^^^^^^\n" +
"Y.Missing cannot be resolved to a type\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=72083
public void test0284() {
this.runConformTest(
new String[] {
"p1/A.java",
"package p1;\n" +
"public class A <T1 extends A<T1, T2>, T2 extends B<T1, T2>> {\n" +
" public static void main(String [] args) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
"}\n",
"p1/B.java",
"package p1;\n" +
"public class B <T3 extends A<T3, T4>, T4 extends B<T3, T4>> {}\n"
},
"SUCCESS");
this.runConformTest(
new String[] {
"p1/A.java",
"package p1;\n" +
"public class A <T1 extends B<T1, T2>, T2 extends A<T1, T2>> {\n" +
" public static void main(String [] args) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
"}\n",
"p1/B.java",
"package p1;\n" +
"public class B <T3 extends B<T3, T4>, T4 extends A<T3, T4>> {}\n"
},
"SUCCESS");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=73530
public void test0285() {
this.runConformTest(
new String[] {
"X.java",
"import java.util.Vector;\n" +
"public class X {\n" +
" public static void main(String[] args){\n" +
" Vector<Integer[]> v = new Vector<Integer[]>();\n" +
" Integer[] array1 = new Integer[5];\n" +
" array1[0] = new Integer(17);\n" +
" array1[1] = new Integer(42);\n" +
" v.add(array1);\n" +
" Integer twentyfour = v.get(0)[1]; // responsible for the crash\n" +
" System.out.println(twentyfour);\n" +
" }\n" +
"}"
},
"42");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=72644
// TODO (philippe) we need a way to test these 2 methods & find them 'equivalent'... right isEquivalentTo return false
public void test0286() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" <T extends Object> T foo(Class<T> c) {return null;}\n" +
"}\n" +
"class Y extends X {\n" +
" <T extends Object> T foo(Class<T> c) {return null;}\n" +
"}"
},
"");
}
public void test0287() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T> {\n" +
"\n" +
" public class A <U> {\n" +
" \n" +
" public class B <V> {\n" +
" \n" +
" }\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" \n" +
" X.A.B<String> bs;\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 11)\n" +
" X.A.B<String> bs;\n" +
" ^^^^^\n" +
"The member type X.A.B<String> must be qualified with a parameterized type, since it is not static\n" +
"----------\n");
}
public void test0288() {
this.runConformTest(
new String[] {
"X.java",
"public class X<T> {\n" +
"\n" +
" public static class A <U> {\n" +
" \n" +
" public static class B <V> {\n" +
" \n" +
" }\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" \n" +
" X.A.B<String> bs;\n" +
" }\n" +
"}\n"
},
"");
}
public void test0289() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T> {\n" +
"\n" +
" public class A <U> {\n" +
" \n" +
" public class B <V> {\n" +
" \n" +
" }\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" \n" +
" X<String>.A.B<String> bs;\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 11)\n" +
" X<String>.A.B<String> bs;\n" +
" ^^^^^^^^^^^\n" +
"The member type X<String>.A must be parameterized, since it is qualified with a parameterized type\n" +
"----------\n");
}
public void test0290() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T> {\n" +
"\n" +
" public static class A <U> {\n" +
" \n" +
" public class B <V> {\n" +
" \n" +
" }\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" \n" +
" X<String>.A.B<String> bs;\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 11)\n" +
" X<String>.A.B<String> bs;\n" +
" ^^^^^^^^^^^\n" +
"The member type X.A<U> cannot be qualified with a parameterized type, since it is static. Remove arguments from qualifying type X<String>\n" +
"----------\n");
}
// ensure bound check deals with supertype (and their enclosing type)
public void test0291() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X <T extends Iterable>{\n" +
" class MX<U extends Iterable> {\n" +
" }\n" +
"}\n" +
"class SX extends X<Thread>.MX<Object> {\n" +
" SX(X x){\n" +
" x.super();\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. WARNING in X.java (at line 1)\n" +
" public class X <T extends Iterable>{\n" +
" ^^^^^^^^\n" +
"Iterable is a raw type. References to generic type Iterable<T> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 2)\n" +
" class MX<U extends Iterable> {\n" +
" ^^^^^^^^\n" +
"Iterable is a raw type. References to generic type Iterable<T> should be parameterized\n" +
"----------\n" +
"3. ERROR in X.java (at line 5)\n" +
" class SX extends X<Thread>.MX<Object> {\n" +
" ^^^^^^\n" +
"Bound mismatch: The type Thread is not a valid substitute for the bounded parameter <T extends Iterable> of the type X<T>\n" +
"----------\n" +
"4. ERROR in X.java (at line 5)\n" +
" class SX extends X<Thread>.MX<Object> {\n" +
" ^^^^^^\n" +
"Bound mismatch: The type Object is not a valid substitute for the bounded parameter <U extends Iterable> of the type X<T>.MX<U>\n" +
"----------\n" +
"5. WARNING in X.java (at line 6)\n" +
" SX(X x){\n" +
" ^\n" +
"X is a raw type. References to generic type X<T> should be parameterized\n" +
"----------\n");
}
public void test0292() {
this.runConformTest(
new String[] {
"X.java",
"public class X <T> {\n" +
" class Y {\n" +
" class Z<U> {\n" +
" }\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" X<Object>.Y.Z<Object> zo;\n" +
" }\n" +
"}\n"
},
"");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=73837
public void test0293() {
this.runConformTest(
new String[] {
"B.java", //---------------------------
"public class B<X>{\n"+
" public B(X str,D dValue){}\n"+
" public static void main(String [] args) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
"}\n" ,
"D.java", //---------------------------
"public class D<Y>{}\n",
},
"SUCCESS");
this.runConformTest(
new String[] {
"C.java", //---------------------------
"public class C<Z,Y> {\n" +
" public B<Z> test(Z zValue,D<Y> yValue){ return new B<Z>(zValue,yValue); }\n" +
" public static void main(String [] args) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
"}\n",
},
"SUCCESS",
null,
false, // do not flush output
null);
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=73837 variation
public void test0294() {
this.runConformTest(
new String[] {
"B.java", //---------------------------
"public class B<X>{\n"+
" public B(X str, B<D> dValue){}\n"+
" public static void main(String [] args) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
"}\n" ,
"D.java", //---------------------------
"public class D<Y>{}\n",
},
"SUCCESS");
this.runNegativeTest(
new String[] {
"C.java", //---------------------------
"public class C<Z,Y> {\n" +
" public B<Z> test(Z zValue,B<D<Y>> yValue){ return new B<Z>(zValue,yValue); }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in C.java (at line 2)\n" +
" public B<Z> test(Z zValue,B<D<Y>> yValue){ return new B<Z>(zValue,yValue); }\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^\n" +
"The constructor B<Z>(Z, B<D<Y>>) is undefined\n" +
"----------\n",
null,
false, // do not flush output
null);
}
// non-static method #start() gets its type substituted when accessed through raw type
public void test0295() {
this.runNegativeTest(
new String[] {
"C.java", //---------------------------
"public class C<U> {\n" +
"\n" +
" void bar() {\n" +
" new B().start().get(new B().start()).get(new B().start());\n" +
" }\n" +
"}\n",
"B.java", //---------------------------
"public class B<X>{\n" +
" X get(B<X> bx) { return null; }\n" +
" B<B<D>> start() { return null; }\n" +
"}",
"D.java", //---------------------------
"public class D<Y>{}\n",
},
"----------\n" +
"1. WARNING in C.java (at line 4)\n" +
" new B().start().get(new B().start()).get(new B().start());\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: The method get(B) belongs to the raw type B. References to generic type B<X> should be parameterized\n" +
"----------\n" +
"2. WARNING in C.java (at line 4)\n" +
" new B().start().get(new B().start()).get(new B().start());\n" +
" ^\n" +
"B is a raw type. References to generic type B<X> should be parameterized\n" +
"----------\n" +
"3. WARNING in C.java (at line 4)\n" +
" new B().start().get(new B().start()).get(new B().start());\n" +
" ^\n" +
"B is a raw type. References to generic type B<X> should be parameterized\n" +
"----------\n" +
"4. ERROR in C.java (at line 4)\n" +
" new B().start().get(new B().start()).get(new B().start());\n" +
" ^^^\n" +
"The method get(B) is undefined for the type Object\n" +
"----------\n" +
"5. WARNING in C.java (at line 4)\n" +
" new B().start().get(new B().start()).get(new B().start());\n" +
" ^\n" +
"B is a raw type. References to generic type B<X> should be parameterized\n" +
"----------\n" +
"----------\n" +
"1. WARNING in B.java (at line 3)\n" +
" B<B<D>> start() { return null; }\n" +
" ^\n" +
"D is a raw type. References to generic type D<Y> should be parameterized\n" +
"----------\n");
}
// static method #start() gets its type does not get substituted when accessed through raw type
public void test0296() {
this.runNegativeTest(
new String[] {
"C.java", //---------------------------
"public class C<U> {\n" +
"\n" +
" void bar() {\n" +
" new B().start().get(new B().start()).get(new B().start());\n" +
" }\n" +
"}\n",
"B.java", //---------------------------
"public class B<X>{\n" +
" X get(B<X> bx) { return null; }\n" +
" static B<B<D>> start() { return null; }\n" +
"}",
"D.java", //---------------------------
"public class D<Y>{}\n",
},
"----------\n" +
"1. WARNING in C.java (at line 4)\n" +
" new B().start().get(new B().start()).get(new B().start());\n" +
" ^^^^^^^^^^^^^^^\n" +
"The static method start() from the type B should be accessed in a static way\n" +
"----------\n" +
"2. WARNING in C.java (at line 4)\n" +
" new B().start().get(new B().start()).get(new B().start());\n" +
" ^\n" +
"B is a raw type. References to generic type B<X> should be parameterized\n" +
"----------\n" +
"3. WARNING in C.java (at line 4)\n" +
" new B().start().get(new B().start()).get(new B().start());\n" +
" ^^^^^^^^^^^^^^^\n" +
"The static method start() from the type B should be accessed in a static way\n" +
"----------\n" +
"4. WARNING in C.java (at line 4)\n" +
" new B().start().get(new B().start()).get(new B().start());\n" +
" ^\n" +
"B is a raw type. References to generic type B<X> should be parameterized\n" +
"----------\n" +
"5. ERROR in C.java (at line 4)\n" +
" new B().start().get(new B().start()).get(new B().start());\n" +
" ^^^\n" +
"The method get(B<D>) in the type B<D> is not applicable for the arguments (B<B<D>>)\n" +
"----------\n" +
"6. WARNING in C.java (at line 4)\n" +
" new B().start().get(new B().start()).get(new B().start());\n" +
" ^^^^^^^^^^^^^^^\n" +
"The static method start() from the type B should be accessed in a static way\n" +
"----------\n" +
"7. WARNING in C.java (at line 4)\n" +
" new B().start().get(new B().start()).get(new B().start());\n" +
" ^\n" +
"B is a raw type. References to generic type B<X> should be parameterized\n" +
"----------\n" +
"----------\n" +
"1. WARNING in B.java (at line 3)\n" +
" static B<B<D>> start() { return null; }\n" +
" ^\n" +
"D is a raw type. References to generic type D<Y> should be parameterized\n" +
"----------\n");
}
public void test0297() {
this.runConformTest(
new String[] {
"X.java", //---------------------------
"import java.util.HashMap;\n" +
"import java.util.Iterator;\n" +
"import java.util.Map;\n" +
"\n" +
"public class X {\n" +
" public static void main(String[] args) {\n" +
" Map<String, String> map = new HashMap<String, String>();\n" +
" \n" +
" map.put(\"foo\", \"bar\");\n" +
" \n" +
" // Error reported on the following line\n" +
" Iterator<Map.Entry<String,String>> i = map.entrySet().iterator();\n" +
" while (i.hasNext()) {\n" +
" Map.Entry<String, String> entry = i.next();\n" +
" System.out.println(entry.getKey() + \", \" + entry.getValue());\n" +
" }\n" +
" }\n" +
"}\n",
},
"foo, bar");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=72644
public void test0298() {
this.runNegativeTest(
new String[] {
"X.java", //---------------------------
"import java.util.Collection;\n" +
"import java.util.Map;\n" +
"import java.util.Set;\n" +
"\n" +
"public class X<V> implements Map<String, V> {\n" +
" private Map<String, V> backingMap;\n" +
" public int size() { return 0; }\n" +
" public boolean isEmpty() { return false; }\n" +
" public boolean containsKey(Object key) { return false; }\n" +
" public boolean containsValue(Object value) { return false; }\n" +
" public V get(Object key) { return null; }\n" +
" public V put(String key, V value) { return null; }\n" +
" public V remove(Object key) { return null; }\n" +
" public void clear() { }\n" +
" public Set<String> keySet() { return null; }\n" +
" public Collection<V> values() { return null; }\n" +
" public void putAll(Map<String, ? extends V> t) { }\n" +
" public Set<Map.Entry<String, V>> entrySet() {\n" +
" return this.backingMap.entrySet();\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 5)\n" +
" public class X<V> implements Map<String, V> {\n" +
" ^\n" +
"The type X<V> must implement the inherited abstract method Map<String,V>.putAll(Map<? extends String,? extends V>)\n" +
"----------\n" +
"2. ERROR in X.java (at line 17)\n" +
" public void putAll(Map<String, ? extends V> t) { }\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Name clash: The method putAll(Map<String,? extends V>) of type X<V> has the same erasure as putAll(Map<? extends K,? extends V>) of type Map<K,V> but does not override it\n" +
"----------\n");
this.runConformTest(
new String[] {
"X.java", //---------------------------
"public abstract class X<S, V> implements java.util.Map<Object, Object> {\n" +
" public void putAll(java.util.Map<?, ?> t) { }\n" +
"}\n",
},
"");
this.runNegativeTest(
new String[] {
"X.java", //---------------------------
"public abstract class X<S, V> implements java.util.Map<S, V> {\n" +
" public void putAll(java.util.Map<? extends String, ? extends V> t) { }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 2)\n" +
" public void putAll(java.util.Map<? extends String, ? extends V> t) { }\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Name clash: The method putAll(Map<? extends String,? extends V>) of type X<S,V> has the same erasure as putAll(Map<? extends K,? extends V>) of type Map<K,V> but does not override it\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=74244
public void test0299() {
this.runConformTest(
new String[] {
"X.java", //---------------------------
"public class X {\n" +
" public static void main(String argv[]) {\n" +
" System.out.println(Boolean.class == boolean.class ? \"FAILED\" : \"SUCCESS\");\n" +
" }\n" +
"}\n",
},
"SUCCESS");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=74119
public void test0300() {
this.runConformTest(
new String[] {
"X.java", //---------------------------
"public class X {\n" +
" static interface I extends Visitible<I> {\n" +
" }\n" +
" static interface Visitible<T> {\n" +
" void acceptVisitor(Visitor<? super T> visitor);\n" +
" }\n" +
" static interface Visitor<T> {\n" +
" void visit(T t);\n" +
" }\n" +
" static class C implements I {\n" +
" public void acceptVisitor(Visitor<? super I> visitor) {\n" +
" visitor.visit(this); // should be ok\n" +
" visitor.visit((I) this); // (2) This is a workaround\n" +
" }\n" +
" }\n" +
" public static void main(String [] args) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
"}\n",
},
"SUCCESS");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=74320: check no complaint for unused private method
public void test0301() {
this.runNegativeTest(
new String[] {
"X.java", //---------------------------
"import java.util.List;\n" +
"public class X {\n" +
" public static void reverse(List<?> list) { \n" +
" rev(list);\n" +
" }\n" +
" private static <T> void rev(List<T> list) {\n" +
" }\n" +
" Zork foo() {\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 8)\n" +
" Zork foo() {\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=74514
public void test0302() {
this.runNegativeTest(
new String[] {
"X.java", //---------------------------
"import java.util.ArrayList;\n" +
"import java.util.Enumeration;\n" +
"import java.util.Iterator;\n" +
"import java.util.List;\n" +
"public class X {\n" +
" public void test02() {\n" +
" List<String> l= new ArrayList<String>();\n" +
" for (Iterator<String> i= l.iterator(); i.next(); ) {\n" +
" }\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 8)\n" +
" for (Iterator<String> i= l.iterator(); i.next(); ) {\n" +
" ^^^^^^^^\n" +
"Type mismatch: cannot convert from String to boolean\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=74544
public void test0303() {
this.runConformTest(
new String[] {
"X.java", //---------------------------
"public class X {\n" +
" public static void main(String[] args) {\n" +
" Y<String> ys = new Y<String>();\n" +
" Y<String>.Member m = ys.new Member();\n" +
" m.foo();\n" +
" } \n" +
" }\n" +
" class Y<T> {\n" +
" class Member {\n" +
" void foo(){\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
" }\n" +
" }\n" +
"\n",
},
"SUCCESS");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=74592
public void test0304() {
this.runConformTest(
new String[] {
"X.java", //---------------------------
"public class X<T extends Y> {}\n" +
"class Y extends X {}"
},
"");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=74420
public void test0305() {
this.runConformTest(
new String[] {
"X.java", //---------------------------
"public class X<T> {\n" +
" T x;\n" +
" <U extends T> T foo(U u) { return u; }\n" +
"}\n"
},
"");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=74096
public void test0306() {
this.runNegativeTest(
new String[] {
"X.java", //---------------------------
"public class X<T extends X<T>> {\n" +
" static int CONSTANT = 1;\n" +
" private int i = 1;\n" +
" private int i() {return i;}\n" +
" private static class M { private static int j = 2; }\n" +
" public int foo(T t) { return t.i + t.i() + T.M.j; }\n" +
" public int foo2(T t) { return T.CONSTANT; }\n" + // why is this allowed?
"}\n" +
"class Y extends Zork {\n" +
"}\n"
},
this.complianceLevel <= ClassFileConstants.JDK1_6 ?
"----------\n" +
"1. WARNING in X.java (at line 6)\n" +
" public int foo(T t) { return t.i + t.i() + T.M.j; }\n" +
" ^\n" +
"Read access to enclosing field X.M.j is emulated by a synthetic accessor method\n" +
"----------\n" +
"2. ERROR in X.java (at line 9)\n" +
" class Y extends Zork {\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n"
// 5: operator + cannot be applied to int,<any>.j
// 5: incompatible type, found : <nulltype>, required: int
:
// 1.7+ output, see https://bugs.eclipse.org/bugs/show_bug.cgi?id=334622
"----------\n" +
"1. ERROR in X.java (at line 6)\n" +
" public int foo(T t) { return t.i + t.i() + T.M.j; }\n" +
" ^\n" +
"The field X<T>.i is not visible\n" +
"----------\n" +
"2. ERROR in X.java (at line 6)\n" +
" public int foo(T t) { return t.i + t.i() + T.M.j; }\n" +
" ^\n" +
"The method i() from the type X<T> is not visible\n" +
"----------\n" +
"3. ERROR in X.java (at line 6)\n" +
" public int foo(T t) { return t.i + t.i() + T.M.j; }\n" +
" ^^^\n" +
"The type T.M is not visible\n" +
"----------\n" +
"4. ERROR in X.java (at line 9)\n" +
" class Y extends Zork {\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n"
);
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=72583
public void test0307() {
this.runConformTest(
new String[] {
"X.java", //---------------------------
"public class X {\n" +
" static <T> T foo(T t1, T t2){ return t1; }\n" +
" public static void main(String[] args) {\n" +
" IX s = null;\n" +
" foo(new Object(), s);\n" +
" }\n" +
"}\n" +
"interface IX {}\n"
},
"");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=73696
public void test0308() {
this.runConformTest(
new String[] {
"p/X.java",
"package p;\n" +
"public class X<T> {\n" +
" class Member {}\n" +
"}\n",
"p/Y.java",
"package p;\n" +
"public class Y {\n" +
" p.X.Member m;\n" +
" p.X<String>.Member ms = m;\n" +
"}\n"
});
}
public void test0309() {
this.runConformTest(
new String[] {
"p/X.java",
"package p;\n" +
"public class X<T> {\n" +
" class Member {\n" +
" class Sub {}\n" +
" }\n" +
"}\n",
"p/Y.java",
"package p;\n" +
"public class Y {\n" +
" p.X.Member.Sub s;\n" +
" p.X<Exception>.Member.Sub es = s;\n" +
"}\n"
});
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=75156 - should report name clash
public void test0310() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.List;\n" +
"public class X extends X2 {\n" +
" void foo(List<X> lx) { }\n" +
"}\n" +
"\n" +
"abstract class X2 {\n" +
" void foo(List<Object> lo) { }\n" +
"}"
},
"----------\n" +
"1. ERROR in X.java (at line 3)\n" +
" void foo(List<X> lx) { }\n" +
" ^^^^^^^^^^^^^^^\n" +
"Name clash: The method foo(List<X>) of type X has the same erasure as foo(List<Object>) of type X2 but does not override it\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=75156 variation - should report name clash and ambiguity
public void test0311() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.List;\n" +
"public class X extends X2 {\n" +
" void foo(List<X> lx) { }\n" +
" void bar(){\n" +
" this.foo((List)null);\n" +
" }\n" +
"}\n" +
"\n" +
"abstract class X2 {\n" +
" void foo(List<Object> lo) { }\n" +
"}"
},
"----------\n" +
"1. ERROR in X.java (at line 3)\n" +
" void foo(List<X> lx) { }\n" +
" ^^^^^^^^^^^^^^^\n" +
"Name clash: The method foo(List<X>) of type X has the same erasure as foo(List<Object>) of type X2 but does not override it\n" +
"----------\n" +
"2. ERROR in X.java (at line 5)\n" +
" this.foo((List)null);\n" +
" ^^^\n" +
"The method foo(List<X>) is ambiguous for the type X\n" +
"----------\n" +
"3. WARNING in X.java (at line 5)\n" +
" this.foo((List)null);\n" +
" ^^^^\n" +
"List is a raw type. References to generic type List<E> should be parameterized\n" +
"----------\n");
}
// 75156 variation - should report name clash instead of final method override
public void test0312() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.List;\n" +
"public class X extends X2 {\n" +
" void foo(List<X> lx) { }\n" +
"}\n" +
"\n" +
"abstract class X2 {\n" +
" final void foo(List<Object> lo) { }\n" +
"}"
},
"----------\n" +
"1. ERROR in X.java (at line 3)\n" +
" void foo(List<X> lx) { }\n" +
" ^^^^^^^^^^^^^^^\n" +
"Name clash: The method foo(List<X>) of type X has the same erasure as foo(List<Object>) of type X2 but does not override it\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=73963
public void test0313() {
this.runConformTest(
new String[] {
"X.java",
"import java.net.Inet6Address;\n" +
"import java.net.InetAddress;\n" +
"import java.util.AbstractList;\n" +
"import java.util.ArrayList;\n" +
"import java.util.List;\n" +
"\n" +
"public class X {\n" +
"void takeAbstract(AbstractList<? extends InetAddress> arg) { }\n" +
"\n" +
"void takeList(List<? extends InetAddress> arg) { }\n" +
"\n" +
"void construct() {\n" +
" AbstractList<InetAddress> a= new ArrayList<InetAddress>();\n" +
" takeAbstract(a);\n" +
" takeAbstract(new ArrayList<InetAddress>()); // a inlined: error 1:\n" +
"//The method takeAbstract(AbstractList<? extends InetAddress>) in the type A\n" +
"// is not applicable for the arguments (ArrayList<InetAddress>)\n" +
" \n" +
" List<InetAddress> l= new ArrayList<InetAddress>();\n" +
" takeList(l);\n" +
" takeList(new ArrayList<InetAddress>()); // l inlined: ok\n" +
" \n" +
" ArrayList<? extends InetAddress> aw= new ArrayList<InetAddress>();\n" +
" takeAbstract(aw);\n" +
" takeAbstract(new ArrayList<Inet6Address>()); // aw inlined: error 2:\n" +
"//The method takeAbstract(AbstractList<? extends InetAddress>) in the type A\n" +
"// is not applicable for the arguments (ArrayList<Inet6Address>)\n" +
"\n" +
" takeList(aw);\n" +
" takeList(new ArrayList<Inet6Address>()); //aw inlined: ok\n" +
"}\n" +
"}"
},
"");
}
public void test0314() {
this.runConformTest(
new String[] {
"X.java",
"public class X <E> {\n" +
" static class XMember<F> {}\n" +
"\n" +
" // with toplevel element type\n" +
" void foo() {\n" +
" XIter<XElement<E>> iter = fooSet().iterator();\n" +
" }\n" +
" XSet<XElement<E>> fooSet() { return null; }\n" +
"\n" +
" // with member element type\n" +
" void bar() {\n" +
" XIter<XMember<E>> iter = barSet().iterator();\n" +
" }\n" +
" XSet<XMember<E>> barSet() { return null; }\n" +
"\n" +
" \n" +
"}\n" +
"\n" +
"class XSet<G> {\n" +
" XIter<G> iterator() { return null; }\n" +
"}\n" +
"class XIter<H> {\n" +
"}\n" +
"class XElement<I> {\n" +
"}\n"
},
"");
}
public void test0315() {
this.runConformTest(
new String[] {
"X.java",
"public class X <E> {\n" +
" static class XMember<F> {}\n" +
"\n" +
" // with member element type\n" +
" void bar() {\n" +
" XIter<X.XMember<E>> iter = barSet().iterator();\n" +
" }\n" +
" XSet<XMember<E>> barSet() { return null; }\n" +
"\n" +
" \n" +
"}\n" +
"\n" +
"class XSet<G> {\n" +
" XIter<G> iterator() { return null; }\n" +
"}\n" +
"class XIter<H> {\n" +
"}\n" +
"class XElement<I> {\n" +
"}\n"
},
"");
}
public void test0316() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.List;\n" +
"\n" +
"public class X <E extends List & Runnable> {\n" +
" \n" +
" E element() { return null; }\n" +
" \n" +
" void bar(X<E> xe) {\n" +
" xe.element().add(this);\n" +
" xe.element().run();\n" +
" }\n" +
" void foo(X<?> xe) {\n" +
" xe.element().add(this);\n" +
" xe.element().run();\n" +
" }\n" +
" void baz(X<? extends XM> xe) {\n" +
" xe.element().add(this);\n" +
" xe.element().run();\n" +
" }\n" +
" abstract class XM implements List, Runnable {}\n" +
" Zork z;\n" +
"}\n"
},
"----------\n" +
"1. WARNING in X.java (at line 3)\n" +
" public class X <E extends List & Runnable> {\n" +
" ^^^^\n" +
"List is a raw type. References to generic type List<E> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 8)\n" +
" xe.element().add(this);\n" +
" ^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: The method add(Object) belongs to the raw type List. References to generic type List<E> should be parameterized\n" +
"----------\n" +
"3. WARNING in X.java (at line 12)\n" +
" xe.element().add(this);\n" +
" ^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: The method add(Object) belongs to the raw type List. References to generic type List<E> should be parameterized\n" +
"----------\n" +
"4. WARNING in X.java (at line 16)\n" +
" xe.element().add(this);\n" +
" ^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: The method add(Object) belongs to the raw type List. References to generic type List<E> should be parameterized\n" +
"----------\n" +
"5. WARNING in X.java (at line 19)\n" +
" abstract class XM implements List, Runnable {}\n" +
" ^^^^\n" +
"List is a raw type. References to generic type List<E> should be parameterized\n" +
"----------\n" +
"6. ERROR in X.java (at line 20)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
public void test0317() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.List;\n" +
"\n" +
"public class X <E extends List & Runnable> {\n" +
" \n" +
" E element() { return null; }\n" +
" \n" +
" void foo(X<? extends XI> xe) {\n" +
" xe.element().add(this);\n" +
" xe.element().run();\n" +
" }\n" +
" void baz(X<? extends XM> xe) {\n" +
" xe.element().add(this);\n" +
" xe.element().run();\n" +
" }\n" +
" interface XI extends Runnable {}\n" +
" \n" +
" class XM {\n" +
" void foo() {}\n" +
" }\n" +
" Zork z;\n" +
"}\n"
},
"----------\n" +
"1. WARNING in X.java (at line 3)\n" +
" public class X <E extends List & Runnable> {\n" +
" ^^^^\n" +
"List is a raw type. References to generic type List<E> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 8)\n" +
" xe.element().add(this);\n" +
" ^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: The method add(Object) belongs to the raw type List. References to generic type List<E> should be parameterized\n" +
"----------\n" +
"3. WARNING in X.java (at line 12)\n" +
" xe.element().add(this);\n" +
" ^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: The method add(Object) belongs to the raw type List. References to generic type List<E> should be parameterized\n" +
"----------\n" +
"4. ERROR in X.java (at line 20)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=75548
public void test0318() {
this.runConformTest(
new String[] {
"MyCache.java",
"class Cache<K, V> {\n" +
"}\n" +
"\n" +
"class Index<K, V> {\n" +
" public Index(Cache<?, V> parentCache) {\n" +
" }\n" +
"}\n" +
"\n" +
"public class MyCache extends Cache<Integer, String> {\n" +
" class AnIndex extends Index<String, String> {\n" +
" public AnIndex() {\n" +
" super(MyCache.this); // <-- Eclipse cannot find the constructor!\n" +
" }\n" +
" }\n" +
"}\n"
},
"");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=76729
public void test0319() {
this.runConformTest(
new String[] {
"test/Test1.java",
"package test;\n" +
"\n" +
"class A<BB extends B>\n" +
"{}\n" +
"\n" +
"class B<AA extends A>\n" +
"{}\n" +
"\n" +
"public interface Test1<C extends B<?>, D extends A<?>>\n" +
"{}\n" +
"\n" +
"class AbstractA extends A<AbstractB> {};\n" +
"class AbstractB extends B<AbstractA> {};\n" +
"\n" +
"class Test2<E extends AbstractB, F extends AbstractA> implements Test1<E, F>\n" +
"{}"
},
"");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=74032
public void test0320() {
this.runConformTest(
new String[] {
"X.java",
"import java.util.ArrayList;\n" +
"import java.util.List;\n" +
"class TestElement extends ArrayList implements Runnable {\n" +
" public void run() {\n" +
" }\n" +
"}\n" +
"public class X <E extends List & Runnable> {\n" +
" public X(E element) {\n" +
" element.run();\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" new X<TestElement>(new TestElement());\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
"}\n"
},
"SUCCESS");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=74032 - variation with wildcard
public void test0321() {
this.runConformTest(
new String[] {
"X.java",
"import java.util.ArrayList;\n" +
"import java.util.List;\n" +
"class TestElement extends ArrayList implements Runnable {\n" +
" static final long serialVersionUID = 1l;\n" +
" public void run() {\n" +
" // empty\n" +
" }\n" +
"}\n" +
"public class X <E extends List & Runnable> {\n" +
" E element;\n" +
" public X(E element) {\n" +
" this.element = element;\n" +
" element.run();\n" +
" }\n" +
" public X(X<?> x) {\n" +
" x.element.run();\n" + // should be able to bind to #run()
" }\n" +
" public static void main(String[] args) {\n" +
" new X<TestElement>(new TestElement());\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
"}\n"
},
"SUCCESS");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=75134
public void test0322() {
this.runConformTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"public class X<A> {\n" +
"\n" +
" A v2;\n" +
" X(A a) { v2 = a; }\n" +
" \n" +
" void func() {\n" +
" List<B<A>> l = new ArrayList<B<A>>();\n" +
" }\n" +
"\n" +
" class B<T> {\n" +
" T v1;\n" +
" B(T b) { v1 = b; }\n" +
" }\n" +
" \n" +
"}\n"
},
"");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=76359 - also check warnings for raw conversion
public void test0323() {
this.runNegativeTest(
new String[] {
"X.java",
"class G<T> {\n" +
" class Member {}\n" +
"}\n" +
"public class X {\n" +
" G<String> g = new G();\n" +
" G<String>.Member gsm = g.new Member();\n" +
" G.Member gm = null;\n" +
" G<Thread>.Member gtm = gm;\n" +
" Zork z;\n" +
"}\n"
},
"----------\n" +
"1. WARNING in X.java (at line 5)\n" +
" G<String> g = new G();\n" +
" ^^^^^^^\n" +
"Type safety: The expression of type G needs unchecked conversion to conform to G<String>\n" +
"----------\n" +
"2. WARNING in X.java (at line 5)\n" +
" G<String> g = new G();\n" +
" ^\n" +
"G is a raw type. References to generic type G<T> should be parameterized\n" +
"----------\n" +
"3. WARNING in X.java (at line 7)\n" +
" G.Member gm = null;\n" +
" ^^^^^^^^\n" +
"G.Member is a raw type. References to generic type G<T>.Member should be parameterized\n" +
"----------\n" +
"4. WARNING in X.java (at line 8)\n" +
" G<Thread>.Member gtm = gm;\n" +
" ^^\n" +
"Type safety: The expression of type G.Member needs unchecked conversion to conform to G<Thread>.Member\n" +
"----------\n" +
"5. ERROR in X.java (at line 9)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=72998
public void test0324() {
this.runConformTest(
new String[] {
"X.java",
"import java.util.Iterator;\n" +
"import java.util.Set;\n" +
"\n" +
"public class X<E> {\n" +
" private TreeNode<E> root;\n" +
"\n" +
" public void doSomething() {\n" +
" for (TreeNode<E> child : root.children()) {\n" +
" // root.children() should work??\n" +
" }\n" +
" }\n" +
"\n" +
" public void doSomethingElse() {\n" +
" for (Iterator<TreeNode<E>> it = root.children().iterator(); it.hasNext();) {\n" +
" // this also should work\n" +
" }\n" +
" }\n" +
"}\n" +
"\n" +
"class TreeNode<E> {\n" +
" private Set<TreeNode<E>> children;\n" +
" \n" +
" public Set<TreeNode<E>> children() {\n" +
" return children;\n" +
" }\n" +
"}\n"
},
"");
}
public void test0325() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X <T> {\n" +
" void foo1() {\n" +
" X<String>.Item<Thread> i = new X<Exception>().new Item<Thread>();\n" +
" }\n" +
" void foo2() {\n" +
" X<Exception>.Item<Thread> j = new X<Exception>.Item<Thread>();\n" + // allowed per grammar
" }\n" +
" void foo3() {\n" +
" X.Item k = new X.Item();\n" +
" }\n" +
" static void foo4() {\n" +
" X.Item k = new X.Item();\n" +
" }\n" +
" class Item <E> {}\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 3)\n" +
" X<String>.Item<Thread> i = new X<Exception>().new Item<Thread>();\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from X<Exception>.Item<Thread> to X<String>.Item<Thread>\n" +
"----------\n" +
"2. ERROR in X.java (at line 6)\n" +
" X<Exception>.Item<Thread> j = new X<Exception>.Item<Thread>();\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"Cannot allocate the member type X<Exception>.Item<Thread> using a parameterized compound name; use its simple name and an enclosing instance of type X<Exception>\n" +
"----------\n" +
"3. WARNING in X.java (at line 9)\n" +
" X.Item k = new X.Item();\n" +
" ^^^^^^\n" +
"X.Item is a raw type. References to generic type X<T>.Item<E> should be parameterized\n" +
"----------\n" +
"4. WARNING in X.java (at line 9)\n" +
" X.Item k = new X.Item();\n" +
" ^^^^^^\n" +
"X.Item is a raw type. References to generic type X<T>.Item<E> should be parameterized\n" +
"----------\n" +
"5. WARNING in X.java (at line 12)\n" +
" X.Item k = new X.Item();\n" +
" ^^^^^^\n" +
"X.Item is a raw type. References to generic type X<T>.Item<E> should be parameterized\n" +
"----------\n" +
"6. ERROR in X.java (at line 12)\n" +
" X.Item k = new X.Item();\n" +
" ^^^^^^^^^^^^\n" +
"No enclosing instance of type X<T> is accessible. Must qualify the allocation with an enclosing instance of type X<T> (e.g. x.new A() where x is an instance of X<T>).\n" +
"----------\n" +
"7. WARNING in X.java (at line 12)\n" +
" X.Item k = new X.Item();\n" +
" ^^^^^^\n" +
"X.Item is a raw type. References to generic type X<T>.Item<E> should be parameterized\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=75400
public void test0326() {
this.runConformTest(
new String[] {
"X.java",
"public class X<T> implements I<T> {\n" +
" public I.A foo() {\n" +
" return a;\n" +
" }\n" +
"} \n" +
"interface I<T> {\n" +
" A a = new A();\n" +
" class A {\n" +
" }\n" +
"}\n" +
"\n" +
"class XM<T> {\n" +
" A a = new A();\n" +
" class A {\n" +
" }\n" +
"} \n" +
"\n" +
"class XMSub<T> extends XM<T> {\n" +
" public XM.A foo() {\n" +
" return a;\n" +
" }\n" +
"} \n" +
"\n"
},
"");
}
// wildcard captures bound and variable superinterfaces
public void test0327() {
this.runConformTest(
// test directory preparation
new String[] { /* test files */
"X.java",
"public class X<T extends IFoo> {\n" +
" \n" +
" T element() { return null; }\n" +
" void baz(X<? extends IBar> x) {\n" +
" x.element().foo();\n" +
" x.element().bar();\n" +
" }\n" +
"}\n" +
"interface IFoo {\n" +
" void foo();\n" +
"}\n" +
"interface IBar {\n" +
" void bar();\n" +
"}\n"
},
// javac options
JavacTestOptions.JavacHasABug.JavacBugFixed_6_10 /* javac test options */);
}
// wildcard captures bound and variable superinterfaces
public void test0328() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T extends IFoo> {\n" +
" T element;\n" +
" X(T element) { \n" +
" this.element = element; \n" +
" }\n" +
" static void baz(X<? extends IBar> x) {\n" +
" x.element.foo();\n" +
" x.element.bar();\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" X<Foo> x1 = new X<Foo>(new Foo());\n" +
" baz(x1);\n" +
" X<Bar> x2 = new X<Bar>(new Bar());\n" +
" baz(x2);\n" +
" X<FooBar> x3 = new X<FooBar>(new FooBar());\n" +
" baz(x3);\n" +
" }\n" +
"}\n" +
"interface IFoo {\n" +
" void foo();\n" +
"}\n" +
"interface IBar {\n" +
" void bar();\n" +
"}\n" +
"class Foo implements IFoo {\n" +
" public void foo() {\n" +
" System.out.print(\"FOO\");\n" +
" }\n" +
"}\n" +
"class Bar implements IBar {\n" +
" public void bar() {\n" +
" System.out.print(\"BAR\");\n" +
" }\n" +
"}\n" +
"class FooBar extends Foo implements IBar {\n" +
" public void bar() {\n" +
" System.out.print(\"BAR\");\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 12)\n" +
" baz(x1);\n" +
" ^^^\n" +
"The method baz(X<? extends IBar>) in the type X<T> is not applicable for the arguments (X<Foo>)\n" +
"----------\n" +
"2. ERROR in X.java (at line 13)\n" +
" X<Bar> x2 = new X<Bar>(new Bar());\n" +
" ^^^\n" +
"Bound mismatch: The type Bar is not a valid substitute for the bounded parameter <T extends IFoo> of the type X<T>\n" +
"----------\n" +
"3. ERROR in X.java (at line 13)\n" +
" X<Bar> x2 = new X<Bar>(new Bar());\n" +
" ^^^\n" +
"Bound mismatch: The type Bar is not a valid substitute for the bounded parameter <T extends IFoo> of the type X<T>\n" +
"----------\n");
}
// wildcard captures bound and variable superinterfaces
public void test0329() {
this.runConformTest(
// test directory preparation
true /* flush output directory */,
new String[] { /* test files */
"X.java",
"public class X<T extends IFoo> {\n" +
" T element;\n" +
" X(T element) { \n" +
" this.element = element; \n" +
" }\n" +
" static void baz(X<? extends IBar> x) {\n" +
" x.element.foo();\n" +
" x.element.bar();\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" X<FooBar> x3 = new X<FooBar>(new FooBar());\n" +
" baz(x3);\n" +
" }\n" +
"}\n" +
"interface IFoo {\n" +
" void foo();\n" +
"}\n" +
"interface IBar {\n" +
" void bar();\n" +
"}\n" +
"class FooBar implements IFoo, IBar {\n" +
" public void foo() {\n" +
" System.out.print(\"FOO\");\n" +
" }\n" +
" public void bar() {\n" +
" System.out.print(\"BAR\");\n" +
" }\n" +
"}\n",
},
// compiler results
null /* do not check compiler log */,
// runtime results
"FOOBAR" /* expected output string */,
null /* do not check error string */,
// javac options
JavacTestOptions.JavacHasABug.JavacBugFixed_6_10 /* javac test options */);
}
// wildcard captures bound superclass and variable superclass
public void test0330() {
this.runConformTest(
new String[] {
"X.java",
"public class X<T extends Foo> {\n" +
" T element;\n" +
" X(T element) { \n" +
" this.element = element; \n" +
" }\n" +
" static void baz(X<? extends FooBar> x) {\n" +
" x.element.foo();\n" +
" x.element.bar();\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" X<FooBar> x3 = new X<FooBar>(new FooBar());\n" +
" baz(x3);\n" +
" }\n" +
"}\n" +
"interface IBar {\n" +
" void bar();\n" +
"}\n" +
"class Foo {\n" +
" public void foo() {\n" +
" System.out.print(\"FOO\");\n" +
" }\n" +
"}\n" +
"class FooBar extends Foo implements IBar {\n" +
" public void bar() {\n" +
" System.out.print(\"BAR\");\n" +
" }\n" +
"}\n",
},
"FOOBAR");
}
// wildcard captures bound superclass and variable superclass
public void test0331() {
this.runConformTest(
// test directory preparation
true /* flush output directory */,
new String[] { /* test files */
"X.java",
"public class X<T extends Foo> {\n" +
" T element;\n" +
" X(T element) { \n" +
" this.element = element; \n" +
" }\n" +
" static void baz(X<? extends IBar> x) {\n" +
" x.element.foo();\n" +
" x.element.bar();\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" X<FooBar> x3 = new X<FooBar>(new FooBar());\n" +
" baz(x3);\n" +
" }\n" +
"}\n" +
"interface IBar {\n" +
" void bar();\n" +
"}\n" +
"class Foo {\n" +
" public void foo() {\n" +
" System.out.print(\"FOO\");\n" +
" }\n" +
"}\n" +
"class FooBar extends Foo implements IBar {\n" +
" public void bar() {\n" +
" System.out.print(\"BAR\");\n" +
" }\n" +
"}\n",
},
// compiler results
null /* do not check compiler log */,
// runtime results
"FOOBAR" /* expected output string */,
null /* do not check error string */,
// javac options
JavacTestOptions.JavacHasABug.JavacBugFixed_6_10 /* javac test options */);
}
// wildcard considers bound superclass or variable superclass
public void test0332() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T extends Foo> {\n" +
" T element;\n" +
" X(T element) { \n" +
" this.element = element; \n" +
" }\n" +
" static void baz(X<? extends IBar> x) {\n" + // captures Foo & IBar
" x.element.foo();\n" +
" x.element.bar();\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" baz(new X<FooBar>(new FooBar()));\n" +
" baz(new X<Bar>(new Bar()));\n" +
" }\n" +
"}\n" +
"interface IBar {\n" +
" void bar();\n" +
"}\n" +
"\n" +
"class Bar implements IBar {\n" +
" public void bar() {\n" +
" System.out.print(\"BAR\");\n" +
" }\n" +
"}\n" +
"\n" +
"class Foo {\n" +
" public void foo() {\n" +
" System.out.print(\"FOO\");\n" +
" }\n" +
"}\n" +
"\n" +
"class FooBar extends Foo implements IBar {\n" +
" public void bar() {\n" +
" System.out.print(\"BAR\");\n" +
" }\n" +
"}\n" ,
},
"----------\n" +
"1. ERROR in X.java (at line 12)\n" +
" baz(new X<Bar>(new Bar()));\n" +
" ^^^\n" +
"Bound mismatch: The type Bar is not a valid substitute for the bounded parameter <T extends Foo> of the type X<T>\n" +
"----------\n");
}
// receveir generic cast matches receiver type (not declaring class)
public void test0333() {
this.runConformTest(
new String[] {
"X.java",
"public class X<T> {\n" +
" T element;\n" +
" X(T element) { this.element = element; }\n" +
" T element() { return this.element; }\n" +
" public static void main(String[] args) {\n" +
" new X<XB>(new XB()).element().afoo();\n" +
" }\n" +
"}\n" +
"\n" +
"class XA {\n" +
" void afoo() {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
"}\n" +
"class XB extends XA {\n" +
" void bfoo() {}\n" +
"}\n" ,
},
"SUCCESS");
}
// check cannot allocate type parameters
public void test0334() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X <E> {\n" +
" public X() {\n" +
" new E();\n" +
" new E() {\n" +
" void perform() {\n" +
" run();\n" +
" }\n" +
" }.perform();\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 3)\n" +
" new E();\n" +
" ^\n" +
"Cannot instantiate the type E\n" +
"----------\n" +
"2. ERROR in X.java (at line 4)\n" +
" new E() {\n" +
" void perform() {\n" +
" run();\n" +
" }\n" +
" }.perform();\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Cannot refer to the type parameter E as a supertype\n" +
"----------\n");
}
// variation - check cannot allocate type parameters
public void test0335() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X <E extends String> {\n" + // firstBound is class, still cannot be instantiated
" public X() {\n" +
" new E();\n" +
" new E() {\n" +
" void perform() {\n" +
" run();\n" +
" }\n" +
" }.perform();\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 1)\n" +
" public class X <E extends String> {\n" +
" ^^^^^^\n" +
"The type parameter E should not be bounded by the final type String. Final types cannot be further extended\n" +
"----------\n" +
"2. ERROR in X.java (at line 3)\n" +
" new E();\n" +
" ^\n" +
"Cannot instantiate the type E\n" +
"----------\n" +
"3. ERROR in X.java (at line 4)\n" +
" new E() {\n" +
" void perform() {\n" +
" run();\n" +
" }\n" +
" }.perform();\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Cannot refer to the type parameter E as a supertype\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=74669
public void test0336() {
this.runNegativeTest(
new String[] {
"X.java",
"interface IMyInterface {\n" +
"}\n" +
"class MyClass <Type> {\n" +
"\n" +
" public <Type> Type myMethod(Object obj, Class type) {\n" +
" return null;\n" +
" }\n" +
" public static <Type> Type myStaticMethod(Object obj, Class type) {\n" +
" return null;\n" +
" }\n" +
"}\n" +
"public class X {\n" +
" public IMyInterface getThis() {\n" +
" if (true)\n" +
" return new MyClass().myMethod(this, IMyInterface.class);\n" +
" else\n" +
" return MyClass.myStaticMethod(this, IMyInterface.class);\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 5)\n" +
" public <Type> Type myMethod(Object obj, Class type) {\n" +
" ^^^^\n" +
"The type parameter Type is hiding the type Type\n" +
"----------\n" +
"2. WARNING in X.java (at line 5)\n" +
" public <Type> Type myMethod(Object obj, Class type) {\n" +
" ^^^^^\n" +
"Class is a raw type. References to generic type Class<T> should be parameterized\n" +
"----------\n" +
"3. WARNING in X.java (at line 8)\n" +
" public static <Type> Type myStaticMethod(Object obj, Class type) {\n" +
" ^^^^^\n" +
"Class is a raw type. References to generic type Class<T> should be parameterized\n" +
"----------\n" +
"4. ERROR in X.java (at line 15)\n" +
" return new MyClass().myMethod(this, IMyInterface.class);\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Object to IMyInterface\n" +
"----------\n" +
"5. WARNING in X.java (at line 15)\n" +
" return new MyClass().myMethod(this, IMyInterface.class);\n" +
" ^^^^^^^\n" +
"MyClass is a raw type. References to generic type MyClass<Type> should be parameterized\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=77078
public void test0337() {
this.runConformTest(
new String[] {
"X.java",
"import java.util.Vector;\n" +
"public class X {\n" +
" public void foo() {\n" +
" Vector<Object> objectVector = new Vector<Object>() {\n" +
" protected void bar() {\n" +
" baz(this); /* ERROR */\n" +
" }\n" +
" };\n" +
" baz(objectVector);\n" +
" baz(new Vector<Object>());\n" +
" }\n" +
" public void baz(Vector<?> mysteryVector) { }\n" +
"}\n",
},
"");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=77052
public void test0338() {
this.runConformTest(
new String[] {
"X.java",
"interface M<X> { }\n" +
"\n" +
"class N<C> { \n" +
" M<N<C>> pni = null;\n" +
"}\n" +
"\n" +
"public class X<I> {\n" +
" N<I> var1 = null;\n" +
"\n" +
" M<N<I>> var2 = var1.pni;\n" +
" // Above line reports as error in Eclipse. \n" +
" // \"var2\" is underlined and the error message is: \n" +
" // Type mismatch: cannot convert from M<N<C>> to M<N<I>>\n" +
"}\n",
},
"");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=77052 - variation
public void test0339() {
this.runConformTest(
new String[] {
"X.java",
"import java.util.Iterator;\n" +
"import java.util.Set;\n" +
"\n" +
"class X <K, V> {\n" +
" static class Entry<K, V> {}\n" +
" void foo() {\n" +
" Iterator<Entry<K,V>> i = entrySet().iterator();\n" +
" }\n" +
" Set<Entry<K,V>> entrySet() { return null; }\n" +
"}\n",
},
"");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=76313
public void test0340() {
this.runConformTest(
new String[] {
"X.java",
"public class X<T> {\n" +
" private T data;\n" +
" private X(T data){ this.data=data; }\n" +
" public static <S> X<S> createObject(S data){\n" +
" System.out.println(data);\n" +
" return new X<S>(data);\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" X<String> res=X.createObject(\"Hallo\");\n" +
" }\n" +
"}\n",
},
"Hallo");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=77118
public void test0341() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" public Object getItem() { return null; }\n" +
"}\n",
"Y.java",
"public class Y extends X {\n" +
" public String getItem() { return null; }\n" +
"}\n",
"Z.java",
"public class Z extends X {\n" +
" public Comparable getItem() { return null; }\n" +
"}\n",
},
"");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=77142 - check no raw unsafe warning is issued when accessing generic method from raw type
public void test0342() {
this.runNegativeTest(
new String[] {
"Test.java",
"class MyClass<T> {\n" +
" \n" +
" private T thing;\n" +
" { Zork z; }\n" +
" \n" +
" public\n" +
" MyClass(T thing) {\n" +
" this.thing = thing;\n" +
" }\n" +
" \n" +
" public static <U> MyClass<U>\n" +
" factoryMakeMyClass(U thing) {\n" +
" return new MyClass<U>(thing);\n" +
" }\n" +
"}\n" +
"\n" +
"class External {\n" +
"\n" +
" public static <U> MyClass<U>\n" +
" factoryMakeMyClass(U thing) {\n" +
" return new MyClass<U>(thing);\n" +
" }\n" +
"}\n" +
"\n" +
"public class Test {\n" +
" public static void\n" +
" test()\n" +
" {\n" +
" // No problem with this line:\n" +
" MyClass<String> foo = External.factoryMakeMyClass(\"hi\");\n" +
" \n" +
" // This line gives me an error:\n" +
" // Type mismatch: cannot convert from MyClass<Object> to MyClass<String>\n" +
" MyClass<String> bar = MyClass.factoryMakeMyClass(\"hi\");\n" +
" MyClass<String> bar2 = MyClass.<String>factoryMakeMyClass(\"hi\");\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in Test.java (at line 4)\n" +
" { Zork z; }\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=74588
public void test0343() {
this.runConformTest(
new String[] {
"X.java",
"public class X<T extends Number> {\n" +
" T m;\n" +
"\n" +
" class Y<T> {\n" +
" void test() {\n" +
" new Y<Integer>() {\n" +
" void test() {\n" +
" System.out.println(X.this.m);\n" +
" }\n" +
" }.test();\n" +
" }\n" +
" }\n" +
"}\n" +
"\n",
},
"");
}
// checking scenario where generic type and method share the same type parameter name
public void test0344() {
if (this.complianceLevel < ClassFileConstants.JDK1_7) {
this.runNegativeTest(
new String[] {
"X.java",
"import java.io.IOException;\n" +
"\n" +
"public abstract class X<T extends Runnable> {\n" +
" \n" +
" public abstract <T extends Exception> T bar(T t);\n" +
"\n" +
" static void foo(X x) {\n" +
" x.<Exception>bar(null);\n" +
" \n" +
" class R implements Runnable {\n" +
" public void run() {\n" +
" }\n" +
" }\n" +
" X<R> xr = new X<R>(){ \n" +
" public <T> T bar(T t) { \n" +
" return t; \n" +
" }\n" +
" };\n" +
" IOException e = xr.bar(new IOException());\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. WARNING in X.java (at line 5)\n" +
" public abstract <T extends Exception> T bar(T t);\n" +
" ^\n" +
"The type parameter T is hiding the type T\n" +
"----------\n" +
"2. WARNING in X.java (at line 7)\n" +
" static void foo(X x) {\n" +
" ^\n" +
"X is a raw type. References to generic type X<T> should be parameterized\n" +
"----------\n" +
"3. ERROR in X.java (at line 8)\n" +
" x.<Exception>bar(null);\n" +
" ^^^\n" +
"The method bar(Exception) of raw type X is no longer generic; it cannot be parameterized with arguments <Exception>\n" +
"----------\n" +
"4. ERROR in X.java (at line 14)\n" +
" X<R> xr = new X<R>(){ \n" +
" ^^^^^^\n" +
"The type new X<R>(){} must implement the inherited abstract method X<R>.bar(T)\n" +
"----------\n");
return;
}
this.runNegativeTest(
new String[] {
"X.java",
"import java.io.IOException;\n" +
"\n" +
"public abstract class X<T extends Runnable> {\n" +
" \n" +
" public abstract <T extends Exception> T bar(T t);\n" +
"\n" +
" static void foo(X x) {\n" +
" x.<Exception>bar(null);\n" +
" \n" +
" class R implements Runnable {\n" +
" public void run() {\n" +
" }\n" +
" }\n" +
" X<R> xr = new X<R>(){ \n" +
" public <T> T bar(T t) { \n" +
" return t; \n" +
" }\n" +
" };\n" +
" IOException e = xr.bar(new IOException());\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. WARNING in X.java (at line 5)\n" +
" public abstract <T extends Exception> T bar(T t);\n" +
" ^\n" +
"The type parameter T is hiding the type T\n" +
"----------\n" +
"2. WARNING in X.java (at line 7)\n" +
" static void foo(X x) {\n" +
" ^\n" +
"X is a raw type. References to generic type X<T> should be parameterized\n" +
"----------\n" +
"3. WARNING in X.java (at line 8)\n" +
" x.<Exception>bar(null);\n" +
" ^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: The method bar(Exception) belongs to the raw type X. References to generic type X<T> should be parameterized\n" +
"----------\n" +
"4. ERROR in X.java (at line 14)\n" +
" X<R> xr = new X<R>(){ \n" +
" ^^^^^^\n" +
"The type new X<R>(){} must implement the inherited abstract method X<R>.bar(T)\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=74594
public void test0345() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" public static void main(String argv[]) {\n" +
" X1<Integer> o1 = new X1<Integer>();\n" +
" ((J<Integer>)o1).get();\n" +
" }\n" +
"}\n" +
"\n" +
"class X1<T> implements I<T> {\n" +
" public X1 get() {\n" +
" System.out.println(\"SUCCESS\");\n" +
" return this;\n" +
" }\n" +
"}\n" +
"\n" +
"interface I<T> extends J<T> {\n" +
" I get();\n" +
"}\n" +
"\n" +
"interface J<T> {\n" +
" J get();\n" +
"}",
},
"SUCCESS");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=74594
public void test0346() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" public static void main(String argv[]) {\n" +
" X1<Integer> o1 = new X1<Integer>(new Integer(4));\n" +
" System.out.println(o1.get().t);\n" +
" }\n" +
"}\n" +
"\n" +
"class X1<T> implements I<T> {\n" +
" T t;\n" +
" X1(T arg) {\n" +
" t = arg;\n" +
" }\n" +
" public X1 get() {\n" +
" return this;\n" +
" }\n" +
"}\n" +
"\n" +
"interface I<T> extends J<T> {\n" +
" I get();\n" +
"}\n" +
"\n" +
"interface J<T> {\n" +
" J get();\n" +
"}"
,
},
"4");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=74594
public void test0347() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" public static void main(String argv[]) {\n" +
" X1<Integer> o = new X1<Integer>(new Integer(4));\n" +
" System.out.println(o.get().t);\n" +
" }\n" +
"}\n" +
"\n" +
"class X1<T> implements I<T> {\n" +
" T t;\n" +
" X1(T arg) {\n" +
" t = arg;\n" +
" }\n" +
" public X1 get() {\n" +
" return this;\n" +
" }\n" +
"} \n" +
"\n" +
"interface I<T> extends K<T>, L<T> {\n" +
" I get();\n" +
"}\n" +
"\n" +
"interface J<T> {\n" +
" J get();\n" +
"}\n" +
"\n" +
"interface K<T> extends J<T> {\n" +
"}\n" +
"\n" +
"interface L<T> {\n" +
" K get();\n" +
"}",
},
"4");
}
// checking scenario where generic type and method share the same type parameter name
public void test0348() {
if (this.complianceLevel < ClassFileConstants.JDK1_7) {
this.runNegativeTest(
new String[] {
"X.java",
"import java.io.IOException;\n" +
"public abstract class X<T extends Runnable> {\n" +
" public abstract <T extends Exception> T bar(T t);\n" +
" static void foo(X x) {\n" +
" x.<Exception>bar(null);\n" +
" class R implements Runnable {\n" +
" public void run() {}\n" +
" }\n" +
" X<R> xr = new X<R>(){ \n" +
" public <T extends Exception> T bar(T t) { return t; }\n" +
" };\n" +
" IOException e = xr.bar(new IOException());\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. WARNING in X.java (at line 3)\n" +
" public abstract <T extends Exception> T bar(T t);\n" +
" ^\n" +
"The type parameter T is hiding the type T\n" +
"----------\n" +
"2. WARNING in X.java (at line 4)\n" +
" static void foo(X x) {\n" +
" ^\n" +
"X is a raw type. References to generic type X<T> should be parameterized\n" +
"----------\n" +
"3. ERROR in X.java (at line 5)\n" +
" x.<Exception>bar(null);\n" +
" ^^^\n" +
"The method bar(Exception) of raw type X is no longer generic; it cannot be parameterized with arguments <Exception>\n" +
"----------\n" +
"4. WARNING in X.java (at line 10)\n" +
" public <T extends Exception> T bar(T t) { return t; }\n" +
" ^^^^^^^^\n" +
"The method bar(T) of type new X<R>(){} should be tagged with @Override since it actually overrides a superclass method\n" +
"----------\n",
JavacTestOptions.EclipseHasABug.EclipseBug236242);
return;
}
this.runNegativeTest(
new String[] {
"X.java",
"import java.io.IOException;\n" +
"public abstract class X<T extends Runnable> {\n" +
" public abstract <T extends Exception> T bar(T t);\n" +
" static void foo(X x) {\n" +
" x.<Exception>bar(null);\n" +
" class R implements Runnable {\n" +
" public void run() { zork = 0; }\n" +
" }\n" +
" X<R> xr = new X<R>(){ \n" +
" public <T extends Exception> T bar(T t) { return t; }\n" +
" };\n" +
" IOException e = xr.bar(new IOException());\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. WARNING in X.java (at line 3)\n" +
" public abstract <T extends Exception> T bar(T t);\n" +
" ^\n" +
"The type parameter T is hiding the type T\n" +
"----------\n" +
"2. WARNING in X.java (at line 4)\n" +
" static void foo(X x) {\n" +
" ^\n" +
"X is a raw type. References to generic type X<T> should be parameterized\n" +
"----------\n" +
"3. WARNING in X.java (at line 5)\n" +
" x.<Exception>bar(null);\n" +
" ^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: The method bar(Exception) belongs to the raw type X. References to generic type X<T> should be parameterized\n" +
"----------\n" +
"4. ERROR in X.java (at line 7)\n" +
" public void run() { zork = 0; }\n" +
" ^^^^\n" +
"zork cannot be resolved to a variable\n" +
"----------\n" +
"5. WARNING in X.java (at line 10)\n" +
" public <T extends Exception> T bar(T t) { return t; }\n" +
" ^^^^^^^^\n" +
"The method bar(T) of type new X<R>(){} should be tagged with @Override since it actually overrides a superclass method\n" +
"----------\n",
JavacTestOptions.EclipseHasABug.EclipseBug236242);
}
// test wildcard compatibilities
public void test0349() {
this.runConformTest(
new String[] {
"X.java",
"public class X<T> {\n" +
" T element;\n" +
" static void foo(X<? super Exception> out, X1<? extends Exception> in) {\n" +
" out.element = in.element;\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
"}\n" +
"class X1<U>{\n" +
" U element;\n" +
"}\n",
},
"SUCCESS");
}
// test wildcard compatibilities
public void test0350() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T> {\n" +
" T element;\n" +
" static void foo(X<?> out, X1<?> in) {\n" +
" out.element = in.element;\n" +
" }\n" +
"}\n" +
"class X1<U>{\n" +
" U element;\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" out.element = in.element;\n" +
" ^^^^^^^^^^\n" +
"Type mismatch: cannot convert from capture#2-of ? to capture#1-of ?\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=75328
public void test0351() {
this.runConformTest(
new String[] {
"X.java",
"interface Intf<D extends Comparable<D>, I extends Comparable<D>> { \n" +
" public void f(Intf<D,?> val);\n" +
"}\n" +
"\n" +
"public class X <M extends Comparable<M>, P extends Comparable<M>> implements Intf<M,P> {\n" +
"\n" +
" public void f(Intf<M,?> val) { } \n" +
"}\n",
},
"");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=77051
public void test0352() {
this.runConformTest(
new String[] {
"X.java",
"interface C<A> { }\n" +
"interface PC<X> extends C<X> { } \n" +
"interface PO<Y> { \n" +
" C<Y> proc1();\n" +
" C<? super Y> proc2();\n" +
" C<? extends Y> proc3();\n" +
"}\n" +
"abstract class X<Z> implements PO<Z> {\n" +
" public C<Z> proc1() { return result1; }\n" +
" private final PC<Z> result1 = null;\n" +
" public C<? super Z> proc2() { return result2; }\n" +
" private final PC<? super Z> result2 = null;\n" +
" public C<? extends Z> proc3() { return result3; }\n" +
" private final PC<? extends Z> result3 = null;\n" +
"}\n",
},
"");
}
public void test0353() {
this.runConformTest(
new String[] {
"X.java",
"public class X extends Y {\n" +
" <T> T foo(Class<T> c) { return null; }\n" +
"}\n" +
"class Y {\n" +
" <T> T foo(Class<T> c) { return null; }\n" +
"}"
},
"");
}
public void test0354() {
this.runConformTest(
new String[] {
"X.java",
"public class X extends Y {\n" +
" <T, S> S foo(Class<T> c) { return null; }\n" +
"}\n" +
"class Y {\n" +
" <S, T> T foo(Class<S> c) { return null; }\n" +
"}"
},
"");
}
public void test0355() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X extends Y {\n" +
" <T, S> S foo(Class<S> c) { return null; }\n" +
"}\n" +
"class Y {\n" +
" <S, T> S foo(Class<S> c) { return null; }\n" +
"}"
},
"----------\n" +
"1. ERROR in X.java (at line 2)\n" +
" <T, S> S foo(Class<S> c) { return null; }\n" +
" ^^^^^^^^^^^^^^^\n" +
"Name clash: The method foo(Class<S>) of type X has the same erasure as foo(Class<S>) of type Y but does not override it\n" +
"----------\n");
}
public void test0356() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X extends Y {\n" +
" <T, S> T foo(Class<T> c) { return null; }\n" +
"}\n" +
"class Y {\n" +
" <T> T foo(Class<T> c) { return null; }\n" +
"}"
},
"----------\n" +
"1. ERROR in X.java (at line 2)\n" +
" <T, S> T foo(Class<T> c) { return null; }\n" +
" ^^^^^^^^^^^^^^^\n" +
"Name clash: The method foo(Class<T>) of type X has the same erasure as foo(Class<T>) of type Y but does not override it\n" +
"----------\n");
}
public void test0357() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X extends Y {\n" +
" <T> T foo(Class<T> c) { return null; }\n" +
"}\n" +
"class Y {\n" +
" <T, S> T foo(Class<T> c) { return null; }\n" +
"}"
},
"----------\n" +
"1. ERROR in X.java (at line 2)\n" +
" <T> T foo(Class<T> c) { return null; }\n" +
" ^^^^^^^^^^^^^^^\n" +
"Name clash: The method foo(Class<T>) of type X has the same erasure as foo(Class<T>) of type Y but does not override it\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=76720
public void test0358() {
this.runConformTest(
new String[] {
"MyClass.java",
"public class MyClass {}\n",
"A.java",
"public interface A<M extends MyClass> {}\n",
"B.java",
"public interface B<M extends MyClass> extends A<M> {}\n",
"C.java",
"public class C implements B<MyClass> {}\n", // compile against sources
"D.java",
"public class D implements A<MyClass>{}\n", // compile against sources
},
"");
// compile against generated binaries
this.runConformTest(
new String[] {
"C.java",
"public class C implements B<MyClass> {}\n",
"D.java",
"public class D implements A<MyClass>{}\n",
},
"",
null,
false,
null);
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=76790
public void test0359() {
this.runConformTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"public class X {\n" +
" class List1<E> extends LinkedList<E> {};\n" +
" public static void main (String[] args) {\n" +
" Map<String, List<Integer>> x = new HashMap<String, List<Integer>>();\n" +
" Map<String, List1<Integer>> m = new HashMap<String, List1<Integer>>();\n" +
" }\n" +
"}"
}
);
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=76786
public void test0360() {
this.runConformTest(
new String[] {
"Test.java",
"import java.lang.Comparable;\n" +
"public class Test {\n" +
" private static final class X<T1, T2> implements Comparable<X<T1, T2>> {\n" +
" public int compareTo(X<T1, T2> arg0) { return 0; }\n" +
" };\n" +
" private static class Y<T1, T2> {};\n" +
" private static final class Z<T1, T2> extends Y<T1, T2> implements Comparable<Z<T1, T2>> {\n" +
" public int compareTo(Z<T1, T2> arg0) { return 0; }\n" +
" };\n" +
" public static <T> void doSomething(Comparable<? super T> a, Comparable<? super T> b) {}\n" +
" public static <V1, V2> void doSomethingElse(Z<V1, V2> a, Z<V1, V2> b) {\n" +
" doSomething(a, b);\n" +
" }\n" +
" private static final class W { };\n" +
" public static void main(String[] args) {\n" +
" doSomething(new X<Integer, String>(), new X<Integer, String>());\n" +
" doSomething(new Z<Integer, String>(), new Z<Integer, String>());\n" +
" doSomethingElse(new Z<Integer, String>(), new Z<Integer, String>());\n" +
" doSomethingElse(new Z<W, String>(), new Z<W, String>());\n" +
" // The next line won\'t compile. It\'s the generic<generic which seems\n" +
" // to be the problem\n" +
" doSomethingElse(new Z<X<W, W>, String>(), new Z<X<W, W>, String>());\n" +
" }\n" +
"}"
}
);
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=75525
public void test0361() {
this.runConformTest(
new String[] {
"Test.java",
"import java.util.AbstractSet;\n" +
"import java.util.Iterator;\n" +
"import java.util.Map.Entry;\n" +
"public class Test extends AbstractSet<Entry<String,Integer>> {\n" +
" public Iterator<Entry<String, Integer>> iterator() {\n" +
" return new Iterator<Entry<String,Integer>>() {\n" +
" public boolean hasNext() {return false;}\n" +
" public Entry<String, Integer> next() {return null;}\n" +
" public void remove() {} \n" +
" };\n" +
" }\n" +
" public int size() {return 0;}\n" +
"}"
}
);
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=72643
public void test0362() {
Map customOptions= getCompilerOptions();
customOptions.put(CompilerOptions.OPTION_ReportUnusedPrivateMember, CompilerOptions.ERROR);
this.runConformTest(
new String[] {
"Test.java",
"import java.util.ArrayList;\n" +
"import java.util.List;\n" +
"public class Test {\n" +
" public void a() {\n" +
" List<String> list1 = new ArrayList<String>();\n" +
" List<String> list2 = new ArrayList<String>();\n" +
" compare(list1, list2);\n" +
" }\n" +
" private <E> void compare(List<E> list1, List<E> list2) {\n" +
" // do some comparing logic...\n" +
" }\n" +
"}\n" +
"\n"
},
"",
null,
true,
null,
customOptions,
null/*no custom requestor*/);
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=76434
public void test0363() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.Map;\n" +
"import java.util.Set;\n" +
"public class X {\n" +
" Set<Map.Entry<Integer, ?>> m_values;\n" +
" X(Map<Integer, ?> values) {\n" +
" m_values = values.entrySet();\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 6)\n" +
" m_values = values.entrySet();\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Set<Map.Entry<Integer,capture#1-of ?>> to Set<Map.Entry<Integer,?>>\n" +
"----------\n");
}
// check param type equivalences
public void test0364() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X { \n" +
" \n" +
" void bar1(MX<Class<? extends String>> mxcs, MX<Class<? extends Object>> mxco) {\n" +
" mxco = mxcs;\n" + // wrong
" }\n" +
" void bar1(Class<? extends String> cs, Class<? extends Object> co) {\n" +
" co = cs;\n" + // ok
" }\n" +
" \n" +
"}\n" +
"class MX<E> {\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" mxco = mxcs;\n" +
" ^^^^\n" +
"Type mismatch: cannot convert from MX<Class<? extends String>> to MX<Class<? extends Object>>\n" +
"----------\n");
}
// check param type equivalences
public void test0365() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T extends Runnable> {\n" +
" \n" +
" class MX <U> {\n" +
" }\n" +
" \n" +
" MX<T> createMX() { return new MX<T>(); }\n" +
"\n" +
" void foo(X<?> x, MX<?> mx) {\n" +
" mx = x.createMX();\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 9)\n" +
" mx = x.createMX();\n" +
" ^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from X<capture#2-of ?>.MX<capture#2-of ?> to X<T>.MX<?>\n" +
"----------\n");
}
// check param type equivalences
public void test0366() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X { \n" +
" \n" +
" void foo1(MX<Class<? extends Object>> target, MX<Class> value) {\n" +
" target= value; // foo1 - wrong\n" +
" }\n" +
" void foo2(MX<Class<? extends Object>> target, MX<Class<? extends String>> value) {\n" +
" target= value; // foo2 - wrong\n" +
" }\n" +
" void foo3(MX<Class<? extends Object>> target, MX<Class<? extends String>> value) {\n" +
" target= value; // foo3 - wrong\n" +
" }\n" +
" void foo4(MX<Class<? extends Object>> target, MX<Class<String>> value) {\n" +
" target= value; // foo4 - wrong\n" +
" }\n" +
" void foo5(MX<? extends Class> target, MX<Class> value) {\n" +
" target= value; // foo5\n" +
" }\n" +
" void foo6(MX<? super Class> target, MX<Class> value) {\n" +
" target= value; // foo6\n" +
" }\n" +
" void foo7(MX<Class<? extends Class>> target, MX<Class<Class>> value) {\n" +
" target= value; // foo7 - wrong\n" +
" }\n" +
" void foo8(MX<MX<? extends Class>> target, MX<MX<Class>> value) {\n" +
" target= value; // foo8 - wrong\n" +
" }\n" +
" void foo9(MX<? extends Object> target, MX<? extends String> value) {\n" +
" target= value; // foo9\n" +
" }\n" +
" void foo10(MX<? extends String> target, MX<? extends Object> value) {\n" +
" target= value; // foo10 - wrong\n" +
" }\n" +
" void foo11(MX<? super Object> target, MX<? super String> value) {\n" +
" target= value; // foo11 - wrong\n" +
" }\n" +
" void foo12(MX<? super String> target, MX<? super Object> value) {\n" +
" target= value; // foo12\n" +
" }\n" +
"}\n" +
"\n" +
"class MX<E> {\n" +
"}\n"
},
"----------\n" +
"1. WARNING in X.java (at line 3)\n" +
" void foo1(MX<Class<? extends Object>> target, MX<Class> value) {\n" +
" ^^^^^\n" +
"Class is a raw type. References to generic type Class<T> should be parameterized\n" +
"----------\n" +
"2. ERROR in X.java (at line 4)\n" +
" target= value; // foo1 - wrong\n" +
" ^^^^^\n" +
"Type mismatch: cannot convert from MX<Class> to MX<Class<? extends Object>>\n" +
"----------\n" +
"3. ERROR in X.java (at line 7)\n" +
" target= value; // foo2 - wrong\n" +
" ^^^^^\n" +
"Type mismatch: cannot convert from MX<Class<? extends String>> to MX<Class<? extends Object>>\n" +
"----------\n" +
"4. ERROR in X.java (at line 10)\n" +
" target= value; // foo3 - wrong\n" +
" ^^^^^\n" +
"Type mismatch: cannot convert from MX<Class<? extends String>> to MX<Class<? extends Object>>\n" +
"----------\n" +
"5. ERROR in X.java (at line 13)\n" +
" target= value; // foo4 - wrong\n" +
" ^^^^^\n" +
"Type mismatch: cannot convert from MX<Class<String>> to MX<Class<? extends Object>>\n" +
"----------\n" +
"6. WARNING in X.java (at line 15)\n" +
" void foo5(MX<? extends Class> target, MX<Class> value) {\n" +
" ^^^^^\n" +
"Class is a raw type. References to generic type Class<T> should be parameterized\n" +
"----------\n" +
"7. WARNING in X.java (at line 15)\n" +
" void foo5(MX<? extends Class> target, MX<Class> value) {\n" +
" ^^^^^\n" +
"Class is a raw type. References to generic type Class<T> should be parameterized\n" +
"----------\n" +
"8. WARNING in X.java (at line 18)\n" +
" void foo6(MX<? super Class> target, MX<Class> value) {\n" +
" ^^^^^\n" +
"Class is a raw type. References to generic type Class<T> should be parameterized\n" +
"----------\n" +
"9. WARNING in X.java (at line 18)\n" +
" void foo6(MX<? super Class> target, MX<Class> value) {\n" +
" ^^^^^\n" +
"Class is a raw type. References to generic type Class<T> should be parameterized\n" +
"----------\n" +
"10. WARNING in X.java (at line 21)\n" +
" void foo7(MX<Class<? extends Class>> target, MX<Class<Class>> value) {\n" +
" ^^^^^\n" +
"Class is a raw type. References to generic type Class<T> should be parameterized\n" +
"----------\n" +
"11. WARNING in X.java (at line 21)\n" +
" void foo7(MX<Class<? extends Class>> target, MX<Class<Class>> value) {\n" +
" ^^^^^\n" +
"Class is a raw type. References to generic type Class<T> should be parameterized\n" +
"----------\n" +
"12. ERROR in X.java (at line 22)\n" +
" target= value; // foo7 - wrong\n" +
" ^^^^^\n" +
"Type mismatch: cannot convert from MX<Class<Class>> to MX<Class<? extends Class>>\n" +
"----------\n" +
"13. WARNING in X.java (at line 24)\n" +
" void foo8(MX<MX<? extends Class>> target, MX<MX<Class>> value) {\n" +
" ^^^^^\n" +
"Class is a raw type. References to generic type Class<T> should be parameterized\n" +
"----------\n" +
"14. WARNING in X.java (at line 24)\n" +
" void foo8(MX<MX<? extends Class>> target, MX<MX<Class>> value) {\n" +
" ^^^^^\n" +
"Class is a raw type. References to generic type Class<T> should be parameterized\n" +
"----------\n" +
"15. ERROR in X.java (at line 25)\n" +
" target= value; // foo8 - wrong\n" +
" ^^^^^\n" +
"Type mismatch: cannot convert from MX<MX<Class>> to MX<MX<? extends Class>>\n" +
"----------\n" +
"16. ERROR in X.java (at line 31)\n" +
" target= value; // foo10 - wrong\n" +
" ^^^^^\n" +
"Type mismatch: cannot convert from MX<capture#6-of ? extends Object> to MX<? extends String>\n" +
"----------\n" +
"17. ERROR in X.java (at line 34)\n" +
" target= value; // foo11 - wrong\n" +
" ^^^^^\n" +
"Type mismatch: cannot convert from MX<capture#7-of ? super String> to MX<? super Object>\n" +
"----------\n");
}
// check param type equivalences
public void test0367() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X { \n" +
" \n" +
" void foo1(MX<? extends MX> target, MX<MX<String>> value) {\n" +
" target= value; // foo1\n" +
" }\n" +
" void foo2(MX<?> target, MX<MX<String>> value) {\n" +
" target= value; // foo2\n" +
" }\n" +
" void foo3(MX<? super MX> target, MX<MX<String>> value) {\n" +
" target= value; // foo3\n" +
" }\n" +
"}\n" +
"\n" +
"class MX<E> {\n" +
"}\n" ,
},
"----------\n" +
"1. WARNING in X.java (at line 3)\n" +
" void foo1(MX<? extends MX> target, MX<MX<String>> value) {\n" +
" ^^\n" +
"MX is a raw type. References to generic type MX<E> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 9)\n" +
" void foo3(MX<? super MX> target, MX<MX<String>> value) {\n" +
" ^^\n" +
"MX is a raw type. References to generic type MX<E> should be parameterized\n" +
"----------\n" +
"3. ERROR in X.java (at line 10)\n" +
" target= value; // foo3\n" +
" ^^^^^\n" +
"Type mismatch: cannot convert from MX<MX<String>> to MX<? super MX>\n" +
"----------\n");
}
// check param type equivalences
public void test0368() {
this.runConformTest(
new String[] {
"X.java",
"public class X<T extends Runnable> {\n" +
" \n" +
" static class MX <U> {\n" +
" }\n" +
" \n" +
" MX<T> createMX() { return new MX<T>(); }\n" +
"\n" +
" void foo(X<?> x, MX<?> mx) {\n" +
" mx = x.createMX();\n" +
" }\n" +
"}\n" ,
},
"");
}
// bound check for Enum<T>
public void test0369() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" \n" +
" <T extends Enum<T>> T foo(T t) { return null; }\n" +
"}\n",
},
"");
}
// decoding raw binary type
public void test0370() {
this.runConformTest(
new String[] {
"p/B.java",
"package p;\n" +
"import java.util.Map;\n" +
"public class B {\n" +
" public static Map<Class, String> foo(byte[] byteArray, Object o, Class c) {\n" +
" return null;\n" +
" }\n" +
"}"
},
"");
this.runConformTest(
new String[] {
"X.java",
"import java.util.Map;\n" +
"\n" +
"import p.B;\n" +
"\n" +
"public class X {\n" +
" {\n" +
" Map<Class, String> map = B.foo(null, null, null);\n" +
" }\n" +
"}\n",
},
"",
null,
false,
null);
}
// X<? extends Y> is not compatible with X<Y>
public void test0371() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" public void foo(XC<Runnable> target, XC<? extends Runnable> value) {\n" +
" target = value;\n" +
" }\n" +
"}\n" +
"class XC <E>{\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 3)\n" +
" target = value;\n" +
" ^^^^^\n" +
"Type mismatch: cannot convert from XC<capture#1-of ? extends Runnable> to XC<Runnable>\n" +
"----------\n");
}
public void test0372() {
this.runConformTest(
new String[] {
"X.java",
"import java.util.Iterator;\n" +
"import java.util.Map;\n" +
"import java.util.Map.Entry;\n" +
"\n" +
"public class X <K, V> {\n" +
"\n" +
" void foo(Iterator<Map.Entry<K,V>> iter) {\n" +
" new XA.MXA<K,V>(iter.next());\n" +
" }\n" +
"}\n" +
"class XA <K, V> {\n" +
" static class MXA <K, V> implements Entry<K,V> {\n" +
" MXA(Entry<K,V> e) {\n" +
" }\n" +
" public K getKey() {\n" +
" return null;\n" +
" }\n" +
" public V getValue() {\n" +
" return null;\n" +
" }\n" +
" public V setValue(V value) {\n" +
" return null;\n" +
" }\n" +
" }\n" +
"}\n" ,
},
"");
}
public void test0373() {
this.runConformTest(
new String[] {
"XA.java",
"import java.util.Map.Entry;\n" +
"\n" +
"public class XA <K, V> {\n" +
" static class MXA <K, V> implements Entry<K,V> {\n" +
" MXA(Entry<K,V> e) {\n" +
" }\n" +
" public K getKey() {\n" +
" return null;\n" +
" }\n" +
" public V getValue() {\n" +
" return null;\n" +
" }\n" +
" public V setValue(V value) {\n" +
" return null;\n" +
" }\n" +
" }\n" +
"}\n" ,
},
"");
// compile against binaries
this.runConformTest(
new String[] {
"X.java",
"import java.util.Iterator;\n" +
"import java.util.Map;\n" +
"import java.util.Map.Entry;\n" +
"\n" +
"public class X <K, V> {\n" +
"\n" +
" void foo(Iterator<Map.Entry<K,V>> iter) {\n" +
" new XA.MXA<K,V>(iter.next());\n" +
" }\n" +
"}\n" ,
},
"",
null,
false,
null);
}
// wildcard with no upper bound uses type variable as upper bound
public void test0374() {
this.runConformTest(
new String[] {
"X.java",
"public class X <T extends Exception> {\n" +
"\n" +
" void foo1(X <? extends Exception> target, X<?> value) {\n" +
" target = value; // foo1\n" +
" }\n" +
" void foo2(X <? extends Exception> target, X<? super RuntimeException> value) {\n" +
" target = value; // foo2\n" +
" } \n" +
"}\n",
},
"");
}
public void test0375() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X <T> {\n" +
"\n" +
" void foo1(X <? super Exception> target, X<? extends Exception> value) {\n" +
" target = value; // foo1\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" target = value; // foo1\n" +
" ^^^^^\n" +
"Type mismatch: cannot convert from X<capture#2-of ? extends Exception> to X<? super Exception>\n" +
"----------\n");
}
public void test0376() {
this.runConformTest(
new String[] {
"XA.java",
"import java.util.Map.Entry;\n" +
"\n" +
"public class XA <K, V> {\n" +
" XA<K,V> self() { return this; } \n" +
" static class MXA <K, V> implements Entry<K,V> {\n" +
" MXA(Entry<K,V> e) {\n" +
" }\n" +
" public K getKey() {\n" +
" return null;\n" +
" }\n" +
" public V getValue() {\n" +
" return null;\n" +
" }\n" +
" public V setValue(V value) {\n" +
" return null;\n" +
" }\n" +
" }\n" +
"}\n" ,
},
"");
// compile against binaries
this.runConformTest(
new String[] {
"X.java",
"import java.util.Iterator;\n" +
"import java.util.Map;\n" +
"import java.util.Map.Entry;\n" +
"\n" +
"public class X <K, V> {\n" +
"\n" +
" void foo(Iterator<Map.Entry<K,V>> iter) {\n" +
" new XA.MXA<K,V>(iter.next());\n" +
" }\n" +
"}\n" ,
},
"",
null,
false,
null);
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=76601
public void test0377() {
this.runConformTest(
new String[] {
"Test.java",
"public class Test {\n" +
" public static void main (String[] args) {\n" +
" final String val = (args == null||args.length==0 ? \"SUCC\" : args[0]) + \"ESS\";\n" +
" class AllegedBoundMismatch<E2 extends SuperI<E2>> {\n" +
" String field = val;\n" +
" }\n" +
" System.out.println(new Object() {\n" +
" AllegedBoundMismatch<SubI<Q>> trial = new AllegedBoundMismatch<SubI<Q>>();\n" +
" }.trial.field);\n" +
" }\n" +
"}\n" +
"class Q {}\n" +
"interface SubI<Q> extends SuperI<SubI<Q>> {}\n" +
"interface SuperI<Q> {}"
},
"SUCCESS");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=76219
public void test0378() {
this.runConformTest(
new String[] {
"BB.java",
"interface AA<W, Z extends AA<W, Z>> { \n" +
" public boolean m(AA<W, ?> that); \n" +
" public Z z(); \n" +
" public boolean b(); \n" +
"}\n" +
"abstract class BB<U, V extends AA<U, V>> implements AA<U,V> { \n" +
" public boolean m(AA<U, ?> wht) { return wht.z().b(); } \n" +
"}\n"}
);
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=71612
public void test0379() {
this.runConformTest(
new String[] {
"Test.java",
"import java.util.AbstractSet;\n" +
"import java.util.Iterator;\n" +
"public class Test extends AbstractSet<Runnable>{\n" +
" public static void main(String[] args) {\n" +
" Test t=new Test();\n" +
" t.add(null);\n" +
" }\n" +
" public boolean add(Runnable run) {\n" +
" System.out.println(\"success\");\n" +
" return true;\n" +
" }\n" +
" public Iterator<Runnable> iterator() {return null;}\n" +
" public int size() {return 0;}\n" +
"}"
}
);
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=77327
public void test0380() {
this.runConformTest(
new String[] {
"Test.java",
"import java.util.List;\n" +
"public class Test {\n" +
" List<? super Number> wsn= null; // Contravariance\n" +
" List<? super Integer> wsi= wsn; // should work!\n" +
"}\n"
}
);
}
public void test0381() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X extends Y {\n" +
" void foo(Class<? extends String> s) {}\n" +
"}\n" +
"class Y {\n" +
" void foo(Class<String> s) {}\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 2)\n" +
" void foo(Class<? extends String> s) {}\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Name clash: The method foo(Class<? extends String>) of type X has the same erasure as foo(Class<String>) of type Y but does not override it\n" +
"----------\n");
this.runNegativeTest(
new String[] {
"X.java",
"public class X extends Y {\n" +
" void foo(Class<String> s) {}\n" +
"}\n" +
"class Y {\n" +
" void foo(Class<? extends String> s) {}\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 2)\n" +
" void foo(Class<String> s) {}\n" +
" ^^^^^^^^^^^^^^^^^^^^\n" +
"Name clash: The method foo(Class<String>) of type X has the same erasure as foo(Class<? extends String>) of type Y but does not override it\n" +
"----------\n");
}
public void test0382() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X extends Y implements I {}\n" +
"interface I { void foo(Class<? extends String> s); }\n" +
"class Y { void foo(Class<String> s) {} }\n"
},
"----------\n" +
"1. ERROR in X.java (at line 1)\n" +
" public class X extends Y implements I {}\n" +
" ^\n" +
"Name clash: The method foo(Class<String>) of type Y has the same erasure as foo(Class<? extends String>) of type I but does not override it\n" +
"----------\n" +
"2. ERROR in X.java (at line 1)\n" +
" public class X extends Y implements I {}\n" +
" ^\n" +
"The type X must implement the inherited abstract method I.foo(Class<? extends String>)\n" +
"----------\n");
this.runNegativeTest(
new String[] {
"X.java",
"public abstract class X extends Y implements I {}\n" +
"interface I { void foo(Class<String> s); }\n" +
"class Y { void foo(Class<? extends String> s) {} }\n"
},
"----------\n" +
"1. ERROR in X.java (at line 1)\n" +
" public abstract class X extends Y implements I {}\n" +
" ^\n" +
"Name clash: The method foo(Class<? extends String>) of type Y has the same erasure as foo(Class<String>) of type I but does not override it\n" +
"----------\n");
}
public void test0383() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X extends Y implements I { public <T> void foo(Class<T> s) {} }\n" +
"interface I { <T, S> void foo(Class<T> s); }\n" +
"class Y { public <T> void foo(Class<T> s) {} }\n"
},
"----------\n" +
"1. ERROR in X.java (at line 1)\n" +
" public class X extends Y implements I { public <T> void foo(Class<T> s) {} }\n" +
" ^\n" +
"The type X must implement the inherited abstract method I.foo(Class<T>)\n" +
"----------\n" +
"2. ERROR in X.java (at line 1)\n" +
" public class X extends Y implements I { public <T> void foo(Class<T> s) {} }\n" +
" ^^^^^^^^^^^^^^^\n" +
"Name clash: The method foo(Class<T>) of type X has the same erasure as foo(Class<T>) of type I but does not override it\n" +
"----------\n" +
"3. WARNING in X.java (at line 1)\n" +
" public class X extends Y implements I { public <T> void foo(Class<T> s) {} }\n" +
" ^^^^^^^^^^^^^^^\n" +
"The method foo(Class<T>) of type X should be tagged with @Override since it actually overrides a superclass method\n" +
"----------\n");
/*
X.java:1: X is not abstract and does not override abstract method <T,S>foo(java.lang.Class<T>) in I
public class X extends Y implements I { public <T> void foo(Class<T> s) {} }
^
*/
this.runNegativeTest(
new String[] {
"X.java",
"public class X extends Y implements I {}\n" +
"interface I { <T, S> void foo(Class<T> s); }\n" +
"class Y { public <T> void foo(Class<T> s) {} }\n"
},
"----------\n" +
"1. ERROR in X.java (at line 1)\n" +
" public class X extends Y implements I {}\n" +
" ^\n" +
"Name clash: The method foo(Class<T>) of type Y has the same erasure as foo(Class<T>) of type I but does not override it\n" +
"----------\n" +
"2. ERROR in X.java (at line 1)\n" +
" public class X extends Y implements I {}\n" +
" ^\n" +
"The type X must implement the inherited abstract method I.foo(Class<T>)\n" +
"----------\n");
/*
X.java:1: X is not abstract and does not override abstract method <T,S>foo(java.lang.Class<T>) in I
public class X extends Y implements I {}
^
*/
this.runNegativeTest(
new String[] {
"X.java",
"public abstract class X extends Y implements I {}\n" + // NOTE: X is abstract
"interface I { <T> void foo(Class<T> s); }\n" +
"class Y { public <T, S> void foo(Class<T> s) {} }\n"
},
"----------\n" +
"1. ERROR in X.java (at line 1)\n" +
" public abstract class X extends Y implements I {}\n" +
" ^\n" +
"Name clash: The method foo(Class<T>) of type Y has the same erasure as foo(Class<T>) of type I but does not override it\n" +
"----------\n");
/*
X.java:1: name clash: <T,S>foo(java.lang.Class<T>) in Y and <T>foo(java.lang.Class<T>) in I have the same erasure, yet neither overrides the other
public abstract class X extends Y implements I {}
^
*/
}
public void test0384a() {
this.runConformTest(
new String[] {
"X.java",
"public class X extends Y {\n" +
" <T> java.util.List<T> foo3(java.util.List<T> t) { return t; }\n" +
" Class<String> foo4() { return null; }\n" +
" Class<String>[] foo5() { return null; }\n" +
"}\n" +
"class Y {\n" +
" <T> java.util.List<T> foo3(java.util.List<T> t) { return t; }\n" +
" Class<? extends String> foo4() { return null; }\n" +
" Class<? extends String>[] foo5() { return null; }\n" +
"}\n"
},
"");
}
public void test0384b() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X extends Y {\n" +
" @Override Class<? extends String> foo() { return null; }\n" +
" @Override Class<? extends String>[] foo2() { return null; }\n" +
"}\n" +
"class Y {\n" +
" Class<String> foo() { return null; }\n" +
" Class<String>[] foo2() { return null; }\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 2)\n" +
" @Override Class<? extends String> foo() { return null; }\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^\n" +
"The return type is incompatible with Y.foo()\n" +
"----------\n" +
"2. ERROR in X.java (at line 3)\n" +
" @Override Class<? extends String>[] foo2() { return null; }\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"The return type is incompatible with Y.foo2()\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=77496
public void test0385() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.List;\n" +
"interface IDoubles { List<Double> getList(); }\n" +
"class A implements IDoubles {\n" +
" public List<String> getList() { return null; }\n" +
"}\n" +
"class B {\n" +
" public List<String> getList() { return null; }\n" +
"}\n" +
"class C extends B implements IDoubles {\n" +
" void use() { List<String> l= getList(); }\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" public List<String> getList() { return null; }\n" +
" ^^^^^^^^^^^^\n" +
"The return type is incompatible with IDoubles.getList()\n" +
"----------\n" +
"2. ERROR in X.java (at line 9)\n" +
" class C extends B implements IDoubles {\n" +
" ^\n" +
"The return types are incompatible for the inherited methods IDoubles.getList(), B.getList()\n" +
"----------\n");
/*
X.java:3: A is not abstract and does not override abstract method getList() in IDoubles
class A implements IDoubles {
^
X.java:4: getList() in A cannot implement getList() in IDoubles; attempting to use incompatible return type
found : java.util.List<java.lang.String>
required: java.util.List<java.lang.Double>
public List<String> getList() { return null; }
^
X.java:9: C is not abstract and does not override abstract method getList() in IDoubles
class C extends B implements IDoubles {
*/
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=77325
public void test0386() {
this.runNegativeTest(
new String[] {
"X.java",
"class X <R,U,V, T> {\n" +
" private U u;\n" +
" private V v;\n" +
" public X(U u,V v) { this.u= u; this.v= v; }\n" +
" public R getU() { return (R)u; } // Warning\n" +
" public R getV() { return (R)v; } // Warning\n" +
" Object o;\n" +
" public T getT() { return (T)o; } // Warning\n" +
"}"
},
"----------\n" +
"1. WARNING in X.java (at line 5)\n" +
" public R getU() { return (R)u; } // Warning\n" +
" ^^^^\n" +
"Type safety: Unchecked cast from U to R\n" +
"----------\n" +
"2. WARNING in X.java (at line 6)\n" +
" public R getV() { return (R)v; } // Warning\n" +
" ^^^^\n" +
"Type safety: Unchecked cast from V to R\n" +
"----------\n" +
"3. WARNING in X.java (at line 8)\n" +
" public T getT() { return (T)o; } // Warning\n" +
" ^^^^\n" +
"Type safety: Unchecked cast from Object to T\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=77422 - generic varargs method
public void test0387() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"\n" +
"public class X<T>\n" +
"{\n" +
"\n" +
" public boolean test1()\n" +
" {\n" +
" test2(\"test\", null, 0);\n" +
" }\n" +
"\n" +
" public <F> List<F> test2(final List<F> list, final String... strings)\n" +
" {\n" +
" return null;\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 8)\n" +
" test2(\"test\", null, 0);\n" +
" ^^^^^\n" +
"The method test2(List<F>, String...) in the type X<T> is not applicable for the arguments (String, null, int)\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=77422 - variation
public void test0388() {
this.runConformTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"\n" +
"public class X<T>\n" +
"{\n" +
"\n" +
" public boolean test01()\n" +
" {\n" +
" test02(null, null, \"test\");\n" +
" return false;\n" +
" }\n" +
"\n" +
" public <F> List<F> test02(final List<F> list, final String... strings)\n" +
" {\n" +
" return null;\n" +
" }\n" +
"}\n"
},
""
);
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=77422 - variation
public void test0389() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
"\n" +
" public boolean test01() {\n" +
" String s = foo(\"hello\");\n" +
" return s != null;\n" +
" }\n" +
"\n" +
" public <F> F foo(F f, F... others) {\n" +
" return f;\n" +
" }\n" +
"}\n"
},
""
);
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=77422 - variation
public void test0390() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
"\n" +
" public boolean test01() {\n" +
" String s = foo(null, \"hello\");\n" +
" return s != null;\n" +
" }\n" +
"\n" +
" public <F> F foo(F f, F... others) {\n" +
" return f;\n" +
" }\n" +
"}\n"
},
""
);
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=77422 - variation
public void test0391() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
"\n" +
" public boolean test01() {\n" +
" String[] s = foo(null, new String[]{ \"hello\" });\n" +
" return s != null;\n" +
" }\n" +
"\n" +
" public <F> F foo(F f, F... others) {\n" +
" return f;\n" +
" }\n" +
"}\n"
},
this.complianceLevel < ClassFileConstants.JDK1_7 ?
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" String[] s = foo(null, new String[]{ \"hello\" });\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from String to String[]\n" +
"----------\n" :
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" String[] s = foo(null, new String[]{ \"hello\" });\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from String to String[]\n" +
"----------\n" +
"2. WARNING in X.java (at line 8)\n" +
" public <F> F foo(F f, F... others) {\n" +
" ^^^^^^\n" +
"Type safety: Potential heap pollution via varargs parameter others\n" +
"----------\n"
);
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=77422 - variation
public void test0392() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
"\n" +
" public boolean test01() {\n" +
" foo(null, \"hello\");\n" + // no inference on expected type
" return true;\n" +
" }\n" +
"\n" +
" public <F> F foo(F f, F... others) {\n" +
" return f;\n" +
" }\n" +
"}\n"
},
""
);
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=78049 - chech invalid array initializer
public void test0393() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
"\n" +
" public boolean test01() {\n" +
" foo(null, \"hello\");\n" + // no inference on expected type
" return true;\n" +
" }\n" +
"\n" +
" public <F> F foo(F f, F... others) {\n" +
" return f;\n" +
" }\n" +
"}\n"
},
""
);
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=78027
public void test0394() {
this.runConformTest(
new String[] {
"X.java",
"public class X \n" +
"{\n" +
"}\n" +
"\n" +
"interface ITest<C extends X>\n" +
"{ \n" +
"}\n" +
"\n" +
"abstract class Test<C extends X> implements ITest<C>\n" +
"{\n" +
" protected Manager<C> m_manager;\n" +
" \n" +
" public ITest<C> get()\n" +
" {\n" +
" return m_manager.getById(getClass(), new Integer(1));\n" +
" }\n" +
" \n" +
" public static class Manager<C extends X>\n" +
" {\n" +
" public <T extends ITest<C>> T getById(Class<T> cls, Integer id)\n" +
" {\n" +
" return null;\n" +
" }\n" +
" }\n" +
"}\n"
},
""
);
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=74119 - variation
public void test0395() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T extends Exception> {\n" +
" T element;\n" +
" \n" +
" void foo(X<? super NullPointerException> xnpe) {\n" +
" xnpe.element = new java.io.IOException();\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 5)\n" +
" xnpe.element = new java.io.IOException();\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from IOException to capture#1-of ? super NullPointerException\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=78139 - downcast generic method inference
public void test0396() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.Collection;\n" +
"import java.util.List;\n" +
"import java.util.ArrayList;\n" +
"\n" +
"public class X\n" +
"{\n" +
" public static <T> List<T> emptyList() {\n" +
" return new ArrayList<T>();\n" +
" }\n" +
" public static <T> Collection<T> emptyCollection() {\n" +
" return new ArrayList<T>();\n" +
" }\n" +
" public static <T> Iterable<T> emptyIterable() {\n" +
" return new ArrayList<T>();\n" +
" }\n" +
" \n" +
" public static void main(String[] args) {\n" +
" // generic inference using expected lhs type: T --> String\n" +
" final List<String> lL = emptyList(); // 1\n" +
" \n" +
" // generic inference using expected cast type: T --> String\n" +
" final Collection<String> cL = (Collection<String>)emptyList(); // 2\n" +
" \n" +
" // generic inference using expected cast type: T --> String\n" +
" final Iterable<String> iL = (Iterable<String>)emptyList(); // 3\n" +
" \n" +
" // generic inference using expected lhs type: T --> String\n" +
" final Collection<String> cC = emptyCollection(); // 4\n" +
" \n" +
" // generic inference using expected cast type: T --> String\n" +
" final Iterable<String> iC = (Iterable<String>)emptyCollection(); // 5\n" +
" \n" +
" // generic inference using expected lhs type: T --> String\n" +
" final Iterable<String> iI = emptyIterable(); // 6\n" +
" \n" +
" // generic inference using expected lhs type: T --> String\n" +
" final Collection<String> cL2 = emptyList(); // 7\n" +
" \n" +
" // generic inference using expected lhs type: T --> String\n" +
" final Iterable<String> iC2 = emptyCollection(); // 8\n" +
" }\n" +
"}"
},
"----------\n" +
"1. ERROR in X.java (at line 22)\n" +
" final Collection<String> cL = (Collection<String>)emptyList(); // 2\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Cannot cast from List<Object> to Collection<String>\n" +
"----------\n" +
"2. ERROR in X.java (at line 25)\n" +
" final Iterable<String> iL = (Iterable<String>)emptyList(); // 3\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Cannot cast from List<Object> to Iterable<String>\n" +
"----------\n" +
"3. ERROR in X.java (at line 31)\n" +
" final Iterable<String> iC = (Iterable<String>)emptyCollection(); // 5\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Cannot cast from Collection<Object> to Iterable<String>\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=76132
public void test0397() {
this.runNegativeTest(
new String[] {
"X.java",
"interface K1<A> { \n" +
" public <B extends A> void kk(K1<B> x); \n" +
"} \n" +
" \n" +
"class K2<C> implements K1<C> { \n" +
" public <D extends C> void kk(K1<D> y) { \n" +
" System.out.println(\"K2::kk(\" + y.toString() + \")\"); \n" +
" } \n" +
"} \n" +
" \n" +
"// --------------------------------------------------- \n" +
" \n" +
"interface L1<E> { \n" +
" public void ll(L1<? extends E> a); \n" +
"} \n" +
" \n" +
"class L2<KK> implements L1<KK> { \n" +
" public void ll(L1<? extends KK> b) { \n" +
" ll2(b); \n" +
" } \n" +
" \n" +
" private <LL extends KK> void ll2(L1<LL> c) { \n" +
" System.out.println(\"L2::ll2(\" + c.toString() + \")\"); \n" +
" } \n" +
"} \n" +
" \n" +
"// --------------------------------------------------- \n" +
" \n" +
"interface M1<H> { \n" +
" public void mm(M1<? extends H> p); \n" +
"} \n" +
" \n" +
"class M2<I> implements M1<I> { \n" +
" public <J extends I> void mm(M1<J> q) { \n" +
" System.out.println(\"M2::mm(\" + q.toString() + \")\"); \n" +
" } \n" +
"} \n" +
" \n" +
"// =================================================== \n" +
" \n" +
"class XX { public String toString() { return \"XX\"; } } \n" +
"class YY extends XX { public String toString() { return \"YY\"; } } \n" +
"class ZZ extends YY { public String toString() { return \"ZZ\"; } } \n" +
" \n" +
"// --------------------------------------------------- \n" +
" \n" +
"public class X { \n" +
" public static void main(String arg[]) { \n" +
" goK(new K2<YY>()); \n" +
" goL(new L2<YY>()); \n" +
" goM(new M2<YY>()); \n" +
" } \n" +
" \n" +
" \n" +
" public static void goK(K1<YY> k) { \n" +
" // k.kk(new K2<XX>()); // Would fail \n" +
" k.kk(new K2<YY>()); \n" +
" k.kk(new K2<ZZ>()); \n" +
" } \n" +
" \n" +
" \n" +
" public static void goL(L1<YY> l) { \n" +
" // l.ll(new L2<XX>()); // Would fail \n" +
" l.ll(new L2<YY>()); \n" +
" l.ll(new L2<ZZ>()); \n" +
" } \n" +
" \n" +
" \n" +
" public static void goM(M1<YY> m) { \n" +
" // m.mm(new M2<XX>()); // Would fail \n" +
" m.mm(new M2<YY>()); \n" +
" m.mm(new M2<ZZ>()); \n" +
" } \n" +
"}"
},
"----------\n" +
"1. ERROR in X.java (at line 33)\n" +
" class M2<I> implements M1<I> { \n" +
" ^^\n" +
"The type M2<I> must implement the inherited abstract method M1<I>.mm(M1<? extends I>)\n" +
"----------\n" +
"2. ERROR in X.java (at line 34)\n" +
" public <J extends I> void mm(M1<J> q) { \n" +
" ^^^^^^^^^^^\n" +
"Name clash: The method mm(M1<J>) of type M2<I> has the same erasure as mm(M1<? extends H>) of type M1<H> but does not override it\n" +
"----------\n" +
"3. WARNING in X.java (at line 41)\n" +
" class XX { public String toString() { return \"XX\"; } } \n" +
" ^^^^^^^^^^\n" +
"The method toString() of type XX should be tagged with @Override since it actually overrides a superclass method\n" +
"----------\n" +
"4. WARNING in X.java (at line 42)\n" +
" class YY extends XX { public String toString() { return \"YY\"; } } \n" +
" ^^^^^^^^^^\n" +
"The method toString() of type YY should be tagged with @Override since it actually overrides a superclass method\n" +
"----------\n" +
"5. WARNING in X.java (at line 43)\n" +
" class ZZ extends YY { public String toString() { return \"ZZ\"; } } \n" +
" ^^^^^^^^^^\n" +
"The method toString() of type ZZ should be tagged with @Override since it actually overrides a superclass method\n" +
"----------\n");
}
// cannot allocate parameterized type with wildcards
public void test0398() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X <T> {\n" +
" X(){\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" new X<?>();\n" +
" new X<? extends String>();\n" +
" new X<?>(){};\n" +
" new X<? extends String>(){};\n" +
" }\n" +
"}\n" ,
},
"----------\n" +
"1. ERROR in X.java (at line 5)\n" +
" new X<?>();\n" +
" ^\n" +
"Cannot instantiate the type X<?>\n" +
"----------\n" +
"2. ERROR in X.java (at line 6)\n" +
" new X<? extends String>();\n" +
" ^\n" +
"Cannot instantiate the type X<? extends String>\n" +
"----------\n" +
"3. ERROR in X.java (at line 7)\n" +
" new X<?>(){};\n" +
" ^\n" +
"The type new X(){} cannot extend or implement X<?>. A supertype may not specify any wildcard\n" +
"----------\n" +
"4. ERROR in X.java (at line 8)\n" +
" new X<? extends String>(){};\n" +
" ^\n" +
"The type new X(){} cannot extend or implement X<? extends String>. A supertype may not specify any wildcard\n" +
"----------\n");
}
public void test0399() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X <T> {\n" +
" T t;\n" +
" X(T t){\n" +
" this.t = t;\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" X<? extends AX> x = new X<AX<Math>>(new AX<String>());\n" +
" }\n" +
"}\n" +
"\n" +
"class AX<P> {\n" +
" P foo() { return null; }\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 7)\n" +
" X<? extends AX> x = new X<AX<Math>>(new AX<String>());\n" +
" ^^\n" +
"AX is a raw type. References to generic type AX<P> should be parameterized\n" +
"----------\n" +
"2. ERROR in X.java (at line 7)\n" +
" X<? extends AX> x = new X<AX<Math>>(new AX<String>());\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"The constructor X<AX<Math>>(AX<String>) is undefined\n" +
"----------\n");
}
public void test0400() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X <T> {\n" +
" T t;\n" +
" X(X<? extends T> xt){\n" +
" this.t = xt.t;\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" X<? extends AX> x = new X<AX<Math>>(new X<AX<String>>(null));\n" +
" }\n" +
"}\n" +
"class AX<P> {\n" +
" P foo() { return null; }\n" +
"}",
},
"----------\n" +
"1. WARNING in X.java (at line 7)\n" +
" X<? extends AX> x = new X<AX<Math>>(new X<AX<String>>(null));\n" +
" ^^\n" +
"AX is a raw type. References to generic type AX<P> should be parameterized\n" +
"----------\n" +
"2. ERROR in X.java (at line 7)\n" +
" X<? extends AX> x = new X<AX<Math>>(new X<AX<String>>(null));\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"The constructor X<AX<Math>>(X<AX<String>>) is undefined\n" +
"----------\n");
}
// legal to allocate/inherit from a type with wildcards, as long as non direct arguments
public void test0401() {
this.runConformTest(
new String[] {
"X.java",
"public class X<T> {\n" +
" void foo() {\n" +
" new X<X<?>>();\n" +
" new X<X<? extends String>>();\n" +
" new X<X<?>>(){};\n" +
" new X<X<? extends String>>(){};\n" +
" }\n" +
"}",
},
"");
}
// legal to inherit from a type with wildcards, as long as non direct arguments
public void test0402() {
this.runConformTest(
new String[] {
"X.java",
"public class X extends Y<Y<?>> {\n" +
"}\n" +
"class Y<T> {}",
},
"");
}
// check cast between generic types
public void test0403() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X <T> {\n" +
" \n" +
" void foo(X<X<? extends String>> xs) {\n" +
" X<X<String>> x = (X<X<String>>) xs;\n" +
" Zork z;\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" X<X<String>> x = (X<X<String>>) xs;\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"Cannot cast from X<X<? extends String>> to X<X<String>>\n" +
"----------\n" +
"2. ERROR in X.java (at line 5)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
// check cast between generic types
public void test0404() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X <T> {\n" +
" \n" +
" void foo(X<? extends String> xs) {\n" +
" X<String> x = (X<String>) xs;\n" +
" Zork z;\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 4)\n" +
" X<String> x = (X<String>) xs;\n" +
" ^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from X<capture#1-of ? extends String> to X<String>\n" +
"----------\n" +
"2. ERROR in X.java (at line 5)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
// check cast between generic types
public void test0405() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X <E> {\n" +
" \n" +
" <T> void foo(X<X<T>> xs) {\n" +
" X<X<String>> x = (X<X<String>>) xs;\n" +
" }\n" +
" <T> void bar(X<T> xs) {\n" +
" X<String> x = (X<String>) xs;\n" +
" } \n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" X<X<String>> x = (X<X<String>>) xs;\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"Cannot cast from X<X<T>> to X<X<String>>\n" +
"----------\n" +
"2. WARNING in X.java (at line 7)\n" +
" X<String> x = (X<String>) xs;\n" +
" ^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from X<T> to X<String>\n" +
"----------\n");
}
public void test0406() {
this.runConformTest(
new String[] {
"X.java",
"public abstract class X<K1,V1> implements M<K1,V1> {\n" +
" abstract M<K1,V1> other();\n" +
" public S<E<K1,V1>> entrySet() {\n" +
" return other().entrySet();\n" +
" }\n" +
"}\n" +
"interface M<K2,V2> {\n" +
" interface E<K3,V3> { }\n" +
" S<E<K2, V2>> entrySet();\n" +
"}\n" +
"interface S<T> {}",
},
"");
}
public void test0407() {
this.runConformTest(
new String[] {
"X.java",
"public abstract class X<K1,V1> implements M<K1,V1> {\n" +
" abstract M<K1,V1> other();\n" +
" public S<M.E<K1,V1>> entrySet() {\n" + // qualified M.E...
" return other().entrySet();\n" +
" }\n" +
"}\n" +
"interface M<K2,V2> {\n" +
" interface E<K3,V3> { }\n" +
" S<E<K2, V2>> entrySet();\n" +
"}\n" +
"interface S<T> {}",
},
"");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=78008
public void test0408() {
this.runConformTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"public class X {\n" +
" public Integer[] getTypes() {\n" +
" List<Integer> list = new ArrayList<Integer>();\n" +
" return list == null \n" +
" ? new Integer[0] \n" +
" : list.toArray(new Integer[list.size()]);\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" Class clazz = null;\n" +
" try {\n" +
" clazz = Class.forName(\"X\");\n" +
" System.out.println(\"SUCCESS\");\n" +
" } catch (Throwable e) {\n" +
" e.printStackTrace();\n" +
" }\n" +
" }\n" +
"}",
},
"SUCCESS");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=78008
public void test0409() {
this.runConformTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"public class X {\n" +
" public Number getTypes() {\n" +
" List<Integer> list = new ArrayList<Integer>();\n" +
" return list == null \n" +
" ? Float.valueOf(0)\n" +
" : list.get(0);\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" Class clazz = null;\n" +
" try {\n" +
" clazz = Class.forName(\"X\");\n" +
" System.out.println(\"SUCCESS\");\n" +
" } catch (Throwable e) {\n" +
" e.printStackTrace();\n" +
" }\n" +
" }\n" +
"}",
},
"SUCCESS");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=74178
public void test0410() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.List;\n" +
"\n" +
"public class X {\n" +
"\n" +
"public void write(List<? super Exception> list) {\n" +
" \n" +
" list.add(new RuntimeException()); // works\n" +
" list.add(new IllegalMonitorStateException()); // works\n" +
" Exception exc = new Exception();\n" +
" list.add(exc); // works\n" +
" list.add(new Object()); // should fail\n" +
" list.add(new Throwable()); // should fail\n" +
" list.add(new Exception()); // works\n" +
"}\n" +
"}",
},
"----------\n" +
"1. ERROR in X.java (at line 11)\n" +
" list.add(new Object()); // should fail\n" +
" ^^^\n" +
"The method add(capture#4-of ? super Exception) in the type List<capture#4-of ? super Exception> is not applicable for the arguments (Object)\n" +
"----------\n" +
"2. ERROR in X.java (at line 12)\n" +
" list.add(new Throwable()); // should fail\n" +
" ^^^\n" +
"The method add(capture#5-of ? super Exception) in the type List<capture#5-of ? super Exception> is not applicable for the arguments (Throwable)\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=78015
public void test0411() {
this.runConformTest(
new String[] {
"X.java",
"interface I<T> {\n" +
" void m1(T t);\n" +
" void m2(T t);\n" +
"}\n" +
"\n" +
"class A {};\n" +
"\n" +
"class B implements I<A> {\n" +
" public void m1(A a) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
" public void m2(A a) {}\n" +
"}\n" +
"\n" +
"public class X {\n" +
" public static void main(String[] args) {\n" +
" m(new B());\n" +
" }\n" +
"\n" +
" public static void m(I<A> x) {\n" +
" x.m1(null);\n" +
" }\n" +
"}",
},
"SUCCESS");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=78467
public void test0412() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
"\n" +
" public static <T> T first(T... args) {\n" +
" return args[0];\n" +
" }\n" +
" \n" +
" public static void main(String[] args) {\n" +
" if (false) { \n" +
" String s = first(); \n" +
" int i; \n" +
" i++; \n" +
" }\n" +
" System.out.println(first(\"SUCCESS\", \"List\"));\n" +
" }\n" +
" Zork z;\n" +
"}",
},
this.complianceLevel < ClassFileConstants.JDK1_7 ?
"----------\n" +
"1. ERROR in X.java (at line 15)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n" :
"----------\n" +
"1. WARNING in X.java (at line 3)\n" +
" public static <T> T first(T... args) {\n" +
" ^^^^\n" +
"Type safety: Potential heap pollution via varargs parameter args\n" +
"----------\n" +
"2. ERROR in X.java (at line 15)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=78467 - variation
public void test0412a() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"public class X {\n" +
"\n" +
" public static <T> T first(T... args) {\n" +
" return args[0];\n" +
" }\n" +
" \n" +
" public static void main(String[] args) {\n" +
" if (false) { \n" +
" List<String> ls = first(); \n" +
" int i; \n" +
" i++; \n" +
" }\n" +
" System.out.println(first(\"SUCCESS\", \"List\"));\n" +
" }\n" +
" Zork z;\n" +
"}",
},
this.complianceLevel < ClassFileConstants.JDK1_7 ?
"----------\n" +
"1. WARNING in X.java (at line 10)\n" +
" List<String> ls = first(); \n" +
" ^^^^^^^\n" +
"Type safety: A generic array of List<String> is created for a varargs parameter\n" +
"----------\n" +
"2. ERROR in X.java (at line 16)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n" :
"----------\n" +
"1. WARNING in X.java (at line 4)\n" +
" public static <T> T first(T... args) {\n" +
" ^^^^\n" +
"Type safety: Potential heap pollution via varargs parameter args\n" +
"----------\n" +
"2. WARNING in X.java (at line 10)\n" +
" List<String> ls = first(); \n" +
" ^^^^^^^\n" +
"Type safety: A generic array of List<String> is created for a varargs parameter\n" +
"----------\n" +
"3. ERROR in X.java (at line 16)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
public void test0413() {
this.runConformTest(
new String[] {
"X.java",
"public class X<T> {\n" +
" static class TLM {\n" +
" }\n" +
" TLM getMap(TL t) {\n" +
" return t.tls;\n" +
" }\n" +
" static TLM createInheritedMap(TLM parentMap) {\n" +
" return new TLM();\n" +
" } \n" +
"}\n" +
"\n" +
"class TL {\n" +
" X.TLM tls = null;\n" +
"}",
},
"");
}
public void test0414() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" void foo(L l, C<? super X> c) {\n" +
" bar(l, c);\n" +
" }\n" +
" <T> void bar(L<T> l, C<? super T> c) { \n" +
" } \n" +
"}\n" +
"class C<E> {}\n" +
"class L<E> {}",
},
"");
}
public void test0415() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" public S<M.E<Object,Object>> foo(HM hm) {\n" +
" return C.bar(hm).foo();\n" +
" }\n" +
"}\n" +
"class C {\n" +
" public static <K,V> M<K,V> bar(M<? extends K,? extends V> m) {\n" +
" return null;\n" +
" }\n" +
"}\n" +
"class S<E> {\n" +
"}\n" +
"abstract class HM<U,V> implements M<U,V>{\n" +
"}\n" +
"interface M<A,B> {\n" +
" static class E<S,T> {}\n" +
" S<E<A,B>> foo(); \n" +
"}",
},
"");
}
public void test0416() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" public S<M.E<Object,String>> foo(HM hm) {\n" +
" M<Object, String> m = C.bar(hm);\n" +
" if (false) return m.foo();\n" +
" return C.bar(hm).foo();\n" +
" }\n" +
"}\n" +
"class C {\n" +
" public static <K,V> M<K,V> bar(M<? extends K,? extends V> m) {\n" +
" return null;\n" +
" }\n" +
"}\n" +
"class S<E> {\n" +
"}\n" +
"abstract class HM<U,V> implements M<U,V>{\n" +
"}\n" +
"interface M<A,B> {\n" +
" static class E<S,T> {}\n" +
" S<E<A,B>> foo(); \n" +
"}",
},
"");
}
public void test0417() {
this.runConformTest(
new String[] {
"X.java",
"public class X<E> {\n" +
" \n" +
" <T> X<T> foo(X<T> xt) {\n" +
" return null;\n" +
" }\n" +
" X<E> identity() {\n" +
" return this;\n" +
" }\n" +
" void bar(X x) {\n" +
" X<String> xs = foo(x).identity();\n" +
" }\n" +
"}\n",
},
"");
}
public void test0418() {
this.runConformTest(
new String[] {
"X.java",
"public class X<E> {\n" +
" \n" +
" <T> X<T> foo(X<T> xt, X<T> xt2) {\n" +
" return null;\n" +
" }\n" +
" X<E> identity() {\n" +
" return this;\n" +
" }\n" +
" void bar(X x, X<String> xs) {\n" +
" X<String> xs2 = foo(x, xs).identity();\n" +
" }\n" +
"}\n",
},
"");
}
public void test0419() {
this.runConformTest(
new String[] {
"X.java",
"public class X<E> {\n" +
" \n" +
" <T,U> X<T> foo(X<T> xt, X<U> xt2) {\n" +
" return null;\n" +
" }\n" +
" X<E> identity() {\n" +
" return this;\n" +
" }\n" +
" void bar(X x, X<String> xs) {\n" +
" X<String> xs2 = foo(x, xs).identity();\n" +
" }\n" +
"}\n",
},
"");
}
public void test0420() {
this.runConformTest(
new String[] {
"X.java",
"public class X<E> {\n" +
" \n" +
" <T,U> X<U> foo(X<T> xt, X<U> xt2) {\n" +
" return null;\n" +
" }\n" +
" X<E> identity() {\n" +
" return this;\n" +
" }\n" +
" void bar(X x, X<String> xs) {\n" +
" X<String> xs2 = foo(x, xs).identity();\n" +
" }\n" +
"}\n",
},
"");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=78863
public void test0421() {
this.runConformTest(
new String[] {
"Test.java",
"import java.util.HashMap;\n" +
"import java.util.List;\n" +
"import java.util.Map;\n" +
"\n" +
"public class Test\n" +
"{\n" +
" protected Map<Class<? extends Object>, List<Object>> m_test\n" +
" = new HashMap<Class<? extends Object>, List<Object>>();\n" +
"}\n",
"Test2.java",
"import java.util.List;\n" +
"import java.util.Map;\n" +
"\n" +
"public class Test2 extends Test\n" +
"{\n" +
" public Map<Class<? extends Object>, List<Object>> test()\n" +
" {\n" +
" return m_test;\n" +
" }\n" +
"}\n",
},
"");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=78704
public void test0422() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T> {\n" +
" String foo() {\n" +
" return new X();\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 3)\n" +
" return new X();\n" +
" ^^^^^^^\n" +
"Type mismatch: cannot convert from X to String\n" +
"----------\n" +
"2. WARNING in X.java (at line 3)\n" +
" return new X();\n" +
" ^\n" +
"X is a raw type. References to generic type X<T> should be parameterized\n" +
"----------\n");
}
public void test0423() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
"\n" +
" static <T extends X> T bar() {\n" +
" return null;\n" +
" }\n" +
" static <U extends X&Runnable> U foo() {\n" +
" return null;\n" +
" }\n" +
"\n" +
" public static void main(String argv[]) {\n" +
" bar();\n" +
" foo();\n" +
" }\n" +
"\n" +
"}",
},
"");
}
public void test0424() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" \n" +
" <T extends A> T foo(T t) {\n" +
" return t;\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" new X().bar();\n" +
" }\n" +
" void bar() {\n" +
" B b = foo(new B());\n" +
" }\n" +
"}\n" +
"\n" +
"class A {}\n" +
"class B extends A {}\n" +
"\n",
},
"");
}
// check tiebreak eliminates related generic methods which are less specific
public void test0425() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.io.IOException;\n" +
"\n" +
"public class X {\n" +
" static <E extends A> void m(E e) { System.out.println(\"A:\"+e.getClass()); }\n" +
" static <F extends B> void m(F f) throws Exception { System.out.println(\"B:\"+f.getClass()); }\n" +
" static <G extends C> void m(G g) throws IOException { System.out.println(\"C:\"+g.getClass()); }\n" +
"\n" +
" public static void main(String[] args) {\n" +
" m(new A());\n" +
" m(new B());\n" +
" m(new C());\n" +
" }\n" +
"}\n" +
"\n" +
"class A {}\n" +
"class B extends A {}\n" +
"class C extends A {}\n" +
"\n",
},
"----------\n" +
"1. ERROR in X.java (at line 10)\n" +
" m(new B());\n" +
" ^^^^^^^^^^\n" +
"Unhandled exception type Exception\n" +
"----------\n" +
"2. ERROR in X.java (at line 11)\n" +
" m(new C());\n" +
" ^^^^^^^^^^\n" +
"Unhandled exception type IOException\n" +
"----------\n");
}
// check inferred return types are truly based on arguments, and not on parameter erasures
public void test0426() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" static <E extends A> E m(E e) { System.out.print(\"[A:\"+e.getClass()+\"]\"); return e; }\n" +
"\n" +
" public static void main(String[] args) {\n" +
" A a = m(new A());\n" +
" B b = m(new B());\n" +
" C c = m(new C());\n" +
" }\n" +
"}\n" +
"\n" +
"class A {}\n" +
"class B extends A {}\n" +
"class C extends A {}\n",
},
"[A:class A][A:class B][A:class C]");
}
// check inferred return types are truly based on arguments, and not on parameter erasures
public void test0427() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" static <E extends A> E m(E e, E... e2) { System.out.print(\"[A:\"+e.getClass()+\"]\"); return e; }\n" +
" static <F extends B> F m(F f, F... f2) { System.out.print(\"[B:\"+f.getClass()+\"]\"); return f; }\n" +
" static <G extends C> G m(G g, G... g2) { System.out.print(\"[C:\"+g.getClass()+\"]\"); return g; }\n" +
"\n" +
" public static void main(String[] args) {\n" +
" A a = m(new A(), new A());\n" +
" B b = m(new B(), new B());\n" +
" C c = m(new C(), new C());\n" +
" }\n" +
"}\n" +
"\n" +
"class A {}\n" +
"class B extends A {}\n" +
"class C extends A {}\n",
},
"[A:class A][B:class B][C:class C]");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=79390
public void test0428() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" Zork z;\n" +
" public static void foo() {\n" +
" class A<T extends Number> {\n" +
" T t = null;\n" +
" T get() {\n" +
" return t;\n" +
" }\n" +
" }\n" +
" A<Long> a = new A<Long>() {\n" +
" @Override\n" +
" Long get() {\n" +
" return new Long(5);\n" +
" }\n" +
" };\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 2)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=78293
public void test0429() {
this.runConformTest(
new String[] {
"X1.java",
"class X1 <T extends Y & Comparable<Y>> {}\n" +
"abstract class Y implements Comparable<Y> {}",
},
""
);
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=78293
public void test0429a() {
this.runConformTest(
new String[] {
"X2.java",
"class X2 <T extends Y & Comparable<Y>> {}\n" +
"abstract class Y extends Z {}\n" +
"abstract class Z implements Comparable<Y> {}",
},
""
);
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=78293
public void test0429b() {
this.runConformTest(
new String[] {
"X3.java",
"class X3 <T extends Y & Comparable<Z>> {}\n" +
"abstract class Y extends Z {}\n" +
"abstract class Z implements Comparable<Z> {}",
},
""
);
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=78293
public void test0429c() {
runNegativeTest(
// test directory preparation
new String[] { /* test files */
"X4.java",
"class X4 <T extends Comparable<Z> & Comparable<Z>> {}\n" +
"abstract class Y extends Z {}\n" +
"abstract class Z implements Comparable<Z> {}",
},
// compiler results
"----------\n" + /* expected compiler log */
"1. ERROR in X4.java (at line 1)\n" +
" class X4 <T extends Comparable<Z> & Comparable<Z>> {}\n" +
" ^^^^^^^^^^\n" +
"Duplicate bound Comparable<Z>\n" +
"----------\n",
// no complaints about duplicates if they are both parameterized with same args
// but you cannot extend Comparable & Comparable so we'll report an error
// javac options
JavacTestOptions.JavacHasABug.JavacBugFixed_7 /* javac test options */);
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=78293
public void test0429d() {
this.runNegativeTest(
new String[] {
"X5.java",
"class X5 <T extends Y & Comparable<X5>> {}\n" +
"abstract class Y implements Comparable<Y> {}",
},
"----------\n" +
"1. ERROR in X5.java (at line 1)\n" +
" class X5 <T extends Y & Comparable<X5>> {}\n" +
" ^^^^^^^^^^\n" +
"The interface Comparable cannot be implemented more than once with different arguments: Comparable<X5> and Comparable<Y>\n" +
"----------\n" +
"2. WARNING in X5.java (at line 1)\n" +
" class X5 <T extends Y & Comparable<X5>> {}\n" +
" ^^\n" +
"X5 is a raw type. References to generic type X5<T> should be parameterized\n" +
"----------\n"
// Comparable cannot be inherited with different arguments: <X5> and <Y>
);
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=78293
public void test0429e() {
this.runNegativeTest(
new String[] {
"X6.java",
"class X6 <T extends Y & Comparable<X6>> {}\n" +
"abstract class Y extends Z {}\n" +
"abstract class Z implements Comparable<Z> {}",
},
"----------\n" +
"1. ERROR in X6.java (at line 1)\n" +
" class X6 <T extends Y & Comparable<X6>> {}\n" +
" ^^^^^^^^^^\n" +
"The interface Comparable cannot be implemented more than once with different arguments: Comparable<X6> and Comparable<Z>\n" +
"----------\n" +
"2. WARNING in X6.java (at line 1)\n" +
" class X6 <T extends Y & Comparable<X6>> {}\n" +
" ^^\n" +
"X6 is a raw type. References to generic type X6<T> should be parameterized\n" +
"----------\n"
// Comparable cannot be inherited with different arguments: <X6> and <Y>
);
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=78293
public void test0429f() {
this.runNegativeTest(
new String[] {
"X7.java",
"class X7 <T extends Comparable<Z> & Comparable<X7>> {}\n" +
"abstract class Y extends Z {}\n" +
"abstract class Z implements Comparable<Z> {}",
},
"----------\n" +
"1. ERROR in X7.java (at line 1)\n" +
" class X7 <T extends Comparable<Z> & Comparable<X7>> {}\n" +
" ^^^^^^^^^^\n" +
"The interface Comparable cannot be implemented more than once with different arguments: Comparable<X7> and Comparable<Z>\n" +
"----------\n" +
"2. WARNING in X7.java (at line 1)\n" +
" class X7 <T extends Comparable<Z> & Comparable<X7>> {}\n" +
" ^^\n" +
"X7 is a raw type. References to generic type X7<T> should be parameterized\n" +
"----------\n"
// Comparable cannot be inherited with different arguments: <Z> and <X7>
);
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=78293
public void test0429g() {
this.runNegativeTest(new String[] {
"X.java",
"interface I<T> {}\n" +
"\n" +
"class A implements I<A>, I<A> {}\n" +
"public class X<E extends A & I<E> & I<E>> {\n" +
"}"
},
"----------\n" +
"1. ERROR in X.java (at line 3)\n" +
" class A implements I<A>, I<A> {}\n" +
" ^\n" +
"Duplicate interface I<A> for the type A\n" +
"----------\n" +
"2. ERROR in X.java (at line 4)\n" +
" public class X<E extends A & I<E> & I<E>> {\n" +
" ^\n" +
"The interface I cannot be implemented more than once with different arguments: I<E> and I<A>\n" +
"----------\n" +
"3. ERROR in X.java (at line 4)\n" +
" public class X<E extends A & I<E> & I<E>> {\n" +
" ^\n" +
"Duplicate bound I<E>\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=79797
public void test0430() {
this.runConformTest(
new String[] {
"p/MMM.java",
"package p;\n" +
"public interface MMM< F extends MMM<F,G>, G extends NNN> { } \n",
"p/NNN.java",
"package p;\n" +
"public interface NNN { } \n",
},
"");
this.runConformTest(
new String[] {
"X.java",
"import p.MMM;\n" +
"import p.NNN;\n" +
"\n" +
"interface RRR< A extends MMM<A, B>, B extends NNN> {}\n" +
"\n" +
"class J1 implements MMM<J1, J2> { }\n" +
"class J2 implements NNN { }\n" +
"\n" +
"class J3 implements RRR<J1,J2> {} \n" +
"\n" +
"public class X {\n" +
" public static void main(String[] args) {\n" +
" J3 thing = null;\n" +
" }\n" +
"}\n",
},
"",
null,
false, // do not flush output
null);
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=79891
public void test0431() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<Type> {\n" +
" private class Element {\n" +
" }\n" +
" public X() {\n" +
" Element[] eArray = new Element[10];\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 5)\n" +
" Element[] eArray = new Element[10];\n" +
" ^^^^^^^^^^^^^^^\n" +
"Cannot create a generic array of X<Type>.Element\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=79891
public void test0432() {
this.runConformTest(
new String[] {
"X.java",
"public class X<Type> {\n" +
" private static class Element {\n" +
" }\n" +
" public X() {\n" +
" Element[] eArray = new Element[10];\n" +
" }\n" +
"}\n",
},
"");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=80144
public void test0433() {
this.runConformTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"\n" +
"interface Alpha<\n" +
" A1 extends Alpha<A1, B1>, \n" +
" B1 extends Beta<A1, B1>> {\n" +
"}\n" +
"interface Beta<\n" +
" A2 extends Alpha<A2, B2>, \n" +
" B2 extends Beta<A2, B2>> {\n" +
"}\n" +
"interface Phi<\n" +
" A3 extends Alpha<A3, B3>, \n" +
" B3 extends Beta<A3, B3>> {\n" +
" \n" +
" public void latinize(A3 s);\n" +
"}\n" +
"\n" +
"public class X<\n" +
" A extends Alpha<A, B>, \n" +
" B extends Beta<A, B>, \n" +
" P extends Phi<A, B>> extends ArrayList<P> implements Phi<A, B> {\n" +
" \n" +
" public final void latinize(A a) {\n" +
" frenchify(this, a); // (X<A,B,P>, A)\n" +
" }\n" +
" // -----------------------------------------------------------------\n" +
" public static final <AA extends Alpha<AA, BB>, BB extends Beta<AA, BB>> \n" +
" void frenchify(Collection< ? extends Phi<AA, BB>> phis, AA aa) {\n" +
" for (final Phi<AA, BB> phi : phis)\n" +
" phi.latinize(aa);\n" +
" }\n" +
"}\n",
},
"");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=80083
public void test0434() {
this.runConformTest(
new String[] {
"X.java",
"import java.util.ArrayList;\n" +
"\n" +
"public class X\n" +
"{\n" +
"\n" +
" public static void main(String[] args)\n" +
" {\n" +
" ArrayList<String> l = new ArrayList<String>();\n" +
" l.add(\"x\");\n" +
" String s = \"\";\n" +
" s += l.get(0); // X\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
"\n" +
"}\n",
},
"SUCCESS");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=80765
public void test0435() {
this.runNegativeTest(
new String[] {
"Test.java",//===============================
"import java.lang.reflect.InvocationTargetException;\n" +
"import java.lang.reflect.Method;\n" +
"\n" +
"import orders.DiscreteOrder;\n" +
"import orders.impl.IntegerOrder;\n" +
"import orders.impl.IntegerOrder2;\n" +
"\n" +
"public class Test {\n" +
"\n" +
" public static void main(String[] args) throws SecurityException,\n" +
" NoSuchMethodException, IllegalArgumentException,\n" +
" IllegalAccessException {\n" +
" Test test = new Test();\n" +
"\n" +
" for (String method : new String[] { \"test01\", \"test02\", \"test03\", \"test04\" }) {\n" +
" Method m = test.getClass().getMethod(method);\n" +
" try {\n" +
" m.invoke(test);\n" +
" System.out.print(\"*** \" + m + \": success\");\n" +
" } catch (InvocationTargetException e) {\n" +
" System.out.print(\"*** \" + m + \": failed, stacktrace follows\");\n" +
" e.getCause().printStackTrace(System.out);\n" +
" }\n" +
" }\n" +
" }\n" +
"\n" +
" public void test01() { // works\n" +
" new IntegerOrder().next(new Integer(0)); // works\n" +
" }\n" +
"\n" +
" public void test02() { // doesn\'t work\n" +
" final DiscreteOrder<Integer> order = new IntegerOrder();\n" +
" order.next(new Integer(0));\n" +
" }\n" +
"\n" +
" public void test03() { // works\n" +
" new IntegerOrder2().next(new Integer(0)); // works\n" +
" }\n" +
"\n" +
" public void test04() { // doesn\'t work\n" +
" final DiscreteOrder<Integer> order = new IntegerOrder2();\n" +
" order.next(new Integer(0));\n" +
" }\n" +
"}\n",
"orders/DiscreteOrder.java",//===============================
"package orders;\n" +
"public interface DiscreteOrder<E extends Comparable<E>> {\n" +
" /**\n" +
" * @return The element immediately before <code>element</code> in the\n" +
" * discrete ordered space.\n" +
" */\n" +
" public E previous(E element);\n" +
" /**\n" +
" * @return The element immediately after <code>element</code> in the\n" +
" * discrete ordered space.\n" +
" */\n" +
" public E next(E element);\n" +
"}\n",
"orders/impl/IntegerOrder.java",//===============================
"package orders.impl;\n" +
"import orders.DiscreteOrder;\n" +
"\n" +
"public class IntegerOrder implements DiscreteOrder<Integer> {\n" +
"\n" +
" public IntegerOrder() {\n" +
" super();\n" +
" }\n" +
"\n" +
" public Integer previous(Integer arg0) {\n" +
" return new Integer(arg0.intValue() - 1);\n" +
" }\n" +
"\n" +
" public Integer next(Integer arg0) {\n" +
" return new Integer(arg0.intValue() + 1);\n" +
" }\n" +
"}\n",
"orders/impl/IntegerOrder2.java",//===============================
"package orders.impl;\n" +
"\n" +
"\n" +
"public class IntegerOrder2 extends IntegerOrder {\n" +
"\n" +
" public IntegerOrder2() {\n" +
" super();\n" +
" }\n" +
"\n" +
" public Comparable previous(Comparable arg0) {\n" +
" return previous((Integer) arg0);\n" +
" }\n" +
"\n" +
" public Comparable next(Comparable arg0) {\n" +
" return next((Integer) arg0);\n" +
" }\n" +
"\n" +
"}\n",
},
"----------\n" +
"1. WARNING in orders\\impl\\IntegerOrder2.java (at line 10)\n" +
" public Comparable previous(Comparable arg0) {\n" +
" ^^^^^^^^^^\n" +
"Comparable is a raw type. References to generic type Comparable<T> should be parameterized\n" +
"----------\n" +
"2. ERROR in orders\\impl\\IntegerOrder2.java (at line 10)\n" +
" public Comparable previous(Comparable arg0) {\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Name clash: The method previous(Comparable) of type IntegerOrder2 has the same erasure as previous(E) of type DiscreteOrder<E> but does not override it\n" +
"----------\n" +
"3. WARNING in orders\\impl\\IntegerOrder2.java (at line 10)\n" +
" public Comparable previous(Comparable arg0) {\n" +
" ^^^^^^^^^^\n" +
"Comparable is a raw type. References to generic type Comparable<T> should be parameterized\n" +
"----------\n" +
"4. WARNING in orders\\impl\\IntegerOrder2.java (at line 14)\n" +
" public Comparable next(Comparable arg0) {\n" +
" ^^^^^^^^^^\n" +
"Comparable is a raw type. References to generic type Comparable<T> should be parameterized\n" +
"----------\n" +
"5. ERROR in orders\\impl\\IntegerOrder2.java (at line 14)\n" +
" public Comparable next(Comparable arg0) {\n" +
" ^^^^^^^^^^^^^^^^^^^^^\n" +
"Name clash: The method next(Comparable) of type IntegerOrder2 has the same erasure as next(E) of type DiscreteOrder<E> but does not override it\n" +
"----------\n" +
"6. WARNING in orders\\impl\\IntegerOrder2.java (at line 14)\n" +
" public Comparable next(Comparable arg0) {\n" +
" ^^^^^^^^^^\n" +
"Comparable is a raw type. References to generic type Comparable<T> should be parameterized\n" +
"----------\n"
// "*** public void Test.test01(): success*** public void Test.test02(): success*** public void Test.test03(): success*** public void Test.test04(): success"
// name clash: next(java.lang.Comparable) in orders.impl.IntegerOrder2 and next(E) in orders.DiscreteOrder<java.lang.Integer> have the same erasure, yet neither overrides the other
);
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=80028
public void test0436() {
this.runConformTest(
new String[] {
"A.java",
"public class A {\n" +
" public static void main(String[] args) {\n" +
" Number n= new Integer(1);\n" +
" X x = new X<Number>();\n" +
" x.m(n);\n" +
" x.m(new Integer(2));\n" +
" Y y= new Y();\n" +
" y.m(n);\n" +
" y.m(new Integer(2));\n" +
" }\n" +
"}\n",
"X.java",
"class X<T> {\n" +
" public void m(Number num) { System.out.print(\"X.m(Number) = \" + num + ','); }\n" +
" public void m(T t) { System.out.print(\"X.m(T) = \" + t + ','); }\n" +
"}\n",
"Y.java",
"class Y extends X<Number> {\n" +
" public void m(Number num) { System.out.print(\"Y.m(Number) = \" + num + ','); }\n" +
"}\n",
},
"X.m(Number) = 1,X.m(Number) = 2,Y.m(Number) = 1,Y.m(Number) = 2,");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=80028
public void test0437() {
this.runConformTest(
new String[] {
"A.java",
"public class A {\n" +
" public static void main(String[] args) {\n" +
" Number n= new Integer(1);\n" +
" X x = new X<Number>();\n" +
" x.m(n);\n" +
" x.m(new Integer(2));\n" +
" Y y= new Y();\n" +
" y.m(n);\n" +
" y.m(new Integer(2));\n" +
" }\n" +
"}\n",
"X.java",
"class X<T> {\n" +
" public void m(Number num) { System.out.print(\"X.m(Number) = \" + num + ','); }\n" +
" public void m(T t) { System.out.print(\"X.m(T) = \" + t + ','); }\n" +
"}\n",
"Y.java",
"class Y extends X<Number> {\n" +
" public void m(Number num) { System.out.print(\"Y.m(Number) = \" + num + ','); }\n" +
"}\n",
},
"X.m(Number) = 1,X.m(Number) = 2,Y.m(Number) = 1,Y.m(Number) = 2,");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=78591
public void test0438() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.List;\n" +
"public class X<T> {\n" +
" Zork z;\n" +
" List<T> list;\n" +
" void add(Object abs) {\n" +
" list.add((T) list.get(0)); // checked cast\n" +
" list.add((T) abs); // unchecked cast\n" +
" }\n" +
" void bar(List<? extends T> other) {\n" +
" list.add((T) other.get(0)); // checked cast\n" +
" }\n" +
" void baz(List<? super T> other) {\n" +
" list.add((T) other.get(0)); // unchecked cast\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 3)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n" +
"2. WARNING in X.java (at line 6)\n" +
" list.add((T) list.get(0)); // checked cast\n" +
" ^^^^^^^^^^^^^^^\n" +
"Unnecessary cast from T to T\n" +
"----------\n" +
"3. WARNING in X.java (at line 7)\n" +
" list.add((T) abs); // unchecked cast\n" +
" ^^^^^^^\n" +
"Type safety: Unchecked cast from Object to T\n" +
"----------\n" +
"4. WARNING in X.java (at line 10)\n" +
" list.add((T) other.get(0)); // checked cast\n" +
" ^^^^^^^^^^^^^^^^\n" +
"Unnecessary cast from capture#1-of ? extends T to T\n" +
"----------\n" +
"5. WARNING in X.java (at line 13)\n" +
" list.add((T) other.get(0)); // unchecked cast\n" +
" ^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from capture#2-of ? super T to T\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=78592
public void test0439() {
this.runNegativeTest(
new String[] {
"X.java",
"class Node {\n" +
"}\n" +
"class Composite<E> {\n" +
"}\n" +
"class Concrete extends Composite {\n" +
"}\n" +
"public class X {\n" +
" Composite<Node> comp = new Concrete(); // unchecked cast\n" +
" Zork z;\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 5)\n" +
" class Concrete extends Composite {\n" +
" ^^^^^^^^^\n" +
"Composite is a raw type. References to generic type Composite<E> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 8)\n" +
" Composite<Node> comp = new Concrete(); // unchecked cast\n" +
" ^^^^^^^^^^^^^^\n" +
"Type safety: The expression of type Concrete needs unchecked conversion to conform to Composite<Node>\n" +
"----------\n" +
"3. ERROR in X.java (at line 9)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
public void test0440() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T> {\n" +
" class Y<U> {\n" +
" public void foo(X<T> xt) {\n" +
" U u = (U) xt;\n" +
" }\n" +
" }\n" +
" Zork z;\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 4)\n" +
" U u = (U) xt;\n" +
" ^^^^^^\n" +
"Type safety: Unchecked cast from X<T> to U\n" +
"----------\n" +
"2. ERROR in X.java (at line 7)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
public void test0441() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T extends Number> {\n" +
" T[] array;\n" +
" X(int s) {\n" +
" array = (T[]) new Number[s]; // Unnecessary cast from Number[] to T[]\n" +
" array = new Number[s]; // Type mismatch: cannot convert from Number[] to T[]\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 4)\n" +
" array = (T[]) new Number[s]; // Unnecessary cast from Number[] to T[]\n" +
" ^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from Number[] to T[]\n" +
"----------\n" +
"2. ERROR in X.java (at line 5)\n" +
" array = new Number[s]; // Type mismatch: cannot convert from Number[] to T[]\n" +
" ^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Number[] to T[]\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=82053
public void test0442() {
this.runConformTest(
new String[] {
"X.java",
"class Foo {\n" +
" public interface Model {\n" +
" }\n" +
" public interface View<M extends Model> {\n" +
" M getTarget() ;\n" +
" }\n" +
"}\n" +
"class Bar {\n" +
" public interface Model extends Foo.Model {\n" +
" }\n" +
" public interface View<M extends Model> extends Foo.View<M> {\n" +
" }\n" +
"}\n" +
"public class X {\n" +
" public void baz() {\n" +
" Bar.View<?> bv = null ;\n" +
" Bar.Model m = bv.getTarget() ;\n" +
" }\n" +
"}\n",
},
"");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=81757
public void test0443() {
this.runConformTest(
new String[] {
"X.java",
"import java.util.Iterator;\n" +
"public class X implements Iterator<String> {\n" +
" public boolean hasNext() { return false; }\n" +
" public String next() { return null; }\n" +
" public void remove() {}\n" +
"}\n",
},
"");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=81824
public void test0444() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X implements I<Integer>, I<String> {}\n" +
"interface I<T> {}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 1)\n" +
" public class X implements I<Integer>, I<String> {}\n" +
" ^\n" +
"The interface I cannot be implemented more than once with different arguments: I<String> and I<Integer>\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=78810
public void test0445() {
this.runNegativeTest(
new String[] {
"X.java",
"public abstract class X {\n" +
" public abstract Object getProperty(final Object src, final String name);\n" +
" Zork z;\n" +
" public <T> T getTheProperty(final Object src, final String name)\n" +
" {\n" +
" final T val = (T) getProperty(src, name); // this gives erroneous cast warning\n" +
" return val;\n" +
" }\n" +
"}\n" ,
},
"----------\n" +
"1. ERROR in X.java (at line 3)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n" +
"2. WARNING in X.java (at line 6)\n" +
" final T val = (T) getProperty(src, name); // this gives erroneous cast warning\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from Object to T\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=82159
public void test0446() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<A> {\n" +
" class Inner<B> { }\n" +
"\n" +
" void method() {\n" +
" X<String>.Inner<Integer> a= new X<String>().new Inner<Integer>();\n" +
" Inner<Integer> b= new X<A>().new Inner<Integer>();\n" +
" Inner<Integer> c= new Inner<Integer>();\n" +
" // OK\n" +
"\n" +
" X<String>.Inner<Integer> d= new X<String>.Inner<Integer>();\n" +
" //eclipse: OK\n" +
" //other: error: \'(\' or \'[\' expected\n" +
"\n" +
" X<A>.Inner<Integer> e= new X<A>().new Inner<Integer>();\n" +
" X<A>.Inner<Integer> f= new Inner<Integer>();\n" +
" e= b;\n" +
" f= c;\n" +
" //other: OK\n" +
" //eclipse: Type mismatch: cannot convert from X<A>.Inner<Integer> to X<A>.Inner<Integer>\n" +
"\n" +
" }\n" +
"}\n" +
"\n" +
"class External {\n" +
" void m() {\n" +
" X<String>.Inner<Integer> x= new X<String>().new Inner<Integer>();\n" +
" // OK\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 10)\n" +
" X<String>.Inner<Integer> d= new X<String>.Inner<Integer>();\n" +
" ^^^^^^^^^^^^^^^\n" +
"Cannot allocate the member type X<String>.Inner<Integer> using a parameterized compound name; use its simple name and an enclosing instance of type X<String>\n" +
"----------\n",
JavacTestOptions.EclipseHasABug.EclipseBug236243);
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=82159 - variation
public void test0447() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<A> {\n" +
" class Inner<B> { }\n" +
"\n" +
" void method() {\n" +
" X<String>.Inner<Integer> d1 = new X<String>.Inner<Integer>();\n" +
" X.Inner d2 = new X.Inner();\n" +
" X.Inner<Integer> d3 = new X.Inner<Integer>();\n" +
" d1 = d2;\n" +
" d2 = d1;\n" +
" d1 = d3;\n" +
" d3 = d1;\n" +
" d2 = d3;\n" +
" d3 = d2;\n" +
"\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 5)\n" +
" X<String>.Inner<Integer> d1 = new X<String>.Inner<Integer>();\n" +
" ^^^^^^^^^^^^^^^\n" +
"Cannot allocate the member type X<String>.Inner<Integer> using a parameterized compound name; use its simple name and an enclosing instance of type X<String>\n" +
"----------\n" +
"2. WARNING in X.java (at line 6)\n" +
" X.Inner d2 = new X.Inner();\n" +
" ^^^^^^^\n" +
"X.Inner is a raw type. References to generic type X<A>.Inner<B> should be parameterized\n" +
"----------\n" +
"3. WARNING in X.java (at line 6)\n" +
" X.Inner d2 = new X.Inner();\n" +
" ^^^^^^^\n" +
"X.Inner is a raw type. References to generic type X<A>.Inner<B> should be parameterized\n" +
"----------\n" +
"4. ERROR in X.java (at line 7)\n" +
" X.Inner<Integer> d3 = new X.Inner<Integer>();\n" +
" ^^^^^^^\n" +
"The member type X.Inner<Integer> must be qualified with a parameterized type, since it is not static\n" +
"----------\n" +
"5. ERROR in X.java (at line 7)\n" +
" X.Inner<Integer> d3 = new X.Inner<Integer>();\n" +
" ^^^^^^^\n" +
"The member type X.Inner<Integer> must be qualified with a parameterized type, since it is not static\n" +
"----------\n" +
"6. WARNING in X.java (at line 8)\n" +
" d1 = d2;\n" +
" ^^\n" +
"Type safety: The expression of type X.Inner needs unchecked conversion to conform to X<String>.Inner<Integer>\n" +
"----------\n" +
"7. ERROR in X.java (at line 10)\n" +
" d1 = d3;\n" +
" ^^\n" +
"Type mismatch: cannot convert from X.Inner<Integer> to X<String>.Inner<Integer>\n" +
"----------\n" +
"8. ERROR in X.java (at line 11)\n" +
" d3 = d1;\n" +
" ^^\n" +
"Type mismatch: cannot convert from X<String>.Inner<Integer> to X.Inner<Integer>\n" +
"----------\n" +
"9. WARNING in X.java (at line 13)\n" +
" d3 = d2;\n" +
" ^^\n" +
"Type safety: The expression of type X.Inner needs unchecked conversion to conform to X.Inner<Integer>\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=82159 - variation
public void test0448() {
this.runConformTest(
new String[] {
"X.java",
"public class X<A> {\n" +
" static class Inner<B> { }\n" +
"\n" +
" void method() {\n" +
" X.Inner<Integer> d = new X.Inner<Integer>(); \n" +
" }\n" +
"}\n",
},
"");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=82159 - variation
public void test0448a() {
runConformTest(
// test directory preparation
new String[] { /* test files */
"X.java",
"public class X<T> {\n" +
" class Y {}\n" +
" X<?>.Y[] tab = new X<?>.Y[] {};\n" +
"}"
},
// javac options
JavacTestOptions.JavacHasABug.JavacBugFixed_7 /* javac test options */);
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=82159 - variation
public void test0449() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<A> {\n" +
" class Inner<B> { \n" +
" }\n" +
"\n" +
" void method() {\n" +
" X<String>.Inner<Integer> d4 = new X.Inner<Integer>();\n" +
" }\n" +
"}\n" ,
},
"----------\n" +
"1. ERROR in X.java (at line 6)\n" +
" X<String>.Inner<Integer> d4 = new X.Inner<Integer>();\n" +
" ^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from X.Inner<Integer> to X<String>.Inner<Integer>\n" +
"----------\n" +
"2. ERROR in X.java (at line 6)\n" +
" X<String>.Inner<Integer> d4 = new X.Inner<Integer>();\n" +
" ^^^^^^^\n" +
"The member type X.Inner<Integer> must be qualified with a parameterized type, since it is not static\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=82159 - variation
public void test0450() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<A> {\n" +
" static class Inner<B> { \n" +
" }\n" +
"\n" +
" void method() {\n" +
" X<String>.Inner<Integer> d4 = new X<String>.Inner<Integer>();\n" +
" }\n" +
"}\n" ,
},
"----------\n" +
"1. ERROR in X.java (at line 6)\n" +
" X<String>.Inner<Integer> d4 = new X<String>.Inner<Integer>();\n" +
" ^^^^^^^^^^^^^^^\n" +
"The member type X.Inner<B> cannot be qualified with a parameterized type, since it is static. Remove arguments from qualifying type X<String>\n" +
"----------\n" +
"2. ERROR in X.java (at line 6)\n" +
" X<String>.Inner<Integer> d4 = new X<String>.Inner<Integer>();\n" +
" ^^^^^^^^^^^^^^^\n" +
"The member type X.Inner<B> cannot be qualified with a parameterized type, since it is static. Remove arguments from qualifying type X<String>\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=82159 - variation
public void test0451() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<A> {\n" +
" class Inner<B> { \n" +
" }\n" +
"\n" +
" void method() {\n" +
" X<String>.Inner<Integer> d4 = new X<String>.Inner<Integer>() {};\n" +
" }\n" +
"}\n" ,
},
"----------\n" +
"1. ERROR in X.java (at line 6)\n" +
" X<String>.Inner<Integer> d4 = new X<String>.Inner<Integer>() {};\n" +
" ^^^^^^^^^^^^^^^\n" +
"Cannot allocate the member type X<String>.Inner<Integer> using a parameterized compound name; use its simple name and an enclosing instance of type X<String>\n" +
"----------\n",
JavacTestOptions.EclipseHasABug.EclipseBug236243);
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=82187
public void test0452() {
this.runConformTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"\n" +
"public class X {\n" +
" \n" +
" public <E extends Object, S extends Collection<E>> S test01(S param){\n" +
" System.out.println(\"SUCCESS\");\n" +
" return null;\n" +
" }\n" +
" \n" +
" public void test02() {\n" +
" test01(new Vector<String>());\n" +
" }\n" +
"\n" +
" public static void main(String[] args) {\n" +
" new X().test02();\n" +
" }\n" +
"}\n" ,
},
"SUCCESS");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=82250
public void test0453() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T extends I & I> {}\n" +
"interface I {}\n" ,
},
"----------\n" +
"1. ERROR in X.java (at line 1)\n" +
" public class X<T extends I & I> {}\n" +
" ^\n" +
"Duplicate bound I\n" +
"----------\n"
);
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=82504
public void test0454() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T, U extends X> {\n" +
" Object[] objectArr;\n" +
" void foo(T t) {\n" +
" T x1= (T) objectArr;\n" +
" U x2= (U) objectArr;\n" +
" int[] x= (int[]) t;\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 1)\n" +
" public class X<T, U extends X> {\n" +
" ^\n" +
"X is a raw type. References to generic type X<T,U> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 4)\n" +
" T x1= (T) objectArr;\n" +
" ^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from Object[] to T\n" +
"----------\n" +
"3. ERROR in X.java (at line 5)\n" +
" U x2= (U) objectArr;\n" +
" ^^^^^^^^^^^^^\n" +
"Cannot cast from Object[] to U\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=81719
public void test0455() {
this.runConformTest(
new String[] {
"AbstractTest.java",
"public abstract class AbstractTest<T> {\n" +
" abstract void array(T[] a);\n" +
" abstract void type(T a);\n" +
" abstract T[] foo();\n" +
"}\n",
},
"");
this.runConformTest(
new String[] {
"Test.java",
"public class Test<T> extends AbstractTest<T> {\n" +
" void array(T[] a) {}\n" +
" void type(T a) {}\n" +
" T[] foo() { return null; }\n" +
"}\n",
},
"",
null,
false, // do not flush output
null);
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=81721
public void test0456() {
this.runConformTest(
new String[] {
"X.java",
"interface I<T> {\n" +
" <S extends T> void doTest(S[] a);\n" +
"}\n" +
"\n" +
"abstract class AbstractTest<U> implements I<U> {\n" +
" public <V extends U> void doTest(V[] a) {}\n" +
"}\n" +
"\n" +
"public class X<M> extends AbstractTest<M> {}\n",
},
"");
}
public void test0457() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.List;\n" +
"\n" +
"public class X {\n" +
" \n" +
" void add(List<? super X> l) { \n" +
" l.add(new X()); \n" +
" }\n" +
" void add2(List<? extends X> l) { \n" +
" l.add(new X()); \n" +
" }\n" +
" \n" +
" static <T> void add3(List<T> l, List<T> l2) { \n" +
" }\n" +
" public static void main(String[] args) {\n" +
" List<X> lx = null;\n" +
" List<String> ls = null;\n" +
" add3(lx, ls);\n" +
" } \n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 9)\n" +
" l.add(new X()); \n" +
" ^^^\n" +
"The method add(capture#2-of ? extends X) in the type List<capture#2-of ? extends X> is not applicable for the arguments (X)\n" +
"----------\n" +
"2. ERROR in X.java (at line 17)\n" +
" add3(lx, ls);\n" +
" ^^^^\n" +
"The method add3(List<T>, List<T>) in the type X is not applicable for the arguments (List<X>, List<String>)\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=82243
public void test0458() {
this.runNegativeTest(
new String[] {
"X.java",
"interface A<E>{\n" +
" E getOne();\n" +
"}\n" +
"\n" +
"\n" +
"abstract class B<T extends Number> implements A<T> {\n" +
" Number getTwo() {\n" +
" return getOne(); // succeeds\n" +
" }\n" +
"}\n" +
"\n" +
"abstract class C extends B<Integer> {\n" +
"}\n" +
"\n" +
"public class X {\n" +
" void foo(A a, B b, C c){\n" +
" Object o= a.getOne();\n" +
" Number n1= b.getOne(); // fails\n" +
" Number n2= b.getTwo(); // succeeds, but inlining fails\n" +
" Integer i = c.getOne(); // succeeds\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 16)\n" +
" void foo(A a, B b, C c){\n" +
" ^\n" +
"A is a raw type. References to generic type A<E> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 16)\n" +
" void foo(A a, B b, C c){\n" +
" ^\n" +
"B is a raw type. References to generic type B<T> should be parameterized\n" +
"----------\n" +
"3. ERROR in X.java (at line 18)\n" +
" Number n1= b.getOne(); // fails\n" +
" ^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Object to Number\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=78027 - variation (check unchecked warnings)
public void test0459() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X \n" +
"{\n" +
"Zork z;\n" +
"}\n" +
"\n" +
"interface ITest<C extends X>\n" +
"{ \n" +
"}\n" +
"\n" +
"abstract class Test<C extends X> implements ITest<C>\n" +
"{\n" +
" protected Manager<C> m_manager;\n" +
" \n" +
" public ITest<C> get()\n" +
" {\n" +
" return m_manager.getById(getClass(), new Integer(1));\n" +
" }\n" +
" \n" +
" public static class Manager<C extends X>\n" +
" {\n" +
" public <T extends ITest<C>> T getById(Class<T> cls, Integer id)\n" +
" {\n" +
" return null;\n" +
" }\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 3)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n" +
"2. WARNING in X.java (at line 16)\n" +
" return m_manager.getById(getClass(), new Integer(1));\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked invocation getById(Class<capture#1-of ? extends Test>, Integer) of the generic method getById(Class<T>, Integer) of type Test.Manager<C>\n" +
"----------\n" +
"3. WARNING in X.java (at line 16)\n" +
" return m_manager.getById(getClass(), new Integer(1));\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: The expression of type Test needs unchecked conversion to conform to ITest<C>\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=82439
public void test0460() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"\n" +
"public class X {\n" +
"\n" +
" public <E extends Object, S extends Collection<E>> S test(S param) {\n" +
" \n" +
" Class<? extends Collection> c = param.getClass(); // ok\n" +
" Class<? extends Collection> d = getClazz(); // ko\n" +
" return null;\n" +
" }\n" +
" Class<? extends Object> getClazz() {\n" +
" return null;\n" +
" }\n" +
"}\n" +
"abstract class Z implements Collection<String> {\n" +
" void foo() {\n" +
" Class<? extends Collection> c = getClass(); // ok\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. WARNING in X.java (at line 7)\n" +
" Class<? extends Collection> c = param.getClass(); // ok\n" +
" ^^^^^^^^^^\n" +
"Collection is a raw type. References to generic type Collection<E> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 8)\n" +
" Class<? extends Collection> d = getClazz(); // ko\n" +
" ^^^^^^^^^^\n" +
"Collection is a raw type. References to generic type Collection<E> should be parameterized\n" +
"----------\n" +
"3. ERROR in X.java (at line 8)\n" +
" Class<? extends Collection> d = getClazz(); // ko\n" +
" ^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Class<capture#2-of ? extends Object> to Class<? extends Collection>\n" +
"----------\n" +
"4. WARNING in X.java (at line 17)\n" +
" Class<? extends Collection> c = getClass(); // ok\n" +
" ^^^^^^^^^^\n" +
"Collection is a raw type. References to generic type Collection<E> should be parameterized\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=82844
public void test0461() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T extends int[]> {\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 1)\n" +
" public class X<T extends int[]> {\n" +
" ^^^^^\n" +
"The array type int[] cannot be used as a type parameter bound\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=79628
public void test0462() {
this.runConformTest(
new String[] {
"PropertiedObject.java",
"interface PropertiedObject<B extends PropertiedObject<B>> {}\n" +
"interface Model extends PropertiedObject<Model> {}\n" +
"interface View<T extends Model,U> extends PropertiedObject<View<?,?>> {}\n"
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=79144
public void test0463() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.Set;\n" +
"public class X {\n" +
" Zork z;\n" +
" public Set<String>[] test() {\n" +
" Set[] sets = new Set[10];\n" +
" return sets;\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 3)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n" +
"2. WARNING in X.java (at line 5)\n" +
" Set[] sets = new Set[10];\n" +
" ^^^\n" +
"Set is a raw type. References to generic type Set<E> should be parameterized\n" +
"----------\n" +
"3. WARNING in X.java (at line 6)\n" +
" return sets;\n" +
" ^^^^\n" +
"Type safety: The expression of type Set[] needs unchecked conversion to conform to Set<String>[]\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=79144
// SHOULD FAIL AT 1.8 (RET): Type mismatch: cannot convert from List<String> to List
public void test0464() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"\n" +
"public class X {\n" +
" Zork z;\n" +
" public static void main(String[] args) {\n" +
" List<Integer>[] nums = new List[] {Collections.singletonList(\"Uh oh\")};\n" +
" System.out.println(nums[0].get(0).intValue());\n" +
" } \n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n" +
"2. WARNING in X.java (at line 6)\n" +
" List<Integer>[] nums = new List[] {Collections.singletonList(\"Uh oh\")};\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: The expression of type List[] needs unchecked conversion to conform to List<Integer>[]\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=82547
public void test0465() {
this.runNegativeTest(
new String[] {
"Cla.java",
"class Cla<T> {\n" +
" T getT() {\n" +
" return null;\n" +
" }\n" +
" \n" +
" void m() {\n" +
" String s= new Cla<String>.getT();\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. ERROR in Cla.java (at line 7)\n" +
" String s= new Cla<String>.getT();\n" +
" ^^^^^^^^^^^^^^^^\n" +
"Cla.getT cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=83096
public void test0466() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<A, A> { }\n"
},
"----------\n" +
"1. ERROR in X.java (at line 1)\n" +
" public class X<A, A> { }\n" +
" ^\n" +
"Duplicate type parameter A\n" +
"----------\n"
);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=82671
public void test0467() {
this.runConformTest(
new String[] {
"test/Foo.java",
"package test; \n" +
"public class Foo { \n" +
" protected String s; \n" +
" protected String dosomething(){ return \"done\"; } \n" +
" protected class Bar {} \n" +
"} \n",
"test02/FooBar.java",
"package test02; \n" +
"import test.Foo; \n" +
"public class FooBar<R> extends Foo { \n" +
" void fail() { \n" +
" FooBar f = new FooBar(); \n" +
" f.s = \"foo\"; \n" +
" this.s = \"foo\";\n" +
" f.dosomething(); \n" +
" this.dosomething(); \n" +
" Bar b1; \n" +
" FooBar.Bar b2; \n" +
" Foo.Bar b3; \n" +
" } \n" +
"}\n"
},
""
);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=82671 - variation
public void test0468() {
this.runConformTest(
new String[] {
"test/Foo.java",
"package test; \n" +
"public class Foo { \n" +
" String s; \n" +
" String dosomething(){ return \"done\"; } \n" +
" class Bar {} \n" +
"} \n",
"test/FooBar.java",
"package test; \n" +
"import test.Foo; \n" +
"public class FooBar<R> extends Foo { \n" +
" void fail() { \n" +
" FooBar f = new FooBar(); \n" +
" f.s = \"foo\"; \n" +
" this.s = \"foo\";\n" +
" f.dosomething(); \n" +
" this.dosomething(); \n" +
" Bar b1; \n" +
" FooBar.Bar b2; \n" +
" Foo.Bar b3; \n" +
" } \n" +
"}\n"
},
""
);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=83083
public void test0469() {
this.runConformTest(
new String[] {
"a/C.java",
"package a; \n" +
"import p.B; \n" +
"public class C extends B { \n" +
" public void foo(Object obj) {} \n" +
"} \n",
"p/B.java",
"package p; \n" +
"public class B<E> extends A<E> {} \n",
"p/A.java",
"package p; \n" +
"public class A<E> { \n" +
" public void foo(E e) {} \n" +
"}\n",
},
""
);
this.runConformTest(
new String[] {
"a/C.java",
"package a; \n" +
"import p.B; \n" +
"public class C extends B { \n" +
" public void foo(Object obj) {} \n" +
"} \n",
"p/A.java",
"package p; \n" +
"public class A<E> { \n" +
" public void foo(E e) {} \n" +
"}\n",
},
"",
null,
false, // do not flush output
null);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=83225
public void test0470() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" public static <T> T choose(boolean b, T t1, T t2) {\n" +
" if (b)\n" +
" return t1;\n" +
" return t2;\n" +
" }\n" +
"\n" +
" public static void foo() {\n" +
" Comparable s1 = choose(true, \"string\", new Integer(1));\n" +
" Number s2 = choose(true, new Integer(1), new Float(2));\n" +
" Comparable s3 = choose(true, new Integer(1), new Float(2));\n" +
" Cloneable s4 = choose(true, new Integer(1), new Float(2));\n" +
" Cloneable s5 = choose(true, \"string\", new Integer(1));\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. WARNING in X.java (at line 9)\n" +
" Comparable s1 = choose(true, \"string\", new Integer(1));\n" +
" ^^^^^^^^^^\n" +
"Comparable is a raw type. References to generic type Comparable<T> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 11)\n" +
" Comparable s3 = choose(true, new Integer(1), new Float(2));\n" +
" ^^^^^^^^^^\n" +
"Comparable is a raw type. References to generic type Comparable<T> should be parameterized\n" +
"----------\n" +
"3. ERROR in X.java (at line 12)\n" +
" Cloneable s4 = choose(true, new Integer(1), new Float(2));\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Number&Comparable<?> to Cloneable\n" +
"----------\n" +
"4. ERROR in X.java (at line 13)\n" +
" Cloneable s5 = choose(true, \"string\", new Integer(1));\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Object&Serializable&Comparable<?> to Cloneable\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=82671 - variation
public void test0471() {
this.runNegativeTest(
new String[] {
"test/Foo.java",
"package test; \n" +
"public class Foo<R> { \n" +
" protected R s; \n" +
" protected R dosomething(){ return s; } \n" +
" protected class Bar {} \n" +
"} \n",
"test02/FooBar.java",
"package test02; \n" +
"import test.Foo; \n" +
"public class FooBar<R> extends Foo<R> { \n" +
" void fail() { \n" +
" FooBar<String> f = new FooBar<String>(); \n" +
" f.s = \"foo\"; \n" +
" this.s = \"foo\";\n" +
" f.dosomething(); \n" +
" this.dosomething(); \n" +
" Bar b1; \n" +
" FooBar<String>.Bar b2; \n" +
" Foo<String>.Bar b3; \n" +
" } \n" +
"}\n"
},
"----------\n" +
"1. ERROR in test02\\FooBar.java (at line 7)\n" +
" this.s = \"foo\";\n" +
" ^^^^^\n" +
"Type mismatch: cannot convert from String to R\n" +
"----------\n" );
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=82671 - variation
public void test0472() {
this.runNegativeTest(
new String[] {
"test/Foo.java",
"package test; \n" +
"public class Foo<R> { \n" +
" private R s; \n" +
" private R dosomething(){ return s; } \n" +
" private class Bar {} \n" +
"} \n",
"test02/FooBar.java",
"package test02; \n" +
"import test.Foo; \n" +
"public class FooBar<R> extends Foo<R> { \n" +
" void fail() { \n" +
" FooBar<String> f = new FooBar<String>(); \n" +
" f.s = \"foo\"; \n" +
" this.s = \"foo\";\n" +
" f.dosomething(); \n" +
" this.dosomething(); \n" +
" Bar b1; \n" +
" FooBar<String>.Bar b2; \n" +
" Foo<String>.Bar b3; \n" +
" } \n" +
"}\n"
},
"----------\n" +
"1. ERROR in test02\\FooBar.java (at line 6)\n" +
" f.s = \"foo\"; \n" +
" ^\n" +
"The field Foo<String>.s is not visible\n" +
"----------\n" +
"2. ERROR in test02\\FooBar.java (at line 7)\n" +
" this.s = \"foo\";\n" +
" ^\n" +
"The field Foo<R>.s is not visible\n" +
"----------\n" +
"3. ERROR in test02\\FooBar.java (at line 7)\n" +
" this.s = \"foo\";\n" +
" ^^^^^\n" +
"Type mismatch: cannot convert from String to R\n" +
"----------\n" +
"4. ERROR in test02\\FooBar.java (at line 8)\n" +
" f.dosomething(); \n" +
" ^^^^^^^^^^^\n" +
"The method dosomething() from the type Foo<String> is not visible\n" +
"----------\n" +
"5. ERROR in test02\\FooBar.java (at line 9)\n" +
" this.dosomething(); \n" +
" ^^^^^^^^^^^\n" +
"The method dosomething() from the type Foo<R> is not visible\n" +
"----------\n" +
"6. ERROR in test02\\FooBar.java (at line 10)\n" +
" Bar b1; \n" +
" ^^^\n" +
"The type Bar is not visible\n" +
"----------\n" +
"7. ERROR in test02\\FooBar.java (at line 11)\n" +
" FooBar<String>.Bar b2; \n" +
" ^^^^^^^^^^^^^^^^^^\n" +
"The type FooBar.Bar is not visible\n" +
"----------\n" +
"8. ERROR in test02\\FooBar.java (at line 12)\n" +
" Foo<String>.Bar b3; \n" +
" ^^^^^^^^^^^^^^^\n" +
"The type Foo.Bar is not visible\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=81594
public void test0473() {
this.runConformTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"public class X\n" +
"{\n" +
" List<B> itsList;\n" +
" B itsB;\n" +
" MyTyped itsTyped;\n" +
" \n" +
" \n" +
" public void test()\n" +
" {\n" +
" method (itsList, itsB, itsTyped);\n" +
" }\n" +
" \n" +
" public <T> void method (List<? extends T> arg1, T arg2, Typed<? super T> arg3)\n" +
" {\n" +
" }\n" +
" \n" +
" interface A{}\n" +
" class B implements A{}\n" +
" class Typed<T>{}\n" +
" class MyTyped extends Typed<A>{}\n" +
"\n" +
"}\n"
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=81594 - variation
public void test0474() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" Typed<B> itsList;\n" +
" Typed<A> itsTyped;\n" +
" public void test() {\n" +
" method(itsList, itsTyped);\n" +
" }\n" +
" public <T> void method(Typed<? extends T> arg1, Typed<? super T> arg3) {\n" +
" }\n" +
" interface A {\n" +
" }\n" +
" class B implements A {\n" +
" }\n" +
" class Typed<T> {\n" +
" }\n" +
"}\n"
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=83398
public void test0475() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.List;\n" +
"\n" +
"public class X {\n" +
" void method(List<? super Number> list) {\n" +
" list.add(new Object()); // should fail\n" +
" list.add(new Integer(3)); // correct\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 5)\n" +
" list.add(new Object()); // should fail\n" +
" ^^^\n" +
"The method add(capture#1-of ? super Number) in the type List<capture#1-of ? super Number> is not applicable for the arguments (Object)\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=83398 - variation
public void test0476() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.List;\n" +
"\n" +
"public class X {\n" +
" void method(List<? super Number> list, List<Object> lo) {\n" +
" list = lo;\n" +
" lo = list;\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 6)\n" +
" lo = list;\n" +
" ^^^^\n" +
"Type mismatch: cannot convert from List<capture#2-of ? super Number> to List<Object>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=83398 - variation
public void test0477() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"public class X<T extends Number> {\n" +
" List<? super T> lhs;\n" +
" List<? extends Number> rhs;\n" +
" {\n" +
" lhs.add(rhs.get(0));\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 6)\n" +
" lhs.add(rhs.get(0));\n" +
" ^^^\n" +
"The method add(capture#1-of ? super T) in the type List<capture#1-of ? super T> is not applicable for the arguments (capture#2-of ? extends Number)\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=83398 - variation
public void test0478() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"public class X<U extends Number> {\n" +
" List<? super Number> lhs;\n" +
" List<? super U> rhs;\n" +
" {\n" +
" lhs.add(rhs.get(0));\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 6)\n" +
" lhs.add(rhs.get(0));\n" +
" ^^^\n" +
"The method add(capture#1-of ? super Number) in the type List<capture#1-of ? super Number> is not applicable for the arguments (capture#2-of ? super U)\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=83398 - variation
public void test0479() {
this.runConformTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"public class X<U extends Number> {\n" +
" List<? super Number> lhs;\n" +
" List<? extends U> rhs;\n" +
" {\n" +
" lhs.add(rhs.get(0));\n" +
" }\n" +
"}\n"
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=83398 - variation
public void test0480() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"public class X<U extends Number> {\n" +
" List<? super Integer> lhs;\n" +
" List<? extends Number> rhs;\n" +
" {\n" +
" lhs.add(rhs.get(0));\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 6)\n" +
" lhs.add(rhs.get(0));\n" +
" ^^^\n" +
"The method add(capture#1-of ? super Integer) in the type List<capture#1-of ? super Integer> is not applicable for the arguments (capture#2-of ? extends Number)\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=83398 - variation
public void test0481() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"public class X<U extends Number> {\n" +
" List<? super Number> lhs;\n" +
" List<? super Integer> rhs;\n" +
" {\n" +
" lhs.add(rhs.get(0));\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 6)\n" +
" lhs.add(rhs.get(0));\n" +
" ^^^\n" +
"The method add(capture#1-of ? super Number) in the type List<capture#1-of ? super Number> is not applicable for the arguments (capture#2-of ? super Integer)\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=83799
public void test0482() {
this.runConformTest(
new String[] {
"X.java",
"public final class X {\n" +
" public <T> void testEquals(final String x, T one, T two) {\n" +
" }\n" +
"\n" +
" public <T1, T2> void testEqualsAlt(final String x, T1 one, T2 two) {\n" +
" }\n" +
"\n" +
" public interface Fooey {\n" +
" }\n" +
"\n" +
" public interface Bar extends Fooey {\n" +
" }\n" +
"\n" +
" public interface GenericFooey<T> {\n" +
" }\n" +
"\n" +
" public interface GenericBar<T> extends GenericFooey<T> {\n" +
" }\n" +
"\n" +
" public void testGeneric() {\n" +
" testEquals(\"Should work\", new GenericBar<Long>() {\n" +
" }, new GenericBar<Long>() {\n" +
" });\n" +
" final GenericBar<Long> child = new GenericBar<Long>() {\n" +
" };\n" +
" final GenericFooey<Long> parent = child;\n" +
" testEquals(\"Doesn\'t work but should\", child, parent); // this\n" +
" // fails\n" +
" // but should work it\'s identical to next line.\n" +
" testEquals(\"Doesn\'t work but should\", (GenericFooey<Long>) child, parent);\n" +
" testEqualsAlt(\"Should work\", child, parent);\n" +
" }\n" +
" public void test() {\n" +
" testEquals(\"Should work\", new Bar() {\n" +
" }, new Bar() {\n" +
" });\n" +
" final Bar child = new Bar() {\n" +
" };\n" +
" final Fooey parent = child;\n" +
" testEquals(\"Doesn\'t work but should\", child, parent);\n" +
" testEquals(\"Doesn\'t work but should\", (Fooey) child, parent);\n" +
" testEqualsAlt(\"Should work\", child, parent);\n" +
" }\n" +
"}\n"
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=83904
public void test0483() {
this.runNegativeTest(
new String[] {
"X.java",
"class Y<T extends Number> {\n" +
"}\n" +
"\n" +
"public class X {\n" +
" public static void main(String argv[]) {\n" +
" m(new Y<Short>(), new Y<Integer>());\n" +
" }\n" +
"\n" +
" public static <T extends Number> void m(Y<T> x, Y<T> y) {\n" +
" }\n" +
"}\n" +
"\n"
},
"----------\n" +
"1. ERROR in X.java (at line 6)\n" +
" m(new Y<Short>(), new Y<Integer>());\n" +
" ^\n" +
"The method m(Y<T>, Y<T>) in the type X is not applicable for the arguments (Y<Short>, Y<Integer>)\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=82349
public void test0484() {
this.runConformTest(
new String[] {
"X.java",
"class Base<T> {\n" +
" public class Inner {\n" +
" }\n" +
" Inner a;\n" +
"}\n" +
"\n" +
"public class X extends Base<Integer> {\n" +
" class DerivedInner extends Inner {\n" +
" }\n" +
" X() {\n" +
" a = new DerivedInner();\n" +
" }\n" +
"}\n"
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=82349 - variation
public void test0485() {
this.runConformTest(
new String[] {
"X.java",
"class Base<T> {\n" +
" public class Inner<U> {\n" +
" }\n" +
" Inner a;\n" +
"}\n" +
"\n" +
"public class X extends Base<Integer> {\n" +
" class DerivedInner extends Inner {\n" +
" }\n" +
" X() {\n" +
" a = new DerivedInner();\n" +
" }\n" +
"}\n"
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=82349 - variation
public void test0486() {
this.runConformTest(
new String[] {
"X.java",
"class Base<T> {\n" +
" public class Inner<U> {\n" +
" }\n" +
" Inner a;\n" +
"}\n" +
"\n" +
"public class X extends Base<Integer> {\n" +
" class DerivedInner extends Inner<Float> {\n" +
" }\n" +
" X() {\n" +
" a = new DerivedInner();\n" +
" }\n" +
"}\n"
},
"");
}
public void test0487() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"\n" +
"public class X {\n" +
" void foo(List<String> ls) {\n" +
" List<?> l = ls;\n" +
" bar(l, \"\"); \n" +
" }\n" +
" <T> void bar(List<? super T> l, T t) {\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 6)\n" +
" bar(l, \"\"); \n" +
" ^^^\n" +
"The method bar(List<? super T>, T) in the type X is not applicable for the arguments (List<capture#1-of ?>, String)\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=84496
public void test0488() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" public static void main(String[] args) {\n" +
" Foo<?> f1 = new Foo<Integer>();\n" +
" Foo<?> f2 = new Foo<String>();\n" +
" f1.bar = f2.bar;\n" +
" }\n" +
" static class Foo<T> {\n" +
" Bar<T> bar = new Bar<T>();\n" +
" }\n" +
" static class Bar<T> {\n" +
" T t;\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 5)\n" +
" f1.bar = f2.bar;\n" +
" ^^^^^^\n" +
"Type mismatch: cannot convert from X.Bar<capture#2-of ?> to X.Bar<capture#1-of ?>\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=84496
public void test0489() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" public static void main(String[] args) {\n" +
" Foo<?> f1 = new Foo<Integer>();\n" +
" f1.bar = f1.bar;\n" +
" }\n" +
" static class Foo<T> {\n" +
" Bar<T> bar = new Bar<T>();\n" +
" }\n" +
" static class Bar<T> {\n" +
" T t;\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" f1.bar = f1.bar;\n" +
" ^^^^^^\n" +
"Type mismatch: cannot convert from X.Bar<capture#2-of ?> to X.Bar<capture#1-of ?>\n" +
"----------\n");
}
public void test0490() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T> {\n" +
" T t;\n" +
" void foo(X<?> lhs, X<?> rhs) {\n" +
" lhs = rhs;\n" +
" lhs.t = rhs.t;\n" +
" }\n" +
" void bar(X<X<?>> lhs, X<X<?>> rhs) {\n" +
" lhs = rhs;\n" +
" lhs.t = rhs.t;\n" +
" }}\n" +
"\n"
},
"----------\n" +
"1. ERROR in X.java (at line 5)\n" +
" lhs.t = rhs.t;\n" +
" ^^^^^\n" +
"Type mismatch: cannot convert from capture#4-of ? to capture#3-of ?\n" +
"----------\n");
}
public void test0491() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T> {\n" +
" T t;\n" +
" void foo(X<?> lhs, X<?> rhs) {\n" +
" lhs = rhs;\n" +
" lhs.t = rhs.t;\n" +
" }\n" +
" void bar(X<X<?>> lhs, X<X<?>> rhs) {\n" +
" lhs = rhs;\n" +
" lhs.t = rhs.t;\n" +
" }\n" +
" void baz(X<? super Number> lhs, X<? extends Number> rhs) {\n" +
" lhs = rhs;\n" +
" lhs.t = rhs.t;\n" +
" }\n" +
" void baz2(X<? extends Number> lhs, X<? extends Number> rhs) {\n" +
" lhs = rhs;\n" +
" lhs.t = rhs.t;\n" +
" }\n" +
" void baz3(X<? extends Number> lhs, X<? super Number> rhs) {\n" +
" lhs = rhs;\n" +
" lhs.t = rhs.t;\n" +
" }\n" +
" void baz4(X<? super Number> lhs, X<? super Number> rhs) {\n" +
" lhs = rhs;\n" +
" lhs.t = rhs.t;\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 5)\n" +
" lhs.t = rhs.t;\n" +
" ^^^^^\n" +
"Type mismatch: cannot convert from capture#4-of ? to capture#3-of ?\n" +
"----------\n" +
"2. ERROR in X.java (at line 12)\n" +
" lhs = rhs;\n" +
" ^^^\n" +
"Type mismatch: cannot convert from X<capture#8-of ? extends Number> to X<? super Number>\n" +
"----------\n" +
"3. ERROR in X.java (at line 17)\n" +
" lhs.t = rhs.t;\n" +
" ^^^^^\n" +
"Type mismatch: cannot convert from capture#14-of ? extends Number to capture#13-of ? extends Number\n" +
"----------\n" +
"4. ERROR in X.java (at line 20)\n" +
" lhs = rhs;\n" +
" ^^^\n" +
"Type mismatch: cannot convert from X<capture#16-of ? super Number> to X<? extends Number>\n" +
"----------\n" +
"5. ERROR in X.java (at line 21)\n" +
" lhs.t = rhs.t;\n" +
" ^^^^^\n" +
"Type mismatch: cannot convert from capture#18-of ? super Number to capture#17-of ? extends Number\n" +
"----------\n" +
"6. ERROR in X.java (at line 25)\n" +
" lhs.t = rhs.t;\n" +
" ^^^^^\n" +
"Type mismatch: cannot convert from capture#22-of ? super Number to capture#21-of ? super Number\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=81576
public void test0492() {
this.runConformTest(
new String[] {
"SuperType.java",//====================================
"public class SuperType<T> {\n" +
" protected InnerType valueWrapper;\n" +
" protected class InnerType {\n" +
" private T value;\n" +
" protected InnerType(T value) {\n" +
" this.value = value;\n" +
" }\n" +
" }\n" +
" public SuperType(T value) {\n" +
" /*\n" +
" * This constructor exists only to show that the usage of the inner\n" +
" * class within its enclosing class makes no problems\n" +
" */\n" +
" this.valueWrapper = new InnerType(value);\n" +
" }\n" +
" protected SuperType() {\n" +
" // Provided for the convenience of subclasses\n" +
" }\n" +
"}\n",
"SubType.java",//====================================
"public class SubType<T> extends SuperType<T> {\n" +
"\n" +
" public SubType(T value) {\n" +
"\n" +
" /* The constructor SuperType <T>.InnerType(T) is undefined */\n" +
" InnerType localValueWrapper = new InnerType(value);\n" +
"\n" +
" /*\n" +
" * Type mismatch: cannot convert from SuperType <T>.InnerType to\n" +
" * SuperType <T>.InnerType\n" +
" * \n" +
" * Type safety: The expression of raw type SuperType.InnerType is\n" +
" * converted to SuperType <T>.InnerType. References to generic type\n" +
" * SuperType <T>.InnerType should be parametrized.\n" +
" */\n" +
" localValueWrapper = super.valueWrapper;\n" +
" }\n" +
"\n" +
"}\n"
},
"");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=83611
public void test0493() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" public class M<T> { M(Class<T> templateClass) {} }\n" +
"}\n",
"Y.java",
"public class Y extends X {\n" +
" void test() { M<X> m = new M<X>(X.class); }\n" +
"}\n"
},
""
);
this.runConformTest(
new String[] {
"Y.java",
"public class Y extends X {\n" +
" void test() { M<X> m = new M<X>(X.class); }\n" +
"}\n"
},
"",
null,
false,
null
);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=83615
public void test0494() {
String xSource =
"public class X {\n" +
"\n" +
" public static void main(String[] args) {\n" +
" Number n= null;\n" +
" Integer i= null;\n" +
" new X().nextTry(i, n);\n" +
" new X().nextTry2(n, i);\n" +
" } \n" +
" \n" +
" <I, N extends I> void nextTry(I i, N n) {}\n" +
" \n" +
" <N, I extends N> void nextTry2(N n, I i) {} \n" +
"}\n";
if (this.complianceLevel < ClassFileConstants.JDK1_8) {
this.runNegativeTest(
new String[] {
"X.java",
xSource
},
"----------\n" +
"1. ERROR in X.java (at line 6)\n" +
" new X().nextTry(i, n);\n" +
" ^^^^^^^\n" +
"Bound mismatch: The generic method nextTry(I, N) of type X is not applicable for the arguments (Integer, Number). The inferred type Number is not a valid substitute for the bounded parameter <N extends I>\n" +
"----------\n");
} else {
runConformTest(new String[] { "X.java", xSource });
}
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=84422
public void test0495() {
this.runConformTest(
new String[] {
"X.java",//====================================
"import java.util.*;\n" +
"\n" +
"public class X {\n" +
" List l= null; \n" +
"\n" +
" void add(String s) {\n" +
" l.add(s);\n" +
" }\n" +
" \n" +
" void addAll(String[] ss) {\n" +
" l.addAll(Arrays.asList(ss));\n" +
" }\n" +
" \n" +
" String[] get() {\n" +
" return (String[])l.toArray(new String[l.size()]);\n" +
" }\n" +
"}\n"
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=84593
public void test0496() {
this.runConformTest(
new String[] {
"X.java",//====================================
"class Super<S> {\n" +
" class A<E> { }\n" +
" <T> void take(A<S> o) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
"}\n" +
"class Sub extends Super<Double> {\n" +
" void test() {\n" +
" take(new A());\n" +
" }\n" +
"}\n" +
"public class X {\n" +
" public static void main(String[] args) {\n" +
" new Sub().test();\n" +
" }\n" +
"}\n"
},
"SUCCESS");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=84593 - variation - uncheck warnings
public void test0497() {
this.runNegativeTest(
new String[] {
"X.java",//====================================
"class Super<S> {\n" +
" class A<E> { }\n" +
" <T> void take(A<S> o) {\n" +
" }\n" +
"}\n" +
"class Sub extends Super<Double> {\n" +
" void test() {\n" +
" take(new A());\n" +
" }\n" +
"}\n" +
"public class X {\n" +
" public static void main(String[] args) {\n" +
" new Sub().test();\n" +
" Zork z;\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. WARNING in X.java (at line 8)\n" +
" take(new A());\n" +
" ^^^^^^^^^^^^^\n" +
"Type safety: Unchecked invocation take(Super.A) of the generic method take(Super<S>.A<S>) of type Super<Double>\n" +
"----------\n" +
"2. WARNING in X.java (at line 8)\n" +
" take(new A());\n" +
" ^^^^^^^\n" +
"Type safety: The expression of type Super.A needs unchecked conversion to conform to Super<Double>.A<Double>\n" +
"----------\n" +
"3. WARNING in X.java (at line 8)\n" +
" take(new A());\n" +
" ^\n" +
"Super.A is a raw type. References to generic type Super<S>.A<E> should be parameterized\n" +
"----------\n" +
"4. ERROR in X.java (at line 14)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=84743 - variation in -source 1.4 mode but 1.5 compliance (ignore covariance)
public void test0498(){
Map customOptions = getCompilerOptions();
customOptions.put(CompilerOptions.OPTION_Source, CompilerOptions.VERSION_1_4);
runNegativeTest(
// test directory preparation
true /* flush output directory */,
new String[] { /* test files */
"X.java",
"interface I {\n" +
" String foo();\n" +
"}\n" +
"interface J {\n" +
" Object foo();\n" +
"}\n" +
" \n" +
"public class X implements I {\n" +
" public String foo() {\n" +
" return \"\";\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" I i = new X();\n" +
" try {\n" +
" J j = (J) i;\n" +
" } catch(ClassCastException e) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
" }\n" +
"}\n"
},
// compiler options
null /* no class libraries */,
customOptions /* custom options */,
// compiler results
"----------\n" + /* expected compiler log */
"1. ERROR in X.java (at line 15)\n" +
" J j = (J) i;\n" +
" ^^^^^\n" +
"Cannot cast from I to J\n" +
"----------\n",
// javac options
RUN_JAVAC ? /* javac test options */
new JavacTestOptions("-source 1.4") :
JavacTestOptions.DEFAULT );
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=85157
public void test0499(){
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" public static void main(String argv[]) {\n" +
" String[] tab1 = new String[0];\n" +
" Integer[] tab2 = new Integer[0];\n" +
" boolean cond = true;\n" +
" Integer[] var = cond ? tab1 : tab2;\n" +
" System.out.println(var);\n" +
" }\n" +
"}\n"
},
this.complianceLevel < ClassFileConstants.JDK1_8 ?
"----------\n" +
"1. ERROR in X.java (at line 6)\n" +
" Integer[] var = cond ? tab1 : tab2;\n" +
" ^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Object&Serializable&Comparable<? extends Object&Serializable&Comparable<?>>[] to Integer[]\n" +
"----------\n":
"----------\n" +
"1. ERROR in X.java (at line 6)\n" +
" Integer[] var = cond ? tab1 : tab2;\n" +
" ^^^^\n" +
"Type mismatch: cannot convert from String[] to Integer[]\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=84251
public void test0500(){
this.runConformTest(
new String[] {
"X.java",
"import java.util.ArrayList;\n" +
"import java.util.Collection;\n" +
"\n" +
"interface Sink<T> { \n" +
" void flush(T t);\n" +
"}\n" +
"class SimpleSinkImpl<T> implements Sink<T> {\n" +
" public void flush(T t) {}\n" +
"}\n" +
"public class X {\n" +
"\n" +
" private <T> T writeAll(Collection<T> coll, Sink<? super T> snk) { \n" +
" T last = null;\n" +
" for (T t : coll) { \n" +
" last = t;\n" +
" snk.flush(last);\n" +
" }\n" +
" return last;\n" +
" }\n" +
"\n" +
" public void test01() {\n" +
" Sink<Object> s = new SimpleSinkImpl<Object>();\n" +
" Collection<String> cs = new ArrayList<String>();\n" +
" cs.add(\"hello!\");\n" +
" cs.add(\"goodbye\");\n" +
" cs.add(\"see you\");\n" +
" \n" +
" String str = this.writeAll(cs, s); \n" +
" }\n" +
"\n" +
" public static void main(String[] args) {\n" +
" X test = new X();\n" +
" \n" +
" test.test01();\n" +
" }\n" +
"}\n"
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=85303 - variation
public void test0501() throws Exception {
this.runConformTest(
new String[] {
"X.java",
"public class X <T extends AX> {\n" +
" T t;\n" +
" X(T t){\n" +
" this.t = t;\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" X<? extends BX> x = new X<BX<String>>(new BX<String>());\n" +
" System.out.print(x.t.ax);\n" +
" System.out.print(x.t.bx);\n" +
" }\n" +
"}\n" +
"\n" +
"class AX<P> {\n" +
" P ax;\n" +
"}\n" +
"\n" +
"class BX<Q> extends AX<Q> {\n" +
" Q bx;\n" +
"}\n",
},
"nullnull");
String expectedOutput =
" // Method descriptor #25 ([Ljava/lang/String;)V\n" +
" // Stack: 4, Locals: 2\n" +
" public static void main(java.lang.String[] args);\n" +
" 0 new X [1]\n" +
" 3 dup\n" +
" 4 new BX [26]\n" +
" 7 dup\n" +
" 8 invokespecial BX() [28]\n" +
" 11 invokespecial X(AX) [29]\n" +
" 14 astore_1 [x]\n" +
" 15 getstatic java.lang.System.out : java.io.PrintStream [31]\n" +
" 18 aload_1 [x]\n" +
" 19 getfield X.t : AX [16]\n" +
" 22 checkcast BX [26]\n" +
" 25 getfield BX.ax : java.lang.Object [37]\n" +
" 28 invokevirtual java.io.PrintStream.print(java.lang.Object) : void [41]\n" +
" 31 getstatic java.lang.System.out : java.io.PrintStream [31]\n" +
" 34 aload_1 [x]\n" +
" 35 getfield X.t : AX [16]\n" +
" 38 checkcast BX [26]\n" +
" 41 getfield BX.bx : java.lang.Object [47]\n" +
" 44 invokevirtual java.io.PrintStream.print(java.lang.Object) : void [41]\n" +
" 47 return\n" +
" Line numbers:\n" +
" [pc: 0, line: 7]\n" +
" [pc: 15, line: 8]\n" +
" [pc: 31, line: 9]\n" +
" [pc: 47, line: 10]\n" +
" Local variable table:\n" +
" [pc: 0, pc: 48] local: args index: 0 type: java.lang.String[]\n" +
" [pc: 15, pc: 48] local: x index: 1 type: X\n" +
" Local variable type table:\n" +
" [pc: 15, pc: 48] local: x index: 1 type: X<? extends BX>\n";
File f = new File(OUTPUT_DIR + File.separator + "X.class");
byte[] classFileBytes = org.eclipse.jdt.internal.compiler.util.Util.getFileByteContent(f);
ClassFileBytesDisassembler disassembler = ToolFactory.createDefaultClassFileBytesDisassembler();
String result = disassembler.disassemble(classFileBytes, "\n", ClassFileBytesDisassembler.DETAILED);
int index = result.indexOf(expectedOutput);
if (index == -1 || expectedOutput.length() == 0) {
System.out.println(Util.displayString(result, 3));
}
if (index == -1) {
assertEquals("Wrong contents", expectedOutput, result);
}
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=85303 - variation
public void test0502() throws Exception {
this.runConformTest(
new String[] {
"X.java",
"public class X <T extends AX> {\n" +
" T t;\n" +
" X(T t){\n" +
" this.t = t;\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" X<? extends BX> x = new X<BX<String>>(new BX<String>());\n" +
" System.out.print(x.self().t.ax);\n" +
" System.out.print(x.self().t.bx);\n" +
" }\n" +
" X<T> self() {\n" +
" return this;\n" +
" }\n" +
"}\n" +
"\n" +
"class AX<P> {\n" +
" P ax;\n" +
"}\n" +
"\n" +
"class BX<Q> extends AX<Q> {\n" +
" Q bx;\n" +
"}\n",
},
"nullnull");
String expectedOutput =
" // Method descriptor #25 ([Ljava/lang/String;)V\n" +
" // Stack: 4, Locals: 2\n" +
" public static void main(java.lang.String[] args);\n" +
" 0 new X [1]\n" +
" 3 dup\n" +
" 4 new BX [26]\n" +
" 7 dup\n" +
" 8 invokespecial BX() [28]\n" +
" 11 invokespecial X(AX) [29]\n" +
" 14 astore_1 [x]\n" +
" 15 getstatic java.lang.System.out : java.io.PrintStream [31]\n" +
" 18 aload_1 [x]\n" +
" 19 invokevirtual X.self() : X [37]\n" +
" 22 getfield X.t : AX [16]\n" +
" 25 checkcast BX [26]\n" +
" 28 getfield BX.ax : java.lang.Object [41]\n" +
" 31 invokevirtual java.io.PrintStream.print(java.lang.Object) : void [45]\n" +
" 34 getstatic java.lang.System.out : java.io.PrintStream [31]\n" +
" 37 aload_1 [x]\n" +
" 38 invokevirtual X.self() : X [37]\n" +
" 41 getfield X.t : AX [16]\n" +
" 44 checkcast BX [26]\n" +
" 47 getfield BX.bx : java.lang.Object [51]\n" +
" 50 invokevirtual java.io.PrintStream.print(java.lang.Object) : void [45]\n" +
" 53 return\n" +
" Line numbers:\n" +
" [pc: 0, line: 7]\n" +
" [pc: 15, line: 8]\n" +
" [pc: 34, line: 9]\n" +
" [pc: 53, line: 10]\n" +
" Local variable table:\n" +
" [pc: 0, pc: 54] local: args index: 0 type: java.lang.String[]\n" +
" [pc: 15, pc: 54] local: x index: 1 type: X\n" +
" Local variable type table:\n" +
" [pc: 15, pc: 54] local: x index: 1 type: X<? extends BX>\n";
File f = new File(OUTPUT_DIR + File.separator + "X.class");
byte[] classFileBytes = org.eclipse.jdt.internal.compiler.util.Util.getFileByteContent(f);
ClassFileBytesDisassembler disassembler = ToolFactory.createDefaultClassFileBytesDisassembler();
String result = disassembler.disassemble(classFileBytes, "\n", ClassFileBytesDisassembler.DETAILED);
int index = result.indexOf(expectedOutput);
if (index == -1 || expectedOutput.length() == 0) {
System.out.println(Util.displayString(result, 3));
}
if (index == -1) {
assertEquals("Wrong contents", expectedOutput, result);
}
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=85303 - variation
public void test0503() throws Exception {
this.runConformTest(
new String[] {
"X.java",
"class XA {}\n" +
"interface XB {\n" +
" XB CONST = new XB(){ public String toString() { return \"SUCCESS\"; }};\n" +
"}\n" +
"class XAB extends XA implements XB {}\n" +
"\n" +
"public class X <E extends XA&XB> {\n" +
" E e;\n" +
" public static void main(String[] args) {\n" +
" System.out.print(new X<XAB>().e.CONST);\n" +
" new X<XAB>().foo();\n" +
" }\n" +
" public void foo() {\n" +
" System.out.print(this.e.CONST);\n" +
" }\n" +
"}\n",
},
"SUCCESSSUCCESS");
String expectedOutput =
"// Signature: <E:LXA;:LXB;>Ljava/lang/Object;\n" +
"public class X {\n" +
" \n" +
" // Field descriptor #6 LXA;\n" +
" // Signature: TE;\n" +
" XA e;\n" +
" \n" +
" // Method descriptor #10 ()V\n" +
" // Stack: 1, Locals: 1\n" +
" public X();\n" +
" 0 aload_0 [this]\n" +
" 1 invokespecial java.lang.Object() [12]\n" +
" 4 return\n" +
" Line numbers:\n" +
" [pc: 0, line: 7]\n" +
" Local variable table:\n" +
" [pc: 0, pc: 5] local: this index: 0 type: X\n" +
" Local variable type table:\n" +
" [pc: 0, pc: 5] local: this index: 0 type: X<E>\n" +
" \n" +
" // Method descriptor #21 ([Ljava/lang/String;)V\n" +
" // Stack: 3, Locals: 1\n" +
" public static void main(java.lang.String[] args);\n" +
" 0 getstatic java.lang.System.out : java.io.PrintStream [22]\n" +
" 3 new X [1]\n" +
" 6 dup\n" +
" 7 invokespecial X() [28]\n" +
" 10 getfield X.e : XA [29]\n" +
" 13 checkcast XAB [31]\n" +
" 16 pop\n" +
" 17 getstatic XAB.CONST : XB [33]\n" +
" 20 invokevirtual java.io.PrintStream.print(java.lang.Object) : void [37]\n" +
" 23 new X [1]\n" +
" 26 dup\n" +
" 27 invokespecial X() [28]\n" +
" 30 invokevirtual X.foo() : void [43]\n" +
" 33 return\n" +
" Line numbers:\n" +
" [pc: 0, line: 10]\n" +
" [pc: 23, line: 11]\n" +
" [pc: 33, line: 12]\n" +
" Local variable table:\n" +
" [pc: 0, pc: 34] local: args index: 0 type: java.lang.String[]\n" +
" \n" +
" // Method descriptor #10 ()V\n" +
" // Stack: 2, Locals: 1\n" +
" public void foo();\n" +
" 0 getstatic java.lang.System.out : java.io.PrintStream [22]\n" +
" 3 aload_0 [this]\n" +
" 4 getfield X.e : XA [29]\n" +
" 7 checkcast XB [48]\n" +
" 10 pop\n" +
" 11 getstatic XB.CONST : XB [50]\n" +
" 14 invokevirtual java.io.PrintStream.print(java.lang.Object) : void [37]\n" +
" 17 return\n" +
" Line numbers:\n" +
" [pc: 0, line: 14]\n" +
" [pc: 17, line: 15]\n" +
" Local variable table:\n" +
" [pc: 0, pc: 18] local: this index: 0 type: X\n" +
" Local variable type table:\n" +
" [pc: 0, pc: 18] local: this index: 0 type: X<E>\n";
File f = new File(OUTPUT_DIR + File.separator + "X.class");
byte[] classFileBytes = org.eclipse.jdt.internal.compiler.util.Util.getFileByteContent(f);
ClassFileBytesDisassembler disassembler = ToolFactory.createDefaultClassFileBytesDisassembler();
String result = disassembler.disassemble(classFileBytes, "\n", ClassFileBytesDisassembler.DETAILED);
int index = result.indexOf(expectedOutput);
if (index == -1 || expectedOutput.length() == 0) {
System.out.println(Util.displayString(result, 3));
}
if (index == -1) {
assertEquals("Wrong contents", expectedOutput, result);
}
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=85303 - variation
public void test0504() throws Exception {
this.runConformTest(
new String[] {
"X.java",
"class XA {}\n" +
"interface XB {\n" +
" XB CONST = new XB(){ public String toString() { return \"SUCCESS\"; }};\n" +
"}\n" +
"class XAB extends XA implements XB {}\n" +
"\n" +
"public class X <E extends XA&XB> {\n" +
" E e() { return null; }\n" +
" public static void main(String[] args) {\n" +
" System.out.print(new X<XAB>().e().CONST);\n" +
" new X<XAB>().foo();\n" +
" }\n" +
" public void foo() {\n" +
" System.out.print(this.e().CONST);\n" +
" }\n" +
"}\n",
},
"SUCCESSSUCCESS");
String expectedOutput =
"// Signature: <E:LXA;:LXB;>Ljava/lang/Object;\n" +
"public class X {\n" +
" \n" +
" // Method descriptor #6 ()V\n" +
" // Stack: 1, Locals: 1\n" +
" public X();\n" +
" 0 aload_0 [this]\n" +
" 1 invokespecial java.lang.Object() [8]\n" +
" 4 return\n" +
" Line numbers:\n" +
" [pc: 0, line: 7]\n" +
" Local variable table:\n" +
" [pc: 0, pc: 5] local: this index: 0 type: X\n" +
" Local variable type table:\n" +
" [pc: 0, pc: 5] local: this index: 0 type: X<E>\n" +
" \n" +
" // Method descriptor #17 ()LXA;\n" +
" // Signature: ()TE;\n" +
" // Stack: 1, Locals: 1\n" +
" XA e();\n" +
" 0 aconst_null\n" +
" 1 areturn\n" +
" Line numbers:\n" +
" [pc: 0, line: 8]\n" +
" Local variable table:\n" +
" [pc: 0, pc: 2] local: this index: 0 type: X\n" +
" Local variable type table:\n" +
" [pc: 0, pc: 2] local: this index: 0 type: X<E>\n" +
" \n" +
" // Method descriptor #21 ([Ljava/lang/String;)V\n" +
" // Stack: 3, Locals: 1\n" +
" public static void main(java.lang.String[] args);\n" +
" 0 getstatic java.lang.System.out : java.io.PrintStream [22]\n" +
" 3 new X [1]\n" +
" 6 dup\n" +
" 7 invokespecial X() [28]\n" +
" 10 invokevirtual X.e() : XA [29]\n" +
" 13 checkcast XAB [31]\n" +
" 16 pop\n" +
" 17 getstatic XAB.CONST : XB [33]\n" +
" 20 invokevirtual java.io.PrintStream.print(java.lang.Object) : void [37]\n" +
" 23 new X [1]\n" +
" 26 dup\n" +
" 27 invokespecial X() [28]\n" +
" 30 invokevirtual X.foo() : void [43]\n" +
" 33 return\n" +
" Line numbers:\n" +
" [pc: 0, line: 10]\n" +
" [pc: 23, line: 11]\n" +
" [pc: 33, line: 12]\n" +
" Local variable table:\n" +
" [pc: 0, pc: 34] local: args index: 0 type: java.lang.String[]\n" +
" \n" +
" // Method descriptor #6 ()V\n" +
" // Stack: 2, Locals: 1\n" +
" public void foo();\n" +
" 0 getstatic java.lang.System.out : java.io.PrintStream [22]\n" +
" 3 aload_0 [this]\n" +
" 4 invokevirtual X.e() : XA [29]\n" +
" 7 checkcast XB [48]\n" +
" 10 pop\n" +
" 11 getstatic XB.CONST : XB [50]\n" +
" 14 invokevirtual java.io.PrintStream.print(java.lang.Object) : void [37]\n" +
" 17 return\n" +
" Line numbers:\n" +
" [pc: 0, line: 14]\n" +
" [pc: 17, line: 15]\n" +
" Local variable table:\n" +
" [pc: 0, pc: 18] local: this index: 0 type: X\n" +
" Local variable type table:\n" +
" [pc: 0, pc: 18] local: this index: 0 type: X<E>\n";
File f = new File(OUTPUT_DIR + File.separator + "X.class");
byte[] classFileBytes = org.eclipse.jdt.internal.compiler.util.Util.getFileByteContent(f);
ClassFileBytesDisassembler disassembler = ToolFactory.createDefaultClassFileBytesDisassembler();
String result = disassembler.disassemble(classFileBytes, "\n", ClassFileBytesDisassembler.DETAILED);
int index = result.indexOf(expectedOutput);
if (index == -1 || expectedOutput.length() == 0) {
System.out.println(Util.displayString(result, 3));
}
if (index == -1) {
assertEquals("Wrong contents", expectedOutput, result);
}
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=85303 - variation
public void test0505() throws Exception {
this.runConformTest(
new String[] {
"X.java",
"class XA {}\n" +
"interface XB {\n" +
" XB CONST = new XB(){ public String toString() { return \"SUCCESS\"; }};\n" +
"}\n" +
"class XAB extends XA implements XB {}\n" +
"\n" +
"public class X <E extends XA&XB> {\n" +
" E e;\n" +
" public static void main(String[] args) {\n" +
" new X<XAB>().foo();\n" +
" }\n" +
" public void foo() {\n" +
" new Object() {\n" +
" void run() {\n" +
" System.out.print(e.CONST);\n" +
" }\n" +
" }.run();\n" +
" System.out.print(e.CONST);\n" +
" }\n" +
"}\n",
},
"SUCCESSSUCCESS");
String expectedOutput =
"// Signature: <E:LXA;:LXB;>Ljava/lang/Object;\n" +
"public class X {\n" +
" \n" +
" // Field descriptor #6 LXA;\n" +
" // Signature: TE;\n" +
" XA e;\n" +
" \n" +
" // Method descriptor #10 ()V\n" +
" // Stack: 1, Locals: 1\n" +
" public X();\n" +
" 0 aload_0 [this]\n" +
" 1 invokespecial java.lang.Object() [12]\n" +
" 4 return\n" +
" Line numbers:\n" +
" [pc: 0, line: 7]\n" +
" Local variable table:\n" +
" [pc: 0, pc: 5] local: this index: 0 type: X\n" +
" Local variable type table:\n" +
" [pc: 0, pc: 5] local: this index: 0 type: X<E>\n" +
" \n" +
" // Method descriptor #21 ([Ljava/lang/String;)V\n" +
" // Stack: 2, Locals: 1\n" +
" public static void main(java.lang.String[] args);\n" +
" 0 new X [1]\n" +
" 3 dup\n" +
" 4 invokespecial X() [22]\n" +
" 7 invokevirtual X.foo() : void [23]\n" +
" 10 return\n" +
" Line numbers:\n" +
" [pc: 0, line: 10]\n" +
" [pc: 10, line: 11]\n" +
" Local variable table:\n" +
" [pc: 0, pc: 11] local: args index: 0 type: java.lang.String[]\n" +
" \n" +
" // Method descriptor #10 ()V\n" +
" // Stack: 3, Locals: 1\n" +
" public void foo();\n" +
" 0 new X$1 [28]\n" +
" 3 dup\n" +
" 4 aload_0 [this]\n" +
" 5 invokespecial X$1(X) [30]\n" +
" 8 invokevirtual X$1.run() : void [33]\n" +
" 11 getstatic java.lang.System.out : java.io.PrintStream [36]\n" +
" 14 aload_0 [this]\n" +
" 15 getfield X.e : XA [42]\n" +
" 18 checkcast XB [44]\n" +
" 21 pop\n" +
" 22 getstatic XB.CONST : XB [46]\n" +
" 25 invokevirtual java.io.PrintStream.print(java.lang.Object) : void [50]\n" +
" 28 return\n" +
" Line numbers:\n" +
" [pc: 0, line: 13]\n" +
" [pc: 8, line: 17]\n" +
" [pc: 11, line: 18]\n" +
" [pc: 28, line: 19]\n" +
" Local variable table:\n" +
" [pc: 0, pc: 29] local: this index: 0 type: X\n" +
" Local variable type table:\n" +
" [pc: 0, pc: 29] local: this index: 0 type: X<E>\n";
File f = new File(OUTPUT_DIR + File.separator + "X.class");
byte[] classFileBytes = org.eclipse.jdt.internal.compiler.util.Util.getFileByteContent(f);
ClassFileBytesDisassembler disassembler = ToolFactory.createDefaultClassFileBytesDisassembler();
String result = disassembler.disassemble(classFileBytes, "\n", ClassFileBytesDisassembler.DETAILED);
int index = result.indexOf(expectedOutput);
if (index == -1 || expectedOutput.length() == 0) {
System.out.println(Util.displayString(result, 3));
}
if (index == -1) {
assertEquals("Wrong contents", expectedOutput, result);
}
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=85477
public void test0506() {
this.runNegativeTest(
new String[] {
"X.java",//====================================
"import java.util.Collections;\n" +
"import java.util.Comparator;\n" +
"import java.util.List;\n" +
"\n" +
"public final class X<E> {\n" +
" public void test(List list,final Comparator comparator, X x) {\n" +
" foo(list, comparator);\n" +
" bar(list, comparator);\n" +
" \n" +
" x.foo(list, comparator);\n" +
" x.bar(list, comparator);\n" +
" }\n" +
"\n" +
" <T> void foo(List<T> lt, Comparator<? super T> ct) {\n" +
" }\n" +
" static <T> void bar(List<T> lt, Comparator<? super T> ct) {\n" +
" }\n" +
" Zork z;\n" +
"}\n"
},
"----------\n" +
"1. WARNING in X.java (at line 6)\n" +
" public void test(List list,final Comparator comparator, X x) {\n" +
" ^^^^\n" +
"List is a raw type. References to generic type List<E> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 6)\n" +
" public void test(List list,final Comparator comparator, X x) {\n" +
" ^^^^^^^^^^\n" +
"Comparator is a raw type. References to generic type Comparator<T> should be parameterized\n" +
"----------\n" +
"3. WARNING in X.java (at line 6)\n" +
" public void test(List list,final Comparator comparator, X x) {\n" +
" ^\n" +
"X is a raw type. References to generic type X<E> should be parameterized\n" +
"----------\n" +
"4. WARNING in X.java (at line 7)\n" +
" foo(list, comparator);\n" +
" ^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked invocation foo(List, Comparator) of the generic method foo(List<T>, Comparator<? super T>) of type X<E>\n" +
"----------\n" +
"5. WARNING in X.java (at line 7)\n" +
" foo(list, comparator);\n" +
" ^^^^\n" +
"Type safety: The expression of type List needs unchecked conversion to conform to List<Object>\n" +
"----------\n" +
"6. WARNING in X.java (at line 7)\n" +
" foo(list, comparator);\n" +
" ^^^^^^^^^^\n" +
"Type safety: The expression of type Comparator needs unchecked conversion to conform to Comparator<? super Object>\n" +
"----------\n" +
"7. WARNING in X.java (at line 8)\n" +
" bar(list, comparator);\n" +
" ^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked invocation bar(List, Comparator) of the generic method bar(List<T>, Comparator<? super T>) of type X<E>\n" +
"----------\n" +
"8. WARNING in X.java (at line 8)\n" +
" bar(list, comparator);\n" +
" ^^^^\n" +
"Type safety: The expression of type List needs unchecked conversion to conform to List<Object>\n" +
"----------\n" +
"9. WARNING in X.java (at line 8)\n" +
" bar(list, comparator);\n" +
" ^^^^^^^^^^\n" +
"Type safety: The expression of type Comparator needs unchecked conversion to conform to Comparator<? super Object>\n" +
"----------\n" +
"10. WARNING in X.java (at line 10)\n" +
" x.foo(list, comparator);\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: The method foo(List, Comparator) belongs to the raw type X. References to generic type X<E> should be parameterized\n" +
"----------\n" +
"11. WARNING in X.java (at line 11)\n" +
" x.bar(list, comparator);\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^\n" +
"The static method bar(List<Object>, Comparator<? super Object>) from the type X should be accessed in a static way\n" +
"----------\n" +
"12. WARNING in X.java (at line 11)\n" +
" x.bar(list, comparator);\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked invocation bar(List, Comparator) of the generic method bar(List<T>, Comparator<? super T>) of type X\n" +
"----------\n" +
"13. WARNING in X.java (at line 11)\n" +
" x.bar(list, comparator);\n" +
" ^^^^\n" +
"Type safety: The expression of type List needs unchecked conversion to conform to List<Object>\n" +
"----------\n" +
"14. WARNING in X.java (at line 11)\n" +
" x.bar(list, comparator);\n" +
" ^^^^^^^^^^\n" +
"Type safety: The expression of type Comparator needs unchecked conversion to conform to Comparator<? super Object>\n" +
"----------\n" +
"15. ERROR in X.java (at line 18)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
// array bound for wildcard
public void test0507() {
this.runConformTest(
new String[] {
"X.java",//====================================
"import java.io.Serializable;\n" +
"import java.util.List;\n" +
"\n" +
"public class X {\n" +
" void foo1(List<? extends int[]> l) {\n" +
" int i = l.get(0).length;\n" +
" }\n" +
" void foo2(List<? extends int[]> l) {\n" +
" Object o = l.get(0).toString();\n" +
" }\n" +
" void foo3(List<? extends int[]> l, Serializable s) {\n" +
" boolean b = true;\n" +
" Serializable s2 = b ? l.get(0) : s;\n" +
" }\n" +
"}\n"
},
"");
}
// array bound for wildcard
public void test0508() {
this.runNegativeTest(
new String[] {
"X.java",//====================================
"import java.io.Serializable;\n" +
"import java.util.List;\n" +
"\n" +
"public class X {\n" +
" void foo1(List<? super int[]> l) {\n" +
" int i = l.get(0).length;\n" +
" }\n" +
" void foo2(List<? super int[]> l) {\n" +
" Object o = l.get(0).toString();\n" +
" }\n" +
" void foo3(List<? super int[]> l, Serializable s) {\n" +
" boolean b = true;\n" +
" Serializable s2 = b ? l.get(0) : s;\n" +
" }\n" +
"}\n"
},
this.complianceLevel < ClassFileConstants.JDK1_8 ?
"----------\n" +
"1. ERROR in X.java (at line 6)\n" +
" int i = l.get(0).length;\n" +
" ^^^^^^\n" +
"length cannot be resolved or is not a field\n" +
"----------\n" +
"2. ERROR in X.java (at line 13)\n" +
" Serializable s2 = b ? l.get(0) : s;\n" +
" ^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Object to Serializable\n" +
"----------\n" :
"----------\n" +
"1. ERROR in X.java (at line 6)\n" +
" int i = l.get(0).length;\n" +
" ^^^^^^\n" +
"length cannot be resolved or is not a field\n" +
"----------\n" +
"2. ERROR in X.java (at line 13)\n" +
" Serializable s2 = b ? l.get(0) : s;\n" +
" ^^^^^^^^\n" +
"Type mismatch: cannot convert from capture#3-of ? super int[] to Serializable\n" +
"----------\n");
}
// type parameter hiding
public void test0509() {
this.runNegativeTest(
new String[] {
"X.java",//====================================
"import java.util.*;\n" +
"public class X {\n" +
" public static void main(String[] args) {\n" +
" List<MyTigerSimpleObject> list = new ArrayList<MyTigerSimpleObject>();\n" +
" list.add(new MyTigerSimpleObject(\"a\"));\n" +
" list.add(new MyTigerSimpleObject(\"b\"));\n" +
" \n" +
" for (MyTigerSimpleObject so : list)\n" +
" System.out.println(so.getSomeAttribute()); \n" +
" }\n" +
"}\n" +
"class MyTigerSimpleObject<E> {\n" +
" MyTigerSimpleObject(String s) {}\n" +
" E getSomeAttribute() { return null; }\n" +
"}\n" +
"\n" +
"class TigerList<MyTigerSimpleObject> extends ArrayList<MyTigerSimpleObject> {\n" +
" public void listAll() {\n" +
" for (MyTigerSimpleObject so : this)\n" +
" System.out.println(so.getSomeAttribute());\n" +
" }\n" +
" \n" +
"}\n"
},
"----------\n" +
"1. WARNING in X.java (at line 4)\n" +
" List<MyTigerSimpleObject> list = new ArrayList<MyTigerSimpleObject>();\n" +
" ^^^^^^^^^^^^^^^^^^^\n" +
"MyTigerSimpleObject is a raw type. References to generic type MyTigerSimpleObject<E> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 4)\n" +
" List<MyTigerSimpleObject> list = new ArrayList<MyTigerSimpleObject>();\n" +
" ^^^^^^^^^^^^^^^^^^^\n" +
"MyTigerSimpleObject is a raw type. References to generic type MyTigerSimpleObject<E> should be parameterized\n" +
"----------\n" +
"3. WARNING in X.java (at line 5)\n" +
" list.add(new MyTigerSimpleObject(\"a\"));\n" +
" ^^^^^^^^^^^^^^^^^^^\n" +
"MyTigerSimpleObject is a raw type. References to generic type MyTigerSimpleObject<E> should be parameterized\n" +
"----------\n" +
"4. WARNING in X.java (at line 6)\n" +
" list.add(new MyTigerSimpleObject(\"b\"));\n" +
" ^^^^^^^^^^^^^^^^^^^\n" +
"MyTigerSimpleObject is a raw type. References to generic type MyTigerSimpleObject<E> should be parameterized\n" +
"----------\n" +
"5. WARNING in X.java (at line 8)\n" +
" for (MyTigerSimpleObject so : list)\n" +
" ^^^^^^^^^^^^^^^^^^^\n" +
"MyTigerSimpleObject is a raw type. References to generic type MyTigerSimpleObject<E> should be parameterized\n" +
"----------\n" +
"6. WARNING in X.java (at line 17)\n" +
" class TigerList<MyTigerSimpleObject> extends ArrayList<MyTigerSimpleObject> {\n" +
" ^^^^^^^^^\n" +
"The serializable class TigerList does not declare a static final serialVersionUID field of type long\n" +
"----------\n" +
"7. WARNING in X.java (at line 17)\n" +
" class TigerList<MyTigerSimpleObject> extends ArrayList<MyTigerSimpleObject> {\n" +
" ^^^^^^^^^^^^^^^^^^^\n" +
"The type parameter MyTigerSimpleObject is hiding the type MyTigerSimpleObject<E>\n" +
"----------\n" +
"8. ERROR in X.java (at line 20)\n" +
" System.out.println(so.getSomeAttribute());\n" +
" ^^^^^^^^^^^^^^^^\n" +
"The method getSomeAttribute() is undefined for the type MyTigerSimpleObject\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=84355
public void test0510() {
this.runConformTest(
new String[] {
"X.java",//====================================
"import java.io.Serializable;\n" +
"\n" +
"public class X {\n" +
" public X() {\n" +
" String[] strings = new String[]{\"test\"};\n" +
"\n" +
" // this fails\n" +
" Object obj = ClassB.doSomething((String) strings[0]);\n" +
"\n" +
" // this works fine\n" +
" String intermediate = ClassB.doSomething((String) strings[0]);\n" +
" Object obj1 = intermediate;\n" +
" }\n" +
"}\n" +
"\n" +
"class ClassB {\n" +
" public static <T extends Serializable> T doSomething(String value) {\n" +
" return (T) value;\n" +
" }\n" +
"}\n"
},
"");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=82407
public void test0511() {
this.runConformTest(
new String[] {
"X.java",//====================================
"import java.util.HashMap;\n" +
"\n" +
"public class X {\n" +
"\n" +
" static HashMap<Character, Character> substitutionList(String s1, String s2) {\n" +
"\n" +
" HashMap<Character, Character> subst = new HashMap<Character, Character>();\n" +
"\n" +
" for (int i = 0; i < s1.length(); i++) {\n" +
" char key = s1.charAt(i);\n" +
" char value = s2.charAt(i);\n" +
" if (subst.containsKey(key)) {\n" +
" if (value != subst.get(key)) {\n" +
" return null;\n" +
" }\n" +
" } else if (subst.containsValue(value)) {\n" +
" return null;\n" +
" } else {\n" +
" subst.put(key, value);\n" +
" }\n" +
" }\n" +
"\n" +
" return subst;\n" +
" }\n" +
"\n" +
" public static void main(String[] args) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
"}\n"
},
"SUCCESS");
}
public void test0512() {
this.runConformTest(
new String[] {
"X.java",//====================================
"public class X { \n" +
" public static void main(String argv[]) {\n" +
" \n" +
" new X().new M<Exception>(null) {\n" +
" void run() {\n" +
" Exception e = ex;\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
" }.run();\n" +
" }\n" +
" class M<E extends Throwable> {\n" +
" E ex;\n" +
" M(E ex) {\n" +
" this.ex = ex;\n" +
" }\n" +
" }\n" +
"}\n"
},
"SUCCESS");
}
public void test0513() {
this.runNegativeTest(
new String[] {
"X.java",//====================================
"public class X { \n" +
" public static void main(String argv[]) {\n" +
" \n" +
" new X().new M(null) {\n" +
" void run() {\n" +
" Exception e = ex;\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
" }.run();\n" +
" }\n" +
" class M<E extends Throwable> {\n" +
" E ex;\n" +
" M(E ex) {\n" +
" this.ex = ex;\n" +
" }\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. WARNING in X.java (at line 4)\n" +
" new X().new M(null) {\n" +
" void run() {\n" +
" Exception e = ex;\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
" }.run();\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: The constructor X.M(Throwable) belongs to the raw type X.M. References to generic type X.M<E> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 4)\n" +
" new X().new M(null) {\n" +
" ^\n" +
"X.M is a raw type. References to generic type X.M<E> should be parameterized\n" +
"----------\n" +
"3. WARNING in X.java (at line 4)\n" +
" new X().new M(null) {\n" +
" ^^^^^^^\n" +
"Type safety: The constructor X.M(Throwable) belongs to the raw type X.M. References to generic type X.M<E> should be parameterized\n" +
"----------\n" +
"4. ERROR in X.java (at line 6)\n" +
" Exception e = ex;\n" +
" ^^\n" +
"Type mismatch: cannot convert from Throwable to Exception\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=82955
public void test0514(){
runConformTest(
new String[] {
"Test.java",
"public class Test {\n" +
" static <T extends Base> T infer( T t1, T t2 ) { return null; }\n" +
" public static void main( String [] args ) {\n" +
" Base base = infer( new Sub1(), new Sub2() );\n" +
" // Note: Eclipse 3.1 says this is an error, but it\'s not\n" +
" Runnable runnable = infer( new Sub1(), new Sub2() );\n" +
" }\n" +
"}\n" +
"class Base { }\n" +
"class Sub1 extends Base implements Runnable { public void run() { } }\n" +
"class Sub2 extends Base implements Runnable { public void run() { } }\n"
}
);
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=84348
public void test0515(){
runConformTest(
new String[] {
"Test.java",
"public class Test {\n" +
" public static <T> void myMethod(final List<? extends File> fileList) {\n" +
" Collections.sort(fileList, new Comparator<File>(){\n" +
" public int compare(File f1, File f2) { return 0; }\n" +
" });\n" +
" }\n" +
"}\n" +
"\n" +
"class List<T> {}\n" +
"class File {}\n" +
"interface Comparator<T> {}\n" +
"class Collections {\n" +
" static <T> void sort(List<T> list, Comparator<? super T> c) {}\n" +
"}"
}
);
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=84944
public void test0516(){
runConformTest(
new String[] {
"parser/AbstractParser.java",
"package parser;\n" +
"public abstract class AbstractParser<T> implements ValueParser<T> {\n" +
" public T parse( final String string ) {\n" +
" return valueOf(string); \n" +
" }\n" +
" protected abstract T valueOf(final String string); \n" +
"}\n" +
"interface ValueParser<T> {\n" +
" T parse(final String string);\n" +
"}\n",
"parser/BooleanParser.java",
"package parser;\n" +
"public class BooleanParser extends AbstractParser<Boolean> {\n" +
" protected Boolean valueOf(final String string ) {\n" +
" return Boolean.valueOf(string); \n" +
" }\n" +
"}\n"
}
);
runConformTest(
new String[] {
"test/BooleanParserTest.java",
"package test;\n" +
"import parser.BooleanParser;\n" +
"public class BooleanParserTest {\n" +
" static final boolean getBoolean(final String value) {\n" +
" return new BooleanParser().parse(value).booleanValue(); // The type Boolean is not visible\n" +
" }\n" +
"}\n"
},
null,
null,
false, // do not flush output directory
null
);
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=84944 - check no warning for using raw member
public void test0517(){
runNegativeTest(
new String[] {
"X.java",
"class Base<T> {\n" +
" class InnerBase {\n" +
" java.util.List<String> list;\n" +
" }\n" +
" Zork z;\n" +
"}\n" +
"\n" +
"public class X extends Base<Integer> {\n" +
" class InnerDerived extends InnerBase {\n" +
" void method() {\n" +
" list.add(\"Hi\"); // Warning on this method call\n" +
" }\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 5)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=85930 - check no warning for using raw member
public void test0518(){
runNegativeTest(
new String[] {
"X.java",
"interface Callable<T> {\n" +
" public enum Result {\n" +
" GOOD, BAD\n" +
" };\n" +
" public Result call(T arg);\n" +
"}\n" +
"\n" +
"public class X implements Callable<String> {\n" +
" public Result call(String arg) {\n" +
" return Result.GOOD;\n" +
" }\n" +
" Zork z;\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 12)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=85262
public void test0519(){
runConformTest(
new String[] {
"FooImpl.java",
"interface Bar<R extends Foo<R>> {} \n" +
" \n" +
"class BarImpl<S extends Foo<S>> implements Bar<S> {} \n" +
" \n" +
"interface Foo<T extends Foo<T>> extends Bar<T> {} \n" +
" \n" +
"public class FooImpl<U extends Foo<U>> extends BarImpl<U> implements Foo<U> {}\n" +
"\n"
},
"");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=85262 - variation
public void test0520(){
runConformTest(
new String[] {
"Bar.java",
"public interface Bar<R extends Foo<R>> {} \n",
"BarImpl.java",
"public class BarImpl<S extends Foo<S>> implements Bar<S> {} \n",
"Foo.java",
"public interface Foo<T extends Foo<T>> extends Bar<T> {} \n",
},
"");
runConformTest(
new String[] {
"FooImpl.java",
"public class FooImpl<U extends Foo<U>> extends BarImpl<U> implements Foo<U> {}\n",
},
"",
null,
false, // do not flush output directory
null);
}
public void test0521(){
runConformTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"\n" +
"public class X {\n" +
" static public <T extends Collection> void addAll(T a, T b) {\n" +
" a.addAll(b);\n" +
" }\n" +
" static public void main(String[] args) {\n" +
" Collection<Integer> a = new ArrayList<Integer>();\n" +
" Collection<String> b = new ArrayList<String>();\n" +
" b.add(\"string\");\n" +
" addAll(a, b);\n" +
" try {\n" +
" System.out.println(a.iterator().next().intValue()); // ClassCastException\n" +
" } catch(ClassCastException e) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
" }\n" +
"}\n"
},
"SUCCESS");
}
// variation on test0521, check issuing of unchecked warning **
public void test0522(){
runNegativeTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"\n" +
"public class X {\n" +
" static public <T extends Collection> void addAll(T a, T b) {\n" +
" a.addAll(b);\n" +
" }\n" +
" static public void main(String[] args) {\n" +
" Collection<Integer> a = new ArrayList<Integer>();\n" +
" Collection<String> b = new ArrayList<String>();\n" +
" b.add(\"string\");\n" +
" addAll(a, b);\n" +
" try {\n" +
" System.out.println(a.iterator().next().intValue()); // ClassCastException\n" +
" } catch(ClassCastException e) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
" }\n" +
" Zork z;\n" +
"}\n"
},
"----------\n" +
"1. WARNING in X.java (at line 4)\n" +
" static public <T extends Collection> void addAll(T a, T b) {\n" +
" ^^^^^^^^^^\n" +
"Collection is a raw type. References to generic type Collection<E> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 5)\n" +
" a.addAll(b);\n" +
" ^^^^^^^^^^^\n" +
"Type safety: The method addAll(Collection) belongs to the raw type Collection. References to generic type Collection<E> should be parameterized\n" +
"----------\n" +
"3. ERROR in X.java (at line 18)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
public void test0523(){
runNegativeTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"public class X {\n" +
" public X() {\n" +
" M m = new M();\n" +
" List<String> ls = m.list(); // rawified even though wasn\'t using T parameter\n" +
" }\n" +
" Zork z;\n" +
" static class M<T> {\n" +
" List<String> list() {\n" +
" return null;\n" +
" }\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. WARNING in X.java (at line 4)\n" +
" M m = new M();\n" +
" ^\n" +
"X.M is a raw type. References to generic type X.M<T> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 4)\n" +
" M m = new M();\n" +
" ^\n" +
"X.M is a raw type. References to generic type X.M<T> should be parameterized\n" +
"----------\n" +
"3. WARNING in X.java (at line 5)\n" +
" List<String> ls = m.list(); // rawified even though wasn\'t using T parameter\n" +
" ^^^^^^^^\n" +
"Type safety: The expression of type List needs unchecked conversion to conform to List<String>\n" +
"----------\n" +
"4. ERROR in X.java (at line 7)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
// ensure there is no unchecked warning **
public void test0524(){
runNegativeTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"class MyList extends ArrayList<String> {\n" +
"}\n" +
"\n" +
"public class X {\n" +
" public static void main(String[] args) {\n" +
" List<? extends String> a = new MyList();\n" +
" List<String> b = (MyList) a; \n" +
" }\n" +
" Zork z;\n" +
"}\n"
},
"----------\n" +
"1. WARNING in X.java (at line 2)\n" +
" class MyList extends ArrayList<String> {\n" +
" ^^^^^^\n" +
"The serializable class MyList does not declare a static final serialVersionUID field of type long\n" +
"----------\n" +
"2. ERROR in X.java (at line 10)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
public void test0525(){
runConformTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"\n" +
"public class X {\n" +
" public static void main(String[] args) {\n" +
" try {\n" +
" List list = new ArrayList();\n" +
" String s = \"this shouldn\'t work\";\n" +
" list.add(s);\n" +
" List<Integer> listInt = list;\n" +
" int i = listInt.get(0);\n" +
" } catch(ClassCastException e) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
" }\n" +
"}\n"
},
"SUCCESS");
}
public void test0526(){
runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" Zork z;\n" +
" <T> T f(Object o) {\n" +
" return (T) o; // OK\n" +
" }\n" +
"\n" +
" <U, T extends U> T g(Object o) {\n" +
" return (T) o; // bug???\n" +
" }\n" +
"\n" +
" <U, T extends U> T h(Object o) {\n" +
" return X.<T>castTo(o); // workaround\n" +
" }\n" +
"\n" +
" private static <T> T castTo(Object o) {\n" +
" return (T) o;\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 2)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n" +
"2. WARNING in X.java (at line 4)\n" +
" return (T) o; // OK\n" +
" ^^^^^\n" +
"Type safety: Unchecked cast from Object to T\n" +
"----------\n" +
"3. WARNING in X.java (at line 8)\n" +
" return (T) o; // bug???\n" +
" ^^^^^\n" +
"Type safety: Unchecked cast from Object to T\n" +
"----------\n" +
"4. WARNING in X.java (at line 16)\n" +
" return (T) o;\n" +
" ^^^^^\n" +
"Type safety: Unchecked cast from Object to T\n" +
"----------\n");
}
// should not produce unchecked errors **
public void test0527(){
runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" <T, U extends T, V extends T> T foo(U u, V v) {\n" +
" return this == null ? (T) u : (T)v;\n" +
" }\n" +
" Zork z;\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 5)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=86217
public void test0528() {
this.runConformTest(
new String[] {
"X.java",
"public class X<T extends X.M> extends Y {}\n" +
"class Y { static class M {} }\n",
},
""
);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=86463
public void test0529() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"public class X<T extends List> {\n" +
" void bar() {\n" +
" T t = new ArrayList(); // BUG!!!\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 2)\n" +
" public class X<T extends List> {\n" +
" ^^^^\n" +
"List is a raw type. References to generic type List<E> should be parameterized\n" +
"----------\n" +
"2. ERROR in X.java (at line 4)\n" +
" T t = new ArrayList(); // BUG!!!\n" +
" ^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from ArrayList to T\n" +
"----------\n" +
"3. WARNING in X.java (at line 4)\n" +
" T t = new ArrayList(); // BUG!!!\n" +
" ^^^^^^^^^\n" +
"ArrayList is a raw type. References to generic type ArrayList<E> should be parameterized\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=86463
public void test0530() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"\n" +
"abstract class Foo<T extends List>\n" +
" {\n" +
" abstract void foo(T t);\n" +
" void foo2()\n" +
" {\n" +
" List l = new LinkedList();\n" +
" foo(l); // BUG!!!\n" +
" }\n" +
"}\n" +
"\n" +
"public class X extends Foo<ArrayList>\n" +
"{\n" +
" void foo(ArrayList l)\n" +
" {\n" +
" System.out.println(l);\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 3)\n" +
" abstract class Foo<T extends List>\n" +
" ^^^^\n" +
"List is a raw type. References to generic type List<E> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 8)\n" +
" List l = new LinkedList();\n" +
" ^^^^\n" +
"List is a raw type. References to generic type List<E> should be parameterized\n" +
"----------\n" +
"3. WARNING in X.java (at line 8)\n" +
" List l = new LinkedList();\n" +
" ^^^^^^^^^^\n" +
"LinkedList is a raw type. References to generic type LinkedList<E> should be parameterized\n" +
"----------\n" +
"4. ERROR in X.java (at line 9)\n" +
" foo(l); // BUG!!!\n" +
" ^^^\n" +
"The method foo(T) in the type Foo<T> is not applicable for the arguments (List)\n" +
"----------\n" +
"5. WARNING in X.java (at line 13)\n" +
" public class X extends Foo<ArrayList>\n" +
" ^^^^^^^^^\n" +
"ArrayList is a raw type. References to generic type ArrayList<E> should be parameterized\n" +
"----------\n" +
"6. WARNING in X.java (at line 15)\n" +
" void foo(ArrayList l)\n" +
" ^^^^^^^^^^^^^^^^\n" +
"The method foo(ArrayList) of type X should be tagged with @Override since it actually overrides a superclass method\n" +
"----------\n" +
"7. WARNING in X.java (at line 15)\n" +
" void foo(ArrayList l)\n" +
" ^^^^^^^^^\n" +
"ArrayList is a raw type. References to generic type ArrayList<E> should be parameterized\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=86646
public void test0531() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.Vector;\n" +
"\n" +
"public class X<T> {\n" +
" public T f1(T l) {\n" +
" Vector<T> v = new Vector<T>();\n" +
" v.add(l);\n" +
" return (T) v.get(0); // Expect warning here\n" +
" }\n" +
" Zork z;\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 7)\n" +
" return (T) v.get(0); // Expect warning here\n" +
" ^^^^^^^^^^^^\n" +
"Unnecessary cast from T to T\n" +
"----------\n" +
"2. ERROR in X.java (at line 9)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=84944
public void test0532() {
this.runConformTest(
new String[] {
"p/X.java",
"package p;\n" +
"public class X extends Z<Boolean> {\n" +
" @Override public Boolean value() { return true; }\n" +
"}\n" +
"abstract class Z<T> {\n" +
" public T foo() { return value(); }\n" +
" public abstract T value();\n" +
"}\n",
},
""
);
this.runConformTest(
new String[] {
"Y.java",
"import p.X;\n" +
"public class Y { boolean test() { return new X().foo().booleanValue(); } }\n",
},
"",
null,
false, // do not flush output
null
);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=86838
public void test0533() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.EnumSet;\n" +
"\n" +
"enum Foo {\n" +
" blargh, baz, boz;\n" +
"}\n" +
"\n" +
"public class X {\n" +
" public static void main(String[] args) {\n" +
" Class c = Foo.class;\n" +
" EnumSet<Enum> eSet = EnumSet.allOf(c);\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 9)\n" +
" Class c = Foo.class;\n" +
" ^^^^^\n" +
"Class is a raw type. References to generic type Class<T> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 10)\n" +
" EnumSet<Enum> eSet = EnumSet.allOf(c);\n" +
" ^^^^\n" +
"Enum is a raw type. References to generic type Enum<E> should be parameterized\n" +
"----------\n" +
"3. ERROR in X.java (at line 10)\n" +
" EnumSet<Enum> eSet = EnumSet.allOf(c);\n" +
" ^^^^\n" +
"Bound mismatch: The type Enum is not a valid substitute for the bounded parameter <E extends Enum<E>> of the type EnumSet<E>\n" +
"----------\n" +
"4. WARNING in X.java (at line 10)\n" +
" EnumSet<Enum> eSet = EnumSet.allOf(c);\n" +
" ^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked invocation allOf(Class) of the generic method allOf(Class<E>) of type EnumSet\n" +
"----------\n" +
"5. WARNING in X.java (at line 10)\n" +
" EnumSet<Enum> eSet = EnumSet.allOf(c);\n" +
" ^^^^^^^^^^^^^^^^\n" +
"Type safety: The expression of type EnumSet needs unchecked conversion to conform to EnumSet<Enum>\n" +
"----------\n" +
"6. WARNING in X.java (at line 10)\n" +
" EnumSet<Enum> eSet = EnumSet.allOf(c);\n" +
" ^\n" +
(this.complianceLevel < ClassFileConstants.JDK1_8
? "Type safety: The expression of type Class needs unchecked conversion to conform to Class<Enum>\n"
: "Type safety: The expression of type Class needs unchecked conversion to conform to Class<Enum<Enum<E>>>\n") +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=86838 - variation
public void test0534() {
this.runConformTest(
new String[] {
"X.java",
"import java.util.EnumSet;\n" +
"\n" +
"enum Foo {\n" +
" blargh, baz, boz;\n" +
"}\n" +
"\n" +
"public class X {\n" +
" public static void main(String[] args) {\n" +
" Class c = Foo.class;\n" +
" EnumSet<Foo> eSet = EnumSet.allOf(c);\n" +
" }\n" +
"}\n",
},
""
);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=86838 - variation
public void test0535() {
this.runConformTest(
new String[] {
"X.java",
"import java.util.EnumSet;\n" +
"\n" +
"enum Foo {\n" +
" blargh, baz, boz;\n" +
"}\n" +
"\n" +
"public class X {\n" +
" public static void main(String[] args) {\n" +
" Class c = Foo.class;\n" +
" EnumSet<? extends Enum> eSet = EnumSet.allOf(c);\n" +
" }\n" +
"}\n",
},
""
);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=86838 - variation
public void test0536() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.EnumSet;\n" +
"\n" +
"enum Foo {\n" +
" blargh, baz, boz;\n" +
"}\n" +
"\n" +
"public class X {\n" +
" public static void main(String[] args) {\n" +
" Class c = Foo.class;\n" +
" EnumSet<?> eSet = (EnumSet<?>) EnumSet.allOf(c);\n" +
" }\n" +
" Zork z;\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 9)\n" +
" Class c = Foo.class;\n" +
" ^^^^^\n" +
"Class is a raw type. References to generic type Class<T> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 10)\n" +
" EnumSet<?> eSet = (EnumSet<?>) EnumSet.allOf(c);\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Unnecessary cast from EnumSet to EnumSet<?>\n" +
"----------\n" +
"3. WARNING in X.java (at line 10)\n" +
" EnumSet<?> eSet = (EnumSet<?>) EnumSet.allOf(c);\n" +
" ^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked invocation allOf(Class) of the generic method allOf(Class<E>) of type EnumSet\n" +
"----------\n" +
"4. WARNING in X.java (at line 10)\n" +
" EnumSet<?> eSet = (EnumSet<?>) EnumSet.allOf(c);\n" +
" ^\n" +
"Type safety: The expression of type Class needs unchecked conversion to conform to Class<Enum<Enum<E>>>\n" +
"----------\n" +
"5. ERROR in X.java (at line 12)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n"
);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=86838 - variation
public void test0537() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.EnumSet;\n" +
"\n" +
"enum Foo {\n" +
" blargh, baz, boz;\n" +
"}\n" +
"\n" +
"public class X {\n" +
" public static void main(String[] args) {\n" +
" Class c = Foo.class;\n" +
" EnumSet<?> eSet = EnumSet.allOf(c);\n" +
" }\n" +
" Zork z;\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 9)\n" +
" Class c = Foo.class;\n" +
" ^^^^^\n" +
"Class is a raw type. References to generic type Class<T> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 10)\n" +
" EnumSet<?> eSet = EnumSet.allOf(c);\n" +
" ^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked invocation allOf(Class) of the generic method allOf(Class<E>) of type EnumSet\n" +
"----------\n" +
"3. WARNING in X.java (at line 10)\n" +
" EnumSet<?> eSet = EnumSet.allOf(c);\n" +
" ^\n" +
"Type safety: The expression of type Class needs unchecked conversion to conform to Class<Enum<Enum<E>>>\n" +
"----------\n" +
"4. ERROR in X.java (at line 12)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=86838 - variation
public void test0538() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.EnumSet;\n" +
"\n" +
"enum Foo {\n" +
" blargh, baz, boz;\n" +
"}\n" +
"\n" +
"public class X {\n" +
" public static void main(String[] args) {\n" +
" Class c = Foo.class;\n" +
" EnumSet<Enum<?>> eSet = EnumSet.allOf(c);\n" +
" }\n" +
"}\n",
},
this.complianceLevel < ClassFileConstants.JDK1_8 ?
"----------\n" +
"1. WARNING in X.java (at line 9)\n" +
" Class c = Foo.class;\n" +
" ^^^^^\n" +
"Class is a raw type. References to generic type Class<T> should be parameterized\n" +
"----------\n" +
"2. ERROR in X.java (at line 10)\n" +
" EnumSet<Enum<?>> eSet = EnumSet.allOf(c);\n" +
" ^^^^\n" +
"Bound mismatch: The type Enum<?> is not a valid substitute for the bounded parameter <E extends Enum<E>> of the type EnumSet<E>\n" +
"----------\n" +
"3. WARNING in X.java (at line 10)\n" +
" EnumSet<Enum<?>> eSet = EnumSet.allOf(c);\n" +
" ^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked invocation allOf(Class) of the generic method allOf(Class<E>) of type EnumSet\n" +
"----------\n" +
"4. WARNING in X.java (at line 10)\n" +
" EnumSet<Enum<?>> eSet = EnumSet.allOf(c);\n" +
" ^^^^^^^^^^^^^^^^\n" +
"Type safety: The expression of type EnumSet needs unchecked conversion to conform to EnumSet<Enum<?>>\n" +
"----------\n" +
"5. WARNING in X.java (at line 10)\n" +
" EnumSet<Enum<?>> eSet = EnumSet.allOf(c);\n" +
" ^\n" +
"Type safety: The expression of type Class needs unchecked conversion to conform to Class<Enum<?>>\n" +
"----------\n" :
"----------\n" +
"1. WARNING in X.java (at line 9)\n" +
" Class c = Foo.class;\n" +
" ^^^^^\n" +
"Class is a raw type. References to generic type Class<T> should be parameterized\n" +
"----------\n" +
"2. ERROR in X.java (at line 10)\n" +
" EnumSet<Enum<?>> eSet = EnumSet.allOf(c);\n" +
" ^^^^\n" +
"Bound mismatch: The type Enum<?> is not a valid substitute for the bounded parameter <E extends Enum<E>> of the type EnumSet<E>\n" +
"----------\n" +
"3. WARNING in X.java (at line 10)\n" +
" EnumSet<Enum<?>> eSet = EnumSet.allOf(c);\n" +
" ^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked invocation allOf(Class) of the generic method allOf(Class<E>) of type EnumSet\n" +
"----------\n" +
"4. WARNING in X.java (at line 10)\n" +
" EnumSet<Enum<?>> eSet = EnumSet.allOf(c);\n" +
" ^^^^^^^^^^^^^^^^\n" +
"Type safety: The expression of type EnumSet needs unchecked conversion to conform to EnumSet<Enum<?>>\n" +
"----------\n" +
"5. WARNING in X.java (at line 10)\n" +
" EnumSet<Enum<?>> eSet = EnumSet.allOf(c);\n" +
" ^\n" +
"Type safety: The expression of type Class needs unchecked conversion to conform to Class<Enum<Enum<E>>>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=86838 - variation
public void test0539() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" static class B<C> {\n" +
" public <T extends I1> T willBe(Class<T> c) {\n" +
" return (T)null;\n" +
" }\n" +
" }\n" +
" interface I1 {\n" +
" }\n" +
" interface I2 extends I1 {\n" +
" }\n" +
" \n" +
" public static void m1(String[] args) {\n" +
" B b = new B();\n" +
" I2 v = b.willBe(I2.class);\n" +
" }\n" +
" public static void m2(String[] args) {\n" +
" B<Void> b = new B<Void>();\n" +
" I2 v = b.willBe(I2.class);\n" +
" }\n" +
"\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 4)\n" +
" return (T)null;\n" +
" ^^^^^^^\n" +
"Unnecessary cast from null to T\n" +
"----------\n" +
"2. WARNING in X.java (at line 13)\n" +
" B b = new B();\n" +
" ^\n" +
"X.B is a raw type. References to generic type X.B<C> should be parameterized\n" +
"----------\n" +
"3. WARNING in X.java (at line 13)\n" +
" B b = new B();\n" +
" ^\n" +
"X.B is a raw type. References to generic type X.B<C> should be parameterized\n" +
"----------\n" +
"4. WARNING in X.java (at line 14)\n" +
" I2 v = b.willBe(I2.class);\n" +
" ^^^^^^^^^^^^^^^^^^\n" +
"Type safety: The method willBe(Class) belongs to the raw type X.B. References to generic type X.B<C> should be parameterized\n" +
"----------\n" +
"5. ERROR in X.java (at line 14)\n" +
" I2 v = b.willBe(I2.class);\n" +
" ^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from X.I1 to X.I2\n" +
"----------\n");
}
// test paramtype argument compatibility
public void test0540() {
this.runNegativeTest(
new String[] {
"Baz.java",
"import java.util.*;\n" +
"interface Foo<X> {}\n" +
"interface Bar extends Foo {\n" +
"}\n" +
"public class Baz<R,D> {\n" +
" public R visit(Collection<? extends Foo<?>> trees, D d) {\n" +
" return null;\n" +
" }\n" +
" R test(Collection<Bar> c, D d) {\n" +
" return visit(c, d);\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. WARNING in Baz.java (at line 3)\n" +
" interface Bar extends Foo {\n" +
" ^^^\n" +
"Foo is a raw type. References to generic type Foo<X> should be parameterized\n" +
"----------\n" +
"2. ERROR in Baz.java (at line 10)\n" +
" return visit(c, d);\n" +
" ^^^^^\n" +
"The method visit(Collection<? extends Foo<?>>, D) in the type Baz<R,D> is not applicable for the arguments (Collection<Bar>, D)\n" +
"----------\n");
}
public void test0541() {
this.runConformTest(
new String[] {
"X.java",
"import java.util.Map;\n" +
"public class X {\n" +
" public static void main(String[] args) {\n" +
" Map m = null;\n" +
" try {\n" +
" Map m2 = m.getClass().newInstance();\n" +
" } catch(Exception e) {\n" +
" }\n" +
" }\n" +
"}\n",
},
"");
}
public void test0542() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" static <T> boolean isOK(T x) {\n" +
" return isOK(x);\n" +
" }\n" +
"\n" +
" static <T> boolean isStillOK(T x) {\n" +
" return true && isOK(x);\n" +
" }\n" +
"\n" +
" static <T> boolean isNoMoreOK(T x) {\n" +
" return true && isNoMoreOK(x);\n" +
" }\n" +
"\n" +
" static <T> boolean isOKAgain(T x) {\n" +
" boolean res;\n" +
" return true && (res = isOKAgain(x));\n" +
" }\n" +
"}\n",
},
"");
}
public void test0543() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.List;\n" +
"\n" +
"public class X {\n" +
" public static void main(String[] args) {\n" +
" Object obj = null;\n" +
" List<String> ls = (List<String>) obj;\n" +
" }\n" +
" Zork z;\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 6)\n" +
" List<String> ls = (List<String>) obj;\n" +
" ^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from Object to List<String>\n" +
"----------\n" +
"2. ERROR in X.java (at line 8)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
public void test0544() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.Vector;\n" +
"\n" +
"public class X {\n" +
" public static void main(String[] args) {\n" +
" Vector<Integer> a = new Vector<Integer>();\n" +
" Vector b = new Vector();\n" +
" b.add(new Object());\n" +
" a = b;\n" +
" Zork z;\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 6)\n" +
" Vector b = new Vector();\n" +
" ^^^^^^\n" +
"Vector is a raw type. References to generic type Vector<E> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 6)\n" +
" Vector b = new Vector();\n" +
" ^^^^^^\n" +
"Vector is a raw type. References to generic type Vector<E> should be parameterized\n" +
"----------\n" +
"3. WARNING in X.java (at line 7)\n" +
" b.add(new Object());\n" +
" ^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: The method add(Object) belongs to the raw type Vector. References to generic type Vector<E> should be parameterized\n" +
"----------\n" +
"4. WARNING in X.java (at line 8)\n" +
" a = b;\n" +
" ^\n" +
"Type safety: The expression of type Vector needs unchecked conversion to conform to Vector<Integer>\n" +
"----------\n" +
"5. ERROR in X.java (at line 9)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=86898
public void test0545() {
this.runNegativeTest(
new String[] {
"X.java",
"class B extends A<Object> {\n" +
" void m2() {\n" +
" m3((X2) m()); // A<Object>.m() --> X<? extends Object> - cannot cast to X2\n" +
" }\n" +
" void m3(X2 i) {}\n" +
"}\n" +
"class A<T> {\n" +
" X<? extends T> m() {\n" +
" return null;\n" +
" }\n" +
"}\n" +
"\n" +
"class X2 extends X<String> {\n" +
"}\n" +
"\n" +
"public class X<T> {\n" +
" void foo(X<String> lhs, X<? extends Object> rhs) {\n" +
" lhs = rhs; // cannot convert\n" +
" }\n" +
" void bar(X2 lhs, X<? extends Object> rhs) {\n" +
" lhs = rhs; // cannot convert\n" +
" }\n" +
"}\n" +
"class C {\n" +
" void foo(X<? extends Object> xo) {}\n" +
" void bar(X<String> xs) {}\n" +
"}\n" +
"class D extends C {\n" +
" void foo(X<String> xs) {}\n" +
" void bar(X<? extends Object> xo) {}\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 18)\n" +
" lhs = rhs; // cannot convert\n" +
" ^^^\n" +
"Type mismatch: cannot convert from X<capture#2-of ? extends Object> to X<String>\n" +
"----------\n" +
"2. ERROR in X.java (at line 21)\n" +
" lhs = rhs; // cannot convert\n" +
" ^^^\n" +
"Type mismatch: cannot convert from X<capture#3-of ? extends Object> to X2\n" +
"----------\n" +
"3. ERROR in X.java (at line 29)\n" +
" void foo(X<String> xs) {}\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"Name clash: The method foo(X<String>) of type D has the same erasure as foo(X<? extends Object>) of type C but does not override it\n" +
"----------\n" +
"4. ERROR in X.java (at line 30)\n" +
" void bar(X<? extends Object> xo) {}\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Name clash: The method bar(X<? extends Object>) of type D has the same erasure as bar(X<String>) of type C but does not override it\n" +
"----------\n");
}
// ensure no unsafe cast warning **
public void test0546() {
this.runNegativeTest(
new String[] {
"X.java",
"class StringList extends java.util.LinkedList<String> {\n" +
"}\n" +
"\n" +
"public class X {\n" +
" public static void main(String[] args) {\n" +
" java.util.List<? extends String> a = new StringList();\n" +
" java.util.List<String> b = (StringList) a; // warned but safe.\n" +
" }\n" +
" Zork z;\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 1)\n" +
" class StringList extends java.util.LinkedList<String> {\n" +
" ^^^^^^^^^^\n" +
"The serializable class StringList does not declare a static final serialVersionUID field of type long\n" +
"----------\n" +
"2. ERROR in X.java (at line 9)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
public void test0547() {
runConformTest(
// test directory preparation
new String[] { /* test files */
"X.java",
"import java.util.*;\n" +
"public class X {\n" +
" public <K> TreeMap<K,K> essai(K type) {\n" +
" TreeMap<K,K> treeMap = new TreeMap<K,K>();\n" +
" return treeMap;\n" +
" }\n" +
" public static void main(String args[]) {\n" +
" X x = new X();\n" +
" TreeMap<?,?> treeMap = x.essai(null);\n" +
" }\n" +
"}\n",
},
// javac options
JavacTestOptions.JavacHasABug.JavacBugFixed_6_10 /* javac test options */);
}
public void test0548() {
this.runNegativeTest(
new String[] {
"X.java",
"interface DA<T> {\n" +
"}\n" +
"interface DB<T> extends DA<T> {\n" +
"}\n" +
"interface DC<T> extends DA<Integer> {\n" +
"}\n" +
"\n" +
"public class X {\n" +
" Object o = (DC<?>) (DA<?>) null;\n" +
" Zork z;\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 9)\n" +
" Object o = (DC<?>) (DA<?>) null;\n" +
" ^^^^^^^^^^^^^^^^^^^^\n" +
"Unnecessary cast from DA<capture#1-of ?> to DC<?>\n" +
"----------\n" +
"2. WARNING in X.java (at line 9)\n" +
" Object o = (DC<?>) (DA<?>) null;\n" +
" ^^^^^^^^^^^^\n" +
"Unnecessary cast from null to DA<?>\n" +
"----------\n" +
"3. ERROR in X.java (at line 10)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
// **
public void test0549() {
this.runConformTest(
new String[] {
"X.java",
"public class X<T> {\n" +
" boolean DEBUG = this instanceof Special;\n" +
"\n" +
" public static class Special extends X<String> {\n" +
" }\n" +
"}\n",
},
"");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=148046
public void test0550() {
this.runNegativeTest(
new String[] {
"X.java",
"class A {}\n" +
"class B extends A {}\n" +
"\n" +
"public class X<T> {\n" +
" public <U extends B> void foo(X<? super A> param) {\n" +
" X<U> foo = (X<U>)param;\n" +
" }\n" +
" Zork z;\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 6)\n" +
" X<U> foo = (X<U>)param;\n" +
" ^^^^^^^^^^^\n" +
"Cannot cast from X<capture#1-of ? super A> to X<U>\n" +
"----------\n" +
"2. ERROR in X.java (at line 8)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
// ensure no unchecked warning
public void test0551() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" <T, U extends T, V extends T> T cond1(boolean z, U x1, V x2) {\n" +
" return (z? (T) x1: x2);\n" +
" }\n" +
" Zork z;\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 2)\n" +
" <T, U extends T, V extends T> T cond1(boolean z, U x1, V x2) {\n" +
" ^\n" +
"The parameter z is hiding a field from type X\n" +
"----------\n" +
"2. ERROR in X.java (at line 5)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
public void test0552() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
"\n" +
" Comparable<?> x;\n" +
"\n" +
" void put(Comparable<?> c) {\n" +
" this.x = c;\n" +
" }\n" +
"\n" +
" Comparable<?> get() {\n" +
" return x;\n" +
" }\n" +
"\n" +
" void test() {\n" +
" X ci = new X();\n" +
" ci.put(new Integer(3));\n" +
" Integer i = (Integer) ci.get();\n" +
" }\n" +
"\n" +
"}\n",
},
"");
}
public void test0553() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" public static void main(String args[]) throws Exception {\n" +
" doIt();\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
" public static void doIt() {\n" +
" Holder<Integer> association = new Holder<Integer>(new Integer(0));\n" +
" Integer sizeHolder = (Integer)(association.getValue()); //Cast to Integer is redundant!!!\n" +
" System.out.print(sizeHolder.intValue());\n" +
" }\n" +
" static class Holder<V> {\n" +
" V value;\n" +
" Holder(V value) {\n" +
" this.value = value;\n" +
" }\n" +
" V getValue() {\n" +
" return value;\n" +
" }\n" +
" }\n" +
"}\n" ,
},
"0SUCCESS");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=86898 - variation
public void test0554() {
this.runNegativeTest(
new String[] {
"X.java",
" import java.util.*;\n" +
" public class X<T> {\n" +
" public static void main(String[] args) {\n" +
" X<? extends Object> xo = null;\n" +
" X<String> xs = null;\n" +
" X2 x2 = null;\n" +
" \n" +
" Object o1 = (X<String>) xo;\n" +
" Object o2 = (X<? extends Object>) xs;\n" +
" Object o3 = (X2) xo;\n" +
" Object o4 = (X<? extends Object>) x2;\n" +
" Object o5 = (X3<String>) xo;\n" +
" }\n" +
"}\n" +
"class X2 extends X<String> {\n" +
"}\n" +
"class X3<U> extends X<U> {\n" +
" Zork z;\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 8)\n" +
" Object o1 = (X<String>) xo;\n" +
" ^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from X<capture#1-of ? extends Object> to X<String>\n" +
"----------\n" +
"2. WARNING in X.java (at line 8)\n" +
" Object o1 = (X<String>) xo;\n" +
" ^^^^^^^^^^^^^^\n" +
"Unnecessary cast from X<capture#1-of ? extends Object> to X<String>\n" +
"----------\n" +
"3. WARNING in X.java (at line 9)\n" +
" Object o2 = (X<? extends Object>) xs;\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Unnecessary cast from X<String> to X<? extends Object>\n" +
"----------\n" +
"4. WARNING in X.java (at line 10)\n" +
" Object o3 = (X2) xo;\n" +
" ^^^^^^^\n" +
"Unnecessary cast from X<capture#3-of ? extends Object> to X2\n" +
"----------\n" +
"5. WARNING in X.java (at line 11)\n" +
" Object o4 = (X<? extends Object>) x2;\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Unnecessary cast from X2 to X<? extends Object>\n" +
"----------\n" +
"6. WARNING in X.java (at line 12)\n" +
" Object o5 = (X3<String>) xo;\n" +
" ^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from X<capture#5-of ? extends Object> to X3<String>\n" +
"----------\n" +
"7. WARNING in X.java (at line 12)\n" +
" Object o5 = (X3<String>) xo;\n" +
" ^^^^^^^^^^^^^^^\n" +
"Unnecessary cast from X<capture#5-of ? extends Object> to X3<String>\n" +
"----------\n" +
"8. ERROR in X.java (at line 18)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
public void test0555() {
this.runNegativeTest(
new String[] {
"X.java",
" import java.util.List;\n" +
" public class X<U extends Number> {\n" +
" U u;\n" +
" void foo(X<? extends Number> xn, X<? extends U> xu) {\n" +
" xn = xu;\n" +
" xu = xn;\n" +
" xu.u = xn.u; // ko\n" +
" xn.u = xu.u; // ko\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 6)\n" +
" xu = xn;\n" +
" ^^\n" +
"Type mismatch: cannot convert from X<capture#4-of ? extends Number> to X<? extends U>\n" +
"----------\n" +
"2. ERROR in X.java (at line 7)\n" +
" xu.u = xn.u; // ko\n" +
" ^^^^\n" +
"Type mismatch: cannot convert from capture#6-of ? extends Number to capture#5-of ? extends U\n" +
"----------\n" +
"3. ERROR in X.java (at line 8)\n" +
" xn.u = xu.u; // ko\n" +
" ^^^^\n" +
"Type mismatch: cannot convert from capture#8-of ? extends U to capture#7-of ? extends Number\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=87273
public void test0556() {
this.runConformTest(
new String[] {
"X.java",
"interface Foo {\n" +
" Object get();\n" +
"}\n" +
"\n" +
"interface MyList<F> extends Foo {\n" +
" public F get();\n" +
"}\n" +
"\n" +
"class MyListImpl<G> implements MyList<G> {\n" +
" public G get() {\n" +
" System.out.println(\"SUCCESS\");\n" +
" return null;\n" +
" }\n" +
"}\n" +
"\n" +
"interface StringList extends MyList<String> {\n" +
"}\n" +
"\n" +
"class StringListImpl extends MyListImpl<String> implements StringList {\n" +
"}\n" +
"\n" +
"public class X {\n" +
" public static void main(String[] args) {\n" +
" Foo f = new StringListImpl();\n" +
" f.get();\n" +
" }\n" +
"}\n",
},
"SUCCESS");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=83002
public void test0557() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" static <T extends Exception> void foo(T t) throws T {\n" + // ensure exception is properly encoded (...^ex)
" }\n" +
"}\n",
},
"");
this.runConformTest(
new String[] {
"Y.java",
"import java.io.*;\n" +
"public class Y {\n" +
" void foo() {\n" +
" try {\n" +
" X.foo(new IOException());\n" +
" } catch(IOException e){\n" +
" }\n" +
" }\n" +
"}\n",
},
"",
null,
false,
null);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=83002
public void test0558() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" static <T extends Exception, U extends Exception> void foo(T t, U u) throws T, U {\n" + // ensure exception is properly encoded (...^ex)
" }\n" +
"}\n",
},
"");
this.runConformTest(
new String[] {
"Y.java",
"import java.io.*;\n" +
"public class Y {\n" +
" void foo() {\n" +
" try {\n" +
" X.foo(new IOException(), new ClassNotFoundException());\n" +
" } catch(IOException e){\n" +
" } catch(ClassNotFoundException e){\n" +
" }\n" +
" }\n" +
"}\n",
},
"",
null,
false,
null);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=86902
// **
public void test0559() {
this.runNegativeTest(
new String[] {
"X.java",
"class Cell<T> {\n" +
" T t;\n" +
" public void setT(T t) {\n" +
" this.t= t;\n" +
" }\n" +
" public T getT() {\n" +
" return t;\n" +
" }\n" +
"}\n" +
"\n" +
"public class X {\n" +
" Zork z;\n" +
" public static void main(String[] args) {\n" +
" Cell c= new Cell();\n" +
" c.setT(Boolean.FALSE); // other: warning: [unchecked] unchecked\n" +
" // call to setT(T) as a member of the raw type p.Cell\n" +
" c.t= Boolean.TRUE; // other: warning: [unchecked] unchecked call\n" +
" // to setT(T) as a member of the raw type p.Cell\n" +
" boolean b1= (Boolean) c.getT();\n" +
" boolean b2= (Boolean) c.t;\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 12)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n" +
"2. WARNING in X.java (at line 14)\n" +
" Cell c= new Cell();\n" +
" ^^^^\n" +
"Cell is a raw type. References to generic type Cell<T> should be parameterized\n" +
"----------\n" +
"3. WARNING in X.java (at line 14)\n" +
" Cell c= new Cell();\n" +
" ^^^^\n" +
"Cell is a raw type. References to generic type Cell<T> should be parameterized\n" +
"----------\n" +
"4. WARNING in X.java (at line 15)\n" +
" c.setT(Boolean.FALSE); // other: warning: [unchecked] unchecked\n" +
" ^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: The method setT(Object) belongs to the raw type Cell. References to generic type Cell<T> should be parameterized\n" +
"----------\n" +
"5. WARNING in X.java (at line 17)\n" +
" c.t= Boolean.TRUE; // other: warning: [unchecked] unchecked call\n" +
" ^\n" +
"Type safety: The field t from the raw type Cell is assigned a value of type Boolean. References to generic type Cell<T> should be parameterized\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=85924
public void test0560() {
this.runConformTest(
new String[] {
"X.java",
"interface IController<U extends IView<?>> {\n" +
" public U getView() ;\n" +
"}\n" +
"interface IView<U> {\n" +
"}\n" +
"class MatGroup {\n" +
" public abstract static class View implements IView<String> {\n" +
" public void setTempAppearance() {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
" }\n" +
" \n" +
" public abstract static class Ctrl<U extends View> implements IController<U> {\n" +
" }\n" +
"}\n" +
"public class X {\n" +
" public static void main(String []args) {\n" +
" MatGroup.Ctrl<?>children[] = { \n" +
" new MatGroup.Ctrl<MatGroup.View>(){\n" +
" public MatGroup.View getView() { return new MatGroup.View(){}; } \n" +
" }} ;\n" +
" for(MatGroup.Ctrl<?> glmat: children) {\n" +
" glmat.getView().setTempAppearance() ;\n" +
" }\n" +
" }\n" +
"}\n",
},
"SUCCESS");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=87956
public void test0561() {
// http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6182950
String expectedCompilerLog = (this.complianceLevel == ClassFileConstants.JDK1_6)?
"----------\n" +
"1. WARNING in X.java (at line 2)\n" +
" void foo(A<String> a) {}\n" +
" ^^^^^^^^^^^^^^^^\n" +
"Erasure of method foo(A<String>) is the same as another method in type X\n" +
"----------\n" +
"2. WARNING in X.java (at line 3)\n" +
" Object foo(A<Integer> a) { return null; }\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"Erasure of method foo(A<Integer>) is the same as another method in type X\n" +
"----------\n":
"----------\n" +
"1. ERROR in X.java (at line 2)\n" +
" void foo(A<String> a) {}\n" +
" ^^^^^^^^^^^^^^^^\n" +
"Erasure of method foo(A<String>) is the same as another method in type X\n" +
"----------\n" +
"2. ERROR in X.java (at line 3)\n" +
" Object foo(A<Integer> a) { return null; }\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"Erasure of method foo(A<Integer>) is the same as another method in type X\n" +
"----------\n" +
"3. ERROR in X.java (at line 4)\n" +
" void test(A<Integer> a) { foo(a); }\n" +
" ^^^\n" +
"The method foo(A<String>) in the type X is not applicable for the arguments (A<Integer>)\n" +
"----------\n";
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" void foo(A<String> a) {}\n" +
" Object foo(A<Integer> a) { return null; }\n" +
" void test(A<Integer> a) { foo(a); }\n" +
"}\n" +
"class A<T> {}\n",
},
expectedCompilerLog
);
/* javac 7
X.java:3: name clash: foo(A<Integer>) and foo(A<String>) have the same erasure
Object foo(A<Integer> a) { return null; }
^
X.java:4: method foo in class X cannot be applied to given types
void test(A<Integer> a) { foo(a); }
^
required: A<String>
found: A<Integer>
2 errors
*/
String expectedCompilerLog2 = (this.complianceLevel == ClassFileConstants.JDK1_6)?
"----------\n" +
"1. WARNING in X.java (at line 2)\n" +
" Number foo(A<String> a) { return null; }\n" +
" ^^^^^^^^^^^^^^^^\n" +
"Erasure of method foo(A<String>) is the same as another method in type X\n" +
"----------\n" +
"2. WARNING in X.java (at line 3)\n" +
" Integer foo(A<Integer> a) { return null; }\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"Erasure of method foo(A<Integer>) is the same as another method in type X\n" +
"----------\n":
"----------\n" +
"1. ERROR in X.java (at line 2)\n" +
" Number foo(A<String> a) { return null; }\n" +
" ^^^^^^^^^^^^^^^^\n" +
"Erasure of method foo(A<String>) is the same as another method in type X\n" +
"----------\n" +
"2. ERROR in X.java (at line 3)\n" +
" Integer foo(A<Integer> a) { return null; }\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"Erasure of method foo(A<Integer>) is the same as another method in type X\n" +
"----------\n" +
"3. ERROR in X.java (at line 4)\n" +
" void test(A<Integer> a) { foo(a); }\n" +
" ^^^\n" +
"The method foo(A<String>) in the type X is not applicable for the arguments (A<Integer>)\n" +
"----------\n";
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" Number foo(A<String> a) { return null; }\n" +
" Integer foo(A<Integer> a) { return null; }\n" +
" void test(A<Integer> a) { foo(a); }\n" +
"}\n" +
"class A<T> {}\n",
},
expectedCompilerLog2
/* javac 7
X.java:3: name clash: foo(A<Integer>) and foo(A<String>) have the same erasure
Integer foo(A<Integer> a) { return null; }
^
X.java:4: method foo in class X cannot be applied to given types
void test(A<Integer> a) { foo(a); }
^
required: A<String>
found: A<Integer>
2 errors
*/
);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=87550
public void test0562() {
this.runConformTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"interface Inter<A, B> {}\n" +
"public class X<T, U, V extends X<T, U, V>> extends ArrayList<V> implements Inter<T, U> {\n" +
" public final void foo(U u) {\n" +
" X.bar(this, u);\n" +
" }\n" +
" public static final <P, Q> void bar(Collection<? extends Inter<P, Q>> c, Q q) {}\n" +
"}\n",
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=87550 - variation
public void test0563() {
this.runConformTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"interface Inter<A, B> {}\n" +
"public class X<T, U, V extends X<T, U, V>> extends ArrayList<V> implements Inter<T, U> {\n" +
" public final void foo(U u) {\n" +
" X.bar(this, u);\n" +
" }\n" +
" public static final <P, Q, R> void bar(Collection<R> c, Q q) {}\n" +
"}\n",
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=87550 - variation
// Awaiting clarification on http://mail.openjdk.java.net/pipermail/lambda-spec-experts/2013-November/000428.html
public void test0564() {
this.runConformTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"interface Inter<A, B> {}\n" +
"public class X<T, U, V extends X<T, U, V>> extends ArrayList<V> implements Inter<T, U> {\n" +
" public final void foo(U u) {\n" +
" X.bar(this, u);\n" +
" }\n" +
" public static final <P, Q> void bar(Collection<? extends Inter<P, Q>> c, Q q) {}\n" +
"}\n",
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=87995 - check no warning
public void test0565() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
"interface IFoo<T> {\n" +
" public T get(Class<T> clazz);\n" +
" Zork z;\n" +
"}\n" +
"\n" +
"class Bar implements IFoo<Integer> {\n" +
" public Integer get(Class<Integer> arg0) {\n" +
" return new Integer(3);\n" +
" }\n" +
"}\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
public void test0566() {
String xSource =
"import java.util.*;\n" +
"\n" +
"public class X {\n" +
"\n" +
" void bar2() {\n" +
" List<X1> le = new ArrayList<X1>(5);\n" +
" le = fill(le, new X2());\n" +
" }\n" +
" <T> List<T> fill(List<? super T> lt, T t) { return null; }\n" +
"}\n" +
"class X1 {}\n" +
"class X2 extends X1 {\n" +
" void foo(){}\n" +
"}\n";
if (this.complianceLevel < ClassFileConstants.JDK1_8) {
this.runNegativeTest(
new String[] {
"X.java",
xSource,
},
"----------\n" +
"1. ERROR in X.java (at line 7)\n" +
" le = fill(le, new X2());\n" +
" ^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from List<X2> to List<X1>\n" +
"----------\n");
} else {
runConformTest(new String[]{ "X.java", xSource });
}
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=89454
public void test0567() {
this.runConformTest(
new String[] {
"Thrower.java",
"public interface Thrower<E extends Exception> {\n" +
" public void throwIt() throws E;\n" +
"}\n",
},
"");
this.runConformTest(
new String[] {
"GenericsTest.java",
"public class GenericsTest {\n" +
" public static void main(String[] args) throws MyException {\n" +
" Thrower<MyException> thrower = new Thrower<MyException>() {\n" +
" public void throwIt() throws MyException {\n" +
" throw new MyException();\n" +
" }\n" +
" };\n" +
" try {\n" +
" thrower.throwIt();\n" +
" } catch(Exception e) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
" }\n" +
"}\n" +
"class MyException extends Exception {\n" +
"}\n",
},
"SUCCESS",
null,
false,
null);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=89448
public void test0568() {
this.runConformTest(
new String[] {
"X.java",
"import java.util.ArrayList;\n" +
"import java.util.List;\n" +
"\n" +
"public class X {\n" +
"\n" +
" public static void main(String[] args) {\n" +
"\n" +
" ArrayList<ArrayList<Long>> n = new ArrayList<ArrayList<Long>>();\n" +
" ArrayList<Long> arr = new ArrayList<Long>();\n" +
" arr.add(new Long(5));\n" +
" n.add(arr);\n" +
" \n" +
" List<? extends List<Long>> m = n; // Whoa!\n" +
" \n" +
" for(Long l : m.get(0)) {\n" +
" System.out.println(l);\n" +
" }\n" +
" }\n" +
"\n" +
"}\n",
},
"5");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=89778
public void test0569() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X\n" +
"{\n" +
" protected static <T extends Exception> void foo() throws T, Exce {\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 3)\n" +
" protected static <T extends Exception> void foo() throws T, Exce {\n" +
" ^^^^\n" +
"Exce cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=90147
public void test0570() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T extends Object> {\n" +
" public class InnerClass implements Comparable<T> {\n" +
" public int compareTo(T other) {\n" +
" return -1;\n" +
" }\n" +
" }\n" +
" \n" +
" public void foo() {\n" +
" InnerClass a = new InnerClass();\n" +
" InnerClass b = new InnerClass();\n" +
" // The following line does not compile (anymore):\n" +
" a.compareTo(b);\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 12)\n" +
" a.compareTo(b);\n" +
" ^^^^^^^^^\n" +
"The method compareTo(T) in the type X<T>.InnerClass is not applicable for the arguments (X<T>.InnerClass)\n" +
"----------\n");
}
public void test0571() {
runConformTest(
// test directory preparation
true /* flush output directory */,
new String[] { /* test files */
"X.java",
"interface IFoo {\n" +
" void foo();\n" +
"}\n" +
"class Box<T extends IFoo> {\n" +
" T value() {\n" +
" return null;\n" +
" }\n" +
"}\n" +
"\n" +
"interface IBar {\n" +
" void bar();\n" +
"}\n" +
"\n" +
"public class X {\n" +
" void test01(Box<?> box) {\n" +
" box.value().foo();\n" +
" }\n" +
" void test02(Box<? extends IBar> box) {\n" +
" box.value().foo();\n" +
" box.value().bar();\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
"}\n",
},
// compiler options
null /* no class libraries */,
null /* no custom options */,
// compiler results
null /* do not check compiler log */,
// runtime results
"SUCCESS" /* expected output string */,
null /* do not check error string */,
// javac options
JavacTestOptions.JavacHasABug.JavacBugFixed_6_10 /* javac test options */);
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=90430
// SHOULD FAIL AT 1.8 (18.2.3): The method doWithEnumClass(Class<T>) in the type X is not applicable for the arguments (Class<Enum>)
public void test0572() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" public <T extends Enum<T>> void doWithEnumClass(Class<T> enumClass) {\n" +
" }\n" +
"\n" +
" public void f() {\n" +
" Class<?> cl = null; // Returned by Class.forName(\"xyz\");\n" +
" doWithEnumClass((Class<Enum>) cl);\n" +
" }\n" +
"}\n",
},
"");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=90430 - check unchecked warnings
// SHOULD FAIL AT 1.8 (18.2.3): The method doWithEnumClass(Class<T>) in the type X is not applicable for the arguments (Class<Enum>)
public void test0573() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" public <T extends Enum<T>> void doWithEnumClass(Class<T> enumClass) {\n" +
" Zork z;\n" +
" }\n" +
"\n" +
" public void f() {\n" +
" Class<?> cl = null; // Returned by Class.forName(\"xyz\");\n" +
" doWithEnumClass((Class<Enum>) cl);\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 3)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n" +
"2. WARNING in X.java (at line 8)\n" +
" doWithEnumClass((Class<Enum>) cl);\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked invocation doWithEnumClass(Class<Enum>) of the generic method doWithEnumClass(Class<T>) of type X\n" +
"----------\n" +
"3. WARNING in X.java (at line 8)\n" +
" doWithEnumClass((Class<Enum>) cl);\n" +
" ^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from Class<capture#1-of ?> to Class<Enum>\n" +
"----------\n" +
"4. WARNING in X.java (at line 8)\n" +
" doWithEnumClass((Class<Enum>) cl);\n" +
" ^^^^\n" +
"Enum is a raw type. References to generic type Enum<E> should be parameterized\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=90423 - variation
public void test0574() {
// http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6182950
String expectedCompilerLog = (this.complianceLevel == ClassFileConstants.JDK1_6)?
"----------\n" +
"1. WARNING in X.java (at line 6)\n" +
" <T extends Integer> T foo(Object o) { return null; } // ok\n" +
" ^^^^^^^\n" +
"The type parameter T should not be bounded by the final type Integer. Final types cannot be further extended\n" +
"----------\n" +
"2. WARNING in X.java (at line 6)\n" +
" <T extends Integer> T foo(Object o) { return null; } // ok\n" +
" ^^^^^^^^^^^^^\n" +
"Duplicate method foo(Object) in type X.C2\n" +
"----------\n" +
"3. WARNING in X.java (at line 7)\n" +
" <T extends String> T foo(Object o) { return null; } // ok\n" +
" ^^^^^^\n" +
"The type parameter T should not be bounded by the final type String. Final types cannot be further extended\n" +
"----------\n" +
"4. WARNING in X.java (at line 7)\n" +
" <T extends String> T foo(Object o) { return null; } // ok\n" +
" ^^^^^^^^^^^^^\n" +
"Duplicate method foo(Object) in type X.C2\n" +
"----------\n" +
"5. ERROR in X.java (at line 10)\n" +
" new X().new C2().foo((List<String>) null);\n" +
" ^^^\n" +
"The method foo(Object) is ambiguous for the type X.C2\n" +
"----------\n":
"----------\n" +
"1. WARNING in X.java (at line 6)\n" +
" <T extends Integer> T foo(Object o) { return null; } // ok\n" +
" ^^^^^^^\n" +
"The type parameter T should not be bounded by the final type Integer. Final types cannot be further extended\n" +
"----------\n" +
"2. ERROR in X.java (at line 6)\n" +
" <T extends Integer> T foo(Object o) { return null; } // ok\n" +
" ^^^^^^^^^^^^^\n" +
"Duplicate method foo(Object) in type X.C2\n" +
"----------\n" +
"3. WARNING in X.java (at line 7)\n" +
" <T extends String> T foo(Object o) { return null; } // ok\n" +
" ^^^^^^\n" +
"The type parameter T should not be bounded by the final type String. Final types cannot be further extended\n" +
"----------\n" +
"4. ERROR in X.java (at line 7)\n" +
" <T extends String> T foo(Object o) { return null; } // ok\n" +
" ^^^^^^^^^^^^^\n" +
"Duplicate method foo(Object) in type X.C2\n" +
"----------\n";
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.List;\n" +
"\n" +
"public class X {\n" +
"\n" +
" class C2 {\n" +
" <T extends Integer> T foo(Object o) { return null; } // ok\n" +
" <T extends String> T foo(Object o) { return null; } // ok\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" new X().new C2().foo((List<String>) null);\n" +
" }\n" +
"}\n"
},
expectedCompilerLog
);
/*
X.java:6: name clash: <T#1>foo(Object) and <T#2>foo(Object) have the same erasure
<T extends String> T foo(Object o) { return null; } // ok
^
where T#1,T#2 are type-variables:
T#1 extends String declared in method <T#1>foo(Object)
T#2 extends Integer declared in method <T#2>foo(Object)
1 error
*/
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=84496 - variation with field ref
public void test0575() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" public static void main(String[] args) {\n" +
" Foo<?> f1 = new Foo<Integer>();\n" +
" (f1).bar = (f1).bar;\n" +
" }\n" +
" static class Foo<T> {\n" +
" Bar<T> bar = new Bar<T>();\n" +
" }\n" +
" static class Bar<T> {\n" +
" T t;\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" (f1).bar = (f1).bar;\n" +
" ^^^^^^^^\n" +
"Type mismatch: cannot convert from X.Bar<capture#2-of ?> to X.Bar<capture#1-of ?>\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=84496 - variation with single ref
public void test0576() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" public static void main(String[] args) {\n" +
" Foo<?> f1 = new Foo<Integer>();\n" +
" Foo<?> f2 = new Foo<String>();\n" +
" f1 = f1;\n" +
" f1 = f2;\n" +
" }\n" +
" static class Foo<T> {\n" +
" }\n" +
"}\n"
},
"");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=84496 - variation with qualified name ref
public void test0577() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" public static void main(String[] args) {\n" +
" Foo<?> f1 = new Foo<Integer>();\n" +
" (f1).bar = f1.bar;\n" +
" }\n" +
" static class Foo<T> {\n" +
" Bar<T> bar = new Bar<T>();\n" +
" }\n" +
" static class Bar<T> {\n" +
" T t;\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" (f1).bar = f1.bar;\n" +
" ^^^^^^\n" +
"Type mismatch: cannot convert from X.Bar<capture#2-of ?> to X.Bar<capture#1-of ?>\n" +
"----------\n");
}
// check array bound for wildcard
public void test0578() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" void foo(Box<? extends int[]> box) {\n" +
" int[] ints = box.get();\n" +
" }\n" +
"}\n" +
"class Box<T> {\n" +
" T get() { return null; }\n" +
"}\n"
},
"");
}
// check array bound for wildcard
public void test0579() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" void foo(Box<? super int[]> box) {\n" +
" int[] ints = box.get();\n" +
" }\n" +
"}\n" +
"class Box<T> {\n" +
" T get() { return null; }\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 3)\n" +
" int[] ints = box.get();\n" +
" ^^^^^^^^^\n" +
"Type mismatch: cannot convert from capture#1-of ? super int[] to int[]\n" +
"----------\n");
}
// check array bound for wildcard
public void test0580() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" void foo(Box<?> box) {\n" +
" int[] ints = box.get();\n" +
" }\n" +
"}\n" +
"class Box<T> {\n" +
" T get() { return null; }\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 3)\n" +
" int[] ints = box.get();\n" +
" ^^^^^^^^^\n" +
"Type mismatch: cannot convert from capture#1-of ? to int[]\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=84496 - variation
public void test0581() {
this.runNegativeTest(
new String[] {
"X.java",
"class X {" +
" public static void main(String[] args) {\n" +
" Foo<?> f1 = new Foo<Integer>();\n" +
" f1.bar = f1.bar;\n" +
" }\n" +
" }\n" +
"class Foo<T> {\n" +
" Bar<T> bar = new Bar<T>();\n" +
"}\n" +
"class Bar<T> {\n" +
" T t;\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 3)\n" +
" f1.bar = f1.bar;\n" +
" ^^^^^^\n" +
"Type mismatch: cannot convert from Bar<capture#2-of ?> to Bar<capture#1-of ?>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=84496
public void test0582() {
this.runConformTest(
new String[] {
"X.java",
"import java.util.List;\n" +
"class X {\n" +
" void foo(List<? extends I1> l1) {\n" +
" C1 c1 = (C1)l1.get(0);\n" +
" }\n" +
"}\n" +
"interface I1{}\n" +
"class C1{}\n"
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=91021
public void test0583() {
this.runNegativeTest(
new String[] {
"X.java",
"class D<U> {\n" +
" public D (D<U> anotherD) {\n" +
" }\n" +
"}\n" +
"\n" +
"public class X<S> {\n" +
" public static class C<T> {\n" +
" public C(C<T> anotherC) {\n" +
" }\n" +
" }\n" +
"\n" +
" public void mD(D<S> d) {\n" +
" //the following line is OK (no warning reported)\n" +
" new D<S>(d);\n" +
" }\n" +
" \n" +
" public void mC(C<S> c) {\n" +
" /* type safety warning\n" +
" * (The expression of type X.C<S>\n" +
" * needs unchecked conversion to conform to\n" +
" * XSB<S>.C<S>)\n" +
" */\n" +
" new C<S>(c);\n" +
" }\n" +
" Zork z;\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 25)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=91017
public void test0584() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.ArrayList;\n" +
"import java.util.List;\n" +
"\n" +
"public class X {\n" +
" public static void main(String[] args) {\n" +
" List<String> stringList = new ArrayList<String>();\n" +
" stringList.add(\"foo\");\n" +
" List<Integer> intList = new ArrayList<Integer>();\n" +
" intList.add(1);\n" +
"\n" +
" List<?> untypedList = stringList;\n" +
" List<?> untypedList2 = intList;\n" +
"\n" +
" //correctly flagged as error: untypedList.add(new Object());\n" +
" //ditto: untypedList.add(untypedList2.get(0));\n" +
"\n" +
" //but this is not flagged at all by eclipse:\n" +
" untypedList.addAll(untypedList2);\n" +
"\n" +
" for(String s : stringList){\n" +
" //next line generates runtime ClassCastException\n" +
" Logger.log(\"Test_Lists.main: s: \" + s);\n" +
" }\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 18)\n" +
" untypedList.addAll(untypedList2);\n" +
" ^^^^^^\n" +
"The method addAll(Collection<? extends capture#1-of ?>) in the type List<capture#1-of ?> is not applicable for the arguments (List<capture#2-of ?>)\n" +
"----------\n" +
"2. ERROR in X.java (at line 22)\n" +
" Logger.log(\"Test_Lists.main: s: \" + s);\n" +
" ^^^^^^\n" +
"Logger cannot be resolved\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=90881
public void test0585() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"\n" +
"public class X {\n" +
" public static void main(String[] args) {\n" +
" Outer.Comparator<String> i = new Outer.Comparator<String>() {\n" +
"\n" +
" public boolean equals(String a, String b) {\n" +
" return false;\n" +
" }\n" +
"\n" +
" public int hashCode(String a) {\n" +
" return 0;\n" +
" }\n" +
" };\n" +
"\n" +
" }\n" +
"}\n" +
"\n" +
"class Outer {}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 5)\n" +
" Outer.Comparator<String> i = new Outer.Comparator<String>() {\n" +
" ^^^^^^^^^^^^^^^^\n" +
"Outer.Comparator cannot be resolved to a type\n" +
"----------\n" +
"2. ERROR in X.java (at line 5)\n" +
" Outer.Comparator<String> i = new Outer.Comparator<String>() {\n" +
" ^^^^^^^^^^^^^^^^\n" +
"Outer.Comparator cannot be resolved to a type\n" +
"----------\n");
}
// **
// note: the test does not show the needed unchecked warning, since it is
// a conform test
public void test0586() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" static class BB<T, S> { }\n" +
" static class BD<T> extends BB<T, T> { }\n" +
" void f() {\n" +
" BB<? extends Number, ? super Integer> bb = null;\n" +
" Object o = (BD<Number>) bb;\n" +
" }\n" +
"}\n",
},
"");
}
public void test0587() {
this.runConformTest(
new String[] {
"X.java",
"interface DA<T> {\n" +
"}\n" +
"interface DB<T> extends DA<T> {\n" +
"}\n" +
"interface DC<T> extends DA<Integer> {\n" +
"}\n" +
"\n" +
"public class X {\n" +
" Object o = (DC<?>) (DA<?>) null;\n" +
"}\n",
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=90433
// **
public void test0588() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<S extends Comparable<S>> {\n" +
" public void f() {\n" +
" Class<? extends Comparable<?>> cc = Long.class;\n" +
" Class<S> currentClass = null;\n" +
" boolean b = currentClass == Long.class;\n" +
" boolean c = X.class == Long.class;\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 6)\n" +
" boolean c = X.class == Long.class;\n" +
" ^^^^^^^^^^^^^^^^^^^^^\n" +
"Incompatible operand types Class<X> and Class<Long>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=85281
public void test0589() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.ArrayList;\n" +
"import java.util.List;\n" +
"\n" +
"public class X {\n" +
"\n" +
" void addAll(List<? extends Number> target, List<? extends Number> source) {\n" +
" target.addAll(source);\n" +
" }\n" +
"\n" +
" public static void main(String... args) {\n" +
" List<Integer> ints = new ArrayList<Integer>();\n" +
" ints.add(3);\n" +
"\n" +
" List<Float> floats = new ArrayList<Float>();\n" +
" floats.add(3f);\n" +
"\n" +
" new X().addAll(ints, floats);\n" +
"\n" +
" for (Integer integer : ints) {\n" +
" System.out.println(integer.intValue());\n" +
" }\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 7)\n" +
" target.addAll(source);\n" +
" ^^^^^^\n" +
"The method addAll(Collection<? extends capture#1-of ? extends Number>) in the type List<capture#1-of ? extends Number> is not applicable for the arguments (List<capture#2-of ? extends Number>)\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=85281 - variation
public void test0590() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.ArrayList;\n" +
"import java.util.List;\n" +
"\n" +
"public class X {\n" +
"\n" +
" void assignAll(Class<? super Number> sup, Class<? extends Number> ext) {\n" +
" Class<? super Number> superSup = sup.getSuperclass();\n" +
" Class<?> superExt = ext.getSuperclass();\n" +
" Class<? super Number> superSup2 = ext.getSuperclass();\n" +
" } \n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 9)\n" +
" Class<? super Number> superSup2 = ext.getSuperclass();\n" +
" ^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Class<capture#6-of ? super capture#5-of ? extends Number> to Class<? super Number>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=85281 - variation
public void test0591() {
this.runConformTest(
new String[] {
"X.java",
"public class X<U> {\n" +
"\n" +
" public Values<U> foo(Box<? extends U> box) {\n" +
" return selectedValues(box.getValues());\n" +
" }\n" +
" public static <G> Values<G> selectedValues(Values<? extends G> v) {\n" +
" return null;\n" +
" }\n" +
"}\n" +
"\n" +
"abstract class Box<V> {\n" +
" abstract Values<V> getValues();\n" +
"}\n" +
"abstract class Values<T> {\n" +
"}\n",
},
"");
}
public void test0592() {
this.runConformTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"public class X {\n" +
" List<?> l;\n" +
" void m() {\n" +
" m2(l);\n" +
" }\n" +
" <T> void m2(List<T> l2) {\n" +
" l2.add(l2.remove(0));\n" +
" }\n" +
"}\n",
},
"");
}
public void test0593() {
Map options = getCompilerOptions();
options.put(JavaCore.COMPILER_PB_UNCHECKED_TYPE_OPERATION, JavaCore.IGNORE);
String xSource =
"import java.util.*;\n" +
"public class X {\n" +
" List<Class<?>> classes1 = Arrays.asList(String.class, Boolean.class);\n" +
" List<? extends Class<?>> classes2 = Arrays.asList(String.class, Boolean.class);\n" +
"}\n";
if (this.complianceLevel < ClassFileConstants.JDK1_8) {
this.runNegativeTest(
new String[] {
"X.java",
xSource,
},
"----------\n" +
"1. ERROR in X.java (at line 3)\n" +
" List<Class<?>> classes1 = Arrays.asList(String.class, Boolean.class);\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from List<Class<? extends Object&Serializable&Comparable<?>>> to List<Class<?>>\n" +
"----------\n",
null,
true,
options);
} else {
runConformTest(new String[] { "X.java", xSource }, options);
}
}
public void test0594() {
this.runNegativeTest(
new String[] {
"X.java",
" import java.util.*;\n" +
"import static java.util.Map.*;\n" +
"\n" +
"abstract class MyIterator<E> implements Iterator<E> {\n" +
" Set<E> iteratedSet;\n" +
"}\n" +
"public class X {\n" +
" \n" +
" void foo() {\n" +
" Map<String, ?> map;\n" +
" Iterator<Entry<String, ?>> it = map.entrySet().iterator();\n" +
"\n" +
" Entry<String, Number> unrelatedEntry;\n" +
" MyIterator<Entry<String, ?>> mit = (MyIterator<Entry<String, ?>>) it;\n" +
" mit.iteratedSet.add(unrelatedEntry);\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 11)\n" +
" Iterator<Entry<String, ?>> it = map.entrySet().iterator();\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Iterator<Map.Entry<String,capture#1-of ?>> to Iterator<Map.Entry<String,?>>\n" +
"----------\n");
}
public void test0595() {
this.runNegativeTest(
new String[] {
"X.java",
" import java.util.*;\n" +
"import static java.util.Map.*;\n" +
"\n" +
"abstract class MyIterator<E> implements Iterator<E> {\n" +
" Set<E> iteratedSet;\n" +
"}\n" +
"public class X {\n" +
" \n" +
" void bar() {\n" +
" Map<? extends String, ?> map;\n" +
" Iterator<Entry<? extends String, ?>> it = map.entrySet().iterator();\n" +
"\n" +
" Entry<String, Number> unrelatedEntry;\n" +
" MyIterator<Entry<? extends String, ?>> mit = (MyIterator<Entry<? extends String, ?>>) it;\n" +
" mit.iteratedSet.add(unrelatedEntry);\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 11)\n" +
" Iterator<Entry<? extends String, ?>> it = map.entrySet().iterator();\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Iterator<Map.Entry<capture#1-of ? extends String,capture#2-of ?>> to Iterator<Map.Entry<? extends String,?>>\n" +
"----------\n");
}
public void test0596() {
this.runConformTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"\n" +
"public class X {\n" +
" <T> Set<T> unmodifiableSet(Set<T> set) {\n" +
" return set;\n" +
" }\n" +
" public void foo(Set<?> s) {\n" +
" Set<?> s2 = unmodifiableSet(s);\n" +
" }\n" +
"}\n",
},
"");
}
public void test0597() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<U> {\n" +
" Pair<U,U> m() { \n" +
" return null; \n" +
" }\n" +
" void foo(X<?> x) {\n" +
" x.m().first = x.m().second;\n" +
" }\n" +
"}\n" +
" \n" +
"class Pair<E, F> {\n" +
" E first;\n" +
" F second;\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 6)\n" +
" x.m().first = x.m().second;\n" +
" ^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from capture#2-of ? to capture#1-of ?\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=90879
// SHOULD FAIL AT 1.8 (18.2.3): The method sort(List<T>) in the type Collections is not applicable for the arguments (List<X>)
public void test0598() {
this.runConformTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"\n" +
"class X implements Comparable {\n" +
"\n" +
" public int compareTo(Object o) {\n" +
" return 0;\n" +
" }\n" +
"\n" +
"}\n" +
"\n" +
"class Y {\n" +
" public static void main(String[] args) {\n" +
" List<X> lx = null;\n" +
" Collections.sort(lx);\n" +
" }\n" +
"}\n",
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=90879 - variation
// SHOULD FAIL AT 1.8 (18.2.3): The method sort1(List<T>) in the type X is not applicable for the arguments (List<X>)
public void test0599() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"\n" +
"public class X implements Comparable {\n" +
" public static void main(String[] args) {\n" +
" Zork z;\n" +
" \n" +
" List<X> lx = null;\n" +
" sort1(lx);\n" +
" sort2(lx);\n" +
" sort3(lx);\n" +
" sort4(lx);\n" +
" sort5(lx);\n" +
" }\n" +
" public int compareTo(Object o) {\n" +
" return 0;\n" +
" }\n" +
" static <T extends Comparable<? super T>> void sort1(List<T> list) {}\n" +
" static <T extends Comparable<? extends T>> void sort2(List<T> list) {}\n" +
" static <T extends Comparable<?>> void sort3(List<T> list) {}\n" +
" static <T extends Comparable<T>> void sort4(List<T> list) {}\n" +
" static <T extends Comparable> void sort5(List<T> list) {}\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 3)\n" +
" public class X implements Comparable {\n" +
" ^^^^^^^^^^\n" +
"Comparable is a raw type. References to generic type Comparable<T> should be parameterized\n" +
"----------\n" +
"2. ERROR in X.java (at line 5)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n" +
"3. WARNING in X.java (at line 8)\n" +
" sort1(lx);\n" +
" ^^^^^^^^^\n" +
"Type safety: Unchecked invocation sort1(List<X>) of the generic method sort1(List<T>) of type X\n" +
"----------\n" +
"4. WARNING in X.java (at line 9)\n" +
" sort2(lx);\n" +
" ^^^^^^^^^\n" +
"Type safety: Unchecked invocation sort2(List<X>) of the generic method sort2(List<T>) of type X\n" +
"----------\n" +
"5. WARNING in X.java (at line 11)\n" +
" sort4(lx);\n" +
" ^^^^^^^^^\n" +
"Type safety: Unchecked invocation sort4(List<X>) of the generic method sort4(List<T>) of type X\n" +
"----------\n" +
"6. WARNING in X.java (at line 21)\n" +
" static <T extends Comparable> void sort5(List<T> list) {}\n" +
" ^^^^^^^^^^\n" +
"Comparable is a raw type. References to generic type Comparable<T> should be parameterized\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=90879 - variation
// SHOULD FAIL AT 1.8 (18.2.3): The method sort6(List<T>) in the type X is not applicable for the arguments (List<MyEnum>)
public void test0600() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"\n" +
"public class X implements Comparable {\n" +
" public static void main(String[] args) {\n" +
" Zork z;\n" +
" \n" +
" List<MyEnum> le = null;\n" +
" sort6(le);\n" +
" sort7(le);\n" +
" sort8(le);\n" +
" sort9(le);\n" +
" sort10(le);\n" +
" }\n" +
" public int compareTo(Object o) {\n" +
" return 0;\n" +
" }\n" +
" static <T extends MyEnum<? super T>> void sort6(List<T> list) {}\n" +
" static <T extends MyEnum<? extends T>> void sort7(List<T> list) {}\n" +
" static <T extends MyEnum<?>> void sort8(List<T> list) {}\n" +
" static <T extends MyEnum<T>> void sort9(List<T> list) {}\n" +
" static <T extends MyEnum> void sort10(List<T> list) {}\n" +
"}\n" +
"class MyEnum<E extends MyEnum<E>> {}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 3)\n" +
" public class X implements Comparable {\n" +
" ^^^^^^^^^^\n" +
"Comparable is a raw type. References to generic type Comparable<T> should be parameterized\n" +
"----------\n" +
"2. ERROR in X.java (at line 5)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n" +
"3. WARNING in X.java (at line 7)\n" +
" List<MyEnum> le = null;\n" +
" ^^^^^^\n" +
"MyEnum is a raw type. References to generic type MyEnum<E> should be parameterized\n" +
"----------\n" +
"4. WARNING in X.java (at line 8)\n" +
" sort6(le);\n" +
" ^^^^^^^^^\n" +
"Type safety: Unchecked invocation sort6(List<MyEnum>) of the generic method sort6(List<T>) of type X\n" +
"----------\n" +
"5. WARNING in X.java (at line 9)\n" +
" sort7(le);\n" +
" ^^^^^^^^^\n" +
"Type safety: Unchecked invocation sort7(List<MyEnum>) of the generic method sort7(List<T>) of type X\n" +
"----------\n" +
"6. WARNING in X.java (at line 11)\n" +
" sort9(le);\n" +
" ^^^^^^^^^\n" +
"Type safety: Unchecked invocation sort9(List<MyEnum>) of the generic method sort9(List<T>) of type X\n" +
"----------\n" +
"7. WARNING in X.java (at line 21)\n" +
" static <T extends MyEnum> void sort10(List<T> list) {}\n" +
" ^^^^^^\n" +
"MyEnum is a raw type. References to generic type MyEnum<E> should be parameterized\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=85281 - variation
public void test0601() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<U> {\n" +
"\n" +
" public Values<U> foo(Box<? extends U> box) {\n" +
" return selectedValues(box.getValues());\n" +
" }\n" +
" public static <G> Values<G> selectedValues(Values<G> v) {\n" +
" return null;\n" +
" }\n" +
"}\n" +
"\n" +
"abstract class Box<V> {\n" +
" abstract Values<V> getValues();\n" +
"}\n" +
"abstract class Values<T> {\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" return selectedValues(box.getValues());\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Values<capture#1-of ? extends U> to Values<U>\n" +
"----------\n");
}
public void test0602() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<U> {\n" +
"\n" +
" public void foo(Box<? extends U> box) {\n" +
" box.getValues()[0] = box.getValues()[1];\n" +
" }\n" +
"}\n" +
"\n" +
"abstract class Box<V> {\n" +
" abstract Values<V>[] getValues();\n" +
"}\n" +
"abstract class Values<T> {\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" box.getValues()[0] = box.getValues()[1];\n" +
" ^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Values<capture#2-of ? extends U> to Values<capture#1-of ? extends U>\n" +
"----------\n");
}
public void test0603() {
this.runConformTest(
new String[] {
"X.java",
"public class X<U> {\n" +
"\n" +
" public void foo(Box<? extends U>[] boxes) {\n" +
" boxes[0] = boxes[1];\n" +
" }\n" +
"}\n" +
"\n" +
"abstract class Box<V> {\n" +
" abstract Values<V>[] getValues();\n" +
"}\n" +
"abstract class Values<T> {\n" +
"}\n",
},
"");
}
// capture on array ref
public void test0604() {
this.runConformTest(
new String[] {
"X.java",
"public class X<U> {\n" +
"\n" +
" public void foo(Box<? extends U>[] boxes) {\n" +
" bar(boxes[0], boxes[1]);\n" +
" }\n" +
" <V> void bar(V v1, V v2) {}\n" +
"}\n" +
"\n" +
"abstract class Box<V> {\n" +
" abstract Values<V>[] getValues();\n" +
"}\n" +
"abstract class Values<T> {\n" +
"}\n",
},
"");
}
// capture on array ref
public void test0605() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<U> {\n" +
"\n" +
" public void foo(Box<? extends U> box) {\n" +
" box.getValues()[1] = box.getValues()[2];\n" +
" }\n" +
"}\n" +
"\n" +
"abstract class Box<V> {\n" +
" abstract Values<V>[] getValues();\n" +
"}\n" +
"abstract class Values<T> {\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" box.getValues()[1] = box.getValues()[2];\n" +
" ^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Values<capture#2-of ? extends U> to Values<capture#1-of ? extends U>\n" +
"----------\n");
}
public void test0606() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<U> {\n" +
"\n" +
" public void foo(Box<? extends U> box) {\n" +
" box.getValues()[1] = (Values<? extends U>) box.getValues()[2];\n" +
" }\n" +
" <V> void bar(V v1, V v2) {}\n" +
"}\n" +
"\n" +
"abstract class Box<V> {\n" +
" abstract Values<V>[] getValues();\n" +
"}\n" +
"abstract class Values<T> {\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" box.getValues()[1] = (Values<? extends U>) box.getValues()[2];\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Values<capture#3-of ? extends U> to Values<capture#1-of ? extends U>\n" +
"----------\n");
}
public void test0607() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"\n" +
"public class X {\n" +
"\n" +
" void test01() {\n" +
" List<Comparable<Object>> lObj = new ArrayList<Comparable<Object>> ();\n" +
" Collections.sort (lObj); \n" +
" }\n" +
" void test02() {\n" +
" List<Comparable> lComp = new ArrayList<Comparable> ();\n" +
" Collections.sort (lComp); \n" +
" }\n" +
" void test03() {\n" +
" List<Comparable<String>> lStr = new ArrayList<Comparable<String>> ();\n" +
" Collections.sort (lStr);\n" +
" }\n" +
" }\n",
},
"----------\n" +
"1. WARNING in X.java (at line 10)\n" +
" List<Comparable> lComp = new ArrayList<Comparable> ();\n" +
" ^^^^^^^^^^\n" +
"Comparable is a raw type. References to generic type Comparable<T> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 10)\n" +
" List<Comparable> lComp = new ArrayList<Comparable> ();\n" +
" ^^^^^^^^^^\n" +
"Comparable is a raw type. References to generic type Comparable<T> should be parameterized\n" +
"----------\n" +
"3. WARNING in X.java (at line 11)\n" +
" Collections.sort (lComp); \n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked invocation sort(List<Comparable>) of the generic method sort(List<T>) of type Collections\n" +
(this.complianceLevel < ClassFileConstants.JDK1_8 ?
"----------\n" +
"4. ERROR in X.java (at line 15)\n" +
" Collections.sort (lStr);\n" +
" ^^^^\n" +
"Bound mismatch: The generic method sort(List<T>) of type Collections is not applicable for the arguments (List<Comparable<String>>). The inferred type Comparable<String> is not a valid substitute for the bounded parameter <T extends Comparable<? super T>>\n" +
"----------\n" :
"----------\n" +
"4. ERROR in X.java (at line 15)\n" +
" Collections.sort (lStr);\n" +
" ^^^^\n" +
"The method sort(List<T>) in the type Collections is not applicable for the arguments (List<Comparable<String>>)\n" +
"----------\n"));
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=84284 - check warnings
// SHOULD FAIL AT 1.8 (18.2.3): The method sort(List<T>) in the type Collections is not applicable for the arguments (LinkedList<Ball>)
public void test0608() {
this.runNegativeTest(
new String[] {
"Ball.java",
"import java.util.*;\n" +
"class Ball implements Comparable {\n" +
"\n" +
" public int compareTo(Object o) {\n" +
" return 0;\n" +
" }\n" +
" \n" +
" public static void main(String[] args) {\n" +
" LinkedList<Ball> foo = new LinkedList<Ball>();\n" +
" Collections.sort(foo);\n" +
" }\n" +
" Zork z;\n" +
"}\n",
},
"----------\n" +
"1. WARNING in Ball.java (at line 2)\n" +
" class Ball implements Comparable {\n" +
" ^^^^^^^^^^\n" +
"Comparable is a raw type. References to generic type Comparable<T> should be parameterized\n" +
"----------\n" +
"2. WARNING in Ball.java (at line 10)\n" +
" Collections.sort(foo);\n" +
" ^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked invocation sort(LinkedList<Ball>) of the generic method sort(List<T>) of type Collections\n" +
"----------\n" +
"3. ERROR in Ball.java (at line 12)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=81831
public void test0609() {
this.runConformTest(
new String[] {
"I.java",
"interface I<T extends I<? super T>> {}\n",
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=89940
public void test0610() {
this.runNegativeTest(
new String[] {
"X.java",
" import java.util.List;\n" +
"\n" +
"public class X {\n" +
" void foo(List<Object> objects, List raw) {\n" +
"\n" +
" List<Number> numbers;\n" +
" List<? extends Number> ext;\n" +
" \n" +
" numbers= (List<Number>) objects; // correct - cast error\n" +
" ext= (List<? extends Number>) objects; // wrong, should fail\n" +
"\n" +
" ext= raw; // correct - raw conversion warning issued\n" +
" numbers= raw; // correct - raw conversion warning issued\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 4)\n" +
" void foo(List<Object> objects, List raw) {\n" +
" ^^^^\n" +
"List is a raw type. References to generic type List<E> should be parameterized\n" +
"----------\n" +
"2. ERROR in X.java (at line 9)\n" +
" numbers= (List<Number>) objects; // correct - cast error\n" +
" ^^^^^^^^^^^^^^^^^^^^^^\n" +
"Cannot cast from List<Object> to List<Number>\n" +
"----------\n" +
"3. ERROR in X.java (at line 10)\n" +
" ext= (List<? extends Number>) objects; // wrong, should fail\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Cannot cast from List<Object> to List<? extends Number>\n" +
"----------\n" +
"4. WARNING in X.java (at line 12)\n" +
" ext= raw; // correct - raw conversion warning issued\n" +
" ^^^\n" +
"Type safety: The expression of type List needs unchecked conversion to conform to List<? extends Number>\n" +
"----------\n" +
"5. WARNING in X.java (at line 13)\n" +
" numbers= raw; // correct - raw conversion warning issued\n" +
" ^^^\n" +
"Type safety: The expression of type List needs unchecked conversion to conform to List<Number>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=91696
public void test0611() {
this.runConformTest(
new String[] {
"C.java",
"import java.io.Serializable;\n" +
"\n" +
"interface A<K extends A.BK<S>, S extends A.BS> {\n" +
" public interface BS extends Serializable {\n" +
" }\n" +
" public interface BK<SS> extends Serializable {\n" +
" public void put(SS a);\n" +
" }\n" +
"\n" +
" public P<K, S> getP();\n" +
"}\n" +
"\n" +
"class P<K extends A.BK<S>, S extends A.BS> {\n" +
" K k;\n" +
" S s;\n" +
"\n" +
" public void put() {\n" +
" k.put(s);\n" +
" }\n" +
"}\n" +
"\n" +
"public class C<T> implements A<C.K, C.S> {\n" +
" public static class K implements A.BK<C.S> {\n" +
" public void put(S a) {\n" +
" }\n" +
" }\n" +
" protected static class S implements A.BS {\n" +
" }\n" +
"\n" +
" public P<K, S> getP() {\n" +
" return null;\n" +
" }\n" +
"}\n",
},
"");
}
public void test0612() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"\n" +
"class MPair<A,B> {}\n" +
"\n" +
"public class X<K,V> {\n" +
" private static class Bucket extends LinkedList<MPair<K,V>> {}\n" +
" private Bucket[] buckets = new X.Bucket[100];\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 6)\n" +
" private static class Bucket extends LinkedList<MPair<K,V>> {}\n" +
" ^\n" +
"Cannot make a static reference to the non-static type K\n" +
"----------\n" +
"2. ERROR in X.java (at line 6)\n" +
" private static class Bucket extends LinkedList<MPair<K,V>> {}\n" +
" ^\n" +
"Cannot make a static reference to the non-static type V\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=84973
public void test0613() {
this.runNegativeTest(
new String[] {
"Map.java",
"package xy;\n" +
"import xy.Map.Entry;\n" +
"\n" +
"class Map<M> {\n" +
" class Entry<E> { }\n" +
"}\n" +
"class User {\n" +
" void a(Entry<String> e) { } // Entry<String> is illegal (eclipse accepts)\n" +
" void c(Map.Entry<String> e) { } // illegal (correctly flagged)\n" +
" void b(Entry e) { } // OK\n" +
" void d(Map<Integer>.Entry<String> e) { } // OK\n" +
"}\n",
},
"----------\n" +
"1. ERROR in Map.java (at line 8)\n" +
" void a(Entry<String> e) { } // Entry<String> is illegal (eclipse accepts)\n" +
" ^^^^^\n" +
"The member type Map.Entry<String> must be qualified with a parameterized type, since it is not static\n" +
"----------\n" +
"2. ERROR in Map.java (at line 9)\n" +
" void c(Map.Entry<String> e) { } // illegal (correctly flagged)\n" +
" ^^^^^^^^^\n" +
"The member type Map.Entry<String> must be qualified with a parameterized type, since it is not static\n" +
"----------\n" +
"3. WARNING in Map.java (at line 10)\n" +
" void b(Entry e) { } // OK\n" +
" ^^^^^\n" +
"Map.Entry is a raw type. References to generic type Map<M>.Entry<E> should be parameterized\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=84973 - variation
public void test0614() {
this.runNegativeTest(
new String[] {
"X1.java",
"class X1 {\n" +
" static class X2<T> {\n" +
" class X3<U> {\n" +
" }\n" +
" }\n" +
"}\n" +
"class Y1 {\n" +
" class Y2 extends X1.X2<Exception> {\n" +
" void foo() {\n" +
" X3<String> x;\n" +
" }\n" +
" }\n" +
" Zork z;\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X1.java (at line 13)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=84973 - variation
public void test0615() {
this.runNegativeTest(
new String[] {
"X1.java",
"class X1 {\n" +
" static class X2<T> {\n" +
" class X3<U> {\n" +
" }\n" +
" }\n" +
"}\n" +
"class Y1 {\n" +
" class Y2 extends X1.X2 {\n" +
" void foo() {\n" +
" X3<String> x;\n" +
" }\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X1.java (at line 8)\n" +
" class Y2 extends X1.X2 {\n" +
" ^^^^^\n" +
"X1.X2 is a raw type. References to generic type X1.X2<T> should be parameterized\n" +
"----------\n" +
"2. ERROR in X1.java (at line 10)\n" +
" X3<String> x;\n" +
" ^^\n" +
"The member type X1.X2.X3<String> must be qualified with a parameterized type, since it is not static\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=84973 - variation
public void test0616() {
this.runNegativeTest(
new String[] {
"Map.java",
"package xy;\n" +
"import xy.Map.Entry;\n" +
"\n" +
"class Map<M> {\n" +
" class Entry<E> { }\n" +
"}\n" +
"class User extends Map<String> {\n" +
" void a(Entry<String> e) { } // Entry<String> is illegal (eclipse accepts)\n" +
" void c(Map.Entry<String> e) { } // illegal (correctly flagged)\n" +
" void b(Entry e) { } // OK\n" +
" void d(Map<Integer>.Entry<String> e) { } // OK\n" +
"}\n",
},
"----------\n" +
"1. ERROR in Map.java (at line 9)\n" +
" void c(Map.Entry<String> e) { } // illegal (correctly flagged)\n" +
" ^^^^^^^^^\n" +
"The member type Map.Entry<String> must be qualified with a parameterized type, since it is not static\n" +
"----------\n" +
"2. WARNING in Map.java (at line 10)\n" +
" void b(Entry e) { } // OK\n" +
" ^^^^^\n" +
"Map.Entry is a raw type. References to generic type Map<M>.Entry<E> should be parameterized\n" +
"----------\n");
}
public void test0617() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
"\n" +
" public void foo() {\n" +
" String s = null;\n" +
" ZZZ1<?>.ZZZ2<?>.ZZZ3<?> var = null;\n" +
" s = var;\n" +
" }\n" +
"}\n" +
"\n" +
"class ZZZ1<T1> {\n" +
" class ZZZ2<T2> {\n" +
" class ZZZ3<T3> {}\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 6)\n" +
" s = var;\n" +
" ^^^\n" +
"Type mismatch: cannot convert from ZZZ1<?>.ZZZ2<?>.ZZZ3<capture#1-of ?> to String\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=84973 - variation
public void test0618() {
this.runNegativeTest(
new String[] {
"Map.java",
"class Map<M> {\n" +
" class Entry<E> { }\n" +
" class Foo {\n" +
" Entry<String> entry;\n" +
" static void foo(Entry<String> e) { } // invalid static ref\n" +
" }\n" +
" static class Bar {\n" +
" Entry<String> entry; // invalid static ref\n" +
" }\n" +
" void a(Entry<String> e) { } // OK\n" +
" void c(Map.Entry<String> e) { } // illegal \n" +
" void b(Entry e) { } // OK\n" +
" void d(Map<Integer>.Entry<String> e) { } // OK\n" +
"}\n",
},
"----------\n" +
"1. ERROR in Map.java (at line 5)\n" +
" static void foo(Entry<String> e) { } // invalid static ref\n" +
" ^^^^^^^^^^^^^^^^^^^^\n" +
"The method foo cannot be declared static; static methods can only be declared in a static or top level type\n" +
"----------\n" +
"2. ERROR in Map.java (at line 5)\n" +
" static void foo(Entry<String> e) { } // invalid static ref\n" +
" ^^^^^\n" +
"Cannot make a static reference to the non-static type Entry\n" +
"----------\n" +
"3. ERROR in Map.java (at line 8)\n" +
" Entry<String> entry; // invalid static ref\n" +
" ^^^^^\n" +
"Cannot make a static reference to the non-static type Entry\n" +
"----------\n" +
"4. ERROR in Map.java (at line 11)\n" +
" void c(Map.Entry<String> e) { } // illegal \n" +
" ^^^^^^^^^\n" +
"The member type Map.Entry<String> must be qualified with a parameterized type, since it is not static\n" +
"----------\n" +
"5. WARNING in Map.java (at line 12)\n" +
" void b(Entry e) { } // OK\n" +
" ^^^^^\n" +
"Map.Entry is a raw type. References to generic type Map<M>.Entry<E> should be parameterized\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=89440
public void test0619() {
this.runConformTest(
new String[] {
"X.java",
"interface ISample<V> {\n" +
" public static enum Stuff {\n" +
" FIRST, SECOND, THIRD\n" +
" };\n" +
"}\n" +
"\n" +
"class SampleClass {\n" +
" public void doSomething(ISample.Stuff thing) {\n" +
"\n" +
" }\n" +
"}\n" +
"\n" +
"public class X {\n" +
" public void doSomething() {\n" +
" SampleClass sample = new SampleClass();\n" +
" sample.doSomething(ISample.Stuff.FIRST);\n" +
" }\n" +
"}\n",
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=84551
public void test0620() {
this.runNegativeTest(
new String[] {
"Outer.java",
"public class Outer<O> {\n" +
" class Inner { }\n" +
" \n" +
" static void test(Inner i) { }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in Outer.java (at line 4)\n" +
" static void test(Inner i) { }\n" +
" ^^^^^\n" +
"Cannot make a static reference to the non-static type Inner\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=84551- variation
public void test0621() {
this.runConformTest(
new String[] {
"Outer.java",
"public class Outer {\n" +
" class Inner { }\n" +
" \n" +
" static void test(Inner i) { }\n" +
"}\n",
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=84551 - variation
public void test0622() {
this.runConformTest(
new String[] {
"Outer.java",
"public class Outer<O> {\n" +
" static class Inner { }\n" +
" \n" +
" static void test(Inner i) { }\n" +
"}\n",
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=84551 - variation
public void test0623() {
this.runConformTest(
new String[] {
"X.java",
"public class X<T> {\n" +
" static class Outer {\n" +
" class Inner { }\n" +
" static void test(Inner i) { }\n" +
" }\n" +
"}\n",
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=83034
public void test0624() {
this.runConformTest(
new String[] {
"X.java",
" interface IFoo<U, V extends X<U, V>> {\n" +
" V bar(int i);\n" +
"}\n" +
"\n" +
"public class X<E, F extends X<E, F>> {\n" +
" \n" +
" public boolean foo(X<E, ?> x) {\n" +
" return false;\n" +
" }\n" +
" public boolean baz(IFoo<E, ?> f) {\n" +
" return foo(f.bar(0));\n" +
" }\n" +
"}\n",
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=83034 - variation
public void test0625() {
this.runConformTest(
new String[] {
"Foo.java",
"public class Foo<K> {\n" +
" public enum Mode {\n" +
" A\n" +
" };\n" +
" public void test(Mode mode) {\n" +
" }\n" +
"} \n",
},
"");
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" enum Keys {\n" +
" B\n" +
" };\n" +
" public void test() {\n" +
" Foo<Keys> foo = new Foo<Keys>();\n" +
" foo.test(Foo.Mode.A); // error\n" +
" }\n" +
"} \n",
},
"",
null,
false,
null);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=92037
public void test0626() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
"\n" +
" private static class A {\n" +
"\n" +
" }\n" +
"\n" +
" private static class B<A> {\n" +
"\n" +
" }\n" +
"\n" +
" private static class AA extends A {\n" +
"\n" +
" }\n" +
"\n" +
" private static class C extends B<AA> {\n" +
"\n" +
" }\n" +
"\n" +
" public static void main(String[] args) {\n" +
" B<A> b = new B<A>();\n" +
" System.out.println(b instanceof C);\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 7)\n" +
" private static class B<A> {\n" +
" ^\n" +
"The type parameter A is hiding the type X.A\n" +
"----------\n" +
"2. WARNING in X.java (at line 11)\n" +
" private static class AA extends A {\n" +
" ^^\n" +
"Access to enclosing constructor X.A() is emulated by a synthetic accessor method\n" +
"----------\n" +
"3. WARNING in X.java (at line 15)\n" +
" private static class C extends B<AA> {\n" +
" ^\n" +
"Access to enclosing constructor X.B<A>() is emulated by a synthetic accessor method\n" +
"----------\n" +
"4. ERROR in X.java (at line 21)\n" +
" System.out.println(b instanceof C);\n" +
" ^^^^^^^^^^^^^^\n" +
"Incompatible conditional operand types X.B<X.A> and X.C\n" +
"----------\n");
}
public void test0627() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.List;\n" +
"\n" +
"public class X {\n" +
"\n" +
" <T> List<? extends T> foo(List<? extends T> l1, List<? extends T> l2) {\n" +
" return l1;\n" +
" }\n" +
" void bar(List<String> l1, List<Integer> l2) {\n" +
" String s = foo(l1, l2);\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 9)\n" +
" String s = foo(l1, l2);\n" +
" ^^^^^^^^^^^\n" +
(this.complianceLevel < ClassFileConstants.JDK1_8 ?
"Type mismatch: cannot convert from List<capture#2-of ? extends Object&Serializable&Comparable<?>> to String\n"
:
"Type mismatch: cannot convert from List<capture#3-of ? extends Object&Serializable&Comparable<?>> to String\n"
) +
"----------\n");
}
// check capture for conditional operator
public void test0628() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.List;\n" +
"\n" +
"public class X {\n" +
"\n" +
" <T> List<? extends T> foo(List<? extends T> l1, List<? extends T> l2) {\n" +
" return l1;\n" +
" }\n" +
" void bar(List<Float> l1, List<Integer> l2) {\n" +
" List<?> l3 = null;\n" +
" String s = l1 != null ? foo(l1, l2) : l3;\n" +
" }\n" +
"}\n",
},
this.complianceLevel < ClassFileConstants.JDK1_8 ?
"----------\n" +
"1. ERROR in X.java (at line 10)\n" +
" String s = l1 != null ? foo(l1, l2) : l3;\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from List<capture#4-of ? extends Object> to String\n" +
"----------\n" :
"----------\n" +
"1. ERROR in X.java (at line 10)\n" +
" String s = l1 != null ? foo(l1, l2) : l3;\n" +
" ^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from List<capture#3-of ? extends Number&Comparable<?>> to String\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=92556
public void test0629() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" public abstract class Context<N extends Number> {\n" +
" private Strategy<N, ? super Context<N>> strategy;\n" +
" public void setStrategy(Strategy<N, ? super Context<N>> strategy) {\n" +
" this.strategy = strategy;\n" +
" }\n" +
" // m?thode qui utilise la strat?gie\n" +
" public N call() throws Exception {\n" +
" return this.strategy.call(this);\n" +
" }\n" +
" }\n" +
" public interface Strategy<N extends Number, C extends Context<N>> {\n" +
" public abstract N call(C context);\n" +
" }\n" +
"\n" +
"} \n",
},
"");
}
public void test0630() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.ArrayList;\n" +
"import java.util.List;\n" +
"\n" +
"@SuppressWarnings(\"null\")\n" +
"public class X {\n" +
"\n" +
" void test0() {\n" +
" List<? super Number[]> arrays= new ArrayList<Number[]>();\n" +
" Number[] a= null;\n" +
" arrays.add(null);\n" +
" arrays.add(a); // Error: The method add(capture-of ? super Number[]) in the type List<capture-of ? super Number[]> is not applicable for the arguments (Number[])\n" +
" }\n" +
"\n" +
" void test01() {\n" +
" List<? extends Number[]> arrays= new ArrayList<Number[]>();\n" +
" Number[] a= null;\n" +
" arrays.add(null);\n" +
" arrays.add(a); // Error: The method add(capture-of ? extends Number[]) in the type List<capture-of ? super Number[]> is not applicable for the arguments (Number[])\n" +
" }\n" +
" \n" +
" void test02() {\n" +
" List<? super Number> nums= null;\n" +
" Number n= null;\n" +
" nums.add(null);\n" +
" nums.add(n);\n" +
" }\n" +
"\n" +
" void test3() {\n" +
" List<? super List<Number>> nums= null;\n" +
" List<Number> n= null;\n" +
" nums.add(null);\n" +
" nums.add(n);\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 18)\n" +
" arrays.add(a); // Error: The method add(capture-of ? extends Number[]) in the type List<capture-of ? super Number[]> is not applicable for the arguments (Number[])\n" +
" ^^^\n" +
"The method add(capture#4-of ? extends Number[]) in the type List<capture#4-of ? extends Number[]> is not applicable for the arguments (Number[])\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=93044
public void test0631() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.lang.annotation.RetentionPolicy;\n" +
"\n" +
"public class X\n" +
"{\n" +
" public static void main(String[] args)\n" +
" {\n" +
" Class<? extends Enum<?>> c = RetentionPolicy.class;\n" +
" System.out.println(Enum.valueOf(c, \"CLASS\"));\n" +
" }\n" +
"}\n",
},
this.complianceLevel < ClassFileConstants.JDK1_8 ?
"----------\n" +
"1. ERROR in X.java (at line 8)\n" +
" System.out.println(Enum.valueOf(c, \"CLASS\"));\n" +
" ^^^^^^^\n" +
"Bound mismatch: The generic method valueOf(Class<T>, String) of type Enum<E> is not applicable for the arguments (Class<capture#1-of ? extends Enum<?>>, String). The inferred type capture#1-of ? extends Enum<?> is not a valid substitute for the bounded parameter <T extends Enum<T>>\n" +
"----------\n" :
"----------\n" +
"1. ERROR in X.java (at line 8)\n" +
" System.out.println(Enum.valueOf(c, \"CLASS\"));\n" +
" ^^^^^^^\n" +
"The method valueOf(Class<T>, String) in the type Enum is not applicable for the arguments (Class<capture#1-of ? extends Enum<?>>, String)\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=92982
public void test0632() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.Vector;\n" +
"\n" +
"@SuppressWarnings(\"null\")\n" +
"public class X {\n" +
" void test01() {\n" +
" Vector<? super java.lang.Object[]> lhs = null;\n" +
" Vector<? extends java.lang.Object[]> rhs = null;\n" +
" lhs.add(rhs.get(0));\n" +
" }\n" +
" void test02() {\n" +
" Vector<? extends java.lang.Object[]> lhs = null;\n" +
" Vector<? extends java.lang.Object[]> rhs = null;\n" +
" lhs.add(rhs.get(0));\n" +
" }\n" +
" void test3() {\n" +
" Vector<? super java.lang.Object[]> lhs = null;\n" +
" Vector<? super java.lang.Object[]> rhs = null;\n" +
" lhs.add(rhs.get(0));\n" +
" }\n" +
" void test4() {\n" +
" Vector<? extends java.lang.Object[]> lhs = null;\n" +
" Vector<? super java.lang.Object[]> rhs = null;\n" +
" lhs.add(rhs.get(0));\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 13)\n" +
" lhs.add(rhs.get(0));\n" +
" ^^^\n" +
"The method add(capture#3-of ? extends Object[]) in the type Vector<capture#3-of ? extends Object[]> is not applicable for the arguments (capture#4-of ? extends Object[])\n" +
"----------\n" +
"2. ERROR in X.java (at line 18)\n" +
" lhs.add(rhs.get(0));\n" +
" ^^^\n" +
"The method add(capture#5-of ? super Object[]) in the type Vector<capture#5-of ? super Object[]> is not applicable for the arguments (capture#6-of ? super Object[])\n" +
"----------\n" +
"3. ERROR in X.java (at line 23)\n" +
" lhs.add(rhs.get(0));\n" +
" ^^^\n" +
"The method add(capture#7-of ? extends Object[]) in the type Vector<capture#7-of ? extends Object[]> is not applicable for the arguments (capture#8-of ? super Object[])\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=92982 - variation
public void test0633() {
runConformTest(
// test directory preparation
true /* flush output directory */,
new String[] { /* test files */
"X.java",
"import java.util.Vector;\n" +
"\n" +
"public class X {\n" +
" void test1() {\n" +
" Vector<? super Object[]> lhs = null;\n" +
" Vector<Object[]> rhs = null;\n" +
" lhs.add(rhs.get(0)); \n" +
" foo(rhs.get(0)); // ok #foo(Object[])\n" +
" }\n" +
" void foo(Object[] objs) {\n" +
" }\n" +
"}\n",
},
// compiler results
null /* do not check compiler log */,
// runtime results
"" /* expected output string */,
null /* do not check error string */,
// javac options
JavacTestOptions.JavacHasABug.JavacBugFixed_6_10 /* javac test options */);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=90775
public void test0634() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.lang.reflect.Array;\n" +
"\n" +
"public class X<T> {\n" +
"\n" +
" T[] theArray;\n" +
"\n" +
" public X(Class<T> clazz) {\n" +
" theArray = (T[]) Array.newInstance(clazz, 10); // Compiler warning\n" +
" }\n" +
"\n" +
" public T get(int i) {\n" +
" return theArray[i];\n" +
" }\n" +
"\n" +
" public static void main(String[] args) {\n" +
" X<Integer> t = new X<Integer>(Integer.class);\n" +
" // GenericsArray1<Integer> t = new GenericsArray1<Integer>( int.class );\n" +
" Object[] o = t.theArray;\n" +
" }\n" +
" Zork z;\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 8)\n" +
" theArray = (T[]) Array.newInstance(clazz, 10); // Compiler warning\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from Object to T[]\n" +
"----------\n" +
"2. ERROR in X.java (at line 20)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=93298
public void test0635() {
this.runConformTest(
new String[] {
"X.java",
"import java.util.Iterator;\n" +
"public class X {\n" +
" public static class Indexed <U> {\n" +
" public Iterator<U> foo() {\n" +
" return new IndexedIter();\n" +
" }\n" +
" class IndexedIter implements Iterator<U> {\n" +
" public boolean hasNext() {\n" +
" return false;\n" +
" }\n" +
" public U next() {\n" +
" return null;\n" +
" }\n" +
" public void remove() {\n" +
" }\n" +
" }\n" +
" }\n" +
"}\n",
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=78084
public void test0636() {
this.runNegativeTest(
new String[] {
"X.java",
"public abstract class X<T> {\n" +
" public final T element() {\n" +
" T result = (T) customElement(); // reports unnecessary cast\n" +
" return result;\n" +
" }\n" +
" protected abstract Object customElement();\n" +
" Zork z;\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 3)\n" +
" T result = (T) customElement(); // reports unnecessary cast\n" +
" ^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from Object to T\n" +
"----------\n" +
"2. ERROR in X.java (at line 7)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=84968
public void test0637() {
this.runConformTest(
new String[] {
"X.java",
"public class X<E> {\n" +
" public static final class Ex1 extends Exception {\n" +
" private static final long serialVersionUID = 1;\n" +
" }\n" +
"\n" +
" private void a1() {\n" +
" try {\n" +
" a1_1();\n" +
" } catch (Ex1 si) {\n" +
" assert si != null;\n" +
" }\n" +
" }\n" +
"\n" +
" protected Object a1_1() throws Ex1 {\n" +
" return null;\n" +
" }\n" +
"\n" +
" private void a2() {\n" +
" try {\n" +
" a2_1();\n" +
" } catch (Ex2 si) {\n" +
" assert si != null;\n" +
" }\n" +
" }\n" +
"\n" +
" protected Object a2_1() throws Ex2 {\n" +
" return null;\n" +
" }\n" +
"\n" +
" public final static class Ex3 extends Exception {\n" +
" private static final long serialVersionUID = 1;\n" +
" }\n" +
"\n" +
" private void a3() {\n" +
" try {\n" +
" a3_1();\n" +
" } catch (Ex3 si) {\n" +
" assert si != null;\n" +
" }\n" +
" }\n" +
"\n" +
" protected Object a3_1() throws Ex3 {\n" +
" return null;\n" +
" }\n" +
"\n" +
"}\n" +
"\n" +
"final class Ex2 extends Exception {\n" +
" private static final long serialVersionUID = 1;\n" +
"}\n",
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=93478
public void test0638() {
this.runConformTest(
new String[] {
"X.java",
"import java.util.concurrent.BlockingQueue;\n" +
"\n" +
"public class X {\n" +
" static interface IMX<S, L> {\n" +
" void call(L a, S b);\n" +
" }\n" +
" static interface Y<S, L> {\n" +
" void addX(final IMX<S, L> a);\n" +
" void removeX(final IMX<S, L> a);\n" +
" }\n" +
" static final class Pair<T, V> {\n" +
" T first;\n" +
"\n" +
" V second;\n" +
" }\n" +
" static class Bar<P> {\n" +
" Bar(final BlockingQueue<P> a) {\n" +
"\n" +
" }\n" +
" }\n" +
"}\n" +
"\n" +
"final class Foo<S, L> extends X.Bar<X.Pair<L[], S>> implements X.IMX<S, L> {\n" +
" Foo(final BlockingQueue<X.Pair<L[], S>> in) {\n" +
" super(in);\n" +
" }\n" +
" public void call(L a, S b) {\n" +
" }\n" +
"}\n",
},
"");
}
public void test0639() {
this.runConformTest(
new String[] {
"X.java",
"import java.lang.annotation.Annotation;\n" +
"import java.lang.reflect.*;\n" +
"\n" +
"@interface MyAnnotation {\n" +
"}\n" +
"public class X {\n" +
" void test() throws Exception {\n" +
" Class type = X.class;\n" +
" Method method = type.getMethod(\"test\");\n" +
" Constructor constructor = type.getConstructor();\n" +
" Field field = type.getField(\"field\");\n" +
" Package packge = type.getPackage();\n" +
" MyAnnotation typeAnnot = getAnnotation(MyAnnotation.class);\n" +
" MyAnnotation methodAnnot = getAnnotation(MyAnnotation.class);\n" +
" MyAnnotation constrAnnot = getAnnotation(MyAnnotation.class);\n" +
" MyAnnotation fieldAnnot = getAnnotation(MyAnnotation.class);\n" +
" MyAnnotation packgeAnnot = getAnnotation(MyAnnotation.class);\n" +
" }\n" +
"\n" +
" int field;\n" +
" \n" +
" <U extends Annotation> U getAnnotation(Class<U> annotatedType) {\n" +
" return null;\n" +
" }\n" +
"}\n",
},
"");
}
public void test0640() {
this.runConformTest(
new String[] {
"X.java",
"import java.lang.annotation.Annotation;\n" +
"import java.lang.reflect.*;\n" +
"\n" +
"@interface MyAnnotation {\n" +
"}\n" +
"public class X {\n" +
" void test() throws Exception {\n" +
" Class<?> type = X.class;\n" +
" Method method = type.getMethod(\"test\");\n" +
" Constructor constructor = type.getConstructor();\n" +
" Field field = type.getField(\"field\");\n" +
" Package packge = type.getPackage();\n" +
" MyAnnotation typeAnnot = getAnnotation(MyAnnotation.class);\n" +
" MyAnnotation methodAnnot = getAnnotation(MyAnnotation.class);\n" +
" MyAnnotation constrAnnot = getAnnotation(MyAnnotation.class);\n" +
" MyAnnotation fieldAnnot = getAnnotation(MyAnnotation.class);\n" +
" MyAnnotation packgeAnnot = getAnnotation(MyAnnotation.class);\n" +
" }\n" +
"\n" +
" int field;\n" +
" \n" +
" <U extends Annotation> U getAnnotation(Class<U> annotatedType) {\n" +
" return null;\n" +
" }\n" +
"}\n",
},
"");
}
public void test0641() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.lang.reflect.*;\n" +
"\n" +
"@interface MyAnnotation {\n" +
"}\n" +
"@SuppressWarnings(\"all\")\n" +
"public class X {\n" +
" void test() throws Exception {\n" +
" Class type = X.class;\n" +
" Method method = type.getMethod(\"test\");\n" +
" Constructor constructor = type.getConstructor();\n" +
" Field field = type.getField(\"field\");\n" +
" Package packge = type.getPackage();\n" +
" MyAnnotation typeAnnot = type.getAnnotation(MyAnnotation.class);\n" +
" MyAnnotation methodAnnot = method.getAnnotation(MyAnnotation.class);\n" +
" MyAnnotation constrAnnot = constructor.getAnnotation(MyAnnotation.class);\n" +
" MyAnnotation fieldAnnot = field.getAnnotation(MyAnnotation.class);\n" +
" MyAnnotation packgeAnnot = packge.getAnnotation(MyAnnotation.class);\n" +
" }\n" +
"\n" +
" int field;\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 13)\n" +
" MyAnnotation typeAnnot = type.getAnnotation(MyAnnotation.class);\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Annotation to MyAnnotation\n" +
"----------\n" +
"2. ERROR in X.java (at line 15)\n" +
" MyAnnotation constrAnnot = constructor.getAnnotation(MyAnnotation.class);\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Annotation to MyAnnotation\n" +
"----------\n");
}
public void test0642() {
this.runConformTest(
new String[] {
"X.java",
"import java.lang.reflect.*;\n" +
"\n" +
"@interface MyAnnotation {\n" +
"}\n" +
"@SuppressWarnings(\"all\")\n" +
"public class X {\n" +
" void test() throws Exception {\n" +
" Class<?> type = X.class;\n" +
" Method method = type.getMethod(\"test\");\n" +
" Constructor<?> constructor = type.getConstructor();\n" +
" Field field = type.getField(\"field\");\n" +
" Package packge = type.getPackage();\n" +
" MyAnnotation typeAnnot = type.getAnnotation(MyAnnotation.class);\n" +
" MyAnnotation methodAnnot = method.getAnnotation(MyAnnotation.class);\n" +
" MyAnnotation constrAnnot = constructor.getAnnotation(MyAnnotation.class);\n" +
" MyAnnotation fieldAnnot = field.getAnnotation(MyAnnotation.class);\n" +
" MyAnnotation packgeAnnot = packge.getAnnotation(MyAnnotation.class);\n" +
" }\n" +
"\n" +
" int field;\n" +
"}\n",
},
"");
}
public void test0643() {
this.runConformTest(
new String[] {
"X.java",
"public class X<T> {\n" +
" \n" +
" static <U> U foo(U u) {\n" +
" return u;\n" +
" }\n" +
" \n" +
" void bar(X x) {\n" +
" String str = x.foo(\"hello\");\n" +
" }\n" +
"}\n",
},
"");
}
public void test0644() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T> {\n" +
" \n" +
" <U> U foo(U u) {\n" +
" return u;\n" +
" }\n" +
" \n" +
" void bar(X x) {\n" +
" String str = x.foo(\"hello\");\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 7)\n" +
" void bar(X x) {\n" +
" ^\n" +
"X is a raw type. References to generic type X<T> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 8)\n" +
" String str = x.foo(\"hello\");\n" +
" ^^^^^^^^^^^^^^\n" +
"Type safety: The method foo(Object) belongs to the raw type X. References to generic type X<T> should be parameterized\n" +
"----------\n" +
"3. ERROR in X.java (at line 8)\n" +
" String str = x.foo(\"hello\");\n" +
" ^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Object to String\n" +
"----------\n");
}
public void test0645() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.lang.annotation.Annotation;\n" +
"\n" +
"@interface MyAnnotation {\n" +
"}\n" +
"\n" +
"class X {\n" +
" void bar(XClass<String> arg) {\n" +
" XClass xc = new XClass();\n" +
" String str = xc.getConstructor().getAnnotation(arg);\n" +
" }\n" +
"}\n" +
"\n" +
"class XClass<U> {\n" +
" XConstructor<U> getConstructor() {\n" +
" return null;\n" +
" }\n" +
"}\n" +
"class XConstructor<V> {\n" +
" <W extends Annotation> W getAnnotation(XClass<W> cl) {\n" +
" return null;\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 8)\n" +
" XClass xc = new XClass();\n" +
" ^^^^^^\n" +
"XClass is a raw type. References to generic type XClass<U> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 8)\n" +
" XClass xc = new XClass();\n" +
" ^^^^^^\n" +
"XClass is a raw type. References to generic type XClass<U> should be parameterized\n" +
"----------\n" +
"3. WARNING in X.java (at line 9)\n" +
" String str = xc.getConstructor().getAnnotation(arg);\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: The method getAnnotation(XClass) belongs to the raw type XConstructor. References to generic type XConstructor<V> should be parameterized\n" +
"----------\n" +
"4. ERROR in X.java (at line 9)\n" +
" String str = xc.getConstructor().getAnnotation(arg);\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Annotation to String\n" +
"----------\n");
}
public void test0646() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" public static void main(String[] args) {\n" +
" Outer.Inner inner = new Outer().new Inner();\n" +
" X x = inner.setOuterT(new X());\n" +
" \n" +
" Outer<String>.Inner innerS = inner;\n" +
" }\n" +
"}\n" +
"\n" +
"class Outer<T> {\n" +
" T t;\n" +
" class Inner {\n" +
" T setOuterT(T t1) {\n" +
" t = t1;\n" +
" return t;\n" +
" }\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 3)\n" +
" Outer.Inner inner = new Outer().new Inner();\n" +
" ^^^^^^^^^^^\n" +
"Outer.Inner is a raw type. References to generic type Outer<T>.Inner should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 3)\n" +
" Outer.Inner inner = new Outer().new Inner();\n" +
" ^^^^^\n" +
"Outer is a raw type. References to generic type Outer<T> should be parameterized\n" +
"----------\n" +
"3. WARNING in X.java (at line 3)\n" +
" Outer.Inner inner = new Outer().new Inner();\n" +
" ^^^^^\n" +
"Outer.Inner is a raw type. References to generic type Outer<T>.Inner should be parameterized\n" +
"----------\n" +
"4. WARNING in X.java (at line 4)\n" +
" X x = inner.setOuterT(new X());\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: The method setOuterT(Object) belongs to the raw type Outer.Inner. References to generic type Outer<T>.Inner should be parameterized\n" +
"----------\n" +
"5. ERROR in X.java (at line 4)\n" +
" X x = inner.setOuterT(new X());\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Object to X\n" +
"----------\n" +
"6. WARNING in X.java (at line 6)\n" +
" Outer<String>.Inner innerS = inner;\n" +
" ^^^^^\n" +
"Type safety: The expression of type Outer.Inner needs unchecked conversion to conform to Outer<String>.Inner\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=94644
public void test0647() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" public static void main(String[] args) {\n" +
" Outer.Inner inner = new Outer().new Inner();\n" +
" X x = inner.set(new X());\n" +
" \n" +
" Outer<String>.Inner innerS = inner;\n" +
" }\n" +
"}\n" +
"\n" +
"class Outer<T> {\n" +
" T t;\n" +
" static class Inner<U> {\n" +
" U set(U u) {\n" +
" return u;\n" +
" }\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 3)\n" +
" Outer.Inner inner = new Outer().new Inner();\n" +
" ^^^^^^^^^^^\n" +
"Outer.Inner is a raw type. References to generic type Outer.Inner<U> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 3)\n" +
" Outer.Inner inner = new Outer().new Inner();\n" +
" ^^^^^\n" +
"Outer is a raw type. References to generic type Outer<T> should be parameterized\n" +
"----------\n" +
"3. WARNING in X.java (at line 3)\n" +
" Outer.Inner inner = new Outer().new Inner();\n" +
" ^^^^^\n" +
"Outer.Inner is a raw type. References to generic type Outer.Inner<U> should be parameterized\n" +
"----------\n" +
"4. WARNING in X.java (at line 4)\n" +
" X x = inner.set(new X());\n" +
" ^^^^^^^^^^^^^^^^^^\n" +
"Type safety: The method set(Object) belongs to the raw type Outer.Inner. References to generic type Outer.Inner<U> should be parameterized\n" +
"----------\n" +
"5. ERROR in X.java (at line 4)\n" +
" X x = inner.set(new X());\n" +
" ^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Object to X\n" +
"----------\n" +
"6. ERROR in X.java (at line 6)\n" +
" Outer<String>.Inner innerS = inner;\n" +
" ^^^^^^^^^^^^^^^^^^^\n" +
"The member type Outer.Inner<U> cannot be qualified with a parameterized type, since it is static. Remove arguments from qualifying type Outer<String>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=94644 - variation
public void test0648() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" void foo() {\n" +
" Outer.Inner inner = new Sub().get();\n" +
" }\n" +
" Zork z;\n" +
"}\n" +
"class Outer<T> {\n" +
" class Inner<U> {\n" +
" }\n" +
"}\n" +
"class Sub extends Outer {\n" +
" Inner get() { return null; }\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 3)\n" +
" Outer.Inner inner = new Sub().get();\n" +
" ^^^^^^^^^^^\n" +
"Outer.Inner is a raw type. References to generic type Outer<T>.Inner<U> should be parameterized\n" +
"----------\n" +
"2. ERROR in X.java (at line 5)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n" +
"3. WARNING in X.java (at line 11)\n" +
" class Sub extends Outer {\n" +
" ^^^^^\n" +
"Outer is a raw type. References to generic type Outer<T> should be parameterized\n" +
"----------\n" +
"4. WARNING in X.java (at line 12)\n" +
" Inner get() { return null; }\n" +
" ^^^^^\n" +
"Outer.Inner is a raw type. References to generic type Outer<T>.Inner<U> should be parameterized\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=94644 - variation
public void test0649() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" void foo() {\n" +
" Outer<String>.Inner inner = new Sub().get();\n" +
" }\n" +
" Zork z;\n" +
"}\n" +
"class Outer<T> {\n" +
" class Inner {\n" +
" }\n" +
"}\n" +
"class Sub extends Outer {\n" +
" Inner get() { return null; }\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 3)\n" +
" Outer<String>.Inner inner = new Sub().get();\n" +
" ^^^^^^^^^^^^^^^\n" +
"Type safety: The expression of type Outer.Inner needs unchecked conversion to conform to Outer<String>.Inner\n" +
"----------\n" +
"2. ERROR in X.java (at line 5)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n" +
"3. WARNING in X.java (at line 11)\n" +
" class Sub extends Outer {\n" +
" ^^^^^\n" +
"Outer is a raw type. References to generic type Outer<T> should be parameterized\n" +
"----------\n" +
"4. WARNING in X.java (at line 12)\n" +
" Inner get() { return null; }\n" +
" ^^^^^\n" +
"Outer.Inner is a raw type. References to generic type Outer<T>.Inner should be parameterized\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=89440
public void test0650() {
this.runConformTest(
new String[] {
"p/A.java",
"package p;\n" +
"\n" +
"public interface A<V> {\n" +
" public static enum Stuff {\n" +
" FIRST, SECOND, THIRD\n" +
" };\n" +
"}",
},
"");
this.runConformTest(
new String[] {
"q/SampleClass2.java",
"package q;\n" +
"\n" +
"import p.A.Stuff;\n" +
"\n" +
"public class SampleClass2 {\n" +
" public void doSomething(Stuff thing) {\n" +
" \n" +
" }\n" +
"}"
},
"",
null,
false,
null);
this.runConformTest(
new String[] {
"q/SampleClass3.java",
"package q;\n" +
"\n" +
"import p.A;\n" +
"\n" +
"public class SampleClass3 {\n" +
" public void doSomething() {\n" +
" SampleClass2 sample = new SampleClass2();\n" +
" sample.doSomething(A.Stuff.FIRST);\n" +
" }\n" +
"}",
},
"",
null,
false,
null);
}
public void test0651() {
runConformTest(
new String[] {
"X.java",
"public class X<U> {\n" +
"\n" +
" int field;\n" +
" static int FIELD;\n" +
"\n" +
" {\n" +
" field = 1;\n" +
" }\n" +
" static {\n" +
" FIELD = 1;\n" +
" }\n" +
"\n" +
" public Values<U> foo(Box<? extends U> box) {\n" +
" return selectedValues(box.getValues()); // 1\n" +
" }\n" +
" public static <G> Values<G> selectedValues(Values<? extends G> v) {\n" +
" return null;\n" +
" }\n" +
"}\n" +
"abstract class Box<V extends java.io.Serializable> { // Added bound for V\n" +
" abstract Values<V> getValues();\n" +
"}\n" +
"abstract class Values<T> {\n" +
"}\n",
},
JavacTestOptions.EclipseHasABug.EclipseBug236217);
}
public void test0652() {
this.runConformTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"\n" +
"public class X {\n" +
" public static void main(String[] args) {\n" +
" Collection<?> c = new HashSet<String>();\n" +
" Set<?> s = (Set<?>)c;\n" +
" }\n" +
"}\n",
},
"");
}
public void test0653() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"\n" +
"public class X {\n" +
" static public <T extends Collection> void workaround(T a, T b) {\n" +
" a.addAll(b);\n" +
" }\n" +
" Zork z;\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 4)\n" +
" static public <T extends Collection> void workaround(T a, T b) {\n" +
" ^^^^^^^^^^\n" +
"Collection is a raw type. References to generic type Collection<E> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 5)\n" +
" a.addAll(b);\n" +
" ^^^^^^^^^^^\n" +
"Type safety: The method addAll(Collection) belongs to the raw type Collection. References to generic type Collection<E> should be parameterized\n" +
"----------\n" +
"3. ERROR in X.java (at line 7)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
public void test0654() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"\n" +
"public class X {\n" +
" public static void main(String[] args) {\n" +
" Map myMap = new HashMap();\n" +
" myMap.put(\"key1\", \"1\");\n" +
"\n" +
" for (Map.Entry e : myMap.entrySet())\n" +
" System.out.println(\"Key = \" + e.getKey() + \" Value = \" + e.getValue());\n" +
" Set<Map.Entry> set = myMap.entrySet();\n" +
" for (Map.Entry e : set)\n" +
" System.out.println(\"Key = \" + e.getKey() + \" Value = \" + e.getValue());\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 5)\n" +
" Map myMap = new HashMap();\n" +
" ^^^\n" +
"Map is a raw type. References to generic type Map<K,V> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 5)\n" +
" Map myMap = new HashMap();\n" +
" ^^^^^^^\n" +
"HashMap is a raw type. References to generic type HashMap<K,V> should be parameterized\n" +
"----------\n" +
"3. WARNING in X.java (at line 6)\n" +
" myMap.put(\"key1\", \"1\");\n" +
" ^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: The method put(Object, Object) belongs to the raw type Map. References to generic type Map<K,V> should be parameterized\n" +
"----------\n" +
"4. WARNING in X.java (at line 8)\n" +
" for (Map.Entry e : myMap.entrySet())\n" +
" ^^^^^^^^^\n" +
"Map.Entry is a raw type. References to generic type Map.Entry<K,V> should be parameterized\n" +
"----------\n" +
"5. ERROR in X.java (at line 8)\n" +
" for (Map.Entry e : myMap.entrySet())\n" +
" ^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from element type Object to Map.Entry\n" +
"----------\n" +
"6. WARNING in X.java (at line 10)\n" +
" Set<Map.Entry> set = myMap.entrySet();\n" +
" ^^^^^^^^^\n" +
"Map.Entry is a raw type. References to generic type Map.Entry<K,V> should be parameterized\n" +
"----------\n" +
"7. WARNING in X.java (at line 10)\n" +
" Set<Map.Entry> set = myMap.entrySet();\n" +
" ^^^^^^^^^^^^^^^^\n" +
"Type safety: The expression of type Set needs unchecked conversion to conform to Set<Map.Entry>\n" +
"----------\n" +
"8. WARNING in X.java (at line 11)\n" +
" for (Map.Entry e : set)\n" +
" ^^^^^^^^^\n" +
"Map.Entry is a raw type. References to generic type Map.Entry<K,V> should be parameterized\n" +
"----------\n");
}
// **
public void test0655() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" static class BB<T, S> { }\n" +
" static class BD<T> extends BB<T, T> { }\n" +
" void f() {\n" +
" BB<? extends Number, ? super Integer> bb = null;\n" +
" Object o = (BD<Number>) bb;\n" +
" }\n" +
" Zork z;\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 6)\n" +
" Object o = (BD<Number>) bb;\n" +
" ^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from X.BB<capture#1-of ? extends Number,capture#2-of ? super Integer> to X.BD<Number>\n" +
"----------\n" +
"2. WARNING in X.java (at line 6)\n" +
" Object o = (BD<Number>) bb;\n" +
" ^^^^^^^^^^^^^^^\n" +
"Unnecessary cast from X.BB<capture#1-of ? extends Number,capture#2-of ? super Integer> to X.BD<Number>\n" +
"----------\n" +
"3. ERROR in X.java (at line 8)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
public void test0656() {
this.runConformTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"\n" +
"public class X {\n" +
" protected Vector<String> v = null;\n" +
"\n" +
" public void f() {\n" +
" ((String) (v.elementAt(0))).charAt(0);\n" +
" }\n" +
"\n" +
" public static void main(String[] args) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
"}\n",
},
"SUCCESS");
}
public void test0657() {
this.runConformTest(
new String[] {
"X.java",
"public class X{\n" +
" \n" +
" private static class GenericWrapper<Elem> {\n" +
" private Elem theObject;\n" +
" public GenericWrapper(Elem arg) {\n" +
" theObject = arg;\n" +
" }\n" +
" public <T extends Elem> GenericWrapper (GenericWrapper<T> other) {\n" +
" this.theObject = other.theObject;\n" +
" }\n" +
" public String toString() {\n" +
" return theObject.toString();\n" +
" }\n" +
" }\n" +
" private static GenericWrapper<String> method (Object wrappedString) {\n" +
" return (GenericWrapper<String>) wrappedString;\n" +
" }\n" +
"\n" +
" public static void main(String[] args) {\n" +
" System.out.print(method(new GenericWrapper<String>(\"abc\")));\n" +
" System.out.println(method(new GenericWrapper<Exception>(new Exception())));\n" +
" }\n" +
"}\n",
},
"abcjava.lang.Exception");
}
public void test0658() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X{\n" +
" \n" +
" private static class GenericWrapper<Elem> {\n" +
" Zork z;\n" +
" private Elem theObject;\n" +
" public GenericWrapper(Elem arg) {\n" +
" theObject = arg;\n" +
" }\n" +
" public <T extends Elem> GenericWrapper (GenericWrapper<T> other) {\n" +
" this.theObject = other.theObject;\n" +
" }\n" +
" public String toString() {\n" +
" return theObject.toString();\n" +
" }\n" +
" }\n" +
" private static GenericWrapper<String> method (Object wrappedString) {\n" +
" return (GenericWrapper<String>) wrappedString;\n" +
" }\n" +
"\n" +
" public static void main(String[] args) {\n" +
" System.out.print(method(new GenericWrapper<String>(\"abc\")));\n" +
" System.out.println(method(new GenericWrapper<Exception>(new Exception())));\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n" +
"2. WARNING in X.java (at line 12)\n" +
" public String toString() {\n" +
" ^^^^^^^^^^\n" +
"The method toString() of type X.GenericWrapper<Elem> should be tagged with @Override since it actually overrides a superclass method\n" +
"----------\n" +
"3. WARNING in X.java (at line 17)\n" +
" return (GenericWrapper<String>) wrappedString;\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from Object to X.GenericWrapper<String>\n" +
"----------\n");
}
public void test0659() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.lang.ref.*;\n" +
"\n" +
"@SuppressWarnings(\"unused\")\n" +
"public class X<K, V> extends WeakReference<V> {\n" +
" Zork z;\n" +
" static ReferenceQueue<Integer> queue = new ReferenceQueue<Integer>();\n" +
"\n" +
" private K key;\n" +
"\n" +
" public X(K key, V value, ReferenceQueue<V> queue) {\n" +
" super(value, queue);\n" +
" }\n" +
"\n" +
" public K getKey() {\n" +
" return key;\n" +
" }\n" +
" @Override\n" +
" public String toString() {\n" +
" return \"key:\" + key;\n" +
" }\n" +
"\n" +
" public static void main(String[] arg) throws Exception {\n" +
" X<String, Integer> ref = new X<String, Integer>(\"Dummy Key\", new Integer(5), queue);\n" +
" new Thread() {\n" +
" @Override\n" +
" public void run() {\n" +
" for (;;) {\n" +
" // force ref to be cleared\n" +
" System.gc();\n" +
" }\n" +
" }\n" +
" }.start();\n" +
"\n" +
" X<String, Integer> fromQueue = (X<String, Integer>) queue.remove();\n" +
" System.out.println(fromQueue);\n" +
" System.exit(0);\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 5)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n" +
"2. WARNING in X.java (at line 34)\n" +
" X<String, Integer> fromQueue = (X<String, Integer>) queue.remove();\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from Reference<capture#1-of ? extends Integer> to X<String,Integer>\n" +
"----------\n");
}
public void test0660() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
"\n" +
" boolean run(X x) {\n" +
" return false;\n" +
" }\n" +
" <T> void run(Class<T> ct) {\n" +
" }\n" +
"\n" +
" public static void main(String[] args) {\n" +
" boolean b = new X().run(new X(){});\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
"}\n",
},
"SUCCESS");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=95066
public void test0661() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<S extends Comparable<S>> {\n" +
" public X() {\n" +
" S a = (S)(Integer)3;\n" +
" }\n" +
" Zork z;\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 3)\n" +
" S a = (S)(Integer)3;\n" +
" ^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from Integer to S\n" +
"----------\n" +
"2. ERROR in X.java (at line 5)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=95066 - variation
public void test0662() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<S extends Comparable<String>> {\n" +
" public X() {\n" +
" S a = (S)(Integer)3; // this should fail\n" +
" }\n" +
" Zork z;\n" +
"}",
},
"----------\n" +
"1. ERROR in X.java (at line 3)\n" +
" S a = (S)(Integer)3; // this should fail\n" +
" ^^^^^^^^^^^^^\n" +
"Cannot cast from Integer to S\n" +
"----------\n" +
"2. ERROR in X.java (at line 5)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=95066 - variation
public void test0663() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.List;\n" +
"\n" +
"public class X {\n" +
" Object foo(Comparable<Integer> c) {\n" +
" return (Comparable<S>) c;\n" +
" }\n" +
" <U extends Throwable, V extends Runnable> void foo(List<V> lv) {\n" +
" List l = (List<U>) lv;\n" +
" }\n" +
" <U extends Throwable, V extends Runnable> void foo2(List<List<V>> lv) {\n" +
" List l = (List<List<U>>) lv;\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 5)\n" +
" return (Comparable<S>) c;\n" +
" ^\n" +
"S cannot be resolved to a type\n" +
"----------\n" +
"2. WARNING in X.java (at line 8)\n" +
" List l = (List<U>) lv;\n" +
" ^^^^\n" +
"List is a raw type. References to generic type List<E> should be parameterized\n" +
"----------\n" +
"3. WARNING in X.java (at line 8)\n" +
" List l = (List<U>) lv;\n" +
" ^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from List<V> to List<U>\n" +
"----------\n" +
"4. WARNING in X.java (at line 8)\n" +
" List l = (List<U>) lv;\n" +
" ^^^^^^^^^^^^\n" +
"Unnecessary cast from List<V> to List<U>\n" +
"----------\n" +
"5. WARNING in X.java (at line 11)\n" +
" List l = (List<List<U>>) lv;\n" +
" ^^^^\n" +
"List is a raw type. References to generic type List<E> should be parameterized\n" +
"----------\n" +
"6. ERROR in X.java (at line 11)\n" +
" List l = (List<List<U>>) lv;\n" +
" ^^^^^^^^^^^^^^^^^^\n" +
"Cannot cast from List<List<V>> to List<List<U>>\n" +
"----------\n" +
"7. WARNING in X.java (at line 11)\n" +
" List l = (List<List<U>>) lv;\n" +
" ^^^^^^^^^^^^^^^^^^\n" +
"Unnecessary cast from List<List<V>> to List<List<U>>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=95066 - variation
public void test0664() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<S extends Comparable<String>> {\n" +
" public X(X2 x2) {\n" +
" S a = (S)x2;\n" +
" }\n" +
"}\n" +
"abstract class X2 implements Comparable<X2> {\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 3)\n" +
" S a = (S)x2;\n" +
" ^^^^^\n" +
"Cannot cast from X2 to S\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=95066 - variation
public void test0665() {
this.runNegativeTest(
new String[] {
"Test.java",
"public class Test<S> {\n" +
" void foo() {\n" +
" A a = new A();\n" +
" Comparable<Object> c = (Comparable<Object>) a; // Fails as expected\n" +
" Comparable<S> c2 = (Comparable<S>) a; // Should fail?\n" +
" }\n" +
"\n" +
"}\n" +
"\n" +
"final class A implements Comparable<A> {\n" +
" public int compareTo(A o) {\n" +
" return 0;\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in Test.java (at line 4)\n" +
" Comparable<Object> c = (Comparable<Object>) a; // Fails as expected\n" +
" ^^^^^^^^^^^^^^^^^^^^^^\n" +
"Cannot cast from A to Comparable<Object>\n" +
"----------\n" +
"2. WARNING in Test.java (at line 5)\n" +
" Comparable<S> c2 = (Comparable<S>) a; // Should fail?\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from A to Comparable<S>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=89940
public void test0666() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.List;\n" +
"\n" +
"public class X {\n" +
" void foo(List<Object> objects, List raw) {\n" +
"\n" +
" List<Number> numbers;\n" +
" List<? extends Number> ext;\n" +
" \n" +
" numbers= (List<Number>) objects; // correct - cast error\n" +
" ext= (List<? extends Number>) objects; // wrong, should fail\n" +
"\n" +
" ext= raw; // correct - raw conversion warning issued\n" +
" numbers= raw; // correct - raw conversion warning issued\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 4)\n" +
" void foo(List<Object> objects, List raw) {\n" +
" ^^^^\n" +
"List is a raw type. References to generic type List<E> should be parameterized\n" +
"----------\n" +
"2. ERROR in X.java (at line 9)\n" +
" numbers= (List<Number>) objects; // correct - cast error\n" +
" ^^^^^^^^^^^^^^^^^^^^^^\n" +
"Cannot cast from List<Object> to List<Number>\n" +
"----------\n" +
"3. ERROR in X.java (at line 10)\n" +
" ext= (List<? extends Number>) objects; // wrong, should fail\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Cannot cast from List<Object> to List<? extends Number>\n" +
"----------\n" +
"4. WARNING in X.java (at line 12)\n" +
" ext= raw; // correct - raw conversion warning issued\n" +
" ^^^\n" +
"Type safety: The expression of type List needs unchecked conversion to conform to List<? extends Number>\n" +
"----------\n" +
"5. WARNING in X.java (at line 13)\n" +
" numbers= raw; // correct - raw conversion warning issued\n" +
" ^^^\n" +
"Type safety: The expression of type List needs unchecked conversion to conform to List<Number>\n" +
"----------\n");
}
public void _test0667() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"\n" +
"public class X {\n" +
" public static void foo(List<? super Object[]> l) { }\n" +
" \n" +
" public static void foo2(List<Object[]> l) { }\n" +
" \n" +
" public static void foo3(List<? extends Object[]> l) { }\n" +
" \n" +
" public static void bar(List<? super Object> l) { }\n" +
" \n" +
" public static void bar2(List<Object> l) { }\n" +
" \n" +
" public static void bar3(List<? extends Object> l) { }\n" +
" \n" +
" public static void bar4(List<?> l) { }\n" +
" \n" +
" public static void main(String[] args) {\n" +
" { // can be { Object, Object[] }\n" +
" List<? super Object[]> l = new ArrayList<Object[]>();\n" +
" l.add(l.get(0)); // illegal [01]\n" +
" l.add((Object) null); // illegal [02]\n" +
" l.add((Integer) null); // illegal [03]\n" +
" l.add((Object []) null); // illegal [04]\n" +
" l.add((Integer []) null); // illegal [05]\n" +
" l.add((Integer [][]) null); // illegal [06]\n" +
" \n" +
" foo(l); // List<? super Object[]> - legal [07]\n" +
" foo2(l); // List<Object[]> - illegal [08]\n" +
" foo3(l); // List<? extends Object[]> - illegal [09]\n" +
" bar(l); // List<? super Object> - illegal [10]\n" +
" bar2(l); // List<Object> - illegal [11]\n" +
" bar3(l); // List<? extends Object> - legal [12]\n" +
" bar4(l); // List<?> - legal [13]\n" +
" }\n" +
" { // can be Object[] or (? extends Object)[]\n" +
" List<Object[]> l = new ArrayList<Object[]>();\n" +
" l.add(l.get(0)); // legal [14]\n" +
" l.add((Object) null); // illegal [15]\n" +
" l.add((Integer) null); // illegal [16]\n" +
" l.add((Object []) null); // legal [17]\n" +
" l.add((Integer []) null); // legal [18]\n" +
" l.add((Integer [][]) null); // legal [19]\n" +
" \n" +
" foo(l); // List<? super Object[]> - legal [20]\n" +
" foo2(l); // List<Object[]> - legal [21]\n" +
" foo3(l); // List<? extends Object[]> - legal [22]\n" +
" bar(l); // List<? super Object> - illegal [23]\n" +
" bar2(l); // List<Object> - illegal [24]\n" +
" bar3(l); // List<? extends Object> - legal [25]\n" +
" bar4(l); // List<?> - legal [26]\n" +
" }\n" +
" { // Only allows wildcards, Object is illegal.\n" +
" List<? extends Object[]> l = new ArrayList<Object[]>();\n" +
" l.add(l.get(0)); // illegal [27]\n" +
" l.add((Object) null); // illegal [28]\n" +
" l.add((Integer) null); // illegal [29]\n" +
" l.add((Object []) null); // illegal [30]\n" +
" l.add((Integer []) null); // illegal [31]\n" +
" l.add((Integer [][]) null); // illegal [32]\n" +
" \n" +
" foo(l); // List<? super Object[]> - illegal [33]\n" +
" foo2(l); // List<Object[]> - illegal [34]\n" +
" foo3(l); // List<? extends Object[]> - legal [35]\n" +
" bar(l); // List<? super Object> - illegal [36]\n" +
" bar2(l); // List<Object> - illegal [37]\n" +
" bar3(l); // List<? extends Object> - legal [38]\n" +
" bar4(l); // List<?> - legal [39]\n" +
" }\n" +
" { // can add non-arrays but can only match ? super Object, ? super Object[], or ? extends Object, but not Object \n" +
" List<? super Object> l = new ArrayList<Object>();\n" +
" l.add(l.get(0)); // legal [40]\n" +
" l.add((Object) null); // legal [41]\n" +
" l.add((Integer) null); // legal [42]\n" +
" l.add((Object []) null); // illegal [43]\n" +
" l.add((Integer []) null); // illegal [44]\n" +
" l.add((Integer [][]) null); // illegal [45]\n" +
" \n" +
" foo(l); // legal [46]\n" +
" foo2(l); // illegal [47]\n" +
" foo3(l); // illegal [48]\n" +
" bar(l); // legal [49]\n" +
" bar2(l); // illegal [50]\n" +
" bar3(l); // legal [51]\n" +
" bar4(l); // legal [52]\n" +
" }\n" +
" { // can add array but cannot call a method which expects an array. 100% !\n" +
" List<Object> l = new ArrayList<Object>();\n" +
" l.get(0).toString();\n" +
" l.add(l.get(0)); // legal [53]\n" +
" l.add((Object) null); // legal [54]\n" +
" l.add((Integer) null); // legal [55]\n" +
" l.add((Object []) null); // legal [56]\n" +
" l.add((Integer []) null); // legal [57]\n" +
" l.add((Integer [][]) null); // legal [58]\n" +
" \n" +
" foo(l); // legal [59]\n" +
" foo2(l); // illegal [60]\n" +
" foo3(l); // illegal [61]\n" +
" bar(l); // legal [62]\n" +
" bar2(l); // legal [63]\n" +
" bar3(l); // legal [64]\n" +
" bar4(l); // legal [65]\n" +
" }\n" +
" { // cannot add any type but can match ? or ? extends Object.\n" +
" List<? extends Object> l = new ArrayList<Object>();\n" +
" l.add(l.get(0)); // illegal [66]\n" +
" l.add((Object) null); // illegal [67]\n" +
" l.add((Integer) null); // illegal [68]\n" +
" l.add((Object []) null); // illegal [69]\n" +
" l.add((Integer []) null); // illegal [70]\n" +
" l.add((Integer [][]) null); // illegal [71]\n" +
" \n" +
" foo(l); // List<? super Object[]> - illegal [72]\n" +
" foo2(l); // List<Object[]> - illegal [73]\n" +
" foo3(l); // List<? extends Object[]> - illegal [74]\n" +
" bar(l); // List<? super Object> - illegal [75]\n" +
" bar2(l); // List<Object> - illegal [76]\n" +
" bar3(l); // List<? extends Object> - legal [77]\n" +
" bar4(l); // List<?> - legal [78]\n" +
" }\n" +
" { // same as ? extends Object.\n" +
" List<?> l = new ArrayList<Object>();\n" +
" l.add(l.get(0)); // illegal [79]\n" +
" l.add((Object) null); // illegal [80]\n" +
" l.add((Integer) null); // illegal [81]\n" +
" l.add((Object []) null); // illegal [82]\n" +
" l.add((Integer []) null); // illegal [83]\n" +
" l.add((Integer [][]) null); // illegal [84]\n" +
" \n" +
" foo(l); // List<? super Object[]> - illegal [85]\n" +
" foo2(l); // List<Object[]> - illegal [86]\n" +
" foo3(l); // List<? extends Object[]> - illegal [87]\n" +
" bar(l); // List<? super Object> - illegal [88]\n" +
" bar2(l); // List<Object> - illegal [89]\n" +
" bar3(l); // List<? extends Object> - legal [90]\n" +
" bar4(l); // List<?> - legal [91]\n" +
" }\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 21)\n" +
" l.add(l.get(0)); // illegal [01]\n" +
" ^^^\n" +
"The method add(capture-of ? super Object[]) in the type List<capture-of ? super Object[]> is not applicable for the arguments (capture-of ? super Object[])\n" +
"----------\n" +
"2. ERROR in X.java (at line 22)\n" +
" l.add((Object) null); // illegal [02]\n" +
" ^^^\n" +
"The method add(capture-of ? super Object[]) in the type List<capture-of ? super Object[]> is not applicable for the arguments (Object)\n" +
"----------\n" +
"3. ERROR in X.java (at line 23)\n" +
" l.add((Integer) null); // illegal [03]\n" +
" ^^^\n" +
"The method add(capture-of ? super Object[]) in the type List<capture-of ? super Object[]> is not applicable for the arguments (Integer)\n" +
"----------\n" +
"4. ERROR in X.java (at line 24)\n" +
" l.add((Object []) null); // illegal [04]\n" +
" ^^^\n" +
"The method add(capture-of ? super Object[]) in the type List<capture-of ? super Object[]> is not applicable for the arguments (Object[])\n" +
"----------\n" +
"5. ERROR in X.java (at line 25)\n" +
" l.add((Integer []) null); // illegal [05]\n" +
" ^^^\n" +
"The method add(capture-of ? super Object[]) in the type List<capture-of ? super Object[]> is not applicable for the arguments (Integer[])\n" +
"----------\n" +
"6. ERROR in X.java (at line 26)\n" +
" l.add((Integer [][]) null); // illegal [06]\n" +
" ^^^\n" +
"The method add(capture-of ? super Object[]) in the type List<capture-of ? super Object[]> is not applicable for the arguments (Integer[][])\n" +
"----------\n" +
"7. ERROR in X.java (at line 28)\n" +
" foo(l); // List<? super Object[]> - legal [07]\n" +
" ^^^\n" +
"The method foo(List<? super Object[]>) in the type X is not applicable for the arguments (List<capture-of ? super Object[]>)\n" +
"----------\n" +
"8. ERROR in X.java (at line 29)\n" +
" foo2(l); // List<Object[]> - illegal [08]\n" +
" ^^^^\n" +
"The method foo2(List<Object[]>) in the type X is not applicable for the arguments (List<capture-of ? super Object[]>)\n" +
"----------\n" +
"9. ERROR in X.java (at line 30)\n" +
" foo3(l); // List<? extends Object[]> - illegal [09]\n" +
" ^^^^\n" +
"The method foo3(List<? extends Object[]>) in the type X is not applicable for the arguments (List<capture-of ? super Object[]>)\n" +
"----------\n" +
"10. ERROR in X.java (at line 31)\n" +
" bar(l); // List<? super Object> - illegal [10]\n" +
" ^^^\n" +
"The method bar(List<? super Object>) in the type X is not applicable for the arguments (List<capture-of ? super Object[]>)\n" +
"----------\n" +
"11. ERROR in X.java (at line 32)\n" +
" bar2(l); // List<Object> - illegal [11]\n" +
" ^^^^\n" +
"The method bar2(List<Object>) in the type X is not applicable for the arguments (List<capture-of ? super Object[]>)\n" +
"----------\n" +
"12. ERROR in X.java (at line 39)\n" +
" l.add((Object) null); // illegal [15]\n" +
" ^^^\n" +
"The method add(Object[]) in the type List<Object[]> is not applicable for the arguments (Object)\n" +
"----------\n" +
"13. ERROR in X.java (at line 40)\n" +
" l.add((Integer) null); // illegal [16]\n" +
" ^^^\n" +
"The method add(Object[]) in the type List<Object[]> is not applicable for the arguments (Integer)\n" +
"----------\n" +
"14. ERROR in X.java (at line 48)\n" +
" bar(l); // List<? super Object> - illegal [23]\n" +
" ^^^\n" +
"The method bar(List<? super Object>) in the type X is not applicable for the arguments (List<Object[]>)\n" +
"----------\n" +
"15. ERROR in X.java (at line 49)\n" +
" bar2(l); // List<Object> - illegal [24]\n" +
" ^^^^\n" +
"The method bar2(List<Object>) in the type X is not applicable for the arguments (List<Object[]>)\n" +
"----------\n" +
"16. ERROR in X.java (at line 55)\n" +
" l.add(l.get(0)); // illegal [27]\n" +
" ^^^\n" +
"The method add(capture-of ? extends Object[]) in the type List<capture-of ? extends Object[]> is not applicable for the arguments (capture-of ? extends Object[])\n" +
"----------\n" +
"17. ERROR in X.java (at line 56)\n" +
" l.add((Object) null); // illegal [28]\n" +
" ^^^\n" +
"The method add(capture-of ? extends Object[]) in the type List<capture-of ? extends Object[]> is not applicable for the arguments (Object)\n" +
"----------\n" +
"18. ERROR in X.java (at line 57)\n" +
" l.add((Integer) null); // illegal [29]\n" +
" ^^^\n" +
"The method add(capture-of ? extends Object[]) in the type List<capture-of ? extends Object[]> is not applicable for the arguments (Integer)\n" +
"----------\n" +
"19. ERROR in X.java (at line 58)\n" +
" l.add((Object []) null); // illegal [30]\n" +
" ^^^\n" +
"The method add(capture-of ? extends Object[]) in the type List<capture-of ? extends Object[]> is not applicable for the arguments (Object[])\n" +
"----------\n" +
"20. ERROR in X.java (at line 59)\n" +
" l.add((Integer []) null); // illegal [31]\n" +
" ^^^\n" +
"The method add(capture-of ? extends Object[]) in the type List<capture-of ? extends Object[]> is not applicable for the arguments (Integer[])\n" +
"----------\n" +
"21. ERROR in X.java (at line 60)\n" +
" l.add((Integer [][]) null); // illegal [32]\n" +
" ^^^\n" +
"The method add(capture-of ? extends Object[]) in the type List<capture-of ? extends Object[]> is not applicable for the arguments (Integer[][])\n" +
"----------\n" +
"22. ERROR in X.java (at line 62)\n" +
" foo(l); // List<? super Object[]> - illegal [33]\n" +
" ^^^\n" +
"The method foo(List<? super Object[]>) in the type X is not applicable for the arguments (List<capture-of ? extends Object[]>)\n" +
"----------\n" +
"23. ERROR in X.java (at line 63)\n" +
" foo2(l); // List<Object[]> - illegal [34]\n" +
" ^^^^\n" +
"The method foo2(List<Object[]>) in the type X is not applicable for the arguments (List<capture-of ? extends Object[]>)\n" +
"----------\n" +
"24. ERROR in X.java (at line 65)\n" +
" bar(l); // List<? super Object> - illegal [36]\n" +
" ^^^\n" +
"The method bar(List<? super Object>) in the type X is not applicable for the arguments (List<capture-of ? extends Object[]>)\n" +
"----------\n" +
"25. ERROR in X.java (at line 66)\n" +
" bar2(l); // List<Object> - illegal [37]\n" +
" ^^^^\n" +
"The method bar2(List<Object>) in the type X is not applicable for the arguments (List<capture-of ? extends Object[]>)\n" +
"----------\n" +
"26. ERROR in X.java (at line 75)\n" +
" l.add((Object []) null); // illegal [43]\n" +
" ^^^\n" +
"The method add(capture-of ? super Object) in the type List<capture-of ? super Object> is not applicable for the arguments (Object[])\n" +
"----------\n" +
"27. ERROR in X.java (at line 76)\n" +
" l.add((Integer []) null); // illegal [44]\n" +
" ^^^\n" +
"The method add(capture-of ? super Object) in the type List<capture-of ? super Object> is not applicable for the arguments (Integer[])\n" +
"----------\n" +
"28. ERROR in X.java (at line 77)\n" +
" l.add((Integer [][]) null); // illegal [45]\n" +
" ^^^\n" +
"The method add(capture-of ? super Object) in the type List<capture-of ? super Object> is not applicable for the arguments (Integer[][])\n" +
"----------\n" +
"29. ERROR in X.java (at line 79)\n" +
" foo(l); // legal [46]\n" +
" ^^^\n" +
"The method foo(List<? super Object[]>) in the type X is not applicable for the arguments (List<capture-of ? super Object>)\n" +
"----------\n" +
"30. ERROR in X.java (at line 80)\n" +
" foo2(l); // illegal [47]\n" +
" ^^^^\n" +
"The method foo2(List<Object[]>) in the type X is not applicable for the arguments (List<capture-of ? super Object>)\n" +
"----------\n" +
"31. ERROR in X.java (at line 81)\n" +
" foo3(l); // illegal [48]\n" +
" ^^^^\n" +
"The method foo3(List<? extends Object[]>) in the type X is not applicable for the arguments (List<capture-of ? super Object>)\n" +
"----------\n" +
"32. ERROR in X.java (at line 83)\n" +
" bar2(l); // illegal [50]\n" +
" ^^^^\n" +
"The method bar2(List<Object>) in the type X is not applicable for the arguments (List<capture-of ? super Object>)\n" +
"----------\n" +
"33. ERROR in X.java (at line 98)\n" +
" foo2(l); // illegal [60]\n" +
" ^^^^\n" +
"The method foo2(List<Object[]>) in the type X is not applicable for the arguments (List<Object>)\n" +
"----------\n" +
"34. ERROR in X.java (at line 99)\n" +
" foo3(l); // illegal [61]\n" +
" ^^^^\n" +
"The method foo3(List<? extends Object[]>) in the type X is not applicable for the arguments (List<Object>)\n" +
"----------\n" +
"35. ERROR in X.java (at line 107)\n" +
" l.add(l.get(0)); // illegal [66]\n" +
" ^^^\n" +
"The method add(capture-of ? extends Object) in the type List<capture-of ? extends Object> is not applicable for the arguments (capture-of ? extends Object)\n" +
"----------\n" +
"36. ERROR in X.java (at line 108)\n" +
" l.add((Object) null); // illegal [67]\n" +
" ^^^\n" +
"The method add(capture-of ? extends Object) in the type List<capture-of ? extends Object> is not applicable for the arguments (Object)\n" +
"----------\n" +
"37. ERROR in X.java (at line 109)\n" +
" l.add((Integer) null); // illegal [68]\n" +
" ^^^\n" +
"The method add(capture-of ? extends Object) in the type List<capture-of ? extends Object> is not applicable for the arguments (Integer)\n" +
"----------\n" +
"38. ERROR in X.java (at line 110)\n" +
" l.add((Object []) null); // illegal [69]\n" +
" ^^^\n" +
"The method add(capture-of ? extends Object) in the type List<capture-of ? extends Object> is not applicable for the arguments (Object[])\n" +
"----------\n" +
"39. ERROR in X.java (at line 111)\n" +
" l.add((Integer []) null); // illegal [70]\n" +
" ^^^\n" +
"The method add(capture-of ? extends Object) in the type List<capture-of ? extends Object> is not applicable for the arguments (Integer[])\n" +
"----------\n" +
"40. ERROR in X.java (at line 112)\n" +
" l.add((Integer [][]) null); // illegal [71]\n" +
" ^^^\n" +
"The method add(capture-of ? extends Object) in the type List<capture-of ? extends Object> is not applicable for the arguments (Integer[][])\n" +
"----------\n" +
"41. ERROR in X.java (at line 114)\n" +
" foo(l); // List<? super Object[]> - illegal [72]\n" +
" ^^^\n" +
"The method foo(List<? super Object[]>) in the type X is not applicable for the arguments (List<capture-of ? extends Object>)\n" +
"----------\n" +
"42. ERROR in X.java (at line 115)\n" +
" foo2(l); // List<Object[]> - illegal [73]\n" +
" ^^^^\n" +
"The method foo2(List<Object[]>) in the type X is not applicable for the arguments (List<capture-of ? extends Object>)\n" +
"----------\n" +
"43. ERROR in X.java (at line 116)\n" +
" foo3(l); // List<? extends Object[]> - illegal [74]\n" +
" ^^^^\n" +
"The method foo3(List<? extends Object[]>) in the type X is not applicable for the arguments (List<capture-of ? extends Object>)\n" +
"----------\n" +
"44. ERROR in X.java (at line 117)\n" +
" bar(l); // List<? super Object> - illegal [75]\n" +
" ^^^\n" +
"The method bar(List<? super Object>) in the type X is not applicable for the arguments (List<capture-of ? extends Object>)\n" +
"----------\n" +
"45. ERROR in X.java (at line 118)\n" +
" bar2(l); // List<Object> - illegal [76]\n" +
" ^^^^\n" +
"The method bar2(List<Object>) in the type X is not applicable for the arguments (List<capture-of ? extends Object>)\n" +
"----------\n" +
"46. ERROR in X.java (at line 124)\n" +
" l.add(l.get(0)); // illegal [79]\n" +
" ^^^\n" +
"The method add(capture-of ?) in the type List<capture-of ?> is not applicable for the arguments (capture-of ?)\n" +
"----------\n" +
"47. ERROR in X.java (at line 125)\n" +
" l.add((Object) null); // illegal [80]\n" +
" ^^^\n" +
"The method add(capture-of ?) in the type List<capture-of ?> is not applicable for the arguments (Object)\n" +
"----------\n" +
"48. ERROR in X.java (at line 126)\n" +
" l.add((Integer) null); // illegal [81]\n" +
" ^^^\n" +
"The method add(capture-of ?) in the type List<capture-of ?> is not applicable for the arguments (Integer)\n" +
"----------\n" +
"49. ERROR in X.java (at line 127)\n" +
" l.add((Object []) null); // illegal [82]\n" +
" ^^^\n" +
"The method add(capture-of ?) in the type List<capture-of ?> is not applicable for the arguments (Object[])\n" +
"----------\n" +
"50. ERROR in X.java (at line 128)\n" +
" l.add((Integer []) null); // illegal [83]\n" +
" ^^^\n" +
"The method add(capture-of ?) in the type List<capture-of ?> is not applicable for the arguments (Integer[])\n" +
"----------\n" +
"51. ERROR in X.java (at line 129)\n" +
" l.add((Integer [][]) null); // illegal [84]\n" +
" ^^^\n" +
"The method add(capture-of ?) in the type List<capture-of ?> is not applicable for the arguments (Integer[][])\n" +
"----------\n" +
"52. ERROR in X.java (at line 131)\n" +
" foo(l); // List<? super Object[]> - illegal [85]\n" +
" ^^^\n" +
"The method foo(List<? super Object[]>) in the type X is not applicable for the arguments (List<capture-of ?>)\n" +
"----------\n" +
"53. ERROR in X.java (at line 132)\n" +
" foo2(l); // List<Object[]> - illegal [86]\n" +
" ^^^^\n" +
"The method foo2(List<Object[]>) in the type X is not applicable for the arguments (List<capture-of ?>)\n" +
"----------\n" +
"54. ERROR in X.java (at line 133)\n" +
" foo3(l); // List<? extends Object[]> - illegal [87]\n" +
" ^^^^\n" +
"The method foo3(List<? extends Object[]>) in the type X is not applicable for the arguments (List<capture-of ?>)\n" +
"----------\n" +
"55. ERROR in X.java (at line 134)\n" +
" bar(l); // List<? super Object> - illegal [88]\n" +
" ^^^\n" +
"The method bar(List<? super Object>) in the type X is not applicable for the arguments (List<capture-of ?>)\n" +
"----------\n" +
"56. ERROR in X.java (at line 135)\n" +
" bar2(l); // List<Object> - illegal [89]\n" +
" ^^^^\n" +
"The method bar2(List<Object>) in the type X is not applicable for the arguments (List<capture-of ?>)\n" +
"----------\n");
}
public void test0668() {
runConformTest(
// test directory preparation
new String[] { /* test files */
"X.java",
"import java.util.List;\n" +
" \n" +
"public class X {\n" +
" void foo(List<? super Object[]> l) {\n" +
" l.add(new Object[0]);\n" +
" }\n" +
"}\n",
},
// javac options
JavacTestOptions.JavacHasABug.JavacBugFixed_6_10 /* javac test options */);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=95289
public void test0669() {
this.runConformTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"\n" +
"public class X {\n" +
"private static<T> int indexOf(final T[] array,final T elem) {\n" +
" return 0;\n" +
"}\n" +
"public static void meth(AContainer ac, AInfo[] aiArray) {\n" +
" for(AInfo ai: aiArray) {\n" +
" int index1 = indexOf(ac.getAs(),ai.a);\n" +
" int index2 = indexOf(ac.getAs(),ai); // ai.class!=ai.a.class!!!\n" +
" }\n" +
"}\n" +
"}\n" +
"\n" +
"class AContainer {\n" +
" public A[] getAs(){ return null; }\n" +
"}\n" +
"\n" +
"class AInfo {\n" +
" public A a;\n" +
"}\n" +
"\n" +
"class A {\n" +
"}\n",
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=95021 (ensure not even a warning)
public void test0670() {
runConformTest(
true,
new String[] {
"X.java",
"import java.util.Map;\n" +
"\n" +
"interface MethodProperty<ActualType extends MethodProperty<ActualType>> {\n" +
" public void copyFrom(ActualType other);\n" +
"}\n" +
"\n" +
"class MethodPropertyDatabase<Property extends MethodProperty<Property>> {\n" +
" Map<String, Property> propertyMap;\n" +
" \n" +
" void read(String fileName) {\n" +
" }\n" +
"}\n" +
"\n" +
"class FooProperty implements MethodProperty<FooProperty> {\n" +
" String value;\n" +
"\n" +
" public void copyFrom(FooProperty other) {\n" +
" this.value = other.value;\n" +
" }\n" +
"}\n" +
"\n" +
"class FooPropertyDatabase extends MethodPropertyDatabase<FooProperty> {\n" +
"}\n" +
"\n" +
"public class X {\n" +
" FooPropertyDatabase fooDatabase;\n" +
" \n" +
" public void readDatabase() {\n" +
" FooPropertyDatabase database = new FooPropertyDatabase();\n" +
" \n" +
" fooDatabase = readDatabase(database, \"foodatabase.db\"); // Bug reported on this line\n" +
" }\n" +
" \n" +
" private<\n" +
" Property extends MethodProperty<Property>,\n" +
" DatabaseType extends MethodPropertyDatabase<Property>\n" +
" > DatabaseType readDatabase(DatabaseType database, String fileName) {\n" +
" database.read(fileName);\n" +
" return database;\n" +
" }\n" +
" \n" +
"}\n",
},
"",
null,
null,
JavacTestOptions.EclipseJustification.EclipseBug95021);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=95021 - variation: ensure not even a warning
public void test0671() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.Map;\n" +
"\n" +
"interface MethodProperty<ActualType extends MethodProperty<ActualType>> {\n" +
" public void copyFrom(ActualType other);\n" +
"}\n" +
"\n" +
"class MethodPropertyDatabase<Property extends MethodProperty<Property>> {\n" +
" Map<String, Property> propertyMap;\n" +
" \n" +
" void read(String fileName) {\n" +
" }\n" +
"}\n" +
"\n" +
"class FooProperty implements MethodProperty<FooProperty> {\n" +
" String value;\n" +
"\n" +
" public void copyFrom(FooProperty other) {\n" +
" this.value = other.value;\n" +
" }\n" +
"}\n" +
"\n" +
"class FooPropertyDatabase extends MethodPropertyDatabase<FooProperty> {\n" +
"}\n" +
"\n" +
"public class X {\n" +
" Zork z;\n" +
" FooPropertyDatabase fooDatabase;\n" +
" \n" +
" public void readDatabase() {\n" +
" FooPropertyDatabase database = new FooPropertyDatabase();\n" +
" \n" +
" fooDatabase = readDatabase(database, \"foodatabase.db\"); // Bug reported on this line\n" +
" }\n" +
" \n" +
" private<\n" +
" Property extends MethodProperty<Property>,\n" +
" DatabaseType extends MethodPropertyDatabase<Property>\n" +
" > DatabaseType readDatabase(DatabaseType database, String fileName) {\n" +
" database.read(fileName);\n" +
" return database;\n" +
" }\n" +
" \n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 26)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=95021 - variation: ensure not even a warning
// SHOULD FAIL AT 1.8 (18.2.3): The method read(D, String) in the type X is not applicable for the arguments (Bar<Foo>, String)
public void test0672() {
this.runNegativeTest(
new String[] {
"X.java",
"interface Foo<T extends Foo<T>> {\n" +
"}\n" +
"\n" +
"class Bar<Q> {\n" +
"}\n" +
"\n" +
"\n" +
"public class X {\n" +
" Zork z;\n" +
" void readDatabase() {\n" +
" Bar<Foo> bar = new Bar<Foo>();\n" +
" read(bar, \"sadasd\");\n" +
" }\n" +
" \n" +
" <P extends Foo<P>, D extends Bar<P>> \n" +
" D read(D d, String s) {\n" +
" return d;\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 9)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n" +
"2. WARNING in X.java (at line 11)\n" +
" Bar<Foo> bar = new Bar<Foo>();\n" +
" ^^^\n" +
"Foo is a raw type. References to generic type Foo<T> should be parameterized\n" +
"----------\n" +
"3. WARNING in X.java (at line 11)\n" +
" Bar<Foo> bar = new Bar<Foo>();\n" +
" ^^^\n" +
"Foo is a raw type. References to generic type Foo<T> should be parameterized\n" +
"----------\n" +
"4. WARNING in X.java (at line 12)\n" +
" read(bar, \"sadasd\");\n" +
" ^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked invocation read(Bar<Foo>, String) of the generic method read(D, String) of type X\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=95638
public void test0673() {
this.runConformTest(
new String[] {
"X.java",
"import java.util.List;\n" +
"\n" +
"class Key<E, F extends Type<E, F>> {\n" +
"}\n" +
"\n" +
"class State<S extends State> {\n" +
"}\n" +
"\n" +
"class Type<T, U extends Type<T, U>> {\n" +
"}\n" +
"\n" +
"class Store<A, B extends Type<A, B>, C extends Key<A, B>, D extends State<D>> {\n" +
"}\n" +
"\n" +
"public class X<K> {\n" +
" List<Store<K, ?, ? extends Key<K, ?>, ? extends State<?>>> stores;\n" +
"}\n",
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=95638 - variation
public void test0674() {
this.runConformTest(
new String[] {
"X.java",
"class Key<E extends Key<E>> {}\n" +
"class Store<F extends Key<F>> {}\n" +
"\n" +
"public class X<T extends Key<T>> {\n" +
" Store<? extends Key<T>> store;\n" +
"}\n",
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=95638 - variation
public void test0675() {
runNegativeTest(
// test directory preparation
new String[] { /* test files */
"X.java",
"class Key<E extends Key<E>> {}\n" +
"class Store<F extends Key<F>> {}\n" +
"\n" +
"public class X<T> {\n" +
" Store<? extends Key<T>> store1;\n" +
" Store<? extends Key<? extends T>> store2;\n" +
"}\n",
},
// compiler results
"----------\n" + /* expected compiler log */
"1. ERROR in X.java (at line 5)\n" +
" Store<? extends Key<T>> store1;\n" +
" ^\n" +
"Bound mismatch: The type T is not a valid substitute for the bounded parameter <E extends Key<E>> of the type Key<E>\n" +
"----------\n",
// javac options
JavacTestOptions.JavacHasABug.JavacBugFixed_6_10 /* javac test options */);
}
//check fault tolerance, in spite of bound mismatch, still pass param type for further resolving message send
public void test0676() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T extends Throwable> {\n" +
" T get() { return null; }\n" +
" \n" +
" void foo(X<String> xs) {\n" +
" xs.get().printStackTrace();\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" void foo(X<String> xs) {\n" +
" ^^^^^^\n" +
"Bound mismatch: The type String is not a valid substitute for the bounded parameter <T extends Throwable> of the type X<T>\n" +
"----------\n" +
"2. ERROR in X.java (at line 5)\n" +
" xs.get().printStackTrace();\n" +
" ^^^^^^^^^^^^^^^\n" +
"The method printStackTrace() is undefined for the type String\n" +
"----------\n");
}
public void test0677() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"public class X {\n" +
" public static void main(String[] args) {\n" +
" {\n" +
" ArrayList<Number> arrayList = new ArrayList<Integer>(); // compile error\n" +
" Number number = arrayList.get(0);\n" +
" }\n" +
" {\n" +
" ArrayList<? extends Number> arrayList = new ArrayList<Integer>(); //correct\n" +
" Number number = arrayList.get(0);\n" +
" }\n" +
" {\n" +
" ArrayList<? super Integer> arrayList = new ArrayList<Number>();\n" +
" Object number = arrayList.get(0); //returns java.lang.Object\n" +
" }\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 5)\n" +
" ArrayList<Number> arrayList = new ArrayList<Integer>(); // compile error\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from ArrayList<Integer> to ArrayList<Number>\n" +
"----------\n");
}
public void test0678() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.io.Serializable;\n" +
"\n" +
"public class X<T, T2 extends T & Serializable > {\n" +
" \n" +
" X<Object, Serializable> right1;\n" +
" X<String, Serializable> wrong1;\n" +
" X<Y, Y> right2;\n" +
" \n" +
" static class Y implements Serializable {\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 3)\n" +
" public class X<T, T2 extends T & Serializable > {\n" +
" ^^^^^^^^^^^^\n" +
"Cannot specify any additional bound Serializable when first bound is a type parameter\n" +
"----------\n" +
"2. ERROR in X.java (at line 6)\n" +
" X<String, Serializable> wrong1;\n" +
" ^^^^^^^^^^^^\n" +
"Bound mismatch: The type Serializable is not a valid substitute for the bounded parameter <T2 extends T & Serializable> of the type X<T,T2>\n" +
"----------\n" +
"3. WARNING in X.java (at line 9)\n" +
" static class Y implements Serializable {\n" +
" ^\n" +
"The serializable class Y does not declare a static final serialVersionUID field of type long\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=95638 - variation
public void test0679() {
this.runConformTest(
new String[] {
"X.java",
"class Key<E, F extends Key<E, F>> {}\n" +
"class Store<A, B extends Key<A, B>> {}\n" +
"\n" +
"public class X<K extends Key<?, K>> {\n" +
" Store<K, ? extends Key<K, ?>> store;\n" +
"}\n",
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=95638 - variation
public void test0680() {
this.runConformTest(
new String[] {
"X.java",
"import java.util.List;\n" +
"\n" +
"class Key<E, F extends Type<E, F, G, H>, G extends Key<E, F, G, H>, H extends State<H>> {}\n" +
"class State<S extends State> {}\n" +
"class Type<T, U extends Type<T, U, V, W>, V extends Key<T, U, V, W>, W extends State<W>> {}\n" +
"class Store<A, B extends Type<A, B, C, D>, C extends Key<A, B, C, D>, D extends State<D>> {}\n" +
"\n" +
"public class X<K extends Key<K, ?,?,?>> {\n" +
" List<Store<K, ?, ? extends Key<K, ?, ?, ?>, ? extends State<?>>> stores;\n" +
"}\n",
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=95638 - variation
public void test0681() {
this.runConformTest(
new String[] {
"X.java",
"class Key<E, K extends Key<E, K>> {\n" +
"}\n" +
"class Store<E, K extends Key<E, K>> {\n" +
"}\n" +
"class X<E> {\n" +
" Store<E, ?> store1;\n" +
" Store<E, ? extends Key<E, ?>> store2;\n" +
"\n" +
" class StoreHolder <F extends Key<E, F>> {\n" +
" Store<E, F> store;\n" +
" }\n" +
"}\n" +
"class Y<T, U extends Y<T, U>> {\n" +
" Y<?, ?> y;\n" +
"}\n",
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=95963
public void test0682() {
this.runNegativeTest(
new String[] {
"X.java",
"class X extends A<X.M> {}\n" +
"class A<T> {}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 1)\n" +
" class X extends A<X.M> {}\n" +
" ^^^\n" +
"X.M cannot be resolved to a type\n" +
"----------\n"
);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=96085
public void test0683() {
this.runConformTest(
new String[] {
"P.java",
"public interface P<V> {\n" +
" interface A {}\n" +
"}\n",
"P2.java",
"public class P2 implements P.A {\n" +
" P2(P.A problem) {}\n" +
"}\n",
"P3.java",
"public class P3 {\n" +
" void test() {P.A o = new P2((P.A) null);}\n" +
"}\n",
},
"");
this.runConformTest(
new String[] {
"P3.java",
"class P3 {\n" +
" void test() {P.A o = new P2((P.A) null);}\n" +
"}\n",
},
"",
null,
false,
null);
}
public void test0684() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T> {\n" +
" <U> U foo(U u1, U u2) {\n" +
" return u1;\n" +
" }\n" +
" void bar(X<? extends Throwable> x1, X<? extends Runnable> x2) {\n" +
" X<String> x = foo(x1, x2);\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 6)\n" +
" X<String> x = foo(x1, x2);\n" +
" ^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from X<capture#3-of ? extends Object> to X<String>\n" +
"----------\n");
}
public void test0685() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T> {\n" +
" <U> U foo(U u1, U u2) {\n" +
" return u1;\n" +
" }\n" +
" void bar(X<? extends Throwable> x1, X<? extends Runnable> x2) {\n" +
" X<String> x = foo(x1, x2);\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 6)\n" +
" X<String> x = foo(x1, x2);\n" +
" ^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from X<capture#3-of ? extends Object> to X<String>\n" +
"----------\n");
}
// check wildcard bounds wrt variable boundCheck
public void test0686() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.List;\n" +
"class Other<T extends List<? extends Runnable>> {\n" +
"}\n" +
"\n" +
"public class X {\n" +
" Other<? extends List<? extends Throwable>> other1;\n" +
" Other<? extends List<? super String>> other2; \n" +
" Other<? extends List<? extends String>> other3; \n" +
" Other<? extends List<? extends Runnable>> other7 = other1;\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 7)\n" +
" Other<? extends List<? super String>> other2; \n" +
" ^^^^^^^^^^^^^^\n" +
"Bound mismatch: The type ? extends List<? super String> is not a valid substitute for the bounded parameter <T extends List<? extends Runnable>> of the type Other<T>\n" +
"----------\n" +
"2. ERROR in X.java (at line 8)\n" +
" Other<? extends List<? extends String>> other3; \n" +
" ^^^^^^^^^^^^^^\n" +
"Bound mismatch: The type ? extends List<? extends String> is not a valid substitute for the bounded parameter <T extends List<? extends Runnable>> of the type Other<T>\n" +
"----------\n");
}
// check wildcard bounds wrt variable boundCheck
public void test0687() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.List;\n" +
"class Other<T extends List<? extends Runnable>> {\n" +
"}\n" +
"\n" +
"public class X {\n" +
" Other<? extends List<?>> other2;\n" +
" Other<? extends List<? super Throwable>> other3;\n" +
" Other<? super List<? extends Throwable>> other4;\n" +
" Other<? super List<?>> other5;\n" +
" Other<? super List<? super Throwable>> other6;\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 7)\n" +
" Other<? extends List<? super Throwable>> other3;\n" +
" ^^^^^^^^^^^^^^\n" +
"Bound mismatch: The type ? extends List<? super Throwable> is not a valid substitute for the bounded parameter <T extends List<? extends Runnable>> of the type Other<T>\n" +
"----------\n" +
"2. ERROR in X.java (at line 8)\n" +
" Other<? super List<? extends Throwable>> other4;\n" +
" ^^^^^^^^^^^^\n" +
"Bound mismatch: The type ? super List<? extends Throwable> is not a valid substitute for the bounded parameter <T extends List<? extends Runnable>> of the type Other<T>\n" +
"----------\n" +
"3. ERROR in X.java (at line 9)\n" +
" Other<? super List<?>> other5;\n" +
" ^^^^^^^^^^^^\n" +
"Bound mismatch: The type ? super List<?> is not a valid substitute for the bounded parameter <T extends List<? extends Runnable>> of the type Other<T>\n" +
"----------\n" +
"4. ERROR in X.java (at line 10)\n" +
" Other<? super List<? super Throwable>> other6;\n" +
" ^^^^^^^^^^^^\n" +
"Bound mismatch: The type ? super List<? super Throwable> is not a valid substitute for the bounded parameter <T extends List<? extends Runnable>> of the type Other<T>\n" +
"----------\n");
}
// check wildcard bounds wrt variable boundCheck
public void test0688() {
this.runConformTest(
new String[] {
"X.java",
"import java.util.List;\n" +
"class Other<T extends List<? extends Runnable>> {\n" +
"}\n" +
"\n" +
"public class X {\n" +
" Other<? super List<? extends Runnable>> other5;\n" +
"}\n",
},
"");
}
// check wildcard bounds wrt variable boundCheck
public void test0689() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.List;\n" +
"class Other<T extends List<? extends Runnable>> {\n" +
"}\n" +
"\n" +
"public class X {\n" +
" Other<? super List<? super Runnable>> other5;\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 6)\n" +
" Other<? super List<? super Runnable>> other5;\n" +
" ^^^^^^^^^^^^\n" +
"Bound mismatch: The type ? super List<? super Runnable> is not a valid substitute for the bounded parameter <T extends List<? extends Runnable>> of the type Other<T>\n" +
"----------\n");
}
// check assignment rules across param types with wildcards
public void test0690() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.List;\n" +
"public class X {\n" +
" void foo(List<? extends Runnable> lr, List<?> la) {\n" +
" lr = la;\n" +
" la = lr;\n" +
" }\n" +
"} \n" +
"\n",
},
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" lr = la;\n" +
" ^^\n" +
"Type mismatch: cannot convert from List<capture#2-of ?> to List<? extends Runnable>\n" +
"----------\n");
}
// check that final class bound is more restrictive
public void test0691() {
this.runNegativeTest(
new String[] {
"XX.java",
"public class XX<T extends Runnable> {\n" +
" void foo(XX<?> lhs, XX<? extends String> rhs) {\n" +
" lhs = rhs;\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in XX.java (at line 2)\n" +
" void foo(XX<?> lhs, XX<? extends String> rhs) {\n" +
" ^^^^^^^^^^^^^^^^\n" +
"Bound mismatch: The type ? extends String is not a valid substitute for the bounded parameter <T extends Runnable> of the type XX<T>\n" +
"----------\n");
}
// check wildcard bounds wrt variable boundCheck
public void test0692() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.List;\n" +
"\n" +
"public class X<T extends List<Object>> {\n" +
" \n" +
" void foo(X<? extends List<String>> x) {\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 5)\n" +
" void foo(X<? extends List<String>> x) {\n" +
" ^^^^^^^^^^^^^^\n" +
"Bound mismatch: The type ? extends List<String> is not a valid substitute for the bounded parameter <T extends List<Object>> of the type X<T>\n" +
"----------\n");
}
// bound checks
public void test0693() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T extends Runnable> {\n" +
" X<X<String>> x1;\n" +
" X<? extends String> x2;\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 2)\n" +
" X<X<String>> x1;\n" +
" ^\n" +
"Bound mismatch: The type X<String> is not a valid substitute for the bounded parameter <T extends Runnable> of the type X<T>\n" +
"----------\n" +
"2. ERROR in X.java (at line 2)\n" +
" X<X<String>> x1;\n" +
" ^^^^^^\n" +
"Bound mismatch: The type String is not a valid substitute for the bounded parameter <T extends Runnable> of the type X<T>\n" +
"----------\n" +
"3. ERROR in X.java (at line 3)\n" +
" X<? extends String> x2;\n" +
" ^^^^^^^^^^^^^^^^\n" +
"Bound mismatch: The type ? extends String is not a valid substitute for the bounded parameter <T extends Runnable> of the type X<T>\n" +
"----------\n");
}
// bound checks
public void test0694() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T extends X<T>> {\n" +
" X<X<X<String>>> x1;\n" +
" X<? extends X<? extends X<String>>> x2;\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 2)\n" +
" X<X<X<String>>> x1;\n" +
" ^\n" +
"Bound mismatch: The type X<X<String>> is not a valid substitute for the bounded parameter <T extends X<T>> of the type X<T>\n" +
"----------\n" +
"2. ERROR in X.java (at line 2)\n" +
" X<X<X<String>>> x1;\n" +
" ^\n" +
"Bound mismatch: The type X<String> is not a valid substitute for the bounded parameter <T extends X<T>> of the type X<T>\n" +
"----------\n" +
"3. ERROR in X.java (at line 2)\n" +
" X<X<X<String>>> x1;\n" +
" ^^^^^^\n" +
"Bound mismatch: The type String is not a valid substitute for the bounded parameter <T extends X<T>> of the type X<T>\n" +
"----------\n" +
"4. ERROR in X.java (at line 3)\n" +
" X<? extends X<? extends X<String>>> x2;\n" +
" ^^^^^^^^^^^\n" +
"Bound mismatch: The type ? extends X<? extends X<String>> is not a valid substitute for the bounded parameter <T extends X<T>> of the type X<T>\n" +
"----------\n" +
"5. ERROR in X.java (at line 3)\n" +
" X<? extends X<? extends X<String>>> x2;\n" +
" ^^^^^^^^^^^\n" +
"Bound mismatch: The type ? extends X<String> is not a valid substitute for the bounded parameter <T extends X<T>> of the type X<T>\n" +
"----------\n" +
"6. ERROR in X.java (at line 3)\n" +
" X<? extends X<? extends X<String>>> x2;\n" +
" ^^^^^^\n" +
"Bound mismatch: The type String is not a valid substitute for the bounded parameter <T extends X<T>> of the type X<T>\n" +
"----------\n");
}
// bound checks
public void test0695() {
this.runConformTest(
new String[] {
"I.java",
"interface I<T extends I<? extends T>> {\n" +
"}\n",
},
"");
}
public void test0696() {
this.runNegativeTest(
new String[] {
"X.java",
"class Key<E extends Key<E>> {}\n" +
"class Store<F extends Key<F>> {}\n" +
"\n" +
"public class X<T> {\n" +
" Store<? extends Key<T>> store = new Store<Key<T>>();\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 5)\n" +
" Store<? extends Key<T>> store = new Store<Key<T>>();\n" +
" ^\n" +
"Bound mismatch: The type T is not a valid substitute for the bounded parameter <E extends Key<E>> of the type Key<E>\n" +
"----------\n" +
"2. ERROR in X.java (at line 5)\n" +
" Store<? extends Key<T>> store = new Store<Key<T>>();\n" +
" ^^^\n" +
"Bound mismatch: The type Key<T> is not a valid substitute for the bounded parameter <F extends Key<F>> of the type Store<F>\n" +
"----------\n" +
"3. ERROR in X.java (at line 5)\n" +
" Store<? extends Key<T>> store = new Store<Key<T>>();\n" +
" ^\n" +
"Bound mismatch: The type T is not a valid substitute for the bounded parameter <E extends Key<E>> of the type Key<E>\n" +
"----------\n");
}
public void test0697() {
this.runConformTest(
new String[] {
"X.java",
"import java.util.List;\n" +
"public class X<U, V extends List<U>> {\n" +
" V v;\n" +
" \n" +
" void foo(X<String, ?> x1, X<Object, ?> x2) {\n" +
" String s =x1.v.get(0);\n" +
" Object o = x2.v.get(0);\n" +
" \n" +
" }\n" +
"}\n",
},
"");
}
public void test0698() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.List;\n" +
"\n" +
"public class X<U extends List<Object>, V extends List<String>> {\n" +
" \n" +
" X<? super Exception, ? super Exception> x;\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 5)\n" +
" X<? super Exception, ? super Exception> x;\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"Bound mismatch: The type ? super Exception is not a valid substitute for the bounded parameter <U extends List<Object>> of the type X<U,V>\n" +
"----------\n" +
"2. ERROR in X.java (at line 5)\n" +
" X<? super Exception, ? super Exception> x;\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"Bound mismatch: The type ? super Exception is not a valid substitute for the bounded parameter <V extends List<String>> of the type X<U,V>\n" +
"----------\n");
}
public void test0699() {
this.runNegativeTest(
new String[] {
"X2.java",
"import java.util.List;\n" +
"class Other2<T extends List< Runnable>> {\n" +
"}\n" +
"\n" +
"class X2 {\n" +
" Other2<? extends List<Throwable>> other1;\n" +
" Other2<? extends List<? super String>> other2; \n" +
" Other2<? extends List<? extends String>> other3; \n" +
" Other2<? extends List<? extends Runnable>> other7 = other1;\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X2.java (at line 6)\n" +
" Other2<? extends List<Throwable>> other1;\n" +
" ^^^^^^^^^^^^^^\n" +
"Bound mismatch: The type ? extends List<Throwable> is not a valid substitute for the bounded parameter <T extends List<Runnable>> of the type Other2<T>\n" +
"----------\n" +
"2. ERROR in X2.java (at line 7)\n" +
" Other2<? extends List<? super String>> other2; \n" +
" ^^^^^^^^^^^^^^\n" +
"Bound mismatch: The type ? extends List<? super String> is not a valid substitute for the bounded parameter <T extends List<Runnable>> of the type Other2<T>\n" +
"----------\n" +
"3. ERROR in X2.java (at line 8)\n" +
" Other2<? extends List<? extends String>> other3; \n" +
" ^^^^^^^^^^^^^^\n" +
"Bound mismatch: The type ? extends List<? extends String> is not a valid substitute for the bounded parameter <T extends List<Runnable>> of the type Other2<T>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=96646
public void test0700() {
this.runConformTest(
new String[] {
"X.java",
"abstract class BaseFactory<T> {\n" +
" public T create() throws Exception {\n" +
" return getType().newInstance();\n" +
" }\n" +
" public abstract Class<T> getType();\n" +
"}\n" +
"interface StringFactory {\n" +
" public String create() throws Exception;\n" +
"}\n" +
"public class X extends BaseFactory<String> implements StringFactory {\n" +
" @Override\n" +
" public Class<String> getType() {\n" +
" return String.class;\n" +
" }\n" +
" public static void main(String[] args) throws Exception {\n" +
" String emptyString = new X().create();\n" +
" System.out.printf(\"SUCCESS\");\n" +
" }\n" +
"}\n",
},
"SUCCESS");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=97303
public void test0701() {
Map options = getCompilerOptions();
options.put(JavaCore.COMPILER_PB_UNCHECKED_TYPE_OPERATION, JavaCore.IGNORE);
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.Arrays;\n" +
"import java.util.List;\n" +
"\n" +
"class Deejay {\n" +
" class Counter<T> {}\n" +
"\n" +
" Counter<Song> songCounter = new Counter<Song>();\n" +
" Counter<Genre> genreCounter = new Counter<Genre>();\n" +
"\n" +
" List<Counter<?>> list1 = Arrays.asList(songCounter, genreCounter);\n" +
" List<Counter<? extends Object>> list2 = Arrays.asList(songCounter, genreCounter);\n" +
" List<Counter<?>> list3 = Arrays.<Counter<?>>asList(songCounter, genreCounter);\n" +
" List<Counter<?>> list4 = Arrays.asList(new Counter<?>[] {songCounter, genreCounter});\n" +
" List<Counter<? extends String>> list5 = Arrays.asList(songCounter, genreCounter);\n" +
"}\n" +
"class Genre {}\n" +
"class Song {}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 14)\n" +
" List<Counter<? extends String>> list5 = Arrays.asList(songCounter, genreCounter);\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from List<Deejay.Counter<? extends Object>> to List<Deejay.Counter<? extends String>>\n" +
"----------\n",
null,
true,
options);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=97303 - variation
public void test0702() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T extends Runnable> implements Runnable {\n" +
" \n" +
" void foo0(X<X<?>> lhs, X<X<? extends Runnable>> rhs) {\n" +
" lhs = rhs; // 0\n" +
" }\n" +
" void foo1(X<X<?>> lhs, X<X<? extends Object>> rhs) {\n" +
" lhs = rhs; // 1\n" + // TODO (philippe) should be ok using capture rules for equivalence
" }\n" +
" void foo2(X<X<? extends Cloneable>> lhs, X<X<? extends Object>> rhs) {\n" +
" lhs = rhs; // 2\n" +
" }\n" +
" void foo3(X<X<? extends Runnable>> lhs, X<X<? extends Object>> rhs) {\n" +
" lhs = rhs; // 3\n" +
" }\n" +
" void foo4(X<X<? extends Runnable>> lhs, X<X<?>> rhs) {\n" +
" lhs = rhs; // 4\n" +
" }\n" +
" void foo5(X<X<?>> lhs, X<X<? extends Cloneable>> rhs) {\n" +
" lhs = rhs; // 5\n" +
" }\n" +
" void foo6(X<X<X<X<X<?>>>>> lhs, X<X<X<X<X<? extends Runnable>>>>> rhs) {\n" +
" lhs = rhs; // 6\n" +
" } \n" +
" public void run() {\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 7)\n" +
" lhs = rhs; // 1\n" +
" ^^^\n" +
"Type mismatch: cannot convert from X<X<? extends Object>> to X<X<?>>\n" +
"----------\n" +
"2. ERROR in X.java (at line 10)\n" +
" lhs = rhs; // 2\n" +
" ^^^\n" +
"Type mismatch: cannot convert from X<X<? extends Object>> to X<X<? extends Cloneable>>\n" +
"----------\n" +
"3. ERROR in X.java (at line 13)\n" +
" lhs = rhs; // 3\n" +
" ^^^\n" +
"Type mismatch: cannot convert from X<X<? extends Object>> to X<X<? extends Runnable>>\n" +
"----------\n" +
"4. ERROR in X.java (at line 19)\n" +
" lhs = rhs; // 5\n" +
" ^^^\n" +
"Type mismatch: cannot convert from X<X<? extends Cloneable>> to X<X<?>>\n" +
"----------\n");
}
public void test0703() {
this.runConformTest(
new String[] {
"X.java",
"public class X<T extends X<T>> {}\n" +
"class Y extends X<Y> {\n" +
" X<?> p = (Y)null;\n" +
"}\n",
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=97800
public void test0704() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"public class X {\n" +
" public static void main(String[] args) {\n" +
" List<String> l = (List<String>)Collections.emptyList();\n" +
" } \n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" List<String> l = (List<String>)Collections.emptyList();\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Cannot cast from List<Object> to List<String>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=97480
public void test0705() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"\n" +
"public class X {\n" +
" void f(Object o){\n" +
" ((Map.Entry)o).setValue(\"bug\");\n" +
" \n" +
" Map.Entry me= (Map.Entry)o; \n" +
" me.setValue(\"ok\");\n" +
" \n" +
" ((Vector)o).add(\"ok\");\n" +
" }\n" +
" Zork z;\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 5)\n" +
" ((Map.Entry)o).setValue(\"bug\");\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: The method setValue(Object) belongs to the raw type Map.Entry. References to generic type Map.Entry<K,V> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 5)\n" +
" ((Map.Entry)o).setValue(\"bug\");\n" +
" ^^^^^^^^^\n" +
"Map.Entry is a raw type. References to generic type Map.Entry<K,V> should be parameterized\n" +
"----------\n" +
"3. WARNING in X.java (at line 7)\n" +
" Map.Entry me= (Map.Entry)o; \n" +
" ^^^^^^^^^\n" +
"Map.Entry is a raw type. References to generic type Map.Entry<K,V> should be parameterized\n" +
"----------\n" +
"4. WARNING in X.java (at line 7)\n" +
" Map.Entry me= (Map.Entry)o; \n" +
" ^^^^^^^^^\n" +
"Map.Entry is a raw type. References to generic type Map.Entry<K,V> should be parameterized\n" +
"----------\n" +
"5. WARNING in X.java (at line 8)\n" +
" me.setValue(\"ok\");\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"Type safety: The method setValue(Object) belongs to the raw type Map.Entry. References to generic type Map.Entry<K,V> should be parameterized\n" +
"----------\n" +
"6. WARNING in X.java (at line 10)\n" +
" ((Vector)o).add(\"ok\");\n" +
" ^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: The method add(Object) belongs to the raw type Vector. References to generic type Vector<E> should be parameterized\n" +
"----------\n" +
"7. WARNING in X.java (at line 10)\n" +
" ((Vector)o).add(\"ok\");\n" +
" ^^^^^^\n" +
"Vector is a raw type. References to generic type Vector<E> should be parameterized\n" +
"----------\n" +
"8. ERROR in X.java (at line 12)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=97219
public void test0706() {
String outputExpectedBelow17 = (this.complianceLevel == ClassFileConstants.JDK1_6)?
"----------\n" +
"1. WARNING in X.java (at line 9)\n" +
" class BB extends AA<CC> { <U> BB test() {return null;} }\n" +
" ^^^^^^\n" +
"Name clash: The method test() of type BB has the same erasure as test() of type AA<T> but does not override it\n" +
"----------\n":
"----------\n" +
"1. ERROR in X.java (at line 9)\n" +
" class BB extends AA<CC> { <U> BB test() {return null;} }\n" +
" ^^^^^^\n" +
"Name clash: The method test() of type BB has the same erasure as test() of type AA<T> but does not override it\n" +
"----------\n";
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" void foo() {\n" +
" BB bb = new BB();\n" +
" bb.<Object>test();\n" +
" ((AA<CC>) bb).test();\n" +
" }\n" +
"}\n" +
"class AA<T> { AA<Object> test() {return null;} }\n" +
"class BB extends AA<CC> { <U> BB test() {return null;} }\n" +
"class CC {}\n",
},
(this.complianceLevel < ClassFileConstants.JDK1_7)
? outputExpectedBelow17
: "----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" bb.<Object>test();\n" +
" ^^^^\n" +
"The method test() is ambiguous for the type BB\n" +
"----------\n" +
"2. ERROR in X.java (at line 9)\n" +
" class BB extends AA<CC> { <U> BB test() {return null;} }\n" +
" ^^^^^^\n" +
"Name clash: The method test() of type BB has the same erasure as test() of type AA<T> but does not override it\n" +
"----------\n"
);
/*
X.java:4: reference to test is ambiguous, both method test() in AA and method <U>test() in BB match
bb.<Object>test();
^
where U is a type-variable:
U extends Object declared in method <U>test()
X.java:9: name clash: <U>test() in BB and test() in AA have the same erasure, yet neither overrides the other
class BB extends AA<CC> { <U> BB test() {return null;} }
^
where U is a type-variable:
U extends Object declared in method <U>test()
2 errors
*/
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=97219
public void test0706a() {
// http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6182950
String expectedCompilerLog = (this.complianceLevel == ClassFileConstants.JDK1_6)?
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" AA<Object> res1 = bb.test();\n" +
" ^^^^\n" +
"The method test() is ambiguous for the type BB\n" +
"----------\n" +
"2. WARNING in X.java (at line 5)\n" +
" AA res3 = bb.test();\n" +
" ^^\n" +
"AA is a raw type. References to generic type AA<T> should be parameterized\n" +
"----------\n" +
"3. ERROR in X.java (at line 5)\n" +
" AA res3 = bb.test();\n" +
" ^^^^\n" +
"The method test() is ambiguous for the type BB\n" +
"----------\n" +
"4. WARNING in X.java (at line 9)\n" +
" class BB extends AA<CC> { <U> BB test() {return null;} }\n" +
" ^^^^^^\n" +
"Name clash: The method test() of type BB has the same erasure as test() of type AA<T> but does not override it\n" +
"----------\n":
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" AA<Object> res1 = bb.test();\n" +
" ^^^^\n" +
"The method test() is ambiguous for the type BB\n" +
"----------\n" +
"2. WARNING in X.java (at line 5)\n" +
" AA res3 = bb.test();\n" +
" ^^\n" +
"AA is a raw type. References to generic type AA<T> should be parameterized\n" +
"----------\n" +
"3. ERROR in X.java (at line 5)\n" +
" AA res3 = bb.test();\n" +
" ^^^^\n" +
"The method test() is ambiguous for the type BB\n" +
"----------\n" +
"4. ERROR in X.java (at line 9)\n" +
" class BB extends AA<CC> { <U> BB test() {return null;} }\n" +
" ^^^^^^\n" +
"Name clash: The method test() of type BB has the same erasure as test() of type AA<T> but does not override it\n" +
"----------\n";
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" void foo() {\n" +
" BB bb = new BB();\n" +
" AA<Object> res1 = bb.test();\n" +
" AA res3 = bb.test();\n" +
" }\n" +
"}\n" +
"class AA<T> { AA<Object> test() {return null;} }\n" +
"class BB extends AA<CC> { <U> BB test() {return null;} }\n" +
"class CC {}\n",
},
expectedCompilerLog
);
/*
X.java:4: reference to test is ambiguous, both method test() in AA and method <U>test() in BB match
AA<Object> res1 = bb.test();
^
where U is a type-variable:
U extends Object declared in method <U>test()
X.java:5: reference to test is ambiguous, both method test() in AA and method <U>test() in BB match
AA res3 = bb.test();
^
where U is a type-variable:
U extends Object declared in method <U>test()
X.java:9: name clash: <U>test() in BB and test() in AA have the same erasure, yet neither overrides the other
class BB extends AA<CC> { <U> BB test() {return null;} }
^
where U is a type-variable:
U extends Object declared in method <U>test()
3 errors
*/
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=97219
public void test0706b() {
// http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6182950
String expectedCompilerLog = (this.complianceLevel == ClassFileConstants.JDK1_6)?
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" AA<CC> res = bb.test();\n" +
" ^^^^\n" +
"The method test() is ambiguous for the type BB\n" +
"----------\n" +
"2. ERROR in X.java (at line 5)\n" +
" BB res2 = bb.test();\n" +
" ^^^^\n" +
"The method test() is ambiguous for the type BB\n" +
"----------\n" +
"3. WARNING in X.java (at line 9)\n" +
" class BB extends AA<CC> { <U> BB test() {return null;} }\n" +
" ^^^^^^\n" +
"Name clash: The method test() of type BB has the same erasure as test() of type AA<T> but does not override it\n" +
"----------\n":
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" AA<CC> res = bb.test();\n" +
" ^^^^\n" +
"The method test() is ambiguous for the type BB\n" +
"----------\n" +
"2. ERROR in X.java (at line 5)\n" +
" BB res2 = bb.test();\n" +
" ^^^^\n" +
"The method test() is ambiguous for the type BB\n" +
"----------\n" +
"3. ERROR in X.java (at line 9)\n" +
" class BB extends AA<CC> { <U> BB test() {return null;} }\n" +
" ^^^^^^\n" +
"Name clash: The method test() of type BB has the same erasure as test() of type AA<T> but does not override it\n" +
"----------\n";
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" void foo() {\n" +
" BB bb = new BB();\n" +
" AA<CC> res = bb.test();\n" +
" BB res2 = bb.test();\n" +
" }\n" +
"}\n" +
"class AA<T> { AA<Object> test() {return null;} }\n" +
"class BB extends AA<CC> { <U> BB test() {return null;} }\n" +
"class CC {}\n",
},
expectedCompilerLog
);
/*
X.java:4: reference to test is ambiguous, both method test() in AA and method <U>test() in BB match
AA<CC> res = bb.test();
^
where U is a type-variable:
U extends Object declared in method <U>test()
X.java:4: incompatible types
AA<CC> res = bb.test();
^
required: AA<CC>
found: AA<Object>
X.java:5: reference to test is ambiguous, both method test() in AA and method <U>test() in BB match
BB res2 = bb.test();
^
where U is a type-variable:
U extends Object declared in method <U>test()
X.java:5: incompatible types
BB res2 = bb.test();
^
required: BB
found: AA<Object>
X.java:9: name clash: <U>test() in BB and test() in AA have the same erasure, yet neither overrides the other
class BB extends AA<CC> { <U> BB test() {return null;} }
^
where U is a type-variable:
U extends Object declared in method <U>test()
5 errors
*/
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" void foo() {\n" +
" BB bb = new BB();\n" +
" AA<CC> res = bb.test();\n" +
" BB res2 = bb.test();\n" +
" }\n" +
"}\n" +
"class AA<T> { AA<Object> test() {return null;} }\n" +
"class BB extends AA<CC> { }\n" +
"class CC {}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" AA<CC> res = bb.test();\n" +
" ^^^^^^^^^\n" +
"Type mismatch: cannot convert from AA<Object> to AA<CC>\n" +
"----------\n" +
"2. ERROR in X.java (at line 5)\n" +
" BB res2 = bb.test();\n" +
" ^^^^^^^^^\n" +
"Type mismatch: cannot convert from AA<Object> to BB\n" +
"----------\n"
);
/*
X.java:4: incompatible types
AA<CC> res = bb.test();
^
required: AA<CC>
found: AA<Object>
X.java:5: incompatible types
BB res2 = bb.test();
^
required: BB
found: AA<Object>
2 errors
*/
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=98079
public void test0707() {
this.runConformTest(
new String[] {
"X.java",
"public class X<T> {\n" +
"\n" +
" B<? extends T> b() {\n" +
" return a();\n" +
" }\n" +
" \n" +
" <U extends T> B<U> a() {\n" +
" return null;\n" +
" }\n" +
" \n" +
" static class B<V> { }\n" +
"}\n",
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=95684
public void test0708() {
this.runConformTest(
new String[] {
"UserClass.java",
"public class UserClass<K> {\n" +
" protected class DataHolder {}\n" +
" protected void loadHook(DataHolder data) {}\n" +
"}\n",
},
"");
this.runConformTest(
new String[] {
"ChildClass.java",
"public class ChildClass extends UserClass<Object> {\n" +
" @Override protected void loadHook(DataHolder data) {}\n" +
"}\n",
},
"",
null,
false,
null);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=95684 - variation
public void test0709() {
this.runConformTest(
new String[] {
"UserClass.java",
"public class UserClass<K> {\n" +
" protected class DataHolder {}\n" +
" protected void loadHook(DataHolder[] data) {}\n" +
"}\n",
},
"");
this.runConformTest(
new String[] {
"ChildClass.java",
"public class ChildClass extends UserClass<Object> {\n" +
" @Override protected void loadHook(DataHolder[] data) {}\n" +
"}\n",
},
"",
null,
false,
null);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=96713
public void test0710() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" public static <V, P extends Persistent<V>> P createDataObject(V value) {\n" +
" return null;\n" +
" }\n" +
" public static void testCreateDataObject(Object v) {\n" +
" Persistent d = createDataObject(v);\n" +
" }\n" +
"\n" +
" private interface Persistent<V> {\n" +
" public V getValueObject();\n" +
" }\n" +
"}\n",
},
"");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=97108
public void test0711(){
this.runConformTest(
new String[] {
"X.java",
"import java.util.ArrayList;\n" +
"import java.util.HashMap;\n" +
"import java.util.List;\n" +
"import java.util.Map;\n" +
"\n" +
"public class X<T> {\n" +
" static private Map<String, XX> m1 = new HashMap<String, XX>();\n" +
" private List<XX> m2 = new ArrayList<XX>();\n" +
" static protected XX foo()\n" +
" {\n" +
" return null;\n" +
" }\n" +
" static public abstract class XX<TT>\n" +
" {\n" +
" }\n" +
"}\n",
},
"");
this.runConformTest(
new String[] {
"Y.java",
"public class Y extends X<Object> \n" +
"{ \n" +
"}\n"
},
"",
null,
false,
null);
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=97108
// The case that works
public void test0712(){
this.runConformTest(
new String[] {
"X.java",
"import java.util.ArrayList;\n" +
"import java.util.HashMap;\n" +
"import java.util.List;\n" +
"import java.util.Map;\n" +
"\n" +
"public class X<T> {\n" +
" static private Map<String, XX> m1 = new HashMap<String, XX>();\n" +
" private List<XX<T>> m2 = new ArrayList<XX<T>>();\n" +
" static protected XX foo()\n" +
" {\n" +
" return null;\n" +
" }\n" +
" static public abstract class XX<TT>\n" +
" {\n" +
" }\n" +
"}\n",
},
"");
this.runConformTest(
new String[] {
"Y.java",
"public class Y extends X<Object> \n" +
"{ \n" +
"}\n"
},
"",
null,
false,
null);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=96713
public void test0713() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T> {\n" +
" int i = 0;\n" +
" interface Y {\n" +
" java.util.List<T> lt = null;\n" +
" int j = i;\n" +
" void m1(T t); \n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" java.util.List<T> lt = null;\n" +
" ^\n" +
"Cannot make a static reference to the non-static type T\n" +
"----------\n" +
"2. ERROR in X.java (at line 5)\n" +
" int j = i;\n" +
" ^\n" +
"Cannot make a static reference to the non-static field i\n" +
"----------\n" +
"3. ERROR in X.java (at line 6)\n" +
" void m1(T t); \n" +
" ^\n" +
"Cannot make a static reference to the non-static type T\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=98232
public void test0714() {
this.runConformTest(
new String[] {
"B.java",
"import java.util.Map;\n" +
"import java.util.Set;\n" +
"import java.util.SortedSet;\n" +
"\n" +
"public class B {\n" +
" static Set<Map.Entry> foo(SortedSet<Map.Entry> set) {\n" +
" return null;\n" +
" }\n" +
"}\n" +
"\n",
},
"");
this.runConformTest(
new String[] {
"A.java",
"public class A {\n" +
" A() {\n" +
" B.foo(null);\n" +
" }\n" +
"}\n"
},
"",
null,
false,
null);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=98393
public void test0715() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" void foo() {\n" +
" Comparable<String> c = (java.util.List)bar(5, 5.0);\n" +
" }\n" +
" \n" +
" <T> T bar(T t1, T t2) { return t1; }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 3)\n" +
" Comparable<String> c = (java.util.List)bar(5, 5.0);\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from List to Comparable<String>\n" +
"----------\n" +
"2. WARNING in X.java (at line 3)\n" +
" Comparable<String> c = (java.util.List)bar(5, 5.0);\n" +
" ^^^^^^^^^^^^^^\n" +
"List is a raw type. References to generic type List<E> should be parameterized\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=98396
// **
public void test0716() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T extends Number & Comparable<String>> {\n" +
" void foo(T t) {\n" +
" Comparable<Integer> ci = (Comparable<Integer>) t; \n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 3)\n" +
" Comparable<Integer> ci = (Comparable<Integer>) t; \n" +
" ^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Cannot cast from T to Comparable<Integer>\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=98396 - variation
public void test0717() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.List;\n" +
"public class X<T extends Comparable<String> & List<Integer>> {\n" +
" void foo(T t) {\n" +
" Comparable<Integer> ci = (Comparable<Integer>) t; \n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" Comparable<Integer> ci = (Comparable<Integer>) t; \n" +
" ^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Cannot cast from T to Comparable<Integer>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=98478
// SHOULD FAIL AT 1.8 (18.2.3): The method max(Collection<? extends T>) in the type Collections is not applicable for the arguments (Set<X.ActionImpl>)
public void test0718() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.Collections;\n" +
"import java.util.Set;\n" +
"import java.util.TreeSet;\n" +
"\n" +
"public class X {\n" +
" \n" +
" public interface Base {\n" +
" }\n" +
" \n" +
" abstract class Action<T extends Base> {\n" +
" }\n" +
"\n" +
" public class ActionImpl<T extends Base> extends Action<T> implements Comparable<ActionImpl> {\n" +
" public int compareTo(ActionImpl o) {\n" +
" return 0;\n" +
" }\n" +
" }\n" +
"\n" +
" public void test() {\n" +
" Set<ActionImpl> set = new TreeSet<ActionImpl>();\n" +
" Collections.max(set);\n" +
" }\n" +
" Zork z;\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 13)\n" +
" public class ActionImpl<T extends Base> extends Action<T> implements Comparable<ActionImpl> {\n" +
" ^^^^^^^^^^\n" +
"X.ActionImpl is a raw type. References to generic type X.ActionImpl<T> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 14)\n" +
" public int compareTo(ActionImpl o) {\n" +
" ^^^^^^^^^^\n" +
"X.ActionImpl is a raw type. References to generic type X.ActionImpl<T> should be parameterized\n" +
"----------\n" +
"3. WARNING in X.java (at line 20)\n" +
" Set<ActionImpl> set = new TreeSet<ActionImpl>();\n" +
" ^^^^^^^^^^\n" +
"X.ActionImpl is a raw type. References to generic type X.ActionImpl<T> should be parameterized\n" +
"----------\n" +
"4. WARNING in X.java (at line 20)\n" +
" Set<ActionImpl> set = new TreeSet<ActionImpl>();\n" +
" ^^^^^^^^^^\n" +
"X.ActionImpl is a raw type. References to generic type X.ActionImpl<T> should be parameterized\n" +
"----------\n" +
"5. WARNING in X.java (at line 21)\n" +
" Collections.max(set);\n" +
" ^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked invocation max(Set<X.ActionImpl>) of the generic method max(Collection<? extends T>) of type Collections\n" +
"----------\n" +
"6. ERROR in X.java (at line 23)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=98364
public void test0719() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.Iterator;\n" +
"import java.util.ListIterator;\n" +
"\n" +
"interface IntegerIterator extends Iterator {}\n" +
"interface IntegerListIterator extends ListIterator<Integer>, IntegerIterator {}\n" +
"\n",
},
"----------\n" +
"1. WARNING in X.java (at line 4)\n" +
" interface IntegerIterator extends Iterator {}\n" +
" ^^^^^^^^\n" +
"Iterator is a raw type. References to generic type Iterator<E> should be parameterized\n" +
"----------\n" +
"2. ERROR in X.java (at line 5)\n" +
" interface IntegerListIterator extends ListIterator<Integer>, IntegerIterator {}\n" +
" ^^^^^^^^^^^^^^^^^^^\n" +
"The interface Iterator cannot be implemented more than once with different arguments: Iterator and Iterator<Integer>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=98364 - variation
public void test0720() {
this.runNegativeTest(
new String[] {
"X.java",
"interface Foo<T> {}\n" +
"interface Bar extends Foo<Integer> {}\n" +
"interface Baz extends Bar, Foo {}\n" +
"\n" +
"class XSuper implements Foo {}\n" +
"class XSub extends XSuper implements Foo<Integer> {}\n" +
"\n" +
"public class X implements Bar, Foo {}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 3)\n" +
" interface Baz extends Bar, Foo {}\n" +
" ^^^\n" +
"The interface Foo cannot be implemented more than once with different arguments: Foo and Foo<Integer>\n" +
"----------\n" +
"2. WARNING in X.java (at line 3)\n" +
" interface Baz extends Bar, Foo {}\n" +
" ^^^\n" +
"Foo is a raw type. References to generic type Foo<T> should be parameterized\n" +
"----------\n" +
"3. WARNING in X.java (at line 5)\n" +
" class XSuper implements Foo {}\n" +
" ^^^\n" +
"Foo is a raw type. References to generic type Foo<T> should be parameterized\n" +
"----------\n" +
"4. ERROR in X.java (at line 6)\n" +
" class XSub extends XSuper implements Foo<Integer> {}\n" +
" ^^^^\n" +
"The interface Foo cannot be implemented more than once with different arguments: Foo and Foo<Integer>\n" +
"----------\n" +
"5. ERROR in X.java (at line 8)\n" +
" public class X implements Bar, Foo {}\n" +
" ^\n" +
"The interface Foo cannot be implemented more than once with different arguments: Foo and Foo<Integer>\n" +
"----------\n" +
"6. WARNING in X.java (at line 8)\n" +
" public class X implements Bar, Foo {}\n" +
" ^^^\n" +
"Foo is a raw type. References to generic type Foo<T> should be parameterized\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=98561
public void test0721() {
this.runConformTest(
new String[] {
"Foo.java",
"public class Foo<T>\n" +
"{\n" +
" protected abstract class InnerFoo\n" +
" {\n" +
" protected abstract void doSomething();\n" +
" }\n" +
" \n" +
" protected void run( InnerFoo innerFoo )\n" +
" {\n" +
" innerFoo.doSomething();\n" +
" }\n" +
"}",
},
"");
this.runConformTest(
new String[] {
"Bar.java",
"public class Bar extends Foo<Integer>\n" +
"{\n" +
" public void go()\n" +
" {\n" +
" InnerFoo inner = new InnerFoo()\n" +
" {\n" +
" protected void doSomething()\n" +
" {\n" +
" System.out.println( \"hello\" );\n" +
" }\n" +
" };\n" +
" run( inner );\n" +
" }\n" +
"}"
},
"",
null,
false,
null);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=98364 - variation
public void test0722() {
this.runNegativeTest(
new String[] {
"X.java",
"interface I1<T1> {\n" +
"}\n" +
"\n" +
"interface I2<T2> extends I1<T2> {\n" +
"}\n" +
"\n" +
"public class X<U1> implements I1<U1>, I2<U1> {\n" +
"}\n",
},
"");
}
public void test0723() {
this.runConformTest(
new String[] {
"X.java",
"interface IA<E> {}\n" +
"interface IB<E> extends IA<E> {}\n" +
"class A<E> implements IA<E> {}\n" +
"class B<E> implements IB<E> {}\n" +
"\n" +
"public class X {\n" +
"\n" +
" public static void main(String[] args) {\n" +
" A<Integer> x = new A<Integer>();\n" +
" B<Integer> y = new B<Integer>();\n" +
" print(x);\n" +
" print(y);\n" +
" }\n" +
" public static <T extends IA<?>> void print(T a) {\n" +
" System.out.print(\"A\");\n" +
" }\n" +
" public static <T extends IB<?>> void print(T a) {\n" +
" System.out.println(\"B\");\n" +
" }\n" +
"}\n",
},
"AB");
}
public void test0724() {
this.runConformTest(
new String[] {
"X.java",
"import java.util.HashMap;\n" +
"\n" +
"public class X {\n" +
"\n" +
" public static void main(String[] args) {\n" +
" HashMap<Byte, Byte> subst = new HashMap<Byte, Byte>();\n" +
" subst.put((byte)1, (byte)1);\n" +
" if (1 + subst.get((byte)1) > 0.f) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" } \n" +
" }\n" +
"}\n",
},
"SUCCESS");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=98500
public void test0725() {
this.runNegativeTest(
new String[] {
"X.java",
"class AbsC {\n" +
" public <T> T[] resize(T[] src, T[] dest) {\n" +
" return dest;\n" +
" }\n" +
"}\n" +
"\n" +
"class ConrC<T> extends AbsC {\n" +
" T[][] data;\n" +
" protected void allocateChunkSlots(int maxChunkNo) {\n" +
" data = resize(data, new Object[maxChunkNo][]);\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 10)\n" +
" data = resize(data, new Object[maxChunkNo][]);\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Object[][] to T[][]\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=98500
public void test0726() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" \n" +
" void foo() {\n" +
" \n" +
" Controller<?> ctrl = null;\n" +
" foobar(ctrl.getView().getContent()); \n" +
" } \n" +
" \n" +
" static void foobar(X x) {\n" +
" }\n" +
"}\n" +
"interface Controller<T extends View<?>> {\n" +
" public T getView() ;\n" +
"}\n" +
"interface View<U extends X> {\n" +
" public U getContent();\n" +
"}\n"
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=98500 - variation
public void test0727() {
this.runConformTest(
new String[] {
"X.java",
"public class X<E> {\n" +
" \n" +
" void foo() {\n" +
" \n" +
" Controller<?> ctrl = null;\n" +
" foobar(ctrl.getView().getContent()); \n" +
" } \n" +
" \n" +
" static void foobar(X<String> x) {\n" +
" }\n" +
"}\n" +
"interface Controller<T extends View<?>> {\n" +
" public T getView() ;\n" +
"}\n" +
"interface View<U extends X<String>> {\n" +
" public U getContent();\n" +
"}\n"
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=98500 - variation
public void test0728() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<E> {\n" +
" \n" +
" public static void main(String[] args) {\n" +
" \n" +
" Controller<?> ctrl = null;\n" +
" foobar(ctrl.getView().getContent()); \n" +
" } \n" +
" \n" +
" static void foobar(X<String> x) {\n" +
" }\n" +
"}\n" +
"interface Controller<T extends View<?>> {\n" +
" public T getView() ;\n" +
"}\n" +
"interface View<U extends X<U>> {\n" +
" public U getContent();\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 6)\n" +
" foobar(ctrl.getView().getContent()); \n" +
" ^^^^^^\n" +
"The method foobar(X<String>) in the type X<E> is not applicable for the arguments (capture#2-of ?)\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=96586
public void test0729() {
this.runConformTest(
new String[] {
"X.java",
"public class X implements I<Y> {}\n" +
"interface I<T> {}\n" +
"class Y extends X implements I<Y> {}\n"
},
"");
this.runNegativeTest(
new String[] {
"X.java",
"public class X implements I<Y> {}\n" +
"interface I<T extends I<? super T>> {}\n" +
"class Y extends X implements I<X> {}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 3)\n" +
" class Y extends X implements I<X> {}\n" +
" ^\n" +
"The interface I cannot be implemented more than once with different arguments: I<Y> and I<X>\n" +
"----------\n" +
"2. ERROR in X.java (at line 3)\n" +
" class Y extends X implements I<X> {}\n" +
" ^\n" +
"Bound mismatch: The type X is not a valid substitute for the bounded parameter <T extends I<? super T>> of the type I<T>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=90437
public void test0730() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
"\n" +
" Zork z;\n" +
" public interface SuperInterface<A> {\n" +
" }\n" +
"\n" +
" public interface SubInterface extends SuperInterface<String> {\n" +
" public String getString();\n" +
" }\n" +
"\n" +
" private SuperInterface< ? extends SuperInterface> x = null;\n" +
"\n" +
" public void f() {\n" +
" ((SubInterface) this.x).getString();\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 3)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n" +
"2. WARNING in X.java (at line 11)\n" +
" private SuperInterface< ? extends SuperInterface> x = null;\n" +
" ^^^^^^^^^^^^^^\n" +
"X.SuperInterface is a raw type. References to generic type X.SuperInterface<A> should be parameterized\n" +
"----------\n" +
"3. ERROR in X.java (at line 14)\n" +
" ((SubInterface) this.x).getString();\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Cannot cast from X.SuperInterface<capture#1-of ? extends X.SuperInterface> to X.SubInterface\n" +
"----------\n" );
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=97440
public void test0731() {
this.runConformTest(
new String[] {
"X.java",
"public class X<E> {\n" +
" X<? super E> parent;\n" +
" X<? super E> current;\n" +
"\n" +
" X<? extends E> parent2;\n" +
" X<? extends E> current2;\n" +
"\n" +
" void foo() {\n" +
" current = current.parent;\n" +
" }\n" +
"\n" +
" void bar() {\n" +
" current2 = current2.parent2;\n" +
" }\n" +
"}\n"
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=98331
public void test0732() {
this.runNegativeTest(
new String[] {
"X.java",
"interface B<T> {}\n" +
"interface C extends B<String>{}\n" +
"interface D extends B<Integer>{}\n" +
"\n" +
"public class X {\n" +
" public static void main(String[] args) {\n" +
" D d = null;\n" +
" C c = (C)d; // illegal\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 8)\n" +
" C c = (C)d; // illegal\n" +
" ^^^^\n" +
"Cannot cast from D to C\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=98331 - variation
public void test0733() {
this.runConformTest(
new String[] {
"X.java",
"interface B<T> {}\n" +
"interface C extends B<String>{}\n" +
"interface D<E> extends B<E>{}\n" +
"\n" +
"\n" +
"public class X {\n" +
" Object foo(C c) {\n" +
" return (D<? extends String>) c;\n" +
" }\n" +
"}\n"
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=98331 - variation
public void test0734() {
this.runConformTest(
new String[] {
"X.java",
"interface B<T> {}\n" +
"interface C extends B<String>{}\n" +
"interface D<E> extends B<E>{}\n" +
"\n" +
"\n" +
"public class X {\n" +
" Object foo(C c, D<? extends String> d) {\n" +
" return c != null ? c : d; \n" +
" }\n" +
"}\n"
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=98331 - variation
public void test0735() {
this.runConformTest(
new String[] {
"X.java",
"interface B<T> {}\n" +
"interface C extends B<String>{}\n" +
"interface D<E> extends B<E>{}\n" +
"\n" +
"\n" +
"public class X {\n" +
" Object foo(C c, D<? extends Exception> d) {\n" +
" return c != null ? c : d; \n" +
" }\n" +
"}\n"
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=98331 - variation
public void test0736() {
this.runNegativeTest(
new String[] {
"X.java",
"interface B<T> {}\n" +
"interface C extends B<String>{}\n" +
"interface D<E> extends B<E>{}\n" +
"\n" +
"\n" +
"public class X {\n" +
" void bar(C c) {\n" +
" D<? extends Exception> d = (D<? extends Exception>) c;\n" +
" foo(d, c);\n" +
" }\n" +
" <U> void foo(U u1, U u2) {\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 8)\n" +
" D<? extends Exception> d = (D<? extends Exception>) c;\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Cannot cast from C to D<? extends Exception>\n" +
"----------\n");
}
public void test0737() {
runConformTest(
// test directory preparation
new String[] { /* test files */
"X.java",
"class Sup {\n" +
"}\n" +
"\n" +
"class Sub1 extends Sup {\n" +
"}\n" +
"\n" +
"class Sub2 extends Sup {\n" +
"\n" +
"}\n" +
"abstract class X {\n" +
" abstract <S, A extends S, B extends S> S method(A la, B lb);\n" +
"\n" +
" void m2() {\n" +
" Sup Sup = method(new Sub1(), new Sub2());// <-- compiles?? ( A=Sub1, B=Sub2, S=Sup)\n" +
" Object obj = method(1, \"32\");// <--doesn\'t compile?? ( A=Integer, B=String, S=Object)\n" +
" }\n" +
"}\n",
},
// javac options
JavacTestOptions.JavacHasABug.JavacBugFixed_7 /* javac test options */);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=98331 - variation
public void test0738() {
this.runNegativeTest(
new String[] {
"X.java",
"interface B<T> {}\n" +
"class C implements B<String>{}\n" +
"interface D extends B<Integer>{}\n" +
"\n" +
"public class X {\n" +
" public static void main(String[] args) {\n" +
" D d = null;\n" +
" C c = (C)d; // illegal\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 8)\n" +
" C c = (C)d; // illegal\n" +
" ^^^^\n" +
"Cannot cast from D to C\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=98331 - variation
public void test0739() {
this.runNegativeTest(
new String[] {
"X.java",
"interface B<T> {}\n" +
"interface C extends B<String>{}\n" +
"class D implements B<Integer>{}\n" +
"\n" +
"public class X {\n" +
" public static void main(String[] args) {\n" +
" D d = null;\n" +
" C c = (C)d; // illegal\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 8)\n" +
" C c = (C)d; // illegal\n" +
" ^^^^\n" +
"Cannot cast from D to C\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=98331 - variation
public void test0740() {
this.runNegativeTest(
new String[] {
"X.java",
"interface B<T> {}\n" +
"final class C implements B<String>{}\n" +
"\n" +
"public class X {\n" +
" public static void main(String[] args) {\n" +
" B<Integer> d = null;\n" +
" C c = (C)d; // illegal\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 7)\n" +
" C c = (C)d; // illegal\n" +
" ^^^^\n" +
"Cannot cast from B<Integer> to C\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=98331 - variation
public void test0741() {
this.runNegativeTest(
new String[] {
"X.java",
"interface B<T> {}\n" +
"final class D implements B<Integer>{}\n" +
"\n" +
"public class X {\n" +
" public static void main(String[] args) {\n" +
" D d = null;\n" +
" B<String> c = (B<String>)d; // illegal\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 7)\n" +
" B<String> c = (B<String>)d; // illegal\n" +
" ^^^^^^^^^^^^\n" +
"Cannot cast from D to B<String>\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=98538
// **
// FAIL ERRMSG
public void test0742() {
if (this.complianceLevel >= ClassFileConstants.JDK1_8)
return;
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"\n" +
" public class X {\n" +
" \n" +
" static abstract class SelfType<T extends SelfType<T>>{\n" +
" }\n" +
" \n" +
" static class SuperType extends SelfType<SuperType>{\n" +
" }\n" +
" \n" +
" static class SubType extends SuperType{}\n" +
" \n" +
" static <T extends SelfType<T>> List<T> makeSingletonList(T t){\n" +
" return Collections.singletonList(t);\n" +
" }\n" +
" \n" +
" static <T extends SelfType<T>,S extends T> List<T> makeSingletonList2(S s){\n" +
" return Collections.singletonList((T)s); // #0\n" +
" }\n" +
" \n" +
" public static void main(String[] args){\n" +
" makeSingletonList(new SuperType()); // #1 - OK\n" +
" List<SuperType> lsup = makeSingletonList(new SuperType()); // #2 - OK\n" +
" List<SubType> lsub = makeSingletonList(new SubType()); // #3 - ERROR\n" +
" makeSingletonList(new SubType()); // #4 - ERROR\n" +
" makeSingletonList2(new SubType()); // #5 - ERROR\n" +
" lsup = makeSingletonList2(new SubType()); // #6 - OK\n" +
" lsub = makeSingletonList2(new SubType()); // #7 - ERROR\n" +
" makeSingletonList2(new SuperType()); // #8 - OK\n" +
" lsup = makeSingletonList2(new SuperType()); // #9 - OK\n" +
" }\n" +
"}\n"
},
(this.complianceLevel < ClassFileConstants.JDK1_8 ?
"----------\n" +
"1. ERROR in X.java (at line 24)\n" +
" List<SubType> lsub = makeSingletonList(new SubType()); // #3 - ERROR\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"Bound mismatch: The generic method makeSingletonList(T) of type X is not applicable for the arguments (X.SubType). The inferred type X.SubType is not a valid substitute for the bounded parameter <T extends X.SelfType<T>>\n" +
"----------\n" +
"2. ERROR in X.java (at line 25)\n" +
" makeSingletonList(new SubType()); // #4 - ERROR\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"Bound mismatch: The generic method makeSingletonList(T) of type X is not applicable for the arguments (X.SubType). The inferred type X.SubType is not a valid substitute for the bounded parameter <T extends X.SelfType<T>>\n" +
"----------\n" +
"3. ERROR in X.java (at line 26)\n" +
" makeSingletonList2(new SubType()); // #5 - ERROR\n" +
" ^^^^^^^^^^^^^^^^^^\n" +
"Bound mismatch: The generic method makeSingletonList2(S) of type X is not applicable for the arguments (X.SubType). The inferred type X.SubType is not a valid substitute for the bounded parameter <T extends X.SelfType<T>>\n" +
"----------\n" +
"4. ERROR in X.java (at line 28)\n" +
" lsub = makeSingletonList2(new SubType()); // #7 - ERROR\n" +
" ^^^^^^^^^^^^^^^^^^\n" +
"Bound mismatch: The generic method makeSingletonList2(S) of type X is not applicable for the arguments (X.SubType). The inferred type X.SubType is not a valid substitute for the bounded parameter <T extends X.SelfType<T>>\n" +
"----------\n"
: // ----- JDK1_8 + -----: #4 & #5 infer as argument type: SuperType.
"----------\n" +
"1. ERROR in X.java (at line 24)\n" +
" List<SubType> lsub = makeSingletonList(new SubType()); // #3 - ERROR\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"Bound mismatch: The generic method makeSingletonList(T) of type X is not applicable for the arguments (X.SubType). The inferred type X.SubType is not a valid substitute for the bounded parameter <T extends X.SelfType<T>>\n" +
"----------\n" +
"2. ERROR in X.java (at line 28)\n" +
" lsub = makeSingletonList2(new SubType()); // #7 - ERROR\n" +
" ^^^^^^^^^^^^^^^^^^\n" +
"Bound mismatch: The generic method makeSingletonList2(S) of type X is not applicable for the arguments (X.SubType). The inferred type X.SubType is not a valid substitute for the bounded parameter <T extends X.SelfType<T>>\n" +
"----------\n"));
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=99553
public void test0743() {
this.runNegativeTest(
new String[] {
"X.java",
"interface TestGeneric2<A> {\n" +
" Nested<A> getNested2(); // super\n" +
"\n" +
" class Nested<B> implements TestGeneric2<B> {\n" +
" public Nested<B> getNested2() { // sub\n" +
" return this;//2\n" +
" }\n" +
" }\n" +
"}\n" +
" \n" +
"class TestGeneric3<A> {\n" +
" Nested<A> getNested3() { return null; } // super\n" +
"\n" +
" class Nested<B> extends TestGeneric3<B> {\n" +
" @Override public Nested<B> getNested3() { // sub\n" +
" return this;//3\n" +
" }\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 16)\n" +
" return this;//3\n" +
" ^^^^\n" +
"Type mismatch: cannot convert from TestGeneric3<A>.Nested<B> to TestGeneric3<B>.Nested<B>\n" +
"----------\n");
}
public void test0744() {
this.runNegativeTest(
new String[] {
"java/util/X.java",
"package java.util;\n" +
"\n" +
"import java.io.*;\n" +
"\n" +
"class Super<U, V> {\n" +
" static class Entry<U,V> {\n" +
" Entry(int i, U u, V v, Entry<U,V> entry) {}\n" +
" void recordAccess(Super<U,V> s) {\n" +
" }\n" +
" }\n" +
"}\n"+
"public abstract class X<K1, V1> extends Super<K1, V1> {\n" +
"\n" +
" Entry<K1, V1> h;\n" +
"\n" +
" private static class Entry<K2, V2> extends Super.Entry<K2, V2> {\n" +
"\n" +
" Entry() {\n" +
" super(0, null, null, null);\n" +
" }\n" +
"\n" +
" void ab(Entry<K2, V2> e) {\n" +
" }\n" +
"\n" +
" @Override void recordAccess(Super<K2, V2> m) {\n" +
" X<K2, V2> x = (X<K2, V2>) m;\n" +
" ab(x.h);\n" +
" }\n" +
" }\n" +
" Zork z;\n" +
"}\n"
},
"----------\n" +
"1. ERROR in java\\util\\X.java (at line 30)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=99922
public void test0745() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" void test() {\n" +
" java.util.Arrays.asList(3, 3.1);\n" +
" }\n" +
"}\n"
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=99922 - variation
public void test0746() {
Map options = getCompilerOptions();
options.put(JavaCore.COMPILER_PB_UNCHECKED_TYPE_OPERATION, JavaCore.IGNORE);
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" void test() {\n" +
" String s = java.util.Arrays.asList(3, 3.1);\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 3)\n" +
" String s = java.util.Arrays.asList(3, 3.1);\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from List<Number&Comparable<?>> to String\n" +
"----------\n",
null,
true,
options);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=99983
public void test0747() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T> {\n" +
" interface I {}\n" +
" class Y<U extends T & I> {\n" +
" }\n" +
"}",
},
"----------\n" +
"1. ERROR in X.java (at line 3)\n" +
" class Y<U extends T & I> {\n" +
" ^\n" +
"Cannot specify any additional bound X.I when first bound is a type parameter\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=100007
public void test0748() {
// http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6182950
String expectedCompilerLog = (this.complianceLevel == ClassFileConstants.JDK1_6)?
"----------\n" +
"1. WARNING in X.java (at line 5)\n" +
" public byte[] create(Class<byte[]> cl) { return null; }\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Name clash: The method create(Class<byte[]>) of type X has the same erasure as create(Class<U>) of type Factory<T> but does not override it\n" +
"----------\n":
"----------\n" +
"1. ERROR in X.java (at line 5)\n" +
" public byte[] create(Class<byte[]> cl) { return null; }\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Name clash: The method create(Class<byte[]>) of type X has the same erasure as create(Class<U>) of type Factory<T> but does not override it\n" +
"----------\n";
this.runNegativeTest(
new String[] {
"X.java",
"interface Factory<T> {\n" +
" <U extends T> U create(Class<U> cl);\n" +
"}\n" +
"abstract class X implements Factory<byte[]> {\n" +
" public byte[] create(Class<byte[]> cl) { return null; }\n" +
"}\n",
},
expectedCompilerLog
);
// javac 7 reports the name clash when X subclasses another class or is a concrete type
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=100149
public void test0749() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.List;\n" +
"\n" +
"public class X<T extends X<?>> {\n" +
" T get() { return null; }\n" +
" void foo(X x) {\n" +
" String s = x.get();\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 5)\n" +
" void foo(X x) {\n" +
" ^\n" +
"X is a raw type. References to generic type X<T> should be parameterized\n" +
"----------\n" +
"2. ERROR in X.java (at line 6)\n" +
" String s = x.get();\n" +
" ^^^^^^^\n" +
"Type mismatch: cannot convert from X to String\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=100149 - variation
public void test0750() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.List;\n" +
"\n" +
"public class X<T extends List<String>> {\n" +
" T get() { return null; }\n" +
" void foo(X x) {\n" +
" List<Object> l = x.get();\n" +
" }\n" +
" Zork z ;\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 5)\n" +
" void foo(X x) {\n" +
" ^\n" +
"X is a raw type. References to generic type X<T> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 6)\n" +
" List<Object> l = x.get();\n" +
" ^^^^^^^\n" +
"Type safety: The expression of type List needs unchecked conversion to conform to List<Object>\n" +
"----------\n" +
"3. ERROR in X.java (at line 8)\n" +
" Zork z ;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=100153
public void test0751() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T extends X<T>> {\n" +
" \n" +
" void foo(X<? extends T> x) {\n" +
" X<T> x2 = x;\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" X<T> x2 = x;\n" +
" ^\n" +
"Type mismatch: cannot convert from X<capture#1-of ? extends T> to X<T>\n" +
"----------\n");
}
public void test0752() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.io.Serializable;\n" +
"\n" +
"public class X<E extends Serializable> {\n" +
" X<? extends I<E>> parent;\n" +
" X<? extends I<E>> current;\n" +
" void foo() {\n" +
" current = current.parent;\n" +
" }\n" +
"}\n" +
"\n" +
"interface I<T> {\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 7)\n" +
" current = current.parent;\n" +
" ^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from X<capture#3-of ? extends I<capture#2-of ? extends I<E>>> to X<? extends I<E>>\n" +
"----------\n");
}
public void test0753() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.io.Serializable;\n" +
"\n" +
"public class X<E extends Serializable> {\n" +
" X<? super I<E>> parent;\n" +
" X<? super I<E>> current;\n" +
" void foo() {\n" +
" current = current.parent;\n" +
" }\n" +
"}\n" +
"\n" +
"interface I<T> {\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" X<? super I<E>> parent;\n" +
" ^^^^^^^^^\n" +
"Bound mismatch: The type ? super I<E> is not a valid substitute for the bounded parameter <E extends Serializable> of the type X<E>\n" +
"----------\n" +
"2. ERROR in X.java (at line 5)\n" +
" X<? super I<E>> current;\n" +
" ^^^^^^^^^\n" +
"Bound mismatch: The type ? super I<E> is not a valid substitute for the bounded parameter <E extends Serializable> of the type X<E>\n" +
"----------\n" +
"3. ERROR in X.java (at line 7)\n" +
" current = current.parent;\n" +
" ^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from X<capture#3-of ? super I<capture#2-of ? super I<E>>> to X<? super I<E>>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=99578
public void test0754() {
this.runNegativeTest(
new String[] {
"X.java",
"class bugSuper<T extends Object> {\n" +
" public T getData(){\n" +
" return null;\n" +
" }\n" +
"}\n" +
"\n" +
"class bugElement {\n" +
"}\n" +
"\n" +
"class bugClass<T extends bugElement> extends bugSuper<T>{\n" +
"}\n" +
"\n" +
"public class X{\n" +
" public void method(bugClass bc){\n" +
" bugElement be = bc.getData(); //<< here\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 14)\n" +
" public void method(bugClass bc){\n" +
" ^^^^^^^^\n" +
"bugClass is a raw type. References to generic type bugClass<T> should be parameterized\n" +
"----------\n" +
"2. ERROR in X.java (at line 15)\n" +
" bugElement be = bc.getData(); //<< here\n" +
" ^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Object to bugElement\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=99999
public void test0755() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T> {\n" +
" public static class B {}\n" +
" public static void main (String... args) {\n" +
" X<?>.B[] b = new X<?>.B[1];\n" +
" }\n" +
"}",
},
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" X<?>.B[] b = new X<?>.B[1];\n" +
" ^^^^^^\n" +
"The member type X.B cannot be qualified with a parameterized type, since it is static. Remove arguments from qualifying type X<?>\n" +
"----------\n" +
"2. ERROR in X.java (at line 4)\n" +
" X<?>.B[] b = new X<?>.B[1];\n" +
" ^^^^^^\n" +
"The member type X.B cannot be qualified with a parameterized type, since it is static. Remove arguments from qualifying type X<?>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=99999 - variation
public void test0756() {
runConformTest(
// test directory preparation
new String[] { /* test files */
"X.java",
"public class X<T> {\n" +
" public class B {}\n" +
" public static void main (String... args) {\n" +
" X<?>.B[] b = new X<?>.B[1];\n" +
" }\n" +
"}",
},
// javac options
JavacTestOptions.JavacHasABug.JavacBugFixed_7 /* javac test options */);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=100147
public void test0757() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<K, V> {\n" +
" static class EntryMap<K, V> {\n" +
" class Entry {\n" +
" }\n" +
" }\n" +
"\n" +
" EntryMap.Entry internalGet(Object key) {\n" +
" return null;\n" +
" }\n" +
" \n" +
" void foo(Object key) {\n" +
" EntryMap<K,V>.Entry entry = internalGet(key);\n" +
" }\n" +
" Zork z;\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 7)\n" +
" EntryMap.Entry internalGet(Object key) {\n" +
" ^^^^^^^^^^^^^^\n" +
"X.EntryMap.Entry is a raw type. References to generic type X.EntryMap<K,V>.Entry should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 12)\n" +
" EntryMap<K,V>.Entry entry = internalGet(key);\n" +
" ^^^^^^^^^^^^^^^^\n" +
"Type safety: The expression of type X.EntryMap.Entry needs unchecked conversion to conform to X.EntryMap<K,V>.Entry\n" +
"----------\n" +
"3. ERROR in X.java (at line 14)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=100147 - variation
public void test0758() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<K, V> {\n" +
" static class EntryMap<K, V> {\n" +
" class Entry {\n" +
" }\n" +
" }\n" +
"\n" +
" EntryMap.Entry internalGet(Object key) {\n" +
" return null;\n" +
" }\n" +
" \n" +
" void foo(Object key) {\n" +
" EntryMap<K,V>.Entry entry = (EntryMap.Entry) internalGet(key);\n" +
" }\n" +
" Zork z;\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 7)\n" +
" EntryMap.Entry internalGet(Object key) {\n" +
" ^^^^^^^^^^^^^^\n" +
"X.EntryMap.Entry is a raw type. References to generic type X.EntryMap<K,V>.Entry should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 12)\n" +
" EntryMap<K,V>.Entry entry = (EntryMap.Entry) internalGet(key);\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Unnecessary cast from X.EntryMap.Entry to X.EntryMap.Entry\n" +
"----------\n" +
"3. WARNING in X.java (at line 12)\n" +
" EntryMap<K,V>.Entry entry = (EntryMap.Entry) internalGet(key);\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: The expression of type X.EntryMap.Entry needs unchecked conversion to conform to X.EntryMap<K,V>.Entry\n" +
"----------\n" +
"4. WARNING in X.java (at line 12)\n" +
" EntryMap<K,V>.Entry entry = (EntryMap.Entry) internalGet(key);\n" +
" ^^^^^^^^^^^^^^\n" +
"X.EntryMap.Entry is a raw type. References to generic type X.EntryMap<K,V>.Entry should be parameterized\n" +
"----------\n" +
"5. ERROR in X.java (at line 14)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=100128
public void test0759() {
this.runConformTest(
new String[] {
"X.java",
"public class X<E>\n" +
"{\n" +
" E[] m;\n" +
" public X()\n" +
" {\n" +
" X<? extends E> x = null;\n" +
" System.out.println(x.m.length);\n" +
" }\n" +
"}\n",
},
"");
}
public void test0760() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"\n" +
"public class X<U> {\n" +
" public static <T> X<T> make() {\n" +
" return null;\n" +
" }\n" +
" public static <T> T itself(T t) {\n" +
" return t;\n" +
" }\n" +
"\n" +
" void foo() {\n" +
" X<Integer> x1 = make();\n" +
" X<Integer> x2 = itself(x1);\n" +
" }\n" +
" void bar() {\n" +
" X<Integer> x2 = itself(make());\n" +
" }\n" +
" void baz() {\n" +
" X<Integer> x2 = itself((X<Integer>)make());\n" +
" } \n" +
"} \n",
},
(this.complianceLevel < ClassFileConstants.JDK1_8 ?
"----------\n" +
"1. ERROR in X.java (at line 16)\n" +
" X<Integer> x2 = itself(make());\n" +
" ^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from X<Object> to X<Integer>\n" +
"----------\n" +
"2. ERROR in X.java (at line 19)\n" +
" X<Integer> x2 = itself((X<Integer>)make());\n" +
" ^^^^^^^^^^^^^^^^^^\n" +
"Cannot cast from X<Object> to X<Integer>\n" +
"----------\n"
:
"----------\n" +
"1. ERROR in X.java (at line 19)\n" +
" X<Integer> x2 = itself((X<Integer>)make());\n" +
" ^^^^^^^^^^^^^^^^^^\n" +
"Cannot cast from X<Object> to X<Integer>\n" +
"----------\n"
));
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=100421
public void test0761() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
"\n" +
" public abstract class ClassA<A, B> {\n" +
" public abstract B method(A param);\n" +
" }\n" +
"\n" +
" public class ClassB<C, D extends C> {\n" +
" // the following field declaration causes an error\n" +
" ClassA<? super C, ? extends D> classA;\n" +
"\n" +
" public D method(D d) {\n" +
" return classA.method(d);\n" +
" }\n" +
" }\n" +
"}\n",
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=100421 - variation
public void test0762() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
"\n" +
" public abstract class ClassA<A, B extends Number> {\n" +
" public abstract B method(A param);\n" +
" }\n" +
"\n" +
" public class ClassB<C extends Number, D extends C> {\n" +
" // the following field declaration causes an error\n" +
" ClassA<? super C, ? extends D> classA;\n" +
"\n" +
" public D method(D d) {\n" +
" return classA.method(d);\n" +
" }\n" +
" }\n" +
"}\n",
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=100519
public void test0763() {
this.runConformTest(
new String[] {
"X.java",
"public class X<E> {\n" +
" public static class InnerClass {\n" +
" public InnerClass() {\n" +
" System.out.println(\"class : \" + InnerClass.this);\n" +
" }\n" +
" }\n" +
"}\n",
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=100527
public void test0764() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.*;\n" +
" \n" +
"interface IIfClosure {}\n" +
" \n" +
"public class X {\n" +
" public X(String label, HashMap<String,Object> bindings) {\n" +
" this(label, bindings, (List<IIfClosure>)Collections.emptyList());\n" +
" }\n" +
" \n" +
" public X(String label, HashMap<String,Object> bindings, Collection<IIfClosure> coll) {\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 7)\n" +
" this(label, bindings, (List<IIfClosure>)Collections.emptyList());\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Cannot cast from List<Object> to List<IIfClosure>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=98379
public void test0765() {
this.runConformTest(
// test directory preparation
new String[] { /* test files */
"X.java",
"public class X {\n" +
" static <T extends X> T f1() throws Exception{\n" +
" return null;\n" +
" }\n" +
" static <U extends X> U f2() throws Exception {\n" +
" return f1();\n" +
" }\n" +
"}\n",
},
// javac options
JavacTestOptions.JavacHasABug.JavacBug6302954 /* javac test options */);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=99453
public void test0766() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"\n" +
"interface Cloneable<T extends Cloneable<T>> {\n" +
" public T clone();\n" +
"}\n" +
"\n" +
"interface CloneableMap<K, V extends Cloneable<V>> extends Map<K, V>, Cloneable<CloneableMap<K, V>> {\n" +
"}\n" +
"\n" +
"interface C<T extends C<T>> extends Cloneable<T> {\n" +
"}\n" +
"public class X {\n" +
" void foo() {\n" +
" CloneableMap<String, C<?>> map = null;\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 14)\n" +
" CloneableMap<String, C<?>> map = null;\n" +
" ^\n" +
"Bound mismatch: The type C<?> is not a valid substitute for the bounded parameter <V extends Cloneable<V>> of the type CloneableMap<K,V>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=99453 - variation
public void test0767() {
this.runConformTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"\n" +
"interface Cloneable<T extends Cloneable<T>> {\n" +
" public T clone();\n" +
"}\n" +
"\n" +
"interface CloneableMap<K, V extends Cloneable<V>> extends Map<K, V>, Cloneable<CloneableMap<K, V>> {\n" +
"}\n" +
"\n" +
"interface C extends Cloneable<C> {\n" +
"}\n" +
"public class X {\n" +
" void foo() {\n" +
" CloneableMap<String, C> map = null;\n" +
" }\n" +
"}\n",
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=100619
public void test0768() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" <T extends Runnable, U extends Runnable & T> T foo1() { return null; }\n" +
" <T extends Y<Object>, U extends Z & T> T foo2() { return null; }\n" +
" <T extends Y<Object>, U extends T & Z> T foo3() { return null; }\n" +
" <T extends Y<Object>, U extends W & Z> T foo4() { return null; }\n" +
"}\n" +
"\n" +
"interface Y<T> {\n" +
"}\n" +
"\n" +
"interface Z extends Y<String> {}\n" +
"interface W extends Y<Object> {}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 2)\n" +
" <T extends Runnable, U extends Runnable & T> T foo1() { return null; }\n" +
" ^\n" +
"The type T is not an interface; it cannot be specified as a bounded parameter\n" +
"----------\n" +
"2. ERROR in X.java (at line 3)\n" +
" <T extends Y<Object>, U extends Z & T> T foo2() { return null; }\n" +
" ^\n" +
"The type T is not an interface; it cannot be specified as a bounded parameter\n" +
"----------\n" +
"3. ERROR in X.java (at line 4)\n" +
" <T extends Y<Object>, U extends T & Z> T foo3() { return null; }\n" +
" ^\n" +
"Cannot specify any additional bound Z when first bound is a type parameter\n" +
"----------\n" +
"4. ERROR in X.java (at line 4)\n" +
" <T extends Y<Object>, U extends T & Z> T foo3() { return null; }\n" +
" ^\n" +
"The interface Y cannot be implemented more than once with different arguments: Y<String> and Y<Object>\n" +
"----------\n" +
"5. ERROR in X.java (at line 5)\n" +
" <T extends Y<Object>, U extends W & Z> T foo4() { return null; }\n" +
" ^\n" +
"The interface Y cannot be implemented more than once with different arguments: Y<String> and Y<Object>\n" +
"----------\n");
}
public void test0769() {
this.runConformTest(
new String[] {
"X.java",
"class XSuper<T> {\n" +
" T value;\n" +
"}\n" +
"public class X extends XSuper<String>{\n" +
" public void a() {\n" +
" value += 1;\n" +
" value = value + 1;\n" +
" System.out.println(value);\n" +
" }\n" +
"\n" +
" public static void main(final String[] args) {\n" +
" X x = new X();\n" +
" x.value = \"[\";\n" +
" x.a();\n" +
" }\n" +
"}\n",
},
"[11");
}
public void test0770() {
this.runConformTest(
new String[] {
"X.java",
"class XSuper<T> {\n" +
" T value;\n" +
"}\n" +
"public class X extends XSuper<String>{\n" +
" public void a() {\n" +
" this.value += 1;\n" +
" this.value = this.value + 1;\n" +
" System.out.println(this.value);\n" +
" }\n" +
"\n" +
" public static void main(final String[] args) {\n" +
" X x = new X();\n" +
" x.value = \"[\";\n" +
" x.a();\n" +
" }\n" +
"}\n",
},
"[11");
}
public void test0771() {
this.runConformTest(
new String[] {
"X.java",
"class XSuper<T> {\n" +
" T value;\n" +
"}\n" +
"public class X extends XSuper<String>{\n" +
" public static void a(X x) {\n" +
" x.value += 1;\n" +
" x.value = x.value + 1;\n" +
" System.out.println(x.value);\n" +
" }\n" +
"\n" +
" public static void main(final String[] args) {\n" +
" X x = new X();\n" +
" x.value = \"[\";\n" +
" a(x);\n" +
" }\n" +
"}\n",
},
"[11");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=101794
public void test0772() throws Exception {
this.runConformTest(
new String[] {
"X.java",
"interface Foo<T> {\n" +
" public T getIt();\n" +
"}\n" +
"\n" +
"class FooImpl implements Foo {\n" +
" public String getIt() {\n" +
" return null;\n" +
" }\n" +
"}\n" +
"public class X {\n" +
" public void doIt() {\n" +
" Object s = new FooImpl().getIt();\n" +
" }\n" +
"}\n",
},
"");
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" public void doIt() {\n" +
" Object s = new FooImpl().getIt();\n" +
" }\n" +
"}\n",
},
"",
null,
false,
null);
String expectedOutput =
" // Method descriptor #18 ()Ljava/lang/Object;\n" +
" // Stack: 1, Locals: 1\n" +
" public bridge synthetic java.lang.Object getIt();\n" +
" 0 aload_0 [this]\n" +
" 1 invokevirtual FooImpl.getIt() : java.lang.String [19]\n" +
" 4 areturn\n" +
" Line numbers:\n" +
" [pc: 0, line: 1]\n";
File f = new File(OUTPUT_DIR + File.separator + "FooImpl.class");
byte[] classFileBytes = org.eclipse.jdt.internal.compiler.util.Util.getFileByteContent(f);
ClassFileBytesDisassembler disassembler = ToolFactory.createDefaultClassFileBytesDisassembler();
String result = disassembler.disassemble(classFileBytes, "\n", ClassFileBytesDisassembler.DETAILED);
int index = result.indexOf(expectedOutput);
if (index == -1 || expectedOutput.length() == 0) {
System.out.println(Util.displayString(result, 3));
}
if (index == -1) {
assertEquals("Wrong contents", expectedOutput, result);
}
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=101794 - variation
public void test0773() throws Exception {
this.runConformTest(
new String[] {
"X.java",
"interface Foo<T extends Exception> {\n" +
" public T getIt() throws T;\n" +
"}\n" +
"\n" +
"class FooImpl implements Foo {\n" +
" public NullPointerException getIt() {\n" +
" return null;\n" +
" }\n" +
"}\n" +
"public class X {\n" +
" public void doIt() {\n" +
" Object s = new FooImpl().getIt();\n" +
" }\n" +
"}\n",
},
"");
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" public void doIt() {\n" +
" Object s = new FooImpl().getIt();\n" +
" }\n" +
"}\n",
},
"",
null,
false,
null);
String expectedOutput =
" // Method descriptor #18 ()Ljava/lang/Exception;\n" +
" // Stack: 1, Locals: 1\n" +
" public bridge synthetic java.lang.Exception getIt() throws java.lang.Exception;\n" +
" 0 aload_0 [this]\n" +
" 1 invokevirtual FooImpl.getIt() : java.lang.NullPointerException [22]\n" +
" 4 areturn\n" +
" Line numbers:\n" +
" [pc: 0, line: 1]\n";
File f = new File(OUTPUT_DIR + File.separator + "FooImpl.class");
byte[] classFileBytes = org.eclipse.jdt.internal.compiler.util.Util.getFileByteContent(f);
ClassFileBytesDisassembler disassembler = ToolFactory.createDefaultClassFileBytesDisassembler();
String result = disassembler.disassemble(classFileBytes, "\n", ClassFileBytesDisassembler.DETAILED);
int index = result.indexOf(expectedOutput);
if (index == -1 || expectedOutput.length() == 0) {
System.out.println(Util.displayString(result, 3));
}
if (index == -1) {
assertEquals("Wrong contents", expectedOutput, result);
}
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=98532
public void test0774() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T> {\n" +
" static class StaticInnerNoParam {\n" +
" T x;\n" +
" }\n" +
" class NonStaticInnerParam<T> {} \n" +
" static class StaticInnerParam<T> { }\n" +
" <T> void foo(T t) {}\n" +
" static <T> void bar(T t) {}\n" +
" <T> X(T t) {}\n" +
" \n" +
" class U {}\n" +
" <U> void foo2(U t) {}\n" +
" static <U> void bar2(U t) {}\n" +
" class NonStaticInnerParam2<U> {} \n" +
" static class StaticInnerParam2<U> {} \n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 3)\n" +
" T x;\n" +
" ^\n" +
"Cannot make a static reference to the non-static type T\n" +
"----------\n" +
"2. WARNING in X.java (at line 5)\n" +
" class NonStaticInnerParam<T> {} \n" +
" ^\n" +
"The type parameter T is hiding the type T\n" +
"----------\n" +
"3. WARNING in X.java (at line 7)\n" +
" <T> void foo(T t) {}\n" +
" ^\n" +
"The type parameter T is hiding the type T\n" +
"----------\n" +
"4. WARNING in X.java (at line 9)\n" +
" <T> X(T t) {}\n" +
" ^\n" +
"The type parameter T is hiding the type T\n" +
"----------\n" +
"5. WARNING in X.java (at line 12)\n" +
" <U> void foo2(U t) {}\n" +
" ^\n" +
"The type parameter U is hiding the type X<T>.U\n" +
"----------\n" +
"6. WARNING in X.java (at line 13)\n" +
" static <U> void bar2(U t) {}\n" +
" ^\n" +
"The type parameter U is hiding the type X<T>.U\n" +
"----------\n" +
"7. WARNING in X.java (at line 14)\n" +
" class NonStaticInnerParam2<U> {} \n" +
" ^\n" +
"The type parameter U is hiding the type X<T>.U\n" +
"----------\n" +
"8. WARNING in X.java (at line 15)\n" +
" static class StaticInnerParam2<U> {} \n" +
" ^\n" +
"The type parameter U is hiding the type X<T>.U\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=100153
public void test0775() {
this.runConformTest(
new String[] {
"X.java",
"public class X<T extends X<T>> {\n" +
" void foo1(X<? extends T> x) {}\n" +
" void foo2(X<? super T> x) {}\n" +
"}\n",
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=103023
public void test0776() {
runConformTest(
// test directory preparation
true /* flush output directory */,
new String[] { /* test files */
"X.java",
"import java.util.*;\n" +
"\n" +
"public class X<T extends Comparable<? super T>> {\n" +
"\n" +
" abstract class Foo<E> implements I<Foo<? extends E>> {}\n" +
"\n" +
" abstract class Bar<E> implements I<Bar<? extends E>> {}\n" +
"\n" +
" public void bar(List<Foo<T>> f, List<Bar<T>> b) {\n" +
" foo(f, b);\n" +
" }\n" +
"\n" +
" <C> void foo(List<? extends C> f, List<? extends C> b) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
" public static void main(String... args) {\n" +
" new X().bar(null, null);\n" +
" }\n" +
"}\n" +
"interface I<U> {}\n",
},
// compiler results
null /* do not check compiler log */,
// runtime results
"SUCCESS" /* expected output string */,
null /* do not check error string */,
// javac options
JavacTestOptions.JavacHasABug.JavacBugFixed_6_10 /* javac test options */);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=103472
public void test0777() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" public interface B<T> {\n" +
" public T a();\n" +
" }\n" +
"\n" +
" public interface C extends B {\n" +
" }\n" +
"\n" +
" public class D implements B<Integer> {\n" +
" public Integer a() {\n" +
" return 0;\n" +
" }\n" +
" }\n" +
"\n" +
" // Illegal\n" +
" public class E implements B<Integer>, C {\n" +
" public Integer a() {\n" +
" return 0;\n" +
" }\n" +
" }\n" +
"\n" +
" // why is this allowed?\n" +
" public class F extends D implements C {\n" +
" public Integer a() {\n" +
" return 0;\n" +
" }\n" +
" }\n" +
"\n" +
" public interface G<T> {\n" +
" public void a(T pArg);\n" +
" }\n" +
"\n" +
" public interface H extends G {\n" +
" public Object b();\n" +
" }\n" +
"\n" +
" public class I implements G<Integer> {\n" +
" public void a(Integer pInt) {\n" +
" }\n" +
" }\n" +
"\n" +
" // Illegal. Huh?\n" +
" public class J extends I implements G {\n" +
" public Integer a() {\n" +
" return 0;\n" +
" }\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 6)\n" +
" public interface C extends B {\n" +
" ^\n" +
"X.B is a raw type. References to generic type X.B<T> should be parameterized\n" +
"----------\n" +
"2. ERROR in X.java (at line 16)\n" +
" public class E implements B<Integer>, C {\n" +
" ^\n" +
"The interface B cannot be implemented more than once with different arguments: X.B and X.B<Integer>\n" +
"----------\n" +
"3. ERROR in X.java (at line 23)\n" +
" public class F extends D implements C {\n" +
" ^\n" +
"The interface B cannot be implemented more than once with different arguments: X.B<Integer> and X.B\n" +
"----------\n" +
"4. WARNING in X.java (at line 24)\n" +
" public Integer a() {\n" +
" ^^^\n" +
"The method a() of type X.F should be tagged with @Override since it actually overrides a superclass method\n" +
"----------\n" +
"5. WARNING in X.java (at line 33)\n" +
" public interface H extends G {\n" +
" ^\n" +
"X.G is a raw type. References to generic type X.G<T> should be parameterized\n" +
"----------\n" +
"6. ERROR in X.java (at line 43)\n" +
" public class J extends I implements G {\n" +
" ^\n" +
"The interface G cannot be implemented more than once with different arguments: X.G<Integer> and X.G\n" +
"----------\n" +
"7. WARNING in X.java (at line 43)\n" +
" public class J extends I implements G {\n" +
" ^\n" +
"X.G is a raw type. References to generic type X.G<T> should be parameterized\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=103472 - variation
public void test0778() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" interface B<T> {}\n" +
"\n" +
" interface C extends B {}\n" +
"\n" +
" class D implements B<Integer> {}\n" +
"\n" +
" class F extends D implements C {}\n" +
" \n" +
" class V<U extends D & C> {}\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 4)\n" +
" interface C extends B {}\n" +
" ^\n" +
"X.B is a raw type. References to generic type X.B<T> should be parameterized\n" +
"----------\n" +
"2. ERROR in X.java (at line 8)\n" +
" class F extends D implements C {}\n" +
" ^\n" +
"The interface B cannot be implemented more than once with different arguments: X.B<Integer> and X.B\n" +
"----------\n" +
"3. ERROR in X.java (at line 10)\n" +
" class V<U extends D & C> {}\n" +
" ^\n" +
"The interface B cannot be implemented more than once with different arguments: X.B and X.B<Integer>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=103227
public void test0779() throws Exception {
this.runConformTest(
new String[] {
"X.java",
"import java.util.AbstractList;\n" +
"import java.util.List;\n" +
"\n" +
"public class X {\n" +
" private static class Entry {\n" +
" public void doIt(final List<? extends String> args) {\n" +
" List<String> list = new AbstractList<String>() {\n" +
" @Override public int size() { return 0; }\n" +
" @Override public String get(int i) { return args.get(i); }\n" +
" };\n" +
" }\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" new Entry().doIt(null);\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
"}\n",
},
"SUCCESS");
String expectedOutput =
" // Method descriptor #31 (I)Ljava/lang/Object;\n" +
" // Stack: 2, Locals: 2\n" +
" public bridge synthetic java.lang.Object get(int arg0);\n" +
" 0 aload_0 [this]\n" +
" 1 iload_1 [arg0]\n" +
" 2 invokevirtual X$Entry$1.get(int) : java.lang.String [36]\n" +
" 5 areturn\n" +
" Line numbers:\n" +
" [pc: 0, line: 1]\n";
// check no unnecessary checkcast on bridge method for X$1
File f = new File(OUTPUT_DIR + File.separator + "X$Entry$1.class");
byte[] classFileBytes = org.eclipse.jdt.internal.compiler.util.Util.getFileByteContent(f);
ClassFileBytesDisassembler disassembler = ToolFactory.createDefaultClassFileBytesDisassembler();
String result = disassembler.disassemble(classFileBytes, "\n", ClassFileBytesDisassembler.DETAILED);
int index = result.indexOf(expectedOutput);
if (index == -1 || expectedOutput.length() == 0) {
System.out.println(Util.displayString(result, 3));
}
if (index == -1) {
assertEquals("Wrong contents", expectedOutput, result);
}
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=103227 - variation
public void test0780() {
this.runConformTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"\n" +
"public class X {\n" +
" long foo(List<? extends Long> list) {\n" +
" return list.get(0);\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" List<Long> list = new ArrayList<Long>();\n" +
" list.add(123L);\n" +
" System.out.println(new X().foo(list));\n" +
" }\n" +
"}\n",
},
"123");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=104109
public void test0781() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
"\n" +
" public static <E, T extends E & Comparable<? super T>> Foo<E> doIt(T t) {\n" +
" return null;\n" +
" }\n" +
" \n" +
" interface Foo<E> {\n" +
" boolean ok(E e);\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 3)\n" +
" public static <E, T extends E & Comparable<? super T>> Foo<E> doIt(T t) {\n" +
" ^^^^^^^^^^\n" +
"Cannot specify any additional bound Comparable<? super T> when first bound is a type parameter\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=104082
public void test0782() {
this.runConformTest(
new String[] {
"X.java",
"import java.lang.reflect.*;\n" +
"import java.util.*;\n" +
"\n" +
"interface StoredObject {\n" +
" String getUid();\n" +
" String getName();\n" +
" String getDescription();\n" +
"}\n" +
"\n" +
"interface GraphDiagramNode // extends Comparable\n" +
"{\n" +
"}\n" +
"\n" +
"public class X<ObjectType extends StoredObject, ParentType extends StoredObject> implements GraphDiagramNode {\n" +
" private final JccsGraphDiagramModel model;\n" +
" private final X<? extends ParentType, ?> parent;\n" +
" private final ObjectType object;\n" +
"\n" +
" public class JccsGraphDiagramModel {\n" +
" }\n" +
"\n" +
" public interface GraphDiagramModel {\n" +
" }\n" +
"\n" +
" public class Dependency {\n" +
"\n" +
" }\n" +
"\n" +
" public X(JccsGraphDiagramModel argModel, X<? extends ParentType, ?> argParent, ObjectType argObject) {\n" +
" model = argModel;\n" +
" parent = argParent;\n" +
" object = argObject;\n" +
" }\n" +
"\n" +
" protected <ChildType extends StoredObject> Collection<? extends X<ChildType, ? super ObjectType>> createChildren(\n" +
" Iterator<ChildType> argData, Class<? extends X<ChildType, ? super ObjectType>> argChildNodeClass,\n" +
" Class<? extends StoredObject> argInterface) {\n" +
" Collection<X<ChildType, ? super ObjectType>> output = new LinkedList<X<ChildType, ? super ObjectType>>();\n" +
"\n" +
" try {\n" +
" while (argData.hasNext()) {\n" +
" ChildType next = argData.next();\n" +
" Constructor<? extends X<ChildType, ? super ObjectType>> constructor = argChildNodeClass.getConstructor(\n" +
" JccsGraphDiagramModel.class, getClass(), argInterface);\n" +
"\n" +
" output.add(constructor.newInstance(model, this, next));\n" +
" }\n" +
" } catch (Exception x) {\n" +
" x.printStackTrace();\n" +
" }\n" +
"\n" +
" return output;\n" +
" }\n" +
"}\n",
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=104167
public void test0783() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T> {\n" +
" private static class B{\n" +
" private int foo; //incorrectly identified as unused\n" +
" }\n" +
" void bar(B b){\n" +
" if (b.foo == 0)\n" +
" return;\n" +
" }\n" +
" Zork z;\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 9)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=104082 - variation
public void test0784() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T, U> {\n" +
" X<? extends U, ?> parent;\n" +
"\n" +
" public X(X<? extends U, ?> parent) {\n" +
" this.parent = parent;\n" +
" }\n" +
"}\n",
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=103528
public void test0785() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"public class X {\n" +
" <T extends Collection<? extends Number>> T getLonger(T t1, T t2) {\n" +
" return t1.size() > t2.size() ? t1 : t2;\n" +
" }\n" +
" \n" +
" void m(HashSet<?> list, ArrayList<?> set) {\n" +
" getLonger(list, set);\n" +
" }\n" +
"}\n",
},
this.complianceLevel < ClassFileConstants.JDK1_8 ?
"----------\n" +
"1. ERROR in X.java (at line 8)\n" +
" getLonger(list, set);\n" +
" ^^^^^^^^^\n" +
"Bound mismatch: The generic method getLonger(T, T) of type X is not applicable for the arguments (HashSet<capture#3-of ?>, ArrayList<capture#4-of ?>). The inferred type AbstractCollection<? extends Object>&Cloneable&Serializable is not a valid substitute for the bounded parameter <T extends Collection<? extends Number>>\n" +
"----------\n" :
"----------\n" +
"1. ERROR in X.java (at line 8)\n" +
" getLonger(list, set);\n" +
" ^^^^^^^^^\n" +
"The method getLonger(T, T) in the type X is not applicable for the arguments (HashSet<capture#3-of ?>, ArrayList<capture#4-of ?>)\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=103528 - variation
public void test0786() {
this.runConformTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"public class X {\n" +
" <T extends Collection<? extends Object>> T getLonger(T t1, T t2) {\n" +
" return t1.size() > t2.size() ? t1 : t2;\n" +
" }\n" +
" \n" +
" void m(HashSet<?> list, ArrayList<?> set) {\n" +
" getLonger(list, set);\n" +
" }\n" +
"}\n",
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=103528 - variation
public void test0787() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"public class X<U> {\n" +
" <T extends Collection<? extends U>> T getLonger(T t1, T t2) {\n" +
" return t1.size() > t2.size() ? t1 : t2;\n" +
" }\n" +
" \n" +
" void m(HashSet<?> list, ArrayList<?> set) {\n" +
" getLonger(list, set);\n" +
" }\n" +
"}\n",
},
this.complianceLevel < ClassFileConstants.JDK1_8 ?
"----------\n" +
"1. ERROR in X.java (at line 8)\n" +
" getLonger(list, set);\n" +
" ^^^^^^^^^\n" +
"Bound mismatch: The generic method getLonger(T, T) of type X<U> is not applicable for the arguments (HashSet<capture#3-of ?>, ArrayList<capture#4-of ?>). The inferred type AbstractCollection<? extends Object>&Cloneable&Serializable is not a valid substitute for the bounded parameter <T extends Collection<? extends U>>\n" +
"----------\n" :
"----------\n" +
"1. ERROR in X.java (at line 8)\n" +
" getLonger(list, set);\n" +
" ^^^^^^^^^\n" +
"The method getLonger(T, T) in the type X<U> is not applicable for the arguments (HashSet<capture#3-of ?>, ArrayList<capture#4-of ?>)\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=103994
public void test0788() {
this.runConformTest(
new String[] {
"test/A.java",
"package test;\n" +
"\n" +
"public class A<C extends java.nio.channels.Channel>\n" +
"{\n" +
" class B\n" +
" extends A<java.nio.channels.SocketChannel>\n" +
" {\n" +
" }\n" +
"}\n",
"java/nio/channels/spi/AbstractSelectableChannel.java",
"package java.nio.channels.spi;\n" +
"\n" +
"public abstract class AbstractSelectableChannel\n" +
" extends java.nio.channels.SelectableChannel\n" +
"{\n" +
"}\n",
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=103994 - variation (change ordering of files should have no effect)
public void test0789() {
this.runConformTest(
new String[] {
"java/nio/channels/spi/AbstractSelectableChannel.java",
"package java.nio.channels.spi;\n" +
"\n" +
"public abstract class AbstractSelectableChannel\n" +
" extends java.nio.channels.SelectableChannel\n" +
"{\n" +
"}\n",
"test/A.java",
"package test;\n" +
"\n" +
"public class A<C extends java.nio.channels.Channel>\n" +
"{\n" +
" class B\n" +
" extends A<java.nio.channels.SocketChannel>\n" +
" {\n" +
" }\n" +
"}\n",
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=103485
public void test0790() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" <T extends Comparable<T>> boolean isGreater(T t1, T t2) {\n" +
" return t1.compareTo(t2) > 0 ? true : false; \n" +
" }\n" +
"\n" +
" void method1(Integer i, Double d) {\n" +
" if (isGreater(i, d)) \n" +
" System.out.println(\"GREATER\");\n" +
" else\n" +
" System.out.println(\"LOWER\");\n" +
" }\n" +
" void method2(Integer i, Double d) {\n" +
" Comparable<? extends Number> c1= i;\n" +
" Comparable<? extends Number> c2= d;\n" +
" isGreater(c1, c2);\n" +
" } \n" +
" void method3(Integer i, Double d) {\n" +
" Comparable c1= i;\n" +
" Comparable c2= d;\n" +
" isGreater(c1, c2);\n" +
" } \n" +
" public static void main(String[] args) {\n" +
" Integer i = 1;\n" +
" Double d = 2.0;\n" +
" new X().method1(i, d);\n" +
" new X().method2(i, d);\n" +
" new X().method3(i, d);\n" +
" }\n" +
"}\n",
},
this.complianceLevel < ClassFileConstants.JDK1_8 ?
"----------\n" +
"1. ERROR in X.java (at line 7)\n" +
" if (isGreater(i, d)) \n" +
" ^^^^^^^^^\n" +
"Bound mismatch: The generic method isGreater(T, T) of type X is not applicable for the arguments (Integer, Double). The inferred type Number&Comparable<?> is not a valid substitute for the bounded parameter <T extends Comparable<T>>\n" +
"----------\n" +
"2. ERROR in X.java (at line 15)\n" +
" isGreater(c1, c2);\n" +
" ^^^^^^^^^\n" +
"Bound mismatch: The generic method isGreater(T, T) of type X is not applicable for the arguments (Comparable<capture#1-of ? extends Number>, Comparable<capture#2-of ? extends Number>). The inferred type Comparable<? extends Number> is not a valid substitute for the bounded parameter <T extends Comparable<T>>\n" +
"----------\n" +
"3. WARNING in X.java (at line 18)\n" +
" Comparable c1= i;\n" +
" ^^^^^^^^^^\n" +
"Comparable is a raw type. References to generic type Comparable<T> should be parameterized\n" +
"----------\n" +
"4. WARNING in X.java (at line 19)\n" +
" Comparable c2= d;\n" +
" ^^^^^^^^^^\n" +
"Comparable is a raw type. References to generic type Comparable<T> should be parameterized\n" +
"----------\n" +
"5. WARNING in X.java (at line 20)\n" +
" isGreater(c1, c2);\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked invocation isGreater(Comparable, Comparable) of the generic method isGreater(T, T) of type X\n" +
"----------\n" :
"----------\n" +
"1. ERROR in X.java (at line 7)\n" +
" if (isGreater(i, d)) \n" +
" ^^^^^^^^^\n" +
"The method isGreater(T, T) in the type X is not applicable for the arguments (Integer, Double)\n" +
"----------\n" +
"2. ERROR in X.java (at line 15)\n" +
" isGreater(c1, c2);\n" +
" ^^^^^^^^^\n" +
"The method isGreater(T, T) in the type X is not applicable for the arguments (Comparable<capture#1-of ? extends Number>, Comparable<capture#2-of ? extends Number>)\n" +
"----------\n" +
"3. WARNING in X.java (at line 18)\n" +
" Comparable c1= i;\n" +
" ^^^^^^^^^^\n" +
"Comparable is a raw type. References to generic type Comparable<T> should be parameterized\n" +
"----------\n" +
"4. WARNING in X.java (at line 19)\n" +
" Comparable c2= d;\n" +
" ^^^^^^^^^^\n" +
"Comparable is a raw type. References to generic type Comparable<T> should be parameterized\n" +
"----------\n" +
"5. WARNING in X.java (at line 20)\n" +
" isGreater(c1, c2);\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked invocation isGreater(Comparable, Comparable) of the generic method isGreater(T, T) of type X\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=104655
public void test0791() {
runConformTest(
// test directory preparation
true /* flush output directory */,
new String[] { /* test files */
"X.java",
"public class X {\n" +
" <Sup, E1 extends Sup, E2 extends Sup> Sup method1(boolean b, E1 e1, E2 e2) {\n" +
" if (b)\n" +
" return e1;\n" +
" else\n" +
" return e2;\n" +
" }\n" +
"\n" +
" <Sup, E1 extends Sup, E2 extends Sup> Sup method2(boolean b, E1 e1, E2 e2) {\n" +
" return b ? e1 : e2;\n" +
" }\n" +
"}\n",
},
// compiler results
null /* do not check compiler log */,
// runtime results
"" /* expected output string */,
null /* do not check error string */,
// javac options
JavacTestOptions.JavacHasABug.JavacBugFixed_7 /* javac test options */);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=104649
public void test0792() {
runConformTest(
// test directory preparation
new String[] { /* test files */
"X.java",
"public class X<E> {\n" +
" void shouldcompile() {\n" +
" java.util.Collections.max(null);\n" +
" }\n" +
"}\n",
},
// javac options
JavacTestOptions.JavacHasABug.JavacBugFixed_7 /* javac test options */);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=105635
public void test0793() {
this.runNegativeTest(
new String[] {
"X.java",
"class X { \n" +
" public java.util.List<Integer> i,j[],k;\n" +
" void m() {\n" +
" i[0] = null;\n" +
" j[0] = null;\n" +
" k[0] = null;\n" +
" }\n" +
"}",
},
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" i[0] = null;\n" +
" ^^^^\n" +
"The type of the expression must be an array type but it resolved to List<Integer>\n" +
"----------\n" +
"2. ERROR in X.java (at line 6)\n" +
" k[0] = null;\n" +
" ^^^^\n" +
"The type of the expression must be an array type but it resolved to List<Integer>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=105635
public void test0794() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.List;\n" +
"class X { \n" +
" public List<Integer> i,j[],k;\n" +
" void m() {\n" +
" i[0] = null;\n" +
" j[0] = null;\n" +
" k[0] = null;\n" +
" }\n" +
"}",
},
"----------\n" +
"1. ERROR in X.java (at line 5)\n" +
" i[0] = null;\n" +
" ^^^^\n" +
"The type of the expression must be an array type but it resolved to List<Integer>\n" +
"----------\n" +
"2. ERROR in X.java (at line 7)\n" +
" k[0] = null;\n" +
" ^^^^\n" +
"The type of the expression must be an array type but it resolved to List<Integer>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=106297
public void test0795() {
this.runConformTest(
new String[] {
"X.java",
"public class X<T> { \n" +
" class B {\n" +
" B() {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
" }\n" +
" static { \n" +
" new X<String>().new B() {};\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" \n" +
" }\n" +
"}\n",
},
"SUCCESS");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=106297 - variation
public void test0796() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T> { \n" +
" class B {\n" +
" B(T t) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
" }\n" +
" static { \n" +
" new X<String>().new B(12) {};\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" \n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 8)\n" +
" new X<String>().new B(12) {};\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"The constructor X<String>.B(int) is undefined\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=106297 - variation
public void test0797() {
this.runConformTest(
new String[] {
"X.java",
"public class X<T> { \n" +
" class B {\n" +
" B() {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
" }\n" +
" static { \n" +
" new X<String>().new B();\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" \n" +
" }\n" +
"}\n",
},
"SUCCESS");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=106284
public void test0798() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.math.BigDecimal;\n" +
"\n" +
"public class X\n" +
"{\n" +
" private static <T extends Comparable<? super T>> T max(T... elems)\n" +
" {\n" +
" T max=null;\n" +
" for (T elem : elems)\n" +
" if (max == null || max.compareTo(elem) < 0)\n" +
" max=elem;\n" +
" return max;\n" +
" }\n" +
"\n" +
" public static void main(String[] args)\n" +
" {\n" +
" System.out.println(max(1, 2.0, new BigDecimal(Math.PI)));\n" +
" }\n" +
"}\n",
},
this.complianceLevel < ClassFileConstants.JDK1_7 ?
"----------\n" +
"1. ERROR in X.java (at line 16)\n" +
" System.out.println(max(1, 2.0, new BigDecimal(Math.PI)));\n" +
" ^^^\n" +
"Bound mismatch: The generic method max(T...) of type X is not applicable for the arguments (Integer, Double, BigDecimal). The inferred type Number&Comparable<?> is not a valid substitute for the bounded parameter <T extends Comparable<? super T>>\n" +
"----------\n" :
this.complianceLevel < ClassFileConstants.JDK1_8 ?
"----------\n" +
"1. WARNING in X.java (at line 5)\n" +
" private static <T extends Comparable<? super T>> T max(T... elems)\n" +
" ^^^^^\n" +
"Type safety: Potential heap pollution via varargs parameter elems\n" +
"----------\n" +
"2. ERROR in X.java (at line 16)\n" +
" System.out.println(max(1, 2.0, new BigDecimal(Math.PI)));\n" +
" ^^^\n" +
"Bound mismatch: The generic method max(T...) of type X is not applicable for the arguments (Integer, Double, BigDecimal). The inferred type Number&Comparable<?> is not a valid substitute for the bounded parameter <T extends Comparable<? super T>>\n" +
"----------\n" :
"----------\n" +
"1. WARNING in X.java (at line 5)\n" +
" private static <T extends Comparable<? super T>> T max(T... elems)\n" +
" ^^^^^\n" +
"Type safety: Potential heap pollution via varargs parameter elems\n" +
"----------\n" +
"2. ERROR in X.java (at line 16)\n" +
" System.out.println(max(1, 2.0, new BigDecimal(Math.PI)));\n" +
" ^^^\n" +
"The method max(T...) in the type X is not applicable for the arguments (int, double, BigDecimal)\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=105531
public void test0799() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T> {\n" +
" Y first;\n" +
" Y first2;\n" +
"\n" +
" <U> U foo(U u1, U u2) {\n" +
" return u1;\n" +
" }\n" +
" void bar2(Y<? extends T> ref) {\n" +
" String s = foo(ref, first);\n" +
" }\n" +
" \n" +
" void foo(Y<? extends T> ref) {\n" +
" ref.next = first == null ? ref : first;\n" +
" String s = first == null ? ref : first;\n" +
" ref.next = first2 == null ? ref : first2;\n" +
" }\n" +
" Y<? extends T> bar(Y<? extends T> ref) {\n" +
" return first == null ? ref : first;\n" +
" }\n" +
"}\n" +
"\n" +
"class Y<E> {\n" +
" Y<E> next;\n" +
"}\n",
},
this.complianceLevel < ClassFileConstants.JDK1_8 ?
"----------\n" +
"1. WARNING in X.java (at line 2)\n" +
" Y first;\n" +
" ^\n" +
"Y is a raw type. References to generic type Y<E> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 3)\n" +
" Y first2;\n" +
" ^\n" +
"Y is a raw type. References to generic type Y<E> should be parameterized\n" +
"----------\n" +
"3. ERROR in X.java (at line 9)\n" +
" String s = foo(ref, first);\n" +
" ^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Y to String\n" +
"----------\n" +
"4. WARNING in X.java (at line 13)\n" +
" ref.next = first == null ? ref : first;\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: The expression of type Y needs unchecked conversion to conform to Y<capture#2-of ? extends T>\n" +
"----------\n" +
"5. ERROR in X.java (at line 14)\n" +
" String s = first == null ? ref : first;\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Y to String\n" +
"----------\n" +
"6. WARNING in X.java (at line 15)\n" +
" ref.next = first2 == null ? ref : first2;\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: The expression of type Y needs unchecked conversion to conform to Y<capture#5-of ? extends T>\n" +
"----------\n" +
"7. WARNING in X.java (at line 18)\n" +
" return first == null ? ref : first;\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: The expression of type Y needs unchecked conversion to conform to Y<? extends T>\n" +
"----------\n" :
"----------\n" +
"1. WARNING in X.java (at line 2)\n" +
" Y first;\n" +
" ^\n" +
"Y is a raw type. References to generic type Y<E> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 3)\n" +
" Y first2;\n" +
" ^\n" +
"Y is a raw type. References to generic type Y<E> should be parameterized\n" +
"----------\n" +
"3. ERROR in X.java (at line 9)\n" +
" String s = foo(ref, first);\n" +
" ^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Y to String\n" +
"----------\n" +
"4. ERROR in X.java (at line 13)\n" +
" ref.next = first == null ? ref : first;\n" +
" ^^^\n" +
"Type mismatch: cannot convert from Y<capture#3-of ? extends T> to Y<capture#2-of ? extends T>\n" +
"----------\n" +
"5. WARNING in X.java (at line 13)\n" +
" ref.next = first == null ? ref : first;\n" +
" ^^^^^\n" +
"Type safety: The expression of type Y needs unchecked conversion to conform to Y<capture#2-of ? extends T>\n" +
"----------\n" +
"6. ERROR in X.java (at line 14)\n" +
" String s = first == null ? ref : first;\n" +
" ^^^\n" +
"Type mismatch: cannot convert from Y<capture#4-of ? extends T> to String\n" +
"----------\n" +
"7. ERROR in X.java (at line 14)\n" +
" String s = first == null ? ref : first;\n" +
" ^^^^^\n" +
"Type mismatch: cannot convert from Y to String\n" +
"----------\n" +
"8. ERROR in X.java (at line 15)\n" +
" ref.next = first2 == null ? ref : first2;\n" +
" ^^^\n" +
"Type mismatch: cannot convert from Y<capture#6-of ? extends T> to Y<capture#5-of ? extends T>\n" +
"----------\n" +
"9. WARNING in X.java (at line 15)\n" +
" ref.next = first2 == null ? ref : first2;\n" +
" ^^^^^^\n" +
"Type safety: The expression of type Y needs unchecked conversion to conform to Y<capture#5-of ? extends T>\n" +
"----------\n" +
"10. WARNING in X.java (at line 18)\n" +
" return first == null ? ref : first;\n" +
" ^^^^^\n" +
"Type safety: The expression of type Y needs unchecked conversion to conform to Y<? extends T>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=106744
public void test0800() {
runNegativeTest(
// test directory preparation
new String[] { /* test files */
"X.java",
"import java.lang.reflect.Constructor;\n" +
"\n" +
"public class X {\n" +
" public static void main(String[] args) {\n" +
" final Class<Ann> AnnClass = Ann.class;\n" +
" Constructor[] constrs = X.class.getConstructors();\n" +
" for (Constructor constructor : constrs) {\n" +
" final String message = constructor.getAnnotation(AnnClass).message();\n" +
" System.out.println(message);\n" +
" }\n" +
" }\n" +
"}\n" +
"\n" +
"@interface Ann {\n" +
" String message();\n" +
"}\n",
},
// compiler results
"----------\n" + /* expected compiler log */
"1. WARNING in X.java (at line 6)\n" +
" Constructor[] constrs = X.class.getConstructors();\n" +
" ^^^^^^^^^^^\n" +
"Constructor is a raw type. References to generic type Constructor<T> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 7)\n" +
" for (Constructor constructor : constrs) {\n" +
" ^^^^^^^^^^^\n" +
"Constructor is a raw type. References to generic type Constructor<T> should be parameterized\n" +
"----------\n" +
"3. WARNING in X.java (at line 8)\n" +
" final String message = constructor.getAnnotation(AnnClass).message();\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: The method getAnnotation(Class) belongs to the raw type Constructor. References to generic type Constructor<T> should be parameterized\n" +
"----------\n" +
"4. ERROR in X.java (at line 8)\n" +
" final String message = constructor.getAnnotation(AnnClass).message();\n" +
" ^^^^^^^\n" +
"The method message() is undefined for the type Annotation\n" +
"----------\n",
// javac options
JavacTestOptions.JavacHasABug.JavacBug6400189 /* javac test options */);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=106744 - variation
public void test0801() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" public static void main(String[] args) {\n" +
" try {\n" +
" X.class.getConstructor(new Class[0]).getAnnotation(Ann.class).message();\n" +
" } catch(Exception e) {\n" +
" }\n" +
" }\n" +
"}\n" +
"\n" +
"@interface Ann {\n" +
" String message();\n" +
"}\n",
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=106744 - variation
public void test0802() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<U> {\n" +
" void bar(Y y, X<ZZ> x) {\n" +
" y.foo(x).zz();\n" +
" }\n" +
"}\n" +
"class Y<V> {\n" +
" <T extends Z> T foo(X<T> x) { return null; }\n" +
"}\n" +
"\n" +
"class Z {\n" +
"}\n" +
"class ZZ extends Z {\n" +
" void zz() {}\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 2)\n" +
" void bar(Y y, X<ZZ> x) {\n" +
" ^\n" +
"Y is a raw type. References to generic type Y<V> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 3)\n" +
" y.foo(x).zz();\n" +
" ^^^^^^^^\n" +
"Type safety: The method foo(X) belongs to the raw type Y. References to generic type Y<V> should be parameterized\n" +
"----------\n" +
"3. ERROR in X.java (at line 3)\n" +
" y.foo(x).zz();\n" +
" ^^\n" +
"The method zz() is undefined for the type Z\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=101831
public void test0803() {
this.runNegativeTest(
false /* skipJavac */,
this.complianceLevel < ClassFileConstants.JDK1_8 ? null : JavacTestOptions.Excuse.EclipseHasSomeMoreWarnings,
new String[] {
"X.java",
"import java.util.*;\n" +
"\n" +
"public class X<A> {\n" +
" ArrayList<A> list = new ArrayList<A>();\n" +
" ArrayList<? super A> superList = new ArrayList<A>();\n" +
" ArrayList<? extends A> extendsList = new ArrayList<A>();\n" +
"\n" +
" ArrayList<A> getList() {\n" +
" return true ? list : list;\n" +
" }\n" +
"\n" +
" ArrayList<? super A> getSuperList() {\n" +
" return true ? superList : superList;\n" +
" }\n" +
"\n" +
" ArrayList<? extends A> getExtendsList() {\n" +
" return true ? extendsList : extendsList;\n" +
" }\n" +
"}\n",
},
this.complianceLevel < ClassFileConstants.JDK1_8 ?
"----------\n" +
"1. WARNING in X.java (at line 9)\n" +
" return true ? list : list;\n" +
" ^^^^\n" +
"Dead code\n" +
"----------\n" +
"2. ERROR in X.java (at line 13)\n" +
" return true ? superList : superList;\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from ArrayList<capture#3-of ? extends Object> to ArrayList<? super A>\n" +
"----------\n" +
"3. WARNING in X.java (at line 17)\n" +
" return true ? extendsList : extendsList;\n" +
" ^^^^^^^^^^^\n" +
"Dead code\n" +
"----------\n" :
"----------\n" +
"1. WARNING in X.java (at line 9)\n" +
" return true ? list : list;\n" +
" ^^^^\n" +
"Dead code\n" +
"----------\n" +
"2. WARNING in X.java (at line 13)\n" +
" return true ? superList : superList;\n" +
" ^^^^^^^^^\n" +
"Dead code\n" +
"----------\n" +
"3. WARNING in X.java (at line 17)\n" +
" return true ? extendsList : extendsList;\n" +
" ^^^^^^^^^^^\n" +
"Dead code\n" +
"----------\n"
);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=106865
public void test0804() {
this.runNegativeTest(
new String[] {
"X.java",
"class Y<E> {\n" +
" void foo(E e) {\n" +
" }\n" +
"}\n" +
"public class X {\n" +
" void method1(Y<? super Object[]> y, Object[] os) {\n" +
" y.foo(os);\n" +
" }\n" +
" void method2(Y<? super Cloneable> y, Cloneable c) {\n" +
" y.foo(c);\n" +
" } \n" +
" void method3(Y<? extends Object[]> y, Object[] os) {\n" +
" y.foo(os);\n" +
" }\n" +
" void method4(Y<? extends Cloneable> y, Cloneable c) {\n" +
" y.foo(c);\n" +
" } \n" +
" \n" +
" void bar(Y<Object> y) {\n" +
" method2(y, null);\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 13)\n" +
" y.foo(os);\n" +
" ^^^\n" +
"The method foo(capture#3-of ? extends Object[]) in the type Y<capture#3-of ? extends Object[]> is not applicable for the arguments (Object[])\n" +
"----------\n" +
"2. ERROR in X.java (at line 16)\n" +
" y.foo(c);\n" +
" ^^^\n" +
"The method foo(capture#4-of ? extends Cloneable) in the type Y<capture#4-of ? extends Cloneable> is not applicable for the arguments (Cloneable)\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=106936
public void test0805() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" static <T> T foo(T t1, T t2) { return t1; }\n" +
" public static void main(String[] args) {\n" +
" Number[] numbers = {}, numbers2, numbers3;\n" +
" Float[] floats = {};\n" +
" Integer[] integers = {};\n" +
"\n" +
" numbers2 = foo(numbers, floats);\n" +
" numbers3 = numbers != null ? numbers : floats;\n" +
" String s = foo(numbers, floats); \n" +
"\n" +
" numbers2 = foo(integers, floats);\n" +
" numbers3 = integers != null ? integers : floats;\n" +
" String s2 = foo(integers, floats);\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 10)\n" +
" String s = foo(numbers, floats); \n" +
" ^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Number[] to String\n" +
"----------\n" +
"2. ERROR in X.java (at line 14)\n" +
" String s2 = foo(integers, floats);\n" +
" ^^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Number&Comparable<? extends Number&Comparable<?>>[] to String\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=107079
public void test0806() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.ArrayList;\n" +
"import java.util.List;\n" +
"\n" +
"/**\n" +
" * This class demonstrates a generic program that Eclipse must not compile as it\n" +
" * can lead to a ClassCastException despite having no explicit type casts.\n" +
" */\n" +
"public class X {\n" +
" private static class ValueHolder<T> {\n" +
" public T value;\n" +
" }\n" +
"\n" +
" public static void main(final String[] args) {\n" +
" List<ValueHolder<?>> multiList = new ArrayList<ValueHolder<?>>();\n" +
"\n" +
" ValueHolder<Integer> intHolder = new ValueHolder<Integer>();\n" +
" intHolder.value = 1;\n" +
"\n" +
" ValueHolder<Double> doubleHolder = new ValueHolder<Double>();\n" +
" doubleHolder.value = 1.5;\n" +
"\n" +
" multiList.add(intHolder);\n" +
" multiList.add(doubleHolder);\n" +
"\n" +
" // I believe this line is being erroneously treated as a capture\n" +
" // conversion under 3.1 JDT.\n" +
" // I believe the problem is that ? cannot be captured except in a first\n" +
" // level wildcard.\n" +
" swapFirstTwoValues(multiList);\n" +
"\n" +
" // this line causes a ClassCastException when checked.\n" +
" Integer value = intHolder.value;\n" +
" System.out.println(value);\n" +
" }\n" +
"\n" +
" private static <T> void swapFirstTwoValues(List<ValueHolder<T>> multiList) {\n" +
" ValueHolder<T> intHolder = multiList.get(0);\n" +
" ValueHolder<T> doubleHolder = multiList.get(1);\n" +
"\n" +
" intHolder.value = doubleHolder.value;\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 29)\n" +
" swapFirstTwoValues(multiList);\n" +
" ^^^^^^^^^^^^^^^^^^\n" +
"The method swapFirstTwoValues(List<X.ValueHolder<T>>) in the type X is not applicable for the arguments (List<X.ValueHolder<?>>)\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=107756
public void test0807() {
this.runConformTest(
new String[] {
"X.java",
"interface Prop<BeanT> {\n" +
" Unmarshaller.Handler createHandler();\n" +
"}\n" +
"\n" +
"abstract class Unmarshaller {\n" +
" public static abstract class Handler {}\n" +
"}\n" +
"\n" +
"public class X {\n" +
" void foo(Prop p) {\n" +
" Unmarshaller.Handler h = p.createHandler(); \n" +
" }\n" +
"}\n",
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=107756 - variation
public void test0808() {
this.runConformTest(
new String[] {
"X.java",
"public class X<T> {\n" +
" \n" +
" public static void main(String[] args) {\n" +
" X x = new X();\n" +
" x.ax = new AX<String>();\n" +
" }\n" +
" \n" +
" AX<T> ax;\n" +
"}\n" +
"\n" +
"class AX <P> {\n" +
" AX<P> p;\n" +
"}\n",
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=106946
public void test0809() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.Iterator;\n" +
"\n" +
"class Node {}\n" +
"interface Set1<N extends Node> extends Iterable<N> {}\n" +
"interface Set2 extends Iterable<Node> {}\n" +
"\n" +
"class SetIterator<N extends Node> implements Iterator<N> {\n" +
" public N next() {\n" +
" return null;\n" +
" }\n" +
" public boolean hasNext() {\n" +
" return true;\n" +
" }\n" +
" public void remove() {\n" +
" }\n" +
"}\n" +
"interface Set3<N extends Node> extends Iterable<N> {\n" +
" SetIterator<N> iterator();\n" +
"}\n" +
"public class X {\n" +
" void f1(Set1 s) {\n" +
" Node n_ = s.iterator().next();\n" +
" // ^Type mismatch: cannot convert from Object to Node\n" +
" // this was unexpected (s can only contain types derivered from Node)\n" +
" for (Node n : s) {\n" +
" // ^Type mismatch: cannot convert from Object to Node\n" +
" // this was unexpected\n" +
" }\n" +
" }\n" +
" void f2(Set2 s) {\n" +
" Node n_ = s.iterator().next();\n" +
" for (Node n : s) {\n" +
" }\n" +
" }\n" +
" void f3(Set3 s) {\n" +
" Node n_ = s.iterator().next();\n" +
" // (^ no error here)\n" +
" for (Node n : s) {\n" +
" // ^Type mismatch: cannot convert from Object to Node\n" +
" // this is even stranger as we already know that s.iterator().next()\n" +
" // have the right type\n" +
" }\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 21)\n" +
" void f1(Set1 s) {\n" +
" ^^^^\n" +
"Set1 is a raw type. References to generic type Set1<N> should be parameterized\n" +
"----------\n" +
"2. ERROR in X.java (at line 22)\n" +
" Node n_ = s.iterator().next();\n" +
" ^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Object to Node\n" +
"----------\n" +
"3. ERROR in X.java (at line 25)\n" +
" for (Node n : s) {\n" +
" ^\n" +
"Type mismatch: cannot convert from element type Object to Node\n" +
"----------\n" +
"4. WARNING in X.java (at line 35)\n" +
" void f3(Set3 s) {\n" +
" ^^^^\n" +
"Set3 is a raw type. References to generic type Set3<N> should be parameterized\n" +
"----------\n" +
"5. ERROR in X.java (at line 38)\n" +
" for (Node n : s) {\n" +
" ^\n" +
"Type mismatch: cannot convert from element type Object to Node\n" +
"----------\n");
}
public void test0810() {
runConformTest(
// test directory preparation
true /* flush output directory */,
new String[] { /* test files */
"X.java",
"class A<T, U> {\n" +
" public String toString() {\n" +
" return \"SUCCESS\";\n" +
" }\n" +
"}\n" +
"public class X {\n" +
"\n" +
" public <K> A<K,K> foo(K type) {\n" +
" return new A<K,K>();\n" +
" }\n" +
"\n" +
" public static void main(String args[]) {\n" +
" X x = new X();\n" +
" A<?,?> a = x.foo(null);\n" +
" System.out.println(a);\n" +
" }\n" +
"}",
},
// compiler results
null /* do not check compiler log */,
// runtime results
"SUCCESS" /* expected output string */,
"" /* expected error string */,
// javac options
JavacTestOptions.JavacHasABug.JavacBugFixed_6_10 /* javac test options */);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=108372
public void test0811() {
this.runConformTest(
new String[] {
"X.java",
"public class X<T> {\n" +
" private T t;\n" +
" private X.Inner inner;\n" +
" private X.Inner[] inners;\n" +
" public X(T t, X.Inner in, X.Inner[] ins) {\n" +
" this.t = t;\n" +
" this.inner = in;\n" +
" this.inner = new X(null, null, null).new Inner();\n" +
" this.inners = ins;\n" +
" this.inners = new X.Inner[10];\n" +
" //Type mismatch: cannot convert from X.Inner[] to X<T>.Inner[]\n" +
" }\n" +
" private class Inner {\n" +
" }\n" +
"}\n",
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=108372 - variation
public void test0812() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T> {\n" +
" private T t;\n" +
" private X<?>.Inner inner;\n" +
" private X<?>.Inner[] inners;\n" +
" public X(T t) {\n" +
" this.t = t;\n" +
" this.inner = new X.Inner();\n" +
" this.inners = new X.Inner[10];\n" +
" Zork z;\n" +
" }\n" +
" private class Inner {\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 7)\n" +
" this.inner = new X.Inner();\n" +
" ^^^^^^^\n" +
"X.Inner is a raw type. References to generic type X<T>.Inner should be parameterized\n" +
"----------\n" +
"2. ERROR in X.java (at line 9)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=108372 - variation
public void test0813() {
runConformTest(
// test directory preparation
true /* flush output directory */,
new String[] { /* test files */
"X.java",
"public class X<T> {\n" +
" private T t;\n" +
" private X<?>.Inner[] inners;\n" +
" public X(T t) {\n" +
" this.t = t;\n" +
" this.inners = new X<?>.Inner[10];\n" +
" }\n" +
" private class Inner {\n" +
" }\n" +
"}\n",
},
// compiler results
null /* do not check compiler log */,
// runtime results
"" /* expected output string */,
"" /* expected error string */,
// javac options
JavacTestOptions.JavacHasABug.JavacBugFixed_7 /* javac test options */);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=104695
public void test0814() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"public class X<E> {\n" +
" void method(Object o) {\n" +
" if (o instanceof E[]) { //incorrect: cannot test non-reifiable type\n" +
" E[] es = (E[]) o;\n" +
" }\n" +
" if (o instanceof List<E>[]) { //incorrect too\n" +
" List<E>[] es = (List<E>[]) o; \n" +
" }\n" +
" if (o instanceof List<?>[]) { // unbound is ok\n" +
" List<?>[] es = (List<?>[]) o;\n" +
" }\n" +
" }\n" +
" void method(ArrayList<E>[] al) {\n" +
" if (al instanceof List<E>[]) { //incorrect too\n" +
" List<E>[] es = (List<E>[]) al; \n" +
" } \n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" if (o instanceof E[]) { //incorrect: cannot test non-reifiable type\n" +
" ^^^^^^^^^^^^^^^^\n" +
"Cannot perform instanceof check against type parameter E[]. Use its erasure Object[] instead since further generic type information will be erased at runtime\n" +
"----------\n" +
"2. WARNING in X.java (at line 5)\n" +
" E[] es = (E[]) o;\n" +
" ^^^^^^^\n" +
"Type safety: Unchecked cast from Object to E[]\n" +
"----------\n" +
"3. ERROR in X.java (at line 7)\n" +
" if (o instanceof List<E>[]) { //incorrect too\n" +
" ^^^^^^^^^^^^^^^^^^^^^^\n" +
"Cannot perform instanceof check against parameterized type List<E>[]. Use the form List<?>[] instead since further generic type information will be erased at runtime\n" +
"----------\n" +
"4. WARNING in X.java (at line 8)\n" +
" List<E>[] es = (List<E>[]) o; \n" +
" ^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from Object to List<E>[]\n" +
"----------\n" +
"5. ERROR in X.java (at line 15)\n" +
" if (al instanceof List<E>[]) { //incorrect too\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Cannot perform instanceof check against parameterized type List<E>[]. Use the form List<?>[] instead since further generic type information will be erased at runtime\n" +
"----------\n" +
"6. WARNING in X.java (at line 16)\n" +
" List<E>[] es = (List<E>[]) al; \n" +
" ^^^^^^^^^^^^^^\n" +
"Unnecessary cast from ArrayList<E>[] to List<E>[]\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=104695 - variation
public void test0815() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<E> {\n" +
" void foo(Object[][] e) {\n" +
" E[] o = (E[]) e;\n" +
" Zork z;\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 3)\n" +
" E[] o = (E[]) e;\n" +
" ^^^^^^^\n" +
"Type safety: Unchecked cast from Object[][] to E[]\n" +
"----------\n" +
"2. ERROR in X.java (at line 4)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=104695 - variation
public void test0816() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"public class X<E> {\n" +
" void method(Object[] o) {\n" +
" if (o instanceof List<E>[][]) { //incorrect too\n" +
" List<E>[][] es = (List<E>[][]) o; \n" +
" }\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" if (o instanceof List<E>[][]) { //incorrect too\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Cannot perform instanceof check against parameterized type List<E>[][]. Use the form List<?>[][] instead since further generic type information will be erased at runtime\n" +
"----------\n" +
"2. WARNING in X.java (at line 5)\n" +
" List<E>[][] es = (List<E>[][]) o; \n" +
" ^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from Object[] to List<E>[][]\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=104695 - variation
public void test0817() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.List;\n" +
"\n" +
"public class X<T> {\n" +
" private T t;\n" +
" private X<?>.Inner inner;\n" +
" private X<?>.Inner[] inners;\n" +
" public X(T t) {\n" +
" this.t = t;\n" +
" if (this.inner instanceof X<?>.Inner) {}\n" +
" if (this.inners instanceof X<?>.Inner[]) {}\n" +
" }\n" +
" private class Inner {\n" +
" }\n" +
" void foo(List l) {\n" +
" if (l instanceof List<?>) {}\n" +
" if (l instanceof List<? extends String>) {}\n" +
" }\n" +
" void foo(List[] ls) {\n" +
" if (ls instanceof List<?>[]) {}\n" +
" if (ls instanceof List<? extends String>[]) {}\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 9)\n" +
" if (this.inner instanceof X<?>.Inner) {}\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"The expression of type X<?>.Inner is already an instance of type X<?>.Inner\n" +
"----------\n" +
"2. WARNING in X.java (at line 10)\n" +
" if (this.inners instanceof X<?>.Inner[]) {}\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"The expression of type X<?>.Inner[] is already an instance of type X<?>.Inner[]\n" +
"----------\n" +
"3. WARNING in X.java (at line 14)\n" +
" void foo(List l) {\n" +
" ^^^^\n" +
"List is a raw type. References to generic type List<E> should be parameterized\n" +
"----------\n" +
"4. WARNING in X.java (at line 15)\n" +
" if (l instanceof List<?>) {}\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"The expression of type List is already an instance of type List<?>\n" +
"----------\n" +
"5. ERROR in X.java (at line 16)\n" +
" if (l instanceof List<? extends String>) {}\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"Cannot perform instanceof check against parameterized type List<? extends String>. Use the form List<?> instead since further generic type information will be erased at runtime\n" +
"----------\n" +
"6. WARNING in X.java (at line 18)\n" +
" void foo(List[] ls) {\n" +
" ^^^^\n" +
"List is a raw type. References to generic type List<E> should be parameterized\n" +
"----------\n" +
"7. WARNING in X.java (at line 19)\n" +
" if (ls instanceof List<?>[]) {}\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^\n" +
"The expression of type List[] is already an instance of type List<?>\n" +
"----------\n" +
"8. ERROR in X.java (at line 20)\n" +
" if (ls instanceof List<? extends String>[]) {}\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Cannot perform instanceof check against parameterized type List<? extends String>[]. Use the form List<?>[] instead since further generic type information will be erased at runtime\n" +
"----------\n");
}
public void test0818() {
this.runConformTest(
new String[] {
"X.java",
"public class X<T> {\n" +
" boolean b = this instanceof Y;\n" +
" static class Y extends X<Object> {\n" +
" }\n" +
"}\n",
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=101380
public void test0819() {
this.runConformTest(
new String[] {
"X.java",
"public class X implements MyInterface {\n" +
" public void myMethod(myEnum value) {\n" +
" System.out.println(\"value is \"+value);\n" +
" }\n" +
" public static void main(String[] args){\n" +
" new X().myMethod(myEnum.one); \n" +
" }\n" +
"}\n" +
"\n" +
"interface MyInterface<T> {\n" +
" enum myEnum {one,two};\n" +
" public void myMethod(myEnum value); \n" +
"}\n",
},
"value is one");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=101380 - variation
public void test0820() {
this.runConformTest(
new String[] {
"X.java",
"public class X implements I {\n" +
" public void x(M value) {}\n" +
"}\n" +
"interface I<T> {\n" +
" class M {}\n" +
" void x(M value); \n" +
"}\n",
},
"");
}
public void test0821() throws Exception {
this.runConformTest(
new String[] {
"X.java",
"import java.io.Serializable;\n" +
"\n" +
"public class X<T extends Serializable & Runnable> {\n" +
" T t;\n" +
" X(T t) {\n" +
" this.t = t;\n" +
" }\n" +
" void foo() {\n" +
" t.run();\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" new X<A>(new A()).foo();\n" +
" }\n" +
"}\n" +
"class A implements Serializable, Runnable {\n" +
" public void run() {\n" +
" System.out.println(\"AA\");\n" +
" }\n" +
"}\n",
},
"AA");
// ensure proper declaring class for #run() invocation
String expectedOutput =
" // Method descriptor #15 ()V\n" +
" // Stack: 1, Locals: 1\n" +
" void foo();\n" +
" 0 aload_0 [this]\n" +
" 1 getfield X.t : java.io.Serializable [16]\n" +
" 4 checkcast java.lang.Runnable [25]\n" +
" 7 invokeinterface java.lang.Runnable.run() : void [27] [nargs: 1]\n" +
" 12 return\n" +
" Line numbers:\n" +
" [pc: 0, line: 9]\n" +
" [pc: 12, line: 10]\n" +
" Local variable table:\n" +
" [pc: 0, pc: 13] local: this index: 0 type: X\n" +
" Local variable type table:\n" +
" [pc: 0, pc: 13] local: this index: 0 type: X<T>\n";
File f = new File(OUTPUT_DIR + File.separator + "X.class");
byte[] classFileBytes = org.eclipse.jdt.internal.compiler.util.Util.getFileByteContent(f);
ClassFileBytesDisassembler disassembler = ToolFactory.createDefaultClassFileBytesDisassembler();
String result = disassembler.disassemble(classFileBytes, "\n", ClassFileBytesDisassembler.DETAILED);
int index = result.indexOf(expectedOutput);
if (index == -1 || expectedOutput.length() == 0) {
System.out.println(Util.displayString(result, 3));
}
if (index == -1) {
assertEquals("Wrong contents", expectedOutput, result);
}
}
public void test0822() throws Exception {
this.runConformTest(
new String[] {
"X.java",
"import java.io.Serializable;\n" +
"\n" +
"public class X<T extends Serializable & Runnable> {\n" +
" void foo(T t) {\n" +
" t.run();\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" new X<A>().foo(new A());\n" +
" }\n" +
"}\n" +
"class A implements Serializable, Runnable {\n" +
" public void run() {\n" +
" System.out.println(\"AA\");\n" +
" }\n" +
"}\n",
},
"AA");
// ensure proper declaring class for #run() invocation
String expectedOutput =
" // Method descriptor #17 (Ljava/io/Serializable;)V\n" +
" // Signature: (TT;)V\n" +
" // Stack: 1, Locals: 2\n" +
" void foo(java.io.Serializable t);\n" +
" 0 aload_1 [t]\n" +
" 1 checkcast java.lang.Runnable [20]\n" +
" 4 invokeinterface java.lang.Runnable.run() : void [22] [nargs: 1]\n" +
" 9 return\n" +
" Line numbers:\n" +
" [pc: 0, line: 5]\n" +
" [pc: 9, line: 6]\n" +
" Local variable table:\n" +
" [pc: 0, pc: 10] local: this index: 0 type: X\n" +
" [pc: 0, pc: 10] local: t index: 1 type: java.io.Serializable\n" +
" Local variable type table:\n" +
" [pc: 0, pc: 10] local: this index: 0 type: X<T>\n" +
" [pc: 0, pc: 10] local: t index: 1 type: T\n";
File f = new File(OUTPUT_DIR + File.separator + "X.class");
byte[] classFileBytes = org.eclipse.jdt.internal.compiler.util.Util.getFileByteContent(f);
ClassFileBytesDisassembler disassembler = ToolFactory.createDefaultClassFileBytesDisassembler();
String result = disassembler.disassemble(classFileBytes, "\n", ClassFileBytesDisassembler.DETAILED);
int index = result.indexOf(expectedOutput);
if (index == -1 || expectedOutput.length() == 0) {
System.out.println(Util.displayString(result, 3));
}
if (index == -1) {
assertEquals("Wrong contents", expectedOutput, result);
}
}
public void test0823() throws Exception {
runConformTest(
true,
new String[] {
"X.java",
"import java.io.Serializable;\n" +
"\n" +
"public class X<T extends Serializable & Runnable, V extends T> {\n" +
" T t;\n" +
" X(T t) {\n" +
" this.t = t;\n" +
" }\n" +
" void foo() {\n" +
" (this == null ? t : t).run();\n" +
" ((V) t).run();\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" new X<A, A>(new A()).foo();\n" +
" }\n" +
"}\n" +
"class A implements Serializable, Runnable {\n" +
" public void run() {\n" +
" System.out.print(\"AA\");\n" +
" }\n" +
"}\n",
},
null,
"AAAA",
null,
JavacTestOptions.JavacHasABug.JavacBug6531075);
// ensure proper declaring class for #run() invocation
String expectedOutput =
" // Method descriptor #15 ()V\n" +
" // Stack: 1, Locals: 1\n" +
" void foo();\n" +
" 0 aload_0 [this]\n" +
" 1 ifnonnull 11\n" +
" 4 aload_0 [this]\n" +
" 5 getfield X.t : java.io.Serializable [16]\n" +
" 8 goto 15\n" +
" 11 aload_0 [this]\n" +
" 12 getfield X.t : java.io.Serializable [16]\n" +
" 15 checkcast java.lang.Runnable [25]\n" +
" 18 invokeinterface java.lang.Runnable.run() : void [27] [nargs: 1]\n" +
" 23 aload_0 [this]\n" +
" 24 getfield X.t : java.io.Serializable [16]\n" +
" 27 checkcast java.lang.Runnable [25]\n" +
" 30 invokeinterface java.lang.Runnable.run() : void [27] [nargs: 1]\n" +
" 35 return\n" +
" Line numbers:\n" +
" [pc: 0, line: 9]\n" +
" [pc: 23, line: 10]\n" +
" [pc: 35, line: 11]\n" +
" Local variable table:\n" +
" [pc: 0, pc: 36] local: this index: 0 type: X\n" +
" Local variable type table:\n" +
" [pc: 0, pc: 36] local: this index: 0 type: X<T,V>\n";
File f = new File(OUTPUT_DIR + File.separator + "X.class");
byte[] classFileBytes = org.eclipse.jdt.internal.compiler.util.Util.getFileByteContent(f);
ClassFileBytesDisassembler disassembler = ToolFactory.createDefaultClassFileBytesDisassembler();
String result = disassembler.disassemble(classFileBytes, "\n", ClassFileBytesDisassembler.DETAILED);
int index = result.indexOf(expectedOutput);
if (index == -1 || expectedOutput.length() == 0) {
System.out.println(Util.displayString(result, 3));
}
if (index == -1) {
assertEquals("Wrong contents", expectedOutput, result);
}
}
public void test0824() throws Exception {
runConformTest(
true,
new String[] {
"X.java",
"import java.io.Serializable;\n" +
"\n" +
"public class X<T extends Serializable & Runnable, V extends T> {\n" +
" void foo(T t) {\n" +
" (this == null ? t : t).run();\n" +
" ((V) t).run();\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" new X<A, A>().foo(new A());\n" +
" }\n" +
"}\n" +
"class A implements Serializable, Runnable {\n" +
" public void run() {\n" +
" System.out.print(\"AA\");\n" +
" }\n" +
"}\n",
},
null,
"AAAA",
null,
JavacTestOptions.JavacHasABug.JavacBug6531075);
// ensure proper declaring class for #run() invocation
String expectedOutput =
" // Method descriptor #17 (Ljava/io/Serializable;)V\n" +
" // Signature: (TT;)V\n" +
" // Stack: 1, Locals: 2\n" +
" void foo(java.io.Serializable t);\n" +
" 0 aload_0 [this]\n" +
" 1 ifnonnull 8\n" +
" 4 aload_1 [t]\n" +
" 5 goto 9\n" +
" 8 aload_1 [t]\n" +
" 9 checkcast java.lang.Runnable [20]\n" +
" 12 invokeinterface java.lang.Runnable.run() : void [22] [nargs: 1]\n" +
" 17 aload_1 [t]\n" +
" 18 checkcast java.lang.Runnable [20]\n" +
" 21 invokeinterface java.lang.Runnable.run() : void [22] [nargs: 1]\n" +
" 26 return\n" +
" Line numbers:\n" +
" [pc: 0, line: 5]\n" +
" [pc: 17, line: 6]\n" +
" [pc: 26, line: 7]\n" +
" Local variable table:\n" +
" [pc: 0, pc: 27] local: this index: 0 type: X\n" +
" [pc: 0, pc: 27] local: t index: 1 type: java.io.Serializable\n" +
" Local variable type table:\n" +
" [pc: 0, pc: 27] local: this index: 0 type: X<T,V>\n" +
" [pc: 0, pc: 27] local: t index: 1 type: T\n";
File f = new File(OUTPUT_DIR + File.separator + "X.class");
byte[] classFileBytes = org.eclipse.jdt.internal.compiler.util.Util.getFileByteContent(f);
ClassFileBytesDisassembler disassembler = ToolFactory.createDefaultClassFileBytesDisassembler();
String result = disassembler.disassemble(classFileBytes, "\n", ClassFileBytesDisassembler.DETAILED);
int index = result.indexOf(expectedOutput);
if (index == -1 || expectedOutput.length() == 0) {
System.out.println(Util.displayString(result, 3));
}
if (index == -1) {
assertEquals("Wrong contents", expectedOutput, result);
}
}
public void test0825() throws Exception {
if (this.complianceLevel >= ClassFileConstants.JDK1_8)
return;
this.runConformTest(
new String[] {
"X.java",
"import java.io.Serializable;\n" +
"\n" +
"public class X<T extends Serializable & Runnable, V extends T> {\n" +
" void foo(T t) {\n" +
" Runnable r1 = t;\n" +
" Runnable r2 = (this == null ? t : t);\n" +
" Runnable r3 = ((V) t);\n" +
" \n" +
" bar(t);\n" +
" bar(this == null ? t : t);\n" +
" bar((V)t);\n" +
" }\n" +
" void bar(Runnable r) {} \n" +
" public static void main(String[] args) {\n" +
" new X<A, A>().foo(new A());\n" +
" }\n" +
"}\n" +
"class A implements Serializable, Runnable {\n" +
" public void run() {\n" +
" System.out.println(\"AA\");\n" +
" }\n" +
"}\n",
},
"");
// ensure proper declaring class for #run() invocation
String expectedOutput = this.complianceLevel < ClassFileConstants.JDK1_8 ?
" // Method descriptor #17 (Ljava/io/Serializable;)V\n" +
" // Signature: (TT;)V\n" +
" // Stack: 2, Locals: 5\n" +
" void foo(java.io.Serializable t);\n" +
" 0 aload_1 [t]\n" +
" 1 checkcast java.lang.Runnable [20]\n" +
" 4 astore_2 [r1]\n" +
" 5 aload_0 [this]\n" +
" 6 ifnonnull 13\n" +
" 9 aload_1 [t]\n" +
" 10 goto 14\n" +
" 13 aload_1 [t]\n" +
" 14 astore_3 [r2]\n" +
" 15 aload_1 [t]\n" +
" 16 astore 4 [r3]\n" +
" 18 aload_0 [this]\n" +
" 19 aload_1 [t]\n" +
" 20 checkcast java.lang.Runnable [20]\n" +
" 23 invokevirtual X.bar(java.lang.Runnable) : void [22]\n" +
" 26 aload_0 [this]\n" +
" 27 aload_0 [this]\n" +
" 28 ifnonnull 35\n" +
" 31 aload_1 [t]\n" +
" 32 goto 36\n" +
" 35 aload_1 [t]\n" +
" 36 invokevirtual X.bar(java.lang.Runnable) : void [22]\n" +
" 39 aload_0 [this]\n" +
" 40 aload_1 [t]\n" +
" 41 invokevirtual X.bar(java.lang.Runnable) : void [22]\n" +
" 44 return\n" +
" Line numbers:\n" +
" [pc: 0, line: 5]\n" +
" [pc: 5, line: 6]\n" +
" [pc: 15, line: 7]\n" +
" [pc: 18, line: 9]\n" +
" [pc: 26, line: 10]\n" +
" [pc: 39, line: 11]\n" +
" [pc: 44, line: 12]\n" +
" Local variable table:\n" +
" [pc: 0, pc: 45] local: this index: 0 type: X\n" +
" [pc: 0, pc: 45] local: t index: 1 type: java.io.Serializable\n" +
" [pc: 5, pc: 45] local: r1 index: 2 type: java.lang.Runnable\n" +
" [pc: 15, pc: 45] local: r2 index: 3 type: java.lang.Runnable\n" +
" [pc: 18, pc: 45] local: r3 index: 4 type: java.lang.Runnable\n" +
" Local variable type table:\n" +
" [pc: 0, pc: 45] local: this index: 0 type: X<T,V>\n" +
" [pc: 0, pc: 45] local: t index: 1 type: T\n" :
" // Method descriptor #17 (Ljava/io/Serializable;)V\n" +
" // Signature: (TT;)V\n" +
" // Stack: 2, Locals: 5\n" +
" void foo(java.io.Serializable t);\n" +
" 0 aload_1 [t]\n" +
" 1 checkcast java.lang.Runnable [20]\n" +
" 4 astore_2 [r1]\n" +
" 5 aload_0 [this]\n" +
" 6 ifnonnull 16\n" +
" 9 aload_1 [t]\n" +
" 10 checkcast java.lang.Runnable [20]\n" +
" 13 goto 20\n" +
" 16 aload_1 [t]\n" +
" 17 checkcast java.lang.Runnable [20]\n" +
" 20 astore_3 [r2]\n" +
" 21 aload_1 [t]\n" +
" 22 astore 4 [r3]\n" +
" 24 aload_0 [this]\n" +
" 25 aload_1 [t]\n" +
" 26 checkcast java.lang.Runnable [20]\n" +
" 29 invokevirtual X.bar(java.lang.Runnable) : void [22]\n" +
" 32 aload_0 [this]\n" +
" 33 aload_0 [this]\n" +
" 34 ifnonnull 44\n" +
" 37 aload_1 [t]\n" +
" 38 checkcast java.lang.Runnable [20]\n" +
" 41 goto 48\n" +
" 44 aload_1 [t]\n" +
" 45 checkcast java.lang.Runnable [20]\n" +
" 48 invokevirtual X.bar(java.lang.Runnable) : void [22]\n" +
" 51 aload_0 [this]\n" +
" 52 aload_1 [t]\n" +
" 53 invokevirtual X.bar(java.lang.Runnable) : void [22]\n" +
" 56 return\n" +
" Line numbers:\n" +
" [pc: 0, line: 5]\n" +
" [pc: 5, line: 6]\n" +
" [pc: 21, line: 7]\n" +
" [pc: 24, line: 9]\n" +
" [pc: 32, line: 10]\n" +
" [pc: 51, line: 11]\n" +
" [pc: 56, line: 12]\n" +
" Local variable table:\n" +
" [pc: 0, pc: 57] local: this index: 0 type: X\n" +
" [pc: 0, pc: 57] local: t index: 1 type: java.io.Serializable\n" +
" [pc: 5, pc: 57] local: r1 index: 2 type: java.lang.Runnable\n" +
" [pc: 21, pc: 57] local: r2 index: 3 type: java.lang.Runnable\n" +
" [pc: 24, pc: 57] local: r3 index: 4 type: java.lang.Runnable\n" +
" Local variable type table:\n" +
" [pc: 0, pc: 57] local: this index: 0 type: X<T,V>\n" +
" [pc: 0, pc: 57] local: t index: 1 type: T\n";
File f = new File(OUTPUT_DIR + File.separator + "X.class");
byte[] classFileBytes = org.eclipse.jdt.internal.compiler.util.Util.getFileByteContent(f);
ClassFileBytesDisassembler disassembler = ToolFactory.createDefaultClassFileBytesDisassembler();
String result = disassembler.disassemble(classFileBytes, "\n", ClassFileBytesDisassembler.DETAILED);
int index = result.indexOf(expectedOutput);
if (index == -1 || expectedOutput.length() == 0) {
System.out.println(Util.displayString(result, 3));
}
if (index == -1) {
assertEquals("Wrong contents", expectedOutput, result);
}
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=110570
public void test0826() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T> {\n" +
"\n" +
" public <V1, V2 extends V1> void test(V1 p1, V2 p2) {}\n" +
" \n" +
" public static void main(String[] args) {\n" +
" XA a = new XA(){};\n" +
" XB b = new XB(){};\n" +
"\n" +
" X t1 = new X();\n" +
" t1.test(a, b); //this gives an error but should be OK\n" +
" \n" +
" X<Object> t2 = new X<Object>();\n" +
" t2.test(a, b); //this compiles OK\n" +
" Zork z;\n" +
" }\n" +
"}\n" +
"\n" +
"interface XA {}\n" +
"interface XB extends XA {}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 9)\n" +
" X t1 = new X();\n" +
" ^\n" +
"X is a raw type. References to generic type X<T> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 9)\n" +
" X t1 = new X();\n" +
" ^\n" +
"X is a raw type. References to generic type X<T> should be parameterized\n" +
"----------\n" +
"3. WARNING in X.java (at line 10)\n" +
" t1.test(a, b); //this gives an error but should be OK\n" +
" ^^^^^^^^^^^^^\n" +
"Type safety: The method test(Object, Object) belongs to the raw type X. References to generic type X<T> should be parameterized\n" +
"----------\n" +
"4. ERROR in X.java (at line 14)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=110570 - variation
// ensure variable V2 is substituted with upper bound erasure (List) and not just upperbound List<String>
// for raw generic method invocation
public void test0827() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.List;\n" +
"public class X<T> {\n" +
" public <V1, V2 extends List<String>> void test(V1 p1, V2 p2) {}\n" +
" public static void main(String[] args) {\n" +
" XA a = new XA(){};\n" +
" List<Object> b = null;\n" +
" X t1 = new X();\n" +
" t1.test(a, b); //this gives an error but should be OK\n" +
" X<Object> t2 = new X<Object>();\n" +
" t2.test(a, b); //this compiles OK\n" +
" }\n" +
"}\n" +
"interface XA {}\n" +
"\n",
},
this.complianceLevel < ClassFileConstants.JDK1_8 ?
"----------\n" +
"1. WARNING in X.java (at line 7)\n" +
" X t1 = new X();\n" +
" ^\n" +
"X is a raw type. References to generic type X<T> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 7)\n" +
" X t1 = new X();\n" +
" ^\n" +
"X is a raw type. References to generic type X<T> should be parameterized\n" +
"----------\n" +
"3. WARNING in X.java (at line 8)\n" +
" t1.test(a, b); //this gives an error but should be OK\n" +
" ^^^^^^^^^^^^^\n" +
"Type safety: The method test(Object, List) belongs to the raw type X. References to generic type X<T> should be parameterized\n" +
"----------\n" +
"4. ERROR in X.java (at line 10)\n" +
" t2.test(a, b); //this compiles OK\n" +
" ^^^^\n" +
"Bound mismatch: The generic method test(V1, V2) of type X<T> is not applicable for the arguments (XA, List<Object>). The inferred type List<Object> is not a valid substitute for the bounded parameter <V2 extends List<String>>\n" +
"----------\n" :
"----------\n" +
"1. WARNING in X.java (at line 7)\n" +
" X t1 = new X();\n" +
" ^\n" +
"X is a raw type. References to generic type X<T> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 7)\n" +
" X t1 = new X();\n" +
" ^\n" +
"X is a raw type. References to generic type X<T> should be parameterized\n" +
"----------\n" +
"3. WARNING in X.java (at line 8)\n" +
" t1.test(a, b); //this gives an error but should be OK\n" +
" ^^^^^^^^^^^^^\n" +
"Type safety: The method test(Object, List) belongs to the raw type X. References to generic type X<T> should be parameterized\n" +
"----------\n" +
"4. ERROR in X.java (at line 10)\n" +
" t2.test(a, b); //this compiles OK\n" +
" ^^^^\n" +
"The method test(V1, V2) in the type X<Object> is not applicable for the arguments (XA, List<Object>)\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=109249
public void test0828() {
this.runNegativeTest(
new String[] {
"X.java",
"interface Transformable<T extends Transformable>\n" +
"{\n" +
" public T transform();\n" +
"}\n" +
"interface Volume<V extends Volume> extends Transformable<V>\n" +
"{\n" +
"// public V transform();\n" +
"}\n" +
"@SuppressWarnings(\"null\")\n" +
"public class X {\n" +
" void foo(){\n" +
" Volume v1 = null;\n" +
" Volume v2 = v1.transform();\n" +
" }\n" +
" void bar(){\n" +
" Volume<Volume> v1 = null;\n" +
" Volume v2 = v1.transform();\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 1)\n" +
" interface Transformable<T extends Transformable>\n" +
" ^^^^^^^^^^^^^\n" +
"Transformable is a raw type. References to generic type Transformable<T> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 5)\n" +
" interface Volume<V extends Volume> extends Transformable<V>\n" +
" ^^^^^^\n" +
"Volume is a raw type. References to generic type Volume<V> should be parameterized\n" +
"----------\n" +
"3. WARNING in X.java (at line 12)\n" +
" Volume v1 = null;\n" +
" ^^^^^^\n" +
"Volume is a raw type. References to generic type Volume<V> should be parameterized\n" +
"----------\n" +
"4. WARNING in X.java (at line 13)\n" +
" Volume v2 = v1.transform();\n" +
" ^^^^^^\n" +
"Volume is a raw type. References to generic type Volume<V> should be parameterized\n" +
"----------\n" +
"5. ERROR in X.java (at line 13)\n" +
" Volume v2 = v1.transform();\n" +
" ^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Transformable to Volume\n" +
"----------\n" +
"6. WARNING in X.java (at line 16)\n" +
" Volume<Volume> v1 = null;\n" +
" ^^^^^^\n" +
"Volume is a raw type. References to generic type Volume<V> should be parameterized\n" +
"----------\n" +
"7. WARNING in X.java (at line 17)\n" +
" Volume v2 = v1.transform();\n" +
" ^^^^^^\n" +
"Volume is a raw type. References to generic type Volume<V> should be parameterized\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=109249 - variation
public void test0829() {
this.runConformTest(
new String[] {
"X.java",
"interface Transformable<T extends Transformable>\n" +
"{\n" +
" public T transform();\n" +
"}\n" +
"interface Volume<V extends Volume> extends Transformable<V>\n" +
"{\n" +
" public V transform();\n" +
"}\n" +
"public class X {\n" +
" void foo(){\n" +
" Volume v1 = null;\n" +
" Volume v2 = v1.transform();\n" +
" }\n" +
" void bar(){\n" +
" Volume<Volume> v1 = null;\n" +
" Volume v2 = v1.transform();\n" +
" }\n" +
"}\n",
},
"");
}
public void test0830() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"public class X<T> {\n" +
" void foo(Object o) {\n" +
" boolean b = o instanceof X;\n" +
" X x = (X) o;\n" +
" X<String> xs = (X<String>)o;\n" +
" Zork z;\n" +
" }\n" +
" void bar(ArrayList<String> al) {\n" +
" List l = (List) al;\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 5)\n" +
" X x = (X) o;\n" +
" ^\n" +
"X is a raw type. References to generic type X<T> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 5)\n" +
" X x = (X) o;\n" +
" ^\n" +
"X is a raw type. References to generic type X<T> should be parameterized\n" +
"----------\n" +
"3. WARNING in X.java (at line 6)\n" +
" X<String> xs = (X<String>)o;\n" +
" ^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from Object to X<String>\n" +
"----------\n" +
"4. ERROR in X.java (at line 7)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n" +
"5. WARNING in X.java (at line 10)\n" +
" List l = (List) al;\n" +
" ^^^^\n" +
"List is a raw type. References to generic type List<E> should be parameterized\n" +
"----------\n" +
"6. WARNING in X.java (at line 10)\n" +
" List l = (List) al;\n" +
" ^^^^^^^^^\n" +
"Unnecessary cast from ArrayList<String> to List\n" +
"----------\n" +
"7. WARNING in X.java (at line 10)\n" +
" List l = (List) al;\n" +
" ^^^^\n" +
"List is a raw type. References to generic type List<E> should be parameterized\n" +
"----------\n");
}
//unnecessary cast may be combined with unchecked cast warning
public void test0831() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"public class X {\n" +
" void foo(Object o1) {\n" +
" Object o2 = (List<String>) o1;\n" +
" \n" +
" foo((List<String>)o2);\n" +
" }\n" +
" Zork z;\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 4)\n" +
" Object o2 = (List<String>) o1;\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from Object to List<String>\n" +
"----------\n" +
"2. WARNING in X.java (at line 4)\n" +
" Object o2 = (List<String>) o1;\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"Unnecessary cast from Object to List<String>\n" +
"----------\n" +
"3. WARNING in X.java (at line 6)\n" +
" foo((List<String>)o2);\n" +
" ^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from Object to List<String>\n" +
"----------\n" +
"4. WARNING in X.java (at line 6)\n" +
" foo((List<String>)o2);\n" +
" ^^^^^^^^^^^^^^^^\n" +
"Unnecessary cast from Object to List<String>\n" +
"----------\n" +
"5. ERROR in X.java (at line 8)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=106010
public void test0832() {
this.runNegativeTest(
new String[] {
"X.java",
"class C1<T> {\n" +
" class C11 { }\n" +
" class C12 {\n" +
" T t;\n" +
" C1<T>.C11[] m() {\n" +
" C1<T>.C11[] ts = (C1<T>.C11[]) new C1<?>.C11[5];\n" +
" return ts;\n" +
" }\n" +
" }\n" +
" Zork z;\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 6)\n" +
" C1<T>.C11[] ts = (C1<T>.C11[]) new C1<?>.C11[5];\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from C1<?>.C11[] to C1<T>.C11[]\n" +
"----------\n" +
"2. ERROR in X.java (at line 10)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=111014
public void test0833() {
this.runConformTest(
new String[] {
"A.java",
"class A<T1> {}\n",
"B.java",
"class B<T2> extends A<B<T2>.Inner> { class Inner {} }\n",
"C.java",
"class C { B<Integer> b; }\n",
},
"");
this.runConformTest(
new String[] {
"C.java",
"class C { B<Integer> b; }\n",
},
"",
null,
false,
null);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=100809
public void test0834() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"public class X {\n" +
" public static void main(String[] args) {\n" +
" Set<Integer> set = new HashSet<Integer>();\n" +
" set.add(42);\n" +
" Collection<Number> collection;\n" +
" collection = (Collection) set;\n" +
" System.out.println(collection.iterator().next());\n" +
" Zork z;\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 7)\n" +
" collection = (Collection) set;\n" +
" ^^^^^^^^^^^^^^^^\n" +
"Type safety: The expression of type Collection needs unchecked conversion to conform to Collection<Number>\n" +
"----------\n" +
"2. WARNING in X.java (at line 7)\n" +
" collection = (Collection) set;\n" +
" ^^^^^^^^^^\n" +
"Collection is a raw type. References to generic type Collection<E> should be parameterized\n" +
"----------\n" +
"3. ERROR in X.java (at line 9)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=100809 - variation
public void test0835() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"public class X {\n" +
" void foo(List<String> ls) {\n" +
" ArrayList<?> als = (ArrayList) ls;\n" +
" }\n" +
" Zork z;\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 4)\n" +
" ArrayList<?> als = (ArrayList) ls;\n" +
" ^^^^^^^^^\n" +
"ArrayList is a raw type. References to generic type ArrayList<E> should be parameterized\n" +
"----------\n" +
"2. ERROR in X.java (at line 6)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=111208
public void test0836() {
this.runConformTest(
new String[] {
"X.java",
" import java.util.Iterator;\n" +
" import java.util.List;\n" +
"\n" +
" public class X<A> {\n" +
"\n" +
" interface Factory<T> {\n" +
" T invoke();\n" +
" }\n" +
"\n" +
" public static <E> Iterator<E> iterate(Iterable<E> iterable) {\n" +
" return iterable.iterator();\n" +
" }\n" +
"\n" +
" public Factory<Iterator<? extends A>> factory(final Factory<? extends List<? extends A>> factory) {\n" +
" return new Factory<Iterator<? extends A>>() {\n" +
" public Iterator<? extends A> invoke() {\n" +
" //String s = iterate(factory.invoke());\n" +
" return iterate(factory.invoke());\n" +
" }\n" +
" };\n" +
" }\n" +
"}\n",
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=111208 - variation
public void test0837() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"\n" +
"public class X {\n" +
" public void foo(List<? extends List<? extends Number>> l) {\n" +
" bar(l.get(0));\n" +
" swap(l.get(0));\n" +
" }\n" +
" void bar(String s) {}\n" +
" private static <T> void swap(List<T> l) {\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 5)\n" +
" bar(l.get(0));\n" +
" ^^^\n" +
"The method bar(String) in the type X is not applicable for the arguments (capture#1-of ? extends List<? extends Number>)\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=111689
public void test0838() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" public class CClass<T extends AClass.BClass<T>> {\n" +
" }\n" +
"}\n",
"AClass.java",
"public interface AClass<X extends AClass> {\n" +
" public interface BClass<T extends BClass> extends AClass<T> {\n" +
" }\n" +
"}\n",
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=109118
public void test0839() {
this.runConformTest(
new String[] {
"com/test/Tester.java",
"package com.test;\n" +
"\n" +
"import com.test.TestClass.MyException;\n" +
"\n" +
"public class Tester {\n" +
"\n" +
" public static void main(String[] args) {\n" +
" try {\n" +
" TestClass<String> test = new TestClass<String>();\n" +
" } catch (MyException e) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
" }\n" +
"}",
"com/test/TestClass.java",
"package com.test;\n" +
"\n" +
"public class TestClass<T> {\n" +
" \n" +
" public TestClass() throws MyException {\n" +
" throw new MyException();\n" +
" }\n" +
"\n" +
" public static class MyException extends Exception {\n" +
" \n" +
" public MyException() {\n" +
" super();\n" +
" }\n" +
" }\n" +
"}"
},
"SUCCESS");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=109118
public void test0840() {
this.runNegativeTest(
new String[] {
"generics/NodeList.java",
"package generics;\n" +
"public class NodeList<E> {\n" +
" public class Cursor { }\n" +
"}",
"generics/user/User.java",
"package generics.user;\n" +
"import generics.NodeList;\n" +
"import generics.NodeList.Cursor;\n" +
"public class User {\n" +
" Cursor raw;\n" +
" NodeList.Cursor rawQualified;\n" +
" NodeList<String>.Cursor parameterized;\n" +
"\n" +
" void foo() {\n" +
" parameterized= rawQualified; //unchecked warning (OK)\n" +
" rawQualified= parameterized;\n" +
"\n" +
" parameterized= raw; //should just give unchecked warning, but errors\n" +
" raw= parameterized; //should not error\n" +
"\n" +
" raw= rawQualified; //should not error\n" +
" rawQualified= raw;\n" +
" }\n" +
" Zork z;\n" +
"}",
},
"----------\n" +
"1. WARNING in generics\\user\\User.java (at line 5)\n" +
" Cursor raw;\n" +
" ^^^^^^\n" +
"NodeList.Cursor is a raw type. References to generic type NodeList<E>.Cursor should be parameterized\n" +
"----------\n" +
"2. WARNING in generics\\user\\User.java (at line 6)\n" +
" NodeList.Cursor rawQualified;\n" +
" ^^^^^^^^^^^^^^^\n" +
"NodeList.Cursor is a raw type. References to generic type NodeList<E>.Cursor should be parameterized\n" +
"----------\n" +
"3. WARNING in generics\\user\\User.java (at line 10)\n" +
" parameterized= rawQualified; //unchecked warning (OK)\n" +
" ^^^^^^^^^^^^\n" +
"Type safety: The expression of type NodeList.Cursor needs unchecked conversion to conform to NodeList<String>.Cursor\n" +
"----------\n" +
"4. WARNING in generics\\user\\User.java (at line 13)\n" +
" parameterized= raw; //should just give unchecked warning, but errors\n" +
" ^^^\n" +
"Type safety: The expression of type NodeList.Cursor needs unchecked conversion to conform to NodeList<String>.Cursor\n" +
"----------\n" +
"5. ERROR in generics\\user\\User.java (at line 19)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=112268
public void test0841() {
this.runConformTest(
new String[] {
"X.java", // =================
"import java.util.*;\n" +
"\n" +
"public class X {\n" +
" List<? extends Comparator> bar() {\n" +
" List<? extends Comparator> l = foo();\n" +
" return foo();\n" +
" }\n" +
" <T> List<T> foo() {\n" +
" return null;\n" +
" }\n" +
"}\n",
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=112500
public void test0842() {
this.runNegativeTest(
new String[] {
"X.java", // =================
"import java.util.List;\n" +
"\n" +
"public class X {\n" +
" static <T> List<T> merge(List<? extends T> a, List<? extends T> b) {\n" +
" return null;\n" +
" }\n" +
"\n" +
" public static void main(String[] args) {\n" +
" List<String> list1 = null;\n" +
" List<StringBuilder> list2 = null;\n" +
" List<? extends CharSequence> result = merge(list1, list2);\n" +
" List<? extends String> result2 = merge(list1, list2);\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 12)\n" +
" List<? extends String> result2 = merge(list1, list2);\n" +
" ^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from List<Object&Serializable&CharSequence> to List<? extends String>\n" +
"----------\n");
}
public void test0843() {
this.runNegativeTest(
new String[] {
"X.java", // =================
"import java.util.List;\n" +
"\n" +
"public class X {\n" +
" static <T> List<T> merge(List<? extends T> a, List<? extends T> b) {\n" +
" return null;\n" +
" }\n" +
"\n" +
" public static void main(String[] args) {\n" +
" List<String> list1 = null;\n" +
" List<StringBuilder> list2 = null;\n" +
" Object result3 = (List<? extends CharSequence>)merge(list1, list2);\n" +
" Object result4 = (List<? extends String>)merge(list1, list2);\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 11)\n" +
" Object result3 = (List<? extends CharSequence>)merge(list1, list2);\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Unnecessary cast from List<Object&Serializable&CharSequence> to List<? extends CharSequence>\n" +
"----------\n" +
"2. ERROR in X.java (at line 12)\n" +
" Object result4 = (List<? extends String>)merge(list1, list2);\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Cannot cast from List<Object&Serializable&CharSequence> to List<? extends String>\n" +
"----------\n" +
"3. WARNING in X.java (at line 12)\n" +
" Object result4 = (List<? extends String>)merge(list1, list2);\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Unnecessary cast from List<Object&Serializable&CharSequence> to List<? extends String>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=112595
public void test0844() {
this.runConformTest(
new String[] {
"X.java", // =================
"import java.util.*;\n" +
"public class X {\n" +
" public Set< ? extends X> getModifiers()\n" +
" {\n" +
" return Collections.emptySet();\n" +
" }\n" +
"}\n",
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=112595
public void test0845() {
this.runConformTest(
new String[] {
"Generic.java", // =================
"public class Generic<T> {\n" +
" public int size() {\n" +
" return 0;\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
"}", // =================
},
"SUCCESS");
this.runNegativeTest(
new String[] {
"X.java", // =================
"import java.util.ArrayList;\n" +
"\n" +
"public class X {\n" +
" public void testList(ArrayList aList) {\n" +
" aList.size();\n" +
" }\n" +
" public void testGeneric(Generic aGeneric) {\n" +
" aGeneric.size();\n" +
" }\n" +
" Zork z;\n" +
"}\n", // =================
},
"----------\n" +
"1. WARNING in X.java (at line 4)\n" +
" public void testList(ArrayList aList) {\n" +
" ^^^^^^^^^\n" +
"ArrayList is a raw type. References to generic type ArrayList<E> should be parameterized\n" +
"----------\n" +
"2. ERROR in X.java (at line 7)\n" +
" public void testGeneric(Generic aGeneric) {\n" +
" ^^^^^^^\n" +
"Generic cannot be resolved to a type\n" +
"----------\n" +
"3. ERROR in X.java (at line 10)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=112666
public void test0846() {
this.runConformTest(
new String[] {
"X.java", // =================
"import java.util.Collection;\n" +
"public class X {\n" +
" void m() {\n" +
" Collection<? super Collection<? super Number>> col = null;\n" +
" java.util.List<java.lang.Number> n = null;\n" +
" col.add(n);\n" +
" }\n" +
"}\n", // =================
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=112666
public void test0847() {
this.runNegativeTest(
new String[] {
"X.java", // =================
"import java.util.Collection;\n" +
"\n" +
"public class X {\n" +
" void m() {\n" +
" Collection<? extends Collection<? super Number>> col = null;\n" +
" java.util.List<java.lang.Number> n = null;\n" +
" col.add(n);\n" +
" }\n" +
"}\n", // =================
},
"----------\n" +
"1. ERROR in X.java (at line 7)\n" +
" col.add(n);\n" +
" ^^^\n" +
"The method add(capture#1-of ? extends Collection<? super Number>) in the type Collection<capture#1-of ? extends Collection<? super Number>> is not applicable for the arguments (List<Number>)\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=106451
public void test0848() throws Exception {
this.runNegativeTest(
new String[] {
"X.java", // =================
"import java.util.*;\n" +
"\n" +
"public class X<E> {\n" +
" public static <T> List<T> asList(T a) { return null; }\n" +
" Collection<? extends Number> asList= asList(1);\n" +
" List<Number> nums= (List<Number>) asList; // correct warning\n" +
" List<Number> numz= (LinkedList<Number>) asList; // type safety warning missing\n" +
" Zork z;\n" +
"}\n", // =================
},
"----------\n" +
"1. WARNING in X.java (at line 6)\n" +
" List<Number> nums= (List<Number>) asList; // correct warning\n" +
" ^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from Collection<capture#1-of ? extends Number> to List<Number>\n" +
"----------\n" +
"2. WARNING in X.java (at line 7)\n" +
" List<Number> numz= (LinkedList<Number>) asList; // type safety warning missing\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from Collection<capture#2-of ? extends Number> to LinkedList<Number>\n" +
"----------\n" +
"3. ERROR in X.java (at line 8)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
this.runConformTest(
new String[] {
"X.java", // =================
"import java.util.*;\n" +
"\n" +
"public class X<E> {\n" +
" Collection<? extends Number> asList= Arrays.asList(1, 2.2);\n" +
" List<Number> nums= (List<Number>) asList; // correct warning\n" +
" List<Number> numz= (LinkedList<Number>) asList; // type safety warning missing\n" +
"}\n", // =================
},
"");
// ensure presence of: "checkcast java.util.LinkedList" before putfield X.numz
String expectedOutput =
" // Method descriptor #14 ()V\n" +
" // Stack: 6, Locals: 1\n" +
" public X();\n" +
" 0 aload_0 [this]\n" +
" 1 invokespecial java.lang.Object() [16]\n" +
" 4 aload_0 [this]\n" +
" 5 iconst_2\n" +
" 6 anewarray java.lang.Number [18]\n" +
" 9 dup\n" +
" 10 iconst_0\n" +
" 11 iconst_1\n" +
" 12 invokestatic java.lang.Integer.valueOf(int) : java.lang.Integer [20]\n" +
" 15 aastore\n" +
" 16 dup\n" +
" 17 iconst_1\n" +
" 18 ldc2_w <Double 2.2> [26]\n" +
" 21 invokestatic java.lang.Double.valueOf(double) : java.lang.Double [28]\n" +
" 24 aastore\n" +
" 25 invokestatic java.util.Arrays.asList(java.lang.Object[]) : java.util.List [33]\n" +
" 28 putfield X.asList : java.util.Collection [38]\n" +
" 31 aload_0 [this]\n" +
" 32 aload_0 [this]\n" +
" 33 getfield X.asList : java.util.Collection [38]\n" +
" 36 checkcast java.util.List [40]\n" +
" 39 putfield X.nums : java.util.List [42]\n" +
" 42 aload_0 [this]\n" +
" 43 aload_0 [this]\n" +
" 44 getfield X.asList : java.util.Collection [38]\n" +
" 47 checkcast java.util.LinkedList [44]\n" +
" 50 putfield X.numz : java.util.List [46]\n" +
" 53 return\n";
File f = new File(OUTPUT_DIR + File.separator + "X.class");
byte[] classFileBytes = org.eclipse.jdt.internal.compiler.util.Util.getFileByteContent(f);
ClassFileBytesDisassembler disassembler = ToolFactory.createDefaultClassFileBytesDisassembler();
String result = disassembler.disassemble(classFileBytes, "\n", ClassFileBytesDisassembler.DETAILED);
int index = result.indexOf(expectedOutput);
if (index == -1 || expectedOutput.length() == 0) {
System.out.println(Util.displayString(result, 3));
}
if (index == -1) {
assertEquals("Wrong contents", expectedOutput, result);
}
}
//ensure no unsafe cast is diagnosed
public void test0849() {
this.runNegativeTest(
new String[] {
"X.java", // =================
"public class X {\n" +
" static <T, U extends T> T[] cast(U[] a) { return (T[]) a; }\n" +
" Zork z;\n" +
"}\n", // =================
},
"----------\n" +
"1. WARNING in X.java (at line 2)\n" +
" static <T, U extends T> T[] cast(U[] a) { return (T[]) a; }\n" +
" ^^^^^^^\n" +
"Unnecessary cast from U[] to T[]\n" +
"----------\n" +
"2. ERROR in X.java (at line 3)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
public void test0850() {
this.runNegativeTest(
new String[] {
"X.java", // =================
"public class X {\n" +
" <T> T f(Object o) {\n" +
" return (T) o; // OK\n" +
" }\n" +
"\n" +
" <U, T extends U> T g(Object o) {\n" +
" return (T) o; // bug???\n" +
" }\n" +
"\n" +
" <U, T extends U> T h(Object o) {\n" +
" return X.<T>castTo(o); // workaround\n" +
" }\n" +
"\n" +
" private static <T> T castTo(Object o) {\n" +
" return (T) o;\n" +
" }\n" +
" Zork z;\n" +
"}\n", // =================
},
"----------\n" +
"1. WARNING in X.java (at line 3)\n" +
" return (T) o; // OK\n" +
" ^^^^^\n" +
"Type safety: Unchecked cast from Object to T\n" +
"----------\n" +
"2. WARNING in X.java (at line 7)\n" +
" return (T) o; // bug???\n" +
" ^^^^^\n" +
"Type safety: Unchecked cast from Object to T\n" +
"----------\n" +
"3. WARNING in X.java (at line 15)\n" +
" return (T) o;\n" +
" ^^^^^\n" +
"Type safety: Unchecked cast from Object to T\n" +
"----------\n" +
"4. ERROR in X.java (at line 17)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
public void test0851() {
this.runNegativeTest(
new String[] {
"X.java", // =================
"interface Foo {}\n" +
"interface Bar<T> {}\n" +
"public class X {\n" +
" Object m(Foo f) {\n" +
" return (Bar<Object>)f;\n" +
" }\n" +
" Zork z;\n" +
"}\n", // =================
},
"----------\n" +
"1. WARNING in X.java (at line 5)\n" +
" return (Bar<Object>)f;\n" +
" ^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from Foo to Bar<Object>\n" +
"----------\n" +
"2. WARNING in X.java (at line 5)\n" +
" return (Bar<Object>)f;\n" +
" ^^^^^^^^^^^^^^\n" +
"Unnecessary cast from Foo to Bar<Object>\n" +
"----------\n" +
"3. ERROR in X.java (at line 7)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=106466
public void test0852() {
this.runNegativeTest(
new String[] {
"X.java", // =================
"public class X {\n" +
" <T extends Runnable, U extends T & Runnable> T foo() { return null; }\n" +
"}\n", // =================
},
"----------\n" +
"1. ERROR in X.java (at line 2)\n" +
" <T extends Runnable, U extends T & Runnable> T foo() { return null; }\n" +
" ^^^^^^^^\n" +
"Cannot specify any additional bound Runnable when first bound is a type parameter\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=112109
public void test0853() {
this.runConformTest(
new String[] {
"X.java",
"public class X<C extends I> {\n" +
" void test(java.util.List<C> list) { list.get(0).notify(null); }\n" +
"}\n" +
"interface I { Object notify(Object o); }",
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=113236
public void test0854() {
runConformTest(
// test directory preparation
true /* flush output directory */,
new String[] { /* test files */
"X.java",
"public class X {\n" +
" public static void main(String[] args) {\n" +
" Field field = new Field();\n" +
" Form form = new Form(field);\n" +
" String result = form.getField().toString();\n" +
" System.out.print(result);\n" +
" }\n" +
"}",
"Form.java",
"public class Form {\n" +
" private final Field field;\n" +
" public Form(Field field) {\n" +
" this.field = field;\n" +
" }\n" +
" public <T extends Field> T getField() {\n" +
" return (T) field;\n" +
" }\n" +
"}",
"Field.java",
"public class Field {\n" +
" @Override\n" +
" public String toString() {\n" +
" return \"SUCCESS\";\n" +
" }\n" +
"}",
},
// compiler results
null /* do not check compiler log */,
// runtime results
"SUCCESS" /* expected output string */,
"" /* expected error string */,
// javac options
JavacTestOptions.JavacHasABug.JavacBugFixed_6_10 /* javac test options */);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=113218
public void test0855() {
runConformTest(
// test directory preparation
true /* flush output directory */,
new String[] { /* test files */
"X.java",
"public class X {\n" +
" public static void main(String[] args) {\n" +
" FieldManager manager = new FieldManagerImpl();\n" +
" FieldMeta<FieldImpl> meta = new FieldMeta<FieldImpl>(manager);\n" +
" Field<? extends Field> field = new FieldImpl(meta);\n" +
" FieldMeta<? extends Field> meta2 = field.getFieldMeta();\n" +
" System.out.print(meta2.getFieldManager() instanceof ExtFieldManager);\n" +
" }\n" +
"}",
"FieldMeta.java",
"public class FieldMeta<F extends Field> {\n" +
" private final FieldManager<F> fieldManager;\n" +
" public FieldMeta(FieldManager<F> fieldManager) {\n" +
" this.fieldManager = fieldManager;\n" +
" }\n" +
" public <FB extends FieldManager<F>> FB getFieldManager() {\n" +
" return (FB) fieldManager;\n" +
" }\n" +
"}",
"FieldManagerImpl.java",
"public class FieldManagerImpl extends FieldManager<FieldImpl> implements\n" +
" ExtFieldManager<FieldImpl> {\n" +
"}",
"FieldManager.java",
"public abstract class FieldManager<F extends Field> {}",
"FieldImpl.java",
"public class FieldImpl extends Field<FieldImpl> {\n" +
" public FieldImpl(FieldMeta<FieldImpl> fieldMeta) {\n" +
" super(fieldMeta);\n" +
" }\n" +
"}",
"Field.java",
"public class Field<F extends Field> {\n" +
" private final FieldManager<F> fieldManager;\n" +
" private final FieldMeta<F> fieldMeta;\n" +
" public FieldMeta<F> getFieldMeta() {\n" +
" return fieldMeta;\n" +
" }\n" +
" public Field(FieldMeta<F> fieldMeta) {\n" +
" this.fieldMeta = fieldMeta;\n" +
" this.fieldManager = fieldMeta.getFieldManager();\n" +
" }\n" +
" public FieldManager<F> getFieldManager() {\n" +
" return fieldManager;\n" +
" }\n" +
"}",
"ExtFieldManager.java",
"public interface ExtFieldManager<F extends Field> {}"
},
// compiler results
null /* do not check compiler log */,
// runtime results
"true" /* expected output string */,
"" /* expected error string */,
// javac options
JavacTestOptions.JavacHasABug.JavacBugFixed_6_10 /* javac test options */);
}
public void test0856() {
runConformTest(
// test directory preparation
true /* flush output directory */,
new String[] { /* test files */
"X.java",
"public class X {\n" +
" static class MX<T> {\n" +
" T t = null;\n" +
" }\n" +
" static <T> T getT() {\n" +
" return (new MX<T>()).t;\n" +
" }\n" +
" public static void test() {\n" +
" getT().getClass(); // error: java.lang.Object cannot be dereferenced\n" +
" }\n" +
"\n" +
" public static void main(String[] args) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
"}\n",
},
// compiler results
"" /* expected compiler log */,
// runtime results
"SUCCESS" /* expected output string */,
"" /* expected error string */,
// javac options
JavacTestOptions.JavacHasABug.JavacBugFixed_6_10 /* javac test options */);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=113070
public void test0857() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" public <U, T extends U & Cloneable & Runnable> void m(T t) {\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 2)\n" +
" public <U, T extends U & Cloneable & Runnable> void m(T t) {\n" +
" ^^^^^^^^^\n" +
"Cannot specify any additional bound Cloneable when first bound is a type parameter\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=113560
public void test0858() {
this.runConformTest(
new String[] {
"X.java",
"interface ExtCloneable extends Cloneable {\n" +
" public ExtCloneable clone( String arg) throws CloneNotSupportedException;\n" +
"}\n" +
"public class X {\n" +
" public static <V extends ExtCloneable> ExtCloneable cloneItem1( V value) throws CloneNotSupportedException {\n" +
" return value.clone( \"\");\n" +
" }\n" +
" public static <V extends ExtCloneable> ExtCloneable cloneItem2( ExtCloneable value) throws CloneNotSupportedException {\n" +
" return value.clone( \"\");\n" +
" }\n" +
" public static <V extends ExtCloneable> ExtCloneable cloneItem3( V value) throws CloneNotSupportedException {\n" +
" return ((ExtCloneable)value).clone( \"\");\n" +
" }\n" +
"}",
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=113710
public void test0859() {
this.runConformTest(
new String[] {
"X.java",
"import java.awt.Graphics2D;\n" +
"import java.awt.Shape;\n" +
"public class X<V extends DrawObject> {\n" +
" /** Base object for wrapping */\n" +
" protected V draw;\n" +
" /**\n" +
" * Draw the object with its attached text\n" +
" * \n" +
" * @param graphics the graphics object to draw into\n" +
" */\n" +
" public void draw( Graphics2D graphics ) {\n" +
" draw.draw(graphics);\n" +
" }\n" +
"}\n" +
"abstract class DrawObject implements Drawable {\n" +
" protected void draw( Graphics2D graphics, Shape shape ) {\n" +
" }\n" +
"}\n" +
"interface Drawable {\n" +
" void draw( Graphics2D graphics );\n" +
"}",
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=114304
public void test0860() {
this.runConformTest(
new String[] {
"A.java",
"interface A {\n" +
" A.I foo();\n" +
" interface I { }\n" +
"}\n" +
"\n" +
"interface B<T> extends A { }\n" +
"\n" +
"interface C extends B<Object> {\n" +
" C.J foo();\n" +
" interface J extends B.I { }\n" +
"}\n",
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=114304 - variation
public void test0861() {
this.runConformTest(
new String[] {
"A.java",
"interface A {\n" +
" A.I foo();\n" +
" interface I { }\n" +
"}\n" +
"\n" +
"interface B<T> extends A { }\n" +
"\n" +
"interface C extends B<Object> {\n" +
" C.J foo();\n" +
" interface J extends A.I { }\n" +
"}\n",
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=114304 - variation
public void test0862() {
this.runConformTest(
new String[] {
"A.java",
"interface A {\n" +
" interface I { }\n" +
"\n" +
" A.I foo();\n" +
"}\n" +
"\n" +
"interface B<T> extends A { \n" +
" interface J extends B.I { }\n" +
"}\n" +
"\n" +
"interface C extends B<Object> {\n" +
" C.J foo();\n" +
"}\n",
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=114304 - variation
public void test0863() {
this.runConformTest(
new String[] {
"A.java",
"interface A {\n" +
" interface I { }\n" +
"\n" +
" A.I foo();\n" +
"}\n" +
"\n" +
"interface B<T> extends A { \n" +
" interface J extends B.I { }\n" +
"}\n" +
"\n" +
"interface C extends B<Object> {\n" +
" B.J foo();\n" +
"}\n",
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=114304 - variation
public void test0864() {
this.runNegativeTest(
new String[] {
"A.java",
"interface A {\n" +
" interface I<T> { }\n" +
"\n" +
" A.I<Object> foo();\n" +
"}\n" +
"\n" +
"interface B<T> extends A { \n" +
" interface J<E> extends B.I<E> { }\n" +
"}\n" +
"\n" +
"interface C extends B<Object> {\n" +
" C.J<Object> foo();\n" +
" B<Object>.J<Object> bar();\n" +
"}\n",
},
"----------\n" +
"1. ERROR in A.java (at line 13)\n" +
" B<Object>.J<Object> bar();\n" +
" ^^^^^^^^^^^\n" +
"The member type B.J<E> cannot be qualified with a parameterized type, since it is static. Remove arguments from qualifying type B<Object>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=114304 - variation
public void test0865() {
this.runConformTest(
new String[] {
"A.java",
"class A {\n" +
" interface I { }\n" +
"\n" +
" A.I foo() { return null; }\n" +
"}\n" +
"\n" +
"class B<T> extends A { \n" +
" interface J extends B.I { }\n" +
"}\n" +
"\n" +
"class C extends B<Object> {\n" +
" @Override\n" +
" C.J foo() { return (B.J)super.foo(); }\n" +
"}\n",
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=114997
public void test0866() {
this.runConformTest(
new String[] {
"X.java",
"import java.util.Collections;\n" +
"import java.util.List;\n" +
"\n" +
"public class X {\n" +
" public interface Interface {\n" +
" // nothing\n" +
" }\n" +
" public List<? extends Interface> field = Collections.emptyList();\n" +
"}\n",
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=114087
// SHOULD FAIL AT 1.8 (RET): Type mismatch: cannot convert from List<Runnable> to List
public void test0867() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.List;\n" +
"\n" +
"class Foo {\n" +
"\n" +
" static <T extends Runnable> List<List<T>> foo1() {\n" +
" return null;\n" +
" }\n" +
" static <T extends Runnable> void bar1(List<List<T>> l) {\n" +
" }\n" +
" static <T extends Runnable> List<T> foo2() {\n" +
" return null;\n" +
" }\n" +
" static <T extends Runnable> void bar2(List<T> l) {\n" +
" }\n" +
"}\n" +
"\n" +
"public class X {\n" +
"\n" +
" {\n" +
" List<List> o = Foo.foo1();\n" +
" Foo.bar1(o);\n" +
" }\n" +
" {\n" +
" List o = Foo.foo2();\n" +
" Foo.bar2(o);\n" +
" }\n" +
"\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 20)\n" +
" List<List> o = Foo.foo1();\n" +
" ^^^^\n" +
"List is a raw type. References to generic type List<E> should be parameterized\n" +
"----------\n" +
"2. ERROR in X.java (at line 20)\n" +
(this.complianceLevel < ClassFileConstants.JDK1_8 ?
" List<List> o = Foo.foo1();\n" +
" ^^^^\n" +
"The method foo1() in the type Foo is not applicable for the arguments ()\n"
:
" List<List> o = Foo.foo1();\n" +
" ^^^^^^^^^^\n" +
"Type mismatch: cannot convert from List<List<Runnable>> to List<List>\n" // TODO(stephan) more specific error message
)+
"----------\n" +
"3. ERROR in X.java (at line 21)\n" +
" Foo.bar1(o);\n" +
" ^^^^\n" +
"The method bar1(List<List<T>>) in the type Foo is not applicable for the arguments (List<List>)\n" +
"----------\n" +
"4. WARNING in X.java (at line 24)\n" +
" List o = Foo.foo2();\n" +
" ^^^^\n" +
"List is a raw type. References to generic type List<E> should be parameterized\n" +
"----------\n" +
"5. WARNING in X.java (at line 25)\n" +
" Foo.bar2(o);\n" +
" ^^^^^^^^^^^\n" +
"Type safety: Unchecked invocation bar2(List) of the generic method bar2(List<T>) of type Foo\n" +
"----------\n" +
"6. WARNING in X.java (at line 25)\n" +
" Foo.bar2(o);\n" +
" ^\n" +
"Type safety: The expression of type List needs unchecked conversion to conform to List<Runnable>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=114365
public void test0868() {
Map options = getCompilerOptions();
options.put(CompilerOptions.OPTION_ReportRawTypeReference, CompilerOptions.IGNORE);
this.runConformTest(
new String[] {
"X.java",
"import java.util.Collection;\n" +
"import java.util.Iterator;\n" +
"import java.io.Serializable;\n" +
"import java.lang.Cloneable;\n" +
"public class X<A extends Collection & Serializable > implements Collection {\n" +
" public int size() {\n" +
" // TODO Auto-generated method stub\n" +
" return 0;\n" +
" }\n" +
" public boolean isEmpty() {\n" +
" // TODO Auto-generated method stub\n" +
" return false;\n" +
" }\n" +
" public boolean contains(Object arg0) {\n" +
" // TODO Auto-generated method stub\n" +
" return false;\n" +
" }\n" +
" public Iterator iterator() {\n" +
" // TODO Auto-generated method stub\n" +
" return null;\n" +
" }\n" +
" public Object[] toArray() {\n" +
" // TODO Auto-generated method stub\n" +
" return null;\n" +
" }\n" +
" public Object[] toArray(Object[] arg0) {\n" +
" // TODO Auto-generated method stub\n" +
" return null;\n" +
" }\n" +
" public boolean add(Object arg0) {\n" +
" // TODO Auto-generated method stub\n" +
" return false;\n" +
" }\n" +
" public boolean remove(Object arg0) {\n" +
" // TODO Auto-generated method stub\n" +
" return false;\n" +
" }\n" +
" public boolean containsAll(Collection arg0) {\n" +
" // TODO Auto-generated method stub\n" +
" return false;\n" +
" }\n" +
" public boolean addAll(Collection arg0) {\n" +
" // TODO Auto-generated method stub\n" +
" return false;\n" +
" }\n" +
" public boolean removeAll(Collection arg0) {\n" +
" // TODO Auto-generated method stub\n" +
" return false;\n" +
" }\n" +
" public boolean retainAll(Collection arg0) {\n" +
" // TODO Auto-generated method stub\n" +
" return false;\n" +
" }\n" +
" public void clear() {\n" +
" // TODO Auto-generated method stub\n" +
" \n" +
" }" +
"}",
},
"",
null,
true,
null,
options,
null);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=115181
public void test0869() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.Comparator;\n" +
"\n" +
"public class X {\n" +
" public static void main(String[] args) {\n" +
" Class<?> c = Comparator.class;\n" +
" Zork z;\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 6)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=113950
public void test0870() {
this.runConformTest(
new String[] {
"X.java",
"import java.util.List;\n" +
"\n" +
"public class X {\n" +
" public interface I<T> {\n" +
" public <S extends T> void foo(List<S> ls);\n" +
" }\n" +
"\n" +
" public abstract class A<T> implements I<T> {\n" +
" public <S extends T> void foo(List<S> ls) { }\n" +
" }\n" +
"\n" +
" public class C<T> extends A<List<T>> { }\n" +
"}\n",
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=107788
public void test0871() {
this.runConformTest(
new String[] {
"Lister.java",
"interface Lister<BeanT, PropT, PackT> {\n" +
" void endPacking(PackT p, BeanT b, Accessor<BeanT, PropT> acc);\n" +
"\n" +
" static class IDRefs<BeanT, PropT> implements\n" +
" Lister<BeanT, PropT, IDRefs<BeanT, PropT>.Pack> {\n" +
" public void endPacking(Pack p, BeanT b, Accessor<BeanT, PropT> acc) {\n" +
" }\n" +
"\n" +
" private class Pack {\n" +
" }\n" +
" }\n" +
"}\n" +
"\n" +
"class Accessor<BeanT, PropT> {\n" +
"}\n",
},
"");
}
public void test0872() {
this.runNegativeTest(
new String[] {
"X.java", // =================
"import java.io.PrintStream;\n" +
"\n" +
"public class X {\n" +
" public void foo1(){\n" +
" M1<X> m = new M1<X>();\n" +
" M1<X>.N1<X> n = m.new N1<X>();\n" +
" }\n" +
" static class M1<T> {\n" +
" class N1<U> {\n" +
" }\n" +
" }\n" +
" public void foo2(){\n" +
" M2<X> m = new M2<X>();\n" +
" M2<X>.N2<X> n = m.new N2<X>();\n" +
" }\n" +
" class M2<T> {\n" +
" class N2<U> {\n" +
" }\n" +
" }\n" +
" public void foo3(){\n" +
" M3<X> m = new M3<X>();\n" +
" M3<X>.N3<X> n = m.new N3<X>();\n" +
" }\n" +
" class M3<T> {\n" +
" static class N3<U> {\n" +
" }\n" +
" }\n" +
" public void foo4(){\n" +
" M4<X> m = new M4<X>();\n" +
" M4<X>.N4<X> n = m.new N4<X>();\n" +
" }\n" +
" static class M4<T> {\n" +
" static class N4<U> {\n" +
" }\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 22)\n" +
" M3<X>.N3<X> n = m.new N3<X>();\n" +
" ^^^^^^^^\n" +
"The member type X.M3.N3<U> cannot be qualified with a parameterized type, since it is static. Remove arguments from qualifying type X.M3<X>\n" +
"----------\n" +
"2. ERROR in X.java (at line 25)\n" +
" static class N3<U> {\n" +
" ^^\n" +
"The member type N3 cannot be declared static; static types can only be declared in static or top level types\n" +
"----------\n" +
"3. ERROR in X.java (at line 30)\n" +
" M4<X>.N4<X> n = m.new N4<X>();\n" +
" ^^^^^^^^\n" +
"The member type X.M4.N4<U> cannot be qualified with a parameterized type, since it is static. Remove arguments from qualifying type X.M4<X>\n" +
"----------\n");
}
public void test0873() {
this.runConformTest(
new String[] {
"X.java", // =================
"public class X<T> {\n" +
" static class XMap {\n" +
" XEntry[] table;\n" +
" static class XEntry {} \n" +
" void foo() {\n" +
" XEntry e = table[0];\n" +
" } \n" +
" } \n" +
"}\n",
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=115693
public void test0874() throws Exception {
this.runConformTest(
new String[] {
"X.java", // =================
"class A {}\n" +
"abstract class B<T> {\n" +
" public B<T> label(String s) { return this; }\n" +
"}\n" +
"final class C extends B<A> {\n" +
" public static C instance(String s) { return new C(); }\n" +
" @Override public String toString() {\n" +
" return \"SUCCESS\";\n" +
" }\n" +
"}\n" +
"public class X {\n" +
" public static void main(String[] args) {\n" +
" C c = (C)C.instance(\"X\").label(\"Y\");\n" +
" System.out.println(c.toString());\n" +
" }\n" +
"}\n",
},
"SUCCESS");
// ensure only one checkcast C
String expectedOutput =
" // Method descriptor #15 ([Ljava/lang/String;)V\n" +
" // Stack: 2, Locals: 2\n" +
" public static void main(java.lang.String[] args);\n" +
" 0 ldc <String \"X\"> [16]\n" +
" 2 invokestatic C.instance(java.lang.String) : C [17]\n" +
" 5 ldc <String \"Y\"> [23]\n" +
" 7 invokevirtual C.label(java.lang.String) : B [25]\n" +
" 10 checkcast C [18]\n" +
" 13 astore_1 [c]\n" +
" 14 getstatic java.lang.System.out : java.io.PrintStream [29]\n" +
" 17 aload_1 [c]\n" +
" 18 invokevirtual C.toString() : java.lang.String [35]\n" +
" 21 invokevirtual java.io.PrintStream.println(java.lang.String) : void [39]\n" +
" 24 return\n" +
" Line numbers:\n" +
" [pc: 0, line: 13]\n" +
" [pc: 14, line: 14]\n" +
" [pc: 24, line: 15]\n" +
" Local variable table:\n" +
" [pc: 0, pc: 25] local: args index: 0 type: java.lang.String[]\n" +
" [pc: 14, pc: 25] local: c index: 1 type: C\n";
File f = new File(OUTPUT_DIR + File.separator + "X.class");
byte[] classFileBytes = org.eclipse.jdt.internal.compiler.util.Util.getFileByteContent(f);
ClassFileBytesDisassembler disassembler = ToolFactory.createDefaultClassFileBytesDisassembler();
String result = disassembler.disassemble(classFileBytes, "\n", ClassFileBytesDisassembler.DETAILED);
int index = result.indexOf(expectedOutput);
if (index == -1 || expectedOutput.length() == 0) {
System.out.println(Util.displayString(result, 3));
}
if (index == -1) {
assertEquals("Wrong contents", expectedOutput, result);
}
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=119395
public void test0875() {
this.runNegativeTest(
new String[] {
"X.java", // =================
"import java.util.*;\n" +
"public class X {\n" +
"\n" +
" public static class DatabaseObject {}\n" +
" public static class ObjectFormUI<T extends DatabaseObject> {}\n" +
" private static final Map<Class<? extends DatabaseObject>, Class<? extends ObjectFormUI>> uiMap = new HashMap<Class<? extends DatabaseObject>, Class<? extends ObjectFormUI>>();\n" +
"\n" +
" public static <T extends DatabaseObject> Class<? extends ObjectFormUI<T>> getUI(\n" +
" Class<T> persistentClass) {\n" +
" return null != null \n" +
" ? uiMap.get(persistentClass)\n" +
" : (Class<? extends ObjectFormUI<T>>) uiMap.get(persistentClass);\n" +
" }\n" +
"}\n",
},
this.complianceLevel < ClassFileConstants.JDK1_8 ?
"----------\n" +
"1. WARNING in X.java (at line 6)\n" +
" private static final Map<Class<? extends DatabaseObject>, Class<? extends ObjectFormUI>> uiMap = new HashMap<Class<? extends DatabaseObject>, Class<? extends ObjectFormUI>>();\n" +
" ^^^^^^^^^^^^\n" +
"X.ObjectFormUI is a raw type. References to generic type X.ObjectFormUI<T> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 6)\n" +
" private static final Map<Class<? extends DatabaseObject>, Class<? extends ObjectFormUI>> uiMap = new HashMap<Class<? extends DatabaseObject>, Class<? extends ObjectFormUI>>();\n" +
" ^^^^^^^^^^^^\n" +
"X.ObjectFormUI is a raw type. References to generic type X.ObjectFormUI<T> should be parameterized\n" +
"----------\n" +
"3. ERROR in X.java (at line 10)\n" +
" return null != null \n" +
" ? uiMap.get(persistentClass)\n" +
" : (Class<? extends ObjectFormUI<T>>) uiMap.get(persistentClass);\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Class<capture#4-of ? extends X.ObjectFormUI> to Class<? extends X.ObjectFormUI<T>>\n" +
"----------\n" +
"4. WARNING in X.java (at line 12)\n" +
" : (Class<? extends ObjectFormUI<T>>) uiMap.get(persistentClass);\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from Class<capture#2-of ? extends X.ObjectFormUI> to Class<? extends X.ObjectFormUI<T>>\n" +
"----------\n" :
"----------\n" +
"1. WARNING in X.java (at line 6)\n" +
" private static final Map<Class<? extends DatabaseObject>, Class<? extends ObjectFormUI>> uiMap = new HashMap<Class<? extends DatabaseObject>, Class<? extends ObjectFormUI>>();\n" +
" ^^^^^^^^^^^^\n" +
"X.ObjectFormUI is a raw type. References to generic type X.ObjectFormUI<T> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 6)\n" +
" private static final Map<Class<? extends DatabaseObject>, Class<? extends ObjectFormUI>> uiMap = new HashMap<Class<? extends DatabaseObject>, Class<? extends ObjectFormUI>>();\n" +
" ^^^^^^^^^^^^\n" +
"X.ObjectFormUI is a raw type. References to generic type X.ObjectFormUI<T> should be parameterized\n" +
"----------\n" +
"3. ERROR in X.java (at line 11)\n" +
" ? uiMap.get(persistentClass)\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Class<capture#1-of ? extends X.ObjectFormUI> to Class<? extends X.ObjectFormUI<T>>\n" +
"----------\n" +
"4. WARNING in X.java (at line 12)\n" +
" : (Class<? extends ObjectFormUI<T>>) uiMap.get(persistentClass);\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from Class<capture#2-of ? extends X.ObjectFormUI> to Class<? extends X.ObjectFormUI<T>>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=119395 - variation
public void test0876() {
this.runNegativeTest(
new String[] {
"X.java", // =================
"import java.util.*;\n" +
"public class X {\n" +
" void foo(){\n" +
" Class<Class<Object>> cco = null;\n" +
" Class<Class> cc = cco; // ko\n" +
" Class<Class<Object>> cco2 = cc; // ko\n" +
" \n" +
" Class<? extends Class<Object>> ceco = null;\n" +
" Class<? extends Class> cec = ceco; // ok\n" +
" Class<? extends Class<Object>> ceco2 = cec; // ko\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 5)\n" +
" Class<Class> cc = cco; // ko\n" +
" ^^^^^\n" +
"Class is a raw type. References to generic type Class<T> should be parameterized\n" +
"----------\n" +
"2. ERROR in X.java (at line 5)\n" +
" Class<Class> cc = cco; // ko\n" +
" ^^^\n" +
"Type mismatch: cannot convert from Class<Class<Object>> to Class<Class>\n" +
"----------\n" +
"3. ERROR in X.java (at line 6)\n" +
" Class<Class<Object>> cco2 = cc; // ko\n" +
" ^^\n" +
"Type mismatch: cannot convert from Class<Class> to Class<Class<Object>>\n" +
"----------\n" +
"4. WARNING in X.java (at line 9)\n" +
" Class<? extends Class> cec = ceco; // ok\n" +
" ^^^^^\n" +
"Class is a raw type. References to generic type Class<T> should be parameterized\n" +
"----------\n" +
"5. ERROR in X.java (at line 10)\n" +
" Class<? extends Class<Object>> ceco2 = cec; // ko\n" +
" ^^^\n" +
"Type mismatch: cannot convert from Class<capture#2-of ? extends Class> to Class<? extends Class<Object>>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=119395 - variation
public void test0877() {
this.runNegativeTest(
new String[] {
"X.java", // =================
"import java.util.*;\n" +
"public class X {\n" +
" <T extends Class> void bar(T t) {\n" +
" Class<Object> c = t; // ok - unchecked\n" +
" }\n" +
" <T extends Class> void bar2(List<? extends T> let) {\n" +
" Class<Object> c = let.get(0); // ok - unchecked\n" +
" }\n" +
" void bar3(List<? extends Class> lec) {\n" +
" Class<Object> c = lec.get(0); // ok - unchecked\n" +
" }\n" +
" Zork z;\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 3)\n" +
" <T extends Class> void bar(T t) {\n" +
" ^^^^^\n" +
"Class is a raw type. References to generic type Class<T> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 3)\n" +
" <T extends Class> void bar(T t) {\n" +
" ^^^^^\n" +
"The type parameter T should not be bounded by the final type Class. Final types cannot be further extended\n" +
"----------\n" +
"3. WARNING in X.java (at line 4)\n" +
" Class<Object> c = t; // ok - unchecked\n" +
" ^\n" +
"Type safety: The expression of type T needs unchecked conversion to conform to Class<Object>\n" +
"----------\n" +
"4. WARNING in X.java (at line 6)\n" +
" <T extends Class> void bar2(List<? extends T> let) {\n" +
" ^^^^^\n" +
"Class is a raw type. References to generic type Class<T> should be parameterized\n" +
"----------\n" +
"5. WARNING in X.java (at line 6)\n" +
" <T extends Class> void bar2(List<? extends T> let) {\n" +
" ^^^^^\n" +
"The type parameter T should not be bounded by the final type Class. Final types cannot be further extended\n" +
"----------\n" +
"6. WARNING in X.java (at line 7)\n" +
" Class<Object> c = let.get(0); // ok - unchecked\n" +
" ^^^^^^^^^^\n" +
"Type safety: The expression of type capture#1-of ? extends T needs unchecked conversion to conform to Class<Object>\n" +
"----------\n" +
"7. WARNING in X.java (at line 9)\n" +
" void bar3(List<? extends Class> lec) {\n" +
" ^^^^^\n" +
"Class is a raw type. References to generic type Class<T> should be parameterized\n" +
"----------\n" +
"8. WARNING in X.java (at line 10)\n" +
" Class<Object> c = lec.get(0); // ok - unchecked\n" +
" ^^^^^^^^^^\n" +
"Type safety: The expression of type capture#2-of ? extends Class needs unchecked conversion to conform to Class<Object>\n" +
"----------\n" +
"9. ERROR in X.java (at line 12)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=115693 - variation
public void test0878() throws Exception {
this.runConformTest(
new String[] {
"X.java", // =================
"class A {}\n" +
"class D extends A {}\n" +
"abstract class B<T> {\n" +
" public T label(String s) { return null; }\n" +
"}\n" +
"final class C extends B<A> {\n" +
" public static C instance(String s) { return new C(); }\n" +
" @Override public String toString() {\n" +
" return \"SUCCESS\"; \n" +
" }\n" +
"}\n" +
"public class X {\n" +
" public static void main(String[] args) {\n" +
" D d = (D)C.instance(\"X\").label(\"Y\");\n" +
" System.out.println(d);\n" +
" }\n" +
"}\n",
},
"null");
// ensure only one checkcast D
String expectedOutput =
" // Method descriptor #15 ([Ljava/lang/String;)V\n" +
" // Stack: 2, Locals: 2\n" +
" public static void main(java.lang.String[] args);\n" +
" 0 ldc <String \"X\"> [16]\n" +
" 2 invokestatic C.instance(java.lang.String) : C [17]\n" +
" 5 ldc <String \"Y\"> [23]\n" +
" 7 invokevirtual C.label(java.lang.String) : java.lang.Object [25]\n" +
" 10 checkcast D [29]\n" +
" 13 astore_1 [d]\n" +
" 14 getstatic java.lang.System.out : java.io.PrintStream [31]\n" +
" 17 aload_1 [d]\n" +
" 18 invokevirtual java.io.PrintStream.println(java.lang.Object) : void [37]\n" +
" 21 return\n" +
" Line numbers:\n" +
" [pc: 0, line: 14]\n" +
" [pc: 14, line: 15]\n" +
" [pc: 21, line: 16]\n" +
" Local variable table:\n" +
" [pc: 0, pc: 22] local: args index: 0 type: java.lang.String[]\n" +
" [pc: 14, pc: 22] local: d index: 1 type: D\n";
File f = new File(OUTPUT_DIR + File.separator + "X.class");
byte[] classFileBytes = org.eclipse.jdt.internal.compiler.util.Util.getFileByteContent(f);
ClassFileBytesDisassembler disassembler = ToolFactory.createDefaultClassFileBytesDisassembler();
String result = disassembler.disassemble(classFileBytes, "\n", ClassFileBytesDisassembler.DETAILED);
int index = result.indexOf(expectedOutput);
if (index == -1 || expectedOutput.length() == 0) {
System.out.println(Util.displayString(result, 3));
}
if (index == -1) {
assertEquals("Wrong contents", expectedOutput, result);
}
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=122610
public void test0879() {
this.runConformTest(
new String[] {
"X.java", // =================
"public class X<V, R> {\n" +
"\n" +
" private class InnerClass1 {\n" +
" void foo() {\n" +
" X<V, R> c = X.this;\n" +
" }\n" +
" }\n" +
"}\n",
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=121369
public void test0880() {
this.runNegativeTest(
new String[] {
"X.java", // =================
"class Foo {\n" +
" static <T, U extends java.util.List<T>> U foo() {\n" +
" return null;\n" +
" }\n" +
"}\n" +
"\n" +
"public class X {\n" +
" {\n" +
" String s = (String) Foo.foo();\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 9)\n" +
" String s = (String) Foo.foo();\n" +
" ^^^^^^^^^^^^^^^^^^\n" +
"Cannot cast from List<Object> to String\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=121369 - variation
public void test0881() {
this.runNegativeTest(
new String[] {
"X.java", // =================
"class Foo {\n" +
" static <T, U extends java.util.List<U>> U foo() {\n" +
" return null;\n" +
" }\n" +
"}\n" +
"\n" +
"public class X {\n" +
" {\n" +
" String s = (String) Foo.foo();\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 9)\n" +
" String s = (String) Foo.foo();\n" +
" ^^^^^^^^^^^^^^^^^^\n" +
"Cannot cast from List<List<U>> to String\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=121369 - variation
public void test0882() {
this.runNegativeTest(
new String[] {
"X.java", // =================
"import java.util.List;\n" +
"\n" +
"public class X {\n" +
" static <U extends List<U>> U foo(U u) {\n" +
" String s = (String) foo(u);\n" +
" return u;\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 5)\n" +
" String s = (String) foo(u);\n" +
" ^^^^^^^^^^^^^^^\n" +
"Cannot cast from U to String\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=121369 - variation
public void test0883() {
this.runNegativeTest(
new String[] {
"X.java", // =================
"import java.util.List;\n" +
"\n" +
"public class X {\n" +
" static <U extends List<U>> U foo(U u) {\n" +
" List<U> listu = null;\n" +
" String s = (String)foo(listu);\n" +
" return u;\n" +
" }\n" +
" static <V extends List<V>> V bar(V v) {\n" +
" List<V> listv = null;\n" +
" String s = (String)foo(listv);\n" +
" return v;\n" +
" }\n" +
"}\n",
},
(this.complianceLevel < ClassFileConstants.JDK1_8 ?
"----------\n" +
"1. ERROR in X.java (at line 6)\n" +
" String s = (String)foo(listu);\n" +
" ^^^^^^^^^^^^^^^^^^\n" +
"Cannot cast from List<U> to String\n" +
"----------\n" +
"2. ERROR in X.java (at line 6)\n" +
" String s = (String)foo(listu);\n" +
" ^^^\n" +
"Bound mismatch: The generic method foo(U) of type X is not applicable for the arguments (List<U>). The inferred type List<U> is not a valid substitute for the bounded parameter <U extends List<U>>\n" +
"----------\n" +
"3. ERROR in X.java (at line 11)\n" +
" String s = (String)foo(listv);\n" +
" ^^^^^^^^^^^^^^^^^^\n" +
"Cannot cast from List<V> to String\n" +
"----------\n" +
"4. ERROR in X.java (at line 11)\n" +
" String s = (String)foo(listv);\n" +
" ^^^\n" +
"Bound mismatch: The generic method foo(U) of type X is not applicable for the arguments (List<V>). The inferred type List<V> is not a valid substitute for the bounded parameter <U extends List<U>>\n" +
"----------\n"
:
"----------\n" +
"1. ERROR in X.java (at line 6)\n" +
" String s = (String)foo(listu);\n" +
" ^^^\n" +
"The method foo(U) in the type X is not applicable for the arguments (List<U>)\n" +
"----------\n" +
"2. ERROR in X.java (at line 11)\n" +
" String s = (String)foo(listv);\n" +
" ^^^\n" +
"The method foo(U) in the type X is not applicable for the arguments (List<V>)\n" +
"----------\n" ));
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=123078
// SHOULD FAIL AT 1.8 (18.2.3): The method getDefault(Class<T>) in the type X<C> is not applicable for the arguments (Class<capture#2-of ? extends X>)
public void test0884() {
this.runNegativeTest(
new String[] {
"X.java", // =================
"public abstract class X<C extends X<C>> {\n" +
" public static <T extends X<T>> T getDefault(Class<T> clz) {\n" +
" return null;\n" +
" }\n" +
"\n" +
" public Object getDefault() {\n" +
" String s = getClass();\n" +
" return (String) getDefault(getClass());\n" +
" }\n" +
"}\n" ,
},
"----------\n" +
"1. ERROR in X.java (at line 7)\n" +
" String s = getClass();\n" +
" ^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Class<capture#1-of ? extends X> to String\n" +
"----------\n" +
"2. ERROR in X.java (at line 8)\n" +
" return (String) getDefault(getClass());\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Cannot cast from X to String\n" +
"----------\n" +
"3. WARNING in X.java (at line 8)\n" +
" return (String) getDefault(getClass());\n" +
" ^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked invocation getDefault(Class<capture#2-of ? extends X>) of the generic method getDefault(Class<T>) of type X<C>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=125445
public void test0885() {
this.runNegativeTest(
new String[] {
"X.java", // =================
"public class X {\n" +
" public static <C extends Number, A extends C & Comparable<C>> int m(\n" +
" A comparableNumberObj) {\n" +
" return comparableNumberObj.compareTo(comparableNumberObj);\n" +
" }\n" +
"}\n" ,
},
"----------\n" +
"1. ERROR in X.java (at line 2)\n" +
" public static <C extends Number, A extends C & Comparable<C>> int m(\n" +
" ^^^^^^^^^^\n" +
"Cannot specify any additional bound Comparable<C> when first bound is a type parameter\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=124943
public void test0886() {
Map customOptions= getCompilerOptions();
customOptions.put(CompilerOptions.OPTION_Source, CompilerOptions.VERSION_1_4);
runConformTest(
// test directory preparation
true /* flush output directory */,
new String[] { /* test files */
"X.java", // =================
"public class X {\n" +
" void test() {\n" +
" \"Hello\".compareTo((Object) \"Hello\");\n" +
" }\n" +
"}\n" ,
},
// compiler options
null /* no class libraries */,
customOptions /* custom options */,
// compiler results
"" /* expected compiler log */,
// runtime results
"" /* expected output string */,
null /* do not check error string */,
// javac options
new JavacTestOptions("-source 1.4 -Xlint:-options") /* javac test options */);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=122775
public void test0887() {
this.runNegativeTest(
new String[] {
"Bar.java", // =================
"class Foo<T> {}\n" +
"public class Bar<X extends Foo<Foo<? super X>>>{\n" +
" Bar(X x){\n" +
" Foo<? super X> f = x;\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in Bar.java (at line 4)\n" +
" Foo<? super X> f = x;\n" +
" ^\n" +
"Type mismatch: cannot convert from X to Foo<? super X>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=122775 - variation
public void test0888() {
this.runNegativeTest(
new String[] {
"Bar.java", // =================
"class Foo<T> {}\n" +
"public class Bar<X extends Foo<Foo<? super X>>>{\n" +
" Bar(X x){\n" +
" Foo<? extends X> f = x;\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in Bar.java (at line 4)\n" +
" Foo<? extends X> f = x;\n" +
" ^\n" +
"Type mismatch: cannot convert from X to Foo<? extends X>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=122775 - variation
public void test0889() {
this.runConformTest(
// test directory preparation
true /* flush output directory */,
new String[] { /* test files */
"Test.java", // =================
"import java.util.*;\n" +
"\n" +
"class Group<E extends Comparable<? super E>> extends ArrayList<E> implements\n" +
" Comparable<Group<? extends E>> {\n" +
" public int compareTo(Group<? extends E> o) {\n" +
" return 0;\n" +
" }\n" +
"}\n" +
"\n" +
"class Sequence<E extends Comparable<? super E>> extends TreeSet<E> implements\n" +
" Comparable<Sequence<? extends E>> {\n" +
" public int compareTo(Sequence<? extends E> o) {\n" +
" return 0;\n" +
" }\n" +
"}\n" +
"\n" +
"class Test<T extends Comparable<? super T>> {\n" +
" <C extends Collection<T>> void foo(SortedSet<? extends C> setToCheck,\n" +
" SortedSet<? extends C> validSet) {\n" +
" }\n" +
"\n" +
" public void containsCombination(SortedSet<Group<T>> groups,\n" +
" SortedSet<Sequence<T>> sequences) {\n" +
" foo(groups, sequences);\n" +
" }\n" +
"}\n",
},
// compiler results
null /* do not check compiler log */,
// runtime results
"" /* expected output string */,
"" /* expected error string */,
// javac options
JavacTestOptions.JavacHasABug.JavacBugFixed_6_10 /* javac test options */);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=122775 - variation
public void test0890() {
runConformTest(
// test directory preparation
new String[] { /* test files */
"Simple.java", // =================
"class A<T extends A<T>> {}\n" +
"class B extends A<B> {}\n" +
"class C extends B {}\n" +
"class D<T> {}\n" +
"\n" +
"public class Simple {\n" +
" <T extends A<T>, S extends T> D<T> m(S s) {\n" +
" C c = null;\n" +
" D<B> d = m(c);\n" +
" return null;\n" +
" }\n" +
"}\n",
},
// javac options
JavacTestOptions.JavacHasABug.JavacBugFixed_7 /* javac test options */);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=122775 - variation
public void test0891() {
String xSource =
"interface Function<A, B> {\n" +
" B apply(A x);\n" +
"}\n" +
"class Id<A> implements Function<A, A> {\n" +
" public A apply(A x) {\n" +
" return x;\n" +
" }\n" +
"}\n" +
"class Test {\n" +
" <A> Id<A> identity() {\n" +
" return new Id<A>();\n" +
" }\n" +
"\n" +
" <B> B applyToString(Function<String, B> f) {\n" +
" return f.apply(\"abc\");\n" +
" }\n" +
" void test() {\n" +
" String s = applyToString(identity());\n" +
" }\n" +
"}\n";
if (this.complianceLevel < ClassFileConstants.JDK1_8) {
this.runNegativeTest(
new String[] {
"Test.java",
xSource
},
"----------\n" +
"1. ERROR in Test.java (at line 18)\n" +
" String s = applyToString(identity());\n" +
" ^^^^^^^^^^^^^\n" +
"The method applyToString(Function<String,B>) in the type Test is not applicable for the arguments (Id<Object>)\n" +
"----------\n");
} else {
runConformTest(
new String[] {
"Test.java",
xSource
});
}
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=126180
public void test0892() {
this.runNegativeTest(
new String[] {
"X.java", // =================
"public class X {\n" +
" public static void main(String[] args) {\n" +
" C2 c2 = null;\n" +
" C3 c3 = null;\n" +
" Object oc1 = m1(c2, c3).new C1Member();\n" +
" }\n" +
"\n" +
" public static <T> T m1(T t1, T t2) {\n" +
" return null;\n" +
" }\n" +
"\n" +
" class C1 {}\n" +
" interface I1 {}\n" +
" class C2 extends C1 implements I1 {}\n" +
" class C3 extends C1 implements I1 {\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 5)\n" +
" Object oc1 = m1(c2, c3).new C1Member();\n" +
" ^^^^^^^^\n" +
"X.C1&X.I1.C1Member cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=126177
public void test0893() {
this.runNegativeTest(
new String[] {
"X.java", // =================
"public class X {\n" +
" static String foo;\n" +
"\n" +
" public static void main(String[] args) {\n" +
" C2 c2 = null;\n" +
" C3 c3 = null;\n" +
" // method access\n" +
" m1(c2, c3).c1m1();\n" +
" m1(c2, c3).i1m1();\n" +
" m1(c2, c3).i2m1();\n" +
"\n" +
" // field access\n" +
" int ic1 = m1(c2, c3).c1f1;\n" +
" int ii1 = m1(c2, c3).i1f1;\n" +
" int ii2 = m1(c2, c3).i2f1;\n" +
" \n" +
" // member type access\n" +
" Object oc1 = m1(c2, c3).new C1Member();\n" +
" Object oi1 = m1(c2, c3).new I1Member(); \n" +
" Object oi2 = m1(c2, c3).new I2Member();\n" +
" }\n" +
"\n" +
" public static <T> T m1(T t1, T t2) {\n" +
" return null;\n" +
" }\n" +
"\n" +
" class C1 {\n" +
" void c1m1() {}\n" +
" int c1f1 = 0;\n" +
" class C1Member {}\n" +
" }\n" +
"\n" +
" interface I1 {\n" +
" void i1m1();\n" +
" int i1f1 = 1;\n" +
" class I1Member {}\n" +
" }\n" +
"\n" +
" interface I2 {\n" +
" void i2m1();\n" +
" int i2f1 = 2;\n" +
" class I2Member {}\n" +
" }\n" +
"\n" +
" class C2 extends C1 implements I1, I2 {\n" +
" public void i1m1() {\n" +
" }\n" +
" public void i2m1() {\n" +
" }\n" +
" }\n" +
"\n" +
" class C3 extends C1 implements I1, I2 {\n" +
" public void i1m1() {\n" +
" }\n" +
" public void i2m1() {\n" +
" }\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 14)\n" +
" int ii1 = m1(c2, c3).i1f1;\n" +
" ^^^^\n" +
"The static field X.I1.i1f1 should be accessed in a static way\n" +
"----------\n" +
"2. WARNING in X.java (at line 15)\n" +
" int ii2 = m1(c2, c3).i2f1;\n" +
" ^^^^\n" +
"The static field X.I2.i2f1 should be accessed in a static way\n" +
"----------\n" +
"3. ERROR in X.java (at line 19)\n" +
" Object oi1 = m1(c2, c3).new I1Member(); \n" +
" ^^^^^^^^^^\n" +
"Illegal enclosing instance specification for type X.I1.I1Member\n" +
"----------\n" +
"4. ERROR in X.java (at line 20)\n" +
" Object oi2 = m1(c2, c3).new I2Member();\n" +
" ^^^^^^^^^^\n" +
"Illegal enclosing instance specification for type X.I2.I2Member\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=126177 - variation
public void test0894() {
runConformTest(
// test directory preparation
true /* flush output directory */,
new String[] { /* test files */
"X.java", // =================
"public class X {\n" +
" static class C1 {\n" +
" void c1m1() {\n" +
" System.out.print(\"[c1m1]\");\n" +
" }\n" +
" }\n" +
" static interface I {}\n" +
" static class C2 extends C1 implements I {}\n" +
" static class C3 extends C1 implements I {}\n" +
"\n" +
" public <T> T m1(T t1, T t2) {\n" +
" return t1;\n" +
" }\n" +
"\n" +
" public <T extends C1 & I> void test(C2 c2, C3 c3, T t) {\n" +
" m1(c2, c3).c1m1(); // 1\n" +
" t.c1m1(); // 2\n" +
" (t != null ? c2 : c3).c1m1(); // 3\n" +
" }\n" +
"\n" +
" public static void main(String... args) {\n" +
" X x = new X();\n" +
" x.test(new C2(), new C3(), new C2()); // 4\n" +
" System.out.println();\n" +
" }\n" +
"}\n",
},
// compiler results
"" /* expected compiler log */,
// runtime results
"[c1m1][c1m1][c1m1]" /* expected output string */,
"" /* expected error string */,
// javac options
JavacTestOptions.JavacHasABug.JavacBugFixed_6_10 /* javac test options */);
}
public void test0895() {
if (this.complianceLevel < ClassFileConstants.JDK1_7) {
this.runNegativeTest(
new String[] {
"X.java", // =================
"interface I {}\n" +
"public class X {\n" +
" Object o = new <Object> I() {};\n" +
"}\n" ,
},
"----------\n" +
"1. ERROR in X.java (at line 3)\n" +
" Object o = new <Object> I() {};\n" +
" ^^^^^^^^^^^^^^^^^^^\n" +
"The constructor Object() of type Object is not generic; it cannot be parameterized with arguments <Object>\n" +
"----------\n");
return;
}
this.runNegativeTest(
new String[] {
"X.java", // =================
"interface I {}\n" +
"public class X {\n" +
" Object o = new <Object> I() {};\n" +
"}\n" ,
"Y.java",
"class Y extends Zork {}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 3)\n" +
" Object o = new <Object> I() {};\n" +
" ^^^^^^\n" +
"Unused type arguments for the non generic constructor Object() of type Object; it should not be parameterized with arguments <Object>\n" +
"----------\n" +
"----------\n" +
"1. ERROR in Y.java (at line 1)\n" +
" class Y extends Zork {}\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
public void test0896() {
runConformTest(
// test directory preparation
true /* flush output directory */,
new String[] { /* test files */
"X.java", // =================
"public class X {\n" +
" interface I { void f(); }\n" +
" interface J { void g(); }\n" +
"\n" +
" static class A implements I, J {\n" +
" public void f() { System.out.print(\"[A#f()]\");}\n" +
" public void g() { System.out.print(\"[A#g()]\");}\n" +
" }\n" +
"\n" +
" static class B implements J, I {\n" +
" public void f() { System.out.print(\"[B#f()]\");}\n" +
" public void g() { System.out.print(\"[B#g()]\");}\n" +
" }\n" +
"\n" +
" public static void main(String[] args) {\n" +
" f(true, new A(), new B());\n" +
" f(false, new A(), new B());\n" +
" System.out.println();\n" +
" }\n" +
"\n" +
" static void f(boolean cond, A a, B b) {\n" +
" (cond ? a : b).f();\n" +
" (cond ? a : b).g();\n" +
" }\n" +
"}\n",
},
// compiler results
"" /* expected compiler log */,
// runtime results
"[A#f()][A#g()][B#f()][B#g()]" /* expected output string */,
"" /* expected error string */,
// javac options
JavacTestOptions.JavacHasABug.JavacBugFixed_6_10 /* javac test options */);
}
public void test0897() {
runConformTest(
// test directory preparation
new String[] { /* test files */
"Test.java", // =================
"interface I { }\n" +
"class X { }\n" +
"class A extends X implements I { }\n" +
"class B extends X implements I { }\n" +
"public class Test {\n" +
" void test(A a, B b) {\n" +
" X x = (a.hashCode() == b.hashCode()) ? a : b;\n" +
" }\n" +
"}\n" +
"\n",
},
// javac options
JavacTestOptions.JavacHasABug.JavacBugFixed_6_10 /* javac test options */);
}
public void test0898() {
runConformTest(
// test directory preparation
new String[] { /* test files */
"X.java", // =================
"interface I1 {\n" +
" void i1();\n" +
"}\n" +
"class G1<T extends I1> {\n" +
" T get() {\n" +
" return null;\n" +
" }\n" +
"}\n" +
"interface I2 {\n" +
" void i2();\n" +
"}\n" +
"public class X {\n" +
" void f1(G1<?> g1) {\n" +
" g1.get().i1();\n" +
" }\n" +
" void f2(G1<? extends I2> g1) {\n" +
" g1.get().i1();\n" +
" g1.get().i2();\n" +
" }\n" +
"}\n",
},
// javac options
JavacTestOptions.JavacHasABug.JavacBugFixed_6_10 /* javac test options */);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=122331
public void test0899() {
this.runConformTest(
new String[] {
"A.java", // =================
"public class A<T extends A<T>> extends SomeArbitraryClass<T> {\n" +
" public static class B {\n" +
" private C c;\n" +
" protected void set(C val) {\n" +
" c = val;\n" +
" }\n" +
" protected class C {\n" +
" }\n" +
" }\n" +
"}",
"C.java",
"public class C {\n" +
" \n" +
" public C() {\n" +
" //do nothing\n" +
" }\n" +
" \n" +
"}",
"ObjThatExtendsB.java",
"public class ObjThatExtendsB extends A.B {\n" +
" protected void doSomeSetting() {\n" +
" super.set(new ObjThatExtendsC());\n" +
" }\n" +
" protected class ObjThatExtendsC extends C {\n" +
" }\n" +
"}",
"ObjThatExtendsC.java",
"public class ObjThatExtendsC extends C {\n" +
" public ObjThatExtendsC() {\n" +
" //do nothing\n" +
" }\n" +
"}",
"SomeArbitraryClass.java",
"public class SomeArbitraryClass<T extends SomeArbitraryClass<T>> {\n" +
" public SomeArbitraryClass() {\n" +
" //do nothing\n" +
" }\n" +
"}"
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=97693
public void test0900() {
this.runNegativeTest(
new String[] {
"X.java", // =================
"public class X<R> {\n" +
" static interface Interface extends Comparable<String> {}\n" +
"\n" +
" static final class Implements implements Interface {\n" +
" public int compareTo(String o) {\n" +
" return 0;\n" +
" }\n" +
" }\n" +
"\n" +
" void method() {\n" +
" ((Comparable<R>) new Implements()).toString();\n" +
" ((Comparable) new Implements()).toString();\n" +
" ((Comparable<?>) new Implements()).toString();\n" +
" ((Comparable<? extends String>) new Implements()).toString();\n" +
" ((Comparable<? super String>) new Implements()).toString();\n" +
" Zork z;\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 11)\n" +
" ((Comparable<R>) new Implements()).toString();\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from X.Implements to Comparable<R>\n" +
"----------\n" +
"2. WARNING in X.java (at line 12)\n" +
" ((Comparable) new Implements()).toString();\n" +
" ^^^^^^^^^^\n" +
"Comparable is a raw type. References to generic type Comparable<T> should be parameterized\n" +
"----------\n" +
"3. ERROR in X.java (at line 16)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
// Object array vs Object into generic method
public void test0901() {
runNegativeTest(
// test directory preparation
new String[] { /* test files */
"X.java",
"public class X {\n" +
" static <T> T foo(T p1, T p2) {\n" +
" return p1;\n" +
" }\n" +
" static Object[] bar(int[] i, float[] f) {\n" +
" return foo(i, f);\n" +
" }\n" +
"}"},
"----------\n" +
"1. ERROR in X.java (at line 6)\n" +
" return foo(i, f);\n" +
" ^^^^^^^^^\n" +
"Type mismatch: cannot convert from Object&Serializable&Cloneable to Object[]\n" +
"----------\n",
// javac options
JavacTestOptions.JavacHasABug.JavacBugFixed_6_10 /* javac test options */);
}
// circular references amongst generic interfaces with co-implementing classes
public void test0902() {
runConformTest(
// test directory preparation
new String[] { /* test files */
"I.java",
"public interface I<U extends J<? extends I<U>>> {\n" +
"}",
"J.java",
"public interface J<T extends I<? extends J<T>>> {\n" +
"}",
"CI.java",
"class CI<U extends CJ<T, U> & J<T>,\n" +
" T extends CI<U, T> & I<U>>\n" +
" implements I<U> {\n" +
"}",
"CJ.java",
"class CJ<T extends CI<U, T> & I<U>,\n" +
" U extends CJ<T, U> & J<T>>\n" +
" implements J<T> {\n" +
"}"},
// javac options
JavacTestOptions.JavacHasABug.JavacBugFixed_6_10 /* javac test options */);
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=126914
public void test0903() {
this.runConformTest(
new String[] {
"X.java",
"interface I<T extends J<T,U>, U extends I<T,U>> {\n" +
" // empty\n" +
"}\n" +
"interface J<T extends J<T,U>, U extends I<T,U>> {\n" +
" // empty\n" +
"}\n" +
"final class Y<T, U> extends X<T, U> implements I<X<T, U>, Y<T, U>> {\n" +
" // empty\n" +
"}\n" +
"abstract class X<T, U> implements J<X<T, U>, Y<T, U>> {\n" +
" // empty\n" +
"}\n"
},
"");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=126914
public void test0904() {
runConformTest(
// test directory preparation
new String[] { /* test files */
"X.java",
"interface I<T extends J<T,U>, U extends I<T,U>> {\n" +
" // empty\n" +
"}\n" +
"interface J<T extends J<T,U>, U extends I<T,U>> {\n" +
" // empty\n" +
"}\n" +
"abstract class X<T, U> implements J<X<T, U>, Y<T, U>> {\n" +
" // empty\n" +
"}\n" +
"final class Y<T, U> extends X<T, U> implements I<X<T, U>, Y<T, U>> {\n" +
" // empty\n" +
"}\n"
},
// javac options
JavacTestOptions.JavacHasABug.JavacBugFixed_6_10 /* javac test options */);
}
// array in super bound
public void test0905() {
runConformTest(
// test directory preparation
new String[] { /* test files */
"X.java",
"import java.util.List;\n" +
" \n" +
"class X {\n" +
" void foo(List<? super Object[]> p) {\n" +
" p.add(new Object[0]);\n" +
" }\n" +
"}"},
// javac options
JavacTestOptions.JavacHasABug.JavacBugFixed_6_10 /* javac test options */);
}
// raw types in casts
public void test0906() {
this.runNegativeTest(
new String[] {
"X.java",
"interface I<V> {\n" +
" // empty\n" +
"} \n" +
"public class X implements I {\n" +
" I<Integer> x1 = (I<Integer>) (X) null;\n" +
" I<Integer> x2 = (I<Integer>) new X();\n" +
" I<Integer> x3 = (I<Integer>) null;\n" +
" X x4 = (X) (I<Integer>) null;\n" +
"}"},
"----------\n" +
"1. WARNING in X.java (at line 4)\n" +
" public class X implements I {\n" +
" ^\n" +
"I is a raw type. References to generic type I<V> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 5)\n" +
" I<Integer> x1 = (I<Integer>) (X) null;\n" +
" ^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from X to I<Integer>\n" +
"----------\n" +
"3. WARNING in X.java (at line 5)\n" +
" I<Integer> x1 = (I<Integer>) (X) null;\n" +
" ^^^^^^^^^^^^^^^^^^^^^\n" +
"Unnecessary cast from X to I<Integer>\n" +
"----------\n" +
"4. WARNING in X.java (at line 5)\n" +
" I<Integer> x1 = (I<Integer>) (X) null;\n" +
" ^^^^^^^^\n" +
"Unnecessary cast from null to X\n" +
"----------\n" +
"5. WARNING in X.java (at line 6)\n" +
" I<Integer> x2 = (I<Integer>) new X();\n" +
" ^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from X to I<Integer>\n" +
"----------\n" +
"6. WARNING in X.java (at line 6)\n" +
" I<Integer> x2 = (I<Integer>) new X();\n" +
" ^^^^^^^^^^^^^^^^^^^^\n" +
"Unnecessary cast from X to I<Integer>\n" +
"----------\n" +
"7. WARNING in X.java (at line 7)\n" +
" I<Integer> x3 = (I<Integer>) null;\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"Unnecessary cast from null to I<Integer>\n" +
"----------\n" +
"8. WARNING in X.java (at line 8)\n" +
" X x4 = (X) (I<Integer>) null;\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"Unnecessary cast from null to I<Integer>\n" +
"----------\n");
}
// parametrized method with array extends Object upper bound verification
public void test0907() {
this.runConformTest(
new String[] {
"X.java",
"import java.util.Collection;\n" +
"import java.util.Collections;\n" +
"public class X<T extends X<T, V>, V> {\n" +
" public void foo() {\n" +
" Y o = (new Z<Object>()).<Y, double[]> bar(Collections\n" +
" .singleton(new Y()));\n" +
" o.toString();\n" +
" }\n" +
"}\n" +
"class Y extends X<Y, double[]> {\n" +
" // empty\n" +
"}\n" +
"class Z<V> {\n" +
" public <U extends X<U, W>, W extends V> U bar(Collection<U> c) {\n" +
" return null;\n" +
" }\n" +
"}\n"},
"");
}
// check capture for conditional operator - variant
public void test0908() {
runConformTest(
// test directory preparation
new String[] { /* test files */
"X.java",
"public abstract class X {\n" +
" protected <T> void foo(Class<? extends T> clazz) {\n" +
" Class<? extends T> l = clazz.isInterface() ? bar(clazz) : clazz;\n" +
" }\n" +
" abstract public <T> Class<? extends T> bar(Class<T> p);\n" +
"}"},
// javac options
JavacTestOptions.JavacHasABug.JavacBugFixed_6_10 /* javac test options */);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=126105
public void test0909() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" private static class B<T> {\n" +
" private Object x;\n" +
"\n" +
" public B(T x) {\n" +
" this.x = x;\n" +
" }\n" +
" }\n" +
"\n" +
" private static class C {\n" +
" private Object x;\n" +
"\n" +
" public C(Object x) {\n" +
" this.x = x;\n" +
" }\n" +
" }\n" +
"\n" +
" public static void main(String[] args) throws Throwable {\n" +
" B<String> b = new B<String>(\"foo\");\n" +
" System.out.println(b.x);\n" +
"\n" +
" C c = new C(\"foo\");\n" +
" System.out.println(c.x);\n" +
" Zork z;\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 24)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=127583
public void test0910() {
int[] capIds = this.complianceLevel < ClassFileConstants.JDK1_8
? new int[]{ 1, 3, 4, 6, 13}
: new int[]{ 1, 2, 3, 4, 8};
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.ArrayList;\n" +
"import java.util.Collection;\n" +
"import java.util.List;\n" +
"\n" +
"public class X {\n" +
"\n" +
" void bar() {\n" +
" List<Collection> lc1 = null;\n" +
" List<Collection<?>> lc2 = null;\n" +
" List<? extends Collection<?>> lc3 = null;\n" +
" List<? extends Collection> lc4 = null;\n" +
" lc1 = lc2; //1 ko\n" +
" lc1 = lc3; //2 ko\n" +
" lc1 = lc4; //3 ko\n" +
" lc2 = lc1; //4 ko\n" +
" lc2 = lc3; //5 ko\n" +
" lc2 = lc4; //6 ko\n" +
" lc3 = lc1; //7 ko\n" +
" lc3 = lc2; //8 ok\n" +
" lc3 = lc4; //9 ko\n" +
" lc4 = lc1; //10 ok\n" +
" lc4 = lc2; //11 ok\n" +
" lc4 = lc3; //12 ok\n" +
" }\n" +
" private final List<Collection> aList = new ArrayList<Collection>();\n" +
" public void foo() {\n" +
" final List<Collection<?>> listCopy = new ArrayList<Collection<?>>(this.aList); // ko\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 8)\n" +
" List<Collection> lc1 = null;\n" +
" ^^^^^^^^^^\n" +
"Collection is a raw type. References to generic type Collection<E> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 11)\n" +
" List<? extends Collection> lc4 = null;\n" +
" ^^^^^^^^^^\n" +
"Collection is a raw type. References to generic type Collection<E> should be parameterized\n" +
"----------\n" +
"3. ERROR in X.java (at line 12)\n" +
" lc1 = lc2; //1 ko\n" +
" ^^^\n" +
"Type mismatch: cannot convert from List<Collection<?>> to List<Collection>\n" +
"----------\n" +
"4. ERROR in X.java (at line 13)\n" +
" lc1 = lc3; //2 ko\n" +
" ^^^\n" +
"Type mismatch: cannot convert from List<capture#"+capIds[0]+"-of ? extends Collection<?>> to List<Collection>\n" +
"----------\n" +
"5. ERROR in X.java (at line 14)\n" +
" lc1 = lc4; //3 ko\n" +
" ^^^\n" +
"Type mismatch: cannot convert from List<capture#"+capIds[1]+"-of ? extends Collection> to List<Collection>\n" +
"----------\n" +
"6. ERROR in X.java (at line 15)\n" +
" lc2 = lc1; //4 ko\n" +
" ^^^\n" +
"Type mismatch: cannot convert from List<Collection> to List<Collection<?>>\n" +
"----------\n" +
"7. ERROR in X.java (at line 16)\n" +
" lc2 = lc3; //5 ko\n" +
" ^^^\n" +
"Type mismatch: cannot convert from List<capture#"+capIds[2]+"-of ? extends Collection<?>> to List<Collection<?>>\n" +
"----------\n" +
"8. ERROR in X.java (at line 17)\n" +
" lc2 = lc4; //6 ko\n" +
" ^^^\n" +
"Type mismatch: cannot convert from List<capture#"+capIds[3]+"-of ? extends Collection> to List<Collection<?>>\n" +
"----------\n" +
"9. ERROR in X.java (at line 18)\n" +
" lc3 = lc1; //7 ko\n" +
" ^^^\n" +
"Type mismatch: cannot convert from List<Collection> to List<? extends Collection<?>>\n" +
"----------\n" +
"10. ERROR in X.java (at line 20)\n" +
" lc3 = lc4; //9 ko\n" +
" ^^^\n" +
"Type mismatch: cannot convert from List<capture#"+capIds[4]+"-of ? extends Collection> to List<? extends Collection<?>>\n" +
"----------\n" +
"11. WARNING in X.java (at line 25)\n" +
" private final List<Collection> aList = new ArrayList<Collection>();\n" +
" ^^^^^^^^^^\n" +
"Collection is a raw type. References to generic type Collection<E> should be parameterized\n" +
"----------\n" +
"12. WARNING in X.java (at line 25)\n" +
" private final List<Collection> aList = new ArrayList<Collection>();\n" +
" ^^^^^^^^^^\n" +
"Collection is a raw type. References to generic type Collection<E> should be parameterized\n" +
"----------\n" +
"13. ERROR in X.java (at line 27)\n" +
" final List<Collection<?>> listCopy = new ArrayList<Collection<?>>(this.aList); // ko\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"The constructor ArrayList<Collection<?>>(List<Collection>) is undefined\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=127583 - variation
public void test0911() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.ArrayList;\n" +
"import java.util.Collection;\n" +
"import java.util.List;\n" +
"\n" +
"public class X {\n" +
" void bar() {\n" +
" List<Collection> lc1 = null;\n" +
" List<Collection<?>> lc2 = null;\n" +
" List<? super Collection<?>> lc3 = null;\n" +
" List<? super Collection> lc4 = null;\n" +
" lc1 = lc2; //1 ko\n" +
" lc1 = lc3; //2 ko\n" +
" lc1 = lc4; //3 ko\n" +
" lc2 = lc1; //4 ko\n" +
" lc2 = lc3; //5 ko\n" +
" lc2 = lc4; //6 ko\n" +
" lc3 = lc1; //7 ok\n" +
" lc3 = lc2; //8 ok\n" +
" lc3 = lc4; //9 ok\n" +
" lc4 = lc1; //10 ok\n" +
" lc4 = lc2; //11 ko\n" +
" lc4 = lc3; //12 ko\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 7)\n" +
" List<Collection> lc1 = null;\n" +
" ^^^^^^^^^^\n" +
"Collection is a raw type. References to generic type Collection<E> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 10)\n" +
" List<? super Collection> lc4 = null;\n" +
" ^^^^^^^^^^\n" +
"Collection is a raw type. References to generic type Collection<E> should be parameterized\n" +
"----------\n" +
"3. ERROR in X.java (at line 11)\n" +
" lc1 = lc2; //1 ko\n" +
" ^^^\n" +
"Type mismatch: cannot convert from List<Collection<?>> to List<Collection>\n" +
"----------\n" +
"4. ERROR in X.java (at line 12)\n" +
" lc1 = lc3; //2 ko\n" +
" ^^^\n" +
"Type mismatch: cannot convert from List<capture#1-of ? super Collection<?>> to List<Collection>\n" +
"----------\n" +
"5. ERROR in X.java (at line 13)\n" +
" lc1 = lc4; //3 ko\n" +
" ^^^\n" +
"Type mismatch: cannot convert from List<capture#2-of ? super Collection> to List<Collection>\n" +
"----------\n" +
"6. ERROR in X.java (at line 14)\n" +
" lc2 = lc1; //4 ko\n" +
" ^^^\n" +
"Type mismatch: cannot convert from List<Collection> to List<Collection<?>>\n" +
"----------\n" +
"7. ERROR in X.java (at line 15)\n" +
" lc2 = lc3; //5 ko\n" +
" ^^^\n" +
"Type mismatch: cannot convert from List<capture#3-of ? super Collection<?>> to List<Collection<?>>\n" +
"----------\n" +
"8. ERROR in X.java (at line 16)\n" +
" lc2 = lc4; //6 ko\n" +
" ^^^\n" +
"Type mismatch: cannot convert from List<capture#4-of ? super Collection> to List<Collection<?>>\n" +
"----------\n" +
"9. ERROR in X.java (at line 21)\n" +
" lc4 = lc2; //11 ko\n" +
" ^^^\n" +
"Type mismatch: cannot convert from List<Collection<?>> to List<? super Collection>\n" +
"----------\n" +
"10. ERROR in X.java (at line 22)\n" +
" lc4 = lc3; //12 ko\n" +
" ^^^\n" +
"Type mismatch: cannot convert from List<capture#12-of ? super Collection<?>> to List<? super Collection>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=127583 - variation
public void test0912() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"\n" +
"public class X {\n" +
" void foo(List<? extends Collection<String>[]> l1, List<Collection[]> l2) {\n" +
" l1 = l2;\n" +
" l2 = l1;\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 4)\n" +
" void foo(List<? extends Collection<String>[]> l1, List<Collection[]> l2) {\n" +
" ^^^^^^^^^^\n" +
"Collection is a raw type. References to generic type Collection<E> should be parameterized\n" +
"----------\n" +
"2. ERROR in X.java (at line 5)\n" +
" l1 = l2;\n" +
" ^^\n" +
"Type mismatch: cannot convert from List<Collection[]> to List<? extends Collection<String>[]>\n" +
"----------\n" +
"3. ERROR in X.java (at line 6)\n" +
" l2 = l1;\n" +
" ^^\n" +
"Type mismatch: cannot convert from List<capture#2-of ? extends Collection<String>[]> to List<Collection[]>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=127583 - variation
public void test0913() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"public class X {\n" +
" void bar() {\n" +
" List<Collection[]> lc1 = null;\n" +
" List<Collection<?>[]> lc2 = null;\n" +
" List<? extends Collection<?>[]> lc3 = null;\n" +
" List<? extends Collection[]> lc4 = null;\n" +
" lc1 = lc2; //1 ko\n" +
" lc1 = lc3; //2 ko\n" +
" lc1 = lc4; //3 ko\n" +
" lc2 = lc1; //4 ko\n" +
" lc2 = lc3; //5 ko\n" +
" lc2 = lc4; //6 ko\n" +
" lc3 = lc1; //7 ko\n" +
" lc3 = lc2; //8 ok\n" +
" lc3 = lc4; //9 ko\n" +
" lc4 = lc1; //10 ok\n" +
" lc4 = lc2; //11 ok\n" +
" lc4 = lc3; //12 ok \n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 4)\n" +
" List<Collection[]> lc1 = null;\n" +
" ^^^^^^^^^^\n" +
"Collection is a raw type. References to generic type Collection<E> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 7)\n" +
" List<? extends Collection[]> lc4 = null;\n" +
" ^^^^^^^^^^\n" +
"Collection is a raw type. References to generic type Collection<E> should be parameterized\n" +
"----------\n" +
"3. ERROR in X.java (at line 8)\n" +
" lc1 = lc2; //1 ko\n" +
" ^^^\n" +
"Type mismatch: cannot convert from List<Collection<?>[]> to List<Collection[]>\n" +
"----------\n" +
"4. ERROR in X.java (at line 9)\n" +
" lc1 = lc3; //2 ko\n" +
" ^^^\n" +
"Type mismatch: cannot convert from List<capture#1-of ? extends Collection<?>[]> to List<Collection[]>\n" +
"----------\n" +
"5. ERROR in X.java (at line 10)\n" +
" lc1 = lc4; //3 ko\n" +
" ^^^\n" +
"Type mismatch: cannot convert from List<capture#2-of ? extends Collection[]> to List<Collection[]>\n" +
"----------\n" +
"6. ERROR in X.java (at line 11)\n" +
" lc2 = lc1; //4 ko\n" +
" ^^^\n" +
"Type mismatch: cannot convert from List<Collection[]> to List<Collection<?>[]>\n" +
"----------\n" +
"7. ERROR in X.java (at line 12)\n" +
" lc2 = lc3; //5 ko\n" +
" ^^^\n" +
"Type mismatch: cannot convert from List<capture#3-of ? extends Collection<?>[]> to List<Collection<?>[]>\n" +
"----------\n" +
"8. ERROR in X.java (at line 13)\n" +
" lc2 = lc4; //6 ko\n" +
" ^^^\n" +
"Type mismatch: cannot convert from List<capture#4-of ? extends Collection[]> to List<Collection<?>[]>\n" +
"----------\n" +
"9. ERROR in X.java (at line 14)\n" +
" lc3 = lc1; //7 ko\n" +
" ^^^\n" +
"Type mismatch: cannot convert from List<Collection[]> to List<? extends Collection<?>[]>\n" +
"----------\n" +
"10. ERROR in X.java (at line 16)\n" +
" lc3 = lc4; //9 ko\n" +
" ^^^\n" +
"Type mismatch: cannot convert from List<capture#8-of ? extends Collection[]> to List<? extends Collection<?>[]>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=127583 - variation
public void test0914() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"public class X {\n" +
" void bar() {\n" +
" List<Collection[]> lc1 = null;\n" +
" List<Collection<?>[]> lc2 = null;\n" +
" List<? super Collection<?>[]> lc3 = null;\n" +
" List<? super Collection[]> lc4 = null;\n" +
" lc1 = lc2; //1 ko\n" +
" lc1 = lc3; //2 ko\n" +
" lc1 = lc4; //3 ko\n" +
" lc2 = lc1; //4 ko\n" +
" lc2 = lc3; //5 ko\n" +
" lc2 = lc4; //6 ko\n" +
" lc3 = lc1; //7 ok\n" +
" lc3 = lc2; //8 ok\n" +
" lc3 = lc4; //9 ok\n" +
" lc4 = lc1; //10 ok\n" +
" lc4 = lc2; //11 ko\n" +
" lc4 = lc3; //12 ko \n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 4)\n" +
" List<Collection[]> lc1 = null;\n" +
" ^^^^^^^^^^\n" +
"Collection is a raw type. References to generic type Collection<E> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 7)\n" +
" List<? super Collection[]> lc4 = null;\n" +
" ^^^^^^^^^^\n" +
"Collection is a raw type. References to generic type Collection<E> should be parameterized\n" +
"----------\n" +
"3. ERROR in X.java (at line 8)\n" +
" lc1 = lc2; //1 ko\n" +
" ^^^\n" +
"Type mismatch: cannot convert from List<Collection<?>[]> to List<Collection[]>\n" +
"----------\n" +
"4. ERROR in X.java (at line 9)\n" +
" lc1 = lc3; //2 ko\n" +
" ^^^\n" +
"Type mismatch: cannot convert from List<capture#1-of ? super Collection<?>[]> to List<Collection[]>\n" +
"----------\n" +
"5. ERROR in X.java (at line 10)\n" +
" lc1 = lc4; //3 ko\n" +
" ^^^\n" +
"Type mismatch: cannot convert from List<capture#2-of ? super Collection[]> to List<Collection[]>\n" +
"----------\n" +
"6. ERROR in X.java (at line 11)\n" +
" lc2 = lc1; //4 ko\n" +
" ^^^\n" +
"Type mismatch: cannot convert from List<Collection[]> to List<Collection<?>[]>\n" +
"----------\n" +
"7. ERROR in X.java (at line 12)\n" +
" lc2 = lc3; //5 ko\n" +
" ^^^\n" +
"Type mismatch: cannot convert from List<capture#3-of ? super Collection<?>[]> to List<Collection<?>[]>\n" +
"----------\n" +
"8. ERROR in X.java (at line 13)\n" +
" lc2 = lc4; //6 ko\n" +
" ^^^\n" +
"Type mismatch: cannot convert from List<capture#4-of ? super Collection[]> to List<Collection<?>[]>\n" +
"----------\n" +
"9. ERROR in X.java (at line 18)\n" +
" lc4 = lc2; //11 ko\n" +
" ^^^\n" +
"Type mismatch: cannot convert from List<Collection<?>[]> to List<? super Collection[]>\n" +
"----------\n" +
"10. ERROR in X.java (at line 19)\n" +
" lc4 = lc3; //12 ko \n" +
" ^^^\n" +
"Type mismatch: cannot convert from List<capture#12-of ? super Collection<?>[]> to List<? super Collection[]>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=128389
public void test0915() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T> {\n" +
" class Y1 extends Throwable {\n" +
" private static final long serialVersionUID = 1L;\n" +
" T t;\n" +
" }\n" +
" static class Y2 extends Throwable {\n" +
" private static final long serialVersionUID = 1L;\n" +
" }\n" +
" class Y3<U> extends Throwable {\n" +
" private static final long serialVersionUID = 1L;\n" +
"\n" +
" T t;\n" +
" }\n" +
"}\n" +
"class Y4<E> extends Throwable {}\n" +
"\n",
},
"----------\n" +
"1. ERROR in X.java (at line 2)\n" +
" class Y1 extends Throwable {\n" +
" ^^^^^^^^^\n" +
"The generic class X<T>.Y1 may not subclass java.lang.Throwable\n" +
"----------\n" +
"2. ERROR in X.java (at line 9)\n" +
" class Y3<U> extends Throwable {\n" +
" ^^^^^^^^^\n" +
"The generic class X<T>.Y3<U> may not subclass java.lang.Throwable\n" +
"----------\n" +
"3. WARNING in X.java (at line 15)\n" +
" class Y4<E> extends Throwable {}\n" +
" ^^\n" +
"The serializable class Y4 does not declare a static final serialVersionUID field of type long\n" +
"----------\n" +
"4. ERROR in X.java (at line 15)\n" +
" class Y4<E> extends Throwable {}\n" +
" ^^^^^^^^^\n" +
"The generic class Y4<E> may not subclass java.lang.Throwable\n" +
"----------\n");
}
// synchronized inheritance for multiple generic types
public void test0916() {
runConformTest(
// test directory preparation
new String[] { /* test files */
"X.java",
"public class X<T extends X2<?>> {\n" +
" T m2;\n" +
" T getX2() {\n" +
" return this.m2;\n" +
" }\n" +
"}\n" +
"class X2<T extends X3> {\n" +
" T m3;\n" +
" T getX3() {\n" +
" return this.m3;\n" +
" }\n" +
"}\n" +
"class X3 {\n" +
"}\n" +
"class Y1<T extends Y2<?>> extends X<T> {\n" +
" public void foo() {\n" +
" getX2().getX3().bar(); // getX3 appropriately returns an Y3\n" +
" }\n" +
"}\n" +
"class Y2<T extends Y3> extends X2<T> {\n" +
"}\n" +
"class Y3 extends X3 {\n" +
" public void bar() {\n" +
" }\n" +
"}\n"},
// javac options
JavacTestOptions.JavacHasABug.JavacBugFixed_6_10 /* javac test options */);
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=128423
// [1.5][compiler] ClassCastException on illegal code fragment
public void test0917() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T extends A> extends X2<T.M> { }\n" +
"class X2<T> { }\n" +
"class A { static class M {} }"
},
"----------\n" +
"1. ERROR in X.java (at line 1)\n" +
" public class X<T extends A> extends X2<T.M> { }\n" +
" ^^^\n" +
"Illegal qualified access from the type parameter T\n" +
"----------\n"
// cannot select from a type variable
);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=128423 - variation
public void test0917a() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T> extends X2<T.clazz> { }\n" +
"class X2<T> { }\n"
},
"----------\n" +
"1. ERROR in X.java (at line 1)\n" +
" public class X<T> extends X2<T.clazz> { }\n" +
" ^^^^^^^\n" +
"Illegal qualified access from the type parameter T\n" +
"----------\n"
// cannot select from a type variable
);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=128423 - variation
public void test0917b() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T> { Class<T> c = T.class; }"
},
"----------\n" +
"1. ERROR in X.java (at line 1)\n" +
" public class X<T> { Class<T> c = T.class; }\n" +
" ^^^^^^^\n" +
"Illegal class literal for the type parameter T\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=128423 - variation
public void test0917c() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T> extends X2<T.class> { }\n" +
"class X2<T> { }\n"
},
"----------\n" +
"1. ERROR in X.java (at line 1)\n" +
" public class X<T> extends X2<T.class> { }\n" +
" ^^^^^\n" +
"Syntax error on token \"class\", Identifier expected\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=128560
public void test0918() {
runConformTest(
// test directory preparation
new String[] { /* test files */
"BasicNode.java",
"class BasicEdge<N extends BasicNode<E, N> & Node<E>, E extends BasicEdge<N, E> & Edge<N>>\n" +
" implements Edge<N> {\n" +
"}\n" +
"\n" +
"public class BasicNode<E extends BasicEdge<N, E> & Edge<N>, N extends BasicNode<E, N> & Node<E>>\n" +
" implements Node<E> {\n" +
"}\n" +
"\n" +
"interface Edge<N extends Node<? extends Edge<N>>> {\n" +
"}\n" +
"\n" +
"interface Node<E extends Edge<? extends Node<E>>> {\n" +
"}\n",
},
// javac options
JavacTestOptions.JavacHasABug.JavacBugFixed_6_10 /* javac test options */);
}
public void test0919() {
this.runConformTest(
new String[] {
"X.java",
"class Box<E> {\n" +
" private E element;\n" +
" void put(E elem) {\n" +
" this.element = elem;\n" +
" }\n" +
" E get() {\n" +
" return this.element;\n" +
" }\n" +
" Pair<E, E> asPair() {\n" +
" return new Pair<E, E>(this.element, this.element);\n" +
" }\n" +
" Box<Box<E>> nest() {\n" +
" Box<Box<E>> wrapper = new Box<Box<E>>();\n" +
" wrapper.put(this);\n" +
" return wrapper;\n" +
" }\n" +
"}\n" +
"\n" +
"class Pair<U, V> {\n" +
" Pair(U u, V v) {\n" +
" }\n" +
"}\n" +
"\n" +
"class PandoraBox<T extends Box<T>> extends Box<T> {\n" +
"}\n" +
"\n" +
"public class X {\n" +
" void test(PandoraBox<?> pbox) {\n" +
" Box<?> box = pbox.get();\n" +
" Pair<?,?> pair = pbox.asPair();\n" +
" Box<?> nbox = pbox.nest();\n" +
" }\n" +
"}\n",
},
"");
}
public void test0920() {
this.runConformTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"class Stack<E> {\n" +
" private List<E> contents = new ArrayList<E>();\n" +
" void push(E e) {\n" +
" this.contents.add(e);\n" +
" }\n" +
" E pop() {\n" +
" int last = this.contents.size() - 1;\n" +
" if (last < 0) throw new EmptyStackException();\n" +
" return this.contents.remove(last);\n" +
" }\n" +
" private static <T> void doSwap(Stack<T> s) {\n" +
" T t1 = s.pop();\n" +
" T t2 = s.pop();\n" +
" s.push(t1);\n" +
" s.push(t2);\n" +
" }\n" +
" static void swap(Stack<?> s) { doSwap(s); }\n" +
"}\n" +
"public class X {\n" +
" public static void main(String[] args) {\n" +
" Stack<Integer> si = new Stack<Integer>();\n" +
" Integer[] ints = { 12, 13, 14, 15, };\n" +
" for (Integer i : ints) si.push(i);\n" +
" try {\n" +
" while(true) {\n" +
" System.out.print(\"[\"+si.pop()+\"]\");\n" +
" }\n" +
" } catch(EmptyStackException e) {\n" +
" System.out.println(\"[done]\");\n" +
" }\n" +
" }\n" +
"}\n",
},
"[15][14][13][12][done]");
}
// FIXME: javac8 rejects
public void test0921() {
runConformTest(
// test directory preparation
new String[] { /* test files */
"Graph.java",
"class Node<N extends Node<N,E>, E extends Edge<N,E>> {\n" +
"}\n" +
"class Edge<N extends Node<N,E>, E extends Edge<N,E>> {\n" +
"}\n" +
"class Graph<N extends Node<N,E>, E extends Edge<N,E>>{\n" +
" N n;\n" +
" E e;\n" +
" private Graph(N n, E e) {\n" +
" this.n = n;\n" +
" this.e = e;\n" +
" }\n" +
" static <N extends Node<N,E>, E extends Edge<N,E>>\n" +
" Graph<N,E> copy(Graph<N,E> g) {\n" +
" return create(g.n,g.e);\n" +
" }\n" +
" static <N extends Node<N,E>, E extends Edge<N,E>>\n" +
" Graph<N,E> create(N n, E e) {\n" +
" return new Graph<N,E>(n,e);\n" +
" }\n" +
" Graph<?,?> builder() {\n" +
" Graph<?,?> g = null;\n" +
" return copy(g);\n" +
" }\n" +
"}\n",
},
// javac options
this.complianceLevel < ClassFileConstants.JDK1_8 ?
(JavacTestOptions) JavacTestOptions.JavacHasABug.JavacBugFixed_6_10 :
JavacTestOptions.DEFAULT/* javac test options */);
}
// Test case which comes from JDT/UI tests TypeEnvironmentTest.testWildcardAssignements
public void test0922() {
this.runNegativeTest(
new String[] {
"Test.java",
"import java.util.*;\n" +
"public class Test {\n" +
" List<List> list_raw_list;\n" +
" {\n" +
" Collection<? extends Collection<? extends Number>> col = list_raw_list;\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. WARNING in Test.java (at line 3)\n" +
" List<List> list_raw_list;\n" +
" ^^^^\n" +
"List is a raw type. References to generic type List<E> should be parameterized\n" +
"----------\n" +
"2. ERROR in Test.java (at line 5)\n" +
" Collection<? extends Collection<? extends Number>> col = list_raw_list;\n" +
" ^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from List<List> to Collection<? extends Collection<? extends Number>>\n" +
"----------\n"
);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=129129
public void test0923() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T> {\n" +
"\n" +
" static void a(Class<? extends X<?>> c) {}\n" +
"\n" +
" static void b(X<?> t) {\n" +
" X.a(t.getClass());\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 6)\n" +
" X.a(t.getClass());\n" +
" ^\n" +
"The method a(Class<? extends X<?>>) in the type X is not applicable for the arguments (Class<capture#2-of ? extends X>)\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=129190
public void test0924() {
runConformTest(
// test directory preparation
true /* flush output directory */,
new String[] { /* test files */
"ExtendedOuter.java",
"class Outer<O> {\n" +
" class Inner {\n" +
" }\n" +
"\n" +
" static void method(Outer<?>.Inner x) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
"}\n" +
"\n" +
"public class ExtendedOuter<E> extends Outer<E> {\n" +
" class ExtendedInner extends Inner {\n" +
" {\n" +
" Outer.method(this);\n" +
" }\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" new ExtendedOuter<String>().new ExtendedInner();\n" +
" }\n" +
"}\n"
},
// compiler results
"" /* expected compiler log */,
// runtime results
"SUCCESS" /* expected output string */,
"" /* expected error string */,
// javac options
JavacTestOptions.JavacHasABug.JavacBugFixed_6_10 /* javac test options */);
}
public void test0925() {
runConformTest(
// test directory preparation
true /* flush output directory */,
new String[] { /* test files */
"X.java",
"import java.util.*;\n" +
"\n" +
"public class X<A, B> {\n" +
" private List<A> toAdd;\n" +
"\n" +
" public X(List<A> toAdd) {\n" +
" this.toAdd = toAdd;\n" +
" }\n" +
"\n" +
" private List<A> getRelated(B b) {\n" +
" // some application logic\n" +
" // for demo\n" +
" return toAdd;\n" +
" }\n" +
"\n" +
" @SuppressWarnings(\"unchecked\")\n" +
" public <L extends List<? super A>, LF extends Factory<L>> L addOrCreate4(\n" +
" B b, L l, LF lf) {\n" +
" if (l == null) {\n" +
" l = lf.create();\n" +
" }\n" +
" ((List<? super A>) l).addAll(getRelated(b)); \n" +
" l.addAll(getRelated(b));\n" +
" return l;\n" +
" }\n" +
"\n" +
" public static class ListFactory<T> implements Factory<List<T>> {\n" +
" public List<T> create() {\n" +
" return new ArrayList<T>();\n" +
" }\n" +
" }\n" +
"\n" +
" public static interface Factory<T> {\n" +
" public T create();\n" +
" }\n" +
"\n" +
" public static void main(String... args) {\n" +
" ListFactory<Number> lf = new ListFactory<Number>();\n" +
" List<Long> longs = new ArrayList<Long>();\n" +
" longs.add(new Long(1));\n" +
" X<Long, Number> test = new X<Long, Number>(longs);\n" +
" List<Number> ret4 = null;\n" +
" ret4 = test.addOrCreate4(1, ret4, lf);\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
"}\n"
},
// compiler results
null /* do not check compiler log */,
// runtime results
"SUCCESS" /* expected output string */,
"" /* expected error string */,
// javac options
JavacTestOptions.JavacHasABug.JavacBugFixed_6_10_b24 /* javac test options */);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=129261
public void test0926() {
String xSource =
"public class X {\n" +
" @SuppressWarnings(\"null\")\n" +
" public void foo() {\n" +
" NonTerminalSourcePart<? extends Tuple<Boolean, Term>> RESULT = null;\n" +
" NonTerminalSourcePart<? extends Tuple<? extends Term, ? extends Formula>> t = null;\n" +
" RESULT = NonTerminalSourcePart.create(Tuple.create(true, t.value().fst()));\n" +
" }\n" +
"}\n" +
"\n" +
"class Term {\n" +
"}\n" +
"\n" +
"class Formula {\n" +
"}\n" +
"\n" +
"final class NonTerminalSourcePart<V> {\n" +
" static <V> NonTerminalSourcePart<V> create(final V _value) {\n" +
" return null;\n" +
" }\n" +
" final V value() {\n" +
" return null;\n" +
" }\n" +
"}\n" +
"\n" +
"class Tuple<A, B> {\n" +
" public static <A, B> Tuple<A, B> create(final A a, final B b) {\n" +
" return null;\n" +
" }\n" +
" public A fst() {\n" +
" return null;\n" +
" }\n" +
"}\n";
if (this.complianceLevel < ClassFileConstants.JDK1_8) {
runNegativeTest(
new String[] {
"X.java",
xSource
},
// compiler results
"----------\n" + /* expected compiler log */
"1. ERROR in X.java (at line 6)\n" +
" RESULT = NonTerminalSourcePart.create(Tuple.create(true, t.value().fst()));\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from NonTerminalSourcePart<Tuple<Boolean,capture#3-of ? extends Term>> to NonTerminalSourcePart<? extends Tuple<Boolean,Term>>\n" +
"----------\n",
// javac options
JavacTestOptions.JavacHasABug.JavacBug6557661 /* javac test options */);
} else {
runConformTest(
new String[] {
"X.java",
xSource
});
}
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=129261 - variation
public void test0927() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"@SuppressWarnings(\"null\") public class X {\n" +
" public void foo() {\n" +
" List<? extends List<Object>> RESULT = null;\n" +
" List<? extends Object> lst = null;\n" +
" RESULT = Collections.singletonList(Collections.singletonList(lst.get(0)));\n" +
" }\n" +
" public void bar() {\n" +
" List<List<Object>> RESULT = null;\n" +
" List<? extends Object> lst = null;\n" +
" RESULT = Collections.singletonList(Collections.singletonList(lst.get(0)));\n" +
" }\n" +
" public void baz() {\n" +
" List<List<Object>> RESULT = null;\n" +
" List<?> lst = null;\n" +
" RESULT = Collections.singletonList(Collections.singletonList(lst.get(0)));\n" +
" }\n" +
" public void bar2(List<? extends Object> lst) {\n" +
" List<Object> RESULT = null;\n" +
" RESULT = lst;\n" +
" RESULT = Collections.singletonList(lst.get(0));\n" +
" } \n" +
" public static void main(String[] args) {\n" +
" List<String> ls = new ArrayList<String>();\n" +
" ls.add(\"str\");\n" +
" new X().bar2(ls);\n" +
" }\n" +
"}\n",
},
(this.complianceLevel < ClassFileConstants.JDK1_8 ?
"----------\n" +
"1. ERROR in X.java (at line 6)\n" +
" RESULT = Collections.singletonList(Collections.singletonList(lst.get(0)));\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from List<List<capture#2-of ? extends Object>> to List<? extends List<Object>>\n" +
"----------\n" +
"2. ERROR in X.java (at line 11)\n" +
" RESULT = Collections.singletonList(Collections.singletonList(lst.get(0)));\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from List<List<capture#3-of ? extends Object>> to List<List<Object>>\n" +
"----------\n" +
"3. ERROR in X.java (at line 16)\n" +
" RESULT = Collections.singletonList(Collections.singletonList(lst.get(0)));\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from List<List<capture#4-of ?>> to List<List<Object>>\n" +
"----------\n" +
"4. ERROR in X.java (at line 20)\n" +
" RESULT = lst;\n" +
" ^^^\n" +
"Type mismatch: cannot convert from List<capture#5-of ? extends Object> to List<Object>\n" +
"----------\n" +
"5. ERROR in X.java (at line 21)\n" +
" RESULT = Collections.singletonList(lst.get(0));\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from List<capture#6-of ? extends Object> to List<Object>\n" +
"----------\n"
:
"----------\n" +
"1. ERROR in X.java (at line 20)\n" +
" RESULT = lst;\n" +
" ^^^\n" +
"Type mismatch: cannot convert from List<capture#5-of ? extends Object> to List<Object>\n" +
"----------\n"));
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=129261 - variation
public void test0928() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"public class X {\n" +
" public static void main(String[] args) throws Throwable {\n" +
" List<?> x1 = new ArrayList<Integer>();\n" +
" List<?> x2 = new ArrayList<Integer>();\n" +
" x1.addAll(x2);\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 6)\n" +
" x1.addAll(x2);\n" +
" ^^^^^^\n" +
"The method addAll(Collection<? extends capture#1-of ?>) in the type List<capture#1-of ?> is not applicable for the arguments (List<capture#2-of ?>)\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=117119
// SHOULD FAIL AT 1.8 (18.2.3): The method allOf(Class<E>) in the type X is not applicable for the arguments (Class<capture#1-of ? extends Enum>)
public void test0929() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.Collection;\n" +
"\n" +
"public class X {\n" +
" \n" +
" public static <E extends Enum<E>> void fails () {\n" +
" Class<? extends Enum> enumType = null;\n" +
" final Collection<E> test = allOf(enumType);\n" +
"\n" +
" Collection<? extends Enum> colType = null;\n" +
" final Collection<E> test2 = colType;\n" +
" }\n" +
" \n" +
" public static <E extends Enum<E>> Collection<E> allOf(final Class<E> enumType) {\n" +
" return null;\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 6)\n" +
" Class<? extends Enum> enumType = null;\n" +
" ^^^^\n" +
"Enum is a raw type. References to generic type Enum<E> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 7)\n" +
" final Collection<E> test = allOf(enumType);\n" +
" ^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked invocation allOf(Class<capture#1-of ? extends Enum>) of the generic method allOf(Class<E>) of type X\n" +
"----------\n" +
"3. WARNING in X.java (at line 7)\n" +
" final Collection<E> test = allOf(enumType);\n" +
" ^^^^^^^^^^^^^^^\n" +
"Type safety: The expression of type Collection needs unchecked conversion to conform to Collection<E>\n" +
"----------\n" +
"4. WARNING in X.java (at line 9)\n" +
" Collection<? extends Enum> colType = null;\n" +
" ^^^^\n" +
"Enum is a raw type. References to generic type Enum<E> should be parameterized\n" +
"----------\n" +
"5. ERROR in X.java (at line 10)\n" +
" final Collection<E> test2 = colType;\n" +
" ^^^^^^^\n" +
"Type mismatch: cannot convert from Collection<capture#2-of ? extends Enum> to Collection<E>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=119238
public void test0930() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T> {\n" +
" public static int I;\n" +
" public void foo() {\n" +
" X.I= 10;\n" +
" }\n" +
" { Zork z; }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 6)\n" +
" { Zork z; }\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=119238 - variation
public void test0931() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T> {\n" +
" public static int I;\n" +
" public void foo() {\n" +
" X<T>.I= 10;\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" X<T>.I= 10;\n" +
" ^\n" +
"Syntax error on token \"I\", VariableDeclaratorId expected after this token\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=119238 - variation
public void _test0932() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T> {\n" +
" public static int Method() { return 0; }\n" +
" public void foo() {\n" +
" X.Method();\n" +
" }\n" +
" public void bar() {\n" +
" X<String>.Method();\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 7)\n" +
" X<String>.Method();\n" +
" ^^^^^^^^^^\n" +
"Syntax error on token(s), misplaced construct(s)\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=128063
public void test0933() {
this.runNegativeTest(
new String[] {
"a/AbstractFoo.java", //================================
"package a;\n" +
"public abstract class AbstractFoo<T extends AbstractFoo<T>> {\n" +
" protected static class Inner<T extends AbstractFoo<T>> {\n" +
" public Inner() {\n" +
" }\n" +
"\n" +
" public final void doSmth() {\n" +
" }\n" +
" }\n" +
"}\n",
"b/CustomFoo.java", //================================
"package b;\n" +
"import a.AbstractFoo;\n" +
"public final class CustomFoo extends AbstractFoo<CustomFoo> {\n" +
" private Inner<DefaultFoo> defaultInner;\n" +
"\n" +
" Inner<DefaultFoo> getDefaultInner() {\n" +
" return (this.defaultInner == null)\n" +
" ? this.defaultInner = new Inner<DefaultFoo>()\n" +
" : this.defaultInner;\n" +
" } \n" +
"\n" +
" private Inner<CustomFoo> customInner;\n" +
"\n" +
" Inner<CustomFoo> getCustomInner() {\n" +
" return (this.customInner == null)\n" +
" ? this.customInner = new Inner<CustomFoo>()\n" +
" : this.customInner;\n" +
" } \n" +
"}\n",
"b/DefaultFoo.java", //================================
"package b;\n" +
"import a.AbstractFoo;\n" +
"public final class DefaultFoo extends AbstractFoo<DefaultFoo> {\n" +
" private Inner<DefaultFoo> defaultInner;\n" +
"\n" +
" Inner<DefaultFoo> getDefaultInner() {\n" +
" return (this.defaultInner == null)\n" +
" ? this.defaultInner = new Inner<DefaultFoo>()\n" +
" : this.defaultInner;\n" +
" } \n" +
"\n" +
" private Inner<CustomFoo> customInner;\n" +
"\n" +
" Inner<CustomFoo> getCustomInner() {\n" +
" return (this.customInner == null)\n" +
" ? this.customInner = new Inner<CustomFoo>()\n" +
" : this.customInner;\n" +
" }\n" +
"\n" +
" ///////////////////////////////////////////////////////////////////////\n" +
" public void testCompilationFailure(final CustomFoo foo) {\n" +
" final DefaultFoo foo1 = this;\n" +
" final CustomFoo foo2 = foo;\n" +
"\n" +
" // These get compiled w/o error:\n" +
" foo1.getCustomInner().doSmth();\n" +
" foo1.getDefaultInner().doSmth();\n" +
"\n" +
" // These do not (Eclipse 3.2.0 M4):\n" +
" foo2.getCustomInner().doSmth();\n" +
" foo2.getDefaultInner().doSmth();\n" +
"\n" +
" // Expect error\n" +
" String s11 = foo1.getCustomInner();\n" +
" String s12 = foo2.getDefaultInner();\n" +
" String s21 = foo2.getCustomInner();\n" +
" String s22 = foo2.getDefaultInner();\n" +
"\n" +
" // However, if we split statements, everything\'s ok: \n" +
" final Inner<CustomFoo> customInner2 = foo2.getCustomInner();\n" +
" customInner2.doSmth();\n" +
"\n" +
" final Inner<DefaultFoo> defaultInner2 = foo2.getDefaultInner();\n" +
" defaultInner2.doSmth();\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in b\\DefaultFoo.java (at line 34)\n" +
" String s11 = foo1.getCustomInner();\n" +
" ^^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from AbstractFoo.Inner<CustomFoo> to String\n" +
"----------\n" +
"2. ERROR in b\\DefaultFoo.java (at line 35)\n" +
" String s12 = foo2.getDefaultInner();\n" +
" ^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from AbstractFoo.Inner<DefaultFoo> to String\n" +
"----------\n" +
"3. ERROR in b\\DefaultFoo.java (at line 36)\n" +
" String s21 = foo2.getCustomInner();\n" +
" ^^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from AbstractFoo.Inner<CustomFoo> to String\n" +
"----------\n" +
"4. ERROR in b\\DefaultFoo.java (at line 37)\n" +
" String s22 = foo2.getDefaultInner();\n" +
" ^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from AbstractFoo.Inner<DefaultFoo> to String\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=128063 - variation
public void test0934() {
this.runNegativeTest(
new String[] {
"X.java", //================================
"public class X<T> {\n" +
" static class Inner<U> {\n" +
" static class InInner <V> {\n" +
" }\n" +
" }\n" +
"}\n" +
"class Y<W> extends X<W> {\n" +
" void foo() {\n" +
" Inner<W> inner = null;\n" +
" String s = inner;\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 10)\n" +
" String s = inner;\n" +
" ^^^^^\n" +
"Type mismatch: cannot convert from X.Inner<W> to String\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=128063 - variation
public void test0935() {
this.runNegativeTest(
new String[] {
"X.java", //================================
"public class X<T> {\n" +
" static class Inner<U> {\n" +
" class InInner <V> {\n" +
" }\n" +
" }\n" +
"}\n" +
"class Y<W> extends X<W> {\n" +
" void foo() {\n" +
" Inner<W>.InInner<W> inner = null;\n" +
" String s = inner;\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 10)\n" +
" String s = inner;\n" +
" ^^^^^\n" +
"Type mismatch: cannot convert from X.Inner<W>.InInner<W> to String\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=128063 - variation
public void test0936() {
this.runNegativeTest(
new String[] {
"X.java", //================================
"public class X<T> {\n" +
" class Inner<U> {\n" +
" class InInner <V> {\n" +
" }\n" +
" }\n" +
"}\n" +
"class Y<W> extends X<W> {\n" +
" void foo() {\n" +
" Inner<W> inner = null;\n" +
" String s = inner;\n" +
" \n" +
" Inner<W>.InInner<W> inner2 = null;\n" +
" s = inner2;\n" +
"\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 10)\n" +
" String s = inner;\n" +
" ^^^^^\n" +
"Type mismatch: cannot convert from X<W>.Inner<W> to String\n" +
"----------\n" +
"2. ERROR in X.java (at line 13)\n" +
" s = inner2;\n" +
" ^^^^^^\n" +
"Type mismatch: cannot convert from X<W>.Inner<W>.InInner<W> to String\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=129190 - variation
public void test0937() {
this.runNegativeTest(
new String[] {
"ExtendedOuter.java", //================================
"class Outer<O> {\n" +
" class Inner {}\n" +
"\n" +
" static void method(Outer.Inner x) {}\n" +
"}\n" +
"\n" +
"public class ExtendedOuter<E> extends Outer<E> {\n" +
" class ExtendedInner extends Inner {\n" +
" {\n" +
" Outer.method(this);\n" +
" }\n" +
" }\n" +
" void foo() {\n" +
" Zork zk;\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. WARNING in ExtendedOuter.java (at line 4)\n" +
" static void method(Outer.Inner x) {}\n" +
" ^^^^^^^^^^^\n" +
"Outer.Inner is a raw type. References to generic type Outer<O>.Inner should be parameterized\n" +
"----------\n" +
"2. ERROR in ExtendedOuter.java (at line 14)\n" +
" Zork zk;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=129190 - variation
public void test0938() {
this.runNegativeTest(
new String[] {
"ExtendedOuter.java", //================================
"class Outer<O> {\n" +
" class Inner {}\n" +
"\n" +
" static void method(Outer<?>.Inner x) {}\n" +
"}\n" +
"\n" +
"public class ExtendedOuter<E> extends Outer<E> {\n" +
" class ExtendedInner extends Inner {\n" +
" {\n" +
" Outer.method(this);\n" +
" }\n" +
" }\n" +
" void foo() {\n" +
" Zork zk;\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in ExtendedOuter.java (at line 14)\n" +
" Zork zk;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=129190 - variation
public void test0939() {
this.runNegativeTest(
new String[] {
"ExtendedOuter.java", //================================
"class Outer<O> {\n" +
" class Inner {}\n" +
"\n" +
" static <I> void method(Outer<I>.Inner x) {}\n" +
"}\n" +
"\n" +
"public class ExtendedOuter<E> extends Outer<E> {\n" +
" class ExtendedInner extends Inner {\n" +
" {\n" +
" Outer.method(this);\n" +
" }\n" +
" }\n" +
" void foo() {\n" +
" Zork zk;\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in ExtendedOuter.java (at line 14)\n" +
" Zork zk;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=129190 - variation
// force check that I is inferred to E, not Object
public void test0939b() {
this.runNegativeTest(
new String[] {
"ExtendedOuter.java", //================================
"class Outer<O> {\n" +
" class Inner {}\n" +
"\n" +
" static <I> I method(Outer<I>.Inner x) { return null; }\n" +
"}\n" +
"\n" +
"public class ExtendedOuter<E extends A> extends Outer<E> {\n" +
" class ExtendedInner extends Inner {\n" +
" {\n" +
" Outer.method(this).bar();\n" +
" }\n" +
" }\n" +
" void foo() {\n" +
" Zork zk;\n" +
" }\n" +
"}\n" +
"class A { void bar() {} }\n",
},
"----------\n" +
"1. ERROR in ExtendedOuter.java (at line 14)\n" +
" Zork zk;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=129261 - variation
public void test0940() {
this.runNegativeTest(
new String[] {
"X.java", //================================
"import java.util.*;\n" +
"public class X {\n" +
" <U extends Object> void bar3(List<U> lst) {\n" +
" List<Object> RESULT = null;\n" +
" RESULT = lst; // 1\n" +
" RESULT = Collections.singletonList(lst.get(0)); // 2\n" +
" } \n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 5)\n" +
" RESULT = lst; // 1\n" +
" ^^^\n" +
"Type mismatch: cannot convert from List<U> to List<Object>\n" +
"----------\n" +
(this.complianceLevel < ClassFileConstants.JDK1_8 ?
"2. ERROR in X.java (at line 6)\n" +
" RESULT = Collections.singletonList(lst.get(0)); // 2\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from List<U> to List<Object>\n" +
"----------\n"
:
""));
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=129261 - variation
public void test0941() {
String xSource =
"import java.util.*;\n" +
"\n" +
"public class X {\n" +
" <T> Map<T,T> foo(T t1, T t2) {\n" +
" return null;\n" +
" }\n" +
" <U extends Object, V extends U> void bar(U u, V v) {\n" +
" Map<Object,Object> map1 = foo(u, v);\n" +
" Map<U,U> map2 = foo(u, v);\n" +
" } \n" +
"}\n";
if (this.complianceLevel < ClassFileConstants.JDK1_8) {
this.runNegativeTest(
new String[] {
"X.java",
xSource,
},
"----------\n" +
"1. ERROR in X.java (at line 8)\n" +
" Map<Object,Object> map1 = foo(u, v);\n" +
" ^^^^^^^^^\n" +
"Type mismatch: cannot convert from Map<U,U> to Map<Object,Object>\n" +
"----------\n");
} else {
runConformTest(new String[] { "X.java", xSource });
}
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=129261 - variation
public void test0942() {
String xSource =
"import java.util.*;\n" +
"\n" +
"public class X {\n" +
" <T> Map<T,T> foo(T t1, T t2, T t3) {\n" +
" return null;\n" +
" }\n" +
" <U extends Object, V extends U> void bar(U u, V v) {\n" +
" Map<Object,Object> map1 = foo(u, v, null);\n" +
" Map<U,U> map2 = foo(u, v, null);\n" +
" } \n" +
"}\n";
if (this.complianceLevel < ClassFileConstants.JDK1_8) {
this.runNegativeTest(
new String[] {
"X.java",
xSource,
},
"----------\n" +
"1. ERROR in X.java (at line 8)\n" +
" Map<Object,Object> map1 = foo(u, v, null);\n" +
" ^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Map<U,U> to Map<Object,Object>\n" +
"----------\n");
} else {
runConformTest(new String[] { "X.java", xSource });
}
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=129261 - variation
public void test0943() {
String xSource =
"import java.util.*;\n" +
"\n" +
"public class X {\n" +
" <T> Map<T,T> foo(T t1, T t2, T t3) {\n" +
" return null;\n" +
" }\n" +
" <U extends Object, V extends U> void bar(U u, V v, List<? extends V> lv) {\n" +
" Map<Object,Object> map1 = foo(u, v, lv.get(0));\n" +
" Map<U,U> map2 = foo(u, v, lv.get(0));\n" +
" }\n" +
"}\n";
if (this.complianceLevel < ClassFileConstants.JDK1_8) {
this.runNegativeTest(
new String[] {
"X.java",
xSource,
},
"----------\n" +
"1. ERROR in X.java (at line 8)\n" +
" Map<Object,Object> map1 = foo(u, v, lv.get(0));\n" +
" ^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Map<U,U> to Map<Object,Object>\n" +
"----------\n");
} else {
runConformTest(new String[] { "X.java", xSource });
}
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=129996
public void test0944() {
this.runNegativeTest(
new String[] {
"X.java", //================================
"import java.util.*;\n" +
"public class X {\n" +
" public static <A> Set<A> method(List<? super A> list) {\n" +
" return new HashSet<A>();\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" ArrayList<Number> l = new ArrayList<Number>();\n" +
" Set<Integer> s1 = method(l);\n" +
" Set<Integer> s2 = (Set<Integer>) method(l);\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 9)\n" +
" Set<Integer> s2 = (Set<Integer>) method(l);\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Cannot cast from Set<Number> to Set<Integer>\n" +
"----------\n");
}
public void test0945() {
this.runNegativeTest(
new String[] {
"X.java", //================================
"import java.util.*;\n" +
"\n" +
"public class X {\n" +
" public static void main(String[] args){\n" +
" Object[] objArray = {new Object()};\n" +
" ArrayList<String> strList = new ArrayList<String>();\n" +
" transferBug(objArray, strList);\n" +
" String str = strList.get(0);\n" +
"}\n" +
"public static <Var> void transferBug(Var[] src, Collection<Var> dest){\n" +
" dest.add(src[0]);\n" +
"}\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 7)\n" +
" transferBug(objArray, strList);\n" +
" ^^^^^^^^^^^\n" +
"The method transferBug(Var[], Collection<Var>) in the type X is not applicable for the arguments (Object[], ArrayList<String>)\n" +
"----------\n");
}
public void test0946() {
runConformTest(
// test directory preparation
true /* flush output directory */,
new String[] { /* test files */
"X.java", //================================
"public class X {\n" +
" public static void main(String[] args) {\n" +
" operate(Operations.create());\n" +
" }\n" +
" static <O extends Num<O>> void operate(Operators<O> operators) {\n" +
" System.out.println(operators.spawn());\n" +
" }\n" +
"}\n" +
"class Operations {\n" +
" static Operators<?> create() {\n" +
" return new IntOperators();\n" +
" }\n" +
"}\n" +
"interface Num<O> {\n" +
" public O spawn();\n" +
"}\n" +
"class Int implements Num<Int> {\n" +
" public Int spawn() {\n" +
" return new Int();\n" +
" }\n" +
" public String toString() {\n" +
" return \"Int\";\n" +
" }\n" +
"}\n" +
"interface Operators<O extends Num<O>> {\n" +
" O spawn();\n" +
"}\n" +
"class IntOperators implements Operators<Int> {\n" +
" public Int spawn() {\n" +
" return new Int();\n" +
" }\n" +
"}\n",
},
// compiler results
null /* do not check compiler log */,
// runtime results
"Int" /* expected output string */,
"" /* expected error string */,
// javac options
JavacTestOptions.JavacHasABug.JavacBugFixed_6_10 /* javac test options */);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=129261 - variation
public void test0947() {
String xSource =
"public class X {\n" +
" public void bar2(Box<?> b) {\n" +
" Box<Runnable> bx = box(b.element);\n" +
" box(b.element).element.run();\n" +
" }\n" +
" static <U extends Runnable> Box<U> box(U u) {\n" +
" return new Box<U>(u);\n" +
" }\n" +
"}\n" +
"class Box<E extends Runnable> {\n" +
" E element;\n" +
" Box(E element) {\n" +
" this.element = element;\n" +
" }\n" +
"}\n";
if (this.complianceLevel < ClassFileConstants.JDK1_8) {
this.runNegativeTest(
new String[] {
"X.java",
xSource,
},
"----------\n" +
"1. ERROR in X.java (at line 3)\n" +
" Box<Runnable> bx = box(b.element);\n" +
" ^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Box<capture#1-of ?> to Box<Runnable>\n" +
"----------\n",
JavacTestOptions.EclipseHasABug.EclipseBug236236);
} else {
runConformTest(new String[]{ "X.java", xSource });
}
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=129261 - variation
public void test0948() {
this.runConformTest(
new String[] {
"X.java", //================================
"import java.util.*;\n" +
"public class X {\n" +
" public void bar2(Box<?> b1, Box<Runnable> b2) {\n" +
" Pair<Runnable,Runnable> blist = pair(b1.element, b2.element);\n" +
" }\n" +
" static <U> Pair<U,U> pair(U u1, U u2) {\n" +
" return new Pair<U,U>(u1,u2);\n" +
" }\n" +
"}\n" +
"class Pair<E,F> {\n" +
" Pair(E e, F f){}\n" +
"}\n" +
"class Box<E extends Runnable> {\n" +
" E element;\n" +
" Box(E element) {\n" +
" this.element = element;\n" +
" }\n" +
"}\n",
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=128418
public void test0949() {
this.runNegativeTest(
new String[] {
"X.java", //================================
"import java.util.Arrays;\n" +
"\n" +
"public class X {\n" +
" public <T> Iterable<T> m(T... ts) {\n" +
" return Arrays.asList(ts);\n" +
" }\n" +
" public <T> void m3(Iterable<T>... ts) {\n" +
" }\n" +
" public void m2() {\n" +
" m3(m(3, 3, 3));\n" +
" m3(m());\n" +
" m3(m(new Object[]{}));\n" +
" Zork z;\n" +
" }\n" +
"}\n",
},
this.complianceLevel < ClassFileConstants.JDK1_7 ?
"----------\n" +
"1. WARNING in X.java (at line 10)\n" +
" m3(m(3, 3, 3));\n" +
" ^^^^^^^^^^^^^^\n" +
"Type safety: A generic array of Iterable<Integer> is created for a varargs parameter\n" +
"----------\n" +
"2. WARNING in X.java (at line 11)\n" +
" m3(m());\n" +
" ^^^^^^^\n" +
"Type safety: A generic array of Iterable<Object> is created for a varargs parameter\n" +
"----------\n" +
"3. WARNING in X.java (at line 12)\n" +
" m3(m(new Object[]{}));\n" +
" ^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: A generic array of Iterable<Object> is created for a varargs parameter\n" +
"----------\n" +
"4. ERROR in X.java (at line 13)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n" :
"----------\n" +
"1. WARNING in X.java (at line 4)\n" +
" public <T> Iterable<T> m(T... ts) {\n" +
" ^^\n" +
"Type safety: Potential heap pollution via varargs parameter ts\n" +
"----------\n" +
"2. WARNING in X.java (at line 7)\n" +
" public <T> void m3(Iterable<T>... ts) {\n" +
" ^^\n" +
"Type safety: Potential heap pollution via varargs parameter ts\n" +
"----------\n" +
"3. WARNING in X.java (at line 10)\n" +
" m3(m(3, 3, 3));\n" +
" ^^^^^^^^^^^^^^\n" +
"Type safety: A generic array of Iterable<Integer> is created for a varargs parameter\n" +
"----------\n" +
"4. WARNING in X.java (at line 11)\n" +
" m3(m());\n" +
" ^^^^^^^\n" +
"Type safety: A generic array of Iterable<Object> is created for a varargs parameter\n" +
"----------\n" +
"5. WARNING in X.java (at line 12)\n" +
" m3(m(new Object[]{}));\n" +
" ^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: A generic array of Iterable<Object> is created for a varargs parameter\n" +
"----------\n" +
"6. ERROR in X.java (at line 13)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=128418 - variation
public void test0950() {
this.runNegativeTest(
new String[] {
"X.java", //================================
"import java.util.Arrays;\n" +
"\n" +
"public class X {\n" +
" public <T> Iterable<T> m(T[]... ts) {\n" +
" return Arrays.asList(ts[0]);\n" +
" }\n" +
" public <T> void m3(Iterable<T>... ts) {\n" +
" }\n" +
" public void m2() {\n" +
" m3(m(new Integer[]{3, 3, 3}));\n" +
" m3(m());\n" +
" m3(m(new Object[][]{}));\n" +
" Zork z;\n" +
" }\n" +
"}\n",
},
this.complianceLevel < ClassFileConstants.JDK1_7 ?
"----------\n" +
"1. WARNING in X.java (at line 10)\n" +
" m3(m(new Integer[]{3, 3, 3}));\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: A generic array of Iterable<Object> is created for a varargs parameter\n" +
"----------\n" +
"2. WARNING in X.java (at line 11)\n" +
" m3(m());\n" +
" ^^^^^^^\n" +
"Type safety: A generic array of Iterable<Object> is created for a varargs parameter\n" +
"----------\n" +
"3. WARNING in X.java (at line 12)\n" +
" m3(m(new Object[][]{}));\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: A generic array of Iterable<Object> is created for a varargs parameter\n" +
"----------\n" +
"4. ERROR in X.java (at line 13)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n" :
"----------\n" +
"1. WARNING in X.java (at line 4)\n" +
" public <T> Iterable<T> m(T[]... ts) {\n" +
" ^^\n" +
"Type safety: Potential heap pollution via varargs parameter ts\n" +
"----------\n" +
"2. WARNING in X.java (at line 7)\n" +
" public <T> void m3(Iterable<T>... ts) {\n" +
" ^^\n" +
"Type safety: Potential heap pollution via varargs parameter ts\n" +
"----------\n" +
"3. WARNING in X.java (at line 10)\n" +
" m3(m(new Integer[]{3, 3, 3}));\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
(this.complianceLevel == ClassFileConstants.JDK1_7?
"Type safety: A generic array of Iterable<Object> is created for a varargs parameter\n"
:
"Type safety: A generic array of Iterable<Integer> is created for a varargs parameter\n"
) +
"----------\n" +
"4. WARNING in X.java (at line 11)\n" +
" m3(m());\n" +
" ^^^^^^^\n" +
"Type safety: A generic array of Iterable<Object> is created for a varargs parameter\n" +
"----------\n" +
"5. WARNING in X.java (at line 12)\n" +
" m3(m(new Object[][]{}));\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: A generic array of Iterable<Object> is created for a varargs parameter\n" +
"----------\n" +
"6. ERROR in X.java (at line 13)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=128418 - variation
public void test0951() {
this.runNegativeTest(
new String[] {
"X.java", //================================
"import java.util.Arrays;\n" +
"\n" +
"public class X {\n" +
" public <T> Iterable<T> m(T[]... ts) {\n" +
" return Arrays.asList(ts[0]);\n" +
" }\n" +
" public <T> void m3(Iterable<T>... ts) {\n" +
" }\n" +
" @SuppressWarnings(\"unchecked\")\n" +
" public void m2() {\n" +
" m3(m(new Integer[]{3, 3, 3}));\n" +
" m3(m());\n" +
" m3(m(new Object[][]{}));\n" +
" Zork z;\n" +
" }\n" +
"}\n",
},
this.complianceLevel < ClassFileConstants.JDK1_7 ?
"----------\n" +
"1. ERROR in X.java (at line 14)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n" :
"----------\n" +
"1. WARNING in X.java (at line 4)\n" +
" public <T> Iterable<T> m(T[]... ts) {\n" +
" ^^\n" +
"Type safety: Potential heap pollution via varargs parameter ts\n" +
"----------\n" +
"2. WARNING in X.java (at line 7)\n" +
" public <T> void m3(Iterable<T>... ts) {\n" +
" ^^\n" +
"Type safety: Potential heap pollution via varargs parameter ts\n" +
"----------\n" +
"3. ERROR in X.java (at line 14)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=128418 - variation
public void test0952() {
this.runNegativeTest(
new String[] {
"X.java", //================================
"public class X {\n" +
" public <T> Iterable<T> m(T... ts) {\n" +
" return null;\n" +
" }\n" +
" public <T> void m3(Iterable<T>... ts) {\n" +
" }\n" +
" public void m2() {\n" +
" m3(m(null));\n" +
" Zork z;\n" +
" }\n" +
"}\n",
},
this.complianceLevel < ClassFileConstants.JDK1_7 ?
"----------\n" +
"1. WARNING in X.java (at line 8)\n" +
" m3(m(null));\n" +
" ^^^^^^^^^^^\n" +
"Type safety: A generic array of Iterable<Object> is created for a varargs parameter\n" +
"----------\n" +
"2. WARNING in X.java (at line 8)\n" +
" m3(m(null));\n" +
" ^^^^^^^\n" +
"Type null of the last argument to method m(Object...) doesn't exactly match the vararg parameter type. Cast to Object[] to confirm the non-varargs invocation, or pass individual arguments of type Object for a varargs invocation.\n" +
"----------\n" +
"3. ERROR in X.java (at line 9)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n" :
"----------\n" +
"1. WARNING in X.java (at line 2)\n" +
" public <T> Iterable<T> m(T... ts) {\n" +
" ^^\n" +
"Type safety: Potential heap pollution via varargs parameter ts\n" +
"----------\n" +
"2. WARNING in X.java (at line 5)\n" +
" public <T> void m3(Iterable<T>... ts) {\n" +
" ^^\n" +
"Type safety: Potential heap pollution via varargs parameter ts\n" +
"----------\n" +
"3. WARNING in X.java (at line 8)\n" +
" m3(m(null));\n" +
" ^^^^^^^^^^^\n" +
"Type safety: A generic array of Iterable<Object> is created for a varargs parameter\n" +
"----------\n" +
"4. WARNING in X.java (at line 8)\n" +
" m3(m(null));\n" +
" ^^^^^^^\n" +
"Type null of the last argument to method m(Object...) doesn't exactly match the vararg parameter type. Cast to Object[] to confirm the non-varargs invocation, or pass individual arguments of type Object for a varargs invocation.\n" +
"----------\n" +
"5. ERROR in X.java (at line 9)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=106325
public void test0953() {
if (this.complianceLevel >= ClassFileConstants.JDK1_7) return;
this.runNegativeTest(
new String[] {
"X.java", //================================
"import java.lang.ref.WeakReference;\n" +
"import java.util.Arrays;\n" +
"import java.util.List;\n" +
"\n" +
"public class X {\n" +
" void m(WeakReference<Integer> ref) {\n" +
" List<WeakReference<Integer>> list= Arrays.asList(ref);\n" +
" Zork z;\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 7)\n" +
" List<WeakReference<Integer>> list= Arrays.asList(ref);\n" +
" ^^^^^^^^^^^^^^^^^^\n" +
"Type safety: A generic array of WeakReference<Integer> is created for a varargs parameter\n" +
"----------\n" +
"2. ERROR in X.java (at line 8)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=130543
public void test0954() {
this.runNegativeTest(
new String[] {
"X.java", //================================
"import java.util.*;\n" +
"\n" +
"public class X<A,B> {\n" +
" class Member<C,D> {}\n" +
" static class SMember<U,V> {}\n" +
" void foo1() {\n" +
" X<?,?>[] xs = new X<?,?>[]{};//1\n" +
" for(X<?,?> x : xs) {\n" +
" System.out.println(x);\n" +
" }\n" +
" }\n" +
" void bar1() {\n" +
" Member<?,?>[] members = new Member<?,?>[]{};//2\n" +
" for(Member<?,?> m : members) {\n" +
" System.out.println(m);\n" +
" }\n" +
" }\n" +
" void bas1() {\n" +
" SMember<?,?>[] members = new SMember<?,?>[]{};//3\n" +
" for(SMember<?,?> m : members) {\n" +
" System.out.println(m);\n" +
" }\n" +
" }\n" +
" void baz1() {\n" +
" class Local<E,F>{}\n" +
" Local<?,?>[] locals = new Local<?,?>[]{};//4\n" +
" for(Local<?,?> l : locals) {\n" +
" System.out.println(l);\n" +
" }\n" +
" }\n" +
" void foo2() {\n" +
" X<?,?>[] xs = new X<?,?>[5];//5\n" +
" for(X<?,?> x : xs) {\n" +
" System.out.println(x);\n" +
" }\n" +
" }\n" +
" void bar2() {\n" +
" Member<?,?>[] members = new Member<?,?>[5];//6\n" +
" for(Member<?,?> m : members) {\n" +
" System.out.println(m);\n" +
" }\n" +
" }\n" +
" void bas2() {\n" +
" SMember<?,?>[] members = new SMember<?,?>[5];//7\n" +
" for(SMember<?,?> m : members) {\n" +
" System.out.println(m);\n" +
" }\n" +
" }\n" +
" void baz2() {\n" +
" class Local<E,F>{}\n" +
" Local<?,?>[] locals = new Local<?,?>[5];//8\n" +
" for(Local<?,?> l : locals) {\n" +
" System.out.println(l);\n" +
" }\n" +
" }\n" +
" void foo3() {\n" +
" X<?,?>[] xs = new X<?,?>[5];//9\n" +
" for(X<?,?> x : xs) {\n" +
" System.out.println(x);\n" +
" }\n" +
" }\n" +
" void bar3() {\n" +
" X<?,?>.Member<?,?>[] members = new X<?,?>.Member<?,?>[5];//10\n" +
" for(X<?,?>.Member<?,?> m : members) {\n" +
" System.out.println(m);\n" +
" }\n" +
" }\n" +
" static void baz3() {\n" +
" class Local<E,F>{}\n" +
" Local<?,?>[] locals = new Local<?,?>[5];//11\n" +
" for(Local<?,?> l : locals) {\n" +
" System.out.println(l);\n" +
" }\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 13)\n" +
" Member<?,?>[] members = new Member<?,?>[]{};//2\n" +
" ^^\n" +
"Cannot create a generic array of X<A,B>.Member<?,?>\n" +
"----------\n" +
"2. ERROR in X.java (at line 26)\n" +
" Local<?,?>[] locals = new Local<?,?>[]{};//4\n" +
" ^^\n" +
"Cannot create a generic array of Local<?,?>\n" +
"----------\n" +
"3. ERROR in X.java (at line 38)\n" +
" Member<?,?>[] members = new Member<?,?>[5];//6\n" +
" ^^^^^^^^^^^^^^^^^^\n" +
"Cannot create a generic array of X<A,B>.Member<?,?>\n" +
"----------\n" +
"4. ERROR in X.java (at line 51)\n" +
" Local<?,?>[] locals = new Local<?,?>[5];//8\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"Cannot create a generic array of Local<?,?>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=105049
public void test0955() {
this.runNegativeTest(
new String[] {
"X.java", //================================
"import java.util.List;\n" +
"public class X<E> {\n" +
" void method(Object o) {\n" +
" if (o instanceof List<E>[]) { //incorrect: bug 104695\n" +
" List<E>[] es= (List<E>[]) o; //unchecked\n" +
" }\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" if (o instanceof List<E>[]) { //incorrect: bug 104695\n" +
" ^^^^^^^^^^^^^^^^^^^^^^\n" +
"Cannot perform instanceof check against parameterized type List<E>[]. Use the form List<?>[] instead since further generic type information will be erased at runtime\n" +
"----------\n" +
"2. WARNING in X.java (at line 5)\n" +
" List<E>[] es= (List<E>[]) o; //unchecked\n" +
" ^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from Object to List<E>[]\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=130128
public void test0956() {
this.runConformTest(
new String[] {
"X.java", //================================
"public class X<F> {\n" +
"\n" +
" public void printNickname(Person<F> person) {\n" +
" Person<F>.Nickname nickname = person.getNickname();\n" +
" System.out.println(nickname);\n" +
" }\n" +
"\n" +
" static class Person<E> {\n" +
" private Nickname nickname;\n" +
"\n" +
" public Nickname getNickname() {\n" +
" return nickname;\n" +
" }\n" +
"\n" +
" public void setNickname(Nickname nickname) {\n" +
" this.nickname = nickname;\n" +
" }\n" +
"\n" +
" class Nickname {\n" +
" private String name;\n" +
" private boolean insulting;\n" +
" }\n" +
" }\n" +
"}\n",
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=132348
public void test0957() {
this.runNegativeTest(
new String[] {
"AnyInterface.java", //================================
"public interface AnyInterface {\n" +
" public void doSomething();\n" +
"}",
"UsingGenericsClass",
"public class UsingGenericsClass<A,B extends A & AnyInterface> {\n" +
" public UsingGenericsClass(){\n" +
" }\n" +
"}"
},
"----------\n" +
"1. ERROR in UsingGenericsClass (at line 1)\n" +
" public class UsingGenericsClass<A,B extends A & AnyInterface> {\n" +
" ^^^^^^^^^^^^\n" +
"Cannot specify any additional bound AnyInterface when first bound is a type parameter\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=131935
public void test0958() {
this.runNegativeTest(
new String[] {
"X.java", //================================
"import java.lang.ref.ReferenceQueue;\n" +
"import java.lang.ref.SoftReference;\n" +
"import java.util.Hashtable;\n" +
"\n" +
"public class X {\n" +
" private static final Hashtable<Integer, Soft> cache = new Hashtable<Integer, Soft>();\n" +
"\n" +
" private static final ReferenceQueue<String> trash = new ReferenceQueue<String>();\n" +
"\n" +
" private static final class Soft extends SoftReference<String> {\n" +
" int key;\n" +
"\n" +
" Soft() {\n" +
" super(null);\n" +
" }\n" +
" }\n" +
"\n" +
" final Thread clean = new Thread(\"BigTableModel cleaner\") {\n" +
" @Override\n" +
" public void run() {\n" +
" for (;;)\n" +
" try {\n" +
" cache.remove(((Soft) trash.remove()).key);\n" +
" } catch (final InterruptedException e) {\n" +
" return;\n" +
" }\n" +
" Zork z;\n" +
" }\n" +
" };\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 27)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=133803
public void test0959() {
this.runNegativeTest(
new String[] {
"X.java", //================================
"import java.lang.ref.*;\n" +
"\n" +
"class Soft extends SoftReference<String> {\n" +
" Soft() { super(null); }\n" +
"}\n" +
"\n" +
"class Bug {\n" +
" void m(Reference<? extends Number> remove) {\n" +
" Soft soft= (Soft) remove;\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 9)\n" +
" Soft soft= (Soft) remove;\n" +
" ^^^^^^^^^^^^^\n" +
"Cannot cast from Reference<capture#1-of ? extends Number> to Soft\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=118273
// SHOULD FAIL AT 1.8 (RET): Type mismatch: cannot convert from X<Comparable<Comparable<T>>> to X
public void test0960() {
this.runNegativeTest(
new String[] {
"X.java", //================================
"public class X<A> {\n" +
" <B extends Comparable<B>> X<B> newInstance() {\n" +
" return new X<B>();\n" +
" }\n" +
"\n" +
" X<String>[] bugDemo() {\n" +
" X x = newInstance();\n" +
" return new X[] { x };\n" +
" }\n" +
" Zork z;\n" +
"}\n"
},
"----------\n" +
"1. WARNING in X.java (at line 7)\n" +
" X x = newInstance();\n" +
" ^\n" +
"X is a raw type. References to generic type X<A> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 8)\n" +
" return new X[] { x };\n" +
" ^^^^^^^^^^^^^\n" +
"Type safety: The expression of type X[] needs unchecked conversion to conform to X<String>[]\n" +
"----------\n" +
"3. ERROR in X.java (at line 10)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=118273 - variation
public void test0961() {
this.runNegativeTest(
new String[] {
"X.java", //================================
"public class X<A> {\n" +
" <B extends Comparable<B>> B newInstance2(X<B> xb) {\n" +
" return null;\n" +
" }\n" +
" void foo() {\n" +
" X x = new X();\n" +
" Comparable c = newInstance2(x);\n" +
" }\n" +
" Zork z;\n" +
"}\n"
},
"----------\n" +
"1. WARNING in X.java (at line 6)\n" +
" X x = new X();\n" +
" ^\n" +
"X is a raw type. References to generic type X<A> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 6)\n" +
" X x = new X();\n" +
" ^\n" +
"X is a raw type. References to generic type X<A> should be parameterized\n" +
"----------\n" +
"3. WARNING in X.java (at line 7)\n" +
" Comparable c = newInstance2(x);\n" +
" ^^^^^^^^^^\n" +
"Comparable is a raw type. References to generic type Comparable<T> should be parameterized\n" +
"----------\n" +
"4. WARNING in X.java (at line 7)\n" +
" Comparable c = newInstance2(x);\n" +
" ^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked invocation newInstance2(X) of the generic method newInstance2(X<B>) of type X<A>\n" +
"----------\n" +
"5. WARNING in X.java (at line 7)\n" +
" Comparable c = newInstance2(x);\n" +
" ^\n" +
(this.complianceLevel < ClassFileConstants.JDK1_8
? "Type safety: The expression of type X needs unchecked conversion to conform to X<Comparable>\n"
: "Type safety: The expression of type X needs unchecked conversion to conform to X<Comparable<Comparable<B>>>\n") +
"----------\n" +
"6. ERROR in X.java (at line 9)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=134645
public void test0962() {
runNegativeTest(
new String[] {
"X.java", //================================
"public class X<T> {\n" +
" public void bug() throws Exception {\n" +
" throw new Exception(\"Bug134645\") {\n" +
" @Override\n" +
" public String toString() {\n" +
" return \"Bug134645\";\n" +
" }\n" +
" };\n" +
" }\n" +
"}\n"
},
// compiler results
"----------\n" + /* expected compiler log */
"1. ERROR in X.java (at line 3)\n" +
" throw new Exception(\"Bug134645\") {\n" +
" ^^^^^^^^^\n" +
"The generic class new Exception(){} may not subclass java.lang.Throwable\n" +
"----------\n" +
"2. WARNING in X.java (at line 3)\n" +
" throw new Exception(\"Bug134645\") {\n" +
" ^^^^^^^^^^^^^^^^^^^^^^\n" +
"The serializable class does not declare a static final serialVersionUID field of type long\n" +
"----------\n",
// javac options
JavacTestOptions.JavacHasABug.JavacBugFixed_6_10 /* javac test options */);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=134645 - variation
public void test0963() {
this.runConformTest(
new String[] {
"X.java", //================================
"public class X {\n" +
" public void bug() throws Exception {\n" +
" throw new Exception(\"Bug134645\") {\n" +
" @Override\n" +
" public String toString() {\n" +
" return \"Bug134645\";\n" +
" }\n" +
" };\n" +
" }\n" +
"}\n"
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=134645 - variation
public void test0964() {
this.runConformTest(
new String[] {
"X.java", //================================
"public class X<T> {\n" +
" public static void bug() throws Exception {\n" +
" throw new Exception(\"Bug134645\") {\n" +
" @Override\n" +
" public String toString() {\n" +
" return \"Bug134645\";\n" +
" }\n" +
" };\n" +
" }\n" +
"}\n"
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=97494
public void test0965() {
this.runNegativeTest(
new String[] {
"X.java", //================================
"public class X<T> {\n" +
" protected static final Class<X<?>> theClass = (Class<X<?>>) X.class;\n" +
" void foo(Class<X> cx) {\n" +
" Class<X<?>> cx1 = cx;\n" +
" Class<X<?>> cx2 = (Class<X<?>>) cx;\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 2)\n" +
" protected static final Class<X<?>> theClass = (Class<X<?>>) X.class;\n" +
" ^^^^^^^^^^^^^^^^^^^^^\n" +
"Cannot cast from Class<X> to Class<X<?>>\n" +
"----------\n" +
"2. WARNING in X.java (at line 3)\n" +
" void foo(Class<X> cx) {\n" +
" ^\n" +
"X is a raw type. References to generic type X<T> should be parameterized\n" +
"----------\n" +
"3. ERROR in X.java (at line 4)\n" +
" Class<X<?>> cx1 = cx;\n" +
" ^^\n" +
"Type mismatch: cannot convert from Class<X> to Class<X<?>>\n" +
"----------\n" +
"4. ERROR in X.java (at line 5)\n" +
" Class<X<?>> cx2 = (Class<X<?>>) cx;\n" +
" ^^^^^^^^^^^^^^^^\n" +
"Cannot cast from Class<X> to Class<X<?>>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=115918
public void test0966() {
this.runConformTest(
new String[] {
"Child.java", //================================
"public class Child extends Parent implements Comparable<Child> {\n" +
" public int compareTo(Child o) { return 0; }\n" +
"}\n" +
"class Parent extends Base<Child> {}\n" +
"class Base<T extends Base> {}\n"
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=81949
public void test0967() {
this.runConformTest(
new String[] {
"CSS.java", //================================
"interface Ac<S extends St<S,A>,A extends Ac<S,A>> {}\n" +
"interface St<S extends St<S,A>,A extends Ac<S,A>> {}\n" +
"class CSN<X, Y> extends CSS<X, Y> implements Ac<CSS<X, Y>, CSN<X, Y>> {}\n" +
"public class CSS<X, Y> implements St<CSS<X, Y>, CSN<X, Y>> {}\n"
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=108045
public void test0968() {
this.runNegativeTest(
new String[] {
"X.java", //================================
"import java.util.*;\n" +
"public class X<T0> extends ArrayList<T0> implements I<T0> {\n" +
"}\n" +
"interface I<T1> extends Collection {\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 2)\n" +
" public class X<T0> extends ArrayList<T0> implements I<T0> {\n" +
" ^\n" +
"The interface Collection cannot be implemented more than once with different arguments: Collection<T0> and Collection\n" +
"----------\n" +
"2. WARNING in X.java (at line 2)\n" +
" public class X<T0> extends ArrayList<T0> implements I<T0> {\n" +
" ^\n" +
"The serializable class X does not declare a static final serialVersionUID field of type long\n" +
"----------\n" +
"3. WARNING in X.java (at line 4)\n" +
" interface I<T1> extends Collection {\n" +
" ^^^^^^^^^^\n" +
"Collection is a raw type. References to generic type Collection<E> should be parameterized\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=133071
public void test0969() {
this.runConformTest(
new String[] {
"B.java", //================================
"class B<T extends C> extends A<T> {}\n" +
"class C extends B<C> {}\n" +
"class A<T extends C> {}"
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=136946
public void test0970() {
this.runNegativeTest(
new String[] {
"X.java", //================================
"public interface X<T> { \n" +
" interface I1<T> extends X<T> {\n" +
" interface I2<T> extends I1<T> {\n" +
" }\n" +
"\n" +
" interface I3<T> extends I1<T> {\n" +
" }\n" +
"\n" +
" interface I4<T> extends I1.I2<T>, I1.I3<T> { \n" +
" }\n" +
" }\n" +
"}\n" +
"class XSub<E> implements X<E> {\n" +
" I1<E> i1 = null;\n" +
" I1.I2<E> i2 = null;\n" +
" I1<E>.I2<E> i1i2 = null;\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 16)\n" +
" I1<E>.I2<E> i1i2 = null;\n" +
" ^^^^^^^^\n" +
"The member type X.I1.I2<T> cannot be qualified with a parameterized type, since it is static. Remove arguments from qualifying type X.I1<E>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=136946 - variation
public void test0971() {
this.runNegativeTest(
new String[] {
"X.java", //================================
"public interface X<T> { \n" +
" interface I1<T> extends X {\n" +
" interface I2<T> extends I1 {\n" +
" }\n" +
"\n" +
" interface I3<T> extends I1 {\n" +
" }\n" +
"\n" +
" interface I4<T> extends I1.I2, I1.I3 { \n" +
" }\n" +
" }\n" +
"}\n" +
"class XSub<E> implements X<E> {\n" +
" I1 i1 = null;\n" +
" I1.I2 i2 = null;\n" +
" I1<E>.I2 i1i2 = null;\n" +
"}\n"
},
"----------\n" +
"1. WARNING in X.java (at line 2)\n" +
" interface I1<T> extends X {\n" +
" ^\n" +
"X is a raw type. References to generic type X<T> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 3)\n" +
" interface I2<T> extends I1 {\n" +
" ^^\n" +
"X.I1 is a raw type. References to generic type X.I1<T> should be parameterized\n" +
"----------\n" +
"3. WARNING in X.java (at line 6)\n" +
" interface I3<T> extends I1 {\n" +
" ^^\n" +
"X.I1 is a raw type. References to generic type X.I1<T> should be parameterized\n" +
"----------\n" +
"4. WARNING in X.java (at line 9)\n" +
" interface I4<T> extends I1.I2, I1.I3 { \n" +
" ^^^^^\n" +
"X.I1.I2 is a raw type. References to generic type X.I1.I2<T> should be parameterized\n" +
"----------\n" +
"5. WARNING in X.java (at line 9)\n" +
" interface I4<T> extends I1.I2, I1.I3 { \n" +
" ^^^^^\n" +
"X.I1.I3 is a raw type. References to generic type X.I1.I3<T> should be parameterized\n" +
"----------\n" +
"6. WARNING in X.java (at line 14)\n" +
" I1 i1 = null;\n" +
" ^^\n" +
"X.I1 is a raw type. References to generic type X.I1<T> should be parameterized\n" +
"----------\n" +
"7. WARNING in X.java (at line 15)\n" +
" I1.I2 i2 = null;\n" +
" ^^^^^\n" +
"X.I1.I2 is a raw type. References to generic type X.I1.I2<T> should be parameterized\n" +
"----------\n" +
"8. ERROR in X.java (at line 16)\n" +
" I1<E>.I2 i1i2 = null;\n" +
" ^^^^^^^^\n" +
"The member type X.I1.I2<T> cannot be qualified with a parameterized type, since it is static. Remove arguments from qualifying type X.I1<E>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=137203
// simulate incremental compile
public void test0972() {
runConformTest(
// test directory preparation
true /* flush output directory */,
new String[] { /* test files */
"Outer.java", //================================
"//Outer.java\n" +
"public class Outer<O> {\n" +
" public class Inner {}\n" +
"\n" +
" public static void method(Outer<?>.Inner x) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" Outer<?>.Inner x = null;\n" +
" method(x);\n" +
" }\n" +
"}\n" +
"\n",
"ExtendedOuter.java", //================================
"public class ExtendedOuter<E> extends Outer<E> {\n" +
" class ExtendedInner extends Inner {\n" +
" {\n" +
" Outer.method(this);\n" +
" }\n" +
" }\n" +
"}\n"
},
// compiler results
"" /* expected compiler log */,
// runtime results
"SUCCESS" /* expected output string */,
"" /* expected error string */,
// javac options
JavacTestOptions.JavacHasABug.JavacBugFixed_6_10 /* javac test options */);
this.runConformTest(
new String[] {
"Outer.java", //================================
"//Outer.java\n" +
"public class Outer<O> {\n" +
" public class Inner {}\n" +
"\n" +
" public static void method(Outer.Inner x) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" Outer.Inner x = null;\n" +
" method(x);\n" +
" }\n" +
"}\n" +
"\n",
},
"SUCCESS",
null,
false,
null);
this.runConformTest(
new String[] {
"ExtendedOuter.java", //================================
"public class ExtendedOuter<E> extends Outer<E> {\n" +
" class ExtendedInner extends Inner {\n" +
" {\n" +
" Outer.method(this);\n" +
" }\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
"}\n"
},
"SUCCESS",
null,
false,
null);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=137203 - variation
//pure source scenario
public void test0973() {
this.runConformTest(
new String[] {
"Outer.java", //================================
"//Outer.java\n" +
"public class Outer<O> {\n" +
" public class Inner {}\n" +
"\n" +
" public static void method(Outer.Inner x) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" Outer.Inner x = null;\n" +
" method(x);\n" +
" }\n" +
"}\n" +
"\n",
"ExtendedOuter.java", //================================
"public class ExtendedOuter<E> extends Outer<E> {\n" +
" class ExtendedInner extends Inner {\n" +
" {\n" +
" Outer.method(this);\n" +
" }\n" +
" }\n" +
"}\n"
},
"SUCCESS");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=137203 - variation
//simulate incremental compile
public void test0974() {
this.runConformTest(
new String[] {
"Outer.java", //================================
"//Outer.java\n" +
"public class Outer<O> {\n" +
" public class Inner {}\n" +
"\n" +
" public static void method(Outer.Inner x) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" Outer.Inner x = null;\n" +
" method(x);\n" +
" }\n" +
"}\n" +
"\n",
"ExtendedOuter.java", //================================
"public class ExtendedOuter<E> extends Outer<E> {\n" +
" class ExtendedInner extends Inner {\n" +
" {\n" +
" Outer.method(this);\n" +
" }\n" +
" }\n" +
"}\n"
},
"SUCCESS");
this.runConformTest(
new String[] {
"ExtendedOuter.java", //================================
"public class ExtendedOuter<E> extends Outer<E> {\n" +
" class ExtendedInner extends Inner {\n" +
" {\n" +
" Outer.Inner in;\n" +
" Outer.method(this);\n" +
" }\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
"}\n"
},
"SUCCESS",
null,
false,
null);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=122999
public void test0975() {
this.runNegativeTest(
new String[] {
"X.java", //================================
"import java.util.ArrayList;\n" +
"\n" +
"public class X extends ArrayList<Bean> {\n" +
" public static class Bean {}\n" +
"}", // =================
},
"----------\n" +
"1. WARNING in X.java (at line 3)\n" +
" public class X extends ArrayList<Bean> {\n" +
" ^\n" +
"The serializable class X does not declare a static final serialVersionUID field of type long\n" +
"----------\n" +
"2. ERROR in X.java (at line 3)\n" +
" public class X extends ArrayList<Bean> {\n" +
" ^^^^\n" +
"Bean cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=139525
public void test0976() {
this.runConformTest(
new String[] {
"S.java", // =================
"import java.util.Collection;\n" +
"public class S {\n" +
" public static void cow(IDA<?, ?, ?, ?, ?, ?> s) {\n" +
" Collection<IDA.Enum1> ids = s.getIds(); // Error here\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
"}\n", // =================
"ID.java", // =================
"import java.util.Collection;\n" +
"public interface ID {\n" +
" Collection<? extends Comparable<?>> getIds();\n" +
"}\n", // =================
"IDA.java", // =================
"import java.util.Collection;\n" +
"public interface IDA<T1, C1, E1, E2, C2, T2> extends ID {\n" +
" enum Enum1 {\n" +
" ONE, TWO\n" +
" }\n" +
" Collection<IDA.Enum1> getIds();\n" +
"}\n", // =================
},
"SUCCESS");
this.runConformTest(
new String[] {
"S.java", // =================
"import java.util.Collection;\n" +
"public class S {\n" +
" public static void cow(IDA<?, ?, ?, ?, ?, ?> s) {\n" +
" Collection<IDA.Enum1> ids = s.getIds(); // Error here\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" System.out.println(\"SUCCESS2\");\n" +
" }\n" +
"}\n", // =================
},
"SUCCESS2",
null,
false,
null);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=139619
public void test0977() {
this.runConformTest(
new String[] {
"MMTPProtocol.java", // =================
"import java.io.InputStream;\n" +
"import java.util.HashSet;\n" +
"import bug.ProtocolManager;\n" +
"abstract class AbstractProtocol<R, O> implements ProtocolManager<R, O> {\n" +
" public AbstractProtocol(HashSet<O> manager, String grp) {}\n" +
" AbstractProtocol(){} \n" +
" public void connect(ConnectType type) { }\n" +
"}\n" +
"public abstract class MMTPProtocol extends AbstractProtocol<InputStream, String> {\n" +
" public void connect(ConnectType type) {}\n" +
"}\n", // =================
"bug/ProtocolManager.java", // =================
"package bug;\n" +
"public interface ProtocolManager<R, O>{\n" +
" public enum ConnectType {Client,Server}\n" +
" public void connect(ConnectType type) ;\n" +
" public boolean receive(R input) throws Exception;\n" +
"}", // =================
},
"");
this.runConformTest(
new String[] {
"MMTPProtocol.java", // =================
"import java.io.InputStream;\n" +
"import java.util.HashSet;\n" +
"import bug.ProtocolManager;\n" +
"abstract class AbstractProtocol<R, O> implements ProtocolManager<R, O> {\n" +
" public AbstractProtocol(HashSet<O> manager, String grp) {}\n" +
" AbstractProtocol(){} \n" +
" public void connect(ConnectType type) { }\n" +
"}\n" +
"public abstract class MMTPProtocol extends AbstractProtocol<InputStream, String> {\n" +
" public void connect(ConnectType type) {}\n" +
"}\n", // =================
},
"",
null,
false,
null);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=139669
public void test0978() {
this.runConformTest(
new String[] {
"B.java", // =================
"public class B<T> implements A<T> {\n" +
" public void foo(A.C c) {}\n" +
"}", // =================
"A.java", // =================
"public interface A<T> {\n" +
" void foo(A.C c);\n" +
" class C {}\n" +
"}", // =================
},
"");
this.runConformTest(
new String[] {
"A.java", // =================
"public interface A<T> {\n" +
" void foo(A.C c);\n" +
" class C {}\n" +
"}", // =================
},
"",
null,
false,
null);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=139669
public void test0979() {
this.runConformTest(
new String[] {
"B.java", // =================
"public class B<T> extends A<T> {\n" +
" @Override\n" +
" public void foo(A.C c) {}\n" +
"}", // =================
"A.java", // =================
"public class A<T> {\n" +
" public void foo(A.C c) {}\n" +
" public static class C {}\n" +
"}", // =================
},
"");
this.runConformTest(
new String[] {
"A.java", // =================
"public class A<T> {\n" +
" public void foo(A.C c) {}\n" +
" public static class C {}\n" +
"}", // =================
},
"",
null,
false,
null);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=140772
public void test0980() {
this.runConformTest(
new String[] {
"X.java", // =================
"import java.util.Collections;\n" +
"import java.util.Set;\n" +
"\n" +
"public class X {\n" +
" public Set<Object> keySet() {\n" +
" return Collections.<Object> emptySet();\n" +
" }\n" +
"}", // =================
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=140569
//simulate incremental compile
public void test0981() {
this.runConformTest(
new String[] {
"Outer.java", //================================
"//Outer.java\n" +
"public class Outer<O> {\n" +
" public class Inner {}\n" +
"\n" +
" public static void main(String[] args) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
"}\n" +
"\n",
"ExtendedOuter.java", //================================
"public class ExtendedOuter<E> extends Outer<E> {\n" +
" class ExtendedInner extends Inner {\n" +
" public void method(){\n" +
" Worker.method(this);\n" +
" }\n" +
" }\n" +
"}\n",
"Worker.java", //================================
"public class Worker {\n" +
" public static void method(Outer.Inner i) {}\n" +
"}\n", //================================
},
"SUCCESS");
this.runConformTest(
new String[] {
"ExtendedOuter.java", //================================
"public class ExtendedOuter<E> extends Outer<E> {\n" +
" class ExtendedInner extends Inner {\n" +
" public void method(){\n" +
" Worker.method(this);\n" +
" }\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
"}\n", //================================
},
"SUCCESS",
null,
false,
null);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=140569
//simulate incremental compile
public void test0982() {
this.runConformTest(
new String[] {
"Outer.java", //================================
"//Outer.java\n" +
"public class Outer<O> {\n" +
" public class Inner {\n" +
" public class Inner2 {}\n" +
" }\n" +
"\n" +
" public static void main(String[] args) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
"}\n" +
"\n",
"ExtendedOuter.java", //================================
"public class ExtendedOuter<E> extends Outer<E> {\n" +
" class ExtendedInner extends Inner {\n" +
" class ExtendedInner2 extends Inner2 {\n" +
" public void method(){\n" +
" Worker.method(this);\n" +
" }\n" +
" }\n" +
" }\n" +
"}\n",
"Worker.java", //================================
"public class Worker {\n" +
" public static void method(Outer.Inner.Inner2 i) {}\n" +
"}\n", //================================
},
"SUCCESS");
this.runConformTest(
new String[] {
"ExtendedOuter.java", //================================
"public class ExtendedOuter<E> extends Outer<E> {\n" +
" class ExtendedInner extends Inner {\n" +
" class ExtendedInner2 extends Inner2 {\n" +
" public void method(){\n" +
" Worker.method(this);\n" +
" }\n" +
" }\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
"}\n", //================================
},
"SUCCESS",
null,
false,
null);
}
public void test0983() {
this.runNegativeTest(
new String[] {
"X.java", // =================
"import java.util.*;\n" +
"\n" +
"public class X {\n" +
" public static void main(String[] args) throws Throwable {\n" +
" List<?> l1 = new ArrayList<Integer>();\n" +
" List<?> l2 = new ArrayList<Integer>();\n" +
" l1.addAll(l2);\n" +
" }\n" +
"}\n", // =================
},
"----------\n" +
"1. ERROR in X.java (at line 7)\n" +
" l1.addAll(l2);\n" +
" ^^^^^^\n" +
"The method addAll(Collection<? extends capture#1-of ?>) in the type List<capture#1-of ?> is not applicable for the arguments (List<capture#2-of ?>)\n" +
"----------\n");
}
// generic inner class within a non generic one
public void test0984() {
runConformTest(
// test directory preparation
new String[] { /* test files */
"X.java",
"public class X {\n" +
" public class XX<T> {}\n" +
"}",
"I.java",
"public interface I {\n" +
" X.XX<String> foo();\n" +
"}",
"Y.java",
"public class Y extends X implements I {\n" +
" public XX<String> foo() {\n" +
" return null;\n" +
" }\n" +
"}",
},
// runtime results
"" /* expected output string */);
runConformTest(
// test directory preparation
false /* do not flush output directory */,
new String[] { /* test files */
"Y.java",
"public class Y extends X implements I {\n" +
" public XX<String> foo() {\n" +
" return null;\n" +
" }\n" +
"}",
},
// compiler results
"" /* expected compiler log */,
// runtime results
"" /* expected output string */,
"" /* expected error string */,
// javac options
JavacTestOptions.JavacHasABug.JavacBugFixed_6_10 /* javac test options */);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=141330
public void test0985() {
Map options = getCompilerOptions();
options.put(JavaCore.COMPILER_PB_UNCHECKED_TYPE_OPERATION, JavaCore.IGNORE);
this.runNegativeTest(
new String[] {
"X.java", // =================
"import java.util.*;\n" +
"public class X {\n" +
" public void testBreak() {\n" +
" List<Class<Object>> lco = Arrays.asList(String.class, Integer.class, Long.class);\n" +
" }\n" +
"}\n", // =================
},
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" List<Class<Object>> lco = Arrays.asList(String.class, Integer.class, Long.class);\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from List<Class<? extends Object&Serializable&Comparable<?>>> to List<Class<Object>>\n" +
"----------\n",
null,
true,
options);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=91709
public void test0986() {
this.runConformTest(
new String[] {
"T.java", // =================
"public class T {\n" +
" public T() {\n" +
" S<String> s = new S<String>();\n" +
" s.setObj(\"S\");\n" +
" System.out.print(s.getObj());\n" +
" S<Integer> i = new S<Integer>();\n" +
" i.setObj(new Integer(100));\n" +
" System.out.print(i.getObj());\n" +
" S<MyClass> m = new S<MyClass>();\n" +
" m.setObj(new MyClass(\"[Terry]\"));\n" +
" System.out.print(m.getObj());\n" +
" S<MyClass> x = new S<MyClass>(new MyClass(\"[Corbet]\"));\n" +
" System.out.print(x.getObj());\n" +
" } // End of Constructor for T.\n" +
" public static void main(String[] args) {\n" +
" try {\n" +
" new T();\n" +
" System.out.println(\"SUCCESS\");\n" +
" } catch (Exception ex) {\n" +
" ex.printStackTrace();\n" +
" }\n" +
" } // End of main().\n" +
"\n" +
" class MyClass {\n" +
" private String str;\n" +
" public MyClass(String str) {\n" +
" this.str = str;\n" +
" } // End of Constructor for MyClass.\n" +
" @Override\n" +
" public String toString() {\n" +
" return (\"MyClass = \" + str);\n" +
" } // End of toString().\n" +
" } // End of Embedded MyClass Class.\n" +
"} // End of T Class.\n", // =================
"S.java", // =================
"public class S<$T> extends B<$T> {\n" +
" public S() {\n" +
" super();\n" +
" } // End of Constructor for S.\n" +
" public S($T obj) {\n" +
" super(obj);\n" +
" } // End of Constructor for S.\n" +
"} // End of S Class.\n", // =================
"B.java", // =================
"public abstract class B<$T> {\n" +
" $T obj;\n" +
" public B() {\n" +
" ;\n" +
" } // End of Constructor for B.\n" +
" public B($T obj) {\n" +
" this.obj = obj;\n" +
" } // End ofg Constructor of B.\n" +
" public $T getObj() {\n" +
" return (obj);\n" +
" } // End of getObj().\n" +
" public void setObj($T obj) {\n" +
" this.obj = obj;\n" +
" } // End of setObj().\n" +
"} // End of B Class.", // =================
},
"S100MyClass = [Terry]MyClass = [Corbet]SUCCESS");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=140643
public void test0987() {
String expectedOutput = new CompilerOptions(getCompilerOptions()).sourceLevel < ClassFileConstants.JDK1_6
? "----------\n" +
"1. ERROR in X.java (at line 7)\n" +
" abstract class GLinkElementView<M,CM> extends AbstractLinkView<M> {}\n" +
" ^^^^^^^^^^^^^^^^\n" +
"The return types are incompatible for the inherited methods EditPart.getViewer(), AbstractLinkView<M>.getViewer()\n" +
"----------\n" +
"2. ERROR in X.java (at line 11)\n" +
" public ISheetViewer getViewer() { return null; } \n" +
" ^^^^^^^^^^^^\n" +
"The return type is incompatible with EditPart.getViewer()\n" +
"----------\n" +
"3. ERROR in X.java (at line 11)\n" +
" public ISheetViewer getViewer() { return null; } \n" +
" ^^^^^^^^^^^\n" +
"The method getViewer() of type AbstractLinkView<M> must override a superclass method\n" +
"----------\n"
: "----------\n" +
"1. ERROR in X.java (at line 7)\n" +
" abstract class GLinkElementView<M,CM> extends AbstractLinkView<M> {}\n" +
" ^^^^^^^^^^^^^^^^\n" +
"The return types are incompatible for the inherited methods EditPart.getViewer(), AbstractLinkView<M>.getViewer()\n" +
"----------\n" +
"2. ERROR in X.java (at line 11)\n" +
" public ISheetViewer getViewer() { return null; } \n" +
" ^^^^^^^^^^^^\n" +
"The return type is incompatible with EditPart.getViewer()\n" +
"----------\n";
this.runNegativeTest(
new String[] {
"X.java",//===================
"public class X {\n" +
" void bar(GLinkElementView<?,?> g) {\n" +
" g.getViewer();\n" +
" }\n" +
"}\n" +
"\n" +
"abstract class GLinkElementView<M,CM> extends AbstractLinkView<M> {}\n" +
"\n" +
"abstract class AbstractLinkView<M> extends AbstractConnectionEditPart implements ILinkViewElement {\n" +
" @Override\n" +
" public ISheetViewer getViewer() { return null; } \n" +
"}\n" +
"\n" +
"abstract class AbstractConnectionEditPart implements EditPart {}\n" +
"\n" +
"abstract class AbstractEditPart implements EditPart {\n" +
" public EditPartViewer getViewer() { return null; }\n" +
"}\n" +
"\n" +
"interface ILinkViewElement {\n" +
" public ISheetViewer getViewer();\n" +
"}\n" +
"\n" +
"interface ISheetViewer {}\n" +
"\n" +
"interface EditPart {\n" +
" EditPartViewer getViewer();\n" +
"}\n" +
"\n" +
"interface EditPartViewer {}\n", // =================
},
expectedOutput);
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=140643 - variation
public void test0988() {
this.runNegativeTest(
new String[] {
"X.java",//===================
"public class X {\n" +
" void bar(GLinkElementView<?,?> g) {\n" +
" g.getViewer();\n" +
" }\n" +
"}\n" +
"\n" +
"abstract class GLinkElementView<M,CM> extends AbstractLinkView<M> {}\n" +
"\n" +
"abstract class AbstractLinkView<M> extends AbstractConnectionEditPart implements ILinkViewElement, IModelChangeListener {\n" +
" @Override\n" +
" public SheetViewer getViewer() { return null; } \n" +
"}\n" +
"\n" +
"abstract class AbstractConnectionEditPart extends AbstractGraphicalEditPart implements ConnectionEditPart {}\n" +
"\n" +
"abstract class AbstractGraphicalEditPart extends AbstractEditPart implements GraphicalEditPart {}\n" +
"\n" +
"abstract class AbstractEditPart implements EditPart {\n" +
" public EditPartViewer getViewer() { return null; }\n" +
"}\n" +
"\n" +
"interface ILinkViewElement extends INodeViewElement {\n" +
" public ISheetViewer getViewer();\n" +
"}\n" +
"\n" +
"class SheetViewer implements ISheetViewer {}\n" +
"\n" +
"interface ISheetViewer {}\n" +
"\n" +
"interface EditPart {\n" +
" EditPartViewer getViewer();\n" +
"}\n" +
"\n" +
"interface ConnectionEditPart extends GraphicalEditPart {}\n" +
"interface GraphicalEditPart extends EditPart {}\n" +
"interface EditPartViewer {}\n" +
"interface IModelChangeListener {}\n" +
"\n" +
"interface INodeViewElement {\n" +
" public ISheetViewer getViewer();\n" +
"}", // =================
},
"----------\n" +
"1. ERROR in X.java (at line 7)\n" +
" abstract class GLinkElementView<M,CM> extends AbstractLinkView<M> {}\n" +
" ^^^^^^^^^^^^^^^^\n" +
"The return types are incompatible for the inherited methods EditPart.getViewer(), AbstractLinkView<M>.getViewer()\n" +
"----------\n" +
"2. ERROR in X.java (at line 11)\n" +
" public SheetViewer getViewer() { return null; } \n" +
" ^^^^^^^^^^^\n" +
"The return type is incompatible with AbstractEditPart.getViewer()\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=142653
public void test0989() {
this.runNegativeTest(
new String[] {
"Child.java",//===================
"public class Child extends Parent<Object> {}\n" +
"abstract class Parent<T> extends Grandparent<T> implements IParent {}\n" +
"interface IParent<T> extends IGrandparent<T> {}\n" +
"abstract class Grandparent<T> implements IGrandparent<T> {}\n" +
"interface IGrandparent<T> {}", // =================, // =================
},
"----------\n" +
"1. ERROR in Child.java (at line 2)\n" +
" abstract class Parent<T> extends Grandparent<T> implements IParent {}\n" +
" ^^^^^^\n" +
"The interface IGrandparent cannot be implemented more than once with different arguments: IGrandparent<T> and IGrandparent\n" +
"----------\n" +
"2. WARNING in Child.java (at line 2)\n" +
" abstract class Parent<T> extends Grandparent<T> implements IParent {}\n" +
" ^^^^^^^\n" +
"IParent is a raw type. References to generic type IParent<T> should be parameterized\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=142653 - variation
public void test0990() {
this.runNegativeTest(
new String[] {
"Child.java",//===================
"public class Child extends Parent<Object> {}\n" +
"abstract class Parent<T> extends Grandparent<T> implements IParent<?> {}\n" +
"interface IParent<T> extends IGrandparent<T> {}\n" +
"abstract class Grandparent<T> implements IGrandparent<T> {}\n" +
"interface IGrandparent<T> {}", // =================, // =================
},
"----------\n" +
"1. ERROR in Child.java (at line 1)\n" +
" public class Child extends Parent<Object> {}\n" +
" ^^^^^\n" +
"The hierarchy of the type Child is inconsistent\n" +
"----------\n" +
"2. ERROR in Child.java (at line 2)\n" +
" abstract class Parent<T> extends Grandparent<T> implements IParent<?> {}\n" +
" ^^^^^^^\n" +
"The type Parent cannot extend or implement IParent<?>. A supertype may not specify any wildcard\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=142653 - variation
public void test0991() {
this.runNegativeTest(
new String[] {
"X.java",//===================
"public class X extends SX<String> implements IX<Object> {}\n" +
"class SX<T> extends TX<Thread> implements IX<T> {}\n" +
"class TX<U> implements IX<U> {}\n" +
"interface IX<V> {}\n", // =================, // =================
},
"----------\n" +
"1. ERROR in X.java (at line 1)\n" +
" public class X extends SX<String> implements IX<Object> {}\n" +
" ^\n" +
"The interface IX cannot be implemented more than once with different arguments: IX<Thread> and IX<Object>\n" +
"----------\n" +
"2. ERROR in X.java (at line 2)\n" +
" class SX<T> extends TX<Thread> implements IX<T> {}\n" +
" ^^\n" +
"The interface IX cannot be implemented more than once with different arguments: IX<Thread> and IX<T>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=142653 - variation
public void test0992() {
this.runNegativeTest(
new String[] {
"X.java",//===================
"import java.util.*;\n" +
"public abstract class X<T0> implements Collection, I<T0> {\n" +
" \n" +
" void foo() {\n" +
" this.add(new Object());\n" +
" this.add(null);\n" +
" }\n" +
"}\n" +
"interface I<T1> extends Collection<String> {\n" +
"}\n", // =================, // =================
},
"----------\n" +
"1. ERROR in X.java (at line 2)\n" +
" public abstract class X<T0> implements Collection, I<T0> {\n" +
" ^\n" +
"The interface Collection cannot be implemented more than once with different arguments: Collection<String> and Collection\n" +
"----------\n" +
"2. WARNING in X.java (at line 2)\n" +
" public abstract class X<T0> implements Collection, I<T0> {\n" +
" ^^^^^^^^^^\n" +
"Collection is a raw type. References to generic type Collection<E> should be parameterized\n" +
"----------\n" +
"3. WARNING in X.java (at line 5)\n" +
" this.add(new Object());\n" +
" ^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: The method add(Object) belongs to the raw type Collection. References to generic type Collection<E> should be parameterized\n" +
"----------\n" +
"4. WARNING in X.java (at line 6)\n" +
" this.add(null);\n" +
" ^^^^^^^^^^^^^^\n" +
"Type safety: The method add(Object) belongs to the raw type Collection. References to generic type Collection<E> should be parameterized\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=142897
public void test0993() {
runConformTest(
true,
new String[] {
"X.java",//===================
"public class X {\n" +
" public class Inner {\n" +
" Inner() {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" new ATest<X>();\n" +
" }\n" +
"}\n" +
"\n" +
"class ATest<T extends X> {\n" +
" public ATest() {\n" +
" T instance = makeInstance();\n" +
" X.Inner peq = instance.new Inner(); //**\n" +
" }\n" +
"\n" +
" private T makeInstance() {\n" +
" return (T) new X();\n" +
" }\n" +
"}", // =================
},
null,
"SUCCESS",
null,
JavacTestOptions.JavacHasABug.JavacBug6569404);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=142897 - variation
public void test0994() {
this.runConformTest(
new String[] {
"X.java",//===================
"public class X {\n" +
" public class Inner {\n" +
" Inner() {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
" }\n" +
" void foo(boolean b, X1 x1, X2 x2) {\n" +
" (b ? x1 : x2).new Inner();\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" new X().foo(true, new X1(), new X2());\n" +
" }\n" +
"}\n" +
"\n" +
"class X1 extends X implements Comparable<X1> {\n" +
" public int compareTo(X1 other) {\n" +
" return 0;\n" +
" }\n" +
"}\n" +
"class X2 extends X implements Comparable<X2> {\n" +
" public int compareTo(X2 other) {\n" +
" return 0;\n" +
" }\n" +
"}\n", // =================
},
"SUCCESS");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=142964
public void _test0995() {
this.runNegativeTest(
new String[] {
"X.java",//===================
"public class X {\n" +
" public class Inner {\n" +
" }\n" +
" void foo(boolean b, X1 x1, X2 x2) {\n" +
" Comparable<? extends X> cx1 = b ? x1 : x2;\n" +
" Comparable<X> cx2 = b ? x1 : x2;\n" +
" String s = b ? x1 : x2;\n" +
" }\n" +
"}\n" +
"\n" +
"abstract class X1 extends X implements Comparable<X1> {}\n" +
"abstract class X2 extends X implements Comparable<X2> {}", // =================
},
"SUCCESS");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=143793
public void test0996() {
this.runNegativeTest(
new String[] {
"X.java",//===================
"import java.util.ArrayList;\n" +
"import java.util.List;\n" +
"\n" +
"public class X<T> {\n" +
" private T aObject = null;\n" +
" public static <U> List<U> castList(final List<? extends Object> pList, final Class<U> pClass) {\n" +
" final List<U> result = new ArrayList<U>();\n" +
" for (Object o:pList) {\n" +
" if (pClass.isInstance(o)) {\n" +
" result.add(pClass.cast(o));\n" +
" }\n" +
" }\n" +
" return result;\n" +
" }\n" +
"\n" +
" public static void main(final String[] pArgs) {\n" +
" final List<Object> l1 = new ArrayList<Object>();\n" +
" l1.add(new X<String>());\n" +
" l1.add(new X<String>());\n" +
" final List<X<?>> l2 = castList(l1, List.class);\n" +
" \n" +
" List<X> l3 = l2;\n" +
" List<X<String>> l4 = null;\n" +
" l3 = l4;\n" +
" }\n" +
"\n" +
"}\n", // =================
},
"----------\n" +
"1. ERROR in X.java (at line 20)\n" +
" final List<X<?>> l2 = castList(l1, List.class);\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from List<List> to List<X<?>>\n" +
"----------\n" +
"2. WARNING in X.java (at line 22)\n" +
" List<X> l3 = l2;\n" +
" ^\n" +
"X is a raw type. References to generic type X<T> should be parameterized\n" +
"----------\n" +
"3. ERROR in X.java (at line 22)\n" +
" List<X> l3 = l2;\n" +
" ^^\n" +
"Type mismatch: cannot convert from List<X<?>> to List<X>\n" +
"----------\n" +
"4. ERROR in X.java (at line 24)\n" +
" l3 = l4;\n" +
" ^^\n" +
"Type mismatch: cannot convert from List<X<String>> to List<X>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=142897 - variation
public void test0997() {
runConformTest(
true,
new String[] {
"X.java",//===================
"public class X implements Outer {\n" +
" public static void main(String[] args) {\n" +
" new ATest<X>();\n" +
" }\n" +
"}\n" +
"interface Outer {\n" +
" public class Inner {\n" +
" Inner() {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
" }\n" +
"}\n" +
"\n" +
"class ATest<T extends Outer> {\n" +
" public ATest() {\n" +
" Outer.Inner peq = new T.Inner(); //**\n" +
" }\n" +
"\n" +
" private T makeInstance() {\n" +
" return (T) new X();\n" +
" }\n" +
"}", // =================
},
null,
"SUCCESS",
null,
JavacTestOptions.JavacHasABug.JavacBug6569404);
}
//regression test for https://bugs.eclipse.org/bugs/show_bug.cgi?id=144261
public void test0998() {
this.runConformTest(
new String[] {
"X.java",
"class X {\n" +
" static abstract class Generic<F> {\n" +
" static class Inner {\n" +
" static class InnerInner { }\n" +
" InnerInner createTableModel() {\n" +
" return new InnerInner();\n" +
" }\n" +
" }\n" +
" }\n" +
" static class SubGeneric<S> extends Generic<S> {\n" +
" static class SubInner extends Inner {\n" +
" InnerInner createTableModel() {\n" +
" return super.createTableModel(); \n" +
" }\n" +
" }\n" +
" }\n" +
"}",
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=144879
// SHOULD FAIL AT 1.8 (18.2.3): The method chain(Iterator<E>...) in the type X is not applicable for the arguments (Iterator[])
public void test0999() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"public class X {\n" +
" public static final <T,E extends T> Iterator<T> chain(Iterator<E>... it) {\n" +
" return null;\n" +
" }\n" +
" void foo1() {\n" +
" List<Integer> l1 = Arrays.asList(1, 2, 3);\n" +
" List<Float> l2 = Arrays.asList(4f, 5f, 6f);\n" +
" Iterator<Number> it1 = X.chain(new Iterator[] { l1.iterator(), l2.iterator() });\n" +
" }\n" +
" void foo2() {\n" +
" List<Integer> l1 = Arrays.asList(1, 2, 3);\n" +
" List<Float> l2 = Arrays.asList(4f, 5f, 6f);\n" +
" Iterator<Number> it2 = X.chain(l1.iterator(), l2.iterator());\n" +
" }\n" +
" void foo3() {\n" +
" List<Integer> l1 = Arrays.asList(1, 2, 3);\n" +
" Iterator<Number> it2 = X.chain(l1.iterator(), l1.iterator());\n" +
" }\n" +
"}", // =================
},
this.complianceLevel < ClassFileConstants.JDK1_7 ?
"----------\n" +
"1. WARNING in X.java (at line 9)\n" +
" Iterator<Number> it1 = X.chain(new Iterator[] { l1.iterator(), l2.iterator() });\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked invocation chain(Iterator[]) of the generic method chain(Iterator<E>...) of type X\n" +
"----------\n" +
"2. WARNING in X.java (at line 9)\n" +
" Iterator<Number> it1 = X.chain(new Iterator[] { l1.iterator(), l2.iterator() });\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: The expression of type Iterator needs unchecked conversion to conform to Iterator<Number>\n" +
"----------\n" +
"3. WARNING in X.java (at line 9)\n" +
" Iterator<Number> it1 = X.chain(new Iterator[] { l1.iterator(), l2.iterator() });\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: The expression of type Iterator[] needs unchecked conversion to conform to Iterator<Number>[]\n" +
"----------\n" +
"4. ERROR in X.java (at line 14)\n" +
" Iterator<Number> it2 = X.chain(l1.iterator(), l2.iterator());\n" +
" ^^^^^\n" +
"The method chain(Iterator<E>...) in the type X is not applicable for the arguments (Iterator<Integer>, Iterator<Float>)\n" +
"----------\n" +
"5. WARNING in X.java (at line 18)\n" +
" Iterator<Number> it2 = X.chain(l1.iterator(), l1.iterator());\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: A generic array of Iterator<Integer> is created for a varargs parameter\n" +
"----------\n" :
"----------\n" +
"1. WARNING in X.java (at line 3)\n" +
" public static final <T,E extends T> Iterator<T> chain(Iterator<E>... it) {\n" +
" ^^\n" +
"Type safety: Potential heap pollution via varargs parameter it\n" +
"----------\n" +
"2. WARNING in X.java (at line 9)\n" +
" Iterator<Number> it1 = X.chain(new Iterator[] { l1.iterator(), l2.iterator() });\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked invocation chain(Iterator[]) of the generic method chain(Iterator<E>...) of type X\n" +
"----------\n" +
"3. WARNING in X.java (at line 9)\n" +
" Iterator<Number> it1 = X.chain(new Iterator[] { l1.iterator(), l2.iterator() });\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: The expression of type Iterator needs unchecked conversion to conform to Iterator<Number>\n" +
"----------\n" +
"4. WARNING in X.java (at line 9)\n" +
" Iterator<Number> it1 = X.chain(new Iterator[] { l1.iterator(), l2.iterator() });\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
(this.complianceLevel < ClassFileConstants.JDK1_8
? "Type safety: The expression of type Iterator[] needs unchecked conversion to conform to Iterator<Number>[]\n"
: "Type safety: The expression of type Iterator[] needs unchecked conversion to conform to Iterator<Object>[]\n") +
"----------\n" +
"5. ERROR in X.java (at line 14)\n" +
" Iterator<Number> it2 = X.chain(l1.iterator(), l2.iterator());\n" +
" ^^^^^\n" +
"The method chain(Iterator<E>...) in the type X is not applicable for the arguments (Iterator<Integer>, Iterator<Float>)\n" +
"----------\n" +
"6. WARNING in X.java (at line 18)\n" +
" Iterator<Number> it2 = X.chain(l1.iterator(), l1.iterator());\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: A generic array of Iterator<Integer> is created for a varargs parameter\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=144879
public void test1000() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"public class X {\n" +
" public static final <T> Iterator<T> chain(Iterator<? extends T>... it) {\n" +
" return null;\n" +
" }\n" +
" void foo1() {\n" +
" List<Integer> l1 = Arrays.asList(1, 2, 3);\n" +
" List<Float> l2 = Arrays.asList(4f, 5f, 6f);\n" +
" Iterator<Number> it1 = X.chain(new Iterator[] { l1.iterator(), l2.iterator() });\n" +
" }\n" +
" void foo2() {\n" +
" List<Integer> l1 = Arrays.asList(1, 2, 3);\n" +
" List<Float> l2 = Arrays.asList(4f, 5f, 6f);\n" +
" Iterator<Number> it2 = X.chain(l1.iterator(), l2.iterator());\n" +
" }\n" +
" void foo3() {\n" +
" List<Integer> l1 = Arrays.asList(1, 2, 3);\n" +
" Iterator<Number> it2 = X.chain(l1.iterator(), l1.iterator());\n" +
" }\n" +
"}", // =================
},
this.complianceLevel < ClassFileConstants.JDK1_7 ?
"----------\n" +
"1. WARNING in X.java (at line 9)\n" +
" Iterator<Number> it1 = X.chain(new Iterator[] { l1.iterator(), l2.iterator() });\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked invocation chain(Iterator[]) of the generic method chain(Iterator<? extends T>...) of type X\n" +
"----------\n" +
"2. WARNING in X.java (at line 9)\n" +
" Iterator<Number> it1 = X.chain(new Iterator[] { l1.iterator(), l2.iterator() });\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: The expression of type Iterator needs unchecked conversion to conform to Iterator<Number>\n" +
"----------\n" +
"3. WARNING in X.java (at line 9)\n" +
" Iterator<Number> it1 = X.chain(new Iterator[] { l1.iterator(), l2.iterator() });\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: The expression of type Iterator[] needs unchecked conversion to conform to Iterator<? extends Number>[]\n" +
"----------\n" +
"4. WARNING in X.java (at line 14)\n" +
" Iterator<Number> it2 = X.chain(l1.iterator(), l2.iterator());\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: A generic array of Iterator<? extends Number&Comparable<?>> is created for a varargs parameter\n" +
"----------\n" +
"5. ERROR in X.java (at line 14)\n" +
" Iterator<Number> it2 = X.chain(l1.iterator(), l2.iterator());\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Iterator<Number&Comparable<?>> to Iterator<Number>\n" +
"----------\n" +
"6. WARNING in X.java (at line 18)\n" +
" Iterator<Number> it2 = X.chain(l1.iterator(), l1.iterator());\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: A generic array of Iterator<? extends Integer> is created for a varargs parameter\n" +
"----------\n" +
"7. ERROR in X.java (at line 18)\n" +
" Iterator<Number> it2 = X.chain(l1.iterator(), l1.iterator());\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Iterator<Integer> to Iterator<Number>\n" +
"----------\n" :
(this.complianceLevel == ClassFileConstants.JDK1_7 ?
"----------\n" +
"1. WARNING in X.java (at line 3)\n" +
" public static final <T> Iterator<T> chain(Iterator<? extends T>... it) {\n" +
" ^^\n" +
"Type safety: Potential heap pollution via varargs parameter it\n" +
"----------\n" +
"2. WARNING in X.java (at line 9)\n" +
" Iterator<Number> it1 = X.chain(new Iterator[] { l1.iterator(), l2.iterator() });\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked invocation chain(Iterator[]) of the generic method chain(Iterator<? extends T>...) of type X\n" +
"----------\n" +
"3. WARNING in X.java (at line 9)\n" +
" Iterator<Number> it1 = X.chain(new Iterator[] { l1.iterator(), l2.iterator() });\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: The expression of type Iterator needs unchecked conversion to conform to Iterator<Number>\n" +
"----------\n" +
"4. WARNING in X.java (at line 9)\n" +
" Iterator<Number> it1 = X.chain(new Iterator[] { l1.iterator(), l2.iterator() });\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: The expression of type Iterator[] needs unchecked conversion to conform to Iterator<? extends Number>[]\n" +
"----------\n" +
"5. WARNING in X.java (at line 14)\n" +
" Iterator<Number> it2 = X.chain(l1.iterator(), l2.iterator());\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: A generic array of Iterator<? extends Number&Comparable<?>> is created for a varargs parameter\n" +
"----------\n" +
"6. ERROR in X.java (at line 14)\n" +
" Iterator<Number> it2 = X.chain(l1.iterator(), l2.iterator());\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Iterator<Number&Comparable<?>> to Iterator<Number>\n" +
"----------\n" +
"7. WARNING in X.java (at line 18)\n" +
" Iterator<Number> it2 = X.chain(l1.iterator(), l1.iterator());\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: A generic array of Iterator<? extends Integer> is created for a varargs parameter\n" +
"----------\n" +
"8. ERROR in X.java (at line 18)\n" +
" Iterator<Number> it2 = X.chain(l1.iterator(), l1.iterator());\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Iterator<Integer> to Iterator<Number>\n" +
"----------\n"
: // no more errors in JDK1_8+
"----------\n" +
"1. WARNING in X.java (at line 3)\n" +
" public static final <T> Iterator<T> chain(Iterator<? extends T>... it) {\n" +
" ^^\n" +
"Type safety: Potential heap pollution via varargs parameter it\n" +
"----------\n" +
"2. WARNING in X.java (at line 9)\n" +
" Iterator<Number> it1 = X.chain(new Iterator[] { l1.iterator(), l2.iterator() });\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked invocation chain(Iterator[]) of the generic method chain(Iterator<? extends T>...) of type X\n" +
"----------\n" +
"3. WARNING in X.java (at line 9)\n" +
" Iterator<Number> it1 = X.chain(new Iterator[] { l1.iterator(), l2.iterator() });\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: The expression of type Iterator needs unchecked conversion to conform to Iterator<Number>\n" +
"----------\n" +
"4. WARNING in X.java (at line 9)\n" +
" Iterator<Number> it1 = X.chain(new Iterator[] { l1.iterator(), l2.iterator() });\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: The expression of type Iterator[] needs unchecked conversion to conform to Iterator<? extends Object>[]\n" +
"----------\n" +
"5. WARNING in X.java (at line 14)\n" +
" Iterator<Number> it2 = X.chain(l1.iterator(), l2.iterator());\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: A generic array of Iterator<? extends Number> is created for a varargs parameter\n" +
"----------\n" +
"6. WARNING in X.java (at line 18)\n" +
" Iterator<Number> it2 = X.chain(l1.iterator(), l1.iterator());\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: A generic array of Iterator<? extends Number> is created for a varargs parameter\n" +
"----------\n"
)
);
}
public void test1001() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" static class Box<T> {}\n" +
" static class ABox<T extends A> {}\n" +
" static class A {}\n" +
" \n" +
" void foo(ABox<? extends A> a1, ABox<?> a2) {\n" +
" a1 = a2; \n" +
" }\n" +
"}", // =================
},
"");
}
public void test1002() {
this.runNegativeTest(
new String[] {
"Base.java",
"class Base {\n" +
"}\n" +
"class Foo<U extends Base, V extends Bar<U, Foo<U, V>>> {\n" +
" U u;\n" +
" V v;\n" +
"}\n" +
"class Bar<E extends Base, F extends Foo<E, Bar<E, F>>> {\n" +
" E e;\n" +
" F f;\n" +
"}\n", // =================
},
"----------\n" +
"1. ERROR in Base.java (at line 3)\n" +
" class Foo<U extends Base, V extends Bar<U, Foo<U, V>>> {\n" +
" ^^^\n" +
"Bound mismatch: The type Foo<U,V> is not a valid substitute for the bounded parameter <F extends Foo<E,Bar<E,F>>> of the type Bar<E,F>\n" +
"----------\n" +
"2. ERROR in Base.java (at line 7)\n" +
" class Bar<E extends Base, F extends Foo<E, Bar<E, F>>> {\n" +
" ^^^\n" +
"Bound mismatch: The type Bar<E,F> is not a valid substitute for the bounded parameter <V extends Bar<U,Foo<U,V>>> of the type Foo<U,V>\n" +
"----------\n");
}
public void test1003() {
this.runConformTest(
new String[] {
"B.java",
"class B {\n" +
"}\n" +
"class S<BB extends B, SS extends S<BB, SS, TT>, TT extends T<BB, SS, TT>> {\n" +
" BB b;\n" +
" TT t;\n" +
"}\n" +
"class T<BB extends B, SS extends S<BB, SS, TT>, TT extends T<BB, SS, TT>> {\n" +
" BB b;\n" +
" SS t;\n" +
"}\n", // =================
},
"");
}
public void test1004() {
runConformTest(
// test directory preparation
new String[] { /* test files */
"X.java",
"public class X {\n" +
" <B> B getOtherValue() {\n" +
" return null;\n" +
" }\n" +
" <A> A getValue() {\n" +
" return getOtherValue();\n" +
" }\n" +
"}", // =================
},
// javac options
JavacTestOptions.JavacHasABug.JavacBugFixed_7 /* javac test options */);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=145420
public void test1005() {
runConformTest(
// test directory preparation
true /* flush output directory */,
new String[] { /* test files */
"X.java",
"public class X<T1,T2> {\n" +
"\n" +
" private static final Object NULL_REF = new Object();\n" +
" private Object data;\n" +
"\n" +
" private static <RT> RT unwrap(Object obj) {\n" +
" return (RT)(obj == NULL_REF ? null : obj);\n" +
" }\n" +
"\n" +
" public T1 getAsT1() {\n" +
" return unwrap(data);\n" +
" }\n" +
"\n" +
" public T2 getAsT2() {\n" +
" return unwrap(data);\n" +
" }\n" +
"}", // =================
},
// compiler results
null /* do not check compiler log */,
// runtime results
"" /* expected output string */,
"" /* expected error string */,
// javac options
JavacTestOptions.JavacHasABug.JavacBugFixed_7 /* javac test options */);
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=145420 - variant
public void test1005b() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T1,T2> {\n" +
"\n" +
" private static final Object NULL_REF = new Object();\n" +
" private Object data;\n" +
"\n" +
" private static <RT> RT unwrap(Object obj) {\n" +
" return (RT)(obj == NULL_REF ? null : obj);\n" +
" }\n" +
"\n" +
" public T1 getAsT1() {\n" +
" return unwrap(data);\n" +
" }\n" +
"\n" +
" public T2 getAsT2() {\n" +
" return unwrap(data);\n" +
" }\n" +
" Zork z;\n" +
"}", // =================
},
"----------\n" +
"1. WARNING in X.java (at line 7)\n" +
" return (RT)(obj == NULL_REF ? null : obj);\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from Object to RT\n" +
"----------\n" +
"2. ERROR in X.java (at line 17)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
public void test1006() {
this.runConformTest(
new String[] {
"X.java",
"class Reference<T> {\n" +
" T target;\n" +
" Reference(T target) {\n" +
" this.target = target;\n" +
" }\n" +
" T deref() {\n" +
" return this.target;\n" +
" }\n" +
" static <U> Reference<U> create(U u) {\n" +
" return new Reference<U>(u);\n" +
" }\n" +
"}\n" +
"class BaseObject {}\n" +
"class Person extends BaseObject {}\n" +
"class Building extends BaseObject {}\n" +
"\n" +
"public class X {\n" +
" void foo(Building b, Person p) {\n" +
" Reference<Building> bRef = Reference.create(b);\n" +
" Reference<Person> pRef = Reference.create(p);\n" +
"\n" +
" final Building building = bRef.deref();\n" +
" final Person person = pRef.deref();\n" +
" }\n" +
"}", // =================
},
"");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=147381
public void test1007() {
this.runNegativeTest(
new String[] {
"GenericsProblem.java",
"public class GenericsProblem {\n" +
" public <T> void test(T val) {\n" +
" GenericsProblem gp = new GenericsProblem();\n" +
" Class<? extends GenericsProblem> cl2 = gp.getClass();\n" +
" Class<? extends T> cl = val.getClass();\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in GenericsProblem.java (at line 5)\n" +
" Class<? extends T> cl = val.getClass();\n" +
" ^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Class<capture#2-of ? extends Object> to Class<? extends T>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=148061
// FAIL ERRMSG (type display)
public void test1008() {
if (this.complianceLevel >= ClassFileConstants.JDK1_8)
return;
runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" void foo(L l, C<? extends X> c) {\n" +
" X x = bar(l, c);\n" +
" }\n" +
" <T> T bar(L<T> l, C<? extends T> c) { \n" +
" return zork;\n" +
" } \n" +
"}\n" +
"class C<E> {}\n" +
"class L<E> {}\n" +
"\n" +
"\n", // =================
},
"----------\n" +
"1. WARNING in X.java (at line 2)\n" +
" void foo(L l, C<? extends X> c) {\n" +
" ^\n" +
"L is a raw type. References to generic type L<E> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 3)\n" +
" X x = bar(l, c);\n" +
" ^^^^^^^^^\n" +
"Type safety: Unchecked invocation bar(L, C<capture#1-of ? extends X>) of the generic method bar(L<T>, C<? extends T>) of type X\n" +
"----------\n" +
"3. WARNING in X.java (at line 3)\n" +
" X x = bar(l, c);\n" +
" ^\n" +
"Type safety: The expression of type L needs unchecked conversion to conform to L<X>\n" +
"----------\n" +
"4. ERROR in X.java (at line 6)\n" +
" return zork;\n" +
" ^^^^\n" +
"zork cannot be resolved to a variable\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=148061 - variation
public void test1009() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.Map;\n" +
"public class X {\n" +
"\n" +
" void foo(Map<String,Map> map) {\n" +
" bar(map);\n" +
" }\n" +
" <U,V> void bar(Map<U,Map<U,V>> map) {\n" +
" }\n" +
"}\n", // =================
},
"----------\n" +
"1. WARNING in X.java (at line 4)\n" +
" void foo(Map<String,Map> map) {\n" +
" ^^^\n" +
"Map is a raw type. References to generic type Map<K,V> should be parameterized\n" +
"----------\n" +
"2. ERROR in X.java (at line 5)\n" +
" bar(map);\n" +
" ^^^\n" +
"The method bar(Map<U,Map<U,V>>) in the type X is not applicable for the arguments (Map<String,Map>)\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=148061 - variation
public void test1010() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.Map;\n" +
"public class X {\n" +
"\n" +
" void foo(Map<String,Map> map) {\n" +
" bar(map);\n" +
" }\n" +
" <U,V> void bar(Map<U,? extends Map<U,V>> map) {\n" +
" }\n" +
"}\n", // =================
},
"----------\n" +
"1. WARNING in X.java (at line 4)\n" +
" void foo(Map<String,Map> map) {\n" +
" ^^^\n" +
"Map is a raw type. References to generic type Map<K,V> should be parameterized\n" +
"----------\n" +
"2. ERROR in X.java (at line 5)\n" +
" bar(map);\n" +
" ^^^\n" +
"The method bar(Map<U,? extends Map<U,V>>) in the type X is not applicable for the arguments (Map<String,Map>)\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=148061 - variation
public void test1011() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"public class X {\n" +
" void foo(HashMap map, String s, Map<String,String> map2) {\n" +
" bar(map, s, map2); //1\n" +
" bar(map2, s, map2); //2\n" +
" bar2(map, s, map2); //3\n" +
" bar3(map, s, map2); //4\n" +
" }\n" +
" <U> void bar(Map<U,U> map, U u, Map<U,U> map2) {}\n" +
" void bar2(Map<String,String> map, String s, Map<String,String> map2) {}\n" +
" <U> void bar3(Map<String,String> map, U s, Map<U,U> map2) {}\n" +
"}\n", // =================
},
"----------\n" +
"1. WARNING in X.java (at line 3)\n" +
" void foo(HashMap map, String s, Map<String,String> map2) {\n" +
" ^^^^^^^\n" +
"HashMap is a raw type. References to generic type HashMap<K,V> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 4)\n" +
" bar(map, s, map2); //1\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked invocation bar(HashMap, String, Map<String,String>) of the generic method bar(Map<U,U>, U, Map<U,U>) of type X\n" +
"----------\n" +
"3. WARNING in X.java (at line 4)\n" +
" bar(map, s, map2); //1\n" +
" ^^^\n" +
"Type safety: The expression of type HashMap needs unchecked conversion to conform to Map<String,String>\n" +
"----------\n" +
"4. WARNING in X.java (at line 6)\n" +
" bar2(map, s, map2); //3\n" +
" ^^^\n" +
"Type safety: The expression of type HashMap needs unchecked conversion to conform to Map<String,String>\n" +
"----------\n" +
"5. WARNING in X.java (at line 7)\n" +
" bar3(map, s, map2); //4\n" +
" ^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked invocation bar3(HashMap, String, Map<String,String>) of the generic method bar3(Map<String,String>, U, Map<U,U>) of type X\n" +
"----------\n" +
"6. WARNING in X.java (at line 7)\n" +
" bar3(map, s, map2); //4\n" +
" ^^^\n" +
"Type safety: The expression of type HashMap needs unchecked conversion to conform to Map<String,String>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=148061 - variation
public void test1012() {
runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" void foo(L l, C<X> c) {\n" +
" X x = bar1(l, c);\n" +
" L<X> lx = bar2(l, c);\n" +
" C<X> cx = bar3(l, c);\n" +
" }\n" +
" <T> T bar1(L<T> l, C<T> c) {\n" +
" return null;\n" +
" }\n" +
" <T> L<T> bar2(L<T> l, C<T> c) {\n" +
" return null;\n" +
" }\n" +
" <T> C<T> bar3(L<T> l, C<T> c) {\n" +
" return zork;\n" +
" }\n" +
"}\n" +
"\n" +
"class C<E> {}\n" +
"class L<E> {}\n", // =================
},
"----------\n" +
"1. WARNING in X.java (at line 2)\n" +
" void foo(L l, C<X> c) {\n" +
" ^\n" +
"L is a raw type. References to generic type L<E> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 3)\n" +
" X x = bar1(l, c);\n" +
" ^^^^^^^^^^\n" +
"Type safety: Unchecked invocation bar1(L, C<X>) of the generic method bar1(L<T>, C<T>) of type X\n" +
"----------\n" +
"3. WARNING in X.java (at line 3)\n" +
" X x = bar1(l, c);\n" +
" ^\n" +
"Type safety: The expression of type L needs unchecked conversion to conform to L<X>\n" +
"----------\n" +
"4. WARNING in X.java (at line 4)\n" +
" L<X> lx = bar2(l, c);\n" +
" ^^^^^^^^^^\n" +
"Type safety: Unchecked invocation bar2(L, C<X>) of the generic method bar2(L<T>, C<T>) of type X\n" +
"----------\n" +
"5. WARNING in X.java (at line 4)\n" +
" L<X> lx = bar2(l, c);\n" +
" ^^^^^^^^^^\n" +
"Type safety: The expression of type L needs unchecked conversion to conform to L<X>\n" +
"----------\n" +
"6. WARNING in X.java (at line 4)\n" +
" L<X> lx = bar2(l, c);\n" +
" ^\n" +
"Type safety: The expression of type L needs unchecked conversion to conform to L<X>\n" +
"----------\n" +
"7. WARNING in X.java (at line 5)\n" +
" C<X> cx = bar3(l, c);\n" +
" ^^^^^^^^^^\n" +
"Type safety: Unchecked invocation bar3(L, C<X>) of the generic method bar3(L<T>, C<T>) of type X\n" +
"----------\n" +
"8. WARNING in X.java (at line 5)\n" +
" C<X> cx = bar3(l, c);\n" +
" ^^^^^^^^^^\n" +
"Type safety: The expression of type C needs unchecked conversion to conform to C<X>\n" +
"----------\n" +
"9. WARNING in X.java (at line 5)\n" +
" C<X> cx = bar3(l, c);\n" +
" ^\n" +
"Type safety: The expression of type L needs unchecked conversion to conform to L<X>\n" +
"----------\n" +
"10. ERROR in X.java (at line 14)\n" +
" return zork;\n" +
" ^^^^\n" +
"zork cannot be resolved to a variable\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=148061 - variation
public void test1013() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"\n" +
"public class X {\n" +
" public static void main(String[] args) {\n" +
" List<String> ls = new ArrayList<String>();\n" +
" ls.add(\"foo\");\n" +
" List<X> lx = new ArrayList<X>();\n" +
" lx.add(new X());\n" +
" new X().foo(ls, lx);\n" +
" }\n" +
" void done() {\n" +
" System.out.println(zork);\n" +
" }\n" +
" void foo(List l1, List<X> l2) {\n" +
" X x = bar1(l1, l2);\n" +
" x.done();\n" +
" List<X> lx = bar2(l1, l2);\n" +
" lx.get(0).done();\n" +
" }\n" +
" <T> T bar1(List<T> l1, List<T> l2) {\n" +
" return l1.get(0);\n" +
" }\n" +
" <T> List<T> bar2(List<T> l1, List<T> l2) {\n" +
" return l1;\n" +
" }\n" +
"}\n", // =================
},
"----------\n" +
"1. ERROR in X.java (at line 12)\n" +
" System.out.println(zork);\n" +
" ^^^^\n" +
"zork cannot be resolved to a variable\n" +
"----------\n" +
"2. WARNING in X.java (at line 14)\n" +
" void foo(List l1, List<X> l2) {\n" +
" ^^^^\n" +
"List is a raw type. References to generic type List<E> should be parameterized\n" +
"----------\n" +
"3. WARNING in X.java (at line 15)\n" +
" X x = bar1(l1, l2);\n" +
" ^^^^^^^^^^^^\n" +
"Type safety: Unchecked invocation bar1(List, List<X>) of the generic method bar1(List<T>, List<T>) of type X\n" +
"----------\n" +
"4. WARNING in X.java (at line 15)\n" +
" X x = bar1(l1, l2);\n" +
" ^^\n" +
"Type safety: The expression of type List needs unchecked conversion to conform to List<X>\n" +
"----------\n" +
"5. WARNING in X.java (at line 17)\n" +
" List<X> lx = bar2(l1, l2);\n" +
" ^^^^^^^^^^^^\n" +
"Type safety: Unchecked invocation bar2(List, List<X>) of the generic method bar2(List<T>, List<T>) of type X\n" +
"----------\n" +
"6. WARNING in X.java (at line 17)\n" +
" List<X> lx = bar2(l1, l2);\n" +
" ^^^^^^^^^^^^\n" +
"Type safety: The expression of type List needs unchecked conversion to conform to List<X>\n" +
"----------\n" +
"7. WARNING in X.java (at line 17)\n" +
" List<X> lx = bar2(l1, l2);\n" +
" ^^\n" +
"Type safety: The expression of type List needs unchecked conversion to conform to List<X>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=148061 - variation
public void test1014() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"\n" +
"public class X {\n" +
" void foo1(List l, List<String> ls) {\n" +
" Set<Map.Entry<String,String>> mss1 = bar(l, ls).entrySet();\n" +
" String s = bar(l, ls).entrySet();\n" +
" }\n" +
" <U,V> Map<U,V> bar(List<U> lu, List<V> lv) { return null; }\n" +
"}\n", // =================
},
"----------\n" +
"1. WARNING in X.java (at line 4)\n" +
" void foo1(List l, List<String> ls) {\n" +
" ^^^^\n" +
"List is a raw type. References to generic type List<E> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 5)\n" +
" Set<Map.Entry<String,String>> mss1 = bar(l, ls).entrySet();\n" +
" ^^^^^^^^^^\n" +
"Type safety: Unchecked invocation bar(List, List<String>) of the generic method bar(List<U>, List<V>) of type X\n" +
"----------\n" +
"3. WARNING in X.java (at line 5)\n" +
" Set<Map.Entry<String,String>> mss1 = bar(l, ls).entrySet();\n" +
" ^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: The expression of type Set needs unchecked conversion to conform to Set<Map.Entry<String,String>>\n" +
"----------\n" +
"4. WARNING in X.java (at line 5)\n" +
" Set<Map.Entry<String,String>> mss1 = bar(l, ls).entrySet();\n" +
" ^\n" +
"Type safety: The expression of type List needs unchecked conversion to conform to List<Object>\n" +
"----------\n" +
"5. WARNING in X.java (at line 6)\n" +
" String s = bar(l, ls).entrySet();\n" +
" ^^^^^^^^^^\n" +
"Type safety: Unchecked invocation bar(List, List<String>) of the generic method bar(List<U>, List<V>) of type X\n" +
"----------\n" +
"6. ERROR in X.java (at line 6)\n" +
" String s = bar(l, ls).entrySet();\n" +
" ^^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Set to String\n" +
"----------\n" +
"7. WARNING in X.java (at line 6)\n" +
" String s = bar(l, ls).entrySet();\n" +
" ^\n" +
"Type safety: The expression of type List needs unchecked conversion to conform to List<Object>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=148061 - variation
// FAIL SHOULD RAISE MORE WARNINGS?
public void test1015() {
if (this.complianceLevel >= ClassFileConstants.JDK1_8)
return;
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"public class X {\n" +
" void foo1(List l, List<String> ls) {\n" +
" List<String> ls1 = bar(l, ls);\n" +
" String s = bar(l, ls);\n" +
" }\n" +
" <U,V> List<V> bar(List<U> lu, List<V> lv) { return null; }\n" +
"}\n", // =================
},
"----------\n" +
"1. WARNING in X.java (at line 3)\n" +
" void foo1(List l, List<String> ls) {\n" +
" ^^^^\n" +
"List is a raw type. References to generic type List<E> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 4)\n" +
" List<String> ls1 = bar(l, ls);\n" +
" ^^^^^^^^^^\n" +
"Type safety: Unchecked invocation bar(List, List<String>) of the generic method bar(List<U>, List<V>) of type X\n" +
"----------\n" +
"3. WARNING in X.java (at line 4)\n" +
" List<String> ls1 = bar(l, ls);\n" +
" ^^^^^^^^^^\n" +
"Type safety: The expression of type List needs unchecked conversion to conform to List<String>\n" +
"----------\n" +
"4. WARNING in X.java (at line 4)\n" +
" List<String> ls1 = bar(l, ls);\n" +
" ^\n" +
"Type safety: The expression of type List needs unchecked conversion to conform to List<Object>\n" +
"----------\n" +
"5. WARNING in X.java (at line 5)\n" +
" String s = bar(l, ls);\n" +
" ^^^^^^^^^^\n" +
"Type safety: Unchecked invocation bar(List, List<String>) of the generic method bar(List<U>, List<V>) of type X\n" +
"----------\n" +
"6. ERROR in X.java (at line 5)\n" +
" String s = bar(l, ls);\n" +
" ^^^^^^^^^^\n" +
"Type mismatch: cannot convert from List to String\n" +
"----------\n" +
"7. WARNING in X.java (at line 5)\n" +
" String s = bar(l, ls);\n" +
" ^\n" +
"Type safety: The expression of type List needs unchecked conversion to conform to List<Object>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=148061 - variation
// SHOULD FAIL AT 1.8 (RET): Type mismatch: cannot convert from List<Object> to List
public void test1016() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"public class X {\n" +
" void foo1() {\n" +
" List ls1 = bar(null);\n" +
" List<String> ls2 = bar(null);\n" +
" String s = bar(null);\n" +
" }\n" +
" <U> List<U> bar(List<U> lu) { return null; }\n" +
"}\n", // =================
},
"----------\n" +
"1. WARNING in X.java (at line 4)\n" +
" List ls1 = bar(null);\n" +
" ^^^^\n" +
"List is a raw type. References to generic type List<E> should be parameterized\n" +
"----------\n" +
"2. ERROR in X.java (at line 6)\n" +
" String s = bar(null);\n" +
" ^^^^^^^^^\n" +
"Type mismatch: cannot convert from List<Object> to String\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=148061 - variation
public void test1017() {
this.runNegativeTest(
new String[] {
"SortedList.java",
"import java.util.*;\n" +
"\n" +
"public class SortedList<E extends Comparable> extends LinkedList<E>\n" +
"{\n" +
" public boolean add(E e){\n" +
" int index = Collections.binarySearch(this,e);\n" +
" if (index<0)\n" +
" super.add(-index-1,e);\n" +
" return true;\n" +
" }\n" +
"}", // =================
},
"----------\n" +
"1. WARNING in SortedList.java (at line 3)\n" +
" public class SortedList<E extends Comparable> extends LinkedList<E>\n" +
" ^^^^^^^^^^\n" +
"The serializable class SortedList does not declare a static final serialVersionUID field of type long\n" +
"----------\n" +
"2. WARNING in SortedList.java (at line 3)\n" +
" public class SortedList<E extends Comparable> extends LinkedList<E>\n" +
" ^^^^^^^^^^\n" +
"Comparable is a raw type. References to generic type Comparable<T> should be parameterized\n" +
"----------\n" +
"3. WARNING in SortedList.java (at line 5)\n" +
" public boolean add(E e){\n" +
" ^^^^^^^^\n" +
"The method add(E) of type SortedList<E> should be tagged with @Override since it actually overrides a superclass method\n" +
"----------\n" +
"4. ERROR in SortedList.java (at line 6)\n" +
" int index = Collections.binarySearch(this,e);\n" +
" ^^^^^^^^^^^^\n" +
"The method binarySearch(List<? extends Comparable<? super T>>, T) in the type Collections is not applicable for the arguments (SortedList<E>, E)\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=148061 - variation
public void test1018() {
this.runConformTest(
new String[] {
"X.java",
"public class X<U,V> {\n" +
"\n" +
" void foo(U u) {\n" +
" bar(u, new Exception());\n" +
" }\n" +
" <T extends Exception> T bar(U u, T t) { return null; }\n" +
"}", // =================
},
"");
}
public void test1018a() {
runConformTest(
// test directory preparation
true /* flush output directory */,
new String[] { /* test files */
"X.java",
"class A<T> {}\n" +
"\n" +
"class B<E> extends A<X<String>> {}\n" +
"\n" +
"public class X<E extends String> extends B<E> {\n" +
" public static void main(String[] args) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
"}"
},
// compiler results
null /* do not check compiler log */,
// runtime results
"SUCCESS" /* expected output string */,
"" /* expected error string */,
// javac options
JavacTestOptions.JavacHasABug.JavacBugFixed_7 /* javac test options */);
}
public void test1019() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" public static void main(String[] args) {\n" +
" double[] d1 = new double[] { 1.0, 2.0, 3.0, 4.0 };\n" +
" System.out.println(deepToString(d1));\n" +
"\n" +
" Double[] d2 = new Double[] { 1.0, 2.0, 3.0, 4.0 };\n" +
" System.out.println(deepToString(d2));\n" +
" \n" +
" }\n" +
"\n" +
" public static <T> String deepToString(T[] array) {\n" +
" StringBuffer s = new StringBuffer();\n" +
" for (T t : array) {\n" +
" s.append(t.toString());\n" +
" s.append(\",\");\n" +
" }\n" +
" if (s.length() > 0) {\n" +
" s.setLength(s.length() - 1); // removes last \",\"\n" +
" }\n" +
" return s.toString();\n" +
" }\n" +
"}\n", // =================
},
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" System.out.println(deepToString(d1));\n" +
" ^^^^^^^^^^^^\n" +
"The method deepToString(T[]) in the type X is not applicable for the arguments (double[])\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=149573
public void test1020() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.List;\n" +
"\n" +
"public class X {\n" +
" void foo(List<? extends Exception> l1, List<? extends Exception> l2) {\n" +
" l1.add(l2.get(0));\n" +
" }\n" +
"}\n", // =================
},
"----------\n" +
"1. ERROR in X.java (at line 5)\n" +
" l1.add(l2.get(0));\n" +
" ^^^\n" +
"The method add(capture#1-of ? extends Exception) in the type List<capture#1-of ? extends Exception> is not applicable for the arguments (capture#2-of ? extends Exception)\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=149376
public void test1021() {
this.runConformTest(
new String[] {
"p/SomeClass.java",
"package p;\n" +
"import static p.SomeClass.SomeEnum.*;\n" +
"public abstract class SomeClass<T> extends Object {\n" +
" public enum SomeEnum {\n" +
" A;\n" +
" };\n" +
"}\n",
},
""
);
}
public void test1021b() { // should this case be allowed?
this.runNegativeTest(
new String[] {
"p/SomeClass2.java",
"package p;\n" +
"import static p.SomeClass2.M1.*;\n" +
"public abstract class SomeClass2<T> extends M {\n" +
" public static class M1 extends M2 {}\n" +
" public static class M2 extends M3 {}\n" +
" public static class M3 {\n" +
" public static class M {}\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in p\\SomeClass2.java (at line 3)\n" +
" public abstract class SomeClass2<T> extends M {\n" +
" ^\n" +
"Cycle detected: the type SomeClass2<T> cannot extend/implement itself or one of its own member types\n" +
"----------\n"
);
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=151410 (duplicate of 149376)
public void test1021c() {
runConformTest(
new String[] {
"ccs/jdtbug/filters/NameRF.java",
"package ccs.jdtbug.filters;\n" +
"import static ccs.jdtbug.ResultFilter.Action.*;\n" +
"import ccs.jdtbug.*;\n" +
"public class NameRF implements ResultFilter<String> {\n" +
" public NameRF() {}\n" +
" public Action getAction(String in, int ntotal, int naccept) {\n" +
" return YES;\n" +
" }\n" +
"} // end class\n",
"ccs/jdtbug/ResultFilter.java",
"package ccs.jdtbug;\n" +
"import java.io.*;\n" +
"public interface ResultFilter<T> {\n" +
" public enum Action {\n" +
" YES, NO, CANCEL\n" +
" }\n" +
" public Action getAction(T in, int ntotal, int naccept) throws IOException;\n" +
"} // end interface\n"
}
);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=150294
public void test1022() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" public static void main(String[] args) {\n" +
" String testString = \"test string\";\n" +
"\n" +
" testWithNonGeneric(testString);\n" +
" testWithGeneric(testString);\n" +
" }\n" +
"\n" +
" private static void testWithNonGeneric(String input) {\n" +
" Class<? extends String> clazz = input.getClass();\n" +
"\n" +
" System.out.println(clazz.getName());\n" +
" }\n" +
"\n" +
" private static <T> void testWithGeneric(T input) {\n" +
" Class<? extends T> clazz = input.getClass();\n" +
"\n" +
" System.out.println(clazz.getName());\n" +
" }\n" +
"}", // =================,
},
"----------\n" +
"1. ERROR in X.java (at line 16)\n" +
" Class<? extends T> clazz = input.getClass();\n" +
" ^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Class<capture#3-of ? extends Object> to Class<? extends T>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=150362
public void test1023() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.Map;\n" +
"import java.util.Properties;\n" +
"\n" +
"public class X {\n" +
"\n" +
" public static void main(String[] args) {\n" +
" Properties props = new Properties();\n" +
" for (Map.Entry<String, ?> entry : props.entrySet()) {\n" +
" System.out.println(entry);\n" +
" }\n" +
" for (Map.Entry<String, ?> entry : ((Map<String, ?>) props).entrySet()) {\n" +
" System.out.println(entry);\n" +
" }\n" +
" for (Map.Entry<Object, ?> entry : ((Map<Object, ?>) props).entrySet()) {\n" +
" System.out.println(entry);\n" +
" }\n" +
" for (Map.Entry<Object, ?> entry : props.entrySet()) {\n" +
" System.out.println(entry);\n" +
" }\n" +
" for (Map.Entry<?, ?> entry : ((Map<?, ?>) props).entrySet()) {\n" +
" System.out.println(entry);\n" +
" }\n" +
" for (Map.Entry<?, ?> entry : props.entrySet()) {\n" +
" System.out.println(entry);\n" +
" }\n" +
" }\n" +
"}", // =================,
},
"----------\n" +
"1. ERROR in X.java (at line 8)\n" +
" for (Map.Entry<String, ?> entry : props.entrySet()) {\n" +
" ^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from element type Map.Entry<Object,Object> to Map.Entry<String,?>\n" +
"----------\n" +
"2. ERROR in X.java (at line 11)\n" +
" for (Map.Entry<String, ?> entry : ((Map<String, ?>) props).entrySet()) {\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Cannot cast from Properties to Map<String,?>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=151275
public void test1024() {
runConformTest(
true,
new String[] {
"X.java",
"public class X {\n" +
" public static void main(String[] args) {\n" +
" Integer castInteger = genericCast(1); // works\n" +
" int castInt1 = genericCast(1); // fails in javac but works in Eclipse\n" +
" int castInt2 = X.<Integer> genericCast(1); // workaround for javac\n" +
" int castInt3 = (Integer) genericCast(1); // workaround for javac\n" +
" }\n" +
" private static <T> T genericCast(Object input) {\n" +
" @SuppressWarnings(\"unchecked\")\n" +
" T castValue = (T) input;\n" +
" return castValue;\n" +
" }\n" +
"}", // =================,
},
null,
"",
null,
JavacTestOptions.EclipseJustification.EclipseBug151275);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=155753
public void test1025() {
this.runConformTest(
new String[] {
"GenericBaseClass.java",
"public class GenericBaseClass<P, C> {\n" +
" public GenericBaseClass() {\n" +
" if (!(this instanceof ASubGenericClass)) {\n" +
" System.out.println(\"I\'m not ASubClass\");\n" +
" }\n" +
" }\n" +
"}\n" +
"\n" +
"class ASubGenericClass extends GenericBaseClass<GenericBaseClass, GenericBaseClass> {\n" +
" public ASubGenericClass() {\n" +
" // This compiles with both\n" +
" GenericBaseClass<GenericBaseClass, GenericBaseClass> hey = this;\n" +
" }\n" +
"}", // =================
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=155753
public void test1026() {
runConformTest(
// test directory preparation
new String[] { /* test files */
"X.java",
"import java.util.LinkedHashSet;\n" +
"import java.util.Set;\n" +
"\n" +
"public class X {\n" +
"\n" +
" public class A {};\n" +
" public class B extends A {};\n" +
"\n" +
" public static void main(String[] args) {\n" +
" X g = new X();\n" +
" Set<A> set = g.newSet(g.new B());\n" +
" }\n" +
" public <T, V extends T> Set<T> newSet(V v) {\n" +
" Set<T> set = new LinkedHashSet<T>();\n" +
" set.add(v);\n" +
" return set;\n" +
" }\n" +
"}\n" // =================
},
// javac options
JavacTestOptions.JavacHasABug.JavacBugFixed_7 /* javac test options */);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=155753 - variation
public void test1027() {
runConformTest(
// test directory preparation
new String[] { /* test files */
"X.java",
this.complianceLevel < ClassFileConstants.JDK1_7 ?
"import java.util.LinkedHashSet;\n" +
"import java.util.Set;\n" +
"\n" +
"public class X {\n" +
"\n" +
" public class A {};\n" +
" public class B extends A {};\n" +
"\n" +
" public static void main(String[] args) {\n" +
" X g = new X();\n" +
" Set<A> set = g.newSet(g.new B());\n" +
" }\n" +
" public <T, V extends T> Set<T> newSet(V... objects) {\n" +
" Set<T> set = new LinkedHashSet<T>();\n" +
" for (T t : objects) {\n" +
" set.add(t);\n" +
" }\n" +
" return set;\n" +
" }\n" +
"}\n" +
"\n" :
"import java.util.LinkedHashSet;\n" +
"import java.util.Set;\n" +
"\n" +
"public class X {\n" +
"\n" +
" public class A {};\n" +
" public class B extends A {};\n" +
"\n" +
" public static void main(String[] args) {\n" +
" X g = new X();\n" +
" Set<A> set = g.newSet(g.new B());\n" +
" }\n" +
" @SuppressWarnings(\"unchecked\")\n" +
" public <T, V extends T> Set<T> newSet(V... objects) {\n" +
" Set<T> set = new LinkedHashSet<T>();\n" +
" for (T t : objects) {\n" +
" set.add(t);\n" +
" }\n" +
" return set;\n" +
" }\n" +
"}\n" +
"\n", // =================, // =================
},
// javac options
JavacTestOptions.JavacHasABug.JavacBugFixed_7 /* javac test options */);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=155753 - variation
public void test1028() {
runConformTest(
// test directory preparation
new String[] { /* test files */
"X.java",
"import java.util.LinkedHashSet;\n" +
"import java.util.Set;\n" +
"\n" +
"public class X {\n" +
"\n" +
" public static void main(String[] args) {\n" +
" X g = new X();\n" +
" Set<A> set = g.newSet(new B());\n" +
" }\n" +
" public <T, V extends T> Set<T> newSet(V v) {\n" +
" Set<T> set = new LinkedHashSet<T>();\n" +
" set.add(v);\n" +
" return set;\n" +
" }\n" +
"}\n" +
"\n" +
"class A {};\n" +
"class B extends A {};\n", // =================
},
// javac options
JavacTestOptions.JavacHasABug.JavacBugFixed_7 /* javac test options */);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=156016
public void test1029() {
Map options = getCompilerOptions();
options.put(JavaCore.COMPILER_PB_UNCHECKED_TYPE_OPERATION, JavaCore.IGNORE);
String xSource =
"import java.util.Arrays;\n" +
"import java.util.List;\n" +
"\n" +
"public class X {\n" +
" public static <T extends Number> List<T> makeNumberList(T a, T b) {\n" +
" return Arrays.asList(a, b);\n" +
" }\n" +
"\n" +
" public static void main(String... args) {\n" +
" List<Number> name = makeNumberList(5, 5D);\n" +
" }\n" +
"}";
if (this.complianceLevel < ClassFileConstants.JDK1_8) {
this.runNegativeTest(
new String[] {
"X.java",
xSource,
},
"----------\n" +
"1. ERROR in X.java (at line 10)\n" +
" List<Number> name = makeNumberList(5, 5D);\n" +
" ^^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from List<Number&Comparable<?>> to List<Number>\n" +
"----------\n",
null,
true,
options);
} else {
runConformTest(new String[] { "X.java", xSource });
}
}
public void test1030() {
this.runConformTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"\n" +
"public class X {\n" +
" public class PointList<W> extends Object implements Iterable<W> {\n" +
" private List<W> theList = new ArrayList<W>();\n" +
"\n" +
" public Iterator<W> iterator() {\n" +
" return theList.iterator();\n" +
" }\n" +
" }\n" +
"\n" +
" private PointList<Waypoint> waypoints = new PointList<Waypoint>();\n" +
"\n" +
" public void printWaypoints() {\n" +
" for (Waypoint waypoint : waypoints) { // ***** This line does not compile *****\n" +
" System.out.println(waypoint.toString());\n" +
" }\n" +
" for (Iterator<Waypoint> it = waypoints.iterator(); it.hasNext();) {\n" +
" Waypoint waypoint = it.next();\n" +
" System.out.println(waypoint.toString());\n" +
" }\n" +
" }\n" +
"}\n" +
"\n" +
"class Waypoint {}", // =================
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=156765
// FAIL EXTRA ERR: outer non-generic invocation cannot yet feed expected type into inner inference
public void test1031() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.io.Serializable;\n" +
"\n" +
"interface IValue extends Serializable {\n" +
" public <T extends Comparable<? super T>> T getComparableValue();\n" +
"}\n" +
"\n" +
"@SuppressWarnings(\"null\")\n" +
"public class X {\n" +
" public static void foo0() {\n" +
" IValue val1 = null;\n" +
" Object o = val1.getComparableValue(); // 0\n" +
" }\n" +
" public static void foo1() {\n" +
" IValue val1 = null;\n" +
" String s = val1.getComparableValue(); // 1\n" +
" }\n" +
" public static int foo2() {\n" +
" IValue val1 = null;\n" +
" IValue val2 = null;\n" +
" return val1.getComparableValue().compareTo(val2.getComparableValue()); // 2\n" +
" } \n" +
" public static int foo3() {\n" +
" Comparable<? super String> c = \"aaa\"; // 3\n" +
" Comparable<? super Object> o = new Object(); // 4\n" +
" return 0;\n" +
" }\n" +
"}", // =================
},
"----------\n" +
"1. ERROR in X.java (at line 24)\n" +
" Comparable<? super Object> o = new Object(); // 4\n" +
" ^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Object to Comparable<? super Object>\n" +
"----------\n");
}
public void test1032() {
runConformTest(
// test directory preparation
true /* flush output directory */,
new String[] { /* test files */
"X.java",
"import java.io.*;\n" +
"\n" +
"public class X {\n" +
" <T> T test(String name) {\n" +
"\n" +
" try {\n" +
" InputStream in = new FileInputStream(name);\n" +
" return (T) new ObjectInputStream(in).readObject();\n" +
" } catch (Exception e) {\n" +
" }\n" +
" return null;\n" +
" }\n" +
"\n" +
" <U> U text() {\n" +
" return test(\"data\");\n" +
" }\n" +
"}", // =================
},
// compiler results
null /* do not check compiler log */,
// runtime results
"" /* expected output string */,
"" /* expected error string */,
// javac options
JavacTestOptions.JavacHasABug.JavacBugFixed_7 /* javac test options */);
}
public void test1032a() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.io.*;\n" +
"\n" +
"public class X {\n" +
" <T> T test(String name) {\n" +
"\n" +
" try {\n" +
" InputStream in = new FileInputStream(name);\n" +
" return (T) new ObjectInputStream(in).readObject();\n" +
" } catch (Exception e) {\n" +
" }\n" +
" return null;\n" +
" }\n" +
"\n" +
" <U> U text() {\n" +
" return test(\"data\");\n" +
" }\n" +
" Zork z;\n" +
"}", // =================
},
"----------\n" +
"1. WARNING in X.java (at line 8)\n" +
" return (T) new ObjectInputStream(in).readObject();\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from Object to T\n" +
"----------\n" +
"2. ERROR in X.java (at line 17)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
public void test1033() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T> {\n" +
" public static void main(String[] args) {\n" +
" X x = new X();\n" +
" x.bar1(Integer.TYPE);\n" +
" x.bar2(Integer.TYPE);\n" +
" x.bar2(\"\");\n" +
" } \n" +
" void bar1(Class<?>... classes) {}\n" +
" void bar2(Class... classes) {}\n" +
" \n" +
"}", // =================
},
"----------\n" +
"1. WARNING in X.java (at line 3)\n" +
" X x = new X();\n" +
" ^\n" +
"X is a raw type. References to generic type X<T> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 3)\n" +
" X x = new X();\n" +
" ^\n" +
"X is a raw type. References to generic type X<T> should be parameterized\n" +
"----------\n" +
"3. WARNING in X.java (at line 4)\n" +
" x.bar1(Integer.TYPE);\n" +
" ^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: The method bar1(Class...) belongs to the raw type X. References to generic type X<T> should be parameterized\n" +
"----------\n" +
"4. ERROR in X.java (at line 6)\n" +
" x.bar2(\"\");\n" +
" ^^^^\n" +
"The method bar2(Class...) in the type X is not applicable for the arguments (String)\n" +
"----------\n" +
"5. WARNING in X.java (at line 9)\n" +
" void bar2(Class... classes) {}\n" +
" ^^^^^\n" +
"Class is a raw type. References to generic type Class<T> should be parameterized\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=158519
// FAIL ERRMSG
public void test1034() {
this.runNegativeTest(
new String[] {
"ChainedClosure.java",
"interface Closure<I> {\n" +
" public void execute(I input);\n" +
"}\n" +
"\n" +
"class ChainedClosure<I> implements Closure<I> {\n" +
" private final Closure<? super I>[] iClosures;\n" +
" @SuppressWarnings(\"unchecked\")\n" +
" public static <I> Closure<I> getInstance(Closure<? super I> closure1, Closure<? super I> closure2) {\n" +
" if (closure1 == null || closure2 == null) {\n" +
" throw new IllegalArgumentException(\"Closures must not be null\");\n" +
" }\n" +
" Closure<I>[] closures = new Closure[] { closure1, closure2 };\n" +
" return new ChainedClosure<I>(closures);\n" +
" }\n" +
" public ChainedClosure(Closure<? super I>[] closures) {\n" +
" super();\n" +
" iClosures = closures;\n" +
" }\n" +
" public void execute(I input) {\n" +
" for (int i = 0; i < iClosures.length; i++) {\n" +
" iClosures[i].execute(input);\n" +
" }\n" +
" }\n" +
"}\n" +
"class ClosureUtils {\n" +
" public static <J> Closure<J> chainedClosure(Closure<? super J> closure1, Closure<? super J> closure2) {\n" +
" return ChainedClosure.getInstance(closure1, closure2);\n" +
" }\n" +
" public static Closure<String> chainedClosure2(Closure<? super String> closure1, Closure<? super String> closure2) {\n" +
" return ChainedClosure.getInstance(closure1, closure2);\n" +
" }\n" +
" public static <J> Closure<String> chainedClosure3(Closure<? super J> closure1, Closure<? super J> closure2) {\n" +
" return ChainedClosure.getInstance(closure1, closure2);\n" +
" }\n" +
"}", // =================
},
this.complianceLevel < ClassFileConstants.JDK1_8 ?
"----------\n" +
"1. ERROR in ChainedClosure.java (at line 33)\n" +
" return ChainedClosure.getInstance(closure1, closure2);\n" +
" ^^^^^^^^^^^\n" +
"The method getInstance(Closure<? super I>, Closure<? super I>) in the type ChainedClosure is not applicable for the arguments (Closure<capture#10-of ? super J>, Closure<capture#11-of ? super J>)\n" +
"----------\n" :
"----------\n" +
"1. ERROR in ChainedClosure.java (at line 33)\n" +
" return ChainedClosure.getInstance(closure1, closure2);\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Closure<capture#10-of ? super J & capture#11-of ? super J> to Closure<String>\n" +
"----------\n",
JavacTestOptions.DEFAULT);
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=158531
public void test1035() {
this.runConformTest(
new String[] {
"ComparableComparator.java",
"import java.util.Comparator;\n" +
"\n" +
"@SuppressWarnings({\"unchecked\", \"rawtypes\"})\n" +
"class ComparableComparator<T extends Comparable<? super T>> implements Comparator<T> {\n" +
"\n" +
" static ComparableComparator instance = new ComparableComparator();\n" +
"\n" +
"public static <W extends Comparable<? super W>> ComparableComparator<W> getInstance() {\n" +
" return instance;\n" +
"}\n" +
"static <M extends Comparable<M>> Comparator<M> bar() {\n" +
" return null;\n" +
"}\n" +
"static <M extends String> Comparator<M> baz() {\n" +
" return null;\n" +
"}\n" +
"public int compare(T obj1, T obj2) {\n" +
" return obj1.compareTo(obj2);\n" +
"}\n" +
"}\n" +
"\n" +
"@SuppressWarnings({\"unchecked\", \"rawtypes\"})\n" +
"class ComparatorUtils {\n" +
"\n" +
" static Comparator BAR = ComparableComparator.bar();//0\n" +
" static Comparator NATURAL_COMPARATOR = ComparableComparator.getInstance();//1\n" +
" static Object BAR2 = ComparableComparator.bar();//1a\n" +
" static Comparator BAR3 = ComparableComparator.baz();//1b\n" +
"\n" +
"public static <T extends Comparable<? super T>> Comparator<T> naturalComparator() {\n" +
" return NATURAL_COMPARATOR;\n" +
"}\n" +
"\n" +
"public static <U> Comparator<U> nullLowComparator(Comparator<U> comparator) {\n" +
" if (comparator == null)\n" +
" comparator = (Comparator<U>) naturalComparator();//2\n" +
" return new NullComparator<U>(comparator, false);\n" +
"}\n" +
"}\n" +
"\n" +
"@SuppressWarnings(\"unchecked\")\n" +
"class NullComparator<V> implements Comparator<V> {\n" +
"\n" +
" Comparator<V> nonNullComparator;\n" +
" boolean nullsAreHigh;\n" +
"\n" +
"public NullComparator() {\n" +
" this((Comparator<V>) ComparableComparator.getInstance(), true);//3\n" +
"}\n" +
"\n" +
"public NullComparator(Comparator<V> nonNullComparator) {\n" +
" this(nonNullComparator, true);\n" +
"}\n" +
"\n" +
"public NullComparator(boolean nullsAreHigh) {\n" +
" this((Comparator<V>) ComparableComparator.getInstance(), nullsAreHigh);//4\n" +
"}\n" +
"\n" +
"public NullComparator(Comparator<V> nonNullComparator, boolean nullsAreHigh) {\n" +
" this.nonNullComparator = nonNullComparator;\n" +
" this.nullsAreHigh = nullsAreHigh;\n" +
" if (nonNullComparator == null) {\n" +
" throw new NullPointerException(\"null nonNullComparator\");\n" +
" }\n" +
"}\n" +
"\n" +
"public int compare(V obj1, V obj2) {\n" +
" return 0;\n" +
"}\n" +
"}", // =================
});
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=158548
public void test1036() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T extends String> {\n" +
" \n" +
" List<Zork> list;\n" +
" Map<Zork,Zork>.Entry<List<Zork>,List<Zork>> entry;\n" +
" jaavaa.util.Map<Zork,Zork>.Entry<List<Zork>,List<Zork>> entry2;\n" +
" \n" +
" p.q.Map.Entry entry3;\n" +
" \n" +
" String<Object>.Y<List> y; // wrong\n" +
" X<Object>.Y<List> y1; // wrong\n" +
" X<String>.Y<List> y2;\n" +
"}", // =================
},
"----------\n" +
"1. WARNING in X.java (at line 1)\n" +
" public class X<T extends String> {\n" +
" ^^^^^^\n" +
"The type parameter T should not be bounded by the final type String. Final types cannot be further extended\n" +
"----------\n" +
"2. ERROR in X.java (at line 3)\n" +
" List<Zork> list;\n" +
" ^^^^\n" +
"List cannot be resolved to a type\n" +
"----------\n" +
"3. ERROR in X.java (at line 3)\n" +
" List<Zork> list;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n" +
"4. ERROR in X.java (at line 4)\n" +
" Map<Zork,Zork>.Entry<List<Zork>,List<Zork>> entry;\n" +
" ^^^\n" +
"Map cannot be resolved to a type\n" +
"----------\n" +
"5. ERROR in X.java (at line 4)\n" +
" Map<Zork,Zork>.Entry<List<Zork>,List<Zork>> entry;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n" +
"6. ERROR in X.java (at line 4)\n" +
" Map<Zork,Zork>.Entry<List<Zork>,List<Zork>> entry;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n" +
"7. ERROR in X.java (at line 4)\n" +
" Map<Zork,Zork>.Entry<List<Zork>,List<Zork>> entry;\n" +
" ^^^^\n" +
"List cannot be resolved to a type\n" +
"----------\n" +
"8. ERROR in X.java (at line 4)\n" +
" Map<Zork,Zork>.Entry<List<Zork>,List<Zork>> entry;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n" +
"9. ERROR in X.java (at line 4)\n" +
" Map<Zork,Zork>.Entry<List<Zork>,List<Zork>> entry;\n" +
" ^^^^\n" +
"List cannot be resolved to a type\n" +
"----------\n" +
"10. ERROR in X.java (at line 4)\n" +
" Map<Zork,Zork>.Entry<List<Zork>,List<Zork>> entry;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n" +
"11. ERROR in X.java (at line 5)\n" +
" jaavaa.util.Map<Zork,Zork>.Entry<List<Zork>,List<Zork>> entry2;\n" +
" ^^^^^^\n" +
"jaavaa cannot be resolved to a type\n" +
"----------\n" +
"12. ERROR in X.java (at line 5)\n" +
" jaavaa.util.Map<Zork,Zork>.Entry<List<Zork>,List<Zork>> entry2;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n" +
"13. ERROR in X.java (at line 5)\n" +
" jaavaa.util.Map<Zork,Zork>.Entry<List<Zork>,List<Zork>> entry2;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n" +
"14. ERROR in X.java (at line 5)\n" +
" jaavaa.util.Map<Zork,Zork>.Entry<List<Zork>,List<Zork>> entry2;\n" +
" ^^^^\n" +
"List cannot be resolved to a type\n" +
"----------\n" +
"15. ERROR in X.java (at line 5)\n" +
" jaavaa.util.Map<Zork,Zork>.Entry<List<Zork>,List<Zork>> entry2;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n" +
"16. ERROR in X.java (at line 5)\n" +
" jaavaa.util.Map<Zork,Zork>.Entry<List<Zork>,List<Zork>> entry2;\n" +
" ^^^^\n" +
"List cannot be resolved to a type\n" +
"----------\n" +
"17. ERROR in X.java (at line 5)\n" +
" jaavaa.util.Map<Zork,Zork>.Entry<List<Zork>,List<Zork>> entry2;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n" +
"18. ERROR in X.java (at line 7)\n" +
" p.q.Map.Entry entry3;\n" +
" ^\n" +
"p cannot be resolved to a type\n" +
"----------\n" +
"19. ERROR in X.java (at line 9)\n" +
" String<Object>.Y<List> y; // wrong\n" +
" ^^^^^^\n" +
"The type String is not generic; it cannot be parameterized with arguments <Object>\n" +
"----------\n" +
"20. ERROR in X.java (at line 10)\n" +
" X<Object>.Y<List> y1; // wrong\n" +
" ^^^^^^^^^^^\n" +
"X.Y cannot be resolved to a type\n" +
"----------\n" +
"21. ERROR in X.java (at line 10)\n" +
" X<Object>.Y<List> y1; // wrong\n" +
" ^^^^^^\n" +
"Bound mismatch: The type Object is not a valid substitute for the bounded parameter <T extends String> of the type X<T>\n" +
"----------\n" +
"22. ERROR in X.java (at line 10)\n" +
" X<Object>.Y<List> y1; // wrong\n" +
" ^^^^\n" +
"List cannot be resolved to a type\n" +
"----------\n" +
"23. ERROR in X.java (at line 11)\n" +
" X<String>.Y<List> y2;\n" +
" ^^^^^^^^^^^\n" +
"X.Y cannot be resolved to a type\n" +
"----------\n" +
"24. ERROR in X.java (at line 11)\n" +
" X<String>.Y<List> y2;\n" +
" ^^^^\n" +
"List cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=158548 - variation
public void test1037() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T extends String> {\n" +
" \n" +
" List<? extends Zork> list;\n" +
" Map.Entry<?,? super Zork> entry;\n" +
"}", // =================
},
"----------\n" +
"1. WARNING in X.java (at line 1)\n" +
" public class X<T extends String> {\n" +
" ^^^^^^\n" +
"The type parameter T should not be bounded by the final type String. Final types cannot be further extended\n" +
"----------\n" +
"2. ERROR in X.java (at line 3)\n" +
" List<? extends Zork> list;\n" +
" ^^^^\n" +
"List cannot be resolved to a type\n" +
"----------\n" +
"3. ERROR in X.java (at line 3)\n" +
" List<? extends Zork> list;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n" +
"4. ERROR in X.java (at line 4)\n" +
" Map.Entry<?,? super Zork> entry;\n" +
" ^^^\n" +
"Map cannot be resolved to a type\n" +
"----------\n" +
"5. ERROR in X.java (at line 4)\n" +
" Map.Entry<?,? super Zork> entry;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=159021 - variation
public void test1038() throws Exception {
Map options = getCompilerOptions();
options.put(CompilerOptions.OPTION_PreserveUnusedLocal, CompilerOptions.OPTIMIZE_OUT);
this.runConformTest(
new String[] {
"X.java",
"interface I<T> {\n" +
" int CONST = A.foo();\n" +
"}\n" +
"\n" +
"class A<U> {\n" +
" static int foo() {\n" +
" System.out.println(\"SUCCESS\");\n" +
" return 0;\n" +
" }\n" +
"}\n" +
"class B<V> implements I<V> {\n" +
" static int LOCAL_STATIC;\n" +
" int local_field;\n" +
" B(int param) {\n" +
" int i = CONST; // keep for possible <clinit>\n" +
" int j = param; // may optimize out\n" +
" int k = LOCAL_STATIC; // may optimize out\n" +
" int l = local_field; // may optimize out\n" +
" }\n" +
"}\n" +
"public class X {\n" +
" public static void main(String[] args) {\n" +
" new B<String>(12);\n" +
" }\n" +
"}", // =================
},
"SUCCESS",
null,
false,
null,
options,
null);
// check the reference to I.CONST still got generated (for <clinit> invocation side-effect)
String expectedOutput =
" // Method descriptor #10 (I)V\n" +
" // Stack: 1, Locals: 2\n" +
" B(int param);\n" +
" 0 aload_0 [this]\n" +
" 1 invokespecial java.lang.Object() [12]\n" +
" 4 getstatic B.CONST : int [15]\n" +
" 7 pop\n" +
" 8 return\n" +
" Line numbers:\n" +
" [pc: 0, line: 14]\n" +
" [pc: 4, line: 15]\n" +
" [pc: 8, line: 19]\n" +
" Local variable table:\n" +
" [pc: 0, pc: 9] local: this index: 0 type: B\n" +
" [pc: 0, pc: 9] local: param index: 1 type: int\n";
File f = new File(OUTPUT_DIR + File.separator + "B.class");
byte[] classFileBytes = org.eclipse.jdt.internal.compiler.util.Util.getFileByteContent(f);
ClassFileBytesDisassembler disassembler = ToolFactory.createDefaultClassFileBytesDisassembler();
String result = disassembler.disassemble(classFileBytes, "\n", ClassFileBytesDisassembler.DETAILED);
int index = result.indexOf(expectedOutput);
if (index == -1 || expectedOutput.length() == 0) {
System.out.println(Util.displayString(result, 3));
}
if (index == -1) {
assertEquals("Wrong contents", expectedOutput, result);
}
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=159021 - variation
public void test1039() throws Exception {
Map options = getCompilerOptions();
options.put(CompilerOptions.OPTION_PreserveUnusedLocal, CompilerOptions.OPTIMIZE_OUT);
this.runConformTest(
new String[] {
"X.java",
"interface I<T> {\n" +
" Value<String> CONST = A.foo(\"[I.CONST]\");\n" +
"}\n" +
"class Value<V> {\n" +
" static String NAME = \"\";\n" +
" V v;\n" +
" Value(V v) {\n" +
" this.v = v;\n" +
" }\n" +
"}\n" +
"class A {\n" +
" static Value<String> foo(String str) {\n" +
" System.out.print(str);\n" +
" return new Value<String>(\"str\");\n" +
" }\n" +
"}\n" +
"class B<V> implements I<V> {\n" +
" static Value<String> LOCAL_STATIC = A.foo(\"[B.LOCAL_STATIC]\");\n" +
" Value<String> local_field = A.foo(\"[B.local_field]\");\n" +
" B(Value<String> param) {\n" +
" String i = CONST.NAME; // keep for possible <clinit>\n" +
" String j = param.NAME; // may optimize out\n" +
" String k = LOCAL_STATIC.NAME; // may optimize out\n" +
" String l = local_field.NAME; // may optimize out\n" +
" }\n" +
"}\n" +
"public class X {\n" +
" public static void main(String[] args) {\n" +
" new B<String>(new Value<String>(\"[PARAM]\"));\n" +
" }\n" +
"}", // =================
},
"[B.LOCAL_STATIC][B.local_field][I.CONST]",
null,
false,
null,
options,
null);
// check the reference to I.CONST still got generated (for <clinit> invocation side-effect)
String expectedOutput =
" // Method descriptor #28 (LValue;)V\n" +
" // Signature: (LValue<Ljava/lang/String;>;)V\n" +
" // Stack: 2, Locals: 2\n" +
" B(Value param);\n" +
" 0 aload_0 [this]\n" +
" 1 invokespecial java.lang.Object() [30]\n" +
" 4 aload_0 [this]\n" +
" 5 ldc <String \"[B.local_field]\"> [32]\n" +
" 7 invokestatic A.foo(java.lang.String) : Value [17]\n" +
" 10 putfield B.local_field : Value [34]\n" +
" 13 getstatic B.CONST : Value [36]\n" +
" 16 pop\n" +
" 17 getstatic Value.NAME : java.lang.String [39]\n" +
" 20 pop\n" +
" 21 getstatic Value.NAME : java.lang.String [39]\n" +
" 24 pop\n" +
" 25 getstatic Value.NAME : java.lang.String [39]\n" +
" 28 pop\n" +
" 29 getstatic Value.NAME : java.lang.String [39]\n" +
" 32 pop\n" +
" 33 return\n" +
" Line numbers:\n" +
" [pc: 0, line: 20]\n" +
" [pc: 4, line: 19]\n" +
" [pc: 13, line: 21]\n" +
" [pc: 21, line: 22]\n" +
" [pc: 25, line: 23]\n" +
" [pc: 29, line: 24]\n" +
" [pc: 33, line: 25]\n" +
" Local variable table:\n" +
" [pc: 0, pc: 34] local: this index: 0 type: B\n" +
" [pc: 0, pc: 34] local: param index: 1 type: Value\n";
File f = new File(OUTPUT_DIR + File.separator + "B.class");
byte[] classFileBytes = org.eclipse.jdt.internal.compiler.util.Util.getFileByteContent(f);
ClassFileBytesDisassembler disassembler = ToolFactory.createDefaultClassFileBytesDisassembler();
String result = disassembler.disassemble(classFileBytes, "\n", ClassFileBytesDisassembler.DETAILED);
int index = result.indexOf(expectedOutput);
if (index == -1 || expectedOutput.length() == 0) {
System.out.println(Util.displayString(result, 3));
}
if (index == -1) {
assertEquals("Wrong contents", expectedOutput, result);
}
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=159021 - variation
public void test1040() throws Exception {
Map options = getCompilerOptions();
options.put(CompilerOptions.OPTION_PreserveUnusedLocal, CompilerOptions.OPTIMIZE_OUT);
this.runConformTest(
new String[] {
"X.java",
"interface I<T> {\n" +
" Value<String> CONST = A.foo(\"[I.CONST]\");\n" +
"}\n" +
"class Value<V> {\n" +
" static String NAME = \"\";\n" +
" V v;\n" +
" Value(V v) {\n" +
" this.v = v;\n" +
" }\n" +
"}\n" +
"class A {\n" +
" static Value<String> foo(String str) {\n" +
" System.out.print(str);\n" +
" return new Value<String>(\"str\");\n" +
" }\n" +
"}\n" +
"class B<V> implements I<V> {\n" +
" static Value<String> LOCAL_STATIC = A.foo(\"[B.LOCAL_STATIC]\");\n" +
" Value<String> local_field = A.foo(\"[B.local_field]\");\n" +
" B(Value<String> param) {\n" +
" String i = this.CONST.NAME; // keep for possible <clinit>\n" +
" String k = this.LOCAL_STATIC.NAME; // may optimize out\n" +
" String l = this.local_field.NAME; // may optimize out\n" +
" }\n" +
"}\n" +
"public class X {\n" +
" public static void main(String[] args) {\n" +
" new B<String>(new Value<String>(\"[PARAM]\"));\n" +
" }\n" +
"}", // =================
},
"[B.LOCAL_STATIC][B.local_field][I.CONST]",
null,
false,
null,
options,
null);
// check the reference to I.CONST still got generated (for <clinit> invocation side-effect)
String expectedOutput =
" // Method descriptor #28 (LValue;)V\n" +
" // Signature: (LValue<Ljava/lang/String;>;)V\n" +
" // Stack: 2, Locals: 2\n" +
" B(Value param);\n" +
" 0 aload_0 [this]\n" +
" 1 invokespecial java.lang.Object() [30]\n" +
" 4 aload_0 [this]\n" +
" 5 ldc <String \"[B.local_field]\"> [32]\n" +
" 7 invokestatic A.foo(java.lang.String) : Value [17]\n" +
" 10 putfield B.local_field : Value [34]\n" +
" 13 getstatic B.CONST : Value [36]\n" +
" 16 pop\n" +
" 17 getstatic Value.NAME : java.lang.String [39]\n" +
" 20 pop\n" +
" 21 getstatic Value.NAME : java.lang.String [39]\n" +
" 24 pop\n" +
" 25 getstatic Value.NAME : java.lang.String [39]\n" +
" 28 pop\n" +
" 29 return\n" +
" Line numbers:\n" +
" [pc: 0, line: 20]\n" +
" [pc: 4, line: 19]\n" +
" [pc: 13, line: 21]\n" +
" [pc: 21, line: 22]\n" +
" [pc: 25, line: 23]\n" +
" [pc: 29, line: 24]\n" +
" Local variable table:\n" +
" [pc: 0, pc: 30] local: this index: 0 type: B\n" +
" [pc: 0, pc: 30] local: param index: 1 type: Value\n";
File f = new File(OUTPUT_DIR + File.separator + "B.class");
byte[] classFileBytes = org.eclipse.jdt.internal.compiler.util.Util.getFileByteContent(f);
ClassFileBytesDisassembler disassembler = ToolFactory.createDefaultClassFileBytesDisassembler();
String result = disassembler.disassemble(classFileBytes, "\n", ClassFileBytesDisassembler.DETAILED);
int index = result.indexOf(expectedOutput);
if (index == -1 || expectedOutput.length() == 0) {
System.out.println(Util.displayString(result, 3));
}
if (index == -1) {
assertEquals("Wrong contents", expectedOutput, result);
}
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=159245
public void test1041() {
this.runNegativeTest(
new String[] {
"p/X.java",
"package p;\n" +
"\n" +
"public class X<T> {\n" +
" {\n" +
" X rawx = null;\n" +
" X[] rawxs = { rawx };\n" +
" System.out.println(rawxs.length);\n" +
" }\n" +
" {\n" +
" p.X rawx = null;\n" +
" p.X[] rawxs = { rawx };\n" +
" System.out.println(rawxs.length);\n" +
" }\n" +
" Zork z;\n" +
"}", // =================
},
"----------\n" +
"1. WARNING in p\\X.java (at line 5)\n" +
" X rawx = null;\n" +
" ^\n" +
"X is a raw type. References to generic type X<T> should be parameterized\n" +
"----------\n" +
"2. WARNING in p\\X.java (at line 6)\n" +
" X[] rawxs = { rawx };\n" +
" ^\n" +
"X is a raw type. References to generic type X<T> should be parameterized\n" +
"----------\n" +
"3. WARNING in p\\X.java (at line 10)\n" +
" p.X rawx = null;\n" +
" ^^^\n" +
"X is a raw type. References to generic type X<T> should be parameterized\n" +
"----------\n" +
"4. WARNING in p\\X.java (at line 11)\n" +
" p.X[] rawxs = { rawx };\n" +
" ^^^\n" +
"X is a raw type. References to generic type X<T> should be parameterized\n" +
"----------\n" +
"5. ERROR in p\\X.java (at line 14)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=159818
public void test1042() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" public <T extends Object> void foo(T x) {\n" +
" Class<? extends T> c = x.getClass();\n" +
" }\n" +
"}\n", // =================
},
"----------\n" +
"1. ERROR in X.java (at line 3)\n" +
" Class<? extends T> c = x.getClass();\n" +
" ^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Class<capture#1-of ? extends Object> to Class<? extends T>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=159214
public void test1043() {
this.runNegativeTest(
new String[] {
"A.java",
"class A<T extends Number, S extends T> {\n" +
" T t;\n" +
" S s;\n" +
" void test(A<? extends Long, ? extends S> a) {\n" +
" this.t = this.s; //fine\n" +
" a.t = a.s;\n" +
" }\n" +
"}", // =================
},
"----------\n" +
"1. ERROR in A.java (at line 6)\n" +
" a.t = a.s;\n" +
" ^^^\n" +
"Type mismatch: cannot convert from capture#4-of ? extends S to capture#1-of ? extends Long\n" +
"----------\n",
JavacTestOptions.EclipseJustification.EclipseBug159214);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=159214 - variation
public void test1044() {
this.runConformTest(
new String[] {
"X.java",
"class X<T extends Number> {\n" +
" X<? extends Object> x;\n" +
"}", // =================
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=159214 - variation
public void test1045() {
this.runConformTest(
new String[] {
"X.java",
"class X<T extends Number, S extends T> {\n" +
" X<? extends Long,? extends S> x;\n" +
"}",
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=160132
public void test1046() {
this.runConformTest(
new String[] {
"X.java", //========================
"public interface X<E extends Object & X.Entry> {\n" +
" interface Entry {\n" +
" interface Internal extends Entry {\n" +
" Internal createEntry();\n" +
" }\n" +
" }\n" +
"}\n", //========================
"Y.java",
"public class Y implements X.Entry.Internal {\n" +
" public Internal createEntry() {\n" +
" return null;\n" +
" }\n" +
"}\n" , //========================
},
"");
// compile Y against X binary
this.runConformTest(
new String[] {
"Y.java", //========================
"public class Y implements X.Entry.Internal {\n" +
" public Internal createEntry() {\n" +
" return null;\n" +
" }\n" +
"}\n" , //========================
},
"",
null,
false,
null);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=160132 - variation
public void test1047() {
this.runConformTest(
new String[] {
"p/X.java", //========================
"package p;\n" +
"public interface X<E extends Object & X.Entry> {\n" +
" interface Entry {\n" +
" interface Internal extends Entry {\n" +
" Internal createEntry();\n" +
" }\n" +
" }\n" +
"}\n", //========================
"Y.java",
"import p.X.Entry.Internal;\n" +
"public class Y implements Internal {\n" +
" public Internal createEntry() {\n" +
" return null;\n" +
" }\n" +
"}\n" , //========================
},
"");
// compile Y against X binary
this.runConformTest(
new String[] {
"Y.java", //========================
"import p.X.Entry.Internal;\n" +
"public class Y implements Internal {\n" +
" public Internal createEntry() {\n" +
" return null;\n" +
" }\n" +
"}\n" , //========================
},
"",
null,
false,
null);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=160132 - variation
public void test1048() {
this.runConformTest(
new String[] {
"X.java", //========================
"public interface X {\n" +
" static class Entry {\n" +
" static abstract class Internal extends Entry {\n" +
" abstract Internal createEntry();\n" +
" }\n" +
" }\n" +
"}\n", //========================
"Y.java",
"public class Y extends X.Entry.Internal {\n" +
" @Override public Internal createEntry() {\n" +
" return null;\n" +
" }\n" +
"}\n" , //========================
},
"");
// compile Y against X binary
this.runConformTest(
new String[] {
"Y.java", //========================
"public class Y extends X.Entry.Internal {\n" +
" @Override public Internal createEntry() {\n" +
" return null;\n" +
" }\n" +
"}\n" , //========================
},
"",
null,
false,
null);
}
public void test1049() {
this.runConformTest(
new String[] {
"X.java", //========================
"import java.util.*;\n" +
"public class X {\n" +
"}\n" +
"\n" +
"//===================\n" +
"interface FooHandle<T extends Foo<T>> extends BarHandle<T> {}\n" +
"interface Foo<T extends Foo<T>> extends FooHandle<T>, Bar<T> {\n" +
" FooHandle<T> foo();\n" +
"}\n" +
"//===================\n" +
"interface EveHandle<T extends Baz<T>> extends SimpleHandle {}\n" +
"interface Eve<T extends Baz<T>> extends Simple, EveHandle<T> {\n" +
" List<BobHandle> foo();\n" +
" BazHandle<T> handles();\n" +
"}\n" +
"\n" +
"//===================\n" +
"interface BobHandle extends BillHandle {}\n" +
"interface Bob extends BobHandle, Bill {}\n" +
"\n" +
"//===================\n" +
"interface BarHandle<T extends Bar<T>> extends BazHandle<T> {\n" +
" boolean same(BarHandle<?> o);\n" +
"}\n" +
"interface Bar<T extends Bar<T>> extends Baz<T>, BarHandle<T> {\n" +
" BarHandle<T> handle();\n" +
"}\n" +
"\n" +
"//===================\n" +
"interface BazHandle<T extends Baz<T>> {\n" +
" T baz();\n" +
" boolean same(BazHandle<?> o);\n" +
"}\n" +
"interface Baz<T extends Baz<T>> extends BazHandle<T> {\n" +
" BazHandle<T> handle();\n" +
" T baz();\n" +
"}\n" +
"\n" +
"//===================\n" +
"interface BillHandle extends FooHandle<Bill> {}\n" +
"interface Bill extends BillHandle, Foo<Bill> {}\n" +
"\n" +
"//===================\n" +
"interface SimpleHandle extends BazHandle<Simple> {}\n" +
"interface Simple extends Baz<Simple>, SimpleHandle {}\n" +
"\n" +
"//===================\n" +
"interface KeyHandle extends FooHandle<Key> {}\n" +
"interface Key extends Foo<Key>, KeyHandle {}\n" +
"\n" +
"//===================\n" +
"interface ClydeHandle extends BillHandle {}\n" +
"interface Clyde extends ClydeHandle, Bill {\n" +
" void add(BobHandle h);\n" +
" public List<BobHandle> handles();\n" +
"}\n" +
"\n" +
"//===================\n" +
"interface FredHandle<T extends Fred<T>> extends BarHandle<T> {}\n" +
"interface Fred<T extends Fred<T>> extends FredHandle<T>, Bar<T> {}\n" +
"\n", // =================
},
"");
}
public void test1050() {
String expectedOutput =
"xxx\n" +
"true\n" +
"ClassCastException: Object[] cannot be cast to String[]\n" +
"ClassCastException: Object[] cannot be cast to String[]";
this.runConformTest(
new String[] {
"X.java", //========================
"class Container<E> {\n" +
" public Container() {\n" +
" data = (E[]) new Object[100];\n" +
" }\n" +
" protected E[] data;\n" +
" protected int size;\n" +
" E get(int index) {\n" +
" return data[index];\n" +
" }\n" +
" void add(E object) {\n" +
" data[size++] = object;\n" +
" }\n" +
" E[] data() {\n" +
" return data;\n" +
" }\n" +
"}\n" +
"class StringContainer extends Container<String> {\n" +
" public StringContainer() {\n" +
" }\n" +
" public void doSomething() {\n" +
" add(\"xxx\");\n" +
" System.out.println(get(0));\n" +
" System.out.println((\"\" + data()).\n" +
" startsWith(\"[Ljava.lang.Object;@\"));\n" +
" try {\n" +
" System.out.println(data[0]);\n" +
" } catch (ClassCastException e) {\n" +
" System.out.println(\"ClassCastException: Object[] cannot be cast to String[]\");\n" +
" }\n" +
" try {\n" +
" System.out.println(data()[0]);\n" +
" } catch (ClassCastException e) {\n" +
" System.out.println(\"ClassCastException: Object[] cannot be cast to String[]\");\n" +
" }\n" +
" }\n" +
"}\n" +
"public class X {\n" +
" public static void main(String[] args) {\n" +
" StringContainer x = new StringContainer();\n" +
" x.doSomething();\n" +
" }\n" +
"}", // =================
},
expectedOutput);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=114088
public void test1051() {
this.runConformTest(
new String[] {
"X.java",
"import java.util.List;\n" +
"\n" +
"public class X {\n" +
" public interface Intf<N> {\n" +
" void foo(List<Conc<N>.Inner> ls);\n" +
" }\n" +
"\n" +
" public class Conc<N> {\n" +
" Intf<N> impl;\n" +
" public Conc(Intf<N> impl) {\n" +
" this.impl = impl;\n" +
" }\n" +
" public class Inner { }\n" +
"\n" +
" public void bar(List<Conc<N>.Inner> ls) {\n" +
" impl.foo(ls);\n" +
" }\n" +
" }\n" +
"}",
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=115691
public void test1052() {
Map options = getCompilerOptions();
options.put(CompilerOptions.OPTION_ReportUncheckedTypeOperation, CompilerOptions.ERROR);
options.put(CompilerOptions.OPTION_ReportRawTypeReference, CompilerOptions.ERROR);
options.put(CompilerOptions.OPTION_ReportUnnecessaryTypeCheck, CompilerOptions.ERROR);
this.runConformTest(
new String[] {
"X.java",
"public class X extends java.util.ArrayList<Integer> {\n" +
" private static final long serialVersionUID = 713223190582506215L;\n" +
" static void test() {\n" +
" java.util.ArrayList<?> a1 = new X();\n" +
" X b1 = (X) a1;\n" +
" X c1 = X.class.cast(a1);\n" +
" java.util.ArrayList<Integer> a2 = new X();\n" +
" X b2 = (X) a2;\n" +
" }\n" +
"}",
},
"",
null,
true,
null,
options,
null);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=122163
public void test1053() {
this.runConformTest(
new String[] {
"X.java",
"class X<V,R> {\n" +
" class innerclass {\n" +
" void foo() {\n" +
" X<V,R> c = X.this;\n" +
" }\n" +
" }\n" +
"}",
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=142935
public void test1054() {
Map customOptions = getCompilerOptions();
// check no unsafe type operation problem is issued
customOptions.put(CompilerOptions.OPTION_ReportUncheckedTypeOperation, CompilerOptions.IGNORE);
customOptions.put(CompilerOptions.OPTION_ReportRawTypeReference, CompilerOptions.IGNORE);
String expectedOutput =
"----------\n" +
"1. ERROR in X.java (at line 11)\n" +
" Bar bar= clazz.getAnnotation(Bar.class);\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Annotation to Bar\n" +
"----------\n";
this.runNegativeTest(
new String[] {
"X.java",
"import java.lang.annotation.Retention;\n" +
"import java.lang.annotation.RetentionPolicy;\n" +
"import java.lang.reflect.Method;\n" +
"\n" +
"@Bar\n" +
"public class X {\n" +
"\n" +
" @Bar\n" +
" public void bar() throws Exception {\n" +
" Class clazz= X.class;\n" +
" Bar bar= clazz.getAnnotation(Bar.class);\n" +
" Method method= clazz.getMethod(\"bar\");\n" +
" Bar bar2= method.getAnnotation(Bar.class);\n" +
" }\n" +
"}\n" +
"\n" +
"@Retention(RetentionPolicy.RUNTIME)\n" +
"@interface Bar {\n" +
"}",
},
expectedOutput,
null,
true,
customOptions);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=142935
public void test1055() {
this.runConformTest(
new String[] {
"X.java",
"import java.lang.annotation.Retention;\n" +
"import java.lang.annotation.RetentionPolicy;\n" +
"import java.lang.reflect.Method;\n" +
"\n" +
"@Bar\n" +
"public class X {\n" +
"\n" +
" @Bar\n" +
" public void bar() throws Exception {\n" +
" Class<X> clazz= X.class;\n" +
" Bar bar= clazz.getAnnotation(Bar.class);\n" +
" Method method= clazz.getMethod(\"bar\");\n" +
" Bar bar2= method.getAnnotation(Bar.class);\n" +
" }\n" +
"}\n" +
"\n" +
"@Retention(RetentionPolicy.RUNTIME)\n" +
"@interface Bar {\n" +
"}",
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=162400
public void test1056() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" static <T> T foo() {\n" +
" return null;\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" String[] s = { foo() };\n" +
" } \n" +
"}\n",
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=159738
public void test1057() {
this.runConformTest(
new String[] {
"X.java",
"import java.util.Map;\n" +
"\n" +
"class GenericType<E extends Object & Comparable<E> & Map.Entry<String, E>> {\n" +
" public void doSomething(E e) {\n" +
" System.out.println(e.compareTo(e.getValue()));\n" +
" }\n" +
"}\n" +
"class ConcreteType {\n" +
" public void doSomething(Object obj) {\n" +
" System.out.println(((Comparable) obj).compareTo(((Map.Entry) obj).getValue()));\n" +
" }\n" +
"}\n" +
"public class X {\n" +
" public static void main(String[] args) {\n" +
" try {\n" +
" new GenericType().doSomething(\"a1\");\n" +
" } catch (Throwable e) {\n" +
" System.out.print(\"[\" + e.getClass().getSimpleName() + \":1]\");\n" +
" }\n" +
" try {\n" +
" new ConcreteType().doSomething(\"a2\");\n" +
" } catch (Throwable e) {\n" +
" System.out.print(\"[\" + e.getClass().getSimpleName() + \":2]\");\n" +
" }\n" +
" }\n" +
"}\n", // =================,
},
"[ClassCastException:1][ClassCastException:2]");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=141289
public void test1058() throws Exception {
runConformTest(
// test directory preparation
true /* flush output directory */,
new String[] { /* test files */
"X.java", // =================
"public class X {\n" +
" public static void main(String[] args) {\n" +
" try {\n" +
" int foo = 0;\n" +
" String bar = \"zero\";\n" +
" System.out.println((foo != 0 ? foo : bar).compareTo(null));\n" +
" } catch(NullPointerException e) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
" }\n" +
"}", // =================
},
// compiler results
"" /* expected compiler log */,
// runtime results
"SUCCESS" /* expected output string */,
"" /* expected error string */,
// javac options
JavacTestOptions.JavacHasABug.JavacBugFixed_6_10 /* javac test options */);
String expectedOutput =
" // Method descriptor #15 ([Ljava/lang/String;)V\n" +
" // Stack: 3, Locals: 3\n" +
" public static void main(java.lang.String[] args);\n" +
" 0 iconst_0\n" +
" 1 istore_1 [foo]\n" +
" 2 ldc <String \"zero\"> [16]\n" +
" 4 astore_2 [bar]\n" +
" 5 getstatic java.lang.System.out : java.io.PrintStream [18]\n" +
" 8 iload_1 [foo]\n" +
" 9 ifeq 19\n" +
" 12 iload_1 [foo]\n" +
" 13 invokestatic java.lang.Integer.valueOf(int) : java.lang.Integer [24]\n" +
" 16 goto 20\n" +
" 19 aload_2 [bar]\n" +
" 20 aconst_null\n" +
" 21 invokeinterface java.lang.Comparable.compareTo(java.lang.Object) : int [30] [nargs: 2]\n" +
" 26 invokevirtual java.io.PrintStream.println(int) : void [36]\n" +
" 29 goto 41\n" +
" 32 astore_1 [e]\n" +
" 33 getstatic java.lang.System.out : java.io.PrintStream [18]\n" +
" 36 ldc <String \"SUCCESS\"> [42]\n" +
" 38 invokevirtual java.io.PrintStream.println(java.lang.String) : void [44]\n" +
" 41 return\n" +
" Exception Table:\n" +
" [pc: 0, pc: 29] -> 32 when : java.lang.NullPointerException\n" +
" Line numbers:\n" +
" [pc: 0, line: 4]\n" +
" [pc: 2, line: 5]\n" +
" [pc: 5, line: 6]\n" +
" [pc: 29, line: 7]\n" +
" [pc: 33, line: 8]\n" +
" [pc: 41, line: 10]\n" +
" Local variable table:\n" +
" [pc: 0, pc: 42] local: args index: 0 type: java.lang.String[]\n" +
" [pc: 2, pc: 29] local: foo index: 1 type: int\n" +
" [pc: 5, pc: 29] local: bar index: 2 type: java.lang.String\n" +
" [pc: 33, pc: 41] local: e index: 1 type: java.lang.NullPointerException\n";
File f = new File(OUTPUT_DIR + File.separator + "X.class");
byte[] classFileBytes = org.eclipse.jdt.internal.compiler.util.Util.getFileByteContent(f);
ClassFileBytesDisassembler disassembler = ToolFactory.createDefaultClassFileBytesDisassembler();
String result = disassembler.disassemble(classFileBytes, "\n", ClassFileBytesDisassembler.DETAILED);
int index = result.indexOf(expectedOutput);
if (index == -1 || expectedOutput.length() == 0) {
System.out.println(Util.displayString(result, 3));
}
if (index == -1) {
assertEquals("Wrong contents", expectedOutput, result);
}
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=160795
public void test1059() {
this.runNegativeTest(
new String[] {
"A.java", // =================
"class A<T> {\n" +
" <S> S test(A<S> a) {\n" +
" return null;\n" +
" }\n" +
"\n" +
" void m() {\n" +
" A<?> a = null;\n" +
" Number b = test(a);\n" +
" }\n" +
"}", // =================
},
"----------\n" +
"1. ERROR in A.java (at line 8)\n" +
" Number b = test(a);\n" +
" ^^^^^^^\n" +
"Type mismatch: cannot convert from capture#1-of ? to Number\n" +
"----------\n");
}
// See corresponding FIXME in TypeBinding.isTypeArgumentContainedBy(..)
public void test1060() {
runConformTest(
// test directory preparation
new String[] { /* test files */
"X.java", // =================
"import java.util.Collection;\n" +
"import java.util.List;\n" +
"\n" +
"public class X {\n" +
" public static <B> void m(List<? super B> list,Collection<? super B> coll) {\n" +
" m(list,coll);\n" +
" }\n" +
"}", // =================
},
// javac options
JavacTestOptions.JavacHasABug.JavacBugFixed_7 /* javac test options */);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=159752
public void test1061() {
runConformTest(
// test directory preparation
new String[] { /* test files */
"predicate/Predicate.java", // =================
"package predicate;\n" +
"public interface Predicate<T> {\n" +
" public boolean evaluate(T object);\n" +
"}\n" +
"final class AndPredicate<T> implements Predicate<T> {\n" +
" private final Predicate<? super T> iPredicate1;\n" +
" private final Predicate<? super T> iPredicate2;\n" +
" public static <T> Predicate<T> getInstance(Predicate<? super T> predicate1,\n" +
" Predicate<? super T> predicate2) {\n" +
" if (predicate1 == null || predicate2 == null) {\n" +
" throw new IllegalArgumentException(\"Predicate must not be null\");\n" +
" }\n" +
" return new AndPredicate<T>(predicate1, predicate2);\n" +
" }\n" +
" public AndPredicate(Predicate<? super T> predicate1,\n" +
" Predicate<? super T> predicate2) {\n" +
" super();\n" +
" iPredicate1 = predicate1;\n" +
" iPredicate2 = predicate2;\n" +
" }\n" +
" public boolean evaluate(T object) {\n" +
" return iPredicate1.evaluate(object) && iPredicate2.evaluate(object);\n" +
" }\n" +
"}\n" +
"class PredicateUtils {\n" +
"\n" +
" public static <T> Predicate<T> andPredicate(\n" +
" Predicate<? super T> predicate1, Predicate<? super T> predicate2) {\n" +
" return AndPredicate.getInstance(predicate1, predicate2);\n" +
" }\n" +
"}", // =================
},
// javac options
JavacTestOptions.JavacHasABug.JavacBugFixed_7 /* javac test options */);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=148041
public void test1062() {
this.runNegativeTest(
new String[] {
"X.java", // =================
"import java.util.HashSet;\n" +
"import java.util.Iterator;\n" +
"import java.util.Set;\n" +
"\n" +
"public class X {\n" +
" public static void main(String[] args) {\n" +
" Set<X> set = new HashSet<X>();\n" +
" for (Iterator<X> iterator = set.iterator(); iterator.hasNext();) {\n" +
" Set<X> element1 = iterator.next();\n" +
" Set<X> element2 = (Set<X>) iterator.next(); // warning\n" +
" }\n" +
" }\n" +
"}", // =================
},
"----------\n" +
"1. ERROR in X.java (at line 9)\n" +
" Set<X> element1 = iterator.next();\n" +
" ^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from X to Set<X>\n" +
"----------\n" +
"2. WARNING in X.java (at line 10)\n" +
" Set<X> element2 = (Set<X>) iterator.next(); // warning\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from X to Set<X>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=148041 - variation
public void test1063() {
this.runNegativeTest(
new String[] {
"X.java", // =================
"import java.util.HashSet;\n" +
"import java.util.Iterator;\n" +
"import java.util.Set;\n" +
"\n" +
"public class X {\n" +
" public static void main(String[] args) {\n" +
" Set<Cloneable> set = new HashSet<Cloneable>();\n" +
" for (Iterator<Cloneable> iterator = set.iterator(); iterator.hasNext();) {\n" +
" Set<Cloneable> element1 = iterator.next();\n" +
" Set<Cloneable> element2 = (Set<Cloneable>) iterator.next(); // warning\n" +
" }\n" +
" }\n" +
"}", // =================
},
"----------\n" +
"1. ERROR in X.java (at line 9)\n" +
" Set<Cloneable> element1 = iterator.next();\n" +
" ^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Cloneable to Set<Cloneable>\n" +
"----------\n" +
"2. WARNING in X.java (at line 10)\n" +
" Set<Cloneable> element2 = (Set<Cloneable>) iterator.next(); // warning\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from Cloneable to Set<Cloneable>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=148041 - variation
public void test1064() {
this.runNegativeTest(
new String[] {
"X.java", // =================
"import java.util.HashSet;\n" +
"import java.util.Iterator;\n" +
"\n" +
"public class X {\n" +
" public static void main(String[] args) {\n" +
" HashSet<X> set = new HashSet<X>();\n" +
" for (Iterator<X> iterator = set.iterator(); iterator.hasNext();) {\n" +
" HashSet<X> element1 = iterator.next();\n" +
" HashSet<X> element2 = (HashSet<X>) iterator.next();\n" +
" }\n" +
" }\n" +
"}", // =================
},
"----------\n" +
"1. ERROR in X.java (at line 8)\n" +
" HashSet<X> element1 = iterator.next();\n" +
" ^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from X to HashSet<X>\n" +
"----------\n" +
"2. ERROR in X.java (at line 9)\n" +
" HashSet<X> element2 = (HashSet<X>) iterator.next();\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Cannot cast from X to HashSet<X>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=141289 - variation
public void test1065() throws Exception {
runConformTest(
// test directory preparation
true /* flush output directory */,
new String[] { /* test files */
"X.java", // =================
"public class X {\n" +
" void testFoo(boolean t, A a, B b) {\n" +
" System.out.print((t ? a : b).foo());\n" +
" }\n" +
" void testBar(boolean t, A a, B b) {\n" +
" System.out.print((t ? a : b).bar());\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" X x = new X();\n" +
" A a = new A();\n" +
" B b = new B();\n" +
" x.testFoo(true, a, b);\n" +
" x.testFoo(false, a, b);\n" +
" x.testBar(true, a, b);\n" +
" x.testBar(false, a, b);\n" +
" }\n" +
"}\n" +
"interface Foo { String foo(); }\n" +
"interface Bar { String bar(); }\n" +
"class A implements Foo, Bar {\n" +
" public String foo() { return \"[A#foo()]\"; }\n" +
" public String bar() { return \"[A#bar()]\"; }\n" +
"}\n" +
"class B implements Foo, Bar {\n" +
" public String foo() { return \"[B#foo()]\"; }\n" +
" public String bar() { return \"[B#bar()]\"; }\n" +
"}\n", // =================
},
// compiler results
"" /* expected compiler log */,
// runtime results
"[A#foo()][B#foo()][A#bar()][B#bar()]" /* expected output string */,
"" /* expected error string */,
// javac options
JavacTestOptions.JavacHasABug.JavacBugFixed_6_10 /* javac test options */);
// check presence of checkcast in #testFoo() and #testBar()
String expectedOutput = this.complianceLevel == ClassFileConstants.JDK1_5
? " // Method descriptor #15 (ZLA;LB;)V\n" +
" // Stack: 2, Locals: 4\n" +
" void testFoo(boolean t, A a, B b);\n" +
" 0 getstatic java.lang.System.out : java.io.PrintStream [16]\n" +
" 3 iload_1 [t]\n" +
" 4 ifeq 11\n" +
" 7 aload_2 [a]\n" +
" 8 goto 12\n" +
" 11 aload_3 [b]\n" +
" 12 invokeinterface Foo.foo() : java.lang.String [22] [nargs: 1]\n" +
" 17 invokevirtual java.io.PrintStream.print(java.lang.String) : void [28]\n" +
" 20 return\n" +
" Line numbers:\n" +
" [pc: 0, line: 3]\n" +
" [pc: 20, line: 4]\n" +
" Local variable table:\n" +
" [pc: 0, pc: 21] local: this index: 0 type: X\n" +
" [pc: 0, pc: 21] local: t index: 1 type: boolean\n" +
" [pc: 0, pc: 21] local: a index: 2 type: A\n" +
" [pc: 0, pc: 21] local: b index: 3 type: B\n" +
" \n" +
" // Method descriptor #15 (ZLA;LB;)V\n" +
" // Stack: 2, Locals: 4\n" +
" void testBar(boolean t, A a, B b);\n" +
" 0 getstatic java.lang.System.out : java.io.PrintStream [16]\n" +
" 3 iload_1 [t]\n" +
" 4 ifeq 11\n" +
" 7 aload_2 [a]\n" +
" 8 goto 12\n" +
" 11 aload_3 [b]\n" +
" 12 checkcast Bar [41]\n" +
" 15 invokeinterface Bar.bar() : java.lang.String [43] [nargs: 1]\n" +
" 20 invokevirtual java.io.PrintStream.print(java.lang.String) : void [28]\n" +
" 23 return\n" +
" Line numbers:\n" +
" [pc: 0, line: 6]\n" +
" [pc: 23, line: 7]\n" +
" Local variable table:\n" +
" [pc: 0, pc: 24] local: this index: 0 type: X\n" +
" [pc: 0, pc: 24] local: t index: 1 type: boolean\n" +
" [pc: 0, pc: 24] local: a index: 2 type: A\n" +
" [pc: 0, pc: 24] local: b index: 3 type: B\n"
: " // Method descriptor #15 (ZLA;LB;)V\n" +
" // Stack: 2, Locals: 4\n" +
" void testFoo(boolean t, A a, B b);\n" +
" 0 getstatic java.lang.System.out : java.io.PrintStream [16]\n" +
" 3 iload_1 [t]\n" +
" 4 ifeq 11\n" +
" 7 aload_2 [a]\n" +
" 8 goto 12\n" +
" 11 aload_3 [b]\n" +
" 12 invokeinterface Foo.foo() : java.lang.String [22] [nargs: 1]\n" +
" 17 invokevirtual java.io.PrintStream.print(java.lang.String) : void [28]\n" +
" 20 return\n" +
" Line numbers:\n" +
" [pc: 0, line: 3]\n" +
" [pc: 20, line: 4]\n" +
" Local variable table:\n" +
" [pc: 0, pc: 21] local: this index: 0 type: X\n" +
" [pc: 0, pc: 21] local: t index: 1 type: boolean\n" +
" [pc: 0, pc: 21] local: a index: 2 type: A\n" +
" [pc: 0, pc: 21] local: b index: 3 type: B\n" +
" Stack map table: number of frames 2\n" +
" [pc: 11, same_locals_1_stack_item, stack: {java.io.PrintStream}]\n" +
" [pc: 12, full, stack: {java.io.PrintStream, Foo}, locals: {X, int, A, B}]\n" +
" \n" +
" // Method descriptor #15 (ZLA;LB;)V\n" +
" // Stack: 2, Locals: 4\n" +
" void testBar(boolean t, A a, B b);\n" +
" 0 getstatic java.lang.System.out : java.io.PrintStream [16]\n" +
" 3 iload_1 [t]\n" +
" 4 ifeq 11\n" +
" 7 aload_2 [a]\n" +
" 8 goto 12\n" +
" 11 aload_3 [b]\n" +
" 12 checkcast Bar [46]\n" +
" 15 invokeinterface Bar.bar() : java.lang.String [48] [nargs: 1]\n" +
" 20 invokevirtual java.io.PrintStream.print(java.lang.String) : void [28]\n" +
" 23 return\n" +
" Line numbers:\n" +
" [pc: 0, line: 6]\n" +
" [pc: 23, line: 7]\n" +
" Local variable table:\n" +
" [pc: 0, pc: 24] local: this index: 0 type: X\n" +
" [pc: 0, pc: 24] local: t index: 1 type: boolean\n" +
" [pc: 0, pc: 24] local: a index: 2 type: A\n" +
" [pc: 0, pc: 24] local: b index: 3 type: B\n" +
" Stack map table: number of frames 2\n" +
" [pc: 11, same_locals_1_stack_item, stack: {java.io.PrintStream}]\n" +
" [pc: 12, full, stack: {java.io.PrintStream, Foo}, locals: {X, int, A, B}]\n";
File f = new File(OUTPUT_DIR + File.separator + "X.class");
byte[] classFileBytes = org.eclipse.jdt.internal.compiler.util.Util.getFileByteContent(f);
ClassFileBytesDisassembler disassembler = ToolFactory.createDefaultClassFileBytesDisassembler();
String result = disassembler.disassemble(classFileBytes, "\n", ClassFileBytesDisassembler.DETAILED);
int index = result.indexOf(expectedOutput);
if (index == -1 || expectedOutput.length() == 0) {
System.out.println(Util.displayString(result, 3));
}
if (index == -1) {
assertEquals("Wrong contents", expectedOutput, result);
}
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=141289 - variation
public void test1066() throws Exception {
this.runConformTest(
new String[] {
"X.java", // =================
"import java.util.*;\n" +
"public class X {\n" +
" public static void main(String[] args) {\n" +
" X x = new X();\n" +
" List l = new ArrayList();\n" +
" l.add(\"zork\");\n" +
" List<A> la = l;\n" +
" List<B> lb = l;\n" +
" boolean t = true, f = false;\n" +
" try {\n" +
" System.out.print((t ? la.get(0) : lb.get(0)).foo());\n" +
" } catch (Throwable e) {\n" +
" System.out.print(\"[\" + e.getClass().getSimpleName() + \":foo(1)]\");\n" +
" } \n" +
" try {\n" +
" System.out.print((f ? la.get(0) : lb.get(0)).foo());\n" +
" } catch (Throwable e) {\n" +
" System.out.print(\"[\" + e.getClass().getSimpleName() + \":foo(2)]\");\n" +
" } \n" +
" try {\n" +
" System.out.print((t ? la.get(0) : lb.get(0)).bar());\n" +
" } catch (Throwable e) {\n" +
" System.out.print(\"[\" + e.getClass().getSimpleName() + \":bar(1)]\");\n" +
" } \n" +
" try {\n" +
" System.out.print((f ? la.get(0) : lb.get(0)).bar());\n" +
" } catch (Throwable e) {\n" +
" System.out.print(\"[\" + e.getClass().getSimpleName() + \":bar(2)]\");\n" +
" } \n" +
" }\n" +
"}\n" +
"interface Foo { String foo(); }\n" +
"interface Bar { String bar(); }\n" +
"abstract class A implements Foo, Bar { }\n" +
"abstract class B implements Foo, Bar { }\n", // =================
},
"[ClassCastException:foo(1)][ClassCastException:foo(2)][ClassCastException:bar(1)][ClassCastException:bar(2)]");
// check presence of checkcast
String expectedOutput = this.complianceLevel == ClassFileConstants.JDK1_5
? " // Stack: 4, Locals: 8\n" +
" public static void main(java.lang.String[] args);\n" +
" 0 new X [1]\n" +
" 3 dup\n" +
" 4 invokespecial X() [16]\n" +
" 7 astore_1 [x]\n" +
" 8 new java.util.ArrayList [17]\n" +
" 11 dup\n" +
" 12 invokespecial java.util.ArrayList() [19]\n" +
" 15 astore_2 [l]\n" +
" 16 aload_2 [l]\n" +
" 17 ldc <String \"zork\"> [20]\n" +
" 19 invokeinterface java.util.List.add(java.lang.Object) : boolean [22] [nargs: 2]\n" +
" 24 pop\n" +
" 25 aload_2 [l]\n" +
" 26 astore_3 [la]\n" +
" 27 aload_2 [l]\n" +
" 28 astore 4 [lb]\n" +
" 30 iconst_1\n" +
" 31 istore 5 [t]\n" +
" 33 iconst_0\n" +
" 34 istore 6 [f]\n" +
" 36 getstatic java.lang.System.out : java.io.PrintStream [28]\n" +
" 39 iload 5 [t]\n" +
" 41 ifeq 57\n" +
" 44 aload_3 [la]\n" +
" 45 iconst_0\n" +
" 46 invokeinterface java.util.List.get(int) : java.lang.Object [34] [nargs: 2]\n" +
" 51 checkcast Foo [38]\n" +
" 54 goto 68\n" +
" 57 aload 4 [lb]\n" +
" 59 iconst_0\n" +
" 60 invokeinterface java.util.List.get(int) : java.lang.Object [34] [nargs: 2]\n" +
" 65 checkcast Foo [38]\n" +
" 68 invokeinterface Foo.foo() : java.lang.String [40] [nargs: 1]\n" +
" 73 invokevirtual java.io.PrintStream.print(java.lang.String) : void [44]\n" +
" 76 goto 115\n" +
" 79 astore 7 [e]\n" +
" 81 getstatic java.lang.System.out : java.io.PrintStream [28]\n" +
" 84 new java.lang.StringBuilder [50]\n" +
" 87 dup\n" +
" 88 ldc <String \"[\"> [52]\n" +
" 90 invokespecial java.lang.StringBuilder(java.lang.String) [54]\n" +
" 93 aload 7 [e]\n" +
" 95 invokevirtual java.lang.Object.getClass() : java.lang.Class [56]\n" +
" 98 invokevirtual java.lang.Class.getSimpleName() : java.lang.String [60]\n" +
" 101 invokevirtual java.lang.StringBuilder.append(java.lang.String) : java.lang.StringBuilder [65]\n" +
" 104 ldc <String \":foo(1)]\"> [69]\n" +
" 106 invokevirtual java.lang.StringBuilder.append(java.lang.String) : java.lang.StringBuilder [65]\n" +
" 109 invokevirtual java.lang.StringBuilder.toString() : java.lang.String [71]\n" +
" 112 invokevirtual java.io.PrintStream.print(java.lang.String) : void [44]\n" +
" 115 getstatic java.lang.System.out : java.io.PrintStream [28]\n" +
" 118 iload 6 [f]\n" +
" 120 ifeq 136\n" +
" 123 aload_3 [la]\n" +
" 124 iconst_0\n" +
" 125 invokeinterface java.util.List.get(int) : java.lang.Object [34] [nargs: 2]\n" +
" 130 checkcast Foo [38]\n" +
" 133 goto 147\n" +
" 136 aload 4 [lb]\n" +
" 138 iconst_0\n" +
" 139 invokeinterface java.util.List.get(int) : java.lang.Object [34] [nargs: 2]\n" +
" 144 checkcast Foo [38]\n" +
" 147 invokeinterface Foo.foo() : java.lang.String [40] [nargs: 1]\n" +
" 152 invokevirtual java.io.PrintStream.print(java.lang.String) : void [44]\n" +
" 155 goto 194\n" +
" 158 astore 7 [e]\n" +
" 160 getstatic java.lang.System.out : java.io.PrintStream [28]\n" +
" 163 new java.lang.StringBuilder [50]\n" +
" 166 dup\n" +
" 167 ldc <String \"[\"> [52]\n" +
" 169 invokespecial java.lang.StringBuilder(java.lang.String) [54]\n" +
" 172 aload 7 [e]\n" +
" 174 invokevirtual java.lang.Object.getClass() : java.lang.Class [56]\n" +
" 177 invokevirtual java.lang.Class.getSimpleName() : java.lang.String [60]\n" +
" 180 invokevirtual java.lang.StringBuilder.append(java.lang.String) : java.lang.StringBuilder [65]\n" +
" 183 ldc <String \":foo(2)]\"> [74]\n" +
" 185 invokevirtual java.lang.StringBuilder.append(java.lang.String) : java.lang.StringBuilder [65]\n" +
" 188 invokevirtual java.lang.StringBuilder.toString() : java.lang.String [71]\n" +
" 191 invokevirtual java.io.PrintStream.print(java.lang.String) : void [44]\n" +
" 194 getstatic java.lang.System.out : java.io.PrintStream [28]\n" +
" 197 iload 5 [t]\n" +
" 199 ifeq 215\n" +
" 202 aload_3 [la]\n" +
" 203 iconst_0\n" +
" 204 invokeinterface java.util.List.get(int) : java.lang.Object [34] [nargs: 2]\n" +
" 209 checkcast Foo [38]\n" +
" 212 goto 226\n" +
" 215 aload 4 [lb]\n" +
" 217 iconst_0\n" +
" 218 invokeinterface java.util.List.get(int) : java.lang.Object [34] [nargs: 2]\n" +
" 223 checkcast Foo [38]\n" +
" 226 checkcast Bar [76]\n" +
" 229 invokeinterface Bar.bar() : java.lang.String [78] [nargs: 1]\n" +
" 234 invokevirtual java.io.PrintStream.print(java.lang.String) : void [44]\n" +
" 237 goto 276\n" +
" 240 astore 7 [e]\n" +
" 242 getstatic java.lang.System.out : java.io.PrintStream [28]\n" +
" 245 new java.lang.StringBuilder [50]\n" +
" 248 dup\n" +
" 249 ldc <String \"[\"> [52]\n" +
" 251 invokespecial java.lang.StringBuilder(java.lang.String) [54]\n" +
" 254 aload 7 [e]\n" +
" 256 invokevirtual java.lang.Object.getClass() : java.lang.Class [56]\n" +
" 259 invokevirtual java.lang.Class.getSimpleName() : java.lang.String [60]\n" +
" 262 invokevirtual java.lang.StringBuilder.append(java.lang.String) : java.lang.StringBuilder [65]\n" +
" 265 ldc <String \":bar(1)]\"> [81]\n" +
" 267 invokevirtual java.lang.StringBuilder.append(java.lang.String) : java.lang.StringBuilder [65]\n" +
" 270 invokevirtual java.lang.StringBuilder.toString() : java.lang.String [71]\n" +
" 273 invokevirtual java.io.PrintStream.print(java.lang.String) : void [44]\n" +
" 276 getstatic java.lang.System.out : java.io.PrintStream [28]\n" +
" 279 iload 6 [f]\n" +
" 281 ifeq 297\n" +
" 284 aload_3 [la]\n" +
" 285 iconst_0\n" +
" 286 invokeinterface java.util.List.get(int) : java.lang.Object [34] [nargs: 2]\n" +
" 291 checkcast Foo [38]\n" +
" 294 goto 308\n" +
" 297 aload 4 [lb]\n" +
" 299 iconst_0\n" +
" 300 invokeinterface java.util.List.get(int) : java.lang.Object [34] [nargs: 2]\n" +
" 305 checkcast Foo [38]\n" +
" 308 checkcast Bar [76]\n" +
" 311 invokeinterface Bar.bar() : java.lang.String [78] [nargs: 1]\n" +
" 316 invokevirtual java.io.PrintStream.print(java.lang.String) : void [44]\n" +
" 319 goto 358\n" +
" 322 astore 7 [e]\n" +
" 324 getstatic java.lang.System.out : java.io.PrintStream [28]\n" +
" 327 new java.lang.StringBuilder [50]\n" +
" 330 dup\n" +
" 331 ldc <String \"[\"> [52]\n" +
" 333 invokespecial java.lang.StringBuilder(java.lang.String) [54]\n" +
" 336 aload 7 [e]\n" +
" 338 invokevirtual java.lang.Object.getClass() : java.lang.Class [56]\n" +
" 341 invokevirtual java.lang.Class.getSimpleName() : java.lang.String [60]\n" +
" 344 invokevirtual java.lang.StringBuilder.append(java.lang.String) : java.lang.StringBuilder [65]\n" +
" 347 ldc <String \":bar(2)]\"> [83]\n" +
" 349 invokevirtual java.lang.StringBuilder.append(java.lang.String) : java.lang.StringBuilder [65]\n" +
" 352 invokevirtual java.lang.StringBuilder.toString() : java.lang.String [71]\n" +
" 355 invokevirtual java.io.PrintStream.print(java.lang.String) : void [44]\n" +
" 358 return\n" +
" Exception Table:\n" +
" [pc: 36, pc: 76] -> 79 when : java.lang.Throwable\n" +
" [pc: 115, pc: 155] -> 158 when : java.lang.Throwable\n" +
" [pc: 194, pc: 237] -> 240 when : java.lang.Throwable\n" +
" [pc: 276, pc: 319] -> 322 when : java.lang.Throwable\n" +
" Line numbers:\n" +
" [pc: 0, line: 4]\n" +
" [pc: 8, line: 5]\n" +
" [pc: 16, line: 6]\n" +
" [pc: 25, line: 7]\n" +
" [pc: 27, line: 8]\n" +
" [pc: 30, line: 9]\n" +
" [pc: 36, line: 11]\n" +
" [pc: 76, line: 12]\n" +
" [pc: 81, line: 13]\n" +
" [pc: 115, line: 16]\n" +
" [pc: 155, line: 17]\n" +
" [pc: 160, line: 18]\n" +
" [pc: 194, line: 21]\n" +
" [pc: 237, line: 22]\n" +
" [pc: 242, line: 23]\n" +
" [pc: 276, line: 26]\n" +
" [pc: 319, line: 27]\n" +
" [pc: 324, line: 28]\n" +
" [pc: 358, line: 30]\n" +
" Local variable table:\n" +
" [pc: 0, pc: 359] local: args index: 0 type: java.lang.String[]\n" +
" [pc: 8, pc: 359] local: x index: 1 type: X\n" +
" [pc: 16, pc: 359] local: l index: 2 type: java.util.List\n" +
" [pc: 27, pc: 359] local: la index: 3 type: java.util.List\n" +
" [pc: 30, pc: 359] local: lb index: 4 type: java.util.List\n" +
" [pc: 33, pc: 359] local: t index: 5 type: boolean\n" +
" [pc: 36, pc: 359] local: f index: 6 type: boolean\n" +
" [pc: 81, pc: 115] local: e index: 7 type: java.lang.Throwable\n" +
" [pc: 160, pc: 194] local: e index: 7 type: java.lang.Throwable\n" +
" [pc: 242, pc: 276] local: e index: 7 type: java.lang.Throwable\n" +
" [pc: 324, pc: 358] local: e index: 7 type: java.lang.Throwable\n" +
" Local variable type table:\n" +
" [pc: 27, pc: 359] local: la index: 3 type: java.util.List<A>\n" +
" [pc: 30, pc: 359] local: lb index: 4 type: java.util.List<B>\n"
: " // Method descriptor #15 ([Ljava/lang/String;)V\n" +
" // Stack: 4, Locals: 8\n" +
" public static void main(java.lang.String[] args);\n" +
" 0 new X [1]\n" +
" 3 dup\n" +
" 4 invokespecial X() [16]\n" +
" 7 astore_1 [x]\n" +
" 8 new java.util.ArrayList [17]\n" +
" 11 dup\n" +
" 12 invokespecial java.util.ArrayList() [19]\n" +
" 15 astore_2 [l]\n" +
" 16 aload_2 [l]\n" +
" 17 ldc <String \"zork\"> [20]\n" +
" 19 invokeinterface java.util.List.add(java.lang.Object) : boolean [22] [nargs: 2]\n" +
" 24 pop\n" +
" 25 aload_2 [l]\n" +
" 26 astore_3 [la]\n" +
" 27 aload_2 [l]\n" +
" 28 astore 4 [lb]\n" +
" 30 iconst_1\n" +
" 31 istore 5 [t]\n" +
" 33 iconst_0\n" +
" 34 istore 6 [f]\n" +
" 36 getstatic java.lang.System.out : java.io.PrintStream [28]\n" +
" 39 iload 5 [t]\n" +
" 41 ifeq 57\n" +
" 44 aload_3 [la]\n" +
" 45 iconst_0\n" +
" 46 invokeinterface java.util.List.get(int) : java.lang.Object [34] [nargs: 2]\n" +
" 51 checkcast Foo [38]\n" +
" 54 goto 68\n" +
" 57 aload 4 [lb]\n" +
" 59 iconst_0\n" +
" 60 invokeinterface java.util.List.get(int) : java.lang.Object [34] [nargs: 2]\n" +
" 65 checkcast Foo [38]\n" +
" 68 invokeinterface Foo.foo() : java.lang.String [40] [nargs: 1]\n" +
" 73 invokevirtual java.io.PrintStream.print(java.lang.String) : void [44]\n" +
" 76 goto 115\n" +
" 79 astore 7 [e]\n" +
" 81 getstatic java.lang.System.out : java.io.PrintStream [28]\n" +
" 84 new java.lang.StringBuilder [50]\n" +
" 87 dup\n" +
" 88 ldc <String \"[\"> [52]\n" +
" 90 invokespecial java.lang.StringBuilder(java.lang.String) [54]\n" +
" 93 aload 7 [e]\n" +
" 95 invokevirtual java.lang.Object.getClass() : java.lang.Class [56]\n" +
" 98 invokevirtual java.lang.Class.getSimpleName() : java.lang.String [60]\n" +
" 101 invokevirtual java.lang.StringBuilder.append(java.lang.String) : java.lang.StringBuilder [65]\n" +
" 104 ldc <String \":foo(1)]\"> [69]\n" +
" 106 invokevirtual java.lang.StringBuilder.append(java.lang.String) : java.lang.StringBuilder [65]\n" +
" 109 invokevirtual java.lang.StringBuilder.toString() : java.lang.String [71]\n" +
" 112 invokevirtual java.io.PrintStream.print(java.lang.String) : void [44]\n" +
" 115 getstatic java.lang.System.out : java.io.PrintStream [28]\n" +
" 118 iload 6 [f]\n" +
" 120 ifeq 136\n" +
" 123 aload_3 [la]\n" +
" 124 iconst_0\n" +
" 125 invokeinterface java.util.List.get(int) : java.lang.Object [34] [nargs: 2]\n" +
" 130 checkcast Foo [38]\n" +
" 133 goto 147\n" +
" 136 aload 4 [lb]\n" +
" 138 iconst_0\n" +
" 139 invokeinterface java.util.List.get(int) : java.lang.Object [34] [nargs: 2]\n" +
" 144 checkcast Foo [38]\n" +
" 147 invokeinterface Foo.foo() : java.lang.String [40] [nargs: 1]\n" +
" 152 invokevirtual java.io.PrintStream.print(java.lang.String) : void [44]\n" +
" 155 goto 194\n" +
" 158 astore 7 [e]\n" +
" 160 getstatic java.lang.System.out : java.io.PrintStream [28]\n" +
" 163 new java.lang.StringBuilder [50]\n" +
" 166 dup\n" +
" 167 ldc <String \"[\"> [52]\n" +
" 169 invokespecial java.lang.StringBuilder(java.lang.String) [54]\n" +
" 172 aload 7 [e]\n" +
" 174 invokevirtual java.lang.Object.getClass() : java.lang.Class [56]\n" +
" 177 invokevirtual java.lang.Class.getSimpleName() : java.lang.String [60]\n" +
" 180 invokevirtual java.lang.StringBuilder.append(java.lang.String) : java.lang.StringBuilder [65]\n" +
" 183 ldc <String \":foo(2)]\"> [74]\n" +
" 185 invokevirtual java.lang.StringBuilder.append(java.lang.String) : java.lang.StringBuilder [65]\n" +
" 188 invokevirtual java.lang.StringBuilder.toString() : java.lang.String [71]\n" +
" 191 invokevirtual java.io.PrintStream.print(java.lang.String) : void [44]\n" +
" 194 getstatic java.lang.System.out : java.io.PrintStream [28]\n" +
" 197 iload 5 [t]\n" +
" 199 ifeq 215\n" +
" 202 aload_3 [la]\n" +
" 203 iconst_0\n" +
" 204 invokeinterface java.util.List.get(int) : java.lang.Object [34] [nargs: 2]\n" +
" 209 checkcast Foo [38]\n" +
" 212 goto 226\n" +
" 215 aload 4 [lb]\n" +
" 217 iconst_0\n" +
" 218 invokeinterface java.util.List.get(int) : java.lang.Object [34] [nargs: 2]\n" +
" 223 checkcast Foo [38]\n" +
" 226 checkcast Bar [76]\n" +
" 229 invokeinterface Bar.bar() : java.lang.String [78] [nargs: 1]\n" +
" 234 invokevirtual java.io.PrintStream.print(java.lang.String) : void [44]\n" +
" 237 goto 276\n" +
" 240 astore 7 [e]\n" +
" 242 getstatic java.lang.System.out : java.io.PrintStream [28]\n" +
" 245 new java.lang.StringBuilder [50]\n" +
" 248 dup\n" +
" 249 ldc <String \"[\"> [52]\n" +
" 251 invokespecial java.lang.StringBuilder(java.lang.String) [54]\n" +
" 254 aload 7 [e]\n" +
" 256 invokevirtual java.lang.Object.getClass() : java.lang.Class [56]\n" +
" 259 invokevirtual java.lang.Class.getSimpleName() : java.lang.String [60]\n" +
" 262 invokevirtual java.lang.StringBuilder.append(java.lang.String) : java.lang.StringBuilder [65]\n" +
" 265 ldc <String \":bar(1)]\"> [81]\n" +
" 267 invokevirtual java.lang.StringBuilder.append(java.lang.String) : java.lang.StringBuilder [65]\n" +
" 270 invokevirtual java.lang.StringBuilder.toString() : java.lang.String [71]\n" +
" 273 invokevirtual java.io.PrintStream.print(java.lang.String) : void [44]\n" +
" 276 getstatic java.lang.System.out : java.io.PrintStream [28]\n" +
" 279 iload 6 [f]\n" +
" 281 ifeq 297\n" +
" 284 aload_3 [la]\n" +
" 285 iconst_0\n" +
" 286 invokeinterface java.util.List.get(int) : java.lang.Object [34] [nargs: 2]\n" +
" 291 checkcast Foo [38]\n" +
" 294 goto 308\n" +
" 297 aload 4 [lb]\n" +
" 299 iconst_0\n" +
" 300 invokeinterface java.util.List.get(int) : java.lang.Object [34] [nargs: 2]\n" +
" 305 checkcast Foo [38]\n" +
" 308 checkcast Bar [76]\n" +
" 311 invokeinterface Bar.bar() : java.lang.String [78] [nargs: 1]\n" +
" 316 invokevirtual java.io.PrintStream.print(java.lang.String) : void [44]\n" +
" 319 goto 358\n" +
" 322 astore 7 [e]\n" +
" 324 getstatic java.lang.System.out : java.io.PrintStream [28]\n" +
" 327 new java.lang.StringBuilder [50]\n" +
" 330 dup\n" +
" 331 ldc <String \"[\"> [52]\n" +
" 333 invokespecial java.lang.StringBuilder(java.lang.String) [54]\n" +
" 336 aload 7 [e]\n" +
" 338 invokevirtual java.lang.Object.getClass() : java.lang.Class [56]\n" +
" 341 invokevirtual java.lang.Class.getSimpleName() : java.lang.String [60]\n" +
" 344 invokevirtual java.lang.StringBuilder.append(java.lang.String) : java.lang.StringBuilder [65]\n" +
" 347 ldc <String \":bar(2)]\"> [83]\n" +
" 349 invokevirtual java.lang.StringBuilder.append(java.lang.String) : java.lang.StringBuilder [65]\n" +
" 352 invokevirtual java.lang.StringBuilder.toString() : java.lang.String [71]\n" +
" 355 invokevirtual java.io.PrintStream.print(java.lang.String) : void [44]\n" +
" 358 return\n" +
" Exception Table:\n" +
" [pc: 36, pc: 76] -> 79 when : java.lang.Throwable\n" +
" [pc: 115, pc: 155] -> 158 when : java.lang.Throwable\n" +
" [pc: 194, pc: 237] -> 240 when : java.lang.Throwable\n" +
" [pc: 276, pc: 319] -> 322 when : java.lang.Throwable\n" +
" Line numbers:\n" +
" [pc: 0, line: 4]\n" +
" [pc: 8, line: 5]\n" +
" [pc: 16, line: 6]\n" +
" [pc: 25, line: 7]\n" +
" [pc: 27, line: 8]\n" +
" [pc: 30, line: 9]\n" +
" [pc: 36, line: 11]\n" +
" [pc: 76, line: 12]\n" +
" [pc: 81, line: 13]\n" +
" [pc: 115, line: 16]\n" +
" [pc: 155, line: 17]\n" +
" [pc: 160, line: 18]\n" +
" [pc: 194, line: 21]\n" +
" [pc: 237, line: 22]\n" +
" [pc: 242, line: 23]\n" +
" [pc: 276, line: 26]\n" +
" [pc: 319, line: 27]\n" +
" [pc: 324, line: 28]\n" +
" [pc: 358, line: 30]\n" +
" Local variable table:\n" +
" [pc: 0, pc: 359] local: args index: 0 type: java.lang.String[]\n" +
" [pc: 8, pc: 359] local: x index: 1 type: X\n" +
" [pc: 16, pc: 359] local: l index: 2 type: java.util.List\n" +
" [pc: 27, pc: 359] local: la index: 3 type: java.util.List\n" +
" [pc: 30, pc: 359] local: lb index: 4 type: java.util.List\n" +
" [pc: 33, pc: 359] local: t index: 5 type: boolean\n" +
" [pc: 36, pc: 359] local: f index: 6 type: boolean\n" +
" [pc: 81, pc: 115] local: e index: 7 type: java.lang.Throwable\n" +
" [pc: 160, pc: 194] local: e index: 7 type: java.lang.Throwable\n" +
" [pc: 242, pc: 276] local: e index: 7 type: java.lang.Throwable\n" +
" [pc: 324, pc: 358] local: e index: 7 type: java.lang.Throwable\n" +
" Local variable type table:\n" +
" [pc: 27, pc: 359] local: la index: 3 type: java.util.List<A>\n" +
" [pc: 30, pc: 359] local: lb index: 4 type: java.util.List<B>\n" +
" Stack map table: number of frames 16\n" +
" [pc: 57, full, stack: {java.io.PrintStream}, locals: {java.lang.String[], X, java.util.List, java.util.List, java.util.List, int, int}]\n" +
" [pc: 68, full, stack: {java.io.PrintStream, Foo}, locals: {java.lang.String[], X, java.util.List, java.util.List, java.util.List, int, int}]\n" +
" [pc: 79, same_locals_1_stack_item, stack: {java.lang.Throwable}]\n" +
" [pc: 115, same]\n" +
" [pc: 136, same_locals_1_stack_item, stack: {java.io.PrintStream}]\n" +
" [pc: 147, full, stack: {java.io.PrintStream, Foo}, locals: {java.lang.String[], X, java.util.List, java.util.List, java.util.List, int, int}]\n" +
" [pc: 158, same_locals_1_stack_item, stack: {java.lang.Throwable}]\n" +
" [pc: 194, same]\n" +
" [pc: 215, same_locals_1_stack_item, stack: {java.io.PrintStream}]\n" +
" [pc: 226, full, stack: {java.io.PrintStream, Foo}, locals: {java.lang.String[], X, java.util.List, java.util.List, java.util.List, int, int}]\n" +
" [pc: 240, same_locals_1_stack_item, stack: {java.lang.Throwable}]\n" +
" [pc: 276, same]\n" +
" [pc: 297, same_locals_1_stack_item, stack: {java.io.PrintStream}]\n" +
" [pc: 308, full, stack: {java.io.PrintStream, Foo}, locals: {java.lang.String[], X, java.util.List, java.util.List, java.util.List, int, int}]\n" +
" [pc: 322, same_locals_1_stack_item, stack: {java.lang.Throwable}]\n" +
" [pc: 358, same]\n";
File f = new File(OUTPUT_DIR + File.separator + "X.class");
byte[] classFileBytes = org.eclipse.jdt.internal.compiler.util.Util.getFileByteContent(f);
ClassFileBytesDisassembler disassembler = ToolFactory.createDefaultClassFileBytesDisassembler();
String result = disassembler.disassemble(classFileBytes, "\n", ClassFileBytesDisassembler.DETAILED);
int index = result.indexOf(expectedOutput);
if (index == -1 || expectedOutput.length() == 0) {
System.out.println(Util.displayString(result, 3));
}
if (index == -1) {
assertEquals("Wrong contents", expectedOutput, result);
}
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=162991
// using only source types
public void test1067() {
this.runConformTest(
new String[] {
"Something.java",
"public interface Something {\n" +
"\n" +
"}", // =================
"Doing.java", // =================
"public interface Doing {\n" +
" public <S extends Something, T extends S> T get(Class<S> clazz);\n" +
"}", // =================
"DoingImpl.java", // =================
"public class DoingImpl implements Doing {\n" +
" public <S extends Something, T extends S> T get(Class<S> clazz) {\n" +
" return null;\n" +
" }\n" +
"}" // =================
},
"");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=162991
// using source and binary types
public void test1068() {
this.runConformTest(
new String[] {
"Something.java",
"public interface Something {\n" +
"\n" +
"}", // =================
"Doing.java", // =================
"public interface Doing {\n" +
" public <S extends Something, T extends S> T get(Class<S> clazz);\n" +
"}", // =================
},
"");
this.runConformTest(
new String[] {
"DoingImpl.java", // =================
"public class DoingImpl implements Doing {\n" +
" public <S extends Something, T extends S> T get(Class<S> clazz) {\n" +
" return null;\n" +
" }\n" +
"}" // =================
},
"",
null,
false,
null);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=163262
public void test1069() {
this.runConformTest(
new String[] {
"Bug.java", // =================
"public class Bug<A> {\n" +
" void bug() {\n" +
" new Runnable() {\n" +
" public void run() {\n" +
" Bug<A> bug = Bug.this;\n" +
" }\n" +
" };\n" +
" }\n" +
"}",
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=163262
public void test1070() {
this.runConformTest(
new String[] {
"Bug.java", // =================
"public class Bug<A> {\n" +
" Bug<A> reproduce() {\n" +
" return Bug.this;\n" +
" }\n" +
"}",
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=159939
public void test1071() {
this.runNegativeTest(
new String[] {
"X.java", // =================
"import java.util.*;\n" +
"public class X {\n" +
" List<void[]> x = null;\n" +
" void[] y;\n" +
" void[] foo(void[] arg) {\n" +
" void[] local;\n" +
" }\n" +
"}",
},
"----------\n" +
"1. ERROR in X.java (at line 3)\n" +
" List<void[]> x = null;\n" +
" ^^^^^^\n" +
"void[] is an invalid type\n" +
"----------\n" +
"2. ERROR in X.java (at line 4)\n" +
" void[] y;\n" +
" ^^^^^^\n" +
"void[] is an invalid type\n" +
"----------\n" +
"3. ERROR in X.java (at line 5)\n" +
" void[] foo(void[] arg) {\n" +
" ^^^^^^\n" +
"void[] is an invalid type\n" +
"----------\n" +
"4. ERROR in X.java (at line 5)\n" +
" void[] foo(void[] arg) {\n" +
" ^^^^^^\n" +
"void[] is an invalid type\n" +
"----------\n" +
"5. ERROR in X.java (at line 6)\n" +
" void[] local;\n" +
" ^^^^^^\n" +
"void[] is an invalid type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=159939
public void test1072() {
Map options = getCompilerOptions();
options.put(CompilerOptions.OPTION_ReportRawTypeReference, CompilerOptions.IGNORE);
this.runNegativeTest(
new String[] {
"X.java", // =================
"import java.util.*;\n" +
"public class X {\n" +
" List<void[]> x = null;\n" +
" void[] y;\n" +
" void[] foo(void[] arg) {\n" +
" void[] local;\n" +
" Class c = void[].class;\n" +
" }\n" +
"}",
},
"----------\n" +
"1. ERROR in X.java (at line 3)\n" +
" List<void[]> x = null;\n" +
" ^^^^^^\n" +
"void[] is an invalid type\n" +
"----------\n" +
"2. ERROR in X.java (at line 4)\n" +
" void[] y;\n" +
" ^^^^^^\n" +
"void[] is an invalid type\n" +
"----------\n" +
"3. ERROR in X.java (at line 5)\n" +
" void[] foo(void[] arg) {\n" +
" ^^^^^^\n" +
"void[] is an invalid type\n" +
"----------\n" +
"4. ERROR in X.java (at line 5)\n" +
" void[] foo(void[] arg) {\n" +
" ^^^^^^\n" +
"void[] is an invalid type\n" +
"----------\n" +
"5. ERROR in X.java (at line 6)\n" +
" void[] local;\n" +
" ^^^^^^\n" +
"void[] is an invalid type\n" +
"----------\n" +
"6. ERROR in X.java (at line 7)\n" +
" Class c = void[].class;\n" +
" ^^^^^^\n" +
"void[] is an invalid type\n" +
"----------\n",
null,
true,
options);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=159939
public void test1073() {
Map options = getCompilerOptions();
options.put(CompilerOptions.OPTION_ReportRawTypeReference, CompilerOptions.IGNORE);
this.runNegativeTest(
new String[] {
"X.java", // =================
"import java.util.*;\n" +
"public class X {\n" +
" List<void[]> x = null;\n" +
" void[] y;\n" +
" void[] foo(void[] arg) {\n" +
" try {\n" +
" void[] local;\n" +
" Class c = void[].class;\n" +
" } catch(void[] e) {\n" +
" }\n" +
" }\n" +
"}",
},
"----------\n" +
"1. ERROR in X.java (at line 3)\n" +
" List<void[]> x = null;\n" +
" ^^^^^^\n" +
"void[] is an invalid type\n" +
"----------\n" +
"2. ERROR in X.java (at line 4)\n" +
" void[] y;\n" +
" ^^^^^^\n" +
"void[] is an invalid type\n" +
"----------\n" +
"3. ERROR in X.java (at line 5)\n" +
" void[] foo(void[] arg) {\n" +
" ^^^^^^\n" +
"void[] is an invalid type\n" +
"----------\n" +
"4. ERROR in X.java (at line 5)\n" +
" void[] foo(void[] arg) {\n" +
" ^^^^^^\n" +
"void[] is an invalid type\n" +
"----------\n" +
"5. ERROR in X.java (at line 7)\n" +
" void[] local;\n" +
" ^^^^^^\n" +
"void[] is an invalid type\n" +
"----------\n" +
"6. ERROR in X.java (at line 8)\n" +
" Class c = void[].class;\n" +
" ^^^^^^\n" +
"void[] is an invalid type\n" +
"----------\n" +
"7. ERROR in X.java (at line 9)\n" +
" } catch(void[] e) {\n" +
" ^^^^^^\n" +
"void[] is an invalid type\n" +
"----------\n",
null,
true,
options);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=159939
public void test1074() {
Map options = getCompilerOptions();
options.put(CompilerOptions.OPTION_ReportRawTypeReference, CompilerOptions.IGNORE);
this.runNegativeTest(
new String[] {
"X.java", // =================
"import java.util.*;\n" +
"public class X {\n" +
" List<void[]> x = null;\n" +
" void[] y;\n" +
" void[] foo(void[] arg) {\n" +
" try {\n" +
" void[] local = new void[0];\n" +
" void[] local1 = new void[]{ null, null };\n" +
" void[] local2 = { null, null };\n" +
" System.out.println((void[]) null);\n" +
" Class c = void[].class;\n" +
" } catch(void[] e) {\n" +
" }\n" +
" }\n" +
"}",
},
"----------\n" +
"1. ERROR in X.java (at line 3)\n" +
" List<void[]> x = null;\n" +
" ^^^^^^\n" +
"void[] is an invalid type\n" +
"----------\n" +
"2. ERROR in X.java (at line 4)\n" +
" void[] y;\n" +
" ^^^^^^\n" +
"void[] is an invalid type\n" +
"----------\n" +
"3. ERROR in X.java (at line 5)\n" +
" void[] foo(void[] arg) {\n" +
" ^^^^^^\n" +
"void[] is an invalid type\n" +
"----------\n" +
"4. ERROR in X.java (at line 5)\n" +
" void[] foo(void[] arg) {\n" +
" ^^^^^^\n" +
"void[] is an invalid type\n" +
"----------\n" +
"5. ERROR in X.java (at line 7)\n" +
" void[] local = new void[0];\n" +
" ^^^^^^\n" +
"void[] is an invalid type\n" +
"----------\n" +
"6. ERROR in X.java (at line 7)\n" +
" void[] local = new void[0];\n" +
" ^^^^^^^^^^^\n" +
"void[] is an invalid type\n" +
"----------\n" +
"7. ERROR in X.java (at line 8)\n" +
" void[] local1 = new void[]{ null, null };\n" +
" ^^^^^^\n" +
"void[] is an invalid type\n" +
"----------\n" +
"8. ERROR in X.java (at line 8)\n" +
" void[] local1 = new void[]{ null, null };\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"void[] is an invalid type\n" +
"----------\n" +
"9. ERROR in X.java (at line 9)\n" +
" void[] local2 = { null, null };\n" +
" ^^^^^^\n" +
"void[] is an invalid type\n" +
"----------\n" +
"10. ERROR in X.java (at line 10)\n" +
" System.out.println((void[]) null);\n" +
" ^^^^^^\n" +
"void[] is an invalid type\n" +
"----------\n" +
"11. ERROR in X.java (at line 11)\n" +
" Class c = void[].class;\n" +
" ^^^^^^\n" +
"void[] is an invalid type\n" +
"----------\n" +
"12. ERROR in X.java (at line 12)\n" +
" } catch(void[] e) {\n" +
" ^^^^^^\n" +
"void[] is an invalid type\n" +
"----------\n",
null,
true,
options);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=163680
public void test1075() {
runConformTest(
// test directory preparation
new String[] { /* test files */
"X.java",
"public class X <T extends X<?>.J>{\n" +
" public class J implements I<T>{}\n" +
"}\n",
"I.java",
"public interface I <T> {}\n",
"Y.java",
"public class Y extends X {}\n",
},
// runtime results
"" /* expected output string */);
runConformTest(
// test directory preparation
false /* do not flush output directory */,
new String[] {
"Y.java",
"public class Y extends X {}",
},
// compiler results
null /* do not check compiler log */,
// runtime results
"" /* expected output string */,
"" /* expected error string */,
// javac options
JavacTestOptions.JavacHasABug.JavacBugFixed_6_10 /* javac test options */);
}
// FAIL ERRMSG
public void test1076() {
if (this.complianceLevel >= ClassFileConstants.JDK1_8)
return;
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.List;\n" +
"public class X {\n" +
" List<Thread> threads;\n" +
" void foo(String[] strings) {}\n" +
" void bar() {\n" +
" foo(this.threads.toArray(new String[this.threads.size()]));\n" +
" foo(myToArray(this.threads, new String[this.threads.size()]));\n" +
" foo(myToArray2(this.threads, new String[this.threads.size()]));\n" +
" }\n" +
" \n" +
" static <T, E> T[] myToArray(List<E> list, T[] a) {\n" +
" return list.toArray(a);\n" +
" }\n" +
" static <T, E extends T> T[] myToArray2(List<E> list, T[] a) {\n" +
" return list.toArray(a);\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 8)\n" +
" foo(myToArray2(this.threads, new String[this.threads.size()]));\n" +
" ^^^^^^^^^^\n" +
"Bound mismatch: The generic method myToArray2(List<E>, T[]) of type X is not applicable for the arguments (List<Thread>, String[]). The inferred type Thread is not a valid substitute for the bounded parameter <E extends T>\n" +
"----------\n");
}
// check presence of field hiding warning
public void test1077() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" static class Y<T> {\n" +
" static int foo;\n" +
" }\n" +
" static class Z<U> extends Y<U> {\n" +
" int foo;\n" +
" {\n" +
" foo = 1;\n" +
" }\n" +
" }\n" +
" Zork z;\n" +
"}\n" +
"\n",
},
"----------\n" +
"1. WARNING in X.java (at line 6)\n" +
" int foo;\n" +
" ^^^\n" +
"The field X.Z<U>.foo is hiding a field from type X.Y<U>\n" +
"----------\n" +
"2. ERROR in X.java (at line 11)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=165143
public void test1078() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.List;\n" +
"import java.util.Map;\n" +
"\n" +
"public class X \n" +
"{\n" +
" public static void main(String[] args)\n" +
" {\n" +
" Object object = null;\n" +
"\n" +
" List list = (List)object;//[1]\n" +
"\n" +
" foo((List)object);//[2]\n" +
" foo((List<?>)object);//[3]\n" +
" foo((List<Object>)object);//[4]unchecked cast\n" +
" foo((List<? extends Object>)object);//[5]\n" +
"\n" +
" foo((Map)object);//[6]\n" +
" foo((Map<?, ?>)object);//[7]\n" +
" foo((Map<Object, ?>)object);//[8]unchecked cast\n" +
" foo((Map<?, Object>)object);//[9]unchecked cast\n" +
" foo((Map<Object, Object>)object);//[10]unchecked cast\n" +
" foo((Map<? extends Object, Object>)object);//[11]unchecked cast\n" +
" foo((Map<? extends Object, ? extends Object>)object);//[12]\n" +
" Zork z;\n" +
" }\n" +
"\n" +
" public static void foo(List<?> list) {\n" +
" }\n" +
"\n" +
" public static void foo(Map<?, ?> map) {\n" +
" }\n" +
"}", // =================,
},
// unchecked warnings on [4][5][8][9][10][11][12]
"----------\n" +
"1. WARNING in X.java (at line 10)\n" +
" List list = (List)object;//[1]\n" +
" ^^^^\n" +
"List is a raw type. References to generic type List<E> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 10)\n" +
" List list = (List)object;//[1]\n" +
" ^^^^\n" +
"List is a raw type. References to generic type List<E> should be parameterized\n" +
"----------\n" +
"3. WARNING in X.java (at line 12)\n" +
" foo((List)object);//[2]\n" +
" ^^^^\n" +
"List is a raw type. References to generic type List<E> should be parameterized\n" +
"----------\n" +
"4. WARNING in X.java (at line 14)\n" +
" foo((List<Object>)object);//[4]unchecked cast\n" +
" ^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from Object to List<Object>\n" +
"----------\n" +
"5. WARNING in X.java (at line 15)\n" +
" foo((List<? extends Object>)object);//[5]\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from Object to List<? extends Object>\n" +
"----------\n" +
"6. WARNING in X.java (at line 17)\n" +
" foo((Map)object);//[6]\n" +
" ^^^\n" +
"Map is a raw type. References to generic type Map<K,V> should be parameterized\n" +
"----------\n" +
"7. WARNING in X.java (at line 19)\n" +
" foo((Map<Object, ?>)object);//[8]unchecked cast\n" +
" ^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from Object to Map<Object,?>\n" +
"----------\n" +
"8. WARNING in X.java (at line 20)\n" +
" foo((Map<?, Object>)object);//[9]unchecked cast\n" +
" ^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from Object to Map<?,Object>\n" +
"----------\n" +
"9. WARNING in X.java (at line 21)\n" +
" foo((Map<Object, Object>)object);//[10]unchecked cast\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from Object to Map<Object,Object>\n" +
"----------\n" +
"10. WARNING in X.java (at line 22)\n" +
" foo((Map<? extends Object, Object>)object);//[11]unchecked cast\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from Object to Map<? extends Object,Object>\n" +
"----------\n" +
"11. WARNING in X.java (at line 23)\n" +
" foo((Map<? extends Object, ? extends Object>)object);//[12]\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from Object to Map<? extends Object,? extends Object>\n" +
"----------\n" +
"12. ERROR in X.java (at line 24)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=165143 - variation
public void test1079() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<E> {\n" +
" X<? extends String> bar(Object o) {\n" +
" return (AX<? extends String>) o;\n" +
" Zork z;\n" +
" }\n" +
"}\n" +
"class AX<F> extends X<F> {}\n", // =================,
},
"----------\n" +
"1. WARNING in X.java (at line 3)\n" +
" return (AX<? extends String>) o;\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from Object to AX<? extends String>\n" +
"----------\n" +
"2. ERROR in X.java (at line 4)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=165143 - variation
public void test1080() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<E> {\n" +
" CX<E> foo(X<String> x) {\n" +
" return (CX<E>) x; // unchecked\n" +
" }\n" +
" BX bar(X<String> x) {\n" +
" return (BX) x;\n" +
" }\n" +
" Zork z;\n" +
"}\n" +
"class AX<F> extends X<F> {}\n" +
"class BX extends AX<String> {}\n" +
"class CX<G> extends AX<String> {}\n", // =================,
},
"----------\n" +
"1. WARNING in X.java (at line 3)\n" +
" return (CX<E>) x; // unchecked\n" +
" ^^^^^^^^^\n" +
"Type safety: Unchecked cast from X<String> to CX<E>\n" +
"----------\n" +
"2. ERROR in X.java (at line 8)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=165143 - variation
public void test1081() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<E> {\n" +
" AX<Object> foo(X<String> x) {\n" +
" return (BX) x;\n" +
" }\n" +
"}\n" +
"class AX<F> extends X<F> {}\n" +
"class BX extends AX<Object> {}\n", // =================,
},
"----------\n" +
"1. ERROR in X.java (at line 3)\n" +
" return (BX) x;\n" +
" ^^^^^^\n" +
"Cannot cast from X<String> to BX\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=165143 - variation
public void test1082() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<E> {\n" +
" CX<E> foo(X<String> x) {\n" +
" return (CX<E>) x; // unchecked\n" +
" }\n" +
" Zork z;\n" +
"}\n" +
"class AX<F> extends X<F> {}\n" +
"class CX<G> extends AX {}\n", // =================,
},
"----------\n" +
"1. WARNING in X.java (at line 3)\n" +
" return (CX<E>) x; // unchecked\n" +
" ^^^^^^^^^\n" +
"Type safety: Unchecked cast from X<String> to CX<E>\n" +
"----------\n" +
"2. ERROR in X.java (at line 5)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n" +
"3. WARNING in X.java (at line 8)\n" +
" class CX<G> extends AX {}\n" +
" ^^\n" +
"AX is a raw type. References to generic type AX<F> should be parameterized\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=106451 - variation
public void test1083() {
this.runNegativeTest(
new String[] {
"X.java", // =================
"import java.io.Serializable;\n" +
"import java.util.LinkedList;\n" +
"\n" +
"class SerializableList extends LinkedList<Serializable> {\n" +
" private static final long serialVersionUID = 1L; \n" +
"}\n" +
"public class X {\n" +
" @SuppressWarnings({\"nls\", \"unused\"})\n" +
" public static void main(String[] args) {\n" +
" LinkedList<String> linkedList= new LinkedList<String>();\n" +
" linkedList.add(\"Hello\");\n" +
" java.util.List<? extends Serializable> a = linkedList;\n" +
" java.util.List<String> b = (LinkedList<String>) a; // unchecked\n" +
" java.util.List<Integer> c = (LinkedList<Integer>) a; // unchecked\n" +
" java.util.List<Runtime> d = (LinkedList<Runtime>) a; // inconvertible / unchecked ?\n" +
" c.get(0).intValue(); // fails at run time\n" +
" d.get(0).gc(); // fails at run time\n" +
" Zork z;\n" +
" }\n" +
"}\n", // =================
},
"----------\n" +
"1. WARNING in X.java (at line 13)\n" +
" java.util.List<String> b = (LinkedList<String>) a; // unchecked\n" +
" ^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from List<capture#1-of ? extends Serializable> to LinkedList<String>\n" +
"----------\n" +
"2. WARNING in X.java (at line 14)\n" +
" java.util.List<Integer> c = (LinkedList<Integer>) a; // unchecked\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from List<capture#2-of ? extends Serializable> to LinkedList<Integer>\n" +
"----------\n" +
"3. WARNING in X.java (at line 15)\n" +
" java.util.List<Runtime> d = (LinkedList<Runtime>) a; // inconvertible / unchecked ?\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from List<capture#3-of ? extends Serializable> to LinkedList<Runtime>\n" +
"----------\n" +
"4. ERROR in X.java (at line 18)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=158870
public void test1084() {
this.runNegativeTest(
new String[] {
"X.java",
"class Y<T> {\n" +
"}\n" +
"class Z<T> {\n" +
"}\n" +
"class X {\n" +
" void foo() {\n" +
" Z<Y<?>> l1 = null;\n" +
" Z<Y> l2 = (Z<Y>) l1;\n" +
" }\n" +
"}",
},
"----------\n" +
"1. WARNING in X.java (at line 8)\n" +
" Z<Y> l2 = (Z<Y>) l1;\n" +
" ^\n" +
"Y is a raw type. References to generic type Y<T> should be parameterized\n" +
"----------\n" +
"2. ERROR in X.java (at line 8)\n" +
" Z<Y> l2 = (Z<Y>) l1;\n" +
" ^^^^^^^^^\n" +
"Cannot cast from Z<Y<?>> to Z<Y>\n" +
"----------\n" +
"3. WARNING in X.java (at line 8)\n" +
" Z<Y> l2 = (Z<Y>) l1;\n" +
" ^\n" +
"Y is a raw type. References to generic type Y<T> should be parameterized\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=165291
public void test1085() {
this.runNegativeTest(
new String[] {
"Y.java",
"class Z {\n" +
" Z z1 = z1;\n" +
" Z[] z2 = z2;\n" +
"}\n" +
"public class Y<E> {\n" +
" E e0 = es[0];\n" +
" E e = e;\n" +
" E[] es = es;\n" +
" E e2 = e2.e;\n" +
"}", // =================
},
"----------\n" +
"1. ERROR in Y.java (at line 2)\n" +
" Z z1 = z1;\n" +
" ^^\n" +
"Cannot reference a field before it is defined\n" +
"----------\n" +
"2. ERROR in Y.java (at line 3)\n" +
" Z[] z2 = z2;\n" +
" ^^\n" +
"Cannot reference a field before it is defined\n" +
"----------\n" +
"3. ERROR in Y.java (at line 6)\n" +
" E e0 = es[0];\n" +
" ^^\n" +
"Cannot reference a field before it is defined\n" +
"----------\n" +
"4. ERROR in Y.java (at line 7)\n" +
" E e = e;\n" +
" ^\n" +
"Cannot reference a field before it is defined\n" +
"----------\n" +
"5. ERROR in Y.java (at line 8)\n" +
" E[] es = es;\n" +
" ^^\n" +
"Cannot reference a field before it is defined\n" +
"----------\n" +
"6. ERROR in Y.java (at line 9)\n" +
" E e2 = e2.e;\n" +
" ^^\n" +
"Cannot reference a field before it is defined\n" +
"----------\n" +
"7. ERROR in Y.java (at line 9)\n" +
" E e2 = e2.e;\n" +
" ^\n" +
"e cannot be resolved or is not a field\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=165645
public void test1086() {
this.runNegativeTest(
new String[] {
"X.java",
"interface IFoo { void foo(); }\n" +
"interface IBar { void bar(); }\n" +
"public class X<Bar extends IFoo> {\n" +
" class Bar implements IBar { public void bar(){} }\n" +
" void foo(Bar b) {\n" +
" b.foo(); // unbound (Bar is member type)\n" +
" b.bar(); // ok\n" +
" }\n" +
"}\n", // =================,
},
"----------\n" +
"1. ERROR in X.java (at line 6)\n" +
" b.foo(); // unbound (Bar is member type)\n" +
" ^^^\n" +
"The method foo() is undefined for the type X<Bar>.Bar\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=165645 - variation
public void test1087() {
runConformTest(
// test directory preparation
new String[] { /* test files */
"X.java",
"public class X<M> {\n" +
" static public class M {\n" +
" }\n" +
" static public class M2 extends M {\n" +
" }\n" +
"}\n" +
"\n", // =================
},
// javac options
JavacTestOptions.JavacHasABug.JavacBugFixed_7 /* javac test options */);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=165679
public void test1088() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<M> {\n" +
" static public class M {}\n" +
" Zork z;\n" +
" void foo() {\n" +
" class M {} // hides member\n" +
" }\n" +
"}\n" +
"class Y <T> {\n" +
" class Local {}\n" +
" void foo() {\n" +
" class T {}; // hiding warning\n" +
" class Local {};\n" +
" }\n" +
" static void bar() {\n" +
" class T {}; // no hiding warning\n" +
" class Local {}; // no hiding warning\n" +
" } \n" +
"}\n", // =================
},
"----------\n" +
"1. ERROR in X.java (at line 3)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n" +
"2. WARNING in X.java (at line 5)\n" +
" class M {} // hides member\n" +
" ^\n" +
"The type M is hiding the type X.M\n" +
"----------\n" +
"3. WARNING in X.java (at line 11)\n" +
" class T {}; // hiding warning\n" +
" ^\n" +
"The nested type T is hiding the type parameter T of type Y<T>\n" +
"----------\n" +
"4. WARNING in X.java (at line 12)\n" +
" class Local {};\n" +
" ^^^^^\n" +
"The type Local is hiding the type Y<T>.Local\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=165679 - variation
public void test1089() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" class U {}\n" +
" <T> void foo(T t) {\n" +
" class T {\n" +
" T t = t;\n" +
" }\n" +
" class U {\n" +
" }\n" +
" }\n" +
"}\n" +
"\n", // =================
},
"----------\n" +
"1. WARNING in X.java (at line 4)\n" +
" class T {\n" +
" ^\n" +
"The nested type T is hiding the type parameter T of the generic method foo(T) of type X\n" +
"----------\n" +
"2. WARNING in X.java (at line 5)\n" +
" T t = t;\n" +
" ^\n" +
"The field T.t is hiding another local variable defined in an enclosing scope\n" +
"----------\n" +
"3. ERROR in X.java (at line 5)\n" +
" T t = t;\n" +
" ^\n" +
"Cannot reference a field before it is defined\n" +
"----------\n" +
"4. WARNING in X.java (at line 7)\n" +
" class U {\n" +
" ^\n" +
"The type U is hiding the type X.U\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=165679 - variation
public void _test1090() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X <T,U> {\n" +
" class T {} // warn hiding type parameter\n" +
" class U<U> {}// warn hiding type parameter+warn param hiding member type\n" +
" \n" +
" void foo() {\n" +
" class Local {\n" +
" class T {} // warn hiding type parameter\n" +
" class U<U> {}// warn hiding type parameter+warn param hiding member type\n" +
" }\n" +
" }\n" +
" static void bar() {\n" +
" class Local {\n" +
" class T {} // no warn\n" +
" class U<U> {} // no warn\n" +
" }\n" +
" }\n" +
"}", // =================
},
"???");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=165909
public void test1091() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.Map;\n" +
"\n" +
"public class X {\n" +
" void foo() {\n" +
" Object a = null;\n" +
" Map.Entry<String, String> aa = (Map.Entry<String, String>)a; \n" +
" }\n" +
" void bar() {\n" +
" Number a = null;\n" +
" Map.Entry<String, String> aa = (Map.Entry<String, String>)a; \n" +
" Zork z;\n" +
" }\n" +
"}\n", // =================
},
"----------\n" +
"1. WARNING in X.java (at line 6)\n" +
" Map.Entry<String, String> aa = (Map.Entry<String, String>)a; \n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from Object to Map.Entry<String,String>\n" +
"----------\n" +
"2. WARNING in X.java (at line 10)\n" +
" Map.Entry<String, String> aa = (Map.Entry<String, String>)a; \n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from Number to Map.Entry<String,String>\n" +
"----------\n" +
"3. ERROR in X.java (at line 11)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=166490
public void test1092() {
Map customOptions = getCompilerOptions();
customOptions.put(CompilerOptions.OPTION_ReportRawTypeReference, CompilerOptions.IGNORE);
this.runConformTest(
new String[] {
"Class_01.java",
"public interface Class_01<H extends Class_02<? extends Class_01>> extends\n" +
" Class_09<H> {\n" +
"}",
"Class_02.java",
"public interface Class_02<E extends Class_01<? extends Class_02>> extends\n" +
" Class_10<E> {\n" +
"}",
"Class_03.java",
"public abstract class Class_03<E extends Class_01<? super H>, H extends Class_02<? super E>, P extends Class_06<? extends Class_07>>\n" +
" extends Class_08<E, H, P> implements Class_05 {\n" +
"}",
"Class_04.java",
"public interface Class_04 extends Class_06<Class_18>, Class_19{\n" +
"}",
"Class_05.java",
"public interface Class_05{\n" +
"}",
"Class_06.java",
"public interface Class_06<H extends Class_07<? extends Class_06>> extends\n" +
" Class_13<H, Class_12>, Class_17 {\n" +
"}",
"Class_07.java",
"public interface Class_07<P extends Class_06<? extends Class_07>> extends\n" +
" Class_14<P, Class_12> {\n" +
"}",
"Class_08.java",
"public abstract class Class_08<E extends Class_09<? super H>, H extends Class_10<? super E>, P extends Class_06<? extends Class_07>>\n" +
" extends Class_11<E, H, Class_12> implements Class_05 {\n" +
"}",
"Class_09.java",
"public interface Class_09<H extends Class_10<? extends Class_09>> extends\n" +
" Class_13<H, Class_12>, Class_17 {\n" +
"}",
"Class_10.java",
"public interface Class_10<E extends Class_09<? extends Class_10>> extends\n" +
" Class_14<E, Class_12> {\n" +
"}",
"Class_11.java",
"public abstract class Class_11<E extends Class_13<? super H, O>, H extends Class_14<? super E, O>, O>\n" +
" extends Class_15<E, H, O> implements Class_05 {\n" +
"}",
"Class_12.java",
"public final class Class_12 {\n" +
"}",
"Class_13.java",
"public interface Class_13<H extends Class_14<?, O>, O>{\n" +
"}",
"Class_14.java",
"public interface Class_14<E extends Class_13<?, O>, O>{\n" +
"}",
"Class_15.java",
"public abstract class Class_15<E extends Class_13<? super H, O>, H extends Class_14<? super E, O>, O>\n" +
" extends Class_16 {\n" +
"}",
"Class_16.java",
"public abstract class Class_16{\n" +
"}",
"Class_17.java",
"public interface Class_17{\n" +
"}",
"Class_18.java",
"public interface Class_18 extends Class_07<Class_04>{\n" +
"}",
"Class_19.java",
"public interface Class_19{\n" +
"}",
"MyClass.java",
"abstract class MyClass<E extends Class_01<? super H>, H extends Class_02<? super E>>\n" +
" extends Class_03<E, H, Class_04> implements Class_05 {\n" +
"}"
},
"",
null,
true,
null,
customOptions,
null);
// incremental build
this.runConformTest(
new String[] {
"Class_01.java",
"public interface Class_01<H extends Class_02<? extends Class_01>> extends\n" +
" Class_09<H> {\n" +
"}",
},
"",
null,
false,
null,
customOptions,
null);
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=156952
// invalid bug - regression test only
public void test1093() {
Map customOptions = getCompilerOptions();
customOptions.put(CompilerOptions.OPTION_ReportRawTypeReference, CompilerOptions.IGNORE);
this.runNegativeTest(new String[] {
"X.java",
"public class X<T> {\n" +
" X<T> foo() {\n" +
" return this;\n" +
" }\n" +
" T bar(T p) {\n" +
" return p;\n" + " }\n" +
" public static void main (String args) {\n" +
" X<String> x1 = new X<String>();\n" +
" System.out.println(x1.foo().bar(\"OK\"));\n" + // OK
" X x2 = new X<String>();\n" +
" System.out.println(x2.foo().bar(\"OK\"));\n" + // KO: type safety issue
" }\n" +
"}\n"
},
"----------\n" +
"1. WARNING in X.java (at line 12)\n" +
" System.out.println(x2.foo().bar(\"OK\"));\n" +
" ^^^^^^^^^^^^^^^^^^\n" +
"Type safety: The method bar(Object) belongs to the raw type X. References to generic type X<T> should be parameterized\n" +
"----------\n",
null /* no extra class libraries */,
true /* flush output directory */,
customOptions,
false /* do not generate output */,
false /* do not show category */,
false /* do not show warning token */,
false /* do not skip javac for this peculiar test */,
false /* do not perform statements recovery */);
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=167268
public void test1094() {
Map customOptions = getCompilerOptions();
customOptions.put(CompilerOptions.OPTION_ReportRawTypeReference, CompilerOptions.IGNORE);
this.runConformTest(
new String[] {
"Crazy.java",
"public interface Crazy<O extends Other, T extends O> {}",
"ExampleFactory.java",
"public interface ExampleFactory {\n" +
" <O extends Other, T extends O> Crazy<O, T> createCrazy();\n" +
"}",
"Other.java",
"public interface Other {}",
"ExampleFactoryImpl.java",
"public class ExampleFactoryImpl implements ExampleFactory {\n" +
" public <O extends Other, T extends O> Crazy<O, T> createCrazy() {\n" +
" return null;\n" +
" }\n" +
"}"
},
"",
null /* no extra class libraries */,
true /* flush output directory */,
null /* vm arguments*/,
customOptions,
null /* compiler requestor*/);
this.runConformTest(
new String[] {
"ExampleFactoryImpl.java",
"public class ExampleFactoryImpl implements ExampleFactory {\n" +
" public <O extends Other, T extends O> Crazy<O, T> createCrazy() {\n" +
" return null;\n" +
" }\n" +
"}"
},
"",
null /* no extra class libraries */,
false /* flush output directory */,
null /* vm arguments*/,
customOptions,
null /* compiler requestor*/);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=167952
//invalid bug - regression test only
public void test1095() {
Map customOptions = getCompilerOptions();
customOptions.put(CompilerOptions.OPTION_ReportRawTypeReference, CompilerOptions.IGNORE);
customOptions.put(CompilerOptions.OPTION_ReportUncheckedTypeOperation, CompilerOptions.IGNORE);
runNegativeTest(
// test directory preparation
true /* flush output directory */,
new String[] { /* test files */
"X.java",
"import java.lang.reflect.Constructor;\n" +
"\n" +
"@interface Annot {\n" +
" String message() default \"\"; //$NON-NLS-1$\n" +
"}\n" +
"\n" +
"public class X {\n" +
" X() {\n" +
" }\n" +
" public String getAnnotationValue(Constructor constructor){\n" +
" Annot annotation = constructor.getAnnotation(Annot.class);\n" +
" return (annotation != null) ? annotation.message() : null;\n" +
" }\n" +
"}"
},
// compiler options
null /* no class libraries */,
customOptions /* custom options */,
// compiler results
"----------\n" + /* expected compiler log */
"1. ERROR in X.java (at line 11)\n" +
" Annot annotation = constructor.getAnnotation(Annot.class);\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Annotation to Annot\n" +
"----------\n",
// javac options
JavacTestOptions.JavacHasABug.JavacBug6400189 /* javac test options */);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=167952
//invalid bug - regression test only
public void test1096() {
Map customOptions = getCompilerOptions();
customOptions.put(CompilerOptions.OPTION_ReportRawTypeReference, CompilerOptions.IGNORE);
customOptions.put(CompilerOptions.OPTION_ReportUncheckedTypeOperation, CompilerOptions.IGNORE);
this.runConformTest(
new String[] {
"X.java",
"import java.lang.reflect.Constructor;\n" +
"\n" +
"@interface Annot {\n" +
" String message() default \"\"; //$NON-NLS-1$\n" +
"}\n" +
"\n" +
"public class X {\n" +
" X() {\n" +
" }\n" +
" public String getAnnotationValue(Constructor<X> constructor){\n" +
" Annot annotation = constructor.getAnnotation(Annot.class);\n" +
" return (annotation != null) ? annotation.message() : null;\n" +
" }\n" +
"}"
},
"",
null /* no extra class libraries */,
true /* flush output directory */,
null,
customOptions,
null/* do not perform statements recovery */);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=168232
public void _test1097() {
runNegativeTest(
// test directory preparation
new String[] { /* test files */
"X.java",
"public class X {\n" +
" String[] foo = new <Zork>String[] {};\n" +
"}"
},
// compiler results
"----------\n" + /* expected compiler log */
"1. ERROR in X.java (at line 2)\n" +
" String[] foo = new <Zork>String[] {};\n" +
" ^^^^^^^^^^^^^^^^^^\n" +
"Syntax error on token(s), misplaced construct(s)\n" +
"----------\n" +
"2. ERROR in X.java (at line 2)\n" +
" String[] foo = new <Zork>String[] {};\n" +
" ^\n" +
"Syntax error on token \">\", , expected\n" +
"----------\n",
// javac options
JavacTestOptions.JavacHasABug.JavacBugFixed_7 /* javac test options */);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=152961
public void test1098() {
this.runNegativeTest(new String[] {
"X.java",
"public class X { \n" +
" private class A {\n" +
" class B {}\n" +
" }\n" +
" private class Y<T> extends A {\n" +
" }\n" +
" Y<String>.B d = null;\n" +
"}\n" +
"class Y extends Zork {}\n"
},
"----------\n" +
"1. WARNING in X.java (at line 5)\n" +
" private class Y<T> extends A {\n" +
" ^\n" +
"Access to enclosing constructor X.A() is emulated by a synthetic accessor method\n" +
"----------\n" +
"2. ERROR in X.java (at line 9)\n" +
" class Y extends Zork {}\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
public void test1099() {
runConformTest(
// test directory preparation
true /* flush output directory */,
new String[] { /* test files */
"X.java",
"import java.util.*;\n" +
"\n" +
"public class X {\n" +
"\n" +
" public class A {};\n" +
" public class B extends A {\n" +
" @Override\n" +
" public String toString() {\n" +
" return \"SUCCESS\";\n" +
" }\n" +
" }\n" +
"\n" +
" public static void main(String[] args) {\n" +
" X x = new X();\n" +
" List<A> l = x.newList(x.new B());\n" +
" for (A a: l) {\n" +
" System.out.println(a);\n" +
" }\n" +
" }\n" +
"\n" +
" public <U, V extends U> List<U> newList(V... values) {\n" +
" List<U> l = new ArrayList<U>();\n" +
" for (V v : values) {\n" +
" l.add(v);\n" +
" }\n" +
" return l;\n" +
" }\n" +
"\n" +
"}\n"
},
// compiler results
this.complianceLevel < ClassFileConstants.JDK1_7 ? "" :
"----------\n" +
"1. WARNING in X.java (at line 21)\n" +
" public <U, V extends U> List<U> newList(V... values) {\n" +
" ^^^^^^\n" +
"Type safety: Potential heap pollution via varargs parameter values\n" +
"----------\n",
// runtime results
"SUCCESS" /* expected output string */,
"" /* expected error string */,
// javac options
JavacTestOptions.JavacHasABug.JavacBugFixed_7 /* javac test options */);
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=170318
public void test1100() {
this.runNegativeTest(new String[] {
"X.java",
"class X<T> {\n" +
"}\n" +
"class Y<T> {\n" +
" public void foo(final X<?> x) {\n" +
" }\n" +
"}\n" +
"class Z extends Y {\n" +
" public void foo(final X<?> x) {\n" +
" super.foo(x);\n" +
" }\n" +
"}"
},
"----------\n" +
"1. WARNING in X.java (at line 7)\n" +
" class Z extends Y {\n" +
" ^\n" +
"Y is a raw type. References to generic type Y<T> should be parameterized\n" +
"----------\n" +
"2. ERROR in X.java (at line 8)\n" +
" public void foo(final X<?> x) {\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"Name clash: The method foo(X<?>) of type Z has the same erasure as foo(X) of type Y but does not override it\n" +
"----------\n" +
"3. WARNING in X.java (at line 9)\n" +
" super.foo(x);\n" +
" ^^^^^^^^^^^^\n" +
"Type safety: The method foo(X) belongs to the raw type Y. References to generic type Y<T> should be parameterized\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=172189
public void test1101() {
this.runNegativeTest(new String[] {
"X.java",
"import java.util.*;\n" +
"\n" +
"public final class X<A, B> {\n" +
" public A a;\n" +
" public B b;\n" +
" public X(A pa, B pb) {\n" +
" a = pa;\n" +
" b = pb;\n" +
" }\n" +
" public static <A, B> X<A, B> create(A pa, B pb) {\n" +
" return new X<A, B>(pa, pb);\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" List<X<String, Object>> list = new ArrayList<X<String,Object>>();\n" +
" list.add(X.<?, Object>create(\"\", \"\"));\n" +
" }\n" +
"}"
},
"----------\n" +
"1. ERROR in X.java (at line 15)\n" +
" list.add(X.<?, Object>create(\"\", \"\"));\n" +
" ^\n" +
"Wildcard is not allowed at this location\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=174434
public void test1102() {
this.runNegativeTest(new String[] {
"X.java",
"public class X {\n" +
" <T> X(T t) {\n" +
" }\n" +
"\n" +
" class A {\n" +
" <T> A(T t) {\n" +
" }\n" +
" }\n" +
"\n" +
" public static void main(String[] args) {\n" +
" new<?> X(null);\n" +
" }\n" +
"}"
},
"----------\n" +
"1. ERROR in X.java (at line 11)\n" +
" new<?> X(null);\n" +
" ^\n" +
"Wildcard is not allowed at this location\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=174434
public void test1103() {
this.runNegativeTest(new String[] {
"X.java",
"public class X {\n" +
" <T> X(T t) {\n" +
" }\n" +
" X(int i) {\n" +
" <?>this(null);\n" +
" }\n" +
"}"
},
"----------\n" +
"1. ERROR in X.java (at line 5)\n" +
" <?>this(null);\n" +
" ^\n" +
"Wildcard is not allowed at this location\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=174434
public void test1104() {
this.runNegativeTest(new String[] {
"X.java",
"public class X {\n" +
" <T> X(T t) { }\n" +
" \n" +
" class A {\n" +
" <T> A(T t) { }\n" +
" }\n" +
"\n" +
" public static void main(String[] args) {\n" +
" new X(null).new <?> A(null);\n" +
" }\n" +
"}"
},
"----------\n" +
"1. ERROR in X.java (at line 9)\n" +
" new X(null).new <?> A(null);\n" +
" ^\n" +
"Wildcard is not allowed at this location\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=174724
public void test1105() {
Map customOptions = getCompilerOptions();
customOptions.put(CompilerOptions.OPTION_ReportRawTypeReference, CompilerOptions.IGNORE);
this.runNegativeTest(new String[] {
"X.java",
"public class X {\n" +
" public static void main(String[] args) {\n" +
" Class foo = Class.<? extends Object>forName(Integer.class.getName());\n" +
" }\n" +
"}"
},
"----------\n" +
"1. ERROR in X.java (at line 3)\n" +
" Class foo = Class.<? extends Object>forName(Integer.class.getName());\n" +
" ^^^^^^^^^^^^^^^^\n" +
"Wildcard is not allowed at this location\n" +
"----------\n",
null,
true,
customOptions);
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=174766
public void test1106() {
runNegativeTest(
// test directory preparation
new String[] { /* test files */
"X.java",
"public class X<T> {\n" +
" public class Y extends Exception {\n" +
" private static final long serialVersionUID = 1L;\n" +
" }\n" +
"}"
},
// compiler results
"----------\n" + /* expected compiler log */
"1. ERROR in X.java (at line 2)\n" +
" public class Y extends Exception {\n" +
" ^^^^^^^^^\n" +
"The generic class X<T>.Y may not subclass java.lang.Throwable\n" +
"----------\n",
// javac options
JavacTestOptions.JavacHasABug.JavacBugFixed_6_10 /* javac test options */);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=172913
public void test1107() throws Exception {
this.runConformTest(
new String[] {
"X.java",
"import java.util.ArrayList;\n" +
"import java.util.Collection;\n" +
"import java.util.HashMap;\n" +
"import java.util.Iterator;\n" +
"import java.util.List;\n" +
"\n" +
"public class X {\n" +
" private void processLocks(HashMap locksMap, Object key) {\n" +
" for (Iterator iter = locksMap.keySet().iterator(); iter.hasNext();) {\n" +
" Object call = iter.next();\n" +
" List locks = externLocks((Collection) locksMap.get(call), call);\n" +
" // ...\n" +
" }\n" +
" }\n" +
" private List externLocks(Collection locks, Object call) {\n" +
" List result = new ArrayList();\n" +
" // ..\n" +
" return result;\n" +
" }\n" +
"}\n",
},
"");
// ensure only one instance of: checkcast java.util.Collection
String expectedOutput =
" // Method descriptor #15 (Ljava/util/HashMap;Ljava/lang/Object;)V\n" +
" // Stack: 3, Locals: 6\n" +
" private void processLocks(java.util.HashMap locksMap, java.lang.Object key);\n" +
" 0 aload_1 [locksMap]\n" +
" 1 invokevirtual java.util.HashMap.keySet() : java.util.Set [16]\n" +
" 4 invokeinterface java.util.Set.iterator() : java.util.Iterator [22] [nargs: 1]\n" +
" 9 astore_3 [iter]\n" +
" 10 goto 38\n" +
" 13 aload_3 [iter]\n" +
" 14 invokeinterface java.util.Iterator.next() : java.lang.Object [28] [nargs: 1]\n" +
" 19 astore 4 [call]\n" +
" 21 aload_0 [this]\n" +
" 22 aload_1 [locksMap]\n" +
" 23 aload 4 [call]\n" +
" 25 invokevirtual java.util.HashMap.get(java.lang.Object) : java.lang.Object [34]\n" +
" 28 checkcast java.util.Collection [38]\n" +
" 31 aload 4 [call]\n" +
" 33 invokespecial X.externLocks(java.util.Collection, java.lang.Object) : java.util.List [40]\n" +
" 36 astore 5\n" +
" 38 aload_3 [iter]\n" +
" 39 invokeinterface java.util.Iterator.hasNext() : boolean [44] [nargs: 1]\n" +
" 44 ifne 13\n" +
" 47 return\n" +
" Line numbers:\n" +
" [pc: 0, line: 9]\n" +
" [pc: 13, line: 10]\n" +
" [pc: 21, line: 11]\n" +
" [pc: 38, line: 9]\n" +
" [pc: 47, line: 14]\n" +
" Local variable table:\n" +
" [pc: 0, pc: 48] local: this index: 0 type: X\n" +
" [pc: 0, pc: 48] local: locksMap index: 1 type: java.util.HashMap\n" +
" [pc: 0, pc: 48] local: key index: 2 type: java.lang.Object\n" +
" [pc: 10, pc: 47] local: iter index: 3 type: java.util.Iterator\n" +
" [pc: 21, pc: 38] local: call index: 4 type: java.lang.Object\n";
File f = new File(OUTPUT_DIR + File.separator + "X.class");
byte[] classFileBytes = org.eclipse.jdt.internal.compiler.util.Util.getFileByteContent(f);
ClassFileBytesDisassembler disassembler = ToolFactory.createDefaultClassFileBytesDisassembler();
String result = disassembler.disassemble(classFileBytes, "\n", ClassFileBytesDisassembler.DETAILED);
int index = result.indexOf(expectedOutput);
if (index == -1 || expectedOutput.length() == 0) {
System.out.println(Util.displayString(result, 3));
}
if (index == -1) {
assertEquals("Wrong contents", expectedOutput, result);
}
}
public void test1108() {
this.runConformTest(
new String[] {
"X.java",
"interface UnaryFunction <A, R, X extends Throwable> {\n" +
" public R invoke(A o) throws X;\n" +
"}\n" +
" \n" +
"public class X implements UnaryFunction<String,Void,RuntimeException> {\n" +
" public Void invoke(String o) throws RuntimeException {\n" +
" return null;\n" +
" }\n" +
"}\n", // =================
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=176591
//?: cuts assignment context
public void test1109() {
String xSource =
"class X {\n" +
" public Y<String> foo()\n" +
" {\n" +
" return true ? Z.bar() : null;\n" +
" }\n" +
"}\n" +
"class Y<T> {\n" +
"}\n" +
"class Z {\n" +
" static <U> Y<U> bar() {\n" +
" return null;\n" +
" }\n" +
"}\n";
if (this.complianceLevel < ClassFileConstants.JDK1_8) {
this.runNegativeTest(
new String[] {
"X.java",
xSource,
},
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" return true ? Z.bar() : null;\n" +
" ^^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Y<Object> to Y<String>\n" +
"----------\n");
} else {
runConformTest(
new String[] {
"X.java",
xSource
});
}
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=176591
//variant
public void test1110() {
this.runConformTest(
new String[] {
"X.java",
"class X {\n" +
" public Y<String> foo()\n" +
" {\n" +
" return true ? Z.<String>bar() : null;\n" +
" }\n" +
"}\n" +
"class Y<T> {\n" +
"}\n" +
"class Z {\n" +
" static <U> Y<U> bar() {\n" +
" return null;\n" +
" }\n" +
"}\n",
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=177194
public void test1111() {
Map settings = getCompilerOptions();
settings.put(CompilerOptions.OPTION_PreserveUnusedLocal, CompilerOptions.OPTIMIZE_OUT);
this.runConformTest(
new String[] {
"X.java",
"class A<T> {\n" +
" public T foo(Object o) {\n" +
" return (T) o; // should get unchecked warning\n" +
" }\n" +
"}\n" +
"\n" +
"public class X {\n" +
" public static void main(String[] args) {\n" +
" A<X> a = new A<X>();\n" +
" try {\n" +
" X s = a.foo(new Object());\n" +
" } catch(ClassCastException e) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" return;\n" +
" }\n" +
" System.out.println(\"FAILED\");\n" +
" }\n" +
"}\n", // =================
},
"SUCCESS",
null,
true,
null,
settings,
null);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=177194 - variation
public void test1112() {
Map settings = getCompilerOptions();
settings.put(CompilerOptions.OPTION_PreserveUnusedLocal, CompilerOptions.OPTIMIZE_OUT);
this.runConformTest(
new String[] {
"X.java",
"class A<T> {\n" +
" public T foo;\n" +
"}\n" +
"\n" +
"public class X {\n" +
" public static void main(String[] args) {\n" +
" A<X> a = new A<X>();\n" +
" A ua = a;\n" +
" ua.foo = new Object();\n" +
" try {\n" +
" X s = a.foo;\n" +
" } catch(ClassCastException e) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" return;\n" +
" }\n" +
" System.out.println(\"FAILED\");\n" +
" }\n" +
"}\n", // =================
},
"SUCCESS",
null,
true,
null,
settings,
null);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=177194 - variation
public void test1113() {
Map settings = getCompilerOptions();
settings.put(CompilerOptions.OPTION_PreserveUnusedLocal, CompilerOptions.OPTIMIZE_OUT);
this.runConformTest(
new String[] {
"X.java",
"class A<T> {\n" +
" public T foo;\n" +
"}\n" +
"\n" +
"public class X extends A<X>{\n" +
" public static void main(String[] args) {\n" +
" new X().foo();\n" +
" }\n" +
" public void foo() {\n" +
" A ua = this;\n" +
" ua.foo = new Object();\n" +
" try {\n" +
" X s = foo;\n" +
" } catch(ClassCastException e) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" return;\n" +
" }\n" +
" System.out.println(\"FAILED\");\n" +
" }\n" +
"}\n", // =================
},
"SUCCESS",
null,
true,
null,
settings,
null);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=177194 - variation
public void test1114() {
Map settings = getCompilerOptions();
settings.put(CompilerOptions.OPTION_PreserveUnusedLocal, CompilerOptions.OPTIMIZE_OUT);
this.runConformTest(
new String[] {
"X.java",
"class A<T> {\n" +
" public T foo;\n" +
"}\n" +
"\n" +
"public class X extends A<X>{\n" +
" public static void main(String[] args) {\n" +
" new X().foo();\n" +
" }\n" +
" public void foo() {\n" +
" A ua = this;\n" +
" ua.foo = new Object();\n" +
" try {\n" +
" X s = this.foo;\n" +
" } catch(ClassCastException e) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" return;\n" +
" }\n" +
" System.out.println(\"FAILED\");\n" +
" }\n" +
"}\n", // =================
},
"SUCCESS",
null,
true,
null,
settings,
null);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=177194 - variation
public void test1115() {
Map settings = getCompilerOptions();
settings.put(CompilerOptions.OPTION_PreserveUnusedLocal, CompilerOptions.OPTIMIZE_OUT);
this.runConformTest(
new String[] {
"X.java",
"class A<T> {\n" +
" public T foo;\n" +
"}\n" +
"\n" +
"public class X {\n" +
" static X ROOT;\n" +
" public static void main(String[] args) {\n" +
" A<X> a = new A<X>();\n" +
" A ua = a;\n" +
" ua.foo = new Object();\n" +
" try {\n" +
" X s = a.foo.ROOT;\n" +
" } catch(ClassCastException e) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" return;\n" +
" }\n" +
" System.out.println(\"FAILED\");\n" +
" }\n" +
"}\n", // =================
},
"SUCCESS",
null,
true,
null,
settings,
null);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=177194 - variation
public void test1116() {
this.runConformTest(
new String[] {
"X.java",
"import java.io.Serializable;\n" +
"\n" +
"interface I {\n" +
" int CONST = 1;\n" +
"}\n" +
"\n" +
"class Z<T extends Serializable&I> {\n" +
" T c;\n" +
" Z(T c) {\n" +
" this.c = c;\n" +
" }\n" +
" int foo() {\n" +
" return c.CONST;\n" +
" }\n" +
"}\n" +
"\n" +
"public class X implements Serializable, I {\n" +
" public static void main(String argv[]) {\n" +
" Z<X> z = new Z<X>(new X());\n" +
" Z rawz = z;\n" +
" rawz.c = new Serializable(){};\n" +
" try {\n" +
" z.foo();\n" +
" } catch(ClassCastException e) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
" }\n" +
"}\n", // =================
},
"SUCCESS");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=177194 - variation
public void test1117() throws Exception {
Map options = getCompilerOptions();
options.put(CompilerOptions.OPTION_PreserveUnusedLocal, CompilerOptions.OPTIMIZE_OUT);
this.runConformTest(
new String[] {
"X.java",
"interface I<T> {\n" +
" Value<String> CONST = null;\n" +
"}\n" +
"class Value<V> {\n" +
" String NAME = \"VALUE\";\n" +
"}\n" +
"class B<V> implements I<V> {\n" +
" B(Value<String> param) {\n" +
" Value<String> v0 = CONST;\n" +
" Value<String> v1 = this.CONST;\n" +
" String s2 = CONST.NAME;\n" +
" Value<String> v3 = I.CONST;\n" +
" Value<String> v4 = B.CONST;\n" +
" }\n" +
"}\n" +
"public class X {\n" +
" public static void main(String[] args) {\n" +
" try {\n" +
" new B<String>(new Value<String>());\n" +
" } catch(NullPointerException e) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
" }\n" +
"}\n", // =================
},
"SUCCESS",
null,
false,
null,
options,
null);
// check the reference to I.CONST is generated as B.CONST, except for v3 still issuing I.CONST
String expectedOutput =
" // Method descriptor #8 (LValue;)V\n" +
" // Signature: (LValue<Ljava/lang/String;>;)V\n" +
" // Stack: 1, Locals: 2\n" +
" B(Value param);\n" +
" 0 aload_0 [this]\n" +
" 1 invokespecial java.lang.Object() [12]\n" +
" 4 getstatic B.CONST : Value [15]\n" +
" 7 pop\n" +
" 8 getstatic B.CONST : Value [15]\n" +
" 11 pop\n" +
" 12 getstatic B.CONST : Value [15]\n" +
" 15 getfield Value.NAME : java.lang.String [19]\n" +
" 18 pop\n" +
" 19 getstatic I.CONST : Value [25]\n" +
" 22 pop\n" +
" 23 getstatic B.CONST : Value [15]\n" +
" 26 pop\n" +
" 27 return\n" +
" Line numbers:\n" +
" [pc: 0, line: 8]\n" +
" [pc: 4, line: 9]\n" +
" [pc: 8, line: 10]\n" +
" [pc: 12, line: 11]\n" +
" [pc: 19, line: 12]\n" +
" [pc: 23, line: 13]\n" +
" [pc: 27, line: 14]\n" +
" Local variable table:\n" +
" [pc: 0, pc: 28] local: this index: 0 type: B\n" +
" [pc: 0, pc: 28] local: param index: 1 type: Value\n" +
" Local variable type table:\n" +
" [pc: 0, pc: 28] local: this index: 0 type: B<V>\n" +
" [pc: 0, pc: 28] local: param index: 1 type: Value<java.lang.String>\n";
File f = new File(OUTPUT_DIR + File.separator + "B.class");
byte[] classFileBytes = org.eclipse.jdt.internal.compiler.util.Util.getFileByteContent(f);
ClassFileBytesDisassembler disassembler = ToolFactory.createDefaultClassFileBytesDisassembler();
String result = disassembler.disassemble(classFileBytes, "\n", ClassFileBytesDisassembler.DETAILED);
int index = result.indexOf(expectedOutput);
if (index == -1 || expectedOutput.length() == 0) {
System.out.println(Util.displayString(result, 3));
}
if (index == -1) {
assertEquals("Wrong contents", expectedOutput, result);
}
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=177715
public void test1118() {
String source = "import java.util.List;\n" +
"\n" +
"public class X {\n" +
" X() {\n" +
" Class<? extends List<?>> cls = null;\n" +
" foo(cls);\n" +
" }\n" +
"\n" +
" <I, T extends List<I>> T foo(Class<T> pClass) {\n" +
" return null;\n" +
" }\n" +
"}\n";
if (this.complianceLevel < ClassFileConstants.JDK1_8) {
runConformTest(
new String[] { "X.java", source },
JavacTestOptions.EclipseHasABug.EclipseBug177715 /* javac test options */);
} else {
runNegativeTest(
new String[] { "X.java", source },
"----------\n" +
"1. ERROR in X.java (at line 6)\n" +
" foo(cls);\n" +
" ^^^\n" +
"The method foo(Class<T>) in the type X is not applicable for the arguments (Class<capture#1-of ? extends List<?>>)\n" +
"----------\n");
}
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=169728
public void test1119() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T extends Comparable<T> & Runnable> {\n" +
" T get() {\n" +
" return null;\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" \n" +
" X<OnlyRunnable> x1 = null; // error\n" +
" X<OnlyComparable> x2 = null; // error\n" +
" X<ComparableRunnable> x3 = null; // ok\n" +
" X<ComparableRunnableThrowable> x4 = null; // ok\n" +
" \n" +
" foo1(x1); // ok\n" +
" foo1(x2); // ok\n" +
" foo1(x3); // ok\n" +
" foo1(x4); // ok\n" +
"\n" +
" foo2(x1); // error\n" +
" foo2(x2); // error\n" +
" foo2(x3); // error\n" +
" foo2(x4); // ok\n" +
" }\n" +
" \n" +
" static void foo1(X<?> x) {\n" +
" x.get().run(); // ok\n" +
" x.get().compareTo(null); // ok\n" +
" x.get().compareTo(x.get()); // error\n" +
" }\n" +
" static void foo2(X<? extends Throwable> x) {\n" +
" x.get().run(); // ok\n" +
" x.get().compareTo(null); // ok\n" +
" x.get().compareTo(x.get()); // error\n" +
" } \n" +
"}\n" +
"\n" +
"abstract class OnlyRunnable implements Runnable {}\n" +
"abstract class OnlyComparable implements Comparable<OnlyComparable> {}\n" +
"abstract class ComparableRunnable implements Comparable<ComparableRunnable>, Runnable {}\n" +
"abstract class ComparableRunnableThrowable extends Throwable implements Comparable<ComparableRunnable>, Runnable {\n" +
" private static final long serialVersionUID = 1L;\n" +
"}", // =================
},
"----------\n" +
"1. ERROR in X.java (at line 7)\n" +
" X<OnlyRunnable> x1 = null; // error\n" +
" ^^^^^^^^^^^^\n" +
"Bound mismatch: The type OnlyRunnable is not a valid substitute for the bounded parameter <T extends Comparable<T> & Runnable> of the type X<T>\n" +
"----------\n" +
"2. ERROR in X.java (at line 8)\n" +
" X<OnlyComparable> x2 = null; // error\n" +
" ^^^^^^^^^^^^^^\n" +
"Bound mismatch: The type OnlyComparable is not a valid substitute for the bounded parameter <T extends Comparable<T> & Runnable> of the type X<T>\n" +
"----------\n" +
"3. ERROR in X.java (at line 10)\n" +
" X<ComparableRunnableThrowable> x4 = null; // ok\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Bound mismatch: The type ComparableRunnableThrowable is not a valid substitute for the bounded parameter <T extends Comparable<T> & Runnable> of the type X<T>\n" +
"----------\n" +
"4. ERROR in X.java (at line 17)\n" +
" foo2(x1); // error\n" +
" ^^^^\n" +
"The method foo2(X<? extends Throwable>) in the type X<T> is not applicable for the arguments (X<OnlyRunnable>)\n" +
"----------\n" +
"5. ERROR in X.java (at line 18)\n" +
" foo2(x2); // error\n" +
" ^^^^\n" +
"The method foo2(X<? extends Throwable>) in the type X<T> is not applicable for the arguments (X<OnlyComparable>)\n" +
"----------\n" +
"6. ERROR in X.java (at line 19)\n" +
" foo2(x3); // error\n" +
" ^^^^\n" +
"The method foo2(X<? extends Throwable>) in the type X<T> is not applicable for the arguments (X<ComparableRunnable>)\n" +
"----------\n" +
"7. ERROR in X.java (at line 26)\n" +
" x.get().compareTo(x.get()); // error\n" +
" ^^^^^^^^^\n" +
"The method compareTo(capture#3-of ?) in the type Comparable<capture#3-of ?> is not applicable for the arguments (capture#4-of ?)\n" +
"----------\n" +
"8. ERROR in X.java (at line 31)\n" +
" x.get().compareTo(x.get()); // error\n" +
" ^^^^^^^^^\n" +
"The method compareTo(capture#7-of ? extends Throwable) in the type Comparable<capture#7-of ? extends Throwable> is not applicable for the arguments (capture#8-of ? extends Throwable)\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=166963
public void test1120() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" public X() {\n" +
" System.out.println();\n" +
" this(zork);\n" +
" Zork.this.this();\n" +
" <Zork>this();\n" +
" }\n" +
"}", // =================
},
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" this(zork);\n" +
" ^^^^^^^^^^^\n" +
"Constructor call must be the first statement in a constructor\n" +
"----------\n" +
"2. ERROR in X.java (at line 4)\n" +
" this(zork);\n" +
" ^^^^\n" +
"zork cannot be resolved to a variable\n" +
"----------\n" +
"3. ERROR in X.java (at line 5)\n" +
" Zork.this.this();\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"Constructor call must be the first statement in a constructor\n" +
"----------\n" +
"4. ERROR in X.java (at line 5)\n" +
" Zork.this.this();\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n" +
"5. ERROR in X.java (at line 6)\n" +
" <Zork>this();\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n" +
"6. ERROR in X.java (at line 6)\n" +
" <Zork>this();\n" +
" ^^^^^^^\n" +
"Constructor call must be the first statement in a constructor\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=181270
public void test1121() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T> {\n" +
" void foo() {\n" +
" System.out.println(T[].class);\n" +
" }\n" +
"}", // =================
},
"----------\n" +
"1. ERROR in X.java (at line 3)\n" +
" System.out.println(T[].class);\n" +
" ^^^^^^^^^\n" +
"Illegal class literal for the type parameter T\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=181270
public void test1122() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" <T> void foo() {\n" +
" System.out.println(T[].class);\n" +
" }\n" +
"}", // =================
},
"----------\n" +
"1. ERROR in X.java (at line 3)\n" +
" System.out.println(T[].class);\n" +
" ^^^^^^^^^\n" +
"Illegal class literal for the type parameter T\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=181270 - variation
public void test1123() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" void foo() {\n" +
" Class<Integer> c1 = int.class;\n" +
" Class<Integer> c2 = Integer.class;\n" +
" Class<Integer[]> c3 = int[].class;\n" +
" Class<int[]> c4 = int[].class;\n" +
" Class<Void> c5 = void.class;\n" +
" Class<void[]> c6 = void[].class;\n" +
" }\n" +
"}", // =================
},
"----------\n" +
"1. ERROR in X.java (at line 5)\n" +
" Class<Integer[]> c3 = int[].class;\n" +
" ^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Class<int[]> to Class<Integer[]>\n" +
"----------\n" +
"2. ERROR in X.java (at line 8)\n" +
" Class<void[]> c6 = void[].class;\n" +
" ^^^^^^\n" +
"void[] is an invalid type\n" +
"----------\n" +
"3. ERROR in X.java (at line 8)\n" +
" Class<void[]> c6 = void[].class;\n" +
" ^^^^^^\n" +
"void[] is an invalid type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=182192
public void test1124() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.HashMap;\n" +
"import java.util.Map;\n" +
"\n" +
"public class X<T> {\n" +
"\n" +
" static protected final Map<String, String> myMap = new HashMap<String, String>();\n" +
" private final T theGenericThing;\n" +
"\n" +
" private X(T something) {\n" +
" this.theGenericThing = something;\n" +
" }\n" +
"\n" +
" public static class InnerClassThatShowsBug extends X {\n" +
" public InnerClassThatShowsBug() {\n" +
" super(null);\n" +
" }\n" +
"\n" +
" public void printMap() {\n" +
" for (Map.Entry<String, String> entry : myMap().entrySet()) {\n" +
" System.out.println(entry.getKey() + \" => \" + entry.getValue());\n" +
" }\n" +
" }\n" +
" protected Map<String, String> myMap2() {\n" +
" return myMap;\n" +
" }\n" +
" public void printMap2() {\n" +
" for (Map.Entry<String, String> entry : myMap2().entrySet()) {\n" +
" System.out.println(entry.getKey() + \" => \" + entry.getValue());\n" +
" }\n" +
" }\n" +
" }\n" +
"\n" +
" protected Map<String, String> myMap() {\n" +
" return myMap;\n" +
" }\n" +
"}", // =================
},
"----------\n" +
"1. WARNING in X.java (at line 13)\n" +
" public static class InnerClassThatShowsBug extends X {\n" +
" ^\n" +
"X is a raw type. References to generic type X<T> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 15)\n" +
" super(null);\n" +
" ^^^^^^^^^^^^\n" +
"Type safety: The constructor X(Object) belongs to the raw type X. References to generic type X<T> should be parameterized\n" +
"----------\n" +
"3. WARNING in X.java (at line 15)\n" +
" super(null);\n" +
" ^^^^^^^^^^^^\n" +
"Access to enclosing constructor X<T>(T) is emulated by a synthetic accessor method\n" +
"----------\n" +
"4. ERROR in X.java (at line 19)\n" +
" for (Map.Entry<String, String> entry : myMap().entrySet()) {\n" +
" ^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from element type Object to Map.Entry<String,String>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=183216
public void test1125() {
this.runNegativeTest(
new String[] {
"X.java",
"class A {\n" +
" class B<T> {\n" +
" T t;\n" +
" T getValue() {\n" +
" return t;\n" +
" }\n" +
" }\n" +
"}\n" +
"\n" +
"class C<T> extends A {\n" +
" Zork z;\n" +
"}\n" +
"\n" +
"public class X {\n" +
" static C.B<Double> c = new C().new B<Double>();\n" +
"\n" +
" public static void main(String[] args) {\n" +
" C.B<String> temp = new C().new B<String>();\n" +
" String s = temp.getValue();\n" +
" System.out.println(s);\n" +
" foo(bar());\n" +
" }\n" +
"\n" +
" static C.B<? extends Number> bar() {\n" +
" return new C().new B<Integer>();\n" +
" }\n" +
"\n" +
" static void foo(C.B<?> arg) {\n" +
" Object o = arg.getValue();\n" +
" Double d = c.getValue();\n" +
" System.out.println(o);\n" +
" System.out.println(d);\n" +
" }\n" +
"}\n", // =================
},
"----------\n" +
"1. ERROR in X.java (at line 11)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n" +
"2. WARNING in X.java (at line 15)\n" +
" static C.B<Double> c = new C().new B<Double>();\n" +
" ^\n" +
"C is a raw type. References to generic type C<T> should be parameterized\n" +
"----------\n" +
"3. WARNING in X.java (at line 18)\n" +
" C.B<String> temp = new C().new B<String>();\n" +
" ^\n" +
"C is a raw type. References to generic type C<T> should be parameterized\n" +
"----------\n" +
"4. WARNING in X.java (at line 25)\n" +
" return new C().new B<Integer>();\n" +
" ^\n" +
"C is a raw type. References to generic type C<T> should be parameterized\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=183216 - variation
public void test1126() {
this.runConformTest(
new String[] {
"X.java",
"class A {\n" +
" class B<T> {\n" +
" T t;\n" +
" T getValue() {\n" +
" return t;\n" +
" }\n" +
" }\n" +
"}\n" +
"\n" +
"public class X {\n" +
" static A.B<Double> c = new A().new B<Double>();\n" +
"\n" +
" public static void main(String[] args) {\n" +
" A.B<String> temp = new A().new B<String>();\n" +
" String s = temp.getValue();\n" +
" System.out.print(s);\n" +
" foo(bar());\n" +
" }\n" +
"\n" +
" static A.B<? extends Number> bar() {\n" +
" return new A().new B<Integer>();\n" +
" }\n" +
"\n" +
" static void foo(A.B<?> arg) {\n" +
" Object o = arg.getValue();\n" +
" Double d = c.getValue();\n" +
" System.out.print(o);\n" +
" System.out.print(d);\n" +
" }\n" +
"}\n", // =================
},
"nullnullnull");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=183216 - variation
public void test1127() {
this.runNegativeTest(
new String[] {
"X.java",
"class A<E> {\n" +
" class B<T> {\n" +
" T t;\n" +
" T getValue() {\n" +
" return t;\n" +
" }\n" +
" }\n" +
"}\n" +
"\n" +
"class C<T> extends A<T> {\n" +
"}\n" +
"\n" +
"public class X {\n" +
" static C.B<Double> c = new C().new B<Double>();\n" +
"\n" +
" public static void main(String[] args) {\n" +
" C.B<String> temp = new C().new B<String>();\n" +
" String s = temp.getValue();\n" +
" System.out.println(s);\n" +
" foo(bar());\n" +
" }\n" +
"\n" +
" static C.B<? extends Number> bar() {\n" +
" return new C().new B<Integer>();\n" +
" }\n" +
"\n" +
" static void foo(C.B<?> arg) {\n" +
" Object o = arg.getValue();\n" +
" Double d = c.getValue();\n" +
" System.out.println(o);\n" +
" System.out.println(d);\n" +
" }\n" +
"}\n", // =================
},
"----------\n" +
"1. ERROR in X.java (at line 14)\n" +
" static C.B<Double> c = new C().new B<Double>();\n" +
" ^^^\n" +
"The member type A.B<Double> must be qualified with a parameterized type, since it is not static\n" +
"----------\n" +
"2. WARNING in X.java (at line 14)\n" +
" static C.B<Double> c = new C().new B<Double>();\n" +
" ^\n" +
"C is a raw type. References to generic type C<T> should be parameterized\n" +
"----------\n" +
"3. ERROR in X.java (at line 14)\n" +
" static C.B<Double> c = new C().new B<Double>();\n" +
" ^\n" +
"The member type A.B<Double> must be qualified with a parameterized type, since it is not static\n" +
"----------\n" +
"4. ERROR in X.java (at line 17)\n" +
" C.B<String> temp = new C().new B<String>();\n" +
" ^^^\n" +
"The member type A.B<String> must be qualified with a parameterized type, since it is not static\n" +
"----------\n" +
"5. WARNING in X.java (at line 17)\n" +
" C.B<String> temp = new C().new B<String>();\n" +
" ^\n" +
"C is a raw type. References to generic type C<T> should be parameterized\n" +
"----------\n" +
"6. ERROR in X.java (at line 17)\n" +
" C.B<String> temp = new C().new B<String>();\n" +
" ^\n" +
"The member type A.B<String> must be qualified with a parameterized type, since it is not static\n" +
"----------\n" +
"7. ERROR in X.java (at line 23)\n" +
" static C.B<? extends Number> bar() {\n" +
" ^^^\n" +
"The member type A.B<? extends Number> must be qualified with a parameterized type, since it is not static\n" +
"----------\n" +
"8. WARNING in X.java (at line 24)\n" +
" return new C().new B<Integer>();\n" +
" ^\n" +
"C is a raw type. References to generic type C<T> should be parameterized\n" +
"----------\n" +
"9. ERROR in X.java (at line 24)\n" +
" return new C().new B<Integer>();\n" +
" ^\n" +
"The member type A.B<Integer> must be qualified with a parameterized type, since it is not static\n" +
"----------\n" +
"10. ERROR in X.java (at line 27)\n" +
" static void foo(C.B<?> arg) {\n" +
" ^^^\n" +
"The member type A.B<?> must be qualified with a parameterized type, since it is not static\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=183216 - variation
public void test1128() {
this.runNegativeTest(
new String[] {
"X.java",
"class A<T> {\n" +
" class Member<U> {}\n" +
"}\n" +
"\n" +
"public class X extends A {\n" +
" void foo() {\n" +
" new Member<String>();\n" +
" new X().new Member<String>();\n" +
" }\n" +
"}\n", // =================
},
"----------\n" +
"1. WARNING in X.java (at line 5)\n" +
" public class X extends A {\n" +
" ^\n" +
"A is a raw type. References to generic type A<T> should be parameterized\n" +
"----------\n" +
"2. ERROR in X.java (at line 7)\n" +
" new Member<String>();\n" +
" ^^^^^^\n" +
"The member type A.Member<String> must be qualified with a parameterized type, since it is not static\n" +
"----------\n" +
"3. ERROR in X.java (at line 8)\n" +
" new X().new Member<String>();\n" +
" ^^^^^^\n" +
"The member type A.Member<String> must be qualified with a parameterized type, since it is not static\n" +
"----------\n");
}
public void test1129() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.io.Serializable;\n" +
"\n" +
"abstract class Arg1 implements Comparable<Arg1>, Serializable {\n" +
" private static final long serialVersionUID = 1L;\n" +
"}\n" +
"abstract class Arg2 implements Serializable, Comparable<Arg2> {\n" +
" private static final long serialVersionUID = 1L;\n" +
"}\n" +
"\n" +
"interface IX<T> {}\n" +
"\n" +
"public class X {\n" +
" void foo1(boolean b, IX<String> arg2) {\n" +
" IX<String> o = b ? null : arg2;\n" +
" IX<String> o2 = b ? arg2 : null;\n" +
" }\n" +
" void foo2(boolean b, IX<String> arg1, IX<? extends Object> arg2) {\n" +
" String s = b ? arg1 : arg2;\n" +
" }\n" +
" void foo3(boolean b, Arg1 arg1, Arg2 arg2) {\n" +
" String s = b ? arg1 : arg2;\n" +
" }\n" +
"} ", // =================
},
this.complianceLevel < ClassFileConstants.JDK1_8 ?
"----------\n" +
"1. ERROR in X.java (at line 18)\n" +
" String s = b ? arg1 : arg2;\n" +
" ^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from IX<capture#2-of ? extends Object> to String\n" +
"----------\n" +
"2. ERROR in X.java (at line 21)\n" +
" String s = b ? arg1 : arg2;\n" +
" ^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Object&Comparable<?>&Serializable to String\n" +
"----------\n" :
"----------\n" +
"1. ERROR in X.java (at line 18)\n" +
" String s = b ? arg1 : arg2;\n" +
" ^^^^\n" +
"Type mismatch: cannot convert from IX<String> to String\n" +
"----------\n" +
"2. ERROR in X.java (at line 18)\n" +
" String s = b ? arg1 : arg2;\n" +
" ^^^^\n" +
"Type mismatch: cannot convert from IX<capture#1-of ? extends Object> to String\n" +
"----------\n" +
"3. ERROR in X.java (at line 21)\n" +
" String s = b ? arg1 : arg2;\n" +
" ^^^^\n" +
"Type mismatch: cannot convert from Arg1 to String\n" +
"----------\n" +
"4. ERROR in X.java (at line 21)\n" +
" String s = b ? arg1 : arg2;\n" +
" ^^^^\n" +
"Type mismatch: cannot convert from Arg2 to String\n" +
"----------\n");
}
public void test1130() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.io.Serializable;\n" +
"import java.util.List;\n" +
"\n" +
"interface IX<T extends Comparable<T>&Serializable> {}\n" +
"\n" +
"public class X<T extends Comparable<T>&Serializable> {\n" +
" void foo4(boolean b, List<? extends T> l1, List<? extends Comparable<T>> l2) {\n" +
" String s = b ? l1.get(0) : l2.get(0);\n" +
" }\n" +
"}\n", // =================
},
this.complianceLevel < ClassFileConstants.JDK1_8 ?
"----------\n" +
"1. ERROR in X.java (at line 8)\n" +
" String s = b ? l1.get(0) : l2.get(0);\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Comparable<T> to String\n" +
"----------\n" :
"----------\n" +
"1. ERROR in X.java (at line 8)\n" +
" String s = b ? l1.get(0) : l2.get(0);\n" +
" ^^^^^^^^^\n" +
"Type mismatch: cannot convert from capture#1-of ? extends T to String\n" +
"----------\n" +
"2. ERROR in X.java (at line 8)\n" +
" String s = b ? l1.get(0) : l2.get(0);\n" +
" ^^^^^^^^^\n" +
"Type mismatch: cannot convert from capture#2-of ? extends Comparable<T> to String\n" +
"----------\n");
}
public void test1131() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.io.Serializable;\n" +
"import java.util.List;\n" +
"\n" +
"public class X<T extends Comparable<T>&Serializable> {\n" +
" <V extends T> void foo4(boolean b, List<? extends V> l1, List<? extends Comparable<V>> l2) {\n" +
" String s = b ? l1.get(0) : l2.get(0);\n" +
" }\n" +
"} \n", // =================
},
this.complianceLevel < ClassFileConstants.JDK1_8 ?
"----------\n" +
"1. ERROR in X.java (at line 6)\n" +
" String s = b ? l1.get(0) : l2.get(0);\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Comparable<capture#3-of ? extends T> to String\n" +
"----------\n" :
"----------\n" +
"1. ERROR in X.java (at line 6)\n" +
" String s = b ? l1.get(0) : l2.get(0);\n" +
" ^^^^^^^^^\n" +
"Type mismatch: cannot convert from capture#1-of ? extends V to String\n" +
"----------\n" +
"2. ERROR in X.java (at line 6)\n" +
" String s = b ? l1.get(0) : l2.get(0);\n" +
" ^^^^^^^^^\n" +
"Type mismatch: cannot convert from capture#2-of ? extends Comparable<V> to String\n" +
"----------\n");
}
public void test1132() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"\n" +
"public class X<T> {\n" +
"\n" +
" public void thisDoesntCompile() {\n" +
" X myThing = new X<Object>();\n" +
" Integer i = myThing.getList().get(0); // Type Mismatch error - Since\n" +
" // myThing is unbounded, return\n" +
" // type List<Integer> becomes unbounded\n" +
" }\n" +
"\n" +
" public List<Integer> getList() {\n" +
" ArrayList<Integer> l = new ArrayList<Integer>();\n" +
" l.add(new Integer(0));\n" +
" return l;\n" +
" }\n" +
"\n" +
" public void thisMethodCompilesOk() {\n" +
" X<Object> myThing = new X<Object>();\n" +
" Integer i = myThing.getList().get(0);\n" +
" }\n" +
"\n" +
" public void thisMethodAlsoCompilesOk() {\n" +
" X myThing = new X<Object>();\n" +
" List<Integer> l = myThing.getList();\n" +
" Integer i = l.get(0);\n" +
" }\n" +
"}\n", // =================
},
"----------\n" +
"1. WARNING in X.java (at line 6)\n" +
" X myThing = new X<Object>();\n" +
" ^\n" +
"X is a raw type. References to generic type X<T> should be parameterized\n" +
"----------\n" +
"2. ERROR in X.java (at line 7)\n" +
" Integer i = myThing.getList().get(0); // Type Mismatch error - Since\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Object to Integer\n" +
"----------\n" +
"3. WARNING in X.java (at line 24)\n" +
" X myThing = new X<Object>();\n" +
" ^\n" +
"X is a raw type. References to generic type X<T> should be parameterized\n" +
"----------\n" +
"4. WARNING in X.java (at line 25)\n" +
" List<Integer> l = myThing.getList();\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"Type safety: The expression of type List needs unchecked conversion to conform to List<Integer>\n" +
"----------\n");
}
public void test1133() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"\n" +
"class Y {\n" +
" List<String> foo() { return null; }\n" +
"}\n" +
"\n" +
"public class X<T> extends Y {\n" +
" List<String> bar() { return null; }\n" +
" \n" +
" void m(X x) {\n" +
" List<Object> l1 = x.foo();\n" +
" List<Object> l2 = x.bar();\n" +
" }\n" +
"}\n", // =================
},
"----------\n" +
"1. WARNING in X.java (at line 10)\n" +
" void m(X x) {\n" +
" ^\n" +
"X is a raw type. References to generic type X<T> should be parameterized\n" +
"----------\n" +
"2. ERROR in X.java (at line 11)\n" +
" List<Object> l1 = x.foo();\n" +
" ^^^^^^^\n" +
"Type mismatch: cannot convert from List<String> to List<Object>\n" +
"----------\n" +
"3. WARNING in X.java (at line 12)\n" +
" List<Object> l2 = x.bar();\n" +
" ^^^^^^^\n" +
"Type safety: The expression of type List needs unchecked conversion to conform to List<Object>\n" +
"----------\n");
}
public void test1134() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"\n" +
"class Y<U> {\n" +
" List<String> foo() { return null; }\n" +
"}\n" +
"\n" +
"public class X<T> extends Y<T> {\n" +
" List<String> bar() { return null; }\n" +
" \n" +
" void m(X x) {\n" +
" List<Object> l1 = x.foo();\n" +
" List<Object> l2 = x.bar();\n" +
" Zork z;\n" +
" }\n" +
"}\n", // =================
},
"----------\n" +
"1. WARNING in X.java (at line 10)\n" +
" void m(X x) {\n" +
" ^\n" +
"X is a raw type. References to generic type X<T> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 11)\n" +
" List<Object> l1 = x.foo();\n" +
" ^^^^^^^\n" +
"Type safety: The expression of type List needs unchecked conversion to conform to List<Object>\n" +
"----------\n" +
"3. WARNING in X.java (at line 12)\n" +
" List<Object> l2 = x.bar();\n" +
" ^^^^^^^\n" +
"Type safety: The expression of type List needs unchecked conversion to conform to List<Object>\n" +
"----------\n" +
"4. ERROR in X.java (at line 13)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=185422
public void test1135() {
runNegativeTest(
new String[] { /* test files */
"X.java",
"class Foo <T>{\n" +
" private T myT;\n" +
"\n" +
" public T getT() {\n" +
" return myT;\n" +
" }\n" +
"\n" +
" public void setT(T aT) {\n" +
" myT = aT;\n" +
" }\n" +
"}\n" +
"\n" +
"public class X extends Foo<X.Baz> {\n" +
" X.Baz baz;\n" +
" public static void main(String[] args) {\n" +
" X myBar = new X();\n" +
" myBar.setT(new Baz());\n" +
" System.out.println(myBar.getT().toString());\n" +
" }\n" +
"\n" +
" private static class Baz {\n" +
" @Override\n" +
" public String toString() {\n" +
" return \"Baz\";\n" +
" }\n" +
" } \n" +
"}\n", // =================
},
"----------\n" +
"1. ERROR in X.java (at line 13)\n" +
" public class X extends Foo<X.Baz> {\n" +
" ^^^^^\n" +
"The type X.Baz is not visible\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=154029
public void test1136() {
Map options = getCompilerOptions();
options.put(JavaCore.COMPILER_PB_UNCHECKED_TYPE_OPERATION, JavaCore.IGNORE);
String xSource =
"import java.util.*;\n" +
"public class X {\n" +
" public static void main(String[] args) {\n" +
" List<Object> l1 = Arrays.asList(1, \"X\");\n" +
" \n" +
" B<String> b = null;\n" +
" C<String>c = null;\n" +
" List<Object> l2 = Arrays.asList(b, c);\n" +
" }\n" +
"}\n" +
"class A<T> {}\n" +
"interface I {}\n" +
"class B<T> extends A<T> implements I {}\n" +
"class C<T> extends A<T> implements I {}\n";
if (this.complianceLevel < ClassFileConstants.JDK1_8) {
this.runNegativeTest(
new String[] {
"X.java",
xSource,
},
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" List<Object> l1 = Arrays.asList(1, \"X\");\n" +
" ^^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from List<Object&Comparable<?>&Serializable> to List<Object>\n" +
"----------\n" +
"2. ERROR in X.java (at line 8)\n" +
" List<Object> l2 = Arrays.asList(b, c);\n" +
" ^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from List<A<String>&I> to List<Object>\n" +
"----------\n",
null,
true,
options);
} else {
runConformTest(new String[] { "X.java", xSource }, options);
}
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=154267
public void test1137() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.awt.Container;\n" +
"import java.util.Collection;\n" +
"\n" +
"abstract class Kollection<T extends Container> implements Collection<T> {}\n" +
"abstract class Kontainer extends Container {\n" +
" private static final long serialVersionUID = 1L;\n" +
"}\n" +
"\n" +
"public class X {\n" +
" private <T extends Container> Collection<T> foo() {\n" +
" return null;\n" +
" }\n" +
" private <T extends Container> Kollection<T> bar() {\n" +
" return null;\n" +
" }\n" +
"\n" +
" private void showProblem() {\n" +
" Collection<?> result = foo();\n" +
" Collection<? extends Container> result1 = foo();\n" +
" \n" +
" Collection<?> result2 = (Collection<Container>)foo();\n" +
" String result3 = foo();\n" +
" String result4 = (String) foo(); \n" +
"\n" +
" Kollection<?> result5 = bar();\n" +
" Kollection<? extends Kontainer> result6 = bar();\n" +
" }\n" +
"}\n", // =================
},
"----------\n" +
"1. WARNING in X.java (at line 21)\n" +
" Collection<?> result2 = (Collection<Container>)foo();\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Unnecessary cast from Collection<Container> to Collection<Container>\n" +
"----------\n" +
"2. ERROR in X.java (at line 22)\n" +
" String result3 = foo();\n" +
" ^^^^^\n" +
"Type mismatch: cannot convert from Collection<Container> to String\n" +
"----------\n" +
"3. ERROR in X.java (at line 23)\n" +
" String result4 = (String) foo(); \n" +
" ^^^^^^^^^^^^^^\n" +
"Cannot cast from Collection<Container> to String\n" +
"----------\n");
}
public void test1138() {
// binary prerequisite
this.runConformTest(
new String[] {
"p/E.java",
"package p;\n" +
"public enum E {\n" +
"}\n", // =================
},
"");
this.runConformTest(
new String[] {
"X.java",
"import static p.E.*;\n" +
"public class X implements java.io.Serializable {\n" +
"}\n", // =================
},
"",
null, // use default class-path
false, // do not flush previous output dir content
null); // no special vm args );
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=186833
public void test1139() {
this.runNegativeTest(
new String[] {
"p/X.java",
"package p;\n" +
"import p.X.Super;\n" +
"import static p.Top.*;\n" +
"\n" +
"class Top<T> {\n" +
" static class A<U> {}\n" +
"}\n" +
"\n" +
"public class X extends Super<A<X>> {\n" +
" static class Super<T> extends Top<T>{\n" +
" }\n" +
"}", // =================
},
"----------\n" +
"1. ERROR in p\\X.java (at line 9)\n" +
" public class X extends Super<A<X>> {\n" +
" ^^^^^\n" +
"Cycle detected: the type X cannot extend/implement itself or one of its own member types\n" +
"----------\n"
);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=186788
public void test1140() {
this.runNegativeTest(
new String[] {
"p/X.java",
"package p;\n" +
"import static p.X.Super;\n" +
"import static p.Top.*;\n" +
"\n" +
"class Top<T> {\n" +
" static class A<U> {}\n" +
"}\n" +
"\n" +
"public class X extends Super<A<X>> {\n" +
" class Super<T> extends Top<T>{\n" +
" }\n" +
"}", // =================
},
"----------\n" +
"1. ERROR in p\\X.java (at line 2)\n" +
" import static p.X.Super;\n" +
" ^^^^^^^^^\n" +
"The import p.X.Super cannot be resolved\n" +
"----------\n" +
"2. ERROR in p\\X.java (at line 9)\n" +
" public class X extends Super<A<X>> {\n" +
" ^^^^^\n" +
"Super cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=186833 - variation
public void test1141() {
this.runNegativeTest(
new String[] {
"p/X.java",
"package p;\n" +
"import static p.Top.*;\n" +
"\n" +
"class Top<T> {\n" +
" static class A<U> {}\n" +
"}\n" +
"\n" +
"public class X extends p.X.Super<A<X>> {\n" +
" static class Super<T> extends Top<T>{\n" +
" }\n" +
"}", // =================
},
"----------\n" +
"1. ERROR in p\\X.java (at line 8)\n" +
" public class X extends p.X.Super<A<X>> {\n" +
" ^^^^^^^^^\n" +
"Cycle detected: the type X cannot extend/implement itself or one of its own member types\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=190945
public void test1142() {
runNegativeTest(
// test directory preparation
new String[] { /* test files */
"X.java",
"import java.util.Comparator;\n" +
"import java.util.List;\n" +
"public class X {\n" +
" public static <T> Comparator<T> compound(Comparator<? super T> a, Comparator<? super T> b) {\n" +
" return compound(asList(a, b));\n" +
" }\n" +
"\n" +
" public static <T> Comparator<T> compound(Iterable<? extends Comparator<? super T>> comparators) {\n" +
" return null;\n" +
" }\n" +
" public static <E> List<E> asList(E a, E b) {\n" +
" return null;\n" +
" }\n" +
"}\n", // =================
},
// compiler results
this.complianceLevel < ClassFileConstants.JDK1_8 ?
"----------\n" + /* expected compiler log */
"1. ERROR in X.java (at line 5)\n" +
" return compound(asList(a, b));\n" +
" ^^^^^^^^\n" +
"The method compound(Iterable<? extends Comparator<? super T>>) in the type X is not applicable for the arguments (List<Comparator<? extends Object>>)\n" +
"----------\n"
// 1.8+ ATM, we generate an extra error due to inner poly expression evaluation.
:"----------\n" +
"1. ERROR in X.java (at line 5)\n" +
" return compound(asList(a, b));\n" +
" ^^^^^^^^\n" +
"The method compound(Iterable<? extends Comparator<? super T>>) in the type X is not applicable for the arguments (List<Comparator<? extends Object>>)\n" +
"----------\n" +
"2. ERROR in X.java (at line 5)\n" +
" return compound(asList(a, b));\n" +
" ^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from List<Comparator<? extends Object>> to Iterable<? extends Comparator<? super T>>\n" +
"----------\n",
// javac options
JavacTestOptions.JavacHasABug.JavacBug6573446 /* javac test options */);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=190945 - variation
public void test1143() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.Comparator;\n" +
"import java.util.List;\n" +
"public class X {\n" +
" public static <T> Comparator<T> compound(Comparator<? super T> a, Comparator<? super T> b) {\n" +
" int i = asList(a, b);\n" +
" }\n" +
"\n" +
" public static <T> Comparator<T> compound(Iterable<? extends Comparator<? super T>> comparators) {\n" +
" return null;\n" +
" }\n" +
" public static <E> List<E> asList(E a, E b) {\n" +
" return null;\n" +
" }\n" +
"}\n", // =================
},
"----------\n" +
"1. ERROR in X.java (at line 5)\n" +
" int i = asList(a, b);\n" +
" ^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from List<Comparator<? extends Object>> to int\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=190945 - variation
public void test1144() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.Comparator;\n" +
"import java.util.List;\n" +
"public class X {\n" +
" Iterable<Comparator<? extends Object>> itc1;\n" +
" Iterable<? extends Comparator<? super Object>> itc2 = itc1;\n" +
"}\n", // =================
},
"----------\n" +
"1. ERROR in X.java (at line 5)\n" +
" Iterable<? extends Comparator<? super Object>> itc2 = itc1;\n" +
" ^^^^\n" +
"Type mismatch: cannot convert from Iterable<Comparator<? extends Object>> to Iterable<? extends Comparator<? super Object>>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=190945 - variation
public void test1145() {
this.runConformTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"\n" +
"public class X {\n" +
" <T> Comparator<T> compound(Comparator<? super T> a, Comparator<? super T> b) {\n" +
" return compound(asList(a));\n" +
" }\n" +
" <T> Comparator<T> compound(Iterable<? extends Comparator<? super T>> c) {\n" +
" return null;\n" +
" }\n" +
" <E> List<E> asList(E a) {\n" +
" return null;\n" +
" }\n" +
"}\n", // =================
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=190945 - variation
public void test1146() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"public class X {\n" +
" public static <T> Comparator<T> compound(\n" +
" Comparator<? super T> a,\n" +
" Comparator<? super T> b, \n" +
" Comparator<? super T>... rest) {\n" +
" int i = asList(a, b, rest);\n" +
" int j = asList2(a, b);\n" +
" return compound(asList(a, b, rest));\n" +
" }\n" +
" public static <U> Comparator<U> compound(Iterable<? extends Comparator<? super U>> comparators) {\n" +
" return null;\n" +
" }\n" +
" public static <E> List<E> asList(E a, E b, E... rest) {\n" +
" return null;\n" +
" }\n" +
" public static <E> List<E> asList2(E a, E b) {\n" +
" return null;\n" +
" } \n" +
"}\n", // =================
},
this.complianceLevel < ClassFileConstants.JDK1_7 ?
"----------\n" +
"1. ERROR in X.java (at line 7)\n" +
" int i = asList(a, b, rest);\n" +
" ^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from List<Comparator<?>> to int\n" +
"----------\n" +
"2. ERROR in X.java (at line 8)\n" +
" int j = asList2(a, b);\n" +
" ^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from List<Comparator<? extends Object>> to int\n" +
"----------\n" +
"3. ERROR in X.java (at line 9)\n" +
" return compound(asList(a, b, rest));\n" +
" ^^^^^^^^\n" +
"The method compound(Iterable<? extends Comparator<? super U>>) in the type X is not applicable for the arguments (List<Comparator<?>>)\n" +
"----------\n":
(this.complianceLevel == ClassFileConstants.JDK1_7 ?
"----------\n" +
"1. WARNING in X.java (at line 6)\n" +
" Comparator<? super T>... rest) {\n" +
" ^^^^\n" +
"Type safety: Potential heap pollution via varargs parameter rest\n" +
"----------\n" +
"2. ERROR in X.java (at line 7)\n" +
" int i = asList(a, b, rest);\n" +
" ^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from List<Comparator<?>> to int\n" +
"----------\n" +
"3. ERROR in X.java (at line 8)\n" +
" int j = asList2(a, b);\n" +
" ^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from List<Comparator<? extends Object>> to int\n" +
"----------\n" +
"4. ERROR in X.java (at line 9)\n" +
" return compound(asList(a, b, rest));\n" +
" ^^^^^^^^\n" +
"The method compound(Iterable<? extends Comparator<? super U>>) in the type X is not applicable for the arguments (List<Comparator<?>>)\n" +
"----------\n" +
"5. WARNING in X.java (at line 14)\n" +
" public static <E> List<E> asList(E a, E b, E... rest) {\n" +
" ^^^^\n" +
"Type safety: Potential heap pollution via varargs parameter rest\n" +
"----------\n"
: // 1.8 : one fewer error due to better type inference:
"----------\n" +
"1. WARNING in X.java (at line 6)\n" +
" Comparator<? super T>... rest) {\n" +
" ^^^^\n" +
"Type safety: Potential heap pollution via varargs parameter rest\n" +
"----------\n" +
"2. ERROR in X.java (at line 7)\n" +
" int i = asList(a, b, rest);\n" +
" ^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from List<Comparator<? super T>> to int\n" +
"----------\n" +
"3. ERROR in X.java (at line 8)\n" +
" int j = asList2(a, b);\n" +
" ^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from List<Comparator<? extends Object>> to int\n" +
"----------\n" +
"4. WARNING in X.java (at line 14)\n" +
" public static <E> List<E> asList(E a, E b, E... rest) {\n" +
" ^^^^\n" +
"Type safety: Potential heap pollution via varargs parameter rest\n" +
"----------\n"));
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=190945 - variation
public void test1147() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"public class X {\n" +
" void foo(Comparator<? super X> cx, Comparator<? super X>[] cxs) {\n" +
" int i = cx;\n" +
" int j = cxs;\n" +
" int k = cxs[0];\n" +
" int l = asList2(cxs[0], cxs[1]);\n" +
" }\n" +
" public static <E> List<E> asList2(E a, E b) {\n" +
" return null;\n" +
" } \n" +
"}\n", // =================
},
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" int i = cx;\n" +
" ^^\n" +
"Type mismatch: cannot convert from Comparator<capture#1-of ? super X> to int\n" +
"----------\n" +
"2. ERROR in X.java (at line 5)\n" +
" int j = cxs;\n" +
" ^^^\n" +
"Type mismatch: cannot convert from Comparator<? super X>[] to int\n" +
"----------\n" +
"3. ERROR in X.java (at line 6)\n" +
" int k = cxs[0];\n" +
" ^^^^^^\n" +
"Type mismatch: cannot convert from Comparator<capture#2-of ? super X> to int\n" +
"----------\n" +
"4. ERROR in X.java (at line 7)\n" +
" int l = asList2(cxs[0], cxs[1]);\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from List<Comparator<? extends Object>> to int\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=190945 - variation
// FAIL ERRMSG
public void test1148() {
if (this.complianceLevel >= ClassFileConstants.JDK1_8)
return;
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"public class X {\n" +
" public static <T> Comparator<T> compound(Comparator<? super T> a, Comparator<? super T> b, Comparator<? super T>... rest) {\n" +
" int i = asList(a, b, rest);\n" +
" int j = compound(asList(a, b, rest));\n" +
" compound(asList(a, b, rest));\n" +
" if (true) return compound(asList(a, b, rest));\n" +
" \n" +
" List<Comparator<?>> c = null;\n" +
" compound(c);\n" +
" return compound(c);\n" +
" }\n" +
" public static <U> Comparator<U> compound(Iterable<? extends Comparator<? super U>> comparators) {\n" +
" return null;\n" +
" }\n" +
" public static <E> List<E> asList(E a, E b, E... rest) {\n" +
" return null;\n" +
" }\n" +
"}\n", // =================
},
this.complianceLevel < ClassFileConstants.JDK1_7 ?
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" int i = asList(a, b, rest);\n" +
" ^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from List<Comparator<?>> to int\n" +
"----------\n" +
"2. ERROR in X.java (at line 5)\n" +
" int j = compound(asList(a, b, rest));\n" +
" ^^^^^^^^\n" +
"The method compound(Iterable<? extends Comparator<? super U>>) in the type X is not applicable for the arguments (List<Comparator<?>>)\n" +
"----------\n" +
"3. ERROR in X.java (at line 6)\n" +
" compound(asList(a, b, rest));\n" +
" ^^^^^^^^\n" +
"The method compound(Iterable<? extends Comparator<? super U>>) in the type X is not applicable for the arguments (List<Comparator<?>>)\n" +
"----------\n" +
"4. ERROR in X.java (at line 7)\n" +
" if (true) return compound(asList(a, b, rest));\n" +
" ^^^^^^^^\n" +
"The method compound(Iterable<? extends Comparator<? super U>>) in the type X is not applicable for the arguments (List<Comparator<?>>)\n" +
"----------\n" +
"5. ERROR in X.java (at line 10)\n" +
" compound(c);\n" +
" ^^^^^^^^\n" +
"The method compound(Iterable<? extends Comparator<? super U>>) in the type X is not applicable for the arguments (List<Comparator<?>>)\n" +
"----------\n" +
"6. ERROR in X.java (at line 11)\n" +
" return compound(c);\n" +
" ^^^^^^^^\n" +
"The method compound(Iterable<? extends Comparator<? super U>>) in the type X is not applicable for the arguments (List<Comparator<?>>)\n" +
"----------\n":
this.complianceLevel == ClassFileConstants.JDK1_7 ?
"----------\n" +
"1. WARNING in X.java (at line 3)\n" +
" public static <T> Comparator<T> compound(Comparator<? super T> a, Comparator<? super T> b, Comparator<? super T>... rest) {\n" +
" ^^^^\n" +
"Type safety: Potential heap pollution via varargs parameter rest\n" +
"----------\n" +
"2. ERROR in X.java (at line 4)\n" +
" int i = asList(a, b, rest);\n" +
" ^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from List<Comparator<?>> to int\n" +
"----------\n" +
"3. ERROR in X.java (at line 5)\n" +
" int j = compound(asList(a, b, rest));\n" +
" ^^^^^^^^\n" +
"The method compound(Iterable<? extends Comparator<? super U>>) in the type X is not applicable for the arguments (List<Comparator<?>>)\n" +
"----------\n" +
"4. ERROR in X.java (at line 6)\n" +
" compound(asList(a, b, rest));\n" +
" ^^^^^^^^\n" +
"The method compound(Iterable<? extends Comparator<? super U>>) in the type X is not applicable for the arguments (List<Comparator<?>>)\n" +
"----------\n" +
"5. ERROR in X.java (at line 7)\n" +
" if (true) return compound(asList(a, b, rest));\n" +
" ^^^^^^^^\n" +
"The method compound(Iterable<? extends Comparator<? super U>>) in the type X is not applicable for the arguments (List<Comparator<?>>)\n" +
"----------\n" +
"6. ERROR in X.java (at line 10)\n" +
" compound(c);\n" +
" ^^^^^^^^\n" +
"The method compound(Iterable<? extends Comparator<? super U>>) in the type X is not applicable for the arguments (List<Comparator<?>>)\n" +
"----------\n" +
"7. ERROR in X.java (at line 11)\n" +
" return compound(c);\n" +
" ^^^^^^^^\n" +
"The method compound(Iterable<? extends Comparator<? super U>>) in the type X is not applicable for the arguments (List<Comparator<?>>)\n" +
"----------\n" +
"8. WARNING in X.java (at line 16)\n" +
" public static <E> List<E> asList(E a, E b, E... rest) {\n" +
" ^^^^\n" +
"Type safety: Potential heap pollution via varargs parameter rest\n" +
"----------\n"
: // fewer errors in 1.8+:
"----------\n" +
"1. WARNING in X.java (at line 3)\n" +
" public static <T> Comparator<T> compound(Comparator<? super T> a, Comparator<? super T> b, Comparator<? super T>... rest) {\n" +
" ^^^^\n" +
"Type safety: Potential heap pollution via varargs parameter rest\n" +
"----------\n" +
"2. ERROR in X.java (at line 4)\n" +
" int i = asList(a, b, rest);\n" +
" ^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from List<Comparator<?>> to int\n" +
"----------\n" +
"3. ERROR in X.java (at line 5)\n" +
" int j = compound(asList(a, b, rest));\n" +
" ^^^^^^^^\n" +
"The method compound(Iterable<? extends Comparator<? super U>>) in the type X is not applicable for the arguments (List<Comparator<?>>)\n" +
"----------\n" +
"4. ERROR in X.java (at line 10)\n" +
" compound(c);\n" +
" ^^^^^^^^\n" +
"The method compound(Iterable<? extends Comparator<? super U>>) in the type X is not applicable for the arguments (List<Comparator<?>>)\n" +
"----------\n" +
"5. ERROR in X.java (at line 11)\n" +
" return compound(c);\n" +
" ^^^^^^^^\n" +
"The method compound(Iterable<? extends Comparator<? super U>>) in the type X is not applicable for the arguments (List<Comparator<?>>)\n" +
"----------\n" +
"6. WARNING in X.java (at line 16)\n" +
" public static <E> List<E> asList(E a, E b, E... rest) {\n" +
" ^^^^\n" +
"Type safety: Potential heap pollution via varargs parameter rest\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=198051
public void test1149() {
String bSource =
"public class B {\n" +
" void b() throws ClassNotFoundException {\n" +
" new<ClassNotFoundException> A();\n" +
" }\n" +
"}\n";
runConformTest(
// test directory preparation
new String[] { /* test files */
"A.java",
"public class A {\n" +
" <T extends Throwable> A() throws T {}\n" +
" void a() throws ClassNotFoundException {\n" +
" new<ClassNotFoundException> A();\n" +
" }\n" +
"}\n",
"B.java",
bSource
},
// javac options
JavacTestOptions.EclipseJustification.EclipseBug234815 /* javac test options */);
runConformTest(
// test directory preparation
false /* do not flush output directory */,
new String[] { /* test files */
"B.java",
bSource
},
// compiler results
"" /* expected compiler log */,
// runtime results
"" /* expected output string */,
"" /* expected error string */,
// javac options
JavacTestOptions.EclipseJustification.EclipseBug234815 /* javac test options */);
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=234815 (invalid)
public void test1149b() {
runConformTest(
new String[] {
"A.java",
"public class A {\n" +
" <T extends Throwable> void foo() throws T {}\n" +
" void a() throws ClassNotFoundException {\n" +
" new A().<ClassNotFoundException>foo();\n" +
" }\n" +
"}\n",
},
""
);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=189158
public void test1150() throws Exception {
this.runConformTest(
new String[] {
"X.java",
"import java.lang.ref.Reference;\n"+
"public class X<T> {\n" +
" static class Rather {\n" +
" static class Deeply {\n" +
" static class Inside {\n" +
" }\n" +
" }\n" +
" }\n" +
" Reference<X.Rather.Deeply> x;\n" +
" Reference<X.Rather> y; \n" +
" Reference<X.Rather.Deeply.Inside> z; \n" +
"\n" +
" public static void main(String[] args) throws Exception {\n" +
" System.out.print(X.class.getDeclaredField(\"x\").getGenericType());\n" +
" System.out.print(\"##\");\n" +
" System.out.print(X.class.getDeclaredField(\"y\").getGenericType());\n" +
" System.out.print(\"##\");\n" +
" System.out.print(X.class.getDeclaredField(\"z\").getGenericType());\n" +
" System.out.println();\n" +
" }\n" +
"}\n"
},
"java.lang.ref.Reference<X$Rather$Deeply>##java.lang.ref.Reference<X$Rather>##java.lang.ref.Reference<X$Rather$Deeply$Inside>"
);
String expectedOutput =
" // Field descriptor #6 Ljava/lang/ref/Reference;\n" +
" // Signature: Ljava/lang/ref/Reference<LX$Rather$Deeply;>;\n" +
" java.lang.ref.Reference x;\n" +
" \n" +
" // Field descriptor #6 Ljava/lang/ref/Reference;\n" +
" // Signature: Ljava/lang/ref/Reference<LX$Rather;>;\n" +
" java.lang.ref.Reference y;\n" +
" \n" +
" // Field descriptor #6 Ljava/lang/ref/Reference;\n" +
" // Signature: Ljava/lang/ref/Reference<LX$Rather$Deeply$Inside;>;\n" +
" java.lang.ref.Reference z;\n";
File f = new File(OUTPUT_DIR + File.separator + "X.class");
byte[] classFileBytes = org.eclipse.jdt.internal.compiler.util.Util.getFileByteContent(f);
ClassFileBytesDisassembler disassembler = ToolFactory.createDefaultClassFileBytesDisassembler();
String result = disassembler.disassemble(classFileBytes, "\n", ClassFileBytesDisassembler.DETAILED);
int index = result.indexOf(expectedOutput);
if (index == -1 || expectedOutput.length() == 0) {
System.out.println(Util.displayString(result, 3));
}
if (index == -1) {
assertEquals("Wrong contents", expectedOutput, result);
}
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=189158 - variation
public void test1151() throws Exception {
this.runConformTest(
new String[] {
"X.java",
"import java.lang.ref.Reference;\n"+
"public class X<T> {\n" +
" class Other<U> {\n" +
" class Deeply {\n" +
" class Inside<V> {\n" +
" } \n" +
" }\n" +
" }\n" +
" Reference<X<String>.Other<Thread>.Deeply> t;\n" +
" Reference<X<String>.Other<Thread>.Deeply.Inside<Number>> u;\n" +
"\n" +
" public static void main(String[] args) throws Exception {\n" +
" System.out.print(X.class.getDeclaredField(\"t\").getGenericType());\n" +
" //System.out.print(\"##\");\n" +
" //System.out.print(X.class.getDeclaredField(\"u\").getGenericType());\n" + // TODO disabled due to bug in libs (unable to re-read the generated signature)
" System.out.println();\n" +
" }\n" +
"}\n"
},
//"java.lang.ref.Reference<X<java.lang.String>.Other<java.lang.Thread>.Deeply>##java.lang.ref.Reference<X<java.lang.String>.Other<java.lang.Thread>.Deeply$Inside<java.lang.Number>>"
"java.lang.ref.Reference<X<java.lang.String>.Other<java.lang.Thread>.Deeply>"
);
String expectedOutput =
" // Field descriptor #6 Ljava/lang/ref/Reference;\n" +
" // Signature: Ljava/lang/ref/Reference<LX<Ljava/lang/String;>.Other<Ljava/lang/Thread;>.Deeply;>;\n" +
" java.lang.ref.Reference t;\n" +
" \n" +
" // Field descriptor #6 Ljava/lang/ref/Reference;\n" +
" // Signature: Ljava/lang/ref/Reference<LX<Ljava/lang/String;>.Other<Ljava/lang/Thread;>.Deeply.Inside<Ljava/lang/Number;>;>;\n" +
" java.lang.ref.Reference u;\n";
File f = new File(OUTPUT_DIR + File.separator + "X.class");
byte[] classFileBytes = org.eclipse.jdt.internal.compiler.util.Util.getFileByteContent(f);
ClassFileBytesDisassembler disassembler = ToolFactory.createDefaultClassFileBytesDisassembler();
String result = disassembler.disassemble(classFileBytes, "\n", ClassFileBytesDisassembler.DETAILED);
int index = result.indexOf(expectedOutput);
if (index == -1 || expectedOutput.length() == 0) {
System.out.println(Util.displayString(result, 3));
}
if (index == -1) {
assertEquals("Wrong contents", expectedOutput, result);
}
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=189158 - variation
public void test1152() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.lang.ref.Reference;\n"+
"public class X<T> {\n" +
" class Other<U> {\n" +
" class Deeply {\n" +
" class Inside<V> {\n" +
" } \n" +
" }\n" +
" }\n" +
" Reference<X<String>.Other<Thread>.Deeply.Inside> u;\n" +
"\n" +
" public static void main(String[] args) throws Exception {\n" +
" System.out.print(X.class.getDeclaredField(\"u\").getGenericType());\n" +
" System.out.println();\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 9)\n" +
" Reference<X<String>.Other<Thread>.Deeply.Inside> u;\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"The member type X<String>.Other<Thread>.Deeply.Inside must be parameterized, since it is qualified with a parameterized type\n" +
"----------\n" );
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=189158 - variation
public void test1153() {
// check proper decoding of binary signatures, by compiling against generated binary
this.runConformTest(
new String[] {
"p/X.java",
"package p;\n" +
"import java.lang.ref.Reference;\n" +
"public class X<T> {\n" +
" public static class Rather {\n" +
" public static class Deeply {\n" +
" public static class Inside {\n" +
" }\n" +
" }\n" +
" }\n" +
" public class Other<U> {\n" +
" public class Deeply {\n" +
" public class Inside<V> {\n" +
" } \n" +
" }\n" +
" }\n" +
" public Reference<X.Rather.Deeply> x;\n" +
" public Reference<X.Rather> y; \n" +
" public Reference<X.Rather.Deeply.Inside> z; \n" +
" public Reference<X<String>.Other<Thread>.Deeply> t;\n" +
" public Reference<X<String>.Other<Thread>.Deeply.Inside<Number>> u;\n" +
"}\n",
},
""
);
this.runConformTest(
new String[] {
"Y.java",
"import java.lang.ref.Reference;\n" +
"import p.X;\n" +
"public class Y {\n" +
" Reference<X.Rather.Deeply> x;\n" +
" Reference<X.Rather> y; \n" +
" Reference<X.Rather.Deeply.Inside> z; \n" +
" Reference<X<String>.Other<Thread>.Deeply> t;\n" +
" Reference<X<String>.Other<Thread>.Deeply.Inside<Number>> u;\n" +
" Y(X someX) {\n" +
" this.x = someX.x;\n" +
" this. y = someX.y; \n" +
" this.z = someX.z; \n" +
" this.t = someX.t;\n" +
" this.u = someX.u; \n" +
" }\n" +
" public static void main(String[] args) throws Exception {\n" +
" System.out.print(Y.class.getDeclaredField(\"x\").getGenericType());\n" +
" System.out.print(\"##\");\n" +
" System.out.print(Y.class.getDeclaredField(\"y\").getGenericType());\n" +
" System.out.print(\"##\");\n" +
" System.out.print(Y.class.getDeclaredField(\"z\").getGenericType());\n" +
" System.out.print(\"##\");\n" +
" System.out.print(Y.class.getDeclaredField(\"t\").getGenericType());\n" +
" //System.out.print(\"##\");\n" +
" //System.out.print(Y.class.getDeclaredField(\"u\").getGenericType());\n" + // TODO disabled due to bug in libs (unable to re-read the generated signature)
" System.out.println();\n" +
" }\n" +
"}\n"
},
"java.lang.ref.Reference<p.X$Rather$Deeply>##java.lang.ref.Reference<p.X$Rather>##java.lang.ref.Reference<p.X$Rather$Deeply$Inside>##java.lang.ref.Reference<p.X<java.lang.String>.Other<java.lang.Thread>.Deeply>",
null,
false, // do not flush output
null);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=189158 - variation
public void test1154() throws Exception {
this.runConformTest(
new String[] {
"X.java",
"import java.lang.ref.Reference;\n" +
"public class X {\n" +
" class Other<U> {\n" +
" class Deeply {\n" +
" class Deeper {\n" +
" class Inside<V> {\n" +
" } \n" +
" }\n" +
" }\n" +
" }\n" +
" Reference<X.Other<Thread>.Deeply> t;\n" +
" Reference<X.Other<Thread>.Deeply.Deeper.Inside<Number>> u;\n" +
"\n" +
" public static void main(String[] args) throws Exception {\n" +
" //System.out.print(X.class.getDeclaredField(\"t\").getGenericType());\n" + // TODO disabled due to bug in libs (unable to re-read the generated signature)
" //System.out.print(\"##\");\n" +
" //System.out.print(X.class.getDeclaredField(\"u\").getGenericType());\n" + // TODO disabled due to bug in libs (unable to re-read the generated signature)
" System.out.println();\n" +
" }\n" +
"}\n"
},
"");
String expectedOutput =
" // Field descriptor #6 Ljava/lang/ref/Reference;\n" +
" // Signature: Ljava/lang/ref/Reference<LX$Other<Ljava/lang/Thread;>.Deeply;>;\n" +
" java.lang.ref.Reference t;\n" +
" \n" +
" // Field descriptor #6 Ljava/lang/ref/Reference;\n" +
" // Signature: Ljava/lang/ref/Reference<LX$Other<Ljava/lang/Thread;>.Deeply.Deeper.Inside<Ljava/lang/Number;>;>;\n" +
" java.lang.ref.Reference u;\n";
File f = new File(OUTPUT_DIR + File.separator + "X.class");
byte[] classFileBytes = org.eclipse.jdt.internal.compiler.util.Util.getFileByteContent(f);
ClassFileBytesDisassembler disassembler = ToolFactory.createDefaultClassFileBytesDisassembler();
String result = disassembler.disassemble(classFileBytes, "\n", ClassFileBytesDisassembler.DETAILED);
int index = result.indexOf(expectedOutput);
if (index == -1 || expectedOutput.length() == 0) {
System.out.println(Util.displayString(result, 3));
}
if (index == -1) {
assertEquals("Wrong contents", expectedOutput, result);
}
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=189158 - variation
public void test1155() throws Exception {
this.runConformTest(
new String[] {
"X.java",
"import java.lang.ref.Reference;\n" +
"public class X<T> {\n" +
" class Other<U> {\n" +
" class Deeply {\n" +
" class Deeper {\n" +
" class Inside<V> {\n" +
" } \n" +
" }\n" +
" }\n" +
" }\n" +
" Reference<X<String>.Other<Thread>.Deeply> t;\n" +
" Reference<X<String>.Other<Thread>.Deeply.Deeper.Inside<Number>> u;\n" +
"\n" +
" public static void main(String[] args) throws Exception {\n" +
" System.out.print(X.class.getDeclaredField(\"t\").getGenericType());\n" +
" //System.out.print(\"##\");\n" +
" //System.out.print(X.class.getDeclaredField(\"u\").getGenericType());\n" + // TODO disabled due to bug in libs (unable to re-read the generated signature)
" System.out.println();\n" +
" }\n" +
"}\n"
},
"java.lang.ref.Reference<X<java.lang.String>.Other<java.lang.Thread>.Deeply>" );
String expectedOutput =
" // Field descriptor #6 Ljava/lang/ref/Reference;\n" +
" // Signature: Ljava/lang/ref/Reference<LX<Ljava/lang/String;>.Other<Ljava/lang/Thread;>.Deeply;>;\n" +
" java.lang.ref.Reference t;\n" +
" \n" +
" // Field descriptor #6 Ljava/lang/ref/Reference;\n" +
" // Signature: Ljava/lang/ref/Reference<LX<Ljava/lang/String;>.Other<Ljava/lang/Thread;>.Deeply.Deeper.Inside<Ljava/lang/Number;>;>;\n" +
" java.lang.ref.Reference u;\n";
File f = new File(OUTPUT_DIR + File.separator + "X.class");
byte[] classFileBytes = org.eclipse.jdt.internal.compiler.util.Util.getFileByteContent(f);
ClassFileBytesDisassembler disassembler = ToolFactory.createDefaultClassFileBytesDisassembler();
String result = disassembler.disassemble(classFileBytes, "\n", ClassFileBytesDisassembler.DETAILED);
int index = result.indexOf(expectedOutput);
if (index == -1 || expectedOutput.length() == 0) {
System.out.println(Util.displayString(result, 3));
}
if (index == -1) {
assertEquals("Wrong contents", expectedOutput, result);
}
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=196253
public void test1156() {
this.runConformTest(
new String[] {
"C.java",
"public class C {\n" +
" R<X.N<X.N<?>>> xx = D.r;\n" +
"}",
"D.java",
"public class D {\n" +
" public static R<X.N<X.N<?>>> r;\n" +
"}",
"R.java",
"public class R<T> {}",
"X.java",
"public class X<T> {\n" +
" public static class N<U> {}\n" +
"}"
},
""
);
this.runConformTest(
new String[] {
"C.java",
"public class C {\n" +
" R<X.N<X.N<?>>> xx = D.r;\n" +
"}",
},
"",
null,
false, // do not flush output
null
);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=202624
public void test1157() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" public <A, B> void func(Class<? extends XX<A,B>> cls) {}\n" +
" public void func() {\n" +
" func(XX.class);\n" +
" \n" +
" Class<? extends XX<String,String>> c = XX.class;\n" +
" }\n" +
" class XX<A, B> {}\n" +
"}\n", // =================
},
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" func(XX.class);\n" +
" ^^^^\n" +
"The method func(Class<? extends X.XX<A,B>>) in the type X is not applicable for the arguments (Class<X.XX>)\n" +
"----------\n" +
"2. ERROR in X.java (at line 6)\n" +
" Class<? extends XX<String,String>> c = XX.class;\n" +
" ^^^^^^^^\n" +
"Type mismatch: cannot convert from Class<X.XX> to Class<? extends X.XX<String,String>>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=202404
public void test1158() {
this.runNegativeTest(
new String[] {
"X.java",
" class A {}\n" +
" class B extends A {}\n" +
" class C extends A{}\n" +
" \n" +
" class D<U extends A, V extends U> {}\n" +
"\n" +
"public class X {\n" +
" void foo() {\n" +
" D<?, ? super A> d1 = null;\n" +
" D<?, ? extends A> d2 = null;\n" +
" D<B, C> d3 = null;\n" +
" D<?, ?> d4 = null;\n" +
" }\n" +
"}\n", // =================
},
"----------\n" +
"1. ERROR in X.java (at line 11)\n" +
" D<B, C> d3 = null;\n" +
" ^\n" +
"Bound mismatch: The type C is not a valid substitute for the bounded parameter <V extends U> of the type D<U,V>\n" +
"----------\n"
);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=202404 - variation
public void test1159() {
this.runConformTest(
new String[] {
"X.java",
"class Y<U extends Y<U>> {}\n" +
"public class X<V extends X<V>> extends Y<V>{\n" +
" void foo(X<? extends V> x) {}\n" +
"}\n", // =================
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=202404 - variation
public void test1160() {
this.runNegativeTest(
new String[] {
"X.java",
"class Y<T extends Y<T>> {}\n" +
"class Z<U extends Y<U>> {}\n" +
"public class X<V extends Z<V>> extends Z<V>{\n" +
" void foo(X<? extends V> x) {}\n" +
"}\n", // =================
},
"----------\n" +
"1. ERROR in X.java (at line 3)\n" +
" public class X<V extends Z<V>> extends Z<V>{\n" +
" ^\n" +
"Bound mismatch: The type V is not a valid substitute for the bounded parameter <U extends Y<U>> of the type Z<U>\n" +
"----------\n" +
"2. ERROR in X.java (at line 3)\n" +
" public class X<V extends Z<V>> extends Z<V>{\n" +
" ^\n" +
"Bound mismatch: The type V is not a valid substitute for the bounded parameter <U extends Y<U>> of the type Z<U>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=202404 - variation
public void test1161() {
this.runConformTest(
new String[] {
"X.java",
"class Y<T extends Y<T>> {}\n" +
"class Z<U extends Y<U>> extends Y<U> {}\n" +
"public class X<V extends Z<V>> extends Z<V> {\n" +
" void foo(X<? extends V> x) {}\n" +
"}\n", // =================
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=202404 - variation
public void test1162() {
this.runConformTest(
new String[] {
"X.java",
"class Y<T extends Y<T>> {}\n" +
"class Z<U extends Z<U>> extends Y<U> {}\n" +
"public class X<V extends X<V>> extends Z<V>{\n" +
" void foo(Y<? extends V> y) {}\n" +
"}\n", // =================
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=203061 - variation
public void test1163() {
this.runNegativeTest(
new String[] {
"X.java",
"public final class X<T> {\n" +
" private final Object mObj;\n" +
" private final Object mDependent = new Object() {\n" +
" {\n" +
" Object o1 = mObj;\n" +
" }\n" +
" Object o2 = mObj;\n" +
" void foo() {\n" +
" Object o3 = mObj;\n" +
" }\n" +
" };\n" +
" public X() {\n" +
" mObj = \"\";\n" +
" }\n" +
"}\n", // =================
},
"----------\n" +
"1. WARNING in X.java (at line 5)\n" +
" Object o1 = mObj;\n" +
" ^^^^\n" +
"Read access to enclosing field X<T>.mObj is emulated by a synthetic accessor method\n" +
"----------\n" +
"2. ERROR in X.java (at line 5)\n" +
" Object o1 = mObj;\n" +
" ^^^^\n" +
"The blank final field mObj may not have been initialized\n" +
"----------\n" +
"3. WARNING in X.java (at line 7)\n" +
" Object o2 = mObj;\n" +
" ^^^^\n" +
"Read access to enclosing field X<T>.mObj is emulated by a synthetic accessor method\n" +
"----------\n" +
"4. ERROR in X.java (at line 7)\n" +
" Object o2 = mObj;\n" +
" ^^^^\n" +
"The blank final field mObj may not have been initialized\n" +
"----------\n" +
"5. WARNING in X.java (at line 9)\n" +
" Object o3 = mObj;\n" +
" ^^^^\n" +
"Read access to enclosing field X<T>.mObj is emulated by a synthetic accessor method\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=203061 - variation
public void test1164() {
this.runNegativeTest(
new String[] {
"X.java",
"public final class X<T> {\n" +
" private final Object mObj;\n" +
" private final Object mDependent = new Object() {\n" +
" {\n" +
" Object o1 = mObj;\n" +
" mObj = \"1\";\n" +
" }\n" +
" Object o2 = mObj = \"2\";\n" +
" void foo() {\n" +
" Object o3 = mObj;\n" +
" mObj = \"3\";\n" +
" }\n" +
" };\n" +
" public X() {\n" +
" mObj = \"\";\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. WARNING in X.java (at line 5)\n" +
" Object o1 = mObj;\n" +
" ^^^^\n" +
"Read access to enclosing field X<T>.mObj is emulated by a synthetic accessor method\n" +
"----------\n" +
"2. ERROR in X.java (at line 5)\n" +
" Object o1 = mObj;\n" +
" ^^^^\n" +
"The blank final field mObj may not have been initialized\n" +
"----------\n" +
"3. WARNING in X.java (at line 6)\n" +
" mObj = \"1\";\n" +
" ^^^^\n" +
"Write access to enclosing field X<T>.mObj is emulated by a synthetic accessor method\n" +
"----------\n" +
"4. ERROR in X.java (at line 6)\n" +
" mObj = \"1\";\n" +
" ^^^^\n" +
"The final field X<T>.mObj cannot be assigned\n" +
"----------\n" +
"5. WARNING in X.java (at line 8)\n" +
" Object o2 = mObj = \"2\";\n" +
" ^^^^\n" +
"Write access to enclosing field X<T>.mObj is emulated by a synthetic accessor method\n" +
"----------\n" +
"6. ERROR in X.java (at line 8)\n" +
" Object o2 = mObj = \"2\";\n" +
" ^^^^\n" +
"The final field X<T>.mObj cannot be assigned\n" +
"----------\n" +
"7. WARNING in X.java (at line 10)\n" +
" Object o3 = mObj;\n" +
" ^^^^\n" +
"Read access to enclosing field X<T>.mObj is emulated by a synthetic accessor method\n" +
"----------\n" +
"8. WARNING in X.java (at line 11)\n" +
" mObj = \"3\";\n" +
" ^^^^\n" +
"Write access to enclosing field X<T>.mObj is emulated by a synthetic accessor method\n" +
"----------\n" +
"9. ERROR in X.java (at line 11)\n" +
" mObj = \"3\";\n" +
" ^^^^\n" +
"The final field X<T>.mObj cannot be assigned\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=202404 - variation
public void test1165() {
this.runNegativeTest(
new String[] {
"X.java",
" interface A {}\n" +
" class B implements A {}\n" +
" class C implements A{}\n" +
" \n" +
" class D<U extends A, V extends U> {}\n" +
"\n" +
"public class X {\n" +
" void foo() {\n" +
" D<?, ? super A> d1 = null;\n" +
" D<?, ? extends A> d2 = null;\n" +
" D<B, C> d3 = null;\n" +
" D<?, ?> d4 = null;\n" +
" }\n" +
"}\n", // =================
},
"----------\n" +
"1. ERROR in X.java (at line 11)\n" +
" D<B, C> d3 = null;\n" +
" ^\n" +
"Bound mismatch: The type C is not a valid substitute for the bounded parameter <V extends U> of the type D<U,V>\n" +
"----------\n"
);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=203318
public void test1166() {
this.runConformTest(
new String[] {
"X.java",
"public class X<T extends Number> {\n" +
" T get() { return null; };\n" +
" void foo(X<? extends Object> x) {\n" +
" x.get().intValue(); \n" +
" }\n" +
"}\n", // =================
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=179902
// FIXME javac8 rejects
public void test1167() {
this.runConformTest(
new String[] {
"Foo.java",
"public class Foo<F extends Enum<F>> {\n" +
" class Bar<B> {\n" +
" Bar(Foo<? extends B> bar) {}\n" +
" }\n" +
"}\n", // =================
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=169049
public void test1168() {
this.runNegativeTest(
new String[] {
"example/Container.java",
"package example;\n" +
"class A<E> {}\n" +
"class B<E> extends A<E> {}\n" +
"\n" +
"public interface Container<T, U extends T, V extends A<T>> {\n" +
" <T1, U1 extends T1, V1 extends A<T1>> void f(\n" +
" Container<?, ?, ?> a, \n" +
" Container<?, ? extends T1, ?> b, \n" +
" Container<T1, U1, V1> c, \n" +
" Container<? extends T1, ? extends U1, ? extends V1> d, \n" +
" Container<T1, ? extends U1, ? extends V1> e, \n" +
" Container<T1, ? extends U1, A<T>> f, \n" +
" Container<T1, U1, A<U1>> g,\n" +
" Container<T1, U1, A<T1>> h);\n" +
"}\n", // =================
},
"----------\n" +
"1. ERROR in example\\Container.java (at line 12)\n" +
" Container<T1, ? extends U1, A<T>> f, \n" +
" ^\n" +
"Bound mismatch: The type A<T> is not a valid substitute for the bounded parameter <V extends A<T>> of the type Container<T,U,V>\n" +
"----------\n" +
"2. ERROR in example\\Container.java (at line 13)\n" +
" Container<T1, U1, A<U1>> g,\n" +
" ^\n" +
"Bound mismatch: The type A<U1> is not a valid substitute for the bounded parameter <V extends A<T>> of the type Container<T,U,V>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=169049 - variation
public void test1169() {
this.runNegativeTest(
new String[] {
"example/Container2.java",
"package example;\n" +
"class A<E> {}\n" +
"class B<E> extends A<E> {}\n" +
"\n" +
"public interface Container2<T, U extends T, V extends A<? extends T>> {\n" +
" <T1, U1 extends T1, V1 extends A<? extends T1>> void g(\n" +
" Container2<?, ?, ?> a, \n" +
" Container2<?, ? extends T1, ?> b, \n" +
" Container2<T1, U1, V1> c, \n" +
" Container2<? extends T1, ? extends U1, ? extends V1> d, \n" +
" Container2<T1, ? extends U1, ? extends V1> e, \n" +
" Container2<T1, ? extends U1, A<T>> f, \n" +
" Container2<T1, U1, A<U1>> g, \n" +
" Container2<? extends T1, U1, ? extends V1> h);\n" +
"\n" +
"}\n", // =================
},
"----------\n" +
"1. ERROR in example\\Container2.java (at line 12)\n" +
" Container2<T1, ? extends U1, A<T>> f, \n" +
" ^\n" +
"Bound mismatch: The type A<T> is not a valid substitute for the bounded parameter <V extends A<? extends T>> of the type Container2<T,U,V>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=169049 - variation
public void test1170() {
this.runNegativeTest(
new String[] {
"example/Container3.java",
"package example;\n" +
"class A<E> {}\n" +
"class B<E> extends A<E> {}\n" +
"\n" +
"public interface Container3<T, U extends T, V extends A<? super T>> {\n" +
" <T1, U1 extends T1, V1 extends A<? super T1>> void g(\n" +
" Container3<?, ?, ?> a, \n" +
" Container3<?, ? extends T1, ?> b, \n" +
" Container3<T1, U1, V1> c, \n" +
" Container3<? extends T1, ? extends U1, ? extends V1> d, \n" +
" Container3<T1, ? extends U1, ? extends V1> e, \n" +
" Container3<T1, ? extends U1, A<T>> f, \n" +
" Container3<T1, U1, A<U1>> g, \n" +
" Container3<? extends T1, U1, ? extends V1> h, \n" +
" Container3<T1, ? extends U1, A<? super T>> i, \n" +
" Container3<T1, ? extends U1, A> j);\n" +
"\n" +
" <T1, U1 extends T1, V1 extends B<? super T1>> void h(\n" +
" Container3<?, ?, ?> a, \n" +
" Container3<?, ? extends T1, ?> b, \n" +
" Container3<T1, U1, V1> c, \n" +
" Container3<? extends T1, ? extends U1, ? extends V1> d, \n" +
" Container3<T1, ? extends U1, ? extends V1> e, \n" +
" Container3<T1, ? extends U1, B<T>> f, \n" +
" Container3<T1, U1, B<U1>> g, \n" +
" Container3<? extends T1, U1, ? extends V1> h, \n" +
" Container3<T1, ? extends U1, B<? super T>> i, \n" +
" Container3<T1, ? extends U1, B> j);\n" +
"}\n", // =================
},
"----------\n" +
"1. ERROR in example\\Container3.java (at line 12)\n" +
" Container3<T1, ? extends U1, A<T>> f, \n" +
" ^\n" +
"Bound mismatch: The type A<T> is not a valid substitute for the bounded parameter <V extends A<? super T>> of the type Container3<T,U,V>\n" +
"----------\n" +
"2. ERROR in example\\Container3.java (at line 13)\n" +
" Container3<T1, U1, A<U1>> g, \n" +
" ^\n" +
"Bound mismatch: The type A<U1> is not a valid substitute for the bounded parameter <V extends A<? super T>> of the type Container3<T,U,V>\n" +
"----------\n" +
"3. ERROR in example\\Container3.java (at line 15)\n" +
" Container3<T1, ? extends U1, A<? super T>> i, \n" +
" ^\n" +
"Bound mismatch: The type A<? super T> is not a valid substitute for the bounded parameter <V extends A<? super T>> of the type Container3<T,U,V>\n" +
"----------\n" +
"4. WARNING in example\\Container3.java (at line 16)\n" +
" Container3<T1, ? extends U1, A> j);\n" +
" ^\n" +
"A is a raw type. References to generic type A<E> should be parameterized\n" +
"----------\n" +
"5. ERROR in example\\Container3.java (at line 16)\n" +
" Container3<T1, ? extends U1, A> j);\n" +
" ^\n" +
"Bound mismatch: The type A is not a valid substitute for the bounded parameter <V extends A<? super T>> of the type Container3<T,U,V>\n" +
"----------\n" +
"6. ERROR in example\\Container3.java (at line 24)\n" +
" Container3<T1, ? extends U1, B<T>> f, \n" +
" ^\n" +
"Bound mismatch: The type B<T> is not a valid substitute for the bounded parameter <V extends A<? super T>> of the type Container3<T,U,V>\n" +
"----------\n" +
"7. ERROR in example\\Container3.java (at line 25)\n" +
" Container3<T1, U1, B<U1>> g, \n" +
" ^\n" +
"Bound mismatch: The type B<U1> is not a valid substitute for the bounded parameter <V extends A<? super T>> of the type Container3<T,U,V>\n" +
"----------\n" +
"8. ERROR in example\\Container3.java (at line 27)\n" +
" Container3<T1, ? extends U1, B<? super T>> i, \n" +
" ^\n" +
"Bound mismatch: The type B<? super T> is not a valid substitute for the bounded parameter <V extends A<? super T>> of the type Container3<T,U,V>\n" +
"----------\n" +
"9. WARNING in example\\Container3.java (at line 28)\n" +
" Container3<T1, ? extends U1, B> j);\n" +
" ^\n" +
"B is a raw type. References to generic type B<E> should be parameterized\n" +
"----------\n" +
"10. ERROR in example\\Container3.java (at line 28)\n" +
" Container3<T1, ? extends U1, B> j);\n" +
" ^\n" +
"Bound mismatch: The type B is not a valid substitute for the bounded parameter <V extends A<? super T>> of the type Container3<T,U,V>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=203905
public void test1171() {
this.runConformTest(
new String[] {
"Function.java",
"public abstract class Function<A, B> {\n" +
" public abstract B apply(A a);\n" +
"\n" +
" /** (f andThen g)(x) = g(f(x)) */\n" +
" public <C1> Function<A, C1> andThen(final Function<B, C1> g) {\n" +
" return new Function<A, C1>() {\n" +
" @Override\n" +
" public C1 apply(A a) {\n" +
" return g.apply(Function.this.apply(a));\n" +
" }\n" +
" };\n" +
" }\n" +
"\n" +
" /** (f compose g)(x) = f(g(x)) */\n" +
" public <C2> Function<C2, B> compose(final Function<C2, A> g) {\n" +
" return g.andThen(this);\n" +
" }\n" +
"}\n", // =================
},
"");
}
public void test1172() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T> {\n" +
" T field;\n" +
" void foo(X<String> xs, X<Number> xn, boolean b) {\n" +
" (b ? xs : xn).field = xs.field;\n" +
" }\n" +
"}\n", // =================
},
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" (b ? xs : xn).field = xs.field;\n" +
" ^^^^^^^^\n" +
"Type mismatch: cannot convert from String to capture#1-of ? extends Serializable\n" +
"----------\n");
}
public void test1173() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T> {\n" +
" T field;\n" +
" void foo(X<Integer> x1, X<Long> x2, boolean b) {\n" +
" (b ? x1 : x2).field = x1.field;\n" +
" }\n" +
"}\n", // =================
},
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" (b ? x1 : x2).field = x1.field;\n" +
" ^^^^^^^^\n" +
"Type mismatch: cannot convert from Integer to capture#1-of ? extends Number&Comparable<?>\n" +
"----------\n");
}
public void test1174() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T> {\n" +
" T field;\n" +
" void foo(X<Integer> x1, X<Long> x2, boolean b) {\n" +
" (b ? x1 : x2).field = (b ? x1 : x2).field;\n" +
" }\n" +
"}\n", // =================
},
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" (b ? x1 : x2).field = (b ? x1 : x2).field;\n" +
" ^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from capture#2-of ? extends Number&Comparable<?> to capture#1-of ? extends Number&Comparable<?>\n" +
"----------\n");
}
public void test1175() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T extends A & B> {\n" +
" T field;\n" +
" void foo(X<? extends C> x1, X<? extends C> x2, boolean b) {\n" +
" (b ? x1 : x2).field = new C();\n" +
" }\n" +
"}\n" +
"class A {}\n" +
"interface B {}\n" +
"class C extends A implements B {}\n", // =================
},
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" (b ? x1 : x2).field = new C();\n" +
" ^^^^^^^\n" +
"Type mismatch: cannot convert from C to capture#3-of ? extends C\n" +
"----------\n");
}
public void test1176() {
runConformTest(
// test directory preparation
new String[] { /* test files */
"X.java",
"public class X<T extends Foo & Bar> {\n" +
" T get() { return null; }\n" +
" void method(X<? extends C> x1, X<? extends C> x2, boolean b) {\n" +
" (b ? x1 : x2).get().foo();\n" +
" (b ? x1 : x2).get().bar();\n" +
" }\n" +
"}\n" +
"class Foo {\n" +
" void foo() {/**/}\n" +
"}\n" +
"interface Bar {\n" +
" void bar();\n" +
"}\n" +
"abstract class C extends Foo implements Bar {/**/}\n" +
"\n", // =================
},
// javac options
JavacTestOptions.JavacHasABug.JavacBugFixed_6_10 /* javac test options */);
}
public void test1177() {
runConformTest(
// test directory preparation
new String[] { /* test files */
"X.java",
"public class X<T extends Foo & Bar> {\n" +
" T get() { return null; }\n" +
" void method(X<? extends Runnable> x1, X<? extends java.io.Serializable> x2, boolean b) {\n" +
" (b ? x1 : x2).get().foo();\n" +
" (b ? x1 : x2).get().bar();\n" +
" }\n" +
"}\n" +
"class Foo {\n" +
" void foo() {/**/}\n" +
"}\n" +
"interface Bar {\n" +
" void bar();\n" +
"}\n" +
"\n", // =================
},
// javac options
JavacTestOptions.JavacHasABug.JavacBugFixed_6_10 /* javac test options */);
}
public void test1178() {
runConformTest(
// test directory preparation
new String[] { /* test files */
"X.java",
"public class X<T extends Foo & Bar> {\n" +
" T get() { return null; }\n" +
" void method(X<? extends C> x1, X<? extends D> x2, boolean b) {\n" +
" (b ? x1 : x2).get().baz();\n" +
" }\n" +
"}\n" +
"class Foo {\n" +
" void foo() {/**/}\n" +
"}\n" +
"interface Bar {\n" +
" void bar();\n" +
"}\n" +
"abstract class C extends Foo implements Bar {\n" +
" void baz() {/**/}\n" +
"}\n" +
"abstract class D extends C {/**/}\n" +
"abstract class E extends C {/**/}\n" +
"\n", // =================
},
// javac options
JavacTestOptions.JavacHasABug.JavacBugFixed_6_10 /* javac test options */);
}
public void test1179() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T extends Object&V, V> {}\n" +
"\n", // =================
},
"----------\n" +
"1. ERROR in X.java (at line 1)\n" +
" public class X<T extends Object&V, V> {}\n" +
" ^\n" +
"The type V is not an interface; it cannot be specified as a bounded parameter\n" +
"----------\n");
}
public void test1180() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" public static <S, T extends Comparable<S>, R extends S & T> R max1(T arg1, S arg2) {\n" +
" return (R) ((arg1.compareTo(arg2) > 0) ? arg1 : arg2);\n" +
" }\n" +
"\n" +
" public static <T extends Comparable<S>, S, R extends S & Comparable<S>> R max2(T arg1, S arg2) {\n" +
" return (R) ((arg1.compareTo(arg2) > 0) ? arg1 : arg2);\n" +
" }\n" +
"\n" +
" public static <T extends Comparable<S>, S, R extends Comparable<S>> R max3(T arg1, S arg2) {\n" +
" return (R) ((arg1.compareTo(arg2) > 0) ? arg1 : arg2);\n" +
" }\n" +
"\n" +
" public static void main(String[] args) {\n" +
" }\n" +
"}\n", // =================
},
"----------\n" +
"1. ERROR in X.java (at line 2)\n" +
" public static <S, T extends Comparable<S>, R extends S & T> R max1(T arg1, S arg2) {\n" +
" ^\n" +
"Cannot specify any additional bound T when first bound is a type parameter\n" +
"----------\n" +
"2. WARNING in X.java (at line 3)\n" +
" return (R) ((arg1.compareTo(arg2) > 0) ? arg1 : arg2);\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from Object to R\n" +
"----------\n" +
"3. ERROR in X.java (at line 6)\n" +
" public static <T extends Comparable<S>, S, R extends S & Comparable<S>> R max2(T arg1, S arg2) {\n" +
" ^^^^^^^^^^\n" +
"Cannot specify any additional bound Comparable<S> when first bound is a type parameter\n" +
"----------\n" +
"4. WARNING in X.java (at line 7)\n" +
" return (R) ((arg1.compareTo(arg2) > 0) ? arg1 : arg2);\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from Object to R\n" +
"----------\n" +
"5. WARNING in X.java (at line 11)\n" +
" return (R) ((arg1.compareTo(arg2) > 0) ? arg1 : arg2);\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from Object to R\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=204534
public void test1181() {
// http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6182950
String expectedCompilerLog = (this.complianceLevel == ClassFileConstants.JDK1_6)?
"----------\n" +
"1. ERROR in X.java (at line 2)\n" +
" public static <S, T extends Comparable<S>, R extends S & T> R max(T arg1, S arg2) {\n" +
" ^\n" +
"Cannot specify any additional bound T when first bound is a type parameter\n" +
"----------\n" +
"2. ERROR in X.java (at line 2)\n" +
" public static <S, T extends Comparable<S>, R extends S & T> R max(T arg1, S arg2) {\n" +
" ^^^^^^^^^^^^^^^^^^^\n" +
"Erasure of method max(T, S) is the same as another method in type X\n" +
"----------\n" +
"3. WARNING in X.java (at line 3)\n" +
" return (R) ((arg1.compareTo(arg2) > 0) ? arg1 : arg2);\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from Object to R\n" +
"----------\n" +
"4. ERROR in X.java (at line 5)\n" +
" public static <T extends Comparable<S>, S, R extends S & Comparable<S>> R max(T arg1, S arg2) {\n" +
" ^^^^^^^^^^\n" +
"Cannot specify any additional bound Comparable<S> when first bound is a type parameter\n" +
"----------\n" +
"5. ERROR in X.java (at line 5)\n" +
" public static <T extends Comparable<S>, S, R extends S & Comparable<S>> R max(T arg1, S arg2) {\n" +
" ^^^^^^^^^^^^^^^^^^^\n" +
"Erasure of method max(T, S) is the same as another method in type X\n" +
"----------\n" +
"6. WARNING in X.java (at line 6)\n" +
" return (R) ((arg1.compareTo(arg2) > 0) ? arg1 : arg2);\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from Object to R\n" +
"----------\n" +
"7. WARNING in X.java (at line 8)\n" +
" public static <T extends Comparable<S>, S, R extends Comparable<S>> R max(T arg1, S arg2) {\n" +
" ^^^^^^^^^^^^^^^^^^^\n" +
"Erasure of method max(T, S) is the same as another method in type X\n" +
"----------\n" +
"8. WARNING in X.java (at line 9)\n" +
" return (R) ((arg1.compareTo(arg2) > 0) ? arg1 : arg2);\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from Object to R\n" +
"----------\n":
"----------\n" +
"1. ERROR in X.java (at line 2)\n" +
" public static <S, T extends Comparable<S>, R extends S & T> R max(T arg1, S arg2) {\n" +
" ^\n" +
"Cannot specify any additional bound T when first bound is a type parameter\n" +
"----------\n" +
"2. ERROR in X.java (at line 2)\n" +
" public static <S, T extends Comparable<S>, R extends S & T> R max(T arg1, S arg2) {\n" +
" ^^^^^^^^^^^^^^^^^^^\n" +
"Erasure of method max(T, S) is the same as another method in type X\n" +
"----------\n" +
"3. WARNING in X.java (at line 3)\n" +
" return (R) ((arg1.compareTo(arg2) > 0) ? arg1 : arg2);\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from Object to R\n" +
"----------\n" +
"4. ERROR in X.java (at line 5)\n" +
" public static <T extends Comparable<S>, S, R extends S & Comparable<S>> R max(T arg1, S arg2) {\n" +
" ^^^^^^^^^^\n" +
"Cannot specify any additional bound Comparable<S> when first bound is a type parameter\n" +
"----------\n" +
"5. ERROR in X.java (at line 5)\n" +
" public static <T extends Comparable<S>, S, R extends S & Comparable<S>> R max(T arg1, S arg2) {\n" +
" ^^^^^^^^^^^^^^^^^^^\n" +
"Erasure of method max(T, S) is the same as another method in type X\n" +
"----------\n" +
"6. WARNING in X.java (at line 6)\n" +
" return (R) ((arg1.compareTo(arg2) > 0) ? arg1 : arg2);\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from Object to R\n" +
"----------\n" +
"7. ERROR in X.java (at line 8)\n" +
" public static <T extends Comparable<S>, S, R extends Comparable<S>> R max(T arg1, S arg2) {\n" +
" ^^^^^^^^^^^^^^^^^^^\n" +
"Erasure of method max(T, S) is the same as another method in type X\n" +
"----------\n" +
"8. WARNING in X.java (at line 9)\n" +
" return (R) ((arg1.compareTo(arg2) > 0) ? arg1 : arg2);\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from Object to R\n" +
"----------\n";
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" public static <S, T extends Comparable<S>, R extends S & T> R max(T arg1, S arg2) {\n" +
" return (R) ((arg1.compareTo(arg2) > 0) ? arg1 : arg2);\n" +
" }\n" +
" public static <T extends Comparable<S>, S, R extends S & Comparable<S>> R max(T arg1, S arg2) {\n" +
" return (R) ((arg1.compareTo(arg2) > 0) ? arg1 : arg2);\n" +
" }\n" +
" public static <T extends Comparable<S>, S, R extends Comparable<S>> R max(T arg1, S arg2) {\n" +
" return (R) ((arg1.compareTo(arg2) > 0) ? arg1 : arg2);\n" +
" }\n" +
" public static void main(String[] args) {}\n" +
"}\n", // =================
},
expectedCompilerLog
);
/*
X.java:2: a type variable may not be followed by other bounds
public static <S, T extends Comparable<S>, R extends S & T> R max(T arg1, S arg2) {
^
X.java:5: a type variable may not be followed by other bounds
public static <T extends Comparable<S>, S, R extends S & Comparable<S>>
R max(T arg1, S arg2) {
^
X.java:5: name clash: <T#1,S#2,R#3>max(T#1,S#2) and <S#4,T#5,R#6>max(T#5,S#4) have the same erasure
public static <T extends Comparable<S>, S, R extends S & Comparable<S>>
R max(T arg1, S arg2) {
^
where T#1,S#2,R#3,S#4,T#5,R#6 are type-variables:
T#1 extends Comparable<S#2> declared in method <T#1,S#2,R#3>max(T#1,S#2)
S#2 extends Object declared in method <T#1,S#2,R#3>max(T#1,S#2)
R#3 extends S#2 declared in method <T#1,S#2,R#3>max(T#1,S#2)
S#4 extends Object declared in method <S#4,T#5,R#6>max(T#5,S#4)
T#5 extends Comparable<S#4> declared in method <S#4,T#5,R#6>max(T#5,S#4)
R#6 extends S#4 declared in method <S#4,T#5,R#6>max(T#5,S#4)
X.java:8: name clash: <T#1,S#2,R#3>max(T#1,S#2) and <S#4,T#5,R#6>max(T#5,S#4) have the same erasure
public static <T extends Comparable<S>, S, R extends Comparable<S>> R max(T arg1, S arg2) {
^
where T#1,S#2,R#3,S#4,T#5,R#6 are type-variables:
T#1 extends Comparable<S#2> declared in method <T#1,S#2,R#3>max(T#1,S#2)
S#2 extends Object declared in method <T#1,S#2,R#3>max(T#1,S#2)
R#3 extends Comparable<S#2> declared in method <T#1,S#2,R#3>max(T#1,S#2)
S#4 extends Object declared in method <S#4,T#5,R#6>max(T#5,S#4)
T#5 extends Comparable<S#4> declared in method <S#4,T#5,R#6>max(T#5,S#4)
R#6 extends S#4 declared in method <S#4,T#5,R#6>max(T#5,S#4)
X.java:3: warning: [unchecked] unchecked cast
return (R) ((arg1.compareTo(arg2) > 0) ? arg1 : arg2);
^
required: R
found: Object
where R,S,T are type-variables:
R extends S declared in method <S,T,R>max(T,S)
S extends Object declared in method <S,T,R>max(T,S)
T extends Comparable<S> declared in method <S,T,R>max(T,S)
X.java:6: warning: [unchecked] unchecked cast
return (R) ((arg1.compareTo(arg2) > 0) ? arg1 : arg2);
^
required: R
found: Object
where R,T,S are type-variables:
R extends S declared in method <T,S,R>max(T,S)
T extends Comparable<S> declared in method <T,S,R>max(T,S)
S extends Object declared in method <T,S,R>max(T,S)
X.java:9: warning: [unchecked] unchecked cast
return (R) ((arg1.compareTo(arg2) > 0) ? arg1 : arg2);
^
required: R
found: Object
where R,T,S are type-variables:
R extends Comparable<S> declared in method <T,S,R>max(T,S)
T extends Comparable<S> declared in method <T,S,R>max(T,S)
S extends Object declared in method <T,S,R>max(T,S)
4 errors
3 warnings
*/
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=204536
public void test1182() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T extends Zork & Zork & Object> {\n" +
"}\n", // =================
},
"----------\n" +
"1. ERROR in X.java (at line 1)\n" +
" public class X<T extends Zork & Zork & Object> {\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n" +
"2. ERROR in X.java (at line 1)\n" +
" public class X<T extends Zork & Zork & Object> {\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n" +
"3. ERROR in X.java (at line 1)\n" +
" public class X<T extends Zork & Zork & Object> {\n" +
" ^^^^^^\n" +
"The type Object is not an interface; it cannot be specified as a bounded parameter\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=204536 - variation
public void test1183() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T extends Zork & Runnable> {\n" +
" void foo(T t) {\n" +
" t.run();\n" +
" }\n" +
" \n" +
"}\n", // =================
},
"----------\n" +
"1. ERROR in X.java (at line 1)\n" +
" public class X<T extends Zork & Runnable> {\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=204536 - variation
public void test1184() {
// check that unresolved first bound got erased into Object (and not Runnable)
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T extends Zork & Runnable> {\n" +
" T get() { return null; }\n" +
" void foo(X x) {\n" +
" Runnable r = x.get();\n" +
" }\n" +
" \n" +
"}\n", // =================
},
"----------\n" +
"1. ERROR in X.java (at line 1)\n" +
" public class X<T extends Zork & Runnable> {\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n" +
"2. WARNING in X.java (at line 3)\n" +
" void foo(X x) {\n" +
" ^\n" +
"X is a raw type. References to generic type X<T> should be parameterized\n" +
"----------\n" +
"3. ERROR in X.java (at line 4)\n" +
" Runnable r = x.get();\n" +
" ^^^\n" +
"The method get() from the type X refers to the missing type Zork\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=203587
public void test1185() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<U, V> {\n" +
" <T> void foo(Class<X> c) {};\n" +
" <A, B> void foo(Class<X<A, B>> c) {}\n" +
" void foo2(Class<X<U, V>> c) {};\n" +
" <A, B> void foo2(Class<X<U, V>> c) {}\n" +
"}"
},
"----------\n" +
"1. ERROR in X.java (at line 2)\n" +
" <T> void foo(Class<X> c) {};\n" +
" ^^^^^^^^^^^^^^^\n" +
"Erasure of method foo(Class<X>) is the same as another method in type X<U,V>\n" +
"----------\n" +
"2. WARNING in X.java (at line 2)\n" +
" <T> void foo(Class<X> c) {};\n" +
" ^\n" +
"X is a raw type. References to generic type X<U,V> should be parameterized\n" +
"----------\n" +
"3. ERROR in X.java (at line 3)\n" +
" <A, B> void foo(Class<X<A, B>> c) {}\n" +
" ^^^^^^^^^^^^^^^^^^^^^\n" +
"Erasure of method foo(Class<X<A,B>>) is the same as another method in type X<U,V>\n" +
"----------\n" +
"4. ERROR in X.java (at line 4)\n" +
" void foo2(Class<X<U, V>> c) {};\n" +
" ^^^^^^^^^^^^^^^^^^^^^^\n" +
"Duplicate method foo2(Class<X<U,V>>) in type X<U,V>\n" +
"----------\n" +
"5. ERROR in X.java (at line 5)\n" +
" <A, B> void foo2(Class<X<U, V>> c) {}\n" +
" ^^^^^^^^^^^^^^^^^^^^^^\n" +
"Duplicate method foo2(Class<X<U,V>>) in type X<U,V>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=158870 - variation
public void test1186() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.io.Serializable;\n" +
"\n" +
"public class X<T> {\n" +
" void foo1(X<? extends String> x1, X<? extends Number> x2) {\n" +
" x1 = (X<? extends String>) x2;\n" +
" }\n" +
" void foo2(X<? extends String> x1, X<? extends Runnable> x2) {\n" +
" x1 = (X<? extends String>) x2;\n" +
" } \n" +
"}\n", // =================
},
"----------\n" +
"1. ERROR in X.java (at line 5)\n" +
" x1 = (X<? extends String>) x2;\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Cannot cast from X<capture#2-of ? extends Number> to X<? extends String>\n" +
"----------\n" +
"2. ERROR in X.java (at line 8)\n" +
" x1 = (X<? extends String>) x2;\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Cannot cast from X<capture#5-of ? extends Runnable> to X<? extends String>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=158870 - variation
public void test1187() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.io.Serializable;\n" +
"public class X<T> {\n" +
" void foo3(X<? extends Serializable> x1, X<? extends Runnable> x2) {\n" +
" x1 = (X<? extends Serializable>) x2;\n" +
" } \n" +
" void foo4(X<? extends Runnable> x1, X<? extends String> x2) {\n" +
" x1 = (X<? extends Runnable>) x2;\n" +
" } \n" +
"}\n", // =================
},
"----------\n" +
"1. WARNING in X.java (at line 4)\n" +
" x1 = (X<? extends Serializable>) x2;\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from X<capture#2-of ? extends Runnable> to X<? extends Serializable>\n" +
"----------\n" +
"2. ERROR in X.java (at line 7)\n" +
" x1 = (X<? extends Runnable>) x2;\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Cannot cast from X<capture#5-of ? extends String> to X<? extends Runnable>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=158870 - variation
public void test1188() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" <T extends String, S extends Comparable<T>> void foo(Integer i) {\n" +
" S a = (S) i; // error?\n" +
" }\n" +
" <U extends Comparable<U>> void bar(Integer i) {\n" +
" U a = (U) i; // unchecked?\n" +
" }\n" +
"}\n", // =================
},
"----------\n" +
"1. WARNING in X.java (at line 2)\n" +
" <T extends String, S extends Comparable<T>> void foo(Integer i) {\n" +
" ^^^^^^\n" +
"The type parameter T should not be bounded by the final type String. Final types cannot be further extended\n" +
"----------\n" +
"2. ERROR in X.java (at line 3)\n" +
" S a = (S) i; // error?\n" +
" ^^^^^\n" +
"Cannot cast from Integer to S\n" +
"----------\n" +
"3. WARNING in X.java (at line 6)\n" +
" U a = (U) i; // unchecked?\n" +
" ^^^^^\n" +
"Type safety: Unchecked cast from Integer to U\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=158870 - variation
public void test1189() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" <T extends String, S extends Comparable<T>> void foo(Number n) {\n" +
" S a = (S) n; // unchecked?\n" +
" }\n" +
" <U extends Comparable<U>> void bar(Number n) {\n" +
" U a = (U) n; // unchecked?\n" +
" }\n" +
"}\n", // =================
},
"----------\n" +
"1. WARNING in X.java (at line 2)\n" +
" <T extends String, S extends Comparable<T>> void foo(Number n) {\n" +
" ^^^^^^\n" +
"The type parameter T should not be bounded by the final type String. Final types cannot be further extended\n" +
"----------\n" +
"2. WARNING in X.java (at line 3)\n" +
" S a = (S) n; // unchecked?\n" +
" ^^^^^\n" +
"Type safety: Unchecked cast from Number to S\n" +
"----------\n" +
"3. WARNING in X.java (at line 6)\n" +
" U a = (U) n; // unchecked?\n" +
" ^^^^^\n" +
"Type safety: Unchecked cast from Number to U\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=158870 - variation
public void test1190() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" <U extends Integer, T extends U, S extends Comparable<T>> void foo2(Integer i) {\n" +
" S a = (S) i; // unchecked1?\n" +
" Comparable<T> b = (Comparable<T>) i; // unchecked2?\n" +
" } \n" +
" <U extends String, T extends U, S extends Comparable<T>> void foo3(Integer i) {\n" +
" S a = (S) i; // error?\n" +
" Comparable<T> b = (Comparable<T>) i; // error3?\n" +
" } \n" +
"}\n", // =================
},
"----------\n" +
"1. WARNING in X.java (at line 2)\n" +
" <U extends Integer, T extends U, S extends Comparable<T>> void foo2(Integer i) {\n" +
" ^^^^^^^\n" +
"The type parameter U should not be bounded by the final type Integer. Final types cannot be further extended\n" +
"----------\n" +
"2. WARNING in X.java (at line 3)\n" +
" S a = (S) i; // unchecked1?\n" +
" ^^^^^\n" +
"Type safety: Unchecked cast from Integer to S\n" +
"----------\n" +
"3. WARNING in X.java (at line 4)\n" +
" Comparable<T> b = (Comparable<T>) i; // unchecked2?\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from Integer to Comparable<T>\n" +
"----------\n" +
"4. WARNING in X.java (at line 6)\n" +
" <U extends String, T extends U, S extends Comparable<T>> void foo3(Integer i) {\n" +
" ^^^^^^\n" +
"The type parameter U should not be bounded by the final type String. Final types cannot be further extended\n" +
"----------\n" +
"5. ERROR in X.java (at line 7)\n" +
" S a = (S) i; // error?\n" +
" ^^^^^\n" +
"Cannot cast from Integer to S\n" +
"----------\n" +
"6. ERROR in X.java (at line 8)\n" +
" Comparable<T> b = (Comparable<T>) i; // error3?\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"Cannot cast from Integer to Comparable<T>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=158870 - variation
public void test1191() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" void foo(SomeEnum en) {\n" +
" Enum<?> myvar = en;\n" +
" SomeEnum en2 = (SomeEnum) myvar;\n" +
" if (myvar instanceof SomeEnum) {\n" +
" return;\n" +
" }\n" +
" }\n" +
" Zork z;\n" +
"}\n" +
"enum SomeEnum {\n" +
"}\n", // =================
},
"----------\n" +
"1. ERROR in X.java (at line 9)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=165352
public void test1192() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"public class X {\n" +
" void foo(ArrayList<Object> a) {\n" +
" Object o = (List<? extends String>) a; // ko\n" +
" }\n" +
" void bar(List<Object> a) {\n" +
" Object o = (ArrayList<? extends String>) a; // ko\n" +
" }\n" +
"}\n", // =================
},
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" Object o = (List<? extends String>) a; // ko\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Cannot cast from ArrayList<Object> to List<? extends String>\n" +
"----------\n" +
"2. WARNING in X.java (at line 4)\n" +
" Object o = (List<? extends String>) a; // ko\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Unnecessary cast from ArrayList<Object> to List<? extends String>\n" +
"----------\n" +
"3. ERROR in X.java (at line 7)\n" +
" Object o = (ArrayList<? extends String>) a; // ko\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Cannot cast from List<Object> to ArrayList<? extends String>\n" +
"----------\n" +
"4. WARNING in X.java (at line 7)\n" +
" Object o = (ArrayList<? extends String>) a; // ko\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Unnecessary cast from List<Object> to ArrayList<? extends String>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=148046 - variation
public void test1193() {
this.runNegativeTest(
new String[] {
"X.java",
"class A {}\n" +
"class B extends A {}\n" +
"public class X<T> {\n" +
" public void foo(X<? super A> param) {\n" +
" X<B> bar = (X<B>) param; // unchecked warning vs error\n" +
" }\n" +
"}\n", // =================
},
"----------\n" +
"1. ERROR in X.java (at line 5)\n" +
" X<B> bar = (X<B>) param; // unchecked warning vs error\n" +
" ^^^^^^^^^^^^\n" +
"Cannot cast from X<capture#1-of ? super A> to X<B>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=120088
public void test1194() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" public static void main(String[] args) {\n" +
" X t = new X();\n" +
" if (t.getClass() == Object.class)\n" +
" System.out.println(\"OK\");\n" +
" }\n" +
"}\n", // =================
},
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" if (t.getClass() == Object.class)\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Incompatible operand types Class<capture#1-of ? extends X> and Class<Object>\n" +
"----------\n");
}
public void test1195() {
this.runConformTest(
new String[] {
"java/lang/Class.java",
"package java.lang;\n" +
"public class Class<T> {\n" +
" Class<? super T> getSuperclass() { return null; }\n" +
" void foo() {\n" +
" boolean foo = getSuperclass() == Enum.class;\n" +
" }\n" +
"}\n", // =================
},
"");
}
public void test1196() {
runConformTest(
// test directory preparation
new String[] { /* test files */
"X.java",
"public class X<T> {\n" +
" Class<? super T> getSuperclass() { return null; }\n" +
" void foo() {\n" +
" boolean foo = getSuperclass() == Enum.class;\n" +
" }\n" +
"}\n" +
"class Y {\n" +
" void bar() {\n" +
" boolean bar = this.getClass().getSuperclass() == Enum.class;\n" +
" } \n" +
"}\n", // =================
},
// javac options
JavacTestOptions.JavacHasABug.JavacBugFixed_6_10 /* javac test options */);
}
public void test1197() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" void test() {\n" +
" B b = new C();\n" +
" Class<? extends B> cb = C.class;\n" +
" YYY<C> y = new XXX();\n" +
" Class<? extends YYY<C>> cy = XXX.class;\n" +
" YYY<? extends B> yb = new XXX();\n" +
" Class<? extends YYY<? extends B>> ybc = XXX.class;\n" +
" Class<? extends YYY> ybb = yb.getClass();\n" +
" Class<? extends YYY<?>> ybb2 = yb.getClass();\n" +
" Class<? extends YYY<? extends B>> ybb3 = yb.getClass();\n" +
" }\n" +
"}\n" +
"\n" +
"class Obj {}\n" +
"class B extends Obj {}\n" +
"class C extends B {}\n" +
"class ZZZ<T extends Obj> {}\n" +
"class YYY<T extends B> extends ZZZ<T> {}\n" +
"class XXX extends YYY<C> {} \n", // =================
},
"----------\n" +
"1. WARNING in X.java (at line 9)\n" +
" Class<? extends YYY> ybb = yb.getClass();\n" +
" ^^^\n" +
"YYY is a raw type. References to generic type YYY<T> should be parameterized\n" +
"----------\n" +
"2. ERROR in X.java (at line 10)\n" +
" Class<? extends YYY<?>> ybb2 = yb.getClass();\n" +
" ^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Class<capture#4-of ? extends YYY> to Class<? extends YYY<?>>\n" +
"----------\n" +
"3. ERROR in X.java (at line 11)\n" +
" Class<? extends YYY<? extends B>> ybb3 = yb.getClass();\n" +
" ^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Class<capture#6-of ? extends YYY> to Class<? extends YYY<? extends B>>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=121024 - variation
public void test1198() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" interface Listener {}\n" +
" interface ErrorListener {} \n" +
" static Object createParser(Listener l) {\n" +
" System.out.println(\"FAILED\");\n" +
" return null;\n" +
" }\n" +
" static <L extends Object & Listener & ErrorListener> Object createParser(L l) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" return null;\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" class A implements Listener, ErrorListener {\n" +
" }\n" +
" createParser(new A()); // error here\n" +
" }\n" +
"}\n", // =================
},
"SUCCESS");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=121024 - variation
public void test1198a() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" interface Listener {}\n" +
" interface ErrorListener {} \n" +
" static Object createParser(Listener l) {\n" +
" System.out.println(\"FAILED\");\n" +
" return null;\n" +
" }\n" +
" static <L extends Object & ErrorListener & Listener> Object createParser(L l) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" return null;\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" class A implements Listener, ErrorListener {\n" +
" }\n" +
" createParser(new A()); // error here\n" +
" }\n" +
"}\n", // =================
},
"SUCCESS");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=121024 - variation
public void test1199() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" interface Listener {}\n" +
" interface ErrorListener {} \n" +
" static Object createParser(Listener l) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" return null;\n" +
" }\n" +
" static <L extends ErrorListener & Listener> Object createParser(L l) {\n" +
" System.out.println(\"FAILED\");\n" +
" return null;\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" class A implements Listener {\n" +
" }\n" +
" createParser(new A()); // error here\n" +
" }\n" +
"}\n", // =================
},
"SUCCESS");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=205594
public void test1200() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" public class Map<T1, T2> {\n" +
" }\n" +
"\n" +
" public <K, V> Map<K, V> make(K key, V value) {\n" +
" return null;\n" +
" }\n" +
"\n" +
" public Map<Class<?>, X> method1() {\n" +
" X value = new X();\n" +
" Class<?> type = X.class;\n" +
" return make(type, value);//1\n" +
" }\n" +
" public Map<Class<?>, X> method2() {\n" +
" X value = new X();\n" +
" Class<?> type = X.class;\n" +
" return (Map<Class<?>, X>) make(type, value);//2\n" +
" }\n" +
" public Map<Class<?>, X> method3() {\n" +
" X value = new X();\n" +
" return make(X.class, value);//3\n" +
" }\n" +
" public Map<Class<?>, X> method4() {\n" +
" X value = new X();\n" +
" return (Map<Class<?>, X>) make(X.class, value);//4\n" +
" } \n" +
"}\n", // =================
},
(this.complianceLevel < ClassFileConstants.JDK1_8 ?
"----------\n" +
"1. ERROR in X.java (at line 12)\n" +
" return make(type, value);//1\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from X.Map<Class<capture#1-of ?>,X> to X.Map<Class<?>,X>\n" +
"----------\n" +
"2. ERROR in X.java (at line 17)\n" +
" return (Map<Class<?>, X>) make(type, value);//2\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Cannot cast from X.Map<Class<capture#2-of ?>,X> to X.Map<Class<?>,X>\n" +
"----------\n" +
"3. ERROR in X.java (at line 21)\n" +
" return make(X.class, value);//3\n" +
" ^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from X.Map<Class<X>,X> to X.Map<Class<?>,X>\n" +
"----------\n" +
"4. ERROR in X.java (at line 25)\n" +
" return (Map<Class<?>, X>) make(X.class, value);//4\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Cannot cast from X.Map<Class<X>,X> to X.Map<Class<?>,X>\n" +
"----------\n"
: // fewer errors in 1.8+:
"----------\n" +
"1. ERROR in X.java (at line 17)\n" +
" return (Map<Class<?>, X>) make(type, value);//2\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Cannot cast from X.Map<Class<capture#2-of ?>,X> to X.Map<Class<?>,X>\n" + // FIXME: javac8 only reports a warning here
"----------\n" +
"2. ERROR in X.java (at line 25)\n" +
" return (Map<Class<?>, X>) make(X.class, value);//4\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Cannot cast from X.Map<Class<X>,X> to X.Map<Class<?>,X>\n" +
"----------\n"));
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=174282
public void test1201() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" public MyClass f() {\n" +
" SuperClass<? extends SuperDataModel> val = null;\n" +
" return (MyClass) val;\n" +
" }\n" +
"}\n" +
"class MyClass extends SuperClass<MyDataModel> {\n" +
"}\n" +
"class MyDataModel extends SuperDataModel {\n" +
"}\n" +
"class SuperClass<A extends SuperDataModel> {\n" +
"}\n" +
"class SuperDataModel {\n" +
"}\n", // =================
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=168230
public void test1202() {
String expectedOutput = this.complianceLevel < ClassFileConstants.JDK1_7
? "----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" X.<String>foo();\n" +
" ^^^\n" +
"The method foo() of type X is not generic; it cannot be parameterized with arguments <String>\n" +
"----------\n" +
"2. ERROR in X.java (at line 5)\n" +
" X.<Zork>foo();\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n" +
"3. ERROR in X.java (at line 5)\n" +
" X.<Zork>foo();\n" +
" ^^^\n" +
"The method foo() of type X is not generic; it cannot be parameterized with arguments <Zork>\n" +
"----------\n"
: "----------\n" +
"1. WARNING in X.java (at line 4)\n" +
" X.<String>foo();\n" +
" ^^^^^^\n" +
"Unused type arguments for the non generic method foo() of type X; it should not be parameterized with arguments <String>\n" +
"----------\n" +
"2. ERROR in X.java (at line 5)\n" +
" X.<Zork>foo();\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n" +
"3. WARNING in X.java (at line 5)\n" +
" X.<Zork>foo();\n" +
" ^^^^\n" +
"Unused type arguments for the non generic method foo() of type X; it should not be parameterized with arguments <Zork>\n" +
"----------\n";
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" public static void foo() {}\n" +
" public static void bar() {\n" +
" X.<String>foo();\n" +
" X.<Zork>foo();\n" +
" }\n" +
"}\n", // =================
},
expectedOutput);
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=168230 - variation
// split because of https://bugs.eclipse.org/bugs/show_bug.cgi?id=207935
public void test1203a() {
String[] sources =
new String[] {
"X.java",
"public class X {\n" +
" public static String foo(String one, String two) {\n" +
" return X.<String>foo(one, two);\n" +
" }\n" +
" public String bar(String one, String two) {\n" +
" return this.<String>bar(one, two);\n" +
" }\n" +
"}\n", // =================
};
if (this.complianceLevel < ClassFileConstants.JDK1_7) {
runNegativeTest(
sources,
"----------\n" +
"1. ERROR in X.java (at line 3)\n" +
" return X.<String>foo(one, two);\n" +
" ^^^\n" +
"The method foo(String, String) of type X is not generic; it cannot be parameterized with arguments <String>\n" +
"----------\n" +
"2. ERROR in X.java (at line 6)\n" +
" return this.<String>bar(one, two);\n" +
" ^^^\n" +
"The method bar(String, String) of type X is not generic; it cannot be parameterized with arguments <String>\n" +
"----------\n");
} else {
runConformTest(
true,
sources,
"----------\n" +
"1. WARNING in X.java (at line 3)\n" +
" return X.<String>foo(one, two);\n" +
" ^^^^^^\n" +
"Unused type arguments for the non generic method foo(String, String) of type X; it should not be parameterized with arguments <String>\n" +
"----------\n" +
"2. WARNING in X.java (at line 6)\n" +
" return this.<String>bar(one, two);\n" +
" ^^^^^^\n" +
"Unused type arguments for the non generic method bar(String, String) of type X; it should not be parameterized with arguments <String>\n" +
"----------\n",
null, null,
JavacTestOptions.Excuse.EclipseHasSomeMoreWarnings);
}
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=207935
// this case is not solved as expected in 1.5 and 1.6 mode; keeping the 1.7 mode
// activated test in all modes so we can track any changes
public void test1203b() {
String expectedOutput = this.complianceLevel < ClassFileConstants.JDK1_7
? "----------\n" +
"1. WARNING in X.java (at line 4)\n" +
" return this.<String>foobar(one, two);\n" +
" ^^^^^^\n" +
"Unused type arguments for the non generic method foobar(String, String) of type X; it should not be parameterized with arguments <String>\n" +
"----------\n" +
"2. ERROR in X.java (at line 8)\n" +
" return this.<String>foobar2(one, two);// silenced\n" +
" ^^^^^^^\n" +
"The method foobar2(String, String) of type X is not generic; it cannot be parameterized with arguments <String>\n" +
"----------\n" +
"3. ERROR in X.java (at line 16)\n" +
" this.<String,String>foobar(one, two);\n" +
" ^^^^^^\n" +
"Incorrect number of type arguments for generic method <T>foobar(String, String) of type Y; it cannot be parameterized with arguments <String, String>\n" +
"----------\n"
: "----------\n" +
"1. WARNING in X.java (at line 4)\n" +
" return this.<String>foobar(one, two);\n" +
" ^^^^^^\n" +
"Unused type arguments for the non generic method foobar(String, String) of type X; it should not be parameterized with arguments <String>\n" +
"----------\n" +
"2. ERROR in X.java (at line 16)\n" +
" this.<String,String>foobar(one, two);\n" +
" ^^^^^^\n" +
"Incorrect number of type arguments for generic method <T>foobar(String, String) of type Y; it cannot be parameterized with arguments <String, String>\n" +
"----------\n";
this.runNegativeTest(
new String[] {
"X.java",
"public class X extends Y {\n" +
" @Override\n" +
" public String foobar(String one, String two) {\n" +
" return this.<String>foobar(one, two);\n" +
" }\n" +
" @SuppressWarnings(\"unused\")\n" +
" public String foobar2(String one, String two) {\n" +
" return this.<String>foobar2(one, two);// silenced\n" +
" }\n" +
"}\n" +
"class Y {\n" +
" public <T> String foobar(String one, String two) {\n" +
" return null;\n" +
" }\n" +
" void test(String one, String two) {\n" +
" this.<String,String>foobar(one, two);\n" +
" }\n" +
"}\n", // =================
},
expectedOutput);
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=207935
public void test1203c() {
String[] sources =
new String[] {
"X.java",
"public class X extends Y {\n" +
" public static void main(String[] args) {\n" +
" String s = \"\";\n" +
" new X().<String> a(s);\n" + // fails before 7
" new X().<String> b(s, s);\n" + // fails before 7
" new X().<String> c(s, s);\n" + // works in 1.5, 6.0 & 7.0
" new X().<String> d(s, s);\n" + // works in 1.5, 6.0 & 7.0
" }\n" +
" @Override void a(String one) {}\n" +
" void b(String one, Object two) {}\n" +
" @Override void c(String one, String two) {}\n" +
" @Override void d(String one, Object two) {}\n" +
"}\n" +
"class Y extends Z {\n" +
" void a(String one) {}\n" +
" <U> void b(String one) {}\n" +
" @Override void c(String one, String two) {}\n" +
"}\n" +
"class Z {\n" +
" <U> void c(String one, String two) {}\n" +
" <U> void d(String one, U u) {}\n" +
"}"
};
if (this.complianceLevel < ClassFileConstants.JDK1_7) {
runNegativeTest(
sources,
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" new X().<String> a(s);\n" +
" ^\n" +
"The method a(String) of type X is not generic; it cannot be parameterized with arguments <String>\n" +
"----------\n" +
"2. ERROR in X.java (at line 5)\n" +
" new X().<String> b(s, s);\n" +
" ^\n" +
"The method b(String, Object) of type X is not generic; it cannot be parameterized with arguments <String>\n" +
"----------\n" +
"3. WARNING in X.java (at line 6)\n" +
" new X().<String> c(s, s);\n" +
" ^^^^^^\n" +
"Unused type arguments for the non generic method c(String, String) of type X; it should not be parameterized with arguments <String>\n" +
"----------\n" +
"4. WARNING in X.java (at line 7)\n" +
" new X().<String> d(s, s);\n" +
" ^^^^^^\n" +
"Unused type arguments for the non generic method d(String, Object) of type X; it should not be parameterized with arguments <String>\n" +
"----------\n");
} else {
runConformTest(
true,
sources,
"----------\n" +
"1. WARNING in X.java (at line 4)\n" +
" new X().<String> a(s);\n" +
" ^^^^^^\n" +
"Unused type arguments for the non generic method a(String) of type X; it should not be parameterized with arguments <String>\n" +
"----------\n" +
"2. WARNING in X.java (at line 5)\n" +
" new X().<String> b(s, s);\n" +
" ^^^^^^\n" +
"Unused type arguments for the non generic method b(String, Object) of type X; it should not be parameterized with arguments <String>\n" +
"----------\n" +
"3. WARNING in X.java (at line 6)\n" +
" new X().<String> c(s, s);\n" +
" ^^^^^^\n" +
"Unused type arguments for the non generic method c(String, String) of type X; it should not be parameterized with arguments <String>\n" +
"----------\n" +
"4. WARNING in X.java (at line 7)\n" +
" new X().<String> d(s, s);\n" +
" ^^^^^^\n" +
"Unused type arguments for the non generic method d(String, Object) of type X; it should not be parameterized with arguments <String>\n" +
"----------\n",
null, null,
JavacTestOptions.Excuse.EclipseHasSomeMoreWarnings);
}
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=207935
public void test1203d() {
String[] sources =
new String[] {
"X.java",
"public class X implements I {\n" +
" public static void main(String[] args) {\n" +
" String s = \"\";\n" +
" new X().<String> a(s);\n" + // fails before 7
" new X().<String> b(s, s);\n" + // fails before 7
" new X().<String> c(s, s);\n" + // fails before 7
" new X().<String> d(s, s);\n" + // fails before 7
" }\n" +
" public void a(String one) {}\n" +
" public void b(String one, Object two) {}\n" +
" public void c(String one, String two) {}\n" +
" public void d(String one, Object two) {}\n" +
"}\n" +
"interface I extends J {\n" +
" void a(String one);\n" +
" void c(String one, String two);\n" +
"}\n" +
"interface J {\n" +
" <U> void c(String one, String two);\n" +
" <U> void d(String one, U u);\n" +
"}"
};
if (this.complianceLevel < ClassFileConstants.JDK1_7) {
runNegativeTest(
sources,
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" new X().<String> a(s);\n" +
" ^\n" +
"The method a(String) of type X is not generic; it cannot be parameterized with arguments <String>\n" +
"----------\n" +
"2. ERROR in X.java (at line 5)\n" +
" new X().<String> b(s, s);\n" +
" ^\n" +
"The method b(String, Object) of type X is not generic; it cannot be parameterized with arguments <String>\n" +
"----------\n" +
"3. ERROR in X.java (at line 6)\n" +
" new X().<String> c(s, s);\n" +
" ^\n" +
"The method c(String, String) of type X is not generic; it cannot be parameterized with arguments <String>\n" +
"----------\n" +
"4. ERROR in X.java (at line 7)\n" +
" new X().<String> d(s, s);\n" +
" ^\n" +
"The method d(String, Object) of type X is not generic; it cannot be parameterized with arguments <String>\n" +
"----------\n");
} else {
runConformTest(
true,
sources,
"----------\n" +
"1. WARNING in X.java (at line 4)\n" +
" new X().<String> a(s);\n" +
" ^^^^^^\n" +
"Unused type arguments for the non generic method a(String) of type X; it should not be parameterized with arguments <String>\n" +
"----------\n" +
"2. WARNING in X.java (at line 5)\n" +
" new X().<String> b(s, s);\n" +
" ^^^^^^\n" +
"Unused type arguments for the non generic method b(String, Object) of type X; it should not be parameterized with arguments <String>\n" +
"----------\n" +
"3. WARNING in X.java (at line 6)\n" +
" new X().<String> c(s, s);\n" +
" ^^^^^^\n" +
"Unused type arguments for the non generic method c(String, String) of type X; it should not be parameterized with arguments <String>\n" +
"----------\n" +
"4. WARNING in X.java (at line 7)\n" +
" new X().<String> d(s, s);\n" +
" ^^^^^^\n" +
"Unused type arguments for the non generic method d(String, Object) of type X; it should not be parameterized with arguments <String>\n" +
"----------\n",
null, null,
JavacTestOptions.Excuse.EclipseHasSomeMoreWarnings);
}
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=207299
public void test1204() {
this.runConformTest(
new String[] {
"ExpressionGraph.java",
"import java.util.*;\n" +
"public class ExpressionGraph<G extends ExpressionGraph<G, V>, V extends IVertex<G, V>> {\n" +
" void foo(Set<V> set, Collection<? extends V> col) {\n" +
" if (set == col) return;\n" +
" }\n" +
"}\n" +
"interface IVertex<G extends ExpressionGraph<G, V>, V extends IVertex<G, V>> { \n" +
" // empty\n" +
"}\n", // =================
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=207299 - variation
public void test1205() {
this.runConformTest(
new String[] {
"ExpressionGraph.java",
"import java.util.*;\n" +
"\n" +
"public class ExpressionGraph<G extends ExpressionGraph<G, V, L>, V extends ExpressionVertex<G, V, L>, L> extends AbstractGraph<G, V> {\n" +
" void foo(Set<V> set, Collection<? extends V> col) {\n" +
" if (set == col) return;\n" +
" }\n" +
"\n" +
" interface IVertex<G extends ExpressionGraph<G, V, L>, V extends IVertex<G, V, L>, L> extends ExpressionVertex<G, V, L> { \n" +
" // empty\n" +
" }\n" +
" static abstract class Vertex<G extends ExpressionGraph<G, V, L>, V extends IVertex<G, V, L>, L> /*extends TaggableVertex<G, V>*/ implements IVertex<G, V, L> { \n" +
" // empty\n" +
" }\n" +
"}\n" +
"\n" +
"abstract class AbstractGraph<G extends AbstractGraph<G,V>, V extends Vertex<G,V>> implements Graph<G,V> {\n" +
" // empty\n" +
"}\n" +
"interface Graph<G extends Graph<G,V>, V extends Vertex<G,V>> { \n" +
" // empty\n" +
"}\n" +
"interface Vertex<G extends Graph<G,V>, V extends Vertex<G,V>> {\n" +
" // empty\n" +
"}\n" +
"interface ExpressionVertex<G extends Graph<G,V>, V extends ExpressionVertex<G,V,L>, L> extends Vertex<G,V> {\n" +
" // empty\n" +
"}\n", // =================
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=207573
public void test1206() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" public final <E extends Exception> E throwE(E ex, Object... args) throws E {\n" +
" Object[] oar = new Object[0];\n" +
" return throwE(oar, ex, args);\n" +
" }\n" +
"\n" +
" public final <E extends Exception> E throwE(Object[] oar, E ex, Object... args) throws E {\n" +
" throw ex;\n" +
" }\n" +
"}", // =================
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=207573 - variation
public void test1207() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" public final <E extends Exception> E throwE (E ex) throws E {\n" +
" throw ex;\n" +
" }\n" +
" void foo(Object[] objs) {\n" +
" throwE(objs);\n" +
" }\n" +
"}\n", // =================
},
this.complianceLevel < ClassFileConstants.JDK1_8 ?
"----------\n" +
"1. ERROR in X.java (at line 6)\n" +
" throwE(objs);\n" +
" ^^^^^^\n" +
"Bound mismatch: The generic method throwE(E) of type X is not applicable for the arguments (Object[]). The inferred type Object[] is not a valid substitute for the bounded parameter <E extends Exception>\n" +
"----------\n" :
"----------\n" +
"1. ERROR in X.java (at line 6)\n" +
" throwE(objs);\n" +
" ^^^^^^\n" +
"The method throwE(E) in the type X is not applicable for the arguments (Object[])\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=207573 - variation
public void test1208() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" public final <E extends Exception> E throwE2(E ex, Object... args) throws E {\n" +
" Object[] oar = new Object[0];\n" +
" return throwE(oar, ex, args);\n" +
" }\n" +
"\n" +
" public final <E extends Exception> E throwE(Object[] oar, E ex, Object... args) throws E {\n" +
" throw ex;\n" +
" }\n" +
"}", // =================
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=207573 - variation
public void test1209() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" public final <E extends Exception> E throwE (E ex, Object ... args) throws E {\n" +
" throw ex;\n" +
" }\n" +
" void foo(Object[] objs) {\n" +
" throwE(objs);\n" +
" }\n" +
"}", // =================
},
this.complianceLevel < ClassFileConstants.JDK1_8 ?
"----------\n" +
"1. ERROR in X.java (at line 6)\n" +
" throwE(objs);\n" +
" ^^^^^^\n" +
"Bound mismatch: The generic method throwE(E, Object...) of type X is not applicable for the arguments (Object[]). The inferred type Object[] is not a valid substitute for the bounded parameter <E extends Exception>\n" +
"----------\n" :
"----------\n" +
"1. ERROR in X.java (at line 6)\n" +
" throwE(objs);\n" +
" ^^^^^^\n" +
"The method throwE(E, Object...) in the type X is not applicable for the arguments (Object[])\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=207573 - variation
// FAIL ERRMSG
public void test1210() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" public final <E extends Exception> E throwE (Object ... args) throws E {\n" +
" return null;\n" +
" }\n" +
" void foo(Object[] objs) {\n" +
" Object[] o = throwE(objs);\n" +
" }\n" +
"}\n", // =================
},
(this.complianceLevel < ClassFileConstants.JDK1_8 ?
"----------\n" +
"1. ERROR in X.java (at line 6)\n" +
" Object[] o = throwE(objs);\n" +
" ^^^^^^\n" +
"Bound mismatch: The generic method throwE(Object...) of type X is not applicable for the arguments (Object[]). The inferred type Object[]&Exception is not a valid substitute for the bounded parameter <E extends Exception>\n" +
"----------\n" +
"2. ERROR in X.java (at line 6)\n" +
" Object[] o = throwE(objs);\n" +
" ^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Object[]&Exception to Object[]\n" +
"----------\n"
:
"----------\n" +
"1. ERROR in X.java (at line 6)\n" +
" Object[] o = throwE(objs);\n" +
" ^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from RuntimeException to Object[]\n" +
"----------\n"));
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=208030
public void test1211() {
if (this.complianceLevel < ClassFileConstants.JDK1_7) {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" public X(String t){\n" +
" System.out.println(t);\n" +
" Zork z;\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" class Local extends X {\n" +
" Local() {\n" +
" <String>super(\"FAILED\");\n" +
" }\n" +
" };\n" +
" new <String>Local();\n" +
" new <String>Local(){};\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n" +
"2. ERROR in X.java (at line 9)\n" +
" <String>super(\"FAILED\");\n" +
" ^^^^^^^^^^^^^^^^\n" +
"The constructor X(String) of type X is not generic; it cannot be parameterized with arguments <String>\n" +
"----------\n" +
"3. ERROR in X.java (at line 12)\n" +
" new <String>Local();\n" +
" ^^^^^^^^^^^^^^^^^^^\n" +
"The constructor Local() of type Local is not generic; it cannot be parameterized with arguments <String>\n" +
"----------\n" +
"4. ERROR in X.java (at line 13)\n" +
" new <String>Local(){};\n" +
" ^^^^^^^^^^^^^^^^^^^^^\n" +
"The constructor Local() of type Local is not generic; it cannot be parameterized with arguments <String>\n" +
"----------\n");
return;
}
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" public X(String t){\n" +
" System.out.println(t);\n" +
" Zork z;\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" class Local extends X {\n" +
" Local() {\n" +
" <String>super(\"FAILED\");\n" +
" }\n" +
" };\n" +
" new <String>Local();\n" +
" new <String>Local(){};\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n" +
"2. WARNING in X.java (at line 9)\n" +
" <String>super(\"FAILED\");\n" +
" ^^^^^^\n" +
"Unused type arguments for the non generic constructor X(String) of type X; it should not be parameterized with arguments <String>\n" +
"----------\n" +
"3. WARNING in X.java (at line 12)\n" +
" new <String>Local();\n" +
" ^^^^^^\n" +
"Unused type arguments for the non generic constructor Local() of type Local; it should not be parameterized with arguments <String>\n" +
"----------\n" +
"4. WARNING in X.java (at line 13)\n" +
" new <String>Local(){};\n" +
" ^^^^^^\n" +
"Unused type arguments for the non generic constructor Local() of type Local; it should not be parameterized with arguments <String>\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=77918
// generic variants
public void test1212() {
Map customOptions = getCompilerOptions();
customOptions.put(CompilerOptions.OPTION_ReportRedundantSuperinterface, CompilerOptions.ERROR);
runNegativeTest(
// test directory preparation
true /* flush output directory */,
new String[] { /* test files */
"X.java",
"public class X<T> implements I<T> {}\n" +
"class Y<T extends Z> extends X<T> implements I<T>, J {}\n" +
"class Z {}" +
"interface I <T> {}\n" +
"interface J {}\n"
},
// compiler options
null /* no class libraries */,
customOptions /* custom options */,
// compiler results
"----------\n" + /* expected compiler log */
"1. ERROR in X.java (at line 2)\n" +
" class Y<T extends Z> extends X<T> implements I<T>, J {}\n" +
" ^\n" +
"Redundant superinterface I<T> for the type Y<T>, already defined by X<T>\n" +
"----------\n",
// javac options
JavacTestOptions.SKIP /* skip javac tests - configured eclipse specific warning as error */);
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=77918
// generic variants - the 'different arguments' error overrides the
// redundant error
public void test1213() {
Map customOptions = getCompilerOptions();
customOptions.put(CompilerOptions.OPTION_ReportRedundantSuperinterface, CompilerOptions.ERROR);
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T> implements I<T> {}\n" +
"class Y<T extends Z, U extends T> extends X<T> implements I<U>, J {}\n" +
"class Z {}" +
"interface I <T> {}\n" +
"interface J {}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 2)\n" +
" class Y<T extends Z, U extends T> extends X<T> implements I<U>, J {}\n" +
" ^\n" +
"The interface I cannot be implemented more than once with different arguments: I<T> and I<U>\n" +
"----------\n",
null /* no extra class libraries */,
true /* flush output directory */,
customOptions);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=208873
public void test1214() {
runConformTest(
// test directory preparation
true /* flush output directory */,
new String[] { /* test files */
"X.java",
"public class X {\n" +
" public interface Loader {\n" +
" public <T extends Integer, K extends String> T load(final K key);\n" +
" }\n" +
" Loader loader;\n" +
" public <K extends String, T extends Integer> T get(final K key) {\n" +
" T data = this.loader.load(key);\n" +
" return null;\n" +
" }\n" +
"}\n", // =================
},
// compiler results
null /* do not check compiler log */,
// runtime results
"" /* expected output string */,
"" /* expected error string */,
// javac options
JavacTestOptions.JavacHasABug.JavacBug5042462 /* javac test options */);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=208873 - variation
public void test1215() {
runConformTest(
// test directory preparation
new String[] { /* test files */
"X.java",
"public class X {\n" +
" <T, U extends T, V extends T> T cond1(boolean z, U x1, V x2) {\n" +
" return (z? x1: x2);\n" +
" }\n" +
"}\n",
},
// javac options
JavacTestOptions.JavacHasABug.JavacBug5042462 /* javac test options */);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=209153
public void test1216() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" public static void main(String[] args) {\n" +
" p.A myA = new p.A();\n" +
" myA.p = myA.box.get(); // [msgSend] generic cast to P -> error\n" +
" Object o = myA.box.get(); // ok, since no generic cast actually inserted\n" +
" myA.p = myA.getBox().t;// [fieldRef] generic cast to P -> error\n" +
" myA.p = myA.box.t;// [qName] generic cast to P -> error\n" +
" int pval = myA.box.t.pval;// intermediate access through P already flagged as error\n" +
" }\n" +
"}\n",
"p/A.java",
"package p;\n" +
"public class A {\n" +
" public static class Box<T> {\n" +
" public T t;\n" +
" public void set(T t) { this.t = t; }\n" +
" public T get() { return this.t; }\n" +
" }\n" +
" private class P {\n" +
" public int pval;\n" +
" }\n" +
" public P p;\n" +
" public Box<P> box;\n" +
" public Box<P> getBox() { return this.box; }\n" +
" public A next;\n" +
" public A getNext() { return this;} \n" +
" public A() {\n" +
" this.box = new Box<P>();\n" +
" this.box.set(new P());\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" myA.p = myA.box.get(); // [msgSend] generic cast to P -> error\n" +
" ^^^^^^^^^^^^^\n" +
"The type A.P is not visible\n" +
"----------\n" +
"2. ERROR in X.java (at line 6)\n" +
" myA.p = myA.getBox().t;// [fieldRef] generic cast to P -> error\n" +
" ^^^^^^^^^^^^^^\n" +
"The type A.P is not visible\n" +
"----------\n" +
"3. ERROR in X.java (at line 7)\n" +
" myA.p = myA.box.t;// [qName] generic cast to P -> error\n" +
" ^^^\n" +
"The type A.P is not visible\n" +
"----------\n" +
"4. ERROR in X.java (at line 8)\n" +
" int pval = myA.box.t.pval;// intermediate access through P already flagged as error\n" +
" ^^^^^^^^^\n" +
"The type A.P is not visible\n" +
"----------\n" +
"----------\n" +
"1. WARNING in p\\A.java (at line 18)\n" +
" this.box.set(new P());\n" +
" ^^^^^^^\n" +
"Access to enclosing constructor A.P() is emulated by a synthetic accessor method\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=209153 - variation
public void test1217() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" public static void main(String[] args) {\n" +
" p.A myA = new p.A();\n" +
" myA.p = myA.box.get(); // [msgSend] generic cast to P -> error\n" +
" Object o = myA.box.get(); // ok, since no generic cast actually inserted\n" +
" myA.p = myA.getBox().t;// [fieldRef] generic cast to P -> error\n" +
" myA.p = myA.box.t;// [qName] generic cast to P -> error\n" +
" int pval = myA.box.t.pval;// intermediate access through P already flagged as error\n" +
" }\n" +
"}\n",
"p/A.java",
"package p;\n" +
"public class A {\n" +
" public static class Box<T> {\n" +
" public T t;\n" +
" public void set(T t) { this.t = t; }\n" +
" public T get() { return this.t; }\n" +
" }\n" +
" protected class P {\n" +
" public int pval;\n" +
" }\n" +
" public P p;\n" +
" public Box<P> box;\n" +
" public Box<P> getBox() { return this.box; }\n" +
" public A next;\n" +
" public A getNext() { return this;} \n" +
" public A() {\n" +
" this.box = new Box<P>();\n" +
" this.box.set(new P());\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" myA.p = myA.box.get(); // [msgSend] generic cast to P -> error\n" +
" ^^^^^^^^^^^^^\n" +
"The type A.P is not visible\n" +
"----------\n" +
"2. ERROR in X.java (at line 6)\n" +
" myA.p = myA.getBox().t;// [fieldRef] generic cast to P -> error\n" +
" ^^^^^^^^^^^^^^\n" +
"The type A.P is not visible\n" +
"----------\n" +
"3. ERROR in X.java (at line 7)\n" +
" myA.p = myA.box.t;// [qName] generic cast to P -> error\n" +
" ^^^\n" +
"The type A.P is not visible\n" +
"----------\n" +
"4. ERROR in X.java (at line 8)\n" +
" int pval = myA.box.t.pval;// intermediate access through P already flagged as error\n" +
" ^^^^^^^^^\n" +
"The type A.P is not visible\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=209153 - variation
public void test1218() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" public static void main(String[] args) {\n" +
" p.A myA = new p.A();\n" +
" myA.p = myA.box.get(); // [msgSend] generic cast to P -> error\n" +
" Object o = myA.box.get(); // ok, since no generic cast actually inserted\n" +
" myA.p = myA.getBox().t;// [fieldRef] generic cast to P -> error\n" +
" myA.p = myA.box.t;// [qName] generic cast to P -> error\n" +
" int pval = myA.box.t.pval;// intermediate access through P already flagged as error\n" +
" }\n" +
"}\n",
"p/A.java",
"package p;\n" +
"public class A {\n" +
" public static class Box<T> {\n" +
" public T t;\n" +
" public void set(T t) { this.t = t; }\n" +
" public T get() { return this.t; }\n" +
" }\n" +
" class P {\n" +
" public int pval;\n" +
" }\n" +
" public P p;\n" +
" public Box<P> box;\n" +
" public Box<P> getBox() { return this.box; }\n" +
" public A next;\n" +
" public A getNext() { return this;} \n" +
" public A() {\n" +
" this.box = new Box<P>();\n" +
" this.box.set(new P());\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" myA.p = myA.box.get(); // [msgSend] generic cast to P -> error\n" +
" ^^^^^^^^^^^^^\n" +
"The type A.P is not visible\n" +
"----------\n" +
"2. ERROR in X.java (at line 6)\n" +
" myA.p = myA.getBox().t;// [fieldRef] generic cast to P -> error\n" +
" ^^^^^^^^^^^^^^\n" +
"The type A.P is not visible\n" +
"----------\n" +
"3. ERROR in X.java (at line 7)\n" +
" myA.p = myA.box.t;// [qName] generic cast to P -> error\n" +
" ^^^\n" +
"The type A.P is not visible\n" +
"----------\n" +
"4. ERROR in X.java (at line 8)\n" +
" int pval = myA.box.t.pval;// intermediate access through P already flagged as error\n" +
" ^^^^^^^^^\n" +
"The type A.P is not visible\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=209779
public void test1219() {
runConformTest(
// test directory preparation
true /* flush output directory */,
new String[] { /* test files */
"X.java",
"import java.util.ArrayList;\n" +
"import java.util.List;\n" +
"\n" +
"public class X {\n" +
" public static void main(String[] args) {\n" +
" final List<String> stringList = new ArrayList<String>();\n" +
" stringList.add(\"test1\");\n" +
" stringList.add(\"test2\");\n" +
" ((List) stringList).add(new Integer(1000));\n" +
" try {\n" +
" Object o = stringList.get(2);\n" +
" } catch (ClassCastException e) {\n" +
" System.out.print(\"[ClassCastException1]\");\n" +
" }\n" +
" try {\n" +
" String s = stringList.get(2);\n" +
" } catch (ClassCastException e) {\n" +
" System.out.print(\"[ClassCastException2]\");\n" +
" } \n" +
" try {\n" +
" for (Object obj : stringList) {\n" +
" System.out.print(obj);\n" +
" }\n" +
" } catch (ClassCastException e) {\n" +
" System.out.print(\"[ClassCastException3]\");\n" +
" } \n" +
" try {\n" +
" for (String str : stringList) {\n" +
" System.out.print(str);\n" +
" }\n" +
" } catch (ClassCastException e) {\n" +
" System.out.print(\"[ClassCastException4]\");\n" +
" }\n" +
" System.out.println();\n" +
" }\n" +
"}\n"
},
// compiler results
null /* do not check compiler log */,
// runtime results
"[ClassCastException2]test1test21000test1test2[ClassCastException4]" /* expected output string */,
"" /* expected error string */,
// javac options
JavacTestOptions.JavacHasABug.JavacBug6500701 /* javac test options */);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=209152
public void test1220() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.List;\n" +
"\n" +
"public class X {\n" +
" public static void doIt(List<?> list) {\n" +
" list.add(list.remove(0));\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 5)\n" +
" list.add(list.remove(0));\n" +
" ^^^\n" +
"The method add(capture#1-of ?) in the type List<capture#1-of ?> is not applicable for the arguments (capture#2-of ?)\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=209071
public void test1221() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"public class X {\n" +
" void foo() {\n" +
" Set<List> listSet = new HashSet<List>();\n" +
" Set<List> otherListSet = new HashSet<List>();\n" +
" otherListSet.add((List) listSet); \n" +
" }\n" +
" void bar() {\n" +
" Set<String> stringSet = new HashSet<String>();\n" +
" Set<String> otherStringSet = new HashSet<String>();\n" +
" otherStringSet.add((String) stringSet); \n" +
" }\n" +
" public static void main(String[] args) {\n" +
" new X().foo();\n" +
" new X().bar();\n" +
" }\n" +
"} \n"
},
"----------\n" +
"1. WARNING in X.java (at line 4)\n" +
" Set<List> listSet = new HashSet<List>();\n" +
" ^^^^\n" +
"List is a raw type. References to generic type List<E> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 4)\n" +
" Set<List> listSet = new HashSet<List>();\n" +
" ^^^^\n" +
"List is a raw type. References to generic type List<E> should be parameterized\n" +
"----------\n" +
"3. WARNING in X.java (at line 5)\n" +
" Set<List> otherListSet = new HashSet<List>();\n" +
" ^^^^\n" +
"List is a raw type. References to generic type List<E> should be parameterized\n" +
"----------\n" +
"4. WARNING in X.java (at line 5)\n" +
" Set<List> otherListSet = new HashSet<List>();\n" +
" ^^^^\n" +
"List is a raw type. References to generic type List<E> should be parameterized\n" +
"----------\n" +
"5. WARNING in X.java (at line 6)\n" +
" otherListSet.add((List) listSet); \n" +
" ^^^^\n" +
"List is a raw type. References to generic type List<E> should be parameterized\n" +
"----------\n" +
"6. ERROR in X.java (at line 11)\n" +
" otherStringSet.add((String) stringSet); \n" +
" ^^^^^^^^^^^^^^^^^^\n" +
"Cannot cast from Set<String> to String\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=207959
public void test1222() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T extends Zork & Runnable> {\n" +
" T get() { return null; }\n" +
" void foo2(X<T> x2) {\n" +
" Runnable r = x2.get();\n" +
" } \n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 1)\n" +
" public class X<T extends Zork & Runnable> {\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=211718
public void test1223() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.Arrays;\n" +
"import java.util.List;\n" +
"public class X<E> {\n" +
" public static enum IsABug {\n" +
" TRUE,\n" +
" FALSE;\n" +
" } \n" +
" public List<IsABug> getPossibleBugStates() {\n" +
" String s1 = IsABug.values();\n" +
" String s2 = IsABug.valueOf(s1);\n" +
" return Arrays.asList(IsABug.values());\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 9)\n" +
" String s1 = IsABug.values();\n" +
" ^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from X.IsABug[] to String\n" +
"----------\n" +
"2. ERROR in X.java (at line 10)\n" +
" String s2 = IsABug.valueOf(s1);\n" +
" ^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from X.IsABug to String\n" +
"----------\n");
}
public void test1224() {
this.runConformTest(
new String[] {
"X.java",
"import java.util.Collection;\n" +
"import java.util.Collections;\n" +
"public class X {\n" +
" class Request<R extends Request<R, V>,V> {}\n" +
" class RequestMap {\n" +
" public <R extends Request<R, W>,W> R intersection (Collection<R> c) {\n" +
" return null;\n" +
" }\n" +
" }\n" +
" class DeltaRequest extends Request<DeltaRequest,double[]> {}\n" +
" public void test () {\n" +
" RequestMap m = new RequestMap ();\n" +
" Collection<DeltaRequest> c = Collections.singleton (new DeltaRequest ());\n" +
" DeltaRequest o = m.intersection (c);\n" +
" }\n" +
"}\n"
},
"");
}
public void test1225() {
runConformTest(
// test directory preparation
new String[] { /* test files */
"X.java",
"import java.util.Collection;\n" +
"import java.util.List;\n" +
"public class X {\n" +
" static <B> void m(List<? super B> list, Collection<? super B> coll) {\n" +
" m(list, coll);\n" +
" }\n" +
"}\n"
},
// javac options
JavacTestOptions.JavacHasABug.JavacBugFixed_7 /* javac test options */);
}
public void test1226() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T> {\n" +
" class M {\n" +
" X<T> foo() { return null; }\n" +
" }\n" +
" void bar(M m) {\n" +
" X<T> xt = m.foo();\n" + // no unchecked warning
" Zork z;\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 7)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
public void test1227() {
if (this.complianceLevel >= ClassFileConstants.JDK1_7) return;
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.Arrays;\n" +
"public class X {\n" +
" void foo() {\n" +
" Arrays.asList(String.class, Integer.class);\n" +
" }\n" +
" Zork z;\n" +
"}\n"
},
"----------\n" +
"1. WARNING in X.java (at line 4)\n" +
" Arrays.asList(String.class, Integer.class);\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: A generic array of Class<? extends Object&Serializable&Comparable<?>> is created for a varargs parameter\n" +
"----------\n" +
"2. ERROR in X.java (at line 6)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=214972
public void test1228() throws Exception {
this.runConformTest(
new String[] {
"X.java",
"public class X<U extends Class> {\n" +
" public <Y> X(Y b1, U b2) {\n" +
" }\n" +
" public class Binner {\n" +
" public class BinnerInner<I> {\n" +
" public <J> BinnerInner<J> $new$() {\n" +
" return new BinnerInner<J>();\n" +
" }\n" +
" }\n" +
" }\n" +
"}\n"
},
"");
// check $new$ method generic signature
String expectedOutput =
" // Method descriptor #22 ()LX$Binner$BinnerInner;\n" +
" // Signature: <J:Ljava/lang/Object;>()LX<TU;>.Binner.BinnerInner<TJ;>;\n" +
" // Stack: 3, Locals: 1\n" +
" public X.Binner.BinnerInner $new$();\n" +
" 0 new X$Binner$BinnerInner [1]\n" +
" 3 dup\n" +
" 4 aload_0 [this]\n" +
" 5 getfield X$Binner$BinnerInner.this$1 : X.Binner [10]\n" +
" 8 invokespecial X$Binner$BinnerInner(X$Binner) [25]\n" +
" 11 areturn\n" +
" Line numbers:\n" +
" [pc: 0, line: 7]\n" +
" Local variable table:\n" +
" [pc: 0, pc: 12] local: this index: 0 type: X.Binner.BinnerInner\n" +
" Local variable type table:\n" +
" [pc: 0, pc: 12] local: this index: 0 type: X<U>.Binner.BinnerInner<I>\n";
File f = new File(OUTPUT_DIR + File.separator + "X$Binner$BinnerInner.class");
byte[] classFileBytes = org.eclipse.jdt.internal.compiler.util.Util.getFileByteContent(f);
ClassFileBytesDisassembler disassembler = ToolFactory.createDefaultClassFileBytesDisassembler();
String result = disassembler.disassemble(classFileBytes, "\n", ClassFileBytesDisassembler.DETAILED);
int index = result.indexOf(expectedOutput);
if (index == -1 || expectedOutput.length() == 0) {
System.out.println(Util.displayString(result, 3));
}
if (index == -1) {
assertEquals("Wrong contents", expectedOutput, result);
}
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=214972 - variation
public void test1229() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<U extends Class> {\n" +
" public <Y> X(Y b1, U b2) {\n" +
" }\n" +
" public class Binner {\n" +
" public class BinnerInner<I> {\n" +
" public <J> BinnerInner<J> $new$() {\n" +
" return new BinnerInner<J>();\n" +
" }\n" +
" X<U> root() {\n" +
" return X.this;\n" +
" }\n" +
" }\n" +
" }\n" +
"}\n",
"Z.java",
"public class Z {\n" +
" public static void main(String[] args) {\n" +
" X<Class>.Binner.BinnerInner<String> binString = new X<Class>(null, null).new Binner().new BinnerInner<String>();\n" +
" String s = binString.$new$().root();\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. WARNING in X.java (at line 1)\n" +
" public class X<U extends Class> {\n" +
" ^^^^^\n" +
"Class is a raw type. References to generic type Class<T> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 1)\n" +
" public class X<U extends Class> {\n" +
" ^^^^^\n" +
"The type parameter U should not be bounded by the final type Class. Final types cannot be further extended\n" +
"----------\n" +
"----------\n" +
"1. WARNING in Z.java (at line 3)\n" +
" X<Class>.Binner.BinnerInner<String> binString = new X<Class>(null, null).new Binner().new BinnerInner<String>();\n" +
" ^^^^^\n" +
"Class is a raw type. References to generic type Class<T> should be parameterized\n" +
"----------\n" +
"2. WARNING in Z.java (at line 3)\n" +
" X<Class>.Binner.BinnerInner<String> binString = new X<Class>(null, null).new Binner().new BinnerInner<String>();\n" +
" ^^^^^\n" +
"Class is a raw type. References to generic type Class<T> should be parameterized\n" +
"----------\n" +
"3. ERROR in Z.java (at line 4)\n" +
" String s = binString.$new$().root();\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from X<Class> to String\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=214972 - variation
public void test1230() {
this.runConformTest(
new String[] {
"X.java",
"public class X<U extends Class> {\n" +
" public <Y> X(Y b1, U b2) {\n" +
" }\n" +
" public class Binner {\n" +
" public class BinnerInner<I> {\n" +
" public <J> BinnerInner<J> $new$() {\n" +
" return new BinnerInner<J>();\n" +
" }\n" +
" X<U> root() {\n" +
" return X.this;\n" +
" }\n" +
" }\n" +
" }\n" +
"}\n",
},
"");
this.runNegativeTest(
new String[] {
"Z.java",
"public class Z {\n" +
" public static void main(String[] args) {\n" +
" X<Class>.Binner.BinnerInner<String> binString = new X<Class>(null, null).new Binner().new BinnerInner<String>();\n" +
" String s = binString.$new$().root();\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. WARNING in Z.java (at line 3)\n" +
" X<Class>.Binner.BinnerInner<String> binString = new X<Class>(null, null).new Binner().new BinnerInner<String>();\n" +
" ^^^^^\n" +
"Class is a raw type. References to generic type Class<T> should be parameterized\n" +
"----------\n" +
"2. WARNING in Z.java (at line 3)\n" +
" X<Class>.Binner.BinnerInner<String> binString = new X<Class>(null, null).new Binner().new BinnerInner<String>();\n" +
" ^^^^^\n" +
"Class is a raw type. References to generic type Class<T> should be parameterized\n" +
"----------\n" +
"3. ERROR in Z.java (at line 4)\n" +
" String s = binString.$new$().root();\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from X<Class> to String\n" +
"----------\n",
null,
false,
null);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=214972 - variation
public void test1231() {
this.runConformTest(
new String[] {
"X.java",
"public class X<U extends Class> {\n" +
" public <Y> X(Y b1, U b2) {\n" +
" }\n" +
" public class Binner {\n" +
" public class BinnerInner<I> {\n" +
" public <J> BinnerInner<J> $new$() {\n" +
" return new BinnerInner<J>();\n" +
" }\n" +
" X<U> root() {\n" +
" return X.this;\n" +
" }\n" +
" }\n" +
" }\n" +
"}\n",
},
"");
this.runConformTest(
new String[] {
"Z.java",
"public class Z {\n" +
" public static void main(String[] args) {\n" +
" X<Class>.Binner.BinnerInner<String> binString = new X<Class>(null, null).new Binner().new BinnerInner<String>();\n" +
" X<Class>.Binner.BinnerInner<Number> binNumber = binString.$new$();\n" +
" }\n" +
"}\n"
},
"",
null,
false,
null);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=215843
public void test1232() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" public static void testCovariant(SubInterface sub1, SubInterface sub2) {\n" +
" SubInterface sub3 = sub1.and(sub2);\n" +
" }\n" +
" public interface SuperInterface<E> {\n" +
" public Number getNumber();\n" +
" public SuperInterface<E> and(SuperInterface<E> a);\n" +
" }\n" +
" public interface SubInterface extends SuperInterface {\n" +
" public Integer getNumber();\n" +
" public SubInterface and(SuperInterface s);\n" +
" }\n" +
"}\n",
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=215843 - variation
public void test1233() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" public static void testCovariant(SubInterface<String> sub1, SubInterface<String> sub2) {\n" +
" SubInterface<String> sub3 = sub1.and(sub2);\n" +
" }\n" +
" public interface SuperInterface<E> {\n" +
" public Number getNumber();\n" +
" public SuperInterface<E> and(SuperInterface<E> a);\n" +
" }\n" +
" public interface SubInterface<F> extends SuperInterface<F> {\n" +
" public Integer getNumber();\n" +
" public SubInterface<F> and(SuperInterface<F> s);\n" +
" }\n" +
"}\n",
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=215843 - variation
public void test1234() {
this.runNegativeTest(
false /* skipJavac */,
JavacTestOptions.EclipseHasABug.EclipseBug427719,
new String[] {
"X.java",
"public class X { \n" +
" void a3(G x) {} \n" +
" <T extends F<X>> void a3(T x) {}\n" +
"\n" +
" public static void ambiguousCases() { \n" +
" H<X> hx = null;\n" +
" H hraw = null;\n" +
" new X().a3(hx);\n" +
" new X().a3(hraw);\n" +
" } \n" +
"}\n" +
"class F<T1> {} \n" +
"class G<T2> extends F<T2> {}\n" +
"class H<T3> extends G<T3> {}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 2)\n" +
" void a3(G x) {} \n" +
" ^\n" +
"G is a raw type. References to generic type G<T2> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 7)\n" +
" H hraw = null;\n" +
" ^\n" +
"H is a raw type. References to generic type H<T3> should be parameterized\n" +
"----------\n" +
(this.complianceLevel < ClassFileConstants.JDK1_8 ?
"3. ERROR in X.java (at line 8)\n" +
" new X().a3(hx);\n" +
" ^^\n" +
"The method a3(G) is ambiguous for the type X\n" +
"----------\n" +
"4. ERROR in X.java (at line 9)\n" +
" new X().a3(hraw);\n" +
" ^^\n" +
"The method a3(G) is ambiguous for the type X\n" +
"----------\n"
: // not ambiguous in 1.8
""));
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=215843 - variation
public void test1235() {
this.runConformTest(
new String[] {
"X.java",
"public class X { \n" +
" <T extends G<X>> void a3(T x) {}\n" +
" <T extends F<X>> void a3(T x) {}\n" +
"\n" +
" public static void ambiguousCases() { \n" +
" H<X> hx = null;\n" +
" H hraw = null;\n" +
" new X().a3(hx);\n" +
" new X().a3(hraw);\n" +
" } \n" +
"}\n" +
"class F<T1> {} \n" +
"class G<T2> extends F<T2> {}\n" +
"class H<T3> extends G<T3> {}\n",
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=215843 - variation
public void test1236() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" public static void testCovariant(SubInterface sub1, SubInterface sub2) {\n" +
" SubInterface sub3 = sub1.and(sub2);\n" +
" }\n" +
" public interface SuperInterface<E> {\n" +
" public Number getNumber();\n" +
" public SuperInterface<E> and(SuperInterface<E> a);\n" +
" }\n" +
" public interface SubInterface extends SuperInterface, OtherSubInterface {\n" +
" public Integer getNumber();\n" +
" public SubInterface and(SuperInterface s);\n" +
" }\n" +
" public interface OtherSubInterface<U> extends SuperInterface<U> {\n" +
" public OtherSubInterface<U> and(SuperInterface<U> a);\n" +
" }\n" +
"}\n",
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=215843 - variation
public void test1237() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" public static void testCovariant(SubInterface sub1, SubInterface sub2) {\n" +
" SubInterface sub3 = sub1.and(sub2);\n" +
" }\n" +
" public interface SuperInterface<E> {\n" +
" public Number getNumber();\n" +
" public SuperInterface<E> and(SuperInterface<E> a);\n" +
" }\n" +
" public interface SubInterface extends SuperInterface, OtherSubInterface {\n" +
" }\n" +
" public interface OtherSubInterface<U> extends SuperInterface<U> {\n" +
" public OtherSubInterface<U> and(SuperInterface<U> a);\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 3)\n" +
" SubInterface sub3 = sub1.and(sub2);\n" +
" ^^^^^^^^^^^^^^\n" +
"Type safety: The method and(X.SuperInterface) belongs to the raw type X.OtherSubInterface. References to generic type X.OtherSubInterface<U> should be parameterized\n" +
"----------\n" +
"2. ERROR in X.java (at line 3)\n" +
" SubInterface sub3 = sub1.and(sub2);\n" +
" ^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from X.OtherSubInterface to X.SubInterface\n" +
"----------\n" +
"3. WARNING in X.java (at line 9)\n" +
" public interface SubInterface extends SuperInterface, OtherSubInterface {\n" +
" ^^^^^^^^^^^^^^\n" +
"X.SuperInterface is a raw type. References to generic type X.SuperInterface<E> should be parameterized\n" +
"----------\n" +
"4. WARNING in X.java (at line 9)\n" +
" public interface SubInterface extends SuperInterface, OtherSubInterface {\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"X.OtherSubInterface is a raw type. References to generic type X.OtherSubInterface<U> should be parameterized\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=215843 - variation
public void test1238() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" public static void testCovariant(SubInterface sub1, SubInterface sub2) {\n" +
" SubInterface sub3 = sub1.and(sub2);\n" +
" }\n" +
" public interface SuperInterface<E> {\n" +
" public Number getNumber();\n" +
" public SuperInterface<E> and(SuperInterface<E> a);\n" +
" }\n" +
" public interface SubInterface extends SuperInterface, OtherSubInterface {\n" +
" }\n" +
" public interface OtherSubInterface extends SuperInterface {\n" +
" public OtherSubInterface and(SuperInterface a);\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 3)\n" +
" SubInterface sub3 = sub1.and(sub2);\n" +
" ^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from X.OtherSubInterface to X.SubInterface\n" +
"----------\n" +
"2. WARNING in X.java (at line 9)\n" +
" public interface SubInterface extends SuperInterface, OtherSubInterface {\n" +
" ^^^^^^^^^^^^^^\n" +
"X.SuperInterface is a raw type. References to generic type X.SuperInterface<E> should be parameterized\n" +
"----------\n" +
"3. WARNING in X.java (at line 11)\n" +
" public interface OtherSubInterface extends SuperInterface {\n" +
" ^^^^^^^^^^^^^^\n" +
"X.SuperInterface is a raw type. References to generic type X.SuperInterface<E> should be parameterized\n" +
"----------\n" +
"4. WARNING in X.java (at line 12)\n" +
" public OtherSubInterface and(SuperInterface a);\n" +
" ^^^^^^^^^^^^^^\n" +
"X.SuperInterface is a raw type. References to generic type X.SuperInterface<E> should be parameterized\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=215843 - variation
public void test1239() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" public static void testCovariant(CombinedSubInterface sub1, SubInterface sub2) {\n" +
" SubInterface sub3 = sub1.and(sub2);\n" +
" }\n" +
" public interface SuperInterface<E> {\n" +
" public Number getNumber();\n" +
" public SuperInterface<E> and(SuperInterface<E> a);\n" +
" }\n" +
" public interface SubInterface extends SuperInterface {\n" +
" public Integer getNumber();\n" +
" public SubInterface and(SuperInterface s);\n" +
" }\n" +
" public interface CombinedSubInterface extends SubInterface, OtherSubInterface {}\n" +
" \n" +
" public interface OtherSubInterface extends SuperInterface {\n" +
" public OtherSubInterface and(SuperInterface a);\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 3)\n" +
" SubInterface sub3 = sub1.and(sub2);\n" +
" ^^^\n" +
"The method and(X.SuperInterface) is ambiguous for the type X.CombinedSubInterface\n" +
"----------\n" +
"2. WARNING in X.java (at line 9)\n" +
" public interface SubInterface extends SuperInterface {\n" +
" ^^^^^^^^^^^^^^\n" +
"X.SuperInterface is a raw type. References to generic type X.SuperInterface<E> should be parameterized\n" +
"----------\n" +
"3. WARNING in X.java (at line 11)\n" +
" public SubInterface and(SuperInterface s);\n" +
" ^^^^^^^^^^^^^^\n" +
"X.SuperInterface is a raw type. References to generic type X.SuperInterface<E> should be parameterized\n" +
"----------\n" +
"4. ERROR in X.java (at line 13)\n" +
" public interface CombinedSubInterface extends SubInterface, OtherSubInterface {}\n" +
" ^^^^^^^^^^^^^^^^^^^^\n" +
"The return types are incompatible for the inherited methods X.SubInterface.and(X.SuperInterface), X.OtherSubInterface.and(X.SuperInterface)\n" +
"----------\n" +
"5. WARNING in X.java (at line 15)\n" +
" public interface OtherSubInterface extends SuperInterface {\n" +
" ^^^^^^^^^^^^^^\n" +
"X.SuperInterface is a raw type. References to generic type X.SuperInterface<E> should be parameterized\n" +
"----------\n" +
"6. WARNING in X.java (at line 16)\n" +
" public OtherSubInterface and(SuperInterface a);\n" +
" ^^^^^^^^^^^^^^\n" +
"X.SuperInterface is a raw type. References to generic type X.SuperInterface<E> should be parameterized\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=215843 - variation
public void test1240() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" public static void testCovariant(CombinedSubInterface sub1, SubInterface sub2) {\n" +
" SubInterface sub3 = sub1.and(sub2);\n" +
" }\n" +
" public interface SuperInterface<E> {\n" +
" public Number getNumber();\n" +
" public SuperInterface<E> and(SuperInterface<E> a);\n" +
" }\n" +
" public interface SubInterface extends SuperInterface {\n" +
" public Integer getNumber();\n" +
" public SubInterface and(SuperInterface s);\n" +
" }\n" +
" public interface OtherSubInterface extends SubInterface {\n" +
" public OtherSubInterface and(SuperInterface a);\n" +
" }\n" +
" public interface CombinedSubInterface extends OtherSubInterface {}\n" +
"}\n",
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=215843 - variation
public void test1241() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" public static void testCovariant(CombinedSubInterface sub1, SubInterface sub2) {\n" +
" CombinedSubInterface sub3 = sub1.and(sub2);\n" +
" }\n" +
" public interface SuperInterface<E> {\n" +
" public SuperInterface<E> and(SuperInterface<E> a);\n" +
" }\n" +
" public interface SubInterface extends SuperInterface {\n" +
" }\n" +
" public interface OtherSubInterface extends SuperInterface {\n" +
" public CombinedSubInterface and(SuperInterface a);\n" +
" }\n" +
" public interface CombinedSubInterface extends SubInterface, OtherSubInterface {}\n" +
"}\n",
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=164665
public void test1242() {
runConformTest(
// test directory preparation
new String[] { /* test files */
"X.java",
"import java.util.LinkedList;\n" +
"import java.util.List;\n" +
"\n" +
"public class X {\n" +
" public void testCase() {\n" +
" TypedCollection<SuperTypeAbstractClass> collection = TypedCollectionFactory.createTypedCollection(SubTypeClass.class);\n" +
" collection.add(new SubTypeClass());\n" +
" List<SuperTypeAbstractClass> list = collection.list();\n" +
" assert (list.size() > 0);\n" +
" }\n" +
"}\n" +
"\n" +
"abstract class SuperTypeAbstractClass {\n" +
"}\n" +
"\n" +
"class SubTypeClass extends SuperTypeAbstractClass {\n" +
"}\n" +
"\n" +
"interface TypedCollection<T> {\n" +
" TypedCollection<T> add(T object);\n" +
" List<T> list();\n" +
"}\n" +
"\n" +
"class TypedCollectionFactory {\n" +
" public static <T, U extends T> TypedCollection<T> createTypedCollection(Class<U> c) {\n" +
" return new TypedCollectionImpl<T>();\n" +
" }\n" +
"}\n" +
"\n" +
"class TypedCollectionImpl<T> implements TypedCollection<T> {\n" +
" private List<T> list = new LinkedList<T>();\n" +
" public TypedCollection<T> add(T object) {\n" +
" list.add(object);\n" +
" return (this);\n" +
" }\n" +
" public List<T> list() {\n" +
" return list;\n" +
" }\n" +
"}\n", // =================
},
// javac options
JavacTestOptions.JavacHasABug.JavacBugFixed_7 /* javac test options */);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=216100
public void test1243() {
this.runConformTest(
new String[] {
"eclipse/modifier/impl/EclipseModifierBug.java",
"package eclipse.modifier.impl;\n" +
"import eclipse.modifier.Pool;\n" +
"public class EclipseModifierBug {\n" +
" static class MyEntry extends Pool.AbstractEntry<MyEntry> { } \n" +
" static final Pool<MyEntry> pool=new Pool<MyEntry>() {\n" +
" @Override\n" +
" protected MyEntry delegate() {\n" +
" return new MyEntry();\n" +
" } \n" +
" };\n" +
" public static void main(String[] args) {\n" +
" MyEntry entry=pool.m(); \n" +
" }\n" +
"}", // =================
"eclipse/modifier/Pool.java",
"package eclipse.modifier;\n" +
"public abstract class Pool<E extends Pool.Entry<E>> {\n" +
" static abstract class Entry<E extends Entry<E>> {\n" +
" E next;\n" +
" }\n" +
" static public class AbstractEntry<E extends AbstractEntry<E>> extends Entry<E> {\n" +
" }\n" +
" public E m() {\n" +
" return delegate();\n" +
" }\n" +
" protected abstract E delegate();\n" +
" }\n" +
"\n", // =================
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=216100 - variation
public void test1244() {
runNegativeTest(
new String[] { /* test files */
"X.java",
"public class X {\n" +
" static class MyEntry extends Pool.AbstractEntry<MyEntry> { } \n" +
" static final Pool<MyEntry> pool=new Pool<MyEntry>() {\n" +
" @Override\n" +
" protected MyEntry delegate() {\n" +
" return new MyEntry();\n" +
" } \n" +
" };\n" +
" public static void main(String[] args) {\n" +
" MyEntry entry=pool.m();\n" +
" }\n" +
"}\n" +
"\n" +
"abstract class Pool<E extends Pool.Entry<E>> {\n" +
" private static abstract class Entry<E extends Entry<E>> {\n" +
" E next;\n" +
" }\n" +
" static public class AbstractEntry<E extends AbstractEntry<E>> extends Entry<E> {\n" +
" }\n" +
" public E m() {\n" +
" System.out.println(\"SUCCESS\");\n" +
" return delegate();\n" +
" }\n" +
" protected abstract E delegate();\n" +
"}\n", // =================
},
"----------\n" +
"1. ERROR in X.java (at line 14)\n" +
" abstract class Pool<E extends Pool.Entry<E>> {\n" +
" ^^^^^^^^^^\n" +
"The type Pool.Entry is not visible\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=216100 - variation
public void test1245() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T extends Secondary.Private> {\n" +
"}\n" +
"class Secondary {\n" +
" static private class Private {}\n" +
"}\n", // =================
},
"----------\n" +
"1. ERROR in X.java (at line 1)\n" +
" public class X<T extends Secondary.Private> {\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"The type Secondary.Private is not visible\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=216100 - variation
public void test1246() {
runNegativeTest(
new String[] { /* test files */
"X.java",
"public class X<T extends X.Private> {\n" +
" static private class Private {}\n" +
" <U extends X.Private> void foo(U u) {}\n" +
"}\n", // =================
},
"----------\n" +
"1. ERROR in X.java (at line 1)\n" +
" public class X<T extends X.Private> {\n" +
" ^^^^^^^^^\n" +
"The type X.Private is not visible\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=216558
public void test1247() {
String xSource =
"public class X {\n" +
"\n" +
" public static void test() {\n" +
" Foo<?, ?> foo = null;\n" +
" eval(foo); // fails\n" +
" X.<Foo<?, ?>> eval(foo);\n" +
" }\n" +
"\n" +
" public static <T extends Iterable<T>> void eval(T x) {\n" +
" }\n" +
" public static interface Foo<S, T> extends Iterable<Foo<?, ?>> {\n" +
" }\n" +
"}";
if (this.complianceLevel < ClassFileConstants.JDK1_8) {
this.runNegativeTest(
new String[] {
"X.java",
xSource,
},
"----------\n" +
"1. ERROR in X.java (at line 5)\n" +
" eval(foo); // fails\n" +
" ^^^^\n" +
"Bound mismatch: The generic method eval(T) of type X is not applicable for the arguments (X.Foo<capture#1-of ?,capture#2-of ?>). The inferred type X.Foo<capture#1-of ?,capture#2-of ?> is not a valid substitute for the bounded parameter <T extends Iterable<T>>\n" +
"----------\n");
} else {
runConformTest(new String[] { "X.java", xSource });
}
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=216558 - variation
public void test1248() {
runConformTest(
// test directory preparation
new String[] { /* test files */
"X.java",
"public class X {\n" +
"\n" +
" public static void test() {\n" +
" Foo<?, ?> foo = null;\n" +
" eval(foo); // fails\n" +
" X.<Foo<?, ?>> eval(foo);\n" +
" }\n" +
"\n" +
" public static <T extends Iterable<T>> void eval(T x) {\n" +
" }\n" +
" public static interface Foo<S, T> extends Iterable<Foo<S,T>> {\n" +
" }\n" +
"}", // =================
},
// javac options
JavacTestOptions.EclipseHasABug.EclipseBug216558 /* javac test options */);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=216558 - variation
public void test1249() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" public static void test() {\n" +
" Foo<?, ?> foo = null;\n" +
" eval(foo, foo);\n" +
" X.<Foo<?, ?>> eval(foo, foo);\n" +
" }\n" +
" public static <T extends Iterable<T>> void eval(T t1, T t2) {\n" +
" }\n" +
" public static interface Foo<S, T> extends Iterable<Foo<?, ?>> {\n" +
" }\n" +
"}", // =================
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=216565
public void test1250() {
this.runConformTest(
new String[] {
"X.java",
"import java.util.List;\n" +
"public class X {\n" +
" static <T> List<T> asList(T[] x) { return null; }\n" +
" static interface Foo<T> {\n" +
" static interface Sub<T> extends Foo<T> {\n" +
" static List<Sub<?>> LIST = asList(ARRAY); \n" +
" }\n" +
" static Sub<?>[] ARRAY = new Sub[] { };\n" +
" }\n" +
"}", // =================
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=216565 - variation
public void test1251() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" static <T> T asList(T[] x) { return null; }\n" +
" static interface Foo<T> {\n" +
" static interface Sub<T> extends Foo<T> {\n" +
" static Sub<?> LIST = asList(ARRAY); \n" +
" }\n" +
" static Sub<?>[] ARRAY = new Sub[] { };\n" +
" }\n" +
"}\n", // =================
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=216608
public void test1252() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" Zork z;\n" +
" @SuppressWarnings({\"unchecked\", \"rawtypes\"})\n" +
" public B getB() {\n" +
" return new B<Object>();\n" +
" }\n" +
"\n" +
" @SuppressWarnings(\"unused\")\n" +
" public void test() {\n" +
" C<String> c = getB().getC();\n" +
" String s = getB().toString();\n" +
" }\n" +
"}\n" +
"class B<S> {\n" +
" public C<String> getC() {\n" +
" return new C<String>();\n" +
" }\n" +
"}\n" +
"class C<T> {\n" +
"}\n", // =================
},
"----------\n" +
"1. ERROR in X.java (at line 2)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n" +
"2. WARNING in X.java (at line 10)\n" +
" C<String> c = getB().getC();\n" +
" ^^^^^^^^^^^^^\n" +
"Type safety: The expression of type C needs unchecked conversion to conform to C<String>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=216608 - variation
public void test1253() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" Zork z;\n" +
" @SuppressWarnings(\"unchecked\")\n" +
" public B<?> getB() {\n" +
" return new B<Object>();\n" +
" }\n" +
"\n" +
" @SuppressWarnings(\"unused\")\n" +
" public void test() {\n" +
" C<String> c = getB().getC();\n" +
" String s = getB().toString();\n" +
" }\n" +
"}\n" +
"class B<S> {\n" +
" public C<String> getC() {\n" +
" return new C<String>();\n" +
" }\n" +
"}\n" +
"class C<T> {\n" +
"}\n", // =================
},
"----------\n" +
"1. ERROR in X.java (at line 2)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=216565 - variation
public void test1254() {
this.runConformTest(
new String[] {
"X.java",
" import java.util.List;\n" +
"\n" +
"public class X {\n" +
" static <T> XList<T> asList(T[] x) { return null; }\n" +
" static interface Foo<T> {\n" +
" static interface Sub<T> extends Foo<T> {\n" +
" static XList<Sub<String>> LIST = asList(ARRAY); \n" +
" }\n" +
" static Sub<String>[] ARRAY = new Sub[] { };\n" +
" }\n" +
"}\n" +
"\n" +
"class XList<T> {\n" +
"}\n", // =================
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=216565 - variation
public void test1255() {
String xSource =
" import java.util.List;\n" +
"\n" +
"public class X {\n" +
" static <T> XList<T> asList(T x) { return null; }\n" +
" static interface Foo<T> {\n" +
" static interface Sub<T> extends Foo<T> {\n" +
" static XList<Sub<?>> LIST = asList(ARRAY); \n" +
" }\n" +
" @SuppressWarnings(\"rawtypes\")\n" +
" static Sub<?> ARRAY = new Sub() { };\n" +
" }\n" +
"}\n" +
"\n" +
"class XList<T> {\n" +
"}\n";
if (this.complianceLevel < ClassFileConstants.JDK1_8) {
this.runNegativeTest(
new String[] {
"X.java",
xSource,
},
"----------\n" +
"1. ERROR in X.java (at line 7)\n" +
" static XList<Sub<?>> LIST = asList(ARRAY); \n" +
" ^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from XList<X.Foo.Sub<capture#1-of ?>> to XList<X.Foo.Sub<?>>\n" +
"----------\n");
} else {
runConformTest(new String[]{ "X.java", xSource });
}
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=216565 - variation
public void test1256() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" static <T> XList<T> asList(T[] x) { return null; }\n" +
" static interface Foo<T> {\n" +
" static interface Sub<T> extends Foo<T> {\n" +
" static XList<Sub<? extends Object>> LIST = asList(ARRAY); \n" +
" }\n" +
" static Sub<?>[] ARRAY = new Sub[] { };\n" +
" }\n" +
"}\n" +
"\n" +
"class XList<T> {\n" +
"}\n", // =================
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=216565 - variation
public void test1257() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" static <T> XList<T> asList(T[] x) { return null; }\n" +
" static interface Foo<T> {\n" +
" static interface Sub<T> extends Foo<T> {\n" +
" static XList<Sub<? extends Object>> LIST = asList(ARRAY); \n" +
" }\n" +
" static Sub<? extends Object>[] ARRAY = new Sub[] { };\n" +
" }\n" +
"}\n" +
"\n" +
"class XList<T> {\n" +
" Zork z;\n" +
"}\n", // =================
},
"----------\n" +
"1. WARNING in X.java (at line 7)\n" +
" static Sub<? extends Object>[] ARRAY = new Sub[] { };\n" +
" ^^^^^^^^^^^^^\n" +
"Type safety: The expression of type X.Foo.Sub[] needs unchecked conversion to conform to X.Foo.Sub<? extends Object>[]\n" +
"----------\n" +
"2. ERROR in X.java (at line 12)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=216565 - variation
public void test1258() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" static <T> XList<T> asList(T[] x) { return null; }\n" +
" static interface Foo<T> {\n" +
" static interface Sub<T> extends Foo<T> {\n" +
" static XList<Sub<? extends Number>> LIST = asList(ARRAY); \n" +
" }\n" +
" static Sub<? extends Number>[] ARRAY = new Sub[] { };\n" +
" }\n" +
"}\n" +
"\n" +
"class XList<T> {\n" +
"}\n", // =================
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=216565 - variation
public void test1259() {
String xSource =
"public class X {\n" +
" static <T> XList<T> asList(T[] x) { return null; }\n" +
" static interface Foo<T> {\n" +
" static interface Sub<T> extends Foo<T> {\n" +
" static XList<Sub<? extends Number>> LIST = asList(ARRAY); \n" +
" }\n" +
" @SuppressWarnings(\"rawtypes\")\n" +
" static Sub<? extends Integer>[] ARRAY = new Sub[] { };\n" +
" }\n" +
"}\n" +
"\n" +
"class XList<T> {\n" +
"}\n";
if (this.complianceLevel < ClassFileConstants.JDK1_8) {
this.runNegativeTest(
new String[] {
"X.java",
xSource,
},
"----------\n" +
"1. ERROR in X.java (at line 5)\n" +
" static XList<Sub<? extends Number>> LIST = asList(ARRAY); \n" +
" ^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from XList<X.Foo.Sub<? extends Integer>> to XList<X.Foo.Sub<? extends Number>>\n" +
"----------\n" +
"2. WARNING in X.java (at line 8)\n" +
" static Sub<? extends Integer>[] ARRAY = new Sub[] { };\n" +
" ^^^^^^^^^^^^^\n" +
"Type safety: The expression of type X.Foo.Sub[] needs unchecked conversion to conform to X.Foo.Sub<? extends Integer>[]\n" +
"----------\n");
} else {
runConformTest(new String[]{ "X.java", xSource });
}
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=216565 - variation
public void test1260() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" static <T> XList<T> asList(T[] x) { return null; }\n" +
" static interface Foo<T> {\n" +
" static interface Sub<T> extends Foo<T> {\n" +
" static XList<Sub<? super Number>> LIST = asList(ARRAY); \n" +
" }\n" +
" static Sub<? super Number>[] ARRAY = new Sub[] { };\n" +
" }\n" +
"}\n" +
"\n" +
"class XList<T> {\n" +
"}\n", // =================
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=216565 - variation
public void test1261() {
String xSource =
"public class X {\n" +
" static <T> XList<T> asList(T[] x) { return null; }\n" +
" static interface Foo<T> {\n" +
" static interface Sub<T> extends Foo<T> {\n" +
" static XList<Sub<?>> LIST = asList(ARRAY); \n" +
" }\n" +
" static Sub<? super Number>[] ARRAY = new Sub[] { };\n" +
" }\n" +
"}\n" +
"\n" +
"class XList<T> {\n" +
"}\n";
if (this.complianceLevel < ClassFileConstants.JDK1_8) {
this.runNegativeTest(
new String[] {
"X.java",
xSource,
},
"----------\n" +
"1. ERROR in X.java (at line 5)\n" +
" static XList<Sub<?>> LIST = asList(ARRAY); \n" +
" ^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from XList<X.Foo.Sub<? super Number>> to XList<X.Foo.Sub<?>>\n" +
"----------\n" +
"2. WARNING in X.java (at line 7)\n" +
" static Sub<? super Number>[] ARRAY = new Sub[] { };\n" +
" ^^^^^^^^^^^^^\n" +
"Type safety: The expression of type X.Foo.Sub[] needs unchecked conversion to conform to X.Foo.Sub<? super Number>[]\n" +
"----------\n");
} else {
runConformTest(new String[]{ "X.java", xSource });
}
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=216565 - variation
public void test1262() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" static <T> XList<T> asList(T[] x) { return null; }\n" +
" static interface Foo<T> {\n" +
" static interface Sub<T> extends Foo<T> {\n" +
" static XList<Sub<? super Number>> LIST = asList(ARRAY); \n" +
" }\n" +
" static Sub<?>[] ARRAY = new Sub[] { };\n" +
" }\n" +
"}\n" +
"\n" +
"class XList<T> {\n" +
"}\n", // =================
},
"----------\n" +
"1. ERROR in X.java (at line 5)\n" +
" static XList<Sub<? super Number>> LIST = asList(ARRAY); \n" +
" ^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from XList<X.Foo.Sub<?>> to XList<X.Foo.Sub<? super Number>>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=216565 - variation
public void test1263() {
String xSource =
"public class X {\n" +
" static <T> XList<T> asList(T[] x) { return null; }\n" +
" static interface Foo<T> {\n" +
" static interface Sub<T> extends Foo<T> {\n" +
" static XList<Sub<?>> LIST = asList(ARRAY); \n" +
" }\n" +
" @SuppressWarnings(\"rawtypes\")\n" +
" static Sub<? super Object>[] ARRAY = new Sub[] { };\n" +
" }\n" +
"}\n" +
"\n" +
"class XList<T> {\n" +
"}\n";
if (this.complianceLevel < ClassFileConstants.JDK1_8) {
this.runNegativeTest(
new String[] {
"X.java",
xSource,
},
"----------\n" +
"1. ERROR in X.java (at line 5)\n" +
" static XList<Sub<?>> LIST = asList(ARRAY); \n" +
" ^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from XList<X.Foo.Sub<? super Object>> to XList<X.Foo.Sub<?>>\n" +
"----------\n" +
"2. WARNING in X.java (at line 8)\n" +
" static Sub<? super Object>[] ARRAY = new Sub[] { };\n" +
" ^^^^^^^^^^^^^\n" +
"Type safety: The expression of type X.Foo.Sub[] needs unchecked conversion to conform to X.Foo.Sub<? super Object>[]\n" +
"----------\n");
} else {
runConformTest(new String[]{ "X.java", xSource });
}
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=216565 - variation
public void test1264() {
this.runConformTest(
new String[] {
"X.java",
"import java.util.List;\n" +
"public class X {\n" +
" static <T> List<T> asList(T[] x) { return null; }\n" +
" static interface Foo<T> {\n" +
" static interface Sub<T> extends Foo<T> {\n" +
" static List<X.Foo.Sub<?>> LIST = asList(ARRAY); \n" +
" }\n" +
" static X.Foo.Sub<?>[] ARRAY = new Sub[] { };\n" +
" }\n" +
"}", // =================
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=216565 - variation
public void test1265() {
this.runConformTest(
new String[] {
"X.java",
"import java.util.List;\n" +
"public class X {\n" +
" static <T> List<T> asList(T[] x) { return null; }\n" +
" static interface Foo<T> {\n" +
" static interface Sub<T> extends Foo<T> {\n" +
" static List<Foo.Sub<?>> LIST = asList(ARRAY); \n" +
" }\n" +
" static Sub<?>[] ARRAY = new Sub[] { };\n" +
" }\n" +
"}", // =================
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=216565 - variation
public void test1266() {
this.runConformTest(
new String[] {
"X.java",
"import java.util.List;\n" +
"public class X {\n" +
" static <T> List<T> asList(T[] x) { return null; }\n" +
" static interface Foo<T> {\n" +
" static interface Sub<T> extends Foo<T> {\n" +
" static List<Sub<?>> LIST = asList(ARRAY); \n" +
" }\n" +
" static Foo.Sub<?>[] ARRAY = new Sub[] { };\n" +
" }\n" +
"}", // =================
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=216705
public void test1267() {
this.runConformTest(
new String[] {
"X.java",
"import java.util.List;\n" +
"public class X {\n" +
" static interface Foo {\n" +
" }\n" +
" static interface SubFoo extends Foo {\n" +
" }\n" +
" static abstract class AbstractTest<T extends Foo> {\n" +
" protected static class Bar<T extends Foo> {\n" +
" }\n" +
" protected abstract List<Bar<? extends T>> get();\n" +
" }\n" +
" static class Test extends AbstractTest<SubFoo> {\n" +
" @Override\n" +
" protected List<Bar<? extends SubFoo>> get() {\n" +
" return null;\n" +
" }\n" +
" }\n" +
"}", // =================
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=216692
public void test1268() {
this.runConformTest(
new String[] {
"pkg1/Foo.java",
"package pkg1;\n" +
"import java.util.Map;\n" +
"public class Foo<T> {\n" +
" protected final Map<String, Field> fields = null;\n" +
" protected static class Field { }\n" +
"}\n",
"pkg2/SubFoo.java",
"package pkg2;\n" +
"import pkg1.Foo;\n" +
"public class SubFoo<T> extends Foo<T> {\n" +
" private Field field = null;\n" +
" private void test() {\n" +
" Field field = fields.get(\"test\");\n" +
" }\n" +
"}\n", // =================
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=216686
public void test1269() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" // some functor and functor instances definitions\n" +
" static interface OO<T, E> { \n" +
" public T eval(E x);\n" +
" }\n" +
" static interface TO<T> extends OO<String, T> {\n" +
" public String eval(T x);\n" +
" }\n" +
" static interface TT extends TO<String> {\n" +
" public String eval(String x);\n" +
" }\n" +
" static final TO<Object> FUNC1 = null;\n" +
" static final TT FUNC2 = null;\n" +
"\n" +
" // some functor combinators\n" +
" static <E> TO<E> combine(final TT x, final TO<? super E> y) { // # 1\n" +
" System.out.println(\"#1#\");\n" +
" return new TO<E>() { public String eval(E o) { return x.eval(y.eval(o)); } }; \n" +
" }\n" +
" // body of the test\n" +
" static <E> void put(Class<E> type, TO<? super E> func) {\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" put(Integer.class, combine(FUNC2, FUNC1));\n" +
" }\n" +
"}\n", // =================
},
"#1#");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=216686 - variation
public void test1270() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" // some functor and functor instances definitions\n" +
" static interface OO<T, E> { \n" +
" public T eval(E x);\n" +
" }\n" +
" static interface TO<T> extends OO<String, T> {\n" +
" public String eval(T x);\n" +
" }\n" +
" static interface TT extends TO<String> {\n" +
" public String eval(String x);\n" +
" }\n" +
" static final TO<Object> FUNC1 = null;\n" +
" static final TT FUNC2 = null;\n" +
"\n" +
" // some functor combinators\n" +
" static <E, T> TO<T> combine(final TO<? super E> x, final OO<E, T> y) { // # 2\n" +
" System.out.println(\"#2#\");\n" +
" return new TO<T>() { public String eval(T o) { return x.eval(y.eval(o)); } }; \n" +
" }\n" +
" // body of the test\n" +
" static <E> void put(Class<E> type, TO<? super E> func) {\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" put(Integer.class, combine(FUNC2, FUNC1));\n" +
" }\n" +
"}\n", // =================
},
"#2#");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=216686 - variation
public void test1271() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" // some functor and functor instances definitions\n" +
" static interface OO<T, E> { \n" +
" public T eval(E x);\n" +
" }\n" +
" static interface TO<T> extends OO<String, T> {\n" +
" public String eval(T x);\n" +
" }\n" +
" static interface TT extends TO<String> {\n" +
" public String eval(String x);\n" +
" }\n" +
" static final TO<Object> FUNC1 = null;\n" +
" static final TT FUNC2 = null;\n" +
"\n" +
" // some functor combinators\n" +
" static <E, T, V> OO<E, V> combine(final OO<E, ? super T> x, final OO<T, V> y) { // # 3\n" +
" System.out.println(\"#3#\");\n" +
" return new OO<E, V>() { public E eval(V o) { return x.eval(y.eval(o)); } };\n" +
" }\n" +
" // body of the test\n" +
" static <E> void put(Class<E> type, TO<? super E> func) {\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" put(Integer.class, combine(FUNC2, FUNC1));\n" +
" }\n" +
"}\n", // =================
},
this.complianceLevel < ClassFileConstants.JDK1_8 ?
"----------\n" +
"1. ERROR in X.java (at line 24)\n" +
" put(Integer.class, combine(FUNC2, FUNC1));\n" +
" ^^^\n" +
"The method put(Class<E>, X.TO<? super E>) in the type X is not applicable for the arguments (Class<Integer>, X.OO<String,Object>)\n" +
"----------\n"
: // ATM, in 1.8+ we generate an extra error due to inner poly expression resolution after the target type is known.
"----------\n" +
"1. ERROR in X.java (at line 24)\n" +
" put(Integer.class, combine(FUNC2, FUNC1));\n" +
" ^^^\n" +
"The method put(Class<E>, X.TO<? super E>) in the type X is not applicable for the arguments (Class<Integer>, X.OO<String,Object>)\n" +
"----------\n" +
"2. ERROR in X.java (at line 24)\n" +
" put(Integer.class, combine(FUNC2, FUNC1));\n" +
" ^^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from X.OO<String,Object> to X.TO<? super E>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=216686 - variation
public void test1272() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" // some functor and functor instances definitions\n" +
" static interface OO<T, E> { \n" +
" public T eval(E x);\n" +
" }\n" +
" static interface TO<T> extends OO<String, T> {\n" +
" public String eval(T x);\n" +
" }\n" +
" static interface TT extends TO<String> {\n" +
" public String eval(String x);\n" +
" }\n" +
" static final TO<Object> FUNC1 = null;\n" +
" static final TT FUNC2 = null;\n" +
"\n" +
" // some functor combinators\n" +
" static <E, T, V> OO<E, V> combine(final OO<E, ? super T> x, final OO<T, V> y) { // # 3\n" +
" System.out.print(\"#3#\");\n" +
" return new OO<E, V>() { public E eval(V o) { return x.eval(y.eval(o)); } };\n" +
" }\n" +
" // body of the test\n" +
" static <E> void put(Class<E> type, TO<? super E> func) {\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" try {\n" +
" put(Integer.class, (TO<Object>)combine(FUNC2, FUNC1));\n" +
" } catch(ClassCastException e) {\n" +
" System.out.println(\"#CLASSCAST#\");\n" +
" }\n" +
" }\n" +
"}\n", // =================
},
"#3##CLASSCAST#");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=216686 - variation
public void test1273() {
String sourceX =
"public class X {\n" +
" // some functor and functor instances definitions\n" +
" static interface OO<T, E> { \n" +
" public T eval(E x);\n" +
" }\n" +
" static interface TO<T> extends OO<String, T> {\n" +
" public String eval(T x);\n" +
" }\n" +
" static interface TT extends TO<String> {\n" +
" public String eval(String x);\n" +
" }\n" +
" static final TO<Object> FUNC1 = null;\n" +
" static final TT FUNC2 = null;\n" +
"\n" +
" // some functor combinators\n" +
" static <E> TO<E> combine(final TT x, final TO<? super E> y) { // # 1\n" +
" System.out.println(\"#1#\");\n" +
" return new TO<E>() { public String eval(E o) { return x.eval(y.eval(o)); } }; \n" +
" }\n" +
" static <E, T> TO<T> combine(final TO<? super E> x, final OO<E, T> y) { // # 2\n" +
" System.out.println(\"#2#\");\n" +
" return new TO<T>() { public String eval(T o) { return x.eval(y.eval(o)); } }; \n" +
" }\n" +
" // body of the test\n" +
" static <E> void put(Class<E> type, TO<? super E> func) {\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" put(Integer.class, combine(FUNC2, FUNC1));\n" +
" }\n" +
"}\n";
if (this.complianceLevel < ClassFileConstants.JDK1_8) {
this.runConformTest(
new String[] {
"X.java",
sourceX,
},
"#1#");
} else {
runNegativeTest(
new String[] {
"X.java",
sourceX
},
"----------\n" +
"1. ERROR in X.java (at line 28)\n" +
" put(Integer.class, combine(FUNC2, FUNC1));\n" +
" ^^^^^^^\n" +
"The method combine(X.TT, X.TO<? super Object>) is ambiguous for the type X\n" +
"----------\n" );
}
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=216686 - variation
public void test1274() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" // some functor and functor instances definitions\n" +
" static interface OO<T, E> { \n" +
" public T eval(E x);\n" +
" }\n" +
" static interface TO<T> extends OO<String, T> {\n" +
" public String eval(T x);\n" +
" }\n" +
" static interface TT extends TO<String> {\n" +
" public String eval(String x);\n" +
" }\n" +
" static final TO<Object> FUNC1 = null;\n" +
" static final TT FUNC2 = null;\n" +
"\n" +
" // some functor combinators\n" +
" static <E> TO<E> combine(final TT x, final TO<? super E> y) { // # 1\n" +
" System.out.println(\"#1#\");\n" +
" return new TO<E>() { public String eval(E o) { return x.eval(y.eval(o)); } }; \n" +
" }\n" +
" static <E, T> TO<T> combine(final TO<? super E> x, final OO<E, T> y) { // # 2\n" +
" System.out.println(\"#2#\");\n" +
" return new TO<T>() { public String eval(T o) { return x.eval(y.eval(o)); } }; \n" +
" }\n" +
" // body of the test\n" +
" static <E> void put(Class<E> type, TO<? super E> func) {\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" put(Integer.class, X.<Object>combine(FUNC2, FUNC1));\n" +
" }\n" +
"}\n", // =================
},
"#1#");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=216686 - variation
public void test1275() {
String[] input =
new String[] {
"X.java",
"public class X {\n" +
" // some functor and functor instances definitions\n" +
" static interface OO<T, E> { \n" +
" public T eval(E x);\n" +
" }\n" +
" static interface TO<T> extends OO<String, T> {\n" +
" public String eval(T x);\n" +
" }\n" +
" static interface TT extends TO<String> {\n" +
" public String eval(String x);\n" +
" }\n" +
" static final TO<Object> FUNC1 = null;\n" +
" static final TT FUNC2 = null;\n" +
"\n" +
" // some functor combinators\n" +
" static <E> TO<E> combine(final TT x, final TO<? super E> y) { // # 1\n" +
" System.out.println(\"#1#\");\n" +
" return new TO<E>() { public String eval(E o) { return x.eval(y.eval(o)); } }; \n" +
" }\n" +
" static <E, T, V> OO<E, V> combine(final OO<E, ? super T> x, final OO<T, V> y) { // # 3\n" +
" System.out.println(\"#3#\");\n" +
" return new OO<E, V>() { public E eval(V o) { return x.eval(y.eval(o)); } };\n" +
" }\n" +
" // body of the test\n" +
" static <E> void put(Class<E> type, TO<? super E> func) {\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" put(Integer.class, combine(FUNC2, FUNC1));\n" +
" }\n" +
"}\n", // =================
};
if (this.complianceLevel < ClassFileConstants.JDK1_8) {
runConformTest(
input,
"#1#");
} else {
runNegativeTest(
input,
"----------\n" +
"1. ERROR in X.java (at line 28)\n" +
" put(Integer.class, combine(FUNC2, FUNC1));\n" +
" ^^^^^^^\n" +
"The method combine(X.TT, X.TO<? super Object>) is ambiguous for the type X\n" +
"----------\n");
}
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=216686 - variation
public void test1276() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" // some functor and functor instances definitions\n" +
" static interface OO<T, E> { \n" +
" public T eval(E x);\n" +
" }\n" +
" static interface TO<T> extends OO<String, T> {\n" +
" public String eval(T x);\n" +
" }\n" +
" static interface TT extends TO<String> {\n" +
" public String eval(String x);\n" +
" }\n" +
" static final TO<Object> FUNC1 = null;\n" +
" static final TT FUNC2 = null;\n" +
"\n" +
" // some functor combinators\n" +
" static <E> TO<E> combine(final TT x, final TO<? super E> y) { // # 1\n" +
" System.out.println(\"#1#\");\n" +
" return new TO<E>() { public String eval(E o) { return x.eval(y.eval(o)); } }; \n" +
" }\n" +
" static <E, T, V> OO<E, V> combine(final OO<E, ? super T> x, final OO<T, V> y) { // # 3\n" +
" System.out.println(\"#3#\");\n" +
" return new OO<E, V>() { public E eval(V o) { return x.eval(y.eval(o)); } };\n" +
" }\n" +
" // body of the test\n" +
" static <E> void put(Class<E> type, TO<? super E> func) {\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" put(Integer.class, X.<Object>combine(FUNC2, FUNC1));\n" +
" }\n" +
"}\n", // =================
},
"#1#");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=216686 - variation
public void test1277() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" // some functor and functor instances definitions\n" +
" static interface OO<T, E> { \n" +
" public T eval(E x);\n" +
" }\n" +
" static interface TO<T> extends OO<String, T> {\n" +
" public String eval(T x);\n" +
" }\n" +
" static interface TT extends TO<String> {\n" +
" public String eval(String x);\n" +
" }\n" +
" static final TO<Object> FUNC1 = null;\n" +
" static final TT FUNC2 = null;\n" +
"\n" +
" // some functor combinators\n" +
" static <E, T> TO<T> combine(final TO<? super E> x, final OO<E, T> y) { // # 2\n" +
" System.out.println(\"#2#\");\n" +
" return new TO<T>() { public String eval(T o) { return x.eval(y.eval(o)); } }; \n" +
" }\n" +
" static <E, T, V> OO<E, V> combine(final OO<E, ? super T> x, final OO<T, V> y) { // # 3\n" +
" System.out.println(\"#3#\");\n" +
" return new OO<E, V>() { public E eval(V o) { return x.eval(y.eval(o)); } };\n" +
" }\n" +
" // body of the test\n" +
" static <E> void put(Class<E> type, TO<? super E> func) {\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" put(Integer.class, combine(FUNC2, FUNC1));\n" +
" }\n" +
"}\n", // =================
},
"#2#");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=216686 - variation
public void test1278() {
String[] input =
new String[] {
"X.java",
"public class X {\n" +
" // some functor and functor instances definitions\n" +
" static interface OO<T, E> { \n" +
" public T eval(E x);\n" +
" }\n" +
" static interface TO<T> extends OO<String, T> {\n" +
" public String eval(T x);\n" +
" }\n" +
" static interface TT extends TO<String> {\n" +
" public String eval(String x);\n" +
" }\n" +
" static final TO<Object> FUNC1 = null;\n" +
" static final TT FUNC2 = null;\n" +
"\n" +
" // some functor combinators\n" +
" static <E> TO<E> combine(final TT x, final TO<? super E> y) { // # 1\n" +
" System.out.println(\"#1#\");\n" +
" return new TO<E>() { public String eval(E o) { return x.eval(y.eval(o)); } }; \n" +
" }\n" +
" static <E, T> TO<T> combine(final TO<? super E> x, final OO<E, T> y) { // # 2\n" +
" System.out.println(\"#2#\");\n" +
" return new TO<T>() { public String eval(T o) { return x.eval(y.eval(o)); } }; \n" +
" }\n" +
" static <E, T, V> OO<E, V> combine(final OO<E, ? super T> x, final OO<T, V> y) { // # 3\n" +
" System.out.println(\"#3#\");\n" +
" return new OO<E, V>() { public E eval(V o) { return x.eval(y.eval(o)); } };\n" +
" }\n" +
" // body of the test\n" +
" static <E> void put(Class<E> type, TO<? super E> func) {\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" put(Integer.class, combine(FUNC2, FUNC1));\n" +
" }\n" +
"}\n", // =================
};
if (this.complianceLevel < ClassFileConstants.JDK1_8) {
runConformTest(
input,
"#1#");
} else {
runNegativeTest(
input,
"----------\n" +
"1. ERROR in X.java (at line 32)\n" +
" put(Integer.class, combine(FUNC2, FUNC1));\n" +
" ^^^^^^^\n" +
"The method combine(X.TT, X.TO<? super Object>) is ambiguous for the type X\n" +
"----------\n");
}
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=216686 - variation
public void test1279() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" // some functor and functor instances definitions\n" +
" static interface OO<T, E> { \n" +
" public T eval(E x);\n" +
" }\n" +
" static interface TO<T> extends OO<String, T> {\n" +
" public String eval(T x);\n" +
" }\n" +
" static interface TT extends TO<String> {\n" +
" public String eval(String x);\n" +
" }\n" +
" static final TO<Object> FUNC1 = null;\n" +
" static final TT FUNC2 = null;\n" +
"\n" +
" // some functor combinators\n" +
" static <E> TO<E> combine(final TT x, final TO<? super E> y) { // # 1\n" +
" System.out.println(\"#1#\");\n" +
" return new TO<E>() { public String eval(E o) { return x.eval(y.eval(o)); } }; \n" +
" }\n" +
" static <E, T> TO<T> combine(final TO<? super E> x, final OO<E, T> y) { // # 2\n" +
" System.out.println(\"#2#\");\n" +
" return new TO<T>() { public String eval(T o) { return x.eval(y.eval(o)); } }; \n" +
" }\n" +
" static <E, T, V> OO<E, V> combine(final OO<E, ? super T> x, final OO<T, V> y) { // # 3\n" +
" System.out.println(\"#3#\");\n" +
" return new OO<E, V>() { public E eval(V o) { return x.eval(y.eval(o)); } };\n" +
" }\n" +
" // body of the test\n" +
" static <E> void put(Class<E> type, TO<? super E> func) {\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" put(Integer.class, X.<Object>combine(FUNC2, FUNC1));\n" +
" }\n" +
"}\n", // =================
},
"#1#");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=216686 - variation
public void test1280() {
this.runConformTest(
new String[] {
"X.java",
"interface OO<T,E> {}\n" +
"interface TO<T> extends OO<String,T> {}\n" +
"interface TT extends TO<String> {}\n" +
"\n" +
"public class X {\n" +
" <E, T> TO<T> combine(final TO<? super E> x, final OO<E, T> y) { return null; }\n" +
" void foo(TT tt, TO<? super Object> too) {\n" +
" combine(tt, too);\n" +
" }\n" +
"}", // =================
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=216686 - variation
// FAIL EXTRA ERR, see http://mail.openjdk.java.net/pipermail/lambda-spec-experts/2013-December/000444.html
public void test1281() {
if (this.complianceLevel >= ClassFileConstants.JDK1_8)
return;
this.runConformTest(
new String[] {
"X.java",
"interface OO<T,E> {}\n" +
"interface TO<T> extends OO<String,T> {}\n" +
"interface TT extends TO<String> {}\n" +
"\n" +
"public class X {\n" +
" <E, T> TO<T> combine(final TO<? super E> x, final OO<E, T>[] y) { return null; }\n" +
" void foo(TT tt, TO<? super Object>[] too) {\n" +
" combine(tt, too);\n" +
" }\n" +
"}", // =================
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=216686 - variation
public void test1282() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" static interface OO<T,E> {}\n" +
" static interface TO<T> extends OO<String,T> {}\n" +
" static interface TT extends TO<String> {}\n" +
" \n" +
" <E, T> TO<T> combine(TT x, TO<? super E> y) { return null; }\n" +
" void foo(TO<? super String> too, OO<String,Object> oo) {\n" +
" combine(too, oo);\n" +
" }\n" +
"}", // =================
},
"----------\n" +
"1. ERROR in X.java (at line 8)\n" +
" combine(too, oo);\n" +
" ^^^^^^^\n" +
"The method combine(X.TT, X.TO<? super E>) in the type X is not applicable for the arguments (X.TO<capture#1-of ? super String>, X.OO<String,Object>)\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=216686 - variation
public void test1283() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" static interface OO<T,E> {}\n" +
" static interface TO<T> extends OO<String,T> {}\n" +
" static interface TT extends TO<String> {}\n" +
" \n" +
" <E, T> TO<T> combine(TT[] x, TO<? super E>[] y) { return null; }\n" +
" void foo(TO<? super String>[] too, OO<String,Object>[] oo) {\n" +
" combine(too, oo);\n" +
" }\n" +
"}", // =================
},
"----------\n" +
"1. ERROR in X.java (at line 8)\n" +
" combine(too, oo);\n" +
" ^^^^^^^\n" +
"The method combine(X.TT[], X.TO<? super E>[]) in the type X is not applicable for the arguments (X.TO<? super String>[], X.OO<String,Object>[])\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=210425
public void test1284() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" public static void main(String[] args) {\n" +
" Thread th = Thread.currentThread();\n" +
" Z<String, Thread> z1 = new Z<String, Thread>(th);\n" +
" Z<String, Exception> z2 = new Z<String, Exception>(new Exception());\n" +
" Y<String, Thread> y = new Y<String, Thread>() {};\n" +
" y.foo(z1).get().getThreadGroup();\n" +
" y.foo(z2).get().getThreadGroup(); // heap pollution: we get a CCE because we return a U2\n" +
" Zork z;\n" +
" }\n" +
"}\n" +
"abstract class Y<T, U> {\n" +
" I2<T, U> foo(I1<T> i) {\n" +
" return (I2<T, U>) i;\n" +
" }\n" +
"}\n" +
"interface I1<T> {\n" +
"}\n" +
"interface I2<T, U> extends I1<T> {\n" +
" U get();\n" +
"}\n" +
"class Z<V, W> implements I2<V, W> {\n" +
" W w;\n" +
" Z(W w) {\n" +
" this.w = w;\n" +
" }\n" +
" public W get() {\n" +
" return this.w;\n" +
" }\n" +
"}\n", // =================
},
"----------\n" +
"1. ERROR in X.java (at line 9)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n" +
"2. WARNING in X.java (at line 14)\n" +
" return (I2<T, U>) i;\n" +
" ^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from I1<T> to I2<T,U>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=210425 - variation
public void test1285() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" public static void main(String[] args) {\n" +
" Thread th = Thread.currentThread();\n" +
" Z<String, Thread> z1 = new Z<String, Thread>(th);\n" +
" Z<String, Exception> z2 = new Z<String, Exception>(new Exception());\n" +
" Y<String, Thread> y = new Y<String, Thread>() {};\n" +
" y.foo(z1).get().getThreadGroup();\n" +
" y.foo(z2).get().getThreadGroup();\n" +
" }\n" +
"}\n" +
"abstract class Y<T, U> {\n" +
" I2<T, U> foo(I1<T,U> i) {\n" +
" return (I2<T, U>) i;\n" +
" }\n" +
"}\n" +
"interface I1<T, U> {\n" +
"}\n" +
"interface I2<T, U> extends I1<T,U> {\n" +
" U get();\n" +
"}\n" +
"class Z<V, W> implements I2<V, W> {\n" +
" W w;\n" +
" Z(W w) {\n" +
" this.w = w;\n" +
" }\n" +
" public W get() {\n" +
" return this.w;\n" +
" }\n" +
"}\n", // =================
},
"----------\n" +
"1. ERROR in X.java (at line 8)\n" +
" y.foo(z2).get().getThreadGroup();\n" +
" ^^^\n" +
"The method foo(I1<String,Thread>) in the type Y<String,Thread> is not applicable for the arguments (Z<String,Exception>)\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=210425 - variation
public void test1286() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" public static void main(String[] args) {\n" +
" Thread th = Thread.currentThread();\n" +
" Z<String, Thread> z1 = new Z<String, Thread>(th);\n" +
" Z<String, Exception> z2 = new Z<String, Exception>(new Exception());\n" +
" Y<String, Thread> y = new Y<String, Thread>() {};\n" +
" y.foo(z1).get().getThreadGroup();\n" +
" y.foo(z2).get().getThreadGroup(); // heap pollution: we get a CCE because we return a U2\n" +
" Zork z;\n" +
" }\n" +
"}\n" +
"abstract class Y<T, U> {\n" +
" I2<U> foo(I1 i) {\n" +
" return (I2<U>) i;\n" +
" }\n" +
"}\n" +
"interface I1 {}\n" +
"interface I2<U> extends I1 {\n" +
" U get();\n" +
"}\n" +
"class Z<V, W> implements I2<W> {\n" +
" W w;\n" +
" Z(W w) {\n" +
" this.w = w;\n" +
" }\n" +
" public W get() {\n" +
" return this.w;\n" +
" }\n" +
"}\n", // =================
},
"----------\n" +
"1. ERROR in X.java (at line 9)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n" +
"2. WARNING in X.java (at line 14)\n" +
" return (I2<U>) i;\n" +
" ^^^^^^^^^\n" +
"Type safety: Unchecked cast from I1 to I2<U>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=210425 - variation
public void test1287() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" public static void main(String[] args) {\n" +
" Thread th = Thread.currentThread();\n" +
" Z<String, Thread> z1 = new Z<String, Thread>(th);\n" +
" Z<String, Exception> z2 = new Z<String, Exception>(new Exception());\n" +
" Y<String, Thread> y = new Y<String, Thread>() {};\n" +
" y.foo(z1).get().getThreadGroup();\n" +
" y.foo(z2).get().getThreadGroup(); // heap pollution: we get a CCE because we return a U2\n" +
" Zork z;\n" +
" }\n" +
"}\n" +
"abstract class Y<T, U> {\n" +
" I2<T,U> foo(I1<T,T> i) {\n" +
" return (I2<T,U>) i;\n" +
" }\n" +
"}\n" +
"interface I1<D,E> {}\n" +
"interface I2<F,G> extends I1<F,F> {\n" +
" G get();\n" +
"}\n" +
"class Z<V, W> implements I2<V,W> {\n" +
" W w;\n" +
" Z(W w) {\n" +
" this.w = w;\n" +
" }\n" +
" public W get() {\n" +
" return this.w;\n" +
" }\n" +
"}\n", // =================
},
"----------\n" +
"1. ERROR in X.java (at line 9)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n" +
"2. WARNING in X.java (at line 14)\n" +
" return (I2<T,U>) i;\n" +
" ^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from I1<T,T> to I2<T,U>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=210425 - variation
public void test1288() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.Map;\n" +
"public class X {\n" +
" public static void main(String[] args) {\n" +
" Thread th = Thread.currentThread();\n" +
" Z<String, Thread> z1 = new Z<String, Thread>(th);\n" +
" Z<String, Exception> z2 = new Z<String, Exception>(new Exception());\n" +
" Y<String, Thread> y = new Y<String, Thread>() {};\n" +
" y.foo(z1).get().getThreadGroup();\n" +
" y.foo(z2).get().getThreadGroup(); // heap pollution: we get a CCE because we return a U2\n" +
" Zork z;\n" +
" }\n" +
"}\n" +
"abstract class Y<T, U> {\n" +
" I2<T,U> foo(I1<Map<T,T>> i) {\n" +
" return (I2<T,U>) i;\n" +
" }\n" +
"}\n" +
"interface I1<D> {}\n" +
"interface I2<F,G> extends I1<Map<F,F>> {\n" +
" G get();\n" +
"}\n" +
"class Z<V, W> implements I2<V,W> {\n" +
" W w;\n" +
" Z(W w) {\n" +
" this.w = w;\n" +
" }\n" +
" public W get() {\n" +
" return this.w;\n" +
" }\n" +
"}", // =================
},
"----------\n" +
"1. ERROR in X.java (at line 10)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n" +
"2. WARNING in X.java (at line 15)\n" +
" return (I2<T,U>) i;\n" +
" ^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from I1<Map<T,T>> to I2<T,U>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=210425 - variation
public void test1289() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.Map;\n" +
"public class X {\n" +
" public static void main(String[] args) {\n" +
" Thread th = Thread.currentThread();\n" +
" Z<String, Thread> z1 = new Z<String, Thread>(th);\n" +
" Z<String, Exception> z2 = new Z<String, Exception>(new Exception());\n" +
" Y<String, Thread> y = new Y<String, Thread>() {};\n" +
" y.foo(z1).get().getThreadGroup();\n" +
" y.foo(z2).get().getThreadGroup(); // heap pollution: we get a CCE because we return a U2\n" +
" Zork z;\n" +
" }\n" +
"}\n" +
"abstract class Y<T, U> {\n" +
" I2<T,U> foo(I1<Map<T,T>> i) {\n" +
" return (I2<T,U>) i;\n" +
" }\n" +
"}\n" +
"interface I1<D> {}\n" +
"interface I2<F,G> extends I1<Map<F,G>> {\n" +
" G get();\n" +
"}\n" +
"class Z<V, W> implements I2<V,W> {\n" +
" W w;\n" +
" Z(W w) {\n" +
" this.w = w;\n" +
" }\n" +
" public W get() {\n" +
" return this.w;\n" +
" }\n" +
"}", // =================
},
"----------\n" +
"1. ERROR in X.java (at line 8)\n" +
" y.foo(z1).get().getThreadGroup();\n" +
" ^^^\n" +
"The method foo(I1<Map<String,String>>) in the type Y<String,Thread> is not applicable for the arguments (Z<String,Thread>)\n" +
"----------\n" +
"2. ERROR in X.java (at line 9)\n" +
" y.foo(z2).get().getThreadGroup(); // heap pollution: we get a CCE because we return a U2\n" +
" ^^^\n" +
"The method foo(I1<Map<String,String>>) in the type Y<String,Thread> is not applicable for the arguments (Z<String,Exception>)\n" +
"----------\n" +
"3. ERROR in X.java (at line 10)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n" +
"4. ERROR in X.java (at line 15)\n" +
" return (I2<T,U>) i;\n" +
" ^^^^^^^^^^^\n" +
"Cannot cast from I1<Map<T,T>> to I2<T,U>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=210425 - variation
public void test1290() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X <T, U> {\n" +
" K<T> foo(I<T> i) {\n" +
" return (K<T>) i;\n" +
" }\n" +
" Zork z;\n" +
"}\n" +
"interface I<T> {\n" +
"}\n" +
"interface J<T, U> extends I<T> {\n" +
"}\n" +
"interface K<T> extends J<T, String> {\n" +
"}", // =================
},
"----------\n" +
"1. ERROR in X.java (at line 5)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=218677
// FAIL ERRMSG
public void test1291() {
if (this.complianceLevel >= ClassFileConstants.JDK1_8)
return;
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.ArrayList;\n" +
"import java.util.List;\n" +
"public class X {\n" +
" public static <D, E extends D> List<D> moreGeneric(List<E> list) {\n" +
" List<D> result = new ArrayList<D>();\n" +
" result.addAll( list );\n" +
" return result;\n" +
" }\n" +
" class A {}\n" +
" class B extends A {}\n" +
" class C extends B {}\n" +
" public static void main( String[] args ) {\n" +
" List<B> b = new ArrayList<B>();\n" +
" List<A> a = moreGeneric(b);\n" +
" List<C> c = moreGeneric(b);\n" +
" }\n" +
"}\n", // =================
},
"----------\n" +
"1. ERROR in X.java (at line 15)\n" +
" List<C> c = moreGeneric(b);\n" +
" ^^^^^^^^^^^\n" +
"Bound mismatch: The generic method moreGeneric(List<E>) of type X is not applicable for the arguments (List<X.B>). The inferred type X.B is not a valid substitute for the bounded parameter <E extends D>\n" +
"----------\n",
JavacTestOptions.EclipseJustification.EclipseBug218677);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=218677 - variation
// FAIL ERRMSG
public void test1292() {
if (this.complianceLevel >= ClassFileConstants.JDK1_8)
return;
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.ArrayList;\n" +
"import java.util.List;\n" +
"public class X {\n" +
" public static <D, E extends D> List<E> moreSpecific(List<D> list) {\n" +
" List<E> result = new ArrayList<E>();\n" +
" result.addAll( (List<?>)list );\n" +
" return result;\n" +
" }\n" +
" class A {}\n" +
" class B extends A {}\n" +
" class C extends B {}\n" +
" public static void main( String[] args ) {\n" +
" List<B> b = new ArrayList<B>();\n" +
" List<A> a = moreSpecific(b);\n" +
" List<C> c = moreSpecific(b);\n" +
" }\n" +
"}\n", // =================
},
this.complianceLevel < ClassFileConstants.JDK1_8 ?
"----------\n" +
"1. ERROR in X.java (at line 6)\n" +
" result.addAll( (List<?>)list );\n" +
" ^^^^^^\n" +
"The method addAll(Collection<? extends E>) in the type List<E> is not applicable for the arguments (List<capture#1-of ?>)\n" +
"----------\n" +
"2. ERROR in X.java (at line 14)\n" +
" List<A> a = moreSpecific(b);\n" +
" ^^^^^^^^^^^^\n" +
"Bound mismatch: The generic method moreSpecific(List<D>) of type X is not applicable for the arguments (List<X.B>). The inferred type X.A is not a valid substitute for the bounded parameter <E extends D>\n" +
"----------\n" :
"----------\n" +
"1. ERROR in X.java (at line 6)\n" +
" result.addAll( (List<?>)list );\n" +
" ^^^^^^\n" +
"The method addAll(Collection<? extends E>) in the type List<E> is not applicable for the arguments (List<capture#1-of ?>)\n" +
"----------\n" +
"2. ERROR in X.java (at line 14)\n" +
" List<A> a = moreSpecific(b);\n" +
" ^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from List<X.B> to List<X.A>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=220111
public void test1293() {
this.runConformTest(
new String[] {
"X.java",
"public class X<Token, NodeType> {\n" +
" class Table {\n" +
" State<Token> s;\n" +
" Table() {\n" +
" this.s = new State<Token>();\n" +
" }\n" +
" class State<T> {\n" +
" }\n" +
" }\n" +
"}\n", // =================
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=220111 - variation
public void test1294() {
this.runConformTest(
new String[] {
"X.java",
"public class X<Token, NodeType> {\n" +
" static class Table {\n" +
" State<String> s;\n" +
" Table() {\n" +
" this.s = new State<String>();\n" +
" }\n" +
" class State<T> {\n" +
" }\n" +
" }\n" +
"}\n", // =================
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=97303 - variation
public void test1295() {
Map options = getCompilerOptions();
options.put(JavaCore.COMPILER_PB_UNCHECKED_TYPE_OPERATION, JavaCore.IGNORE);
this.runNegativeTest(
new String[] {
"X.java",
"class Deejay {\n" +
" class Counter<T> {}\n" +
"\n" +
" Deejay.Counter<Song> songCounter = new Deejay.Counter<Song>();\n" +
" Deejay.Counter<Genre> genreCounter = new Deejay.Counter<Genre>();\n" +
"\n" +
" java.util.List<Counter<?>> list1 = java.util.Arrays.asList(songCounter, genreCounter);\n" +
" java.util.List<Counter<? extends Object>> list2 = java.util.Arrays.asList(songCounter, genreCounter);\n" +
" java.util.List<Counter<?>> list3 = java.util.Arrays.<Deejay.Counter<?>>asList(songCounter, genreCounter);\n" +
" java.util.List<Counter<?>> list4 = java.util.Arrays.asList(new Deejay.Counter<?>[] {songCounter, genreCounter});\n" +
" java.util.List<Counter<? extends String>> list5 = java.util.Arrays.asList(songCounter, genreCounter);\n" +
"}\n" +
"class Genre {}\n" +
"class Song {}\n", // =================
},
"----------\n" +
"1. ERROR in X.java (at line 11)\n" +
" java.util.List<Counter<? extends String>> list5 = java.util.Arrays.asList(songCounter, genreCounter);\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from List<Deejay.Counter<? extends Object>> to List<Deejay.Counter<? extends String>>\n" +
"----------\n",
null,
true,
options);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=220111 - variation
public void test1296() {
this.runConformTest(
new String[] {
"X.java",
"public class X<Token, NodeType> {\n" +
" class Table {\n" +
" Table.State<Token> s;\n" +
"\n" +
" Table() {\n" +
" this.s = new Table.State<Token>();\n" +
" }\n" +
"\n" +
" class State<T> {\n" +
" }\n" +
" }\n" +
"}\n", // =================
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=220111 - variation
public void test1297() {
this.runConformTest(
new String[] {
"X.java",
"public class X<Token, NodeType> {\n" +
" class Table {\n" +
" X<Token, NodeType>.Table.State<Token> s;\n" +
"\n" +
" Table() {\n" +
" this.s = new X<Token, NodeType>().new Table().new State<Token>();\n" +
" }\n" +
"\n" +
" class State<T> {\n" +
" }\n" +
" }\n" +
"}\n", // =================
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=220111 - variation
public void test1298() {
this.runConformTest(
new String[] {
"X.java",
"public class X<Token, NodeType> {\n" +
" static class Table {\n" +
" X.Table.State<String> s;\n" +
"\n" +
" Table() {\n" +
" this.s = new X.Table().new State<String>();\n" +
" }\n" +
"\n" +
" class State<T> {\n" +
" }\n" +
" }\n" +
"}\n", // =================
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=220361
public void test1299() {
this.runConformTest(
new String[] {
"X.java",
"public class X<U, V> {\n" +
" static class Table {\n" +
" X.Table.State<String> s;\n" +
"\n" +
" Table() {\n" +
" this.s = new X.Table.State<String>();\n" +
" }\n" +
"\n" +
" static class State<T> {\n" +
" }\n" +
" }\n" +
"}\n", // =================
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=220361 - variation
public void test1300() {
this.runConformTest(
new String[] {
"X.java",
"public class X<U, V> {\n" +
" static class Table {\n" +
" State<String> s;\n" +
"\n" +
" Table() {\n" +
" this.s = new State<String>();\n" +
" }\n" +
"\n" +
" static class State<T> {\n" +
" }\n" +
" }\n" +
"}\n", // =================
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=220361 - variation
public void test1301() {
this.runConformTest(
new String[] {
"X.java",
"public class X<U, V> {\n" +
" static class Table {\n" +
" Table.State<String> s;\n" +
"\n" +
" Table() {\n" +
" this.s = new Table.State<String>();\n" +
" }\n" +
"\n" +
" static class State<T> {\n" +
" }\n" +
" }\n" +
"}\n", // =================
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=220361 - variation
public void test1302() {
runConformTest(
true,
new String[] {
"EMap.java",
"import java.util.ArrayList;\n" +
"import java.util.Map;\n" +
"\n" +
"public abstract class EMap<A, B> implements Map<A, B> {\n" +
" public abstract static class Unsettable<K, V> extends EMap<K, V> {\n" +
" protected class UnsettableEList<E extends Object & Entry<K, V>> extends EList<E> {\n" +
" }\n" +
" }\n" +
" protected class EList<E extends Object & Entry<A,B>> extends ArrayList<E>{\n" +
" }\n" +
"}\n", // =================
},
null,
"",
null,
JavacTestOptions.EclipseHasABug.EclipseBug159851);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=219625
public void test1303() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" interface Foo<T> {\n" +
" T getValue();\n" +
" void doSomething(T o);\n" +
" }\n" +
" public static abstract class AbstractFoo<T> implements Foo<T> {\n" +
" /**\n" +
" * If this is removed ConcreteFoo no longer compiles.\n" +
" */\n" +
" public void doSomething(final String o) {\n" +
" }\n" +
" }\n" +
" public static final class ConcreteFoo extends AbstractFoo<String> {\n" +
" public String getValue() {\n" +
" return \"I am a string\";\n" +
" }\n" +
" }\n" +
" /**\n" +
" * We lose the type infomation here so try but fail to call the doSomething(Object) method.\n" +
" */\n" +
" private static <T> void feedFoosValueIntoFoo(final Foo<T> foo) {\n" +
" foo.doSomething(foo.getValue());\n" +
" }\n" +
" private static void testTypedString() {\n" +
" final ConcreteFoo foo = new ConcreteFoo();\n" +
" foo.doSomething(foo.getValue());\n" +
" }\n" +
" private static void testGenericString() {\n" +
" feedFoosValueIntoFoo(new ConcreteFoo());\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" testTypedString();\n" +
" testGenericString();\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
"}\n", // =================
},
"SUCCESS");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=219625 - variation
public void test1304() {
this.runConformTest(
new String[] {
"X.java",
"interface Foo<T> {\n" +
" T get();\n" +
" void doSomething(T t);\n" +
"}\n" +
"abstract class XSuper implements Foo<String> {\n" +
" public void doSomething(String s) { System.out.println(s); }\n" +
"}\n" +
"public class X extends XSuper {\n" +
" public String get() { return \"SUCCESS\"; }\n" +
" static <U> void doIt(Foo<U> f) {\n" +
" f.doSomething(f.get());\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" doIt(new X());\n" +
" }\n" +
"}\n", // =================
},
"SUCCESS");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=223334
public void test1305() {
this.runConformTest(
new String[] {
"bug/ConflictManager.java",// =================
"package bug;\n" +
"import java.util.*;\n" +
"public class ConflictManager<T> {\n" +
" public List<Map.Entry<Integer, ? extends Collection<T>>> getConflictsSortedBySize() {\n" +
" return null;\n" +
" }\n" +
"}\n",
"bug/LayoutOrganizable.java",// =================
"package bug;\n" +
"public class LayoutOrganizable<T> {\n" +
" private T t;\n" +
"\n" +
" public LayoutOrganizable(T t) {\n" +
" this.t = t;\n" +
"\n" +
" }\n" +
"}\n",
"bug/LayoutOrganizer.java",
"package bug;\n" +
"import java.util.*;\n" +
"public class LayoutOrganizer<T> {\n" +
" ConflictManager<LayoutOrganizable<T>> conflictManager = new ConflictManager<LayoutOrganizable<T>>();\n" +
" private boolean optimizeEqual() {\n" +
" List<Map.Entry<Integer, ? extends Collection<LayoutOrganizable<T>>>> list;\n" +
" ListIterator<Map.Entry<Integer, ? extends Collection<LayoutOrganizable<T>>>> i;\n" +
" // create sorted list of pairs\n" +
" // (#conflicts, list of LayoutOrganizable sharing this #conflicts)\n" +
" // Here is the problem...\n" +
" list = conflictManager.getConflictsSortedBySize();\n" +
" return null == list;\n" +
" }\n" +
"}\n", // =================
},
"");
this.runConformTest(
new String[] {
"bug/LayoutOrganizer.java",
"package bug;\n" +
"import java.util.*;\n" +
"public class LayoutOrganizer<T> {\n" +
" ConflictManager<LayoutOrganizable<T>> conflictManager = new ConflictManager<LayoutOrganizable<T>>();\n" +
" private boolean optimizeEqual() {\n" +
" List<Map.Entry<Integer, ? extends Collection<LayoutOrganizable<T>>>> list;\n" +
" ListIterator<Map.Entry<Integer, ? extends Collection<LayoutOrganizable<T>>>> i;\n" +
" // create sorted list of pairs\n" +
" // (#conflicts, list of LayoutOrganizable sharing this #conflicts)\n" +
" // Here is the problem...\n" +
" list = conflictManager.getConflictsSortedBySize();\n" +
" return null == list;\n" +
" }\n" +
"}\n", // =================
},
"",
null,
false,
null);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=106744 - variation
public void test1306() {
runNegativeTest(
// test directory preparation
new String[] { /* test files */
"X.java",
"import java.lang.reflect.Constructor;\n" +
"import java.lang.annotation.Documented;\n" +
"import java.util.List;\n" +
"\n" +
"public class X {\n" +
" Constructor c = null;\n" +
" Documented d = c.getAnnotation(Documented.class);\n" +
"}\n", // =================
},
// compiler results
"----------\n" + /* expected compiler log */
"1. WARNING in X.java (at line 6)\n" +
" Constructor c = null;\n" +
" ^^^^^^^^^^^\n" +
"Constructor is a raw type. References to generic type Constructor<T> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 7)\n" +
" Documented d = c.getAnnotation(Documented.class);\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: The method getAnnotation(Class) belongs to the raw type Constructor. References to generic type Constructor<T> should be parameterized\n" +
"----------\n" +
"3. ERROR in X.java (at line 7)\n" +
" Documented d = c.getAnnotation(Documented.class);\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Annotation to Documented\n" +
"----------\n",
// javac options
JavacTestOptions.JavacHasABug.JavacBug6400189 /* javac test options */);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=106744 - variation
public void test1307() {
this.runNegativeTest(
new String[] {
"Y.java",
"import java.util.List;\n" +
"public class Y<T> {\n" +
" Zork z;\n" +
" Y<T> itself() { return this; }\n" +
" List<String> list() { return null; }\n" +
" Y<String> someY() { return null; }\n" +
"}\n" +
"class Z {\n" +
" void foo(Y y) {\n" +
" Z z = y.itself(); // Y cannot be converted to Z (itself() return type got erased)\n" +
" List<String> l = y.list(); // unchecked conversion from List to List<String>\n" +
" Y<String> ys = y.someY(); // unchecked conversion from Y to Y<String>\n" +
" }\n" +
"}\n", // =================
},
"----------\n" +
"1. ERROR in Y.java (at line 3)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n" +
"2. WARNING in Y.java (at line 9)\n" +
" void foo(Y y) {\n" +
" ^\n" +
"Y is a raw type. References to generic type Y<T> should be parameterized\n" +
"----------\n" +
"3. ERROR in Y.java (at line 10)\n" +
" Z z = y.itself(); // Y cannot be converted to Z (itself() return type got erased)\n" +
" ^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Y to Z\n" +
"----------\n" +
"4. WARNING in Y.java (at line 11)\n" +
" List<String> l = y.list(); // unchecked conversion from List to List<String>\n" +
" ^^^^^^^^\n" +
"Type safety: The expression of type List needs unchecked conversion to conform to List<String>\n" +
"----------\n" +
"5. WARNING in Y.java (at line 12)\n" +
" Y<String> ys = y.someY(); // unchecked conversion from Y to Y<String>\n" +
" ^^^^^^^^^\n" +
"Type safety: The expression of type Y needs unchecked conversion to conform to Y<String>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=106744 - variation
public void test1308() {
this.runNegativeTest(
new String[] {
"Y.java",
"@interface MyAnnotation {\n" +
"}\n" +
"class MyAccessibleObject {\n" +
" <T extends java.lang.annotation.Annotation> Object getAnnotation(Class<T> c) {\n" +
" return null;\n" +
" }\n" +
"}\n" +
"class MyConstructor<V> extends MyAccessibleObject {\n" +
" <T extends java.lang.annotation.Annotation> T getAnnotation(Class<T> c) {\n" +
" return null;\n" +
" }\n" +
"}\n" +
"class X {\n" +
" void bar1(java.lang.reflect.Constructor constr, Class<MyAnnotation> ann) {\n" +
" MyAnnotation a = constr.getAnnotation(ann); // 1\n" +
" }\n" +
" void bar2(MyConstructor constr, Class<MyAnnotation> ann) {\n" +
" MyAnnotation a = constr.getAnnotation(ann); // 2\n" +
" }\n" +
"}\n", // =================
},
"----------\n" +
"1. WARNING in Y.java (at line 9)\n" +
" <T extends java.lang.annotation.Annotation> T getAnnotation(Class<T> c) {\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"The method getAnnotation(Class<T>) of type MyConstructor<V> should be tagged with @Override since it actually overrides a superclass method\n" +
"----------\n" +
"2. WARNING in Y.java (at line 14)\n" +
" void bar1(java.lang.reflect.Constructor constr, Class<MyAnnotation> ann) {\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Constructor is a raw type. References to generic type Constructor<T> should be parameterized\n" +
"----------\n" +
"3. WARNING in Y.java (at line 15)\n" +
" MyAnnotation a = constr.getAnnotation(ann); // 1\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: The method getAnnotation(Class) belongs to the raw type Constructor. References to generic type Constructor<T> should be parameterized\n" +
"----------\n" +
"4. ERROR in Y.java (at line 15)\n" +
" MyAnnotation a = constr.getAnnotation(ann); // 1\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Annotation to MyAnnotation\n" +
"----------\n" +
"5. WARNING in Y.java (at line 17)\n" +
" void bar2(MyConstructor constr, Class<MyAnnotation> ann) {\n" +
" ^^^^^^^^^^^^^\n" +
"MyConstructor is a raw type. References to generic type MyConstructor<V> should be parameterized\n" +
"----------\n" +
"6. WARNING in Y.java (at line 18)\n" +
" MyAnnotation a = constr.getAnnotation(ann); // 2\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: The method getAnnotation(Class) belongs to the raw type MyConstructor. References to generic type MyConstructor<V> should be parameterized\n" +
"----------\n" +
"7. ERROR in Y.java (at line 18)\n" +
" MyAnnotation a = constr.getAnnotation(ann); // 2\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Annotation to MyAnnotation\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=226145
public void test1309() {
this.runNegativeTest(
new String[] {
"EclipseGenericBug.java",
"public class EclipseGenericBug {\n" +
" static class ParametricClass<T> {\n" +
" static interface NonParametricInterface {\n" +
" static interface ParametricInterface<S> {\n" +
" }\n" +
" }\n" +
" }\n" +
" \n" +
" static class ParametricInstance<T> extends ParametricClass<T> {\n" +
" NonParametricInterface.ParametricInterface<T> instance = null;\n" +
" }\n" +
"}\n", // =================
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=224855
public void test1310() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.Set;\n" +
"public class X {\n" +
" public void testCast(){\n" +
" Set<Class> classes = (Set<Class>)getClasses();\n" +
" }\n" +
" public Set<Class<? extends Object>> getClasses() {\n" +
" return null;\n" +
" }\n" +
"}\n", // =================
},
"----------\n" +
"1. WARNING in X.java (at line 4)\n" +
" Set<Class> classes = (Set<Class>)getClasses();\n" +
" ^^^^^\n" +
"Class is a raw type. References to generic type Class<T> should be parameterized\n" +
"----------\n" +
"2. ERROR in X.java (at line 4)\n" +
" Set<Class> classes = (Set<Class>)getClasses();\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Cannot cast from Set<Class<? extends Object>> to Set<Class>\n" +
"----------\n" +
"3. WARNING in X.java (at line 4)\n" +
" Set<Class> classes = (Set<Class>)getClasses();\n" +
" ^^^^^\n" +
"Class is a raw type. References to generic type Class<T> should be parameterized\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=209149
public void test1311() {
String[] test = new String[] {
"X.java",
"class X<E, D extends E> {}\n" +
"class Y<E extends D, D> {}"
};
if (this.complianceLevel < ClassFileConstants.JDK1_7) {
this.runNegativeTest(
test,
"----------\n" +
"1. ERROR in X.java (at line 2)\n" +
" class Y<E extends D, D> {}\n" +
" ^\n" +
"Illegal forward reference to type parameter D\n" +
"----------\n");
} else {
this.runConformTest(test, "");
}
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=226535
public void test1312() {
this.runConformTest(
new String[] {
"X.java",
" class Tuple3f<T extends Tuple3f<T>> {\n" +
" private float x, y, z;\n" +
" float getX() { return this.x; }\n" +
" float getY() { return this.y; }\n" +
" float getZ() { return this.z; }\n" +
" void set(float newX, float newY, float newZ) {\n" +
" this.x = newX;\n" +
" this.y = newY;\n" +
" this.z = newZ;\n" +
" }\n" +
" public T add(Tuple3f<?> t) {\n" +
" this.set(this.getX() + t.getX(), this.getY() + t.getY(), this.getZ() + t.getZ());\n" +
" @SuppressWarnings(\"unchecked\")\n" +
" T result = (T) this;\n" +
" return result;\n" +
" }\n" +
"}\n" +
"\n" +
"class Vector3f extends Tuple3f<Vector3f> {\n" +
" float magnitude () {\n" +
" float x = this.getX(), y = this.getY(), z = this.getZ();\n" +
" return (float) Math.sqrt((x*x) + (y*y) + (z*z));\n" +
" }\n" +
"}\n" +
"\n" +
"public class X {\n" +
" public static void main(String[] args) {\n" +
" Vector3f v = new Vector3f();\n" +
" float magn = v.add(v).add(v).magnitude();\n" +
" System.out.println((int)magn);\n" +
" }\n" +
"}\n", // =================
},
"0");
}
public void test1313() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"\n" +
"public class X {\n" +
" public static void main(String[] args) {\n" +
" List<?>[] l1 = new List<?>[1];\n" +
" List<?>[] l2 = new List<? extends Object>[2];\n" +
" List<? extends Object> l3 = new List<?>[3];\n" +
" }\n" +
"}\n", // =================
},
"----------\n" +
"1. ERROR in X.java (at line 6)\n" +
" List<?>[] l2 = new List<? extends Object>[2];\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Cannot create a generic array of List<? extends Object>\n" +
"----------\n" +
"2. ERROR in X.java (at line 7)\n" +
" List<? extends Object> l3 = new List<?>[3];\n" +
" ^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from List<?>[] to List<? extends Object>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=230070
public void test1314() {
this.runNegativeTest(
new String[] {
"X.java",
"class B {\n" +
"}\n" +
"class Y<K> {\n" +
" Y(K k) {\n" +
" System.out.println(k);\n" +
" }\n" +
"}\n" +
"public class X<K> {\n" +
" static final B b = new B();\n" +
" Object foo(K toKey) {\n" +
" if (false) return new Y(b);//1\n" +
" if (false) return new Y((K) b);//2\n" +
" return new Y((K) (Object) b);//3\n" +
" }\n" +
" Object bar(K toKey) {\n" +
" if (false) return new Y<K>(b);//4\n" +
" if (false) return new Y<K>((K) b);//5\n" +
" return new Y<K>((K) (Object) b);//6\n" +
" } \n" +
"}\n", // =================
},
"----------\n" +
"1. WARNING in X.java (at line 11)\n" +
" if (false) return new Y(b);//1\n" +
" ^^^^^^^^^^^^^^^^\n" +
"Dead code\n" +
"----------\n" +
"2. WARNING in X.java (at line 11)\n" +
" if (false) return new Y(b);//1\n" +
" ^^^^^^^^\n" +
"Type safety: The constructor Y(Object) belongs to the raw type Y. References to generic type Y<K> should be parameterized\n" +
"----------\n" +
"3. WARNING in X.java (at line 11)\n" +
" if (false) return new Y(b);//1\n" +
" ^\n" +
"Y is a raw type. References to generic type Y<K> should be parameterized\n" +
"----------\n" +
"4. WARNING in X.java (at line 12)\n" +
" if (false) return new Y((K) b);//2\n" +
" ^^^^^^^^^^^^^^^^^^^^\n" +
"Dead code\n" +
"----------\n" +
"5. WARNING in X.java (at line 12)\n" +
" if (false) return new Y((K) b);//2\n" +
" ^^^^^^^^^^^^\n" +
"Type safety: The constructor Y(Object) belongs to the raw type Y. References to generic type Y<K> should be parameterized\n" +
"----------\n" +
"6. WARNING in X.java (at line 12)\n" +
" if (false) return new Y((K) b);//2\n" +
" ^\n" +
"Y is a raw type. References to generic type Y<K> should be parameterized\n" +
"----------\n" +
"7. WARNING in X.java (at line 12)\n" +
" if (false) return new Y((K) b);//2\n" +
" ^^^^^\n" +
"Type safety: Unchecked cast from B to K\n" +
"----------\n" +
"8. WARNING in X.java (at line 12)\n" +
" if (false) return new Y((K) b);//2\n" +
" ^^^^^\n" +
"Unnecessary cast from B to K\n" +
"----------\n" +
"9. WARNING in X.java (at line 13)\n" +
" return new Y((K) (Object) b);//3\n" +
" ^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: The constructor Y(Object) belongs to the raw type Y. References to generic type Y<K> should be parameterized\n" +
"----------\n" +
"10. WARNING in X.java (at line 13)\n" +
" return new Y((K) (Object) b);//3\n" +
" ^\n" +
"Y is a raw type. References to generic type Y<K> should be parameterized\n" +
"----------\n" +
"11. WARNING in X.java (at line 13)\n" +
" return new Y((K) (Object) b);//3\n" +
" ^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from Object to K\n" +
"----------\n" +
"12. WARNING in X.java (at line 13)\n" +
" return new Y((K) (Object) b);//3\n" +
" ^^^^^^^^^^^^^^\n" +
"Unnecessary cast from Object to K\n" +
"----------\n" +
"13. WARNING in X.java (at line 13)\n" +
" return new Y((K) (Object) b);//3\n" +
" ^^^^^^^^^^\n" +
"Unnecessary cast from B to Object\n" +
"----------\n" +
"14. ERROR in X.java (at line 16)\n" +
" if (false) return new Y<K>(b);//4\n" +
" ^^^^^^^^^^^\n" +
"The constructor Y<K>(B) is undefined\n" +
"----------\n" +
"15. WARNING in X.java (at line 17)\n" +
" if (false) return new Y<K>((K) b);//5\n" +
" ^^^^^\n" +
"Type safety: Unchecked cast from B to K\n" +
"----------\n" +
"16. WARNING in X.java (at line 18)\n" +
" return new Y<K>((K) (Object) b);//6\n" +
" ^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from Object to K\n" +
"----------\n" +
"17. WARNING in X.java (at line 18)\n" +
" return new Y<K>((K) (Object) b);//6\n" +
" ^^^^^^^^^^\n" +
"Unnecessary cast from B to Object\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=228291
public void test1315() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"\n" +
"public class X<T> extends Vector<Collection<T>> {\n" +
" private static final long serialVersionUID = 1L;\n" +
" public Vector<T> cast(List<T> in) {\n" +
" return (Vector<T>) in;\n" +
" }\n" +
" public X<T> castSilly(Vector<Collection<T>> in) {\n" +
" return (X<T>) in;\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" Zork z;\n" +
" }\n" +
"}\n", // =================
},
"----------\n" +
"1. ERROR in X.java (at line 12)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=230466
public void test1316() {
this.runConformTest(
new String[] {
"e/AbstractClass.java", // =================
"package e;\n" +
"public abstract class AbstractClass<E> {\n" +
" protected abstract void method1();\n" +
"}\n",
"q/AbstractTest.java", // =================
"package q;\n" +
"import java.util.Map;\n" +
"import e.AbstractClass;\n" +
"public abstract class AbstractTest<T> {\n" +
" protected class InnerClass extends AbstractClass<InnerClass>{\n" +
" public void innerMethod() {\n" +
" System.out.println(\"innerMethod\");\n" +
" }\n" +
" @Override\n" +
" protected void method1() {\n" +
" System.out.println(\"method1\");\n" +
" }\n" +
" }\n" +
" protected Map<String, InnerClass> records;\n" +
" public abstract void method(); \n" +
"}\n",
"w/Test.java", // =================
"package w;\n" +
"import q.AbstractTest;\n" +
"public class Test extends AbstractTest<Test> {\n" +
" @Override\n" +
" public void method() {\n" +
" // Error here\n" +
" InnerClass inner = records.get(\"1\");\n" +
" }\n" +
"}\n", // =================
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=229928
public void test1317() {
this.runNegativeTest(
new String[] {
"X.java", // =================
"public class X {\n" +
" void foo(String name, String value) {}\n" +
" <T extends M> void foo(String name, T value) {}\n" +
"\n" +
" void foo2(String name, String value) {}\n" +
" <T extends N<T>> void foo2(String name, T value) {}\n" +
"\n" +
" <T extends N<T>> T foo3(String name, T value) {}\n" +
"}\n" +
"class M {}\n" +
"class N<T> {}\n" +
"\n" +
"class Test {\n" +
" void test() {\n" +
" new X().foo(\"HI\", null); // correctly report error\n" +
" new X().foo2(\"HI\", null); // miss ambiguous error\n" +
" \n" +
" Thread t1 = foo3(\"HI\", null);\n" +
" Thread t2 = (Thread)foo3(\"HI\", null);\n" +
" }\n" +
"}\n", // =================
},
"----------\n" +
"1. ERROR in X.java (at line 8)\n" +
" <T extends N<T>> T foo3(String name, T value) {}\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"This method must return a result of type T\n" +
"----------\n" +
"2. ERROR in X.java (at line 15)\n" +
" new X().foo(\"HI\", null); // correctly report error\n" +
" ^^^\n" +
"The method foo(String, String) is ambiguous for the type X\n" +
"----------\n" +
"3. ERROR in X.java (at line 16)\n" +
" new X().foo2(\"HI\", null); // miss ambiguous error\n" +
" ^^^^\n" +
"The method foo2(String, String) is ambiguous for the type X\n" +
"----------\n" +
"4. ERROR in X.java (at line 18)\n" +
" Thread t1 = foo3(\"HI\", null);\n" +
" ^^^^\n" +
"The method foo3(String, null) is undefined for the type Test\n" +
"----------\n" +
"5. ERROR in X.java (at line 19)\n" +
" Thread t2 = (Thread)foo3(\"HI\", null);\n" +
" ^^^^\n" +
"The method foo3(String, null) is undefined for the type Test\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=229928 - variation
public void test1318() {
this.runNegativeTest(
new String[] {
"X.java", // =================
"public class X {\n" +
" <T extends N<T>> void foo2(String name, T value) {}\n" +
"}\n" +
"class N<T> {}\n" +
"\n" +
"class Test {\n" +
" void test() {\n" +
" new X().foo2(\"HI\", null);\n" +
" new X().<N<?>>foo2(\"HI\", null);\n" +
" new X().<N<? extends N<?>>>foo2(\"HI\", null);\n" +
" }\n" +
"}\n", // =================
},
"----------\n" +
"1. ERROR in X.java (at line 9)\n" +
" new X().<N<?>>foo2(\"HI\", null);\n" +
" ^^^^\n" +
"Bound mismatch: The generic method foo2(String, T) of type X is not applicable for the arguments (String, null). The inferred type N<?> is not a valid substitute for the bounded parameter <T extends N<T>>\n" +
"----------\n" +
"2. ERROR in X.java (at line 10)\n" +
" new X().<N<? extends N<?>>>foo2(\"HI\", null);\n" +
" ^^^^\n" +
"Bound mismatch: The generic method foo2(String, T) of type X is not applicable for the arguments (String, null). The inferred type N<? extends N<?>> is not a valid substitute for the bounded parameter <T extends N<T>>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=229928 - variation
public void test1319() {
this.runConformTest(
new String[] {
"X.java", // =================
"import java.util.List;\n" +
"public class X {\n" +
" <T extends List<U>, U extends List<W>, W extends List<T>> void foo2(String name, U u, T t, W w) {}\n" +
"}\n" +
"\n" +
"class Test {\n" +
" void test() {\n" +
" new X().foo2(\"HI\", null, null, null);\n" +
" }\n" +
"}\n", // =================
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=229928 - variation
public void test1320() {
this.runConformTest(
new String[] {
"X.java", // =================
"import java.util.List;\n" +
"public class X {\n" +
" <T extends List<U>, U extends List<W>, W extends List<U>> void foo2(String name, U u, T t, W w) {}\n" +
"}\n" +
"\n" +
"class Test {\n" +
" void test() {\n" +
" new X().foo2(\"HI\", null, null, null);\n" +
" }\n" +
"}\n", // =================
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=229928 - variation
public void test1321() {
this.runConformTest(
new String[] {
"X.java", // =================
"import java.util.List;\n" +
"public class X {\n" +
" <T, U extends List<T>, W extends List<U>> void foo2(String name, U u, T t, W w) {}\n" +
"}\n" +
"\n" +
"class Test {\n" +
" void test() {\n" +
" new X().foo2(\"HI\", null, null, null);\n" +
" }\n" +
"}\n", // =================
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=231094
public void test1322() {
this.runNegativeTest(
new String[] {
"X.java", // =================
"public class X {\n" +
" public static void main(String[] args) {\n" +
" X x = new X();\n" +
"\n" +
" /** OK: Bob.class is correct. No idea about the Thingy */\n" +
" x.doStuff(Bob.class, new Thingy());\n" +
"\n" +
" /**\n" +
" * This line will fail when compiled with the Java 5 SDK: Test.java:25:\n" +
" * <T>doStuff(java.lang.Class<T>,Thingy<T>) in Test cannot be applied to\n" +
" * (java.lang.Class<Bill>,Thingy) test.doStuff(Bill.class, new\n" +
" * Thingy()); ^ Note: Test.java uses unchecked or unsafe operations.\n" +
" * Note: Recompile with -Xlint:unchecked for details. 1 error\n" +
" */\n" +
" x.doStuff(Jim.class, new Thingy());\n" +
" }\n" +
" <T extends Bob> void doStuff(Class<T> klass, Thingy<T> thingy) {\n" +
" }\n" +
"}\n" +
"class Jim {}\n" +
"class Bob {}\n" +
"class Bob2 extends Bob {}\n" +
"class Thingy<T extends Bob> {}\n", // =================
},
this.complianceLevel < ClassFileConstants.JDK1_8 ?
"----------\n" +
"1. WARNING in X.java (at line 6)\n" +
" x.doStuff(Bob.class, new Thingy());\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked invocation doStuff(Class<Bob>, Thingy) of the generic method doStuff(Class<T>, Thingy<T>) of type X\n" +
"----------\n" +
"2. WARNING in X.java (at line 6)\n" +
" x.doStuff(Bob.class, new Thingy());\n" +
" ^^^^^^^^^^^^\n" +
"Type safety: The expression of type Thingy needs unchecked conversion to conform to Thingy<Bob>\n" +
"----------\n" +
"3. WARNING in X.java (at line 6)\n" +
" x.doStuff(Bob.class, new Thingy());\n" +
" ^^^^^^\n" +
"Thingy is a raw type. References to generic type Thingy<T> should be parameterized\n" +
"----------\n" +
"4. ERROR in X.java (at line 15)\n" +
" x.doStuff(Jim.class, new Thingy());\n" +
" ^^^^^^^\n" +
"Bound mismatch: The generic method doStuff(Class<T>, Thingy<T>) of type X is not applicable for the arguments (Class<Jim>, Thingy). The inferred type Jim is not a valid substitute for the bounded parameter <T extends Bob>\n" +
"----------\n" +
"5. WARNING in X.java (at line 15)\n" +
" x.doStuff(Jim.class, new Thingy());\n" +
" ^^^^^^\n" +
"Thingy is a raw type. References to generic type Thingy<T> should be parameterized\n" +
"----------\n" :
"----------\n" +
"1. WARNING in X.java (at line 6)\n" +
" x.doStuff(Bob.class, new Thingy());\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked invocation doStuff(Class<Bob>, Thingy) of the generic method doStuff(Class<T>, Thingy<T>) of type X\n" +
"----------\n" +
"2. WARNING in X.java (at line 6)\n" +
" x.doStuff(Bob.class, new Thingy());\n" +
" ^^^^^^^^^^^^\n" +
"Type safety: The expression of type Thingy needs unchecked conversion to conform to Thingy<Bob>\n" +
"----------\n" +
"3. WARNING in X.java (at line 6)\n" +
" x.doStuff(Bob.class, new Thingy());\n" +
" ^^^^^^\n" +
"Thingy is a raw type. References to generic type Thingy<T> should be parameterized\n" +
"----------\n" +
"4. ERROR in X.java (at line 15)\n" +
" x.doStuff(Jim.class, new Thingy());\n" +
" ^^^^^^^\n" +
"The method doStuff(Class<T>, Thingy<T>) in the type X is not applicable for the arguments (Class<Jim>, Thingy)\n" +
"----------\n" +
"5. WARNING in X.java (at line 15)\n" +
" x.doStuff(Jim.class, new Thingy());\n" +
" ^^^^^^\n" +
"Thingy is a raw type. References to generic type Thingy<T> should be parameterized\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=231094 - variation
// FAIL ERRMSG and MISSING WARNINGS(?)
public void test1323() {
if (this.complianceLevel >= ClassFileConstants.JDK1_8)
return;
this.runNegativeTest(
new String[] {
"X.java", // =================
"public class X {\n" +
" public static void main(String[] args) {\n" +
" X x = new X();\n" +
" x.doStuff2(Jim.class, new Thingy());\n" +
" String s = x.doStuff2(Bob2.class, new Thingy());\n" +
" }\n" +
" <T extends Bob, U extends Bob> T doStuff2(Class<T> klass, Thingy<U> thingy) { return null; }\n" +
"}\n" +
"class Jim {}\n" +
"class Bob {}\n" +
"class Bob2 extends Bob {}\n" +
"class Thingy<T extends Bob> {}\n", // =================
},
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" x.doStuff2(Jim.class, new Thingy());\n" +
" ^^^^^^^^\n" +
"Bound mismatch: The generic method doStuff2(Class<T>, Thingy<U>) of type X is not applicable for the arguments (Class<Jim>, Thingy). The inferred type Jim is not a valid substitute for the bounded parameter <T extends Bob>\n" +
"----------\n" +
"2. WARNING in X.java (at line 4)\n" +
" x.doStuff2(Jim.class, new Thingy());\n" +
" ^^^^^^\n" +
"Thingy is a raw type. References to generic type Thingy<T> should be parameterized\n" +
"----------\n" +
"3. WARNING in X.java (at line 5)\n" +
" String s = x.doStuff2(Bob2.class, new Thingy());\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked invocation doStuff2(Class<Bob2>, Thingy) of the generic method doStuff2(Class<T>, Thingy<U>) of type X\n" +
"----------\n" +
"4. ERROR in X.java (at line 5)\n" +
" String s = x.doStuff2(Bob2.class, new Thingy());\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Bob2 to String\n" +
"----------\n" +
"5. WARNING in X.java (at line 5)\n" +
" String s = x.doStuff2(Bob2.class, new Thingy());\n" +
" ^^^^^^^^^^^^\n" +
"Type safety: The expression of type Thingy needs unchecked conversion to conform to Thingy<Bob>\n" +
"----------\n" +
"6. WARNING in X.java (at line 5)\n" +
" String s = x.doStuff2(Bob2.class, new Thingy());\n" +
" ^^^^^^\n" +
"Thingy is a raw type. References to generic type Thingy<T> should be parameterized\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=231094 - variation
public void test1324() {
this.runNegativeTest(
new String[] {
"X.java", // =================
"public class X {\n" +
" public static void main(String[] args) {\n" +
" X x = new X();\n" +
"\n" +
" /** OK: Bob.class is correct. No idea about the Thingy */\n" +
" x.doStuff(Bob.class, new Thingy());\n" +
" x.doStuff(Bob.class, new Thingy<Bob>()); // second invocation is NOT unchecked\n" +
" Zork z;\n" +
" }\n" +
" <T extends Bob> T doStuff(Class<T> klass, Thingy<T> thingy) { return null; }\n" +
"}\n" +
"class Jim {}\n" +
"class Bob {}\n" +
"class Thingy<T extends Bob> {}\n", // =================
},
"----------\n" +
"1. WARNING in X.java (at line 6)\n" +
" x.doStuff(Bob.class, new Thingy());\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked invocation doStuff(Class<Bob>, Thingy) of the generic method doStuff(Class<T>, Thingy<T>) of type X\n" +
"----------\n" +
"2. WARNING in X.java (at line 6)\n" +
" x.doStuff(Bob.class, new Thingy());\n" +
" ^^^^^^^^^^^^\n" +
"Type safety: The expression of type Thingy needs unchecked conversion to conform to Thingy<Bob>\n" +
"----------\n" +
"3. WARNING in X.java (at line 6)\n" +
" x.doStuff(Bob.class, new Thingy());\n" +
" ^^^^^^\n" +
"Thingy is a raw type. References to generic type Thingy<T> should be parameterized\n" +
"----------\n" +
"4. ERROR in X.java (at line 8)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=231094 - variation
public void test1325() {
this.runNegativeTest(
new String[] {
"X.java", // =================
"public class X<E> {\n" +
" <T,U> U foo(X<T> xt) {\n" +
" return null;\n" +
" }\n" +
" void bar(X x) {\n" +
" X<String> xs2 = foo(x);\n" +
" }\n" +
"}\n", // =================
},
(this.complianceLevel < ClassFileConstants.JDK1_8
?
"----------\n" +
"1. WARNING in X.java (at line 5)\n" +
" void bar(X x) {\n" +
" ^\n" +
"X is a raw type. References to generic type X<E> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 6)\n" +
" X<String> xs2 = foo(x);\n" +
" ^^^^^^\n" +
"Type safety: Unchecked invocation foo(X) of the generic method foo(X<T>) of type X<E>\n" +
"----------\n" +
"3. WARNING in X.java (at line 6)\n" +
" X<String> xs2 = foo(x);\n" +
" ^^^^^^\n" +
"Type safety: The expression of type X needs unchecked conversion to conform to X<String>\n" +
"----------\n" +
"4. WARNING in X.java (at line 6)\n" +
" X<String> xs2 = foo(x);\n" +
" ^\n" +
"Type safety: The expression of type X needs unchecked conversion to conform to X<Object>\n" +
"----------\n"
: // 1.8 is stricter:
"----------\n" +
"1. WARNING in X.java (at line 5)\n" +
" void bar(X x) {\n" +
" ^\n" +
"X is a raw type. References to generic type X<E> should be parameterized\n" +
"----------\n" +
"2. ERROR in X.java (at line 6)\n" +
" X<String> xs2 = foo(x);\n" +
" ^^^^^^\n" +
"Type mismatch: cannot convert from Object to X<String>\n" +
"----------\n"));
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=231094 - variation
public void test1326() {
this.runNegativeTest(
new String[] {
"X.java", // =================
"public class X<E> {\n" +
" <T extends Thread,U> X<T> foo(X<T> xt, X<U> xt2) {\n" +
" return null;\n" +
" }\n" +
" X<E> identity() {\n" +
" return this;\n" +
" }\n" +
" void bar(X x, X<String> xs) {\n" +
" X<String> xs2 = foo(xs, x).identity();\n" +
" }\n" +
"}\n", // =================
},
this.complianceLevel < ClassFileConstants.JDK1_8 ?
"----------\n" +
"1. WARNING in X.java (at line 8)\n" +
" void bar(X x, X<String> xs) {\n" +
" ^\n" +
"X is a raw type. References to generic type X<E> should be parameterized\n" +
"----------\n" +
"2. ERROR in X.java (at line 9)\n" +
" X<String> xs2 = foo(xs, x).identity();\n" +
" ^^^\n" +
"Bound mismatch: The generic method foo(X<T>, X<U>) of type X<E> is not applicable for the arguments (X<String>, X). The inferred type String is not a valid substitute for the bounded parameter <T extends Thread>\n" +
"----------\n" :
"----------\n" +
"1. WARNING in X.java (at line 8)\n" +
" void bar(X x, X<String> xs) {\n" +
" ^\n" +
"X is a raw type. References to generic type X<E> should be parameterized\n" +
"----------\n" +
"2. ERROR in X.java (at line 9)\n" +
" X<String> xs2 = foo(xs, x).identity();\n" +
" ^^^\n" +
"The method foo(X<T>, X<U>) in the type X<E> is not applicable for the arguments (X<String>, X)\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=231094 - variation
public void test1327() {
this.runNegativeTest(
new String[] {
"X.java", // =================
"public class X<E> {\n" +
" <T,U> X<Object> foo(X<T> xt, X<U> xt2) {\n" +
" return null;\n" +
" }\n" +
" X<E> identity() {\n" +
" return this;\n" +
" }\n" +
" void bar(X x, X<String> xs) {\n" +
" X<String> xs2 = foo(x, xs).identity();\n" +
" }\n" +
"}\n", // =================
},
"----------\n" +
"1. WARNING in X.java (at line 8)\n" +
" void bar(X x, X<String> xs) {\n" +
" ^\n" +
"X is a raw type. References to generic type X<E> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 9)\n" +
" X<String> xs2 = foo(x, xs).identity();\n" +
" ^^^^^^^^^^\n" +
"Type safety: Unchecked invocation foo(X, X<String>) of the generic method foo(X<T>, X<U>) of type X<E>\n" +
"----------\n" +
"3. WARNING in X.java (at line 9)\n" +
" X<String> xs2 = foo(x, xs).identity();\n" +
" ^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: The expression of type X needs unchecked conversion to conform to X<String>\n" +
"----------\n" +
"4. WARNING in X.java (at line 9)\n" +
" X<String> xs2 = foo(x, xs).identity();\n" +
" ^\n" +
"Type safety: The expression of type X needs unchecked conversion to conform to X<Object>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=231094 - variation
public void test1328() {
this.runNegativeTest(
new String[] {
"X.java", // =================
"import java.util.List;\n" +
"\n" +
"public class X {\n" +
" \n" +
" void bar(List<B> lb, List<C> lc) {\n" +
" String s = foo(lb, lc);\n" +
" }\n" +
" <U extends A> U foo(List<? extends U> u, List<? extends U> v) { return null; }\n" +
"}\n" +
"class A {}\n" +
"class B extends A {}\n" +
"class C extends A {}\n", // =================
},
"----------\n" +
"1. ERROR in X.java (at line 6)\n" +
" String s = foo(lb, lc);\n" +
" ^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from A to String\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=232174
public void test1329() {
this.runConformTest(
new String[] {
"com/b/p1/A.java", // =================
"package com.b.p1;\n" +
"public class A<K> {\n" +
" protected final class Inner {}\n" +
"}\n",
"com/b/p1/ADerivedSamePkg.java", // =================
"package com.b.p1;\n" +
"import java.util.Map;\n" +
"public class ADerivedSamePkg extends A<Object> {\n" +
" protected void someMethod() {\n" +
" Map.Entry<String, Inner> some = null;\n" +
" Inner x = some.getValue();\n" +
" }\n" +
"}\n",
"com/b/p2/ADerivedDifferentPkg.java", // =================
"package com.b.p2;\n" +
"import java.util.Map;\n" +
"import com.b.p1.A;\n" +
"public class ADerivedDifferentPkg extends A<Object> {\n" +
" protected void someMethod() {\n" +
" Map.Entry<String, Inner> some = null;\n" +
" Inner x = some.getValue(); // <-- error in this line\n" +
" }\n" +
"}\n", // =================
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=231861
public void test1330() {
this.runConformTest(
new String[] {
"p/BaseValue.java", // =================
"package p;\n" +
"interface Value<B> {}\n" +
"public class BaseValue<B> implements Value<B> {}\n",
"p/Model.java", // =================
"package p;\n" +
"public class Model {\n" +
" public java.util.Map<String, Value> map = new java.util.LinkedHashMap<String,Value>();\n" +
"}\n", // =================
},
"");
this.runConformTest(
new String[] {
"p2/Person.java", // =================
"package p2;\n" +
"public class Person extends p.Model {\n" +
" void test() {\n" +
" this.map.put(\"name\", new p.BaseValue<String>());\n" +
" }\n" +
"}\n", // =================
},
"",
null,
false,
null);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=231861 - variation
public void test1331() {
this.runConformTest(
new String[] {
"p/BaseValue.java", // =================
"package p;\n" +
"interface Value<B> {}\n" +
"public class BaseValue<B> implements Value<B> {}\n",
"p/Model.java", // =================
"package p;\n" +
"public class Model {\n" +
" public java.util.Map<String, Value> map = new java.util.LinkedHashMap<String,Value>();\n" +
"}\n",
"p2/Person.java", // =================
"package p2;\n" +
"public class Person extends p.Model {\n" +
" void test() {\n" +
" this.map.put(\"name\", new p.BaseValue<String>());\n" +
" }\n" +
"}\n", // =================
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=232487
public void test1332() throws Exception {
runConformTest(
// test directory preparation
new String[] { /* test files */
"X.java",
"import java.util.*;\n" +
"\n" +
"public class X implements Runnable {\n" +
" public void run() {/**/}\n" +
" void foo() {\n" +
" List<X> runnables = new ArrayList<X>();\n" +
" for (Runnable r : runnables) {\n" +
" r.run();\n" +
" }\n" +
" Object o = runnables.get(0);\n" +
" Runnable r = runnables.get(1);\n" +
" }\n" +
"} \n",
},
// runtime results
"" /* expected output string */);
String expectedOutput =
" // Method descriptor #8 ()V\n" +
" // Stack: 2, Locals: 4\n" +
" void foo();\n" +
" 0 new java.util.ArrayList [18]\n" +
" 3 dup\n" +
" 4 invokespecial java.util.ArrayList() [20]\n" +
" 7 astore_1 [runnables]\n" +
" 8 aload_1 [runnables]\n" +
" 9 invokeinterface java.util.List.iterator() : java.util.Iterator [21] [nargs: 1]\n" +
" 14 astore_3\n" +
" 15 goto 34\n" +
" 18 aload_3\n" +
" 19 invokeinterface java.util.Iterator.next() : java.lang.Object [27] [nargs: 1]\n" +
" 24 checkcast java.lang.Runnable [5]\n" +
" 27 astore_2 [r]\n" +
" 28 aload_2 [r]\n" +
" 29 invokeinterface java.lang.Runnable.run() : void [33] [nargs: 1]\n" +
" 34 aload_3\n" +
" 35 invokeinterface java.util.Iterator.hasNext() : boolean [35] [nargs: 1]\n" +
" 40 ifne 18\n" +
" 43 aload_1 [runnables]\n" +
" 44 iconst_0\n" +
" 45 invokeinterface java.util.List.get(int) : java.lang.Object [39] [nargs: 2]\n" +
" 50 astore_2 [o]\n" +
" 51 aload_1 [runnables]\n" +
" 52 iconst_1\n" +
" 53 invokeinterface java.util.List.get(int) : java.lang.Object [39] [nargs: 2]\n" +
" 58 checkcast java.lang.Runnable [5]\n" +
" 61 astore_3 [r]\n" +
" 62 return\n" +
" Line numbers:\n" +
" [pc: 0, line: 6]\n" +
" [pc: 8, line: 7]\n" +
" [pc: 28, line: 8]\n" +
" [pc: 34, line: 7]\n" +
" [pc: 43, line: 10]\n" +
" [pc: 51, line: 11]\n" +
" [pc: 62, line: 12]\n" +
" Local variable table:\n" +
" [pc: 0, pc: 63] local: this index: 0 type: X\n" +
" [pc: 8, pc: 63] local: runnables index: 1 type: java.util.List\n" +
" [pc: 28, pc: 34] local: r index: 2 type: java.lang.Runnable\n" +
" [pc: 51, pc: 63] local: o index: 2 type: java.lang.Object\n" +
" [pc: 62, pc: 63] local: r index: 3 type: java.lang.Runnable\n";
File f = new File(OUTPUT_DIR + File.separator + "X.class");
byte[] classFileBytes = org.eclipse.jdt.internal.compiler.util.Util.getFileByteContent(f);
ClassFileBytesDisassembler disassembler = ToolFactory.createDefaultClassFileBytesDisassembler();
String result = disassembler.disassemble(classFileBytes, "\n", ClassFileBytesDisassembler.DETAILED);
int index = result.indexOf(expectedOutput);
if (index == -1 || expectedOutput.length() == 0) {
System.out.println(Util.displayString(result, 3));
}
if (index == -1) {
assertEquals("Wrong contents", expectedOutput, result);
}
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=225737
public void test1333() {
this.runConformTest(
new String[] {
"X.java", // =================
"import java.util.ArrayList;\n" +
"import java.util.List;\n" +
"public class X extends AbstractProject<X, Object> {\n" +
" public void testBug() {\n" +
" // javac compiles the following line without complaining\n" +
" BuildStepDescriptor.filter(BuildStep.PUBLISHERS, getClass());\n" +
" }\n" +
" \n" +
" public static void main(String[] args) {\n" +
" new X().testBug();\n" +
" }\n" +
"}\n" +
"interface BuildStep {\n" +
" public static final PublisherList PUBLISHERS = new PublisherList();\n" +
"}\n" +
"\n" +
"@SuppressWarnings(\"serial\")\n" +
"class PublisherList extends ArrayList<Descriptor<Publisher>> {\n" +
"}\n" +
"abstract class Publisher implements BuildStep, Describable<Publisher> {\n" +
"}\n" +
"interface Describable<T extends Describable<T>> {\n" +
"}\n" +
"abstract class Descriptor<T extends Describable<T>> {\n" +
"}\n" +
"abstract class BuildStepDescriptor<T extends BuildStep & Describable<T>> extends Descriptor<T> {\n" +
" \n" +
" public static <T extends BuildStep & Describable<T>> List<Descriptor<T>> filter(\n" +
" List<Descriptor<T>> base,\n" +
" Class<? extends AbstractProject<?, ?>> type) {\n" +
" return null;\n" +
" }\n" +
"}\n" +
"abstract class AbstractProject<P extends AbstractProject<P, R>, R> {\n" +
"}\n", // =================
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=225737 - variation
public void test1334() {
this.runConformTest(
new String[] {
"X.java", // =================
"public class X extends AbstractProject<X, Object> {\n" +
" public void testBug() {\n" +
" filter(getClass());//1\n" +
" filter(this.getClass());//2\n" +
" filter(X.class);//3\n" +
" }\n" +
" public static void filter(Class<? extends AbstractProject<?, ?>> type) {\n" +
" }\n" +
"}\n" +
"abstract class AbstractProject<P extends AbstractProject<P, R>, R> {\n" +
"}\n", // =================
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=233800
public void test1335() {
this.runNegativeTest(
new String[] {
"X.java", // =================
"public class X<T> {\n" +
" public void doesNotCompile(SomeInterface i) {\n" +
" T t = ((SomeDerivedInterface<T>) i).getItem();\n" +
" }\n" +
" static interface SomeInterface {\n" +
" }\n" +
" static interface SomeDerivedInterface<T> extends SomeInterface {\n" +
" T getItem();\n" +
" }\n" +
" Zork z;\n" +
"}\n", // =================
},
"----------\n" +
"1. WARNING in X.java (at line 3)\n" +
" T t = ((SomeDerivedInterface<T>) i).getItem();\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from X.SomeInterface to X.SomeDerivedInterface<T>\n" +
"----------\n" +
"2. ERROR in X.java (at line 10)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=233800 - variation
public void test1336() {
this.runNegativeTest(
new String[] {
"X.java", // =================
"public class X {\n" +
" void foo(Other2<?>.Member2<?> om2) {\n" +
" Other<String>.Member m = (Other<String>.Member) om2;\n" +
" }\n" +
"}\n" +
"class Other<T> {\n" +
" class Member {}\n" +
"}\n" +
"class Other2<T> extends Other<T> {\n" +
" class Member2<U> extends Other<U>.Member {\n" +
" }\n" +
"}\n", // =================
},
"----------\n" +
"1. WARNING in X.java (at line 3)\n" +
" Other<String>.Member m = (Other<String>.Member) om2;\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from Other2<?>.Member2<capture#1-of ?> to Other<String>.Member\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=233800 - variation
public void test1337() {
this.runNegativeTest(
new String[] {
"X.java", // =================
"public class X {\n" +
" void foo(Other2.Member2<?> om2) {\n" +
" Other<String>.Member m = (Other<String>.Member) om2;\n" +
" }\n" +
"}\n" +
"class Other<T> {\n" +
" class Member {}\n" +
"}\n" +
"class Other2 extends Other<X> {\n" +
" class Member2<U> extends Other<U>.Member {\n" +
" }\n" +
"}\n", // =================
},
"----------\n" +
"1. WARNING in X.java (at line 3)\n" +
" Other<String>.Member m = (Other<String>.Member) om2;\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from Other2.Member2<capture#1-of ?> to Other<String>.Member\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=234619
public void test1338() {
this.runNegativeTest(
new String[] {
"X.java", // =================
"public class X {\n" +
" void m(Object someObject, Integer intObject) {\n" +
" Exception class1 = someObject.getClass();\n" +
" Exception class2 = intObject.getClass();\n" +
" }\n" +
"}\n", // =================
},
"----------\n" +
"1. ERROR in X.java (at line 3)\n" +
" Exception class1 = someObject.getClass();\n" +
" ^^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Class<capture#1-of ? extends Object> to Exception\n" +
"----------\n" +
"2. ERROR in X.java (at line 4)\n" +
" Exception class2 = intObject.getClass();\n" +
" ^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Class<capture#2-of ? extends Integer> to Exception\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=234619 - variation
public void test1339() {
this.runNegativeTest(
new String[] {
"java/lang/Object.java", // =================
"package java.lang;\n" +
"\n" +
"public class Object {\n" +
" void foo() {\n" +
" Exception e1 = getClass();\n" +
" Exception e2 = this.getClass();\n" +
" }\n" +
" public Class<?> getClass() { return null; }\n" +
"}\n", // =================
},
"----------\n" +
"1. ERROR in java\\lang\\Object.java (at line 5)\n" +
" Exception e1 = getClass();\n" +
" ^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Class<capture#1-of ? extends Object> to Exception\n" +
"----------\n" +
"2. ERROR in java\\lang\\Object.java (at line 6)\n" +
" Exception e2 = this.getClass();\n" +
" ^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Class<capture#2-of ? extends Object> to Exception\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=235460
public void test1340() {
this.runConformTest(
new String[] {
"Derived_A.java", // =================
"import java.util.Map;\n" +
"import java.util.HashMap;\n" +
"class Base_A {}\n" +
"public class Derived_A extends Base_A {\n" +
" public Map<Object, Base_B> getMap() {\n" +
" return new HashMap<Object, Base_B>();\n" +
" }\n" +
"}\n", // =================
"Derived_B.java", // =================
"class Base_B<T> {\n" +
"}\n" +
"public class Derived_B extends Base_B<Object> {\n" +
"}\n", // =================
},
"");
this.runConformTest(
new String[] {
"InternalCompilerError_Main.java", // =================
"public class InternalCompilerError_Main {\n" +
" public static void main(String args[]) {\n" +
" Derived_A dummy = new Derived_A();\n" +
" Derived_B propPrice = (Derived_B)dummy.getMap().get(null); \n" +
" }\n" +
"}\n", // =================
},
"",
null,
false,
null);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=235837
public void test1341() {
Map options = getCompilerOptions();
options.put(JavaCore.COMPILER_PB_UNCHECKED_TYPE_OPERATION, JavaCore.IGNORE);
this.runNegativeTest(
new String[] {
"X.java", // =================
"import java.util.*;\n" +
"public class X {\n" +
" void bar() {\n" +
" Integer i = 0;\n" +
" Double d = 0.0;\n" +
" foo((Collection<Number>) Arrays.asList(i, d));\n" +
" }\n" +
" void foo(Collection<Number> c) {}\n" +
"}\n", // =================
},
"----------\n" +
"1. ERROR in X.java (at line 6)\n" +
" foo((Collection<Number>) Arrays.asList(i, d));\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Cannot cast from List<Number&Comparable<?>> to Collection<Number>\n" +
"----------\n",
null,
true,
options);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=235921 - variation
public void test1342() throws Exception {
this.runConformTest(
new String[] {
"X.java", // =================
"import java.util.*;\n" +
"interface Adapter<T> {\n" +
" interface Setter<V> {}\n" +
" public <V> Setter<V> makeSetter();\n" +
"}\n" +
"\n" +
"public class X<T> implements Adapter<T> {\n" +
" public <V> X.Setter<V> makeSetter() {\n" +
" return new X.Setter<V>() {};\n" +
" }\n" +
" void foo() {\n" +
" List<Adapter.Setter<T>> l = new ArrayList<X.Setter<T>>();\n" +
" }\n" +
"}\n", // =================
},
"");
// check X$1
String expectedOutput =
"// Signature: Ljava/lang/Object;LAdapter$Setter<TV;>;\n" +
"class X$1 implements Adapter$Setter {\n";
File f = new File(OUTPUT_DIR + File.separator + "X$1.class");
byte[] classFileBytes = org.eclipse.jdt.internal.compiler.util.Util.getFileByteContent(f);
ClassFileBytesDisassembler disassembler = ToolFactory.createDefaultClassFileBytesDisassembler();
String result = disassembler.disassemble(classFileBytes, "\n", ClassFileBytesDisassembler.DETAILED);
int index = result.indexOf(expectedOutput);
if (index == -1 || expectedOutput.length() == 0) {
System.out.println(Util.displayString(result, 3));
}
if (index == -1) {
assertEquals("Wrong contents", expectedOutput, result);
}
// check X
expectedOutput =
" // Signature: <V:Ljava/lang/Object;>()LAdapter$Setter<TV;>;\n" +
" // Stack: 3, Locals: 1\n" +
" public Adapter.Setter makeSetter();\n";
f = new File(OUTPUT_DIR + File.separator + "X.class");
classFileBytes = org.eclipse.jdt.internal.compiler.util.Util.getFileByteContent(f);
disassembler = ToolFactory.createDefaultClassFileBytesDisassembler();
result = disassembler.disassemble(classFileBytes, "\n", ClassFileBytesDisassembler.DETAILED);
index = result.indexOf(expectedOutput);
if (index == -1 || expectedOutput.length() == 0) {
System.out.println(Util.displayString(result, 3));
}
if (index == -1) {
assertEquals("Wrong contents", expectedOutput, result);
}
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=235921 - variation
public void test1343() throws Exception {
this.runConformTest(
new String[] {
"X.java", // =================
"import java.util.*;\n" +
"class Adapter<T> {\n" +
" class Setter<V> {}\n" +
" public <V> Setter<V> makeSetter() { return null; }\n" +
"}\n" +
"\n" +
"public class X<T> extends Adapter<T> {\n" +
" public <V> X<T>.Setter<V> makeSetter() {\n" +
" return new X<T>().new Setter<V>() {};\n" +
" }\n" +
" void foo() {\n" +
" List<Adapter<T>.Setter<T>> l = new ArrayList<X<T>.Setter<T>>();\n" +
" }\n" +
"}\n", // =================
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=235921 - variation
public void test1344() throws Exception {
this.runNegativeTest(
new String[] {
"X.java", // =================
"import java.util.*;\n" +
"class Adapter<T> {\n" +
" class Setter<V> {}\n" +
" public <V> Setter<V> makeSetter() { return null; }\n" +
"}\n" +
"\n" +
"public class X<T> extends Adapter {\n" +
" public <V> X.Setter makeSetter() {\n" +
" return new X().new Setter() {};\n" +
" }\n" +
" void foo() {\n" +
" List<Adapter.Setter> l = new ArrayList<X.Setter>();\n" +
" }\n" +
"}\n", // =================
},
"----------\n" +
"1. WARNING in X.java (at line 7)\n" +
" public class X<T> extends Adapter {\n" +
" ^^^^^^^\n" +
"Adapter is a raw type. References to generic type Adapter<T> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 8)\n" +
" public <V> X.Setter makeSetter() {\n" +
" ^^^^^^^^\n" +
"Adapter.Setter is a raw type. References to generic type Adapter<T>.Setter<V> should be parameterized\n" +
"----------\n" +
"3. ERROR in X.java (at line 8)\n" +
" public <V> X.Setter makeSetter() {\n" +
" ^^^^^^^^^^^^\n" +
"Name clash: The method makeSetter() of type X<T> has the same erasure as makeSetter() of type Adapter but does not override it\n" +
"----------\n" +
"4. WARNING in X.java (at line 9)\n" +
" return new X().new Setter() {};\n" +
" ^\n" +
"X is a raw type. References to generic type X<T> should be parameterized\n" +
"----------\n" +
"5. WARNING in X.java (at line 9)\n" +
" return new X().new Setter() {};\n" +
" ^^^^^^\n" +
"Adapter.Setter is a raw type. References to generic type Adapter<T>.Setter<V> should be parameterized\n" +
"----------\n" +
"6. WARNING in X.java (at line 12)\n" +
" List<Adapter.Setter> l = new ArrayList<X.Setter>();\n" +
" ^^^^^^^^^^^^^^\n" +
"Adapter.Setter is a raw type. References to generic type Adapter<T>.Setter<V> should be parameterized\n" +
"----------\n" +
"7. WARNING in X.java (at line 12)\n" +
" List<Adapter.Setter> l = new ArrayList<X.Setter>();\n" +
" ^^^^^^^^\n" +
"Adapter.Setter is a raw type. References to generic type Adapter<T>.Setter<V> should be parameterized\n" +
"----------\n"
);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=235921 - variation
public void test1345() throws Exception {
this.runNegativeTest(
new String[] {
"X.java", // =================
"import java.util.*;\n" +
"class Adapter<T> {\n" +
" class Setter<V> {}\n" +
" public <V> Setter<V> makeSetter() { return null; }\n" +
"}\n" +
"\n" +
"public class X<T> extends Adapter {\n" +
" public <V> X.Setter makeSetter() {\n" +
" return (String) new X().new Setter() {};\n" +
" }\n" +
" void foo() {\n" +
" List<Adapter.Setter> l = new ArrayList<X.Setter>();\n" +
" }\n" +
"}\n", // =================
},
"----------\n" +
"1. WARNING in X.java (at line 7)\n" +
" public class X<T> extends Adapter {\n" +
" ^^^^^^^\n" +
"Adapter is a raw type. References to generic type Adapter<T> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 8)\n" +
" public <V> X.Setter makeSetter() {\n" +
" ^^^^^^^^\n" +
"Adapter.Setter is a raw type. References to generic type Adapter<T>.Setter<V> should be parameterized\n" +
"----------\n" +
"3. ERROR in X.java (at line 8)\n" +
" public <V> X.Setter makeSetter() {\n" +
" ^^^^^^^^^^^^\n" +
"Name clash: The method makeSetter() of type X<T> has the same erasure as makeSetter() of type Adapter but does not override it\n" +
"----------\n" +
"4. ERROR in X.java (at line 9)\n" +
" return (String) new X().new Setter() {};\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Cannot cast from new Adapter.Setter(){} to String\n" +
"----------\n" +
"5. ERROR in X.java (at line 9)\n" +
" return (String) new X().new Setter() {};\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from String to Adapter.Setter\n" +
"----------\n" +
"6. WARNING in X.java (at line 9)\n" +
" return (String) new X().new Setter() {};\n" +
" ^\n" +
"X is a raw type. References to generic type X<T> should be parameterized\n" +
"----------\n" +
"7. WARNING in X.java (at line 9)\n" +
" return (String) new X().new Setter() {};\n" +
" ^^^^^^\n" +
"Adapter.Setter is a raw type. References to generic type Adapter<T>.Setter<V> should be parameterized\n" +
"----------\n" +
"8. WARNING in X.java (at line 12)\n" +
" List<Adapter.Setter> l = new ArrayList<X.Setter>();\n" +
" ^^^^^^^^^^^^^^\n" +
"Adapter.Setter is a raw type. References to generic type Adapter<T>.Setter<V> should be parameterized\n" +
"----------\n" +
"9. WARNING in X.java (at line 12)\n" +
" List<Adapter.Setter> l = new ArrayList<X.Setter>();\n" +
" ^^^^^^^^\n" +
"Adapter.Setter is a raw type. References to generic type Adapter<T>.Setter<V> should be parameterized\n" +
"----------\n"
);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=235921 - variation
public void test1346() throws Exception {
this.runNegativeTest(
new String[] {
"X.java", // =================
"import java.util.*;\n" +
"class Adapter<T> {\n" +
" class Setter<V> {}\n" +
"}\n" +
"\n" +
"public class X<T> extends Adapter {\n" +
" public <V> Adapter.Setter makeSetter() {\n" +
" return (X.Setter) \"a\";\n" +
" }\n" +
"}\n", // =================
},
"----------\n" +
"1. WARNING in X.java (at line 6)\n" +
" public class X<T> extends Adapter {\n" +
" ^^^^^^^\n" +
"Adapter is a raw type. References to generic type Adapter<T> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 7)\n" +
" public <V> Adapter.Setter makeSetter() {\n" +
" ^^^^^^^^^^^^^^\n" +
"Adapter.Setter is a raw type. References to generic type Adapter<T>.Setter<V> should be parameterized\n" +
"----------\n" +
"3. ERROR in X.java (at line 8)\n" +
" return (X.Setter) \"a\";\n" +
" ^^^^^^^^^^^^^^\n" +
"Cannot cast from String to Adapter.Setter\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=236220
public void test1347() throws Exception {
this.runNegativeTest(
new String[] {
"DeprecatedType.java", // =================
"class Base {\n" +
" class Member<U> {\n" +
" }\n" +
"}\n" +
"\n" +
"@Deprecated\n" +
"public class DeprecatedType<T> extends Base {\n" +
"}\n",
"X.java", // =================
"public class X {\n" +
" DeprecatedType.Member m1; // DeprecatedType and Member are raw + indirect access to Member\n" +
" DeprecatedType.Member<String> m2; // DeprecatedType is raw + indirect access to Member\n" +
" Zork z;\n" +
"}\n", // =================
},
"----------\n" +
"1. WARNING in X.java (at line 2)\n" +
" DeprecatedType.Member m1; // DeprecatedType and Member are raw + indirect access to Member\n" +
" ^^^^^^^^^^^^^^\n" +
"The type DeprecatedType<T> is deprecated\n" +
"----------\n" +
"2. WARNING in X.java (at line 2)\n" +
" DeprecatedType.Member m1; // DeprecatedType and Member are raw + indirect access to Member\n" +
" ^^^^^^^^^^^^^^^^^^^^^\n" +
"Base.Member is a raw type. References to generic type Base.Member<U> should be parameterized\n" +
"----------\n" +
"3. WARNING in X.java (at line 3)\n" +
" DeprecatedType.Member<String> m2; // DeprecatedType is raw + indirect access to Member\n" +
" ^^^^^^^^^^^^^^\n" +
"The type DeprecatedType is deprecated\n" +
"----------\n" +
"4. ERROR in X.java (at line 4)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=174282 - variation
public void test1348() {
this.runNegativeTest(
new String[] {
"X.java", // =================
"abstract class AbstractOBOverlaySettings extends AbstractOverlaySettings implements RefSymbolTypeSettings {/*empty*/}\n" +
"abstract class AbstractOverlaySettings implements SymbolTypeSettings {/*empty*/}\n" +
"interface DAFDataController<V> {/*empty*/}\n" +
"interface ReferenceableData {/*empty*/}\n" +
"enum SymbolTypes {/*empty*/}\n" +
"interface SymbolTypeSettings {/*empty*/}\n" +
"interface AllOverlaySettingsController {/*empty*/}\n" +
"interface DAFDataWithRefController<V extends ReferenceableData> extends DAFDataController<V> {/*empty*/}\n" +
"class OBAreaOverlaySettings extends AbstractOBOverlaySettings {/*empty*/}\n" +
"interface RefSymbolTypeSettings extends SymbolTypeSettings, ReferenceableData {/*empty*/}\n" +
"public class X {\n" +
" public X() {\n" +
" DAFDataController<? extends SymbolTypeSettings> controller00 = null;\n" +
" DAFDataWithRefController<OBAreaOverlaySettings> controller01 = \n" +
" (DAFDataWithRefController<OBAreaOverlaySettings>) controller00;\n" +
" }\n" +
" Zork z;\n" +
"}\n", // =================
},
"----------\n" +
"1. WARNING in X.java (at line 15)\n" +
" (DAFDataWithRefController<OBAreaOverlaySettings>) controller00;\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from DAFDataController<capture#1-of ? extends SymbolTypeSettings> to DAFDataWithRefController<OBAreaOverlaySettings>\n" +
"----------\n" +
"2. ERROR in X.java (at line 17)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=236707
public void test1349() {
this.runNegativeTest(
new String[] {
"Scratch.java", // =================
"public class Scratch {\n" +
" private Y rawObject = new Y();\n" +
" public void caller() {\n" +
" method(new X<Y<Z>>(), rawObject); // compile error in javac, unchecked conversion in Eclipse\n" +
" this.<Y<Z>>method(new X<Y<Z>>(), rawObject); // unchecked warning in both\n" +
" }\n" +
" public <T> void method(X<T> x, T t) {}\n" +
"}\n" +
"class X<S> {}\n" +
"class Y<S> {}\n" +
"class Z { Zork z; }\n", // =================
},
"----------\n" +
"1. WARNING in Scratch.java (at line 2)\n" +
" private Y rawObject = new Y();\n" +
" ^\n" +
"Y is a raw type. References to generic type Y<S> should be parameterized\n" +
"----------\n" +
"2. WARNING in Scratch.java (at line 2)\n" +
" private Y rawObject = new Y();\n" +
" ^\n" +
"Y is a raw type. References to generic type Y<S> should be parameterized\n" +
"----------\n" +
"3. WARNING in Scratch.java (at line 4)\n" +
" method(new X<Y<Z>>(), rawObject); // compile error in javac, unchecked conversion in Eclipse\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked invocation method(X<Y<Z>>, Y) of the generic method method(X<T>, T) of type Scratch\n" +
"----------\n" +
"4. WARNING in Scratch.java (at line 4)\n" +
" method(new X<Y<Z>>(), rawObject); // compile error in javac, unchecked conversion in Eclipse\n" +
" ^^^^^^^^^\n" +
"Type safety: The expression of type Y needs unchecked conversion to conform to Y<Z>\n" +
"----------\n" +
"5. WARNING in Scratch.java (at line 5)\n" +
" this.<Y<Z>>method(new X<Y<Z>>(), rawObject); // unchecked warning in both\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked invocation method(X<Y<Z>>, Y) of the generic method method(X<T>, T) of type Scratch\n" +
"----------\n" +
"6. WARNING in Scratch.java (at line 5)\n" +
" this.<Y<Z>>method(new X<Y<Z>>(), rawObject); // unchecked warning in both\n" +
" ^^^^^^^^^\n" +
"Type safety: The expression of type Y needs unchecked conversion to conform to Y<Z>\n" +
"----------\n" +
"7. ERROR in Scratch.java (at line 11)\n" +
" class Z { Zork z; }\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=238484
public void test1350() {
this.runConformTest(
new String[] {
"X.java", // =================
"import java.io.IOException;\n" +
"\n" +
"interface TreeVisitor<T, U> {\n" +
" public T visit(U location);\n" +
"}\n" +
"\n" +
"interface TreeVisitable<U> {\n" +
" public <T> T visit(TreeVisitor<T, U> visitor) throws IOException;\n" +
"}\n" +
"\n" +
"abstract class Param implements TreeVisitable<Param> {\n" +
" public final Param lookforParam(final String name) {\n" +
" TreeVisitor<Param, Param> visitor = new TreeVisitor<Param, Param>() {\n" +
" public Param visit(Param location) {\n" +
" return null;\n" +
" }\n" +
" };\n" +
" return visit(visitor);\n" +
" }\n" +
"\n" +
" public abstract <T> T visit(TreeVisitor<T, Param> visitor);\n" +
"}\n" +
"\n" +
"class StructParam extends Param {\n" +
" public <T> T visit(TreeVisitor<T, Param> visitor) {\n" +
" return null;\n" +
" }\n" +
"}\n" +
"\n" +
"public class X {\n" +
" public static void main(String[] args) {\n" +
" StructParam p = new StructParam();\n" +
" p.lookforParam(\"abc\");\n" +
" System.out.println(\"done\");\n" +
" }\n" +
"}\n", // =================
},
"done");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=238484 - variation
public void test1351() {
this.runConformTest(
new String[] {
"X.java", // =================
"import java.io.IOException;\n" +
"\n" +
"interface IFoo {\n" +
" <T> T foo(T t) throws IOException;\n" +
"}\n" +
"interface JFoo {\n" +
" <T> T foo(T t) throws Exception;\n" +
"}\n" +
"abstract class Foo implements IFoo, JFoo {}\n" +
"\n" +
"public class X {\n" +
" public static void main(String[] args) {\n" +
" Foo f = createFoo();\n" +
" try {\n" +
" f.foo(null);\n" +
" } catch(IOException e) {\n" +
" }\n" +
" System.out.println(\"done\");\n" +
" }\n" +
" static Foo createFoo() {\n" +
" return new Foo() {\n" +
" public <T> T foo(T t) {\n" +
" return t;\n" +
" }\n" +
" };\n" +
" }\n" +
"}\n", // =================
},
"done");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=238484 - variation
public void test1352() {
this.runConformTest(
new String[] {
"X.java", // =================
"import java.io.IOException;\n" +
"\n" +
"interface IFoo<U> {\n" +
" <T> T foo(T t) throws IOException;\n" +
"}\n" +
"interface JFoo<U> {\n" +
" <T> T foo(T t) throws Exception;\n" +
"}\n" +
"abstract class Foo implements IFoo<String>, JFoo<String> {}\n" +
"\n" +
"public class X {\n" +
" public static void main(String[] args) {\n" +
" Foo f = createFoo();\n" +
" try {\n" +
" f.foo(null);\n" +
" } catch(IOException e) {\n" +
" }\n" +
" System.out.println(\"done\"); //dd\n" +
" }\n" +
" static Foo createFoo() {\n" +
" return new Foo() {\n" +
" public <T> T foo(T t) {\n" +
" return t;\n" +
" }\n" +
" };\n" +
" }\n" +
"}\n", // =================
},
"done");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=238484 - variation
public void test1353() {
this.runNegativeTest(
new String[] {
"X.java", // =================
"import java.io.IOException;\n" +
"\n" +
"interface IFoo<U> {\n" +
" <T> T foo(T t) throws IOException;\n" +
"}\n" +
"interface JFoo<U> {\n" +
" <T> T foo(T t);\n" +
"}\n" +
"abstract class Foo implements IFoo<String>, JFoo<String> {}\n" +
"\n" +
"public class X {\n" +
" public static void main(String[] args) {\n" +
" Foo f = createFoo();\n" +
" try {\n" +
" f.foo(null);\n" +
" } catch(IOException e) {\n" +
" }\n" +
" System.out.println(\"done\"); //dd\n" +
" }\n" +
" static Foo createFoo() {\n" +
" return new Foo() {\n" +
" public <T> T foo(T t) {\n" +
" return t;\n" +
" }\n" +
" };\n" +
" }\n" +
"}\n", // =================
},
"----------\n" +
"1. ERROR in X.java (at line 16)\n" +
" } catch(IOException e) {\n" +
" ^^^^^^^^^^^\n" +
"Unreachable catch block for IOException. This exception is never thrown from the try statement body\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=237912
public void test1354() {
this.runConformTest(
new String[] {
"X.java", // =================
"interface Operation<In> extends CheckedOperation<In, RuntimeException> {\n" +
" void op(In o);\n" +
"}\n" +
"\n" +
"interface CheckedOperation<In, E extends Exception> {\n" +
" void op(In o) throws E;\n" +
"}\n" +
"\n" +
"class ToUpper implements Operation<String> {\n" +
" public void op(String o) {\n" +
" System.out.print(\"[\"+o.toUpperCase()+\"]\");\n" +
" }\n" +
"}\n" +
"\n" +
"public class X {\n" +
" public static void main(String[] args) {\n" +
" new ToUpper().op(\"hello world 1\"); // Works\n" +
" Operation<String> t = new ToUpper();\n" +
" t.op(\"hello world 2\"); // Doesn\'t work: Exception in thread \"main\" java.lang.NoSuchMethodError: Operation.op(Ljava/lang/String;)V\n" +
" }\n" +
"}\n", // =================
},
"[HELLO WORLD 1][HELLO WORLD 2]");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=237912 - variation
public void test1355() {
this.runConformTest(
new String[] {
"X.java", // =================
"interface Operation<In> extends CheckedOperation<In, RuntimeException> {\n" +
" void op(In o) throws RuntimeException;\n" +
"}\n" +
"\n" +
"interface CheckedOperation<In, E extends Exception> {\n" +
" void op(In o) throws E;\n" +
"}\n" +
"\n" +
"class ToUpper implements Operation<String> {\n" +
" public void op(String o) {\n" +
" System.out.print(\"[\"+o.toUpperCase()+\"]\");\n" +
" }\n" +
"}\n" +
"\n" +
"public class X {\n" +
" public static void main(String[] args) {\n" +
" new ToUpper().op(\"hello world 1\"); // Works\n" +
" Operation<String> t = new ToUpper();\n" +
" t.op(\"hello world 2\"); // Doesn\'t work: Exception in thread \"main\" java.lang.NoSuchMethodError: Operation.op(Ljava/lang/String;)V\n" +
" }\n" +
"}\n", // =================
},
"[HELLO WORLD 1][HELLO WORLD 2]");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=237912 - variation
public void test1356() {
this.runConformTest(
new String[] {
"X.java", // =================
"class Activator {\n" +
"}\n" +
"interface Child<T> extends Parent<T> {\n" +
" Activator get(T value);\n" +
"}\n" +
"interface Parent<T> {\n" +
" Activator get(T value) throws RuntimeException;\n" +
"}\n" +
"public class X {\n" +
" static class Impl<T> implements Child<T> {\n" +
" public Activator get(T value) {\n" +
" System.out.println(\"done\");\n" +
" return null;\n" +
" }\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" Child<Boolean> c = new Impl<Boolean>();\n" +
" try {\n" +
" c.get(true);\n" +
" } catch (Throwable t) { \n" +
" t.printStackTrace();\n" +
" }\n" +
" }\n" +
"}\n", // =================
},
"done");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=185422
public void test1357() {
this.runNegativeTest(
new String[] {
"X.java", // =================
"import java.util.*;\n" +
"@interface Ann { Class<?> value(); }\n" +
"\n" +
"/**\n" +
" * @see Private - Private is not visible here\n" +
" */\n" +
"@Ann(X.Private.class) // Private is not visible here\n" +
"public abstract class X implements Map<X.Private,Secondary.SecondaryPrivate> {\n" +
" /**\n" +
" * @see Private - Private is visible here\n" +
" */\n" +
" private static interface Private {}\n" +
" Private field;\n" +
"}\n" +
"class Secondary {\n" +
" private static interface SecondaryPrivate {}\n" +
"}\n", // =================
},
"----------\n" +
"1. ERROR in X.java (at line 8)\n" +
" public abstract class X implements Map<X.Private,Secondary.SecondaryPrivate> {\n" +
" ^^^^^^^^^\n" +
"The type X.Private is not visible\n" +
"----------\n" +
"2. ERROR in X.java (at line 8)\n" +
" public abstract class X implements Map<X.Private,Secondary.SecondaryPrivate> {\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"The type Secondary.SecondaryPrivate is not visible\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=185422 - variation
public void test1358() {
this.runNegativeTest(
new String[] {
"X.java", // =================
"import java.util.List;\n" +
"public abstract class X implements List<X.Inter.Private> {\n" +
" /**\n" +
" * @see Inter.Private - Private is visible here\n" +
" */\n" +
" class Inter {\n" +
" private class Private {}\n" +
" }\n" +
" Inter.Private field;\n" +
"}\n", // =================
},
"----------\n" +
"1. ERROR in X.java (at line 2)\n" +
" public abstract class X implements List<X.Inter.Private> {\n" +
" ^^^^^^^^^^^^^^^\n" +
"The type X.Inter.Private is not visible\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=185422 - variation
public void test1359() {
this.runConformTest(
new String[] {
"X.java", // =================
"public class X<T> {\n" +
" class M1 <U>{\n" +
" private class Private<U> {\n" +
" }\n" +
" }\n" +
" void foo() {\n" +
" M1<String>.Private<?> p;\n" +
" }\n" +
"}\n", // =================
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=239118
public void test1360() {
this.runConformTest(
new String[] {
"X.java", // =================
"public class X {\n" +
" public static <T> T getValue(final Object bean, final String property) {\n" +
" return (T)new Object();\n" +
" }\n" +
" public void testGenerics() {\n" +
" int value = getValue(new Object(), \"\");\n" +
" }\n" +
"}\n", // =================
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=239118 - variation
public void test1361() {
this.runConformTest(
new String[] {
"X.java", // =================
"public class X {\n" +
" public static <T> T getValue(T t) {\n" +
" return t;\n" +
" }\n" +
" public void testGenerics() {\n" +
" int value = getValue(0);\n" +
" }\n" +
"}\n", // =================
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=239118 - variation
public void test1362() {
this.runConformTest(
new String[] {
"X.java", // =================
"public class X {\n" +
" public static <T> T getValue(T t1, T t2) {\n" +
" return t1;\n" +
" }\n" +
" public void testGenerics() {\n" +
" getValue(0, this);\n" +
" }\n" +
"}\n", // =================
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=239118 - variation
public void test1363() {
this.runNegativeTest(
new String[] {
"X.java", // =================
"public class X {\n" +
" public static <T> T getValue(T t1, T t2) {\n" +
" return t1;\n" +
" }\n" +
"\n" +
" public void testGenerics(Comparable<String> s) {\n" +
" int i = getValue(0, s);\n" +
" }\n" +
"}\n", // =================
},
"----------\n" +
"1. ERROR in X.java (at line 7)\n" +
" int i = getValue(0, s);\n" +
" ^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Comparable<capture#1-of ? extends Object&Comparable<?>&Serializable> to int\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=239225
public void test1364() {
this.runNegativeTest(
new String[] {
"Status.java", // =================
"import java.util.HashMap;\n" +
"import java.util.Map;\n" +
"\n" +
"public enum Status {\n" +
" GOOD((byte) 0x00), BAD((byte) 0x02);\n" +
"\n" +
" private static Map<Byte, Status> mapping;\n" +
"\n" +
" private Status(final byte newValue) {\n" +
"\n" +
" if (Status.mapping == null) {\n" +
" Status.mapping = new HashMap<Byte, Status>();\n" +
" }\n" +
"\n" +
" Status.mapping.put(newValue, this);\n" +
" }\n" +
"}\n", // =================
},
"----------\n" +
"1. ERROR in Status.java (at line 11)\n" +
" if (Status.mapping == null) {\n" +
" ^^^^^^^\n" +
"Cannot refer to the static enum field Status.mapping within an initializer\n" +
"----------\n" +
"2. ERROR in Status.java (at line 12)\n" +
" Status.mapping = new HashMap<Byte, Status>();\n" +
" ^^^^^^^\n" +
"Cannot refer to the static enum field Status.mapping within an initializer\n" +
"----------\n" +
"3. ERROR in Status.java (at line 15)\n" +
" Status.mapping.put(newValue, this);\n" +
" ^^^^^^^\n" +
"Cannot refer to the static enum field Status.mapping within an initializer\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=239203
public void test1365() {
this.runConformTest(
new String[] {
"C.java", // =================
"class A<I extends B> {\n" +
"}\n" +
"\n" +
"class B {\n" +
"}\n" +
"\n" +
"public class C {\n" +
" <U extends B, V extends A<U>> A<U> foo(Class<V> clazz) {\n" +
" A<U> ret = bar(\"bla\");\n" +
" return ret;\n" +
" }\n" +
"\n" +
" <U extends B, V extends A<U>> A<U> bar(String clazzName) {\n" +
" return null;\n" +
" }\n" +
"}\n", // =================
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=239758
public void test1366() {
this.runConformTest(
new String[] {
"X.java", // =================
"import java.io.IOException;\n" +
"\n" +
"interface IServiceAction<Response, Request, Fault extends Exception> {\n" +
" Response execute(Request parameter) throws Fault;\n" +
"}\n" +
"\n" +
"interface IServiceOperation<Response, Request, Fault extends Exception> extends IServiceAction<Response, Request, Fault> {\n" +
" Response execute(Request parameter) throws Fault;\n" +
"}\n" +
"\n" +
"public class X {\n" +
" public String execute(String parameter) throws IOException {\n" +
" return serviceOperation.execute(parameter);\n" +
" }\n" +
"\n" +
" private final IServiceOperation<String, String, IOException> serviceOperation = null;\n" +
"}\n", // =================
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=239439
public void test1367() {
this.runNegativeTest(
new String[] {
"X.java", //-----------------------------------------------------------------------
"public class X {\n" +
" private static Map<String, String> var;\n" +
" static {\n" +
" var= new HashMap<String, String>();\n" +
" }\n" +
"}\n",//-----------------------------------------------------------------------
},
"----------\n" +
"1. ERROR in X.java (at line 2)\n" +
" private static Map<String, String> var;\n" +
" ^^^\n" +
"Map cannot be resolved to a type\n" +
"----------\n" +
"2. ERROR in X.java (at line 4)\n" +
" var= new HashMap<String, String>();\n" +
" ^^^\n" +
"Map cannot be resolved to a type\n" +
"----------\n" +
"3. ERROR in X.java (at line 4)\n" +
" var= new HashMap<String, String>();\n" +
" ^^^^^^^\n" +
"HashMap cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=244164
public void test1368() {
this.runNegativeTest(
new String[] {
"X.java", //-----------------------------------------------------------------------
"import java.util.HashMap;\n" +
"import java.util.Map;\n" +
"public class X {\n" +
" private static Map<String, Zork> map = new HashMap<String, X>();\n" +
" public static X foo(String s) {\n" +
" return map.get(s);\n" +
" }\n" +
"}",//-----------------------------------------------------------------------
},
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" private static Map<String, Zork> map = new HashMap<String, X>();\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n" +
"2. ERROR in X.java (at line 6)\n" +
" return map.get(s);\n" +
" ^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=244164
public void test1369() {
this.runNegativeTest(
new String[] {
"X.java", //-----------------------------------------------------------------------
"class X {\n" +
" A<E> a; // E is undefined on purpose\n" +
" X() { a = new A<E>(); } // causes Missing code implementation\n" +
"}",
"A.java",
"class A<E> {}",//-----------------------------------------------------------------------
},
"----------\n" +
"1. ERROR in X.java (at line 2)\n" +
" A<E> a; // E is undefined on purpose\n" +
" ^\n" +
"E cannot be resolved to a type\n" +
"----------\n" +
"2. ERROR in X.java (at line 3)\n" +
" X() { a = new A<E>(); } // causes Missing code implementation\n" +
" ^\n" +
"E cannot be resolved to a type\n" +
"----------\n" +
"3. ERROR in X.java (at line 3)\n" +
" X() { a = new A<E>(); } // causes Missing code implementation\n" +
" ^\n" +
"E cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=242448
public void test1370() {
this.runConformTest(
new String[] {
"restricted/NonPublicInterface.java", //-----------------------------------------------------------------------
"package restricted;\n" +
"interface NonPublicInterface {}\n",
"restricted/NonPublicInterfaceImplementor.java", //-----------------------------------------------------------------------
"package restricted;\n" +
"public class NonPublicInterfaceImplementor<E> implements NonPublicInterface {\n" +
" public NonPublicInterfaceImplementor<E> selfCall() {\n" +
" return this;\n" +
" }\n" +
"}\n",
"restricted/UnuseableOutsideRestrictedWithECJ.java", //-----------------------------------------------------------------------
"package restricted;\n" +
"public class UnuseableOutsideRestrictedWithECJ {\n" +
" public void ecjDoesNotLikeGenericizedParameter(NonPublicInterface notVisible) { }\n" +
"}\n",
"usesrestricted/CannotCompileInEcj.java", //-----------------------------------------------------------------------
"package usesrestricted;\n" +
"import restricted.UnuseableOutsideRestrictedWithECJ;\n" +
"import restricted.NonPublicInterfaceImplementor;\n" +
"public class CannotCompileInEcj {\n" +
" public static void main(String[] args) {\n" +
" new UnuseableOutsideRestrictedWithECJ().ecjDoesNotLikeGenericizedParameter(new NonPublicInterfaceImplementor().selfCall());\n" +
" }\n" +
"}\n",//-----------------------------------------------------------------------
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=242448 - variation
public void test1371() {
this.runConformTest(
new String[] {
"restricted/NonPublicInterface.java", //-----------------------------------------------------------------------
"package restricted;\n" +
"interface NonPublicInterface {}\n",
"restricted/NonPublicInterfaceImplementor.java", //-----------------------------------------------------------------------
"package restricted;\n" +
"public class NonPublicInterfaceImplementor<E extends NonPublicInterface> implements NonPublicInterface {\n" +
" public E selfCall() {\n" +
" return null;\n" +
" }\n" +
"}\n",
"restricted/UnuseableOutsideRestrictedWithECJ.java", //-----------------------------------------------------------------------
"package restricted;\n" +
"public class UnuseableOutsideRestrictedWithECJ {\n" +
" public void ecjDoesNotLikeGenericizedParameter(NonPublicInterface notVisible) { }\n" +
"}\n",
"usesrestricted/CannotCompileInEcj.java", //-----------------------------------------------------------------------
"package usesrestricted;\n" +
"import restricted.UnuseableOutsideRestrictedWithECJ;\n" +
"import restricted.NonPublicInterfaceImplementor;\n" +
"public class CannotCompileInEcj {\n" +
" public static void main(String[] args) {\n" +
" new UnuseableOutsideRestrictedWithECJ().ecjDoesNotLikeGenericizedParameter(new NonPublicInterfaceImplementor().selfCall());\n" +
" }\n" +
"}\n",//-----------------------------------------------------------------------
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=242448 - variation
public void test1372() {
this.runConformTest(
new String[] {
"restricted/NonPublicInterface.java", //-----------------------------------------------------------------------
"package restricted;\n" +
"interface NonPublicInterface {}\n",
"restricted/NonPublicInterfaceImplementor.java", //-----------------------------------------------------------------------
"package restricted;\n" +
"public class NonPublicInterfaceImplementor<E extends NonPublicInterfaceImplementor> implements NonPublicInterface {\n" +
" public E selfCall() {\n" +
" return null;\n" +
" }\n" +
"}\n",
"restricted/UnuseableOutsideRestrictedWithECJ.java", //-----------------------------------------------------------------------
"package restricted;\n" +
"public class UnuseableOutsideRestrictedWithECJ {\n" +
" public void ecjDoesNotLikeGenericizedParameter(NonPublicInterface notVisible) { }\n" +
"}\n",
"usesrestricted/CannotCompileInEcj.java", //-----------------------------------------------------------------------
"package usesrestricted;\n" +
"import restricted.UnuseableOutsideRestrictedWithECJ;\n" +
"import restricted.NonPublicInterfaceImplementor;\n" +
"public class CannotCompileInEcj {\n" +
" public static void main(String[] args) {\n" +
" new UnuseableOutsideRestrictedWithECJ().ecjDoesNotLikeGenericizedParameter(new NonPublicInterfaceImplementor().selfCall());\n" +
" }\n" +
"}\n",//-----------------------------------------------------------------------
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=242448 - variation
public void test1373() {
this.runConformTest(
new String[] {
"restricted/NonPublicInterface.java", //-----------------------------------------------------------------------
"package restricted;\n" +
"interface NonPublicInterface {}\n",
"restricted/NonPublicInterfaceImplementor.java", //-----------------------------------------------------------------------
"package restricted;\n" +
"public class NonPublicInterfaceImplementor<E> implements NonPublicInterface {\n" +
" public NonPublicInterfaceImplementor<E> next;\n" +
"}\n",
"restricted/UnuseableOutsideRestrictedWithECJ.java", //-----------------------------------------------------------------------
"package restricted;\n" +
"public class UnuseableOutsideRestrictedWithECJ {\n" +
" public void ecjDoesNotLikeGenericizedParameter(NonPublicInterface notVisible) { }\n" +
"}\n",
"usesrestricted/CannotCompileInEcj.java", //-----------------------------------------------------------------------
"package usesrestricted;\n" +
"import restricted.UnuseableOutsideRestrictedWithECJ;\n" +
"import restricted.NonPublicInterfaceImplementor;\n" +
"public class CannotCompileInEcj {\n" +
" public static void main(String[] args) {\n" +
" new UnuseableOutsideRestrictedWithECJ().ecjDoesNotLikeGenericizedParameter(new NonPublicInterfaceImplementor().next);\n" +
" }\n" +
"}\n",//-----------------------------------------------------------------------
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=242448 - variation
public void test1374() {
this.runConformTest(
new String[] {
"restricted/NonPublicInterface.java", //-----------------------------------------------------------------------
"package restricted;\n" +
"interface NonPublicInterface {}\n",
"restricted/NonPublicInterfaceImplementor.java", //-----------------------------------------------------------------------
"package restricted;\n" +
"public class NonPublicInterfaceImplementor<E> implements NonPublicInterface {\n" +
" public NonPublicInterfaceImplementor<E> next;\n" +
"}\n",
"restricted/UnuseableOutsideRestrictedWithECJ.java", //-----------------------------------------------------------------------
"package restricted;\n" +
"public class UnuseableOutsideRestrictedWithECJ {\n" +
" public void ecjDoesNotLikeGenericizedParameter(NonPublicInterface notVisible) { }\n" +
"}\n",
"usesrestricted/CannotCompileInEcj.java", //-----------------------------------------------------------------------
"package usesrestricted;\n" +
"import restricted.UnuseableOutsideRestrictedWithECJ;\n" +
"import restricted.NonPublicInterfaceImplementor;\n" +
"public class CannotCompileInEcj {\n" +
" public static void main(String[] args) {\n" +
" NonPublicInterfaceImplementor impl = new NonPublicInterfaceImplementor();\n" +
" new UnuseableOutsideRestrictedWithECJ().ecjDoesNotLikeGenericizedParameter(impl.next);\n" +
" }\n" +
"}\n",//-----------------------------------------------------------------------
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=242448 - variation
public void test1375() {
this.runConformTest(
new String[] {
"restricted/NonPublicInterface.java", //-----------------------------------------------------------------------
"package restricted;\n" +
"interface NonPublicInterface {}\n",
"restricted/NonPublicInterfaceImplementor.java", //-----------------------------------------------------------------------
"package restricted;\n" +
"public class NonPublicInterfaceImplementor<E> implements NonPublicInterface {\n" +
" public NonPublicInterfaceImplementor<E> next;\n" +
"}\n",
"restricted/UnuseableOutsideRestrictedWithECJ.java", //-----------------------------------------------------------------------
"package restricted;\n" +
"public class UnuseableOutsideRestrictedWithECJ {\n" +
" public void ecjDoesNotLikeGenericizedParameter(NonPublicInterface notVisible) { }\n" +
"}\n",
"usesrestricted/CannotCompileInEcj.java", //-----------------------------------------------------------------------
"package usesrestricted;\n" +
"import restricted.UnuseableOutsideRestrictedWithECJ;\n" +
"import restricted.NonPublicInterfaceImplementor;\n" +
"public class CannotCompileInEcj {\n" +
" public static void main(String[] args) {\n" +
" NonPublicInterfaceImplementor impl = new NonPublicInterfaceImplementor();\n" +
" new UnuseableOutsideRestrictedWithECJ().ecjDoesNotLikeGenericizedParameter(impl.next.next);\n" +
" }\n" +
"}\n",//-----------------------------------------------------------------------
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=242448 - variation
public void test1376() {
this.runConformTest(
new String[] {
"restricted/NonPublicInterface.java", //-----------------------------------------------------------------------
"package restricted;\n" +
"interface NonPublicInterface {}\n",
"restricted/NonPublicInterfaceImplementor.java", //-----------------------------------------------------------------------
"package restricted;\n" +
"public class NonPublicInterfaceImplementor<E> implements NonPublicInterface {}\n",
"restricted/UnuseableOutsideRestrictedWithECJ.java", //-----------------------------------------------------------------------
"package restricted;\n" +
"public class UnuseableOutsideRestrictedWithECJ {\n" +
" public void ecjDoesNotLikeGenericizedParameter(NonPublicInterface notVisible) { }\n" +
"}\n",
"usesrestricted/CannotCompileInEcj.java", //-----------------------------------------------------------------------
"package usesrestricted;\n" +
"import restricted.UnuseableOutsideRestrictedWithECJ;\n" +
"import restricted.NonPublicInterfaceImplementor;\n" +
"public class CannotCompileInEcj<E> {\n" +
" public NonPublicInterfaceImplementor<E> next;\n" +
" public void foo() {\n" +
" new UnuseableOutsideRestrictedWithECJ().ecjDoesNotLikeGenericizedParameter(next);\n" +
" }\n" +
"}\n",//-----------------------------------------------------------------------
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=245453
public void test1377() {
this.runNegativeTest(
new String[] {
"X.java", //-----------------------------------------------------------------------
"import java.rmi.RemoteException;\n" +
"public class X {\n" +
" private static <T extends Exception> T foo() throws T {\n" +
" throw (T) new InterruptedException();\n" +
" }\n" +
" private static void foo2() {\n" +
" try {\n" +
" RemoteException ex = foo();\n" +
" } catch (RemoteException e) {\n" +
" e.printStackTrace();\n" +
" }\n" +
" }\n" +
" public static void main( String[] args) {\n" +
" foo2();\n" +
" Zork z;\n" +
" }\n" +
"}\n",//-----------------------------------------------------------------------
},
"----------\n" +
"1. WARNING in X.java (at line 4)\n" +
" throw (T) new InterruptedException();\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from InterruptedException to T\n" +
"----------\n" +
"2. ERROR in X.java (at line 15)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=241502
public void test1378() {
this.runConformTest(
new String[] {
"X.java", //-----------------------------------------------------------------------
"//the remote-usable interface\n" +
"class RemoteException extends Throwable {}\n" +
" \n" +
"interface RemoteStore {\n" +
" public abstract <P> P get(Class<P> c) throws RemoteException;\n" +
"}\n" +
"\n" +
"//the interface for local use\n" +
"interface Store extends RemoteStore{\n" +
" public <P> P get(Class<P> c) ;\n" +
"}\n" +
"\n" +
"//the implementation\n" +
"class StoreImpl implements Store {\n" +
" public <P> P get(Class<P> c) {\n" +
" System.out.print(\"[get]\");\n" +
" return null;\n" +
" }\n" +
"}\n" +
"\n" +
"class Persistent {\n" +
"}\n" +
"\n" +
"public class X {\n" +
"public static void main(String[] args) {\n" +
" try {\n" +
" RemoteStore t = new StoreImpl();\n" +
" t.get(Object.class); //works\n" +
" t.get(Persistent.class); //works\n" +
" } catch (RemoteException e) {\n" +
" e.printStackTrace();\n" +
" }\n" +
" Store t = new StoreImpl();\n" +
" t.get(Object.class); //works\n" +
" t.get(Persistent.class); //NoSuchMethodError\n" +
"} \n" +
"}\n",//-----------------------------------------------------------------------
},
"[get][get][get][get]");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=245453 - variation
public void test1379() {
this.runNegativeTest(
new String[] {
"X.java", //-----------------------------------------------------------------------
"import java.rmi.RemoteException;\n" +
"public class X{\n" +
" private static <T extends Exception> T foo() {\n" +
" return (T)new InterruptedException();\n" +
" }\n" +
" public static void main( String[] args) {\n" +
" RemoteException ex = foo();\n" +
" Zork z;\n" +
" }\n" +
"}\n",//-----------------------------------------------------------------------
},
"----------\n" +
"1. WARNING in X.java (at line 4)\n" +
" return (T)new InterruptedException();\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from InterruptedException to T\n" +
"----------\n" +
"2. ERROR in X.java (at line 8)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=174447
public void test1380() {
this.runConformTest(
new String[] {
"X.java", //-----------------------------------------------------------------------
"public class X {\n" +
" public static <E extends Enum<E>> void f() {\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" f();\n" +
" }\n" +
"}\n",//-----------------------------------------------------------------------
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=247953
// FIXME javac8 rejects (why?)
public void test1381() throws Exception {
this.runConformTest(
new String[] {
"X.java",
"public class X<T extends AA & p.IB> {\n" +
" T t;\n" +
" void foo() {\n" +
" this.t.baz();\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" X<CC> xcc = new X<CC>();\n" +
" xcc.t = new CC();\n" +
" xcc.foo();\n" +
" }\n" +
"}\n" +
"class AA {\n" +
" void bar() {}\n" +
"}\n" +
"class CC extends AA implements p.IB {\n" +
" public void baz() {\n" +
" System.out.println(\"done\");\n" +
" }\n" +
"}\n",
"p/IB.java", // =====================
"package p;\n" +
"interface IA {\n" + // non visible
" void baz();\n" +
"}\n" +
"public interface IB extends IA {\n" +
"}\n",
},
"done");
// check #baz() invocation declaring class is IB
String expectedOutput =
" // Method descriptor #10 ()V\n" +
" // Stack: 1, Locals: 1\n" +
" void foo();\n" +
" 0 aload_0 [this]\n" +
" 1 getfield X.t : AA [21]\n" +
" 4 checkcast p.IB [23]\n" +
" 7 invokeinterface p.IB.baz() : void [25] [nargs: 1]\n" +
" 12 return\n" +
" Line numbers:\n" +
" [pc: 0, line: 4]\n" +
" [pc: 12, line: 5]\n" +
" Local variable table:\n" +
" [pc: 0, pc: 13] local: this index: 0 type: X\n";
File f = new File(OUTPUT_DIR + File.separator + "X.class");
byte[] classFileBytes = org.eclipse.jdt.internal.compiler.util.Util.getFileByteContent(f);
ClassFileBytesDisassembler disassembler = ToolFactory.createDefaultClassFileBytesDisassembler();
String result = disassembler.disassemble(classFileBytes, "\n", ClassFileBytesDisassembler.DETAILED);
int index = result.indexOf(expectedOutput);
if (index == -1 || expectedOutput.length() == 0) {
System.out.println(Util.displayString(result, 3));
}
if (index == -1) {
assertEquals("Wrong contents", expectedOutput, result);
}
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=247953 - variation
public void test1382() throws Exception {
this.runConformTest(
new String[] {
"X.java",
"public class X<T> {\n" +
" T get() { return null; }\n" +
" \n" +
" void foo() {\n" +
" X<BB> xbb = new X<BB>();\n" +
" xbb.get().bar();\n" +
" }\n" +
"}\n" +
"class AA {\n" +
" void bar() {}\n" +
"}\n" +
"class BB extends AA {}\n"
},
"");
// check #bar() invocation declaring class is BB
String expectedOutput =
" // Method descriptor #6 ()V\n" +
" // Stack: 2, Locals: 2\n" +
" void foo();\n" +
" 0 new X [1]\n" +
" 3 dup\n" +
" 4 invokespecial X() [21]\n" +
" 7 astore_1 [xbb]\n" +
" 8 aload_1 [xbb]\n" +
" 9 invokevirtual X.get() : java.lang.Object [22]\n" +
" 12 checkcast BB [24]\n" +
" 15 invokevirtual BB.bar() : void [26]\n" +
" 18 return\n" +
" Line numbers:\n" +
" [pc: 0, line: 5]\n" +
" [pc: 8, line: 6]\n" +
" [pc: 18, line: 7]\n" +
" Local variable table:\n" +
" [pc: 0, pc: 19] local: this index: 0 type: X\n" +
" [pc: 8, pc: 19] local: xbb index: 1 type: X\n";
File f = new File(OUTPUT_DIR + File.separator + "X.class");
byte[] classFileBytes = org.eclipse.jdt.internal.compiler.util.Util.getFileByteContent(f);
ClassFileBytesDisassembler disassembler = ToolFactory.createDefaultClassFileBytesDisassembler();
String result = disassembler.disassemble(classFileBytes, "\n", ClassFileBytesDisassembler.DETAILED);
int index = result.indexOf(expectedOutput);
if (index == -1 || expectedOutput.length() == 0) {
System.out.println(Util.displayString(result, 3));
}
if (index == -1) {
assertEquals("Wrong contents", expectedOutput, result);
}
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=247953 - variation
public void test1383() throws Exception {
this.runConformTest(
new String[] {
"X.java",
"public class X<T> {\n" +
" T get() { return null; }\n" +
" \n" +
" void foo() {\n" +
" X<BB> xbb = new X<BB>();\n" +
" int j = xbb.get().bar;\n" +
" }\n" +
"}\n" +
"class AA {\n" +
" int bar;\n" +
"}\n" +
"class BB extends AA {}\n"
},
"");
// check #bar field read declaring class is BB
String expectedOutput =
" // Method descriptor #6 ()V\n" +
" // Stack: 2, Locals: 3\n" +
" void foo();\n" +
" 0 new X [1]\n" +
" 3 dup\n" +
" 4 invokespecial X() [21]\n" +
" 7 astore_1 [xbb]\n" +
" 8 aload_1 [xbb]\n" +
" 9 invokevirtual X.get() : java.lang.Object [22]\n" +
" 12 checkcast BB [24]\n" +
" 15 getfield BB.bar : int [26]\n" +
" 18 istore_2 [j]\n" +
" 19 return\n" +
" Line numbers:\n" +
" [pc: 0, line: 5]\n" +
" [pc: 8, line: 6]\n" +
" [pc: 19, line: 7]\n" +
" Local variable table:\n" +
" [pc: 0, pc: 20] local: this index: 0 type: X\n" +
" [pc: 8, pc: 20] local: xbb index: 1 type: X\n" +
" [pc: 19, pc: 20] local: j index: 2 type: int\n";
File f = new File(OUTPUT_DIR + File.separator + "X.class");
byte[] classFileBytes = org.eclipse.jdt.internal.compiler.util.Util.getFileByteContent(f);
ClassFileBytesDisassembler disassembler = ToolFactory.createDefaultClassFileBytesDisassembler();
String result = disassembler.disassemble(classFileBytes, "\n", ClassFileBytesDisassembler.DETAILED);
int index = result.indexOf(expectedOutput);
if (index == -1 || expectedOutput.length() == 0) {
System.out.println(Util.displayString(result, 3));
}
if (index == -1) {
assertEquals("Wrong contents", expectedOutput, result);
}
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=247953 - variation
public void test1384() throws Exception {
this.runConformTest(
new String[] {
"X.java",
"public class X<T> {\n" +
" T get() { return null; }\n" +
" \n" +
" void foo() {\n" +
" X<BB> xbb = new X<BB>();\n" +
" xbb.get().bar = 12;\n" +
" }\n" +
"}\n" +
"class AA {\n" +
" int bar;\n" +
"}\n" +
"class BB extends AA {}\n"
},
"");
// check #bar field store declaring class is BB
String expectedOutput =
" // Method descriptor #6 ()V\n" +
" // Stack: 2, Locals: 2\n" +
" void foo();\n" +
" 0 new X [1]\n" +
" 3 dup\n" +
" 4 invokespecial X() [21]\n" +
" 7 astore_1 [xbb]\n" +
" 8 aload_1 [xbb]\n" +
" 9 invokevirtual X.get() : java.lang.Object [22]\n" +
" 12 checkcast BB [24]\n" +
" 15 bipush 12\n" +
" 17 putfield BB.bar : int [26]\n" +
" 20 return\n" +
" Line numbers:\n" +
" [pc: 0, line: 5]\n" +
" [pc: 8, line: 6]\n" +
" [pc: 20, line: 7]\n" +
" Local variable table:\n" +
" [pc: 0, pc: 21] local: this index: 0 type: X\n" +
" [pc: 8, pc: 21] local: xbb index: 1 type: X\n";
File f = new File(OUTPUT_DIR + File.separator + "X.class");
byte[] classFileBytes = org.eclipse.jdt.internal.compiler.util.Util.getFileByteContent(f);
ClassFileBytesDisassembler disassembler = ToolFactory.createDefaultClassFileBytesDisassembler();
String result = disassembler.disassemble(classFileBytes, "\n", ClassFileBytesDisassembler.DETAILED);
int index = result.indexOf(expectedOutput);
if (index == -1 || expectedOutput.length() == 0) {
System.out.println(Util.displayString(result, 3));
}
if (index == -1) {
assertEquals("Wrong contents", expectedOutput, result);
}
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=247953 - variation
public void test1385() throws Exception {
this.runConformTest(
new String[] {
"X.java",
"public class X<T extends AA & IB> {\n" +
" T get() { return null; }\n" +
" \n" +
" void foo(X<T> xt) {\n" +
" xt.get().baz();\n" +
" }\n" +
"}\n" +
"class AA {\n" +
" void bar() {}\n" +
"}\n" +
"interface IA {\n" +
" void baz();\n" +
"}\n" +
"interface IB extends IA {\n" +
"}\n"
},
"");
// check #baz() invocation declaring class is not IA
String expectedOutput =
" // Method descriptor #21 (LX;)V\n" +
" // Signature: (LX<TT;>;)V\n" +
" // Stack: 1, Locals: 2\n" +
" void foo(X xt);\n" +
" 0 aload_1 [xt]\n" +
" 1 invokevirtual X.get() : AA [23]\n" +
" 4 checkcast IB [25]\n" +
" 7 invokeinterface IB.baz() : void [27] [nargs: 1]\n" +
" 12 return\n" +
" Line numbers:\n" +
" [pc: 0, line: 5]\n" +
" [pc: 12, line: 6]\n" +
" Local variable table:\n" +
" [pc: 0, pc: 13] local: this index: 0 type: X\n" +
" [pc: 0, pc: 13] local: xt index: 1 type: X\n";
File f = new File(OUTPUT_DIR + File.separator + "X.class");
byte[] classFileBytes = org.eclipse.jdt.internal.compiler.util.Util.getFileByteContent(f);
ClassFileBytesDisassembler disassembler = ToolFactory.createDefaultClassFileBytesDisassembler();
String result = disassembler.disassemble(classFileBytes, "\n", ClassFileBytesDisassembler.DETAILED);
int index = result.indexOf(expectedOutput);
if (index == -1 || expectedOutput.length() == 0) {
System.out.println(Util.displayString(result, 3));
}
if (index == -1) {
assertEquals("Wrong contents", expectedOutput, result);
}
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=247953 - variation
//FIXME javac8 rejects (why?)
public void test1386() throws Exception {
this.runConformTest(
new String[] {
"X.java",
"public class X<T extends AA & p.IB> {\n" +
" T get() { return null; }\n" +
" \n" +
" void foo(X<T> xt) {\n" +
" xt.get().baz();\n" +
" }\n" +
"}\n" +
"class AA {\n" +
" void bar() {}\n" +
"}\n",
"p/IB.java", // =====================
"package p;\n" +
"interface IA {\n" +
" void baz();\n" +
"}\n" +
"public interface IB extends IA {\n" +
"}\n",
},
"");
// check #baz() invocation declaring class is not IA
String expectedOutput =
" // Method descriptor #21 (LX;)V\n" +
" // Signature: (LX<TT;>;)V\n" +
" // Stack: 1, Locals: 2\n" +
" void foo(X xt);\n" +
" 0 aload_1 [xt]\n" +
" 1 invokevirtual X.get() : AA [23]\n" +
" 4 checkcast p.IB [25]\n" +
" 7 invokeinterface p.IB.baz() : void [27] [nargs: 1]\n" +
" 12 return\n" +
" Line numbers:\n" +
" [pc: 0, line: 5]\n" +
" [pc: 12, line: 6]\n" +
" Local variable table:\n" +
" [pc: 0, pc: 13] local: this index: 0 type: X\n" +
" [pc: 0, pc: 13] local: xt index: 1 type: X\n";
File f = new File(OUTPUT_DIR + File.separator + "X.class");
byte[] classFileBytes = org.eclipse.jdt.internal.compiler.util.Util.getFileByteContent(f);
ClassFileBytesDisassembler disassembler = ToolFactory.createDefaultClassFileBytesDisassembler();
String result = disassembler.disassemble(classFileBytes, "\n", ClassFileBytesDisassembler.DETAILED);
int index = result.indexOf(expectedOutput);
if (index == -1 || expectedOutput.length() == 0) {
System.out.println(Util.displayString(result, 3));
}
if (index == -1) {
assertEquals("Wrong contents", expectedOutput, result);
}
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=247953 - variation
//FIXME javac8 rejects (why?)
public void test1387() throws Exception {
this.runConformTest(
new String[] {
"X.java",
"public class X<T extends AA & p.IB> {\n" +
" T t;\n" +
" void foo() {\n" +
" System.out.println(this.t.baz);\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" X<CC> xcc = new X<CC>();\n" +
" xcc.t = new CC();\n" +
" xcc.foo();\n" +
" }\n" +
"}\n" +
"class AA {\n" +
" void bar() {}\n" +
"}\n" +
"class CC extends AA implements p.IB {\n" +
"}\n",
"p/IB.java", // =====================
"package p;\n" +
"interface IA {\n" +
" Object baz = \"done\";\n" +
"}\n" +
"public interface IB extends IA {\n" +
"}\n",
},
"done");
// check #baz declaring class is not IA
String expectedOutput =
" // Method descriptor #10 ()V\n" +
" // Stack: 2, Locals: 1\n" +
" void foo();\n" +
" 0 getstatic java.lang.System.out : java.io.PrintStream [21]\n" +
" 3 aload_0 [this]\n" +
" 4 getfield X.t : AA [27]\n" +
" 7 checkcast p.IB [29]\n" +
" 10 pop\n" +
" 11 getstatic p.IB.baz : java.lang.Object [31]\n" +
" 14 invokevirtual java.io.PrintStream.println(java.lang.Object) : void [35]\n" +
" 17 return\n" +
" Line numbers:\n" +
" [pc: 0, line: 4]\n" +
" [pc: 17, line: 5]\n" +
" Local variable table:\n" +
" [pc: 0, pc: 18] local: this index: 0 type: X\n";
File f = new File(OUTPUT_DIR + File.separator + "X.class");
byte[] classFileBytes = org.eclipse.jdt.internal.compiler.util.Util.getFileByteContent(f);
ClassFileBytesDisassembler disassembler = ToolFactory.createDefaultClassFileBytesDisassembler();
String result = disassembler.disassemble(classFileBytes, "\n", ClassFileBytesDisassembler.DETAILED);
int index = result.indexOf(expectedOutput);
if (index == -1 || expectedOutput.length() == 0) {
System.out.println(Util.displayString(result, 3));
}
if (index == -1) {
assertEquals("Wrong contents", expectedOutput, result);
}
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=247953 - variation
//FIXME javac8 rejects (why?)
public void test1388() throws Exception {
this.runConformTest(
new String[] {
"X.java",
"public class X<T extends AA & p.IB> {\n" +
" T t;\n" +
" void foo() {\n" +
" System.out.println(t.baz);\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" X<CC> xcc = new X<CC>();\n" +
" xcc.t = new CC();\n" +
" xcc.foo();\n" +
" }\n" +
"}\n" +
"class AA {\n" +
" void bar() {}\n" +
"}\n" +
"class CC extends AA implements p.IB {\n" +
"}\n",
"p/IB.java", // =====================
"package p;\n" +
"interface IA {\n" +
" Object baz = \"done\";\n" +
"}\n" +
"public interface IB extends IA {\n" +
"}\n",
},
"done");
// check #baz declaring class is not IA
String expectedOutput =
" // Method descriptor #10 ()V\n" +
" // Stack: 2, Locals: 1\n" +
" void foo();\n" +
" 0 getstatic java.lang.System.out : java.io.PrintStream [21]\n" +
" 3 aload_0 [this]\n" +
" 4 getfield X.t : AA [27]\n" +
" 7 checkcast p.IB [29]\n" +
" 10 pop\n" +
" 11 getstatic p.IB.baz : java.lang.Object [31]\n" +
" 14 invokevirtual java.io.PrintStream.println(java.lang.Object) : void [35]\n" +
" 17 return\n" +
" Line numbers:\n" +
" [pc: 0, line: 4]\n" +
" [pc: 17, line: 5]\n" +
" Local variable table:\n" +
" [pc: 0, pc: 18] local: this index: 0 type: X\n";
File f = new File(OUTPUT_DIR + File.separator + "X.class");
byte[] classFileBytes = org.eclipse.jdt.internal.compiler.util.Util.getFileByteContent(f);
ClassFileBytesDisassembler disassembler = ToolFactory.createDefaultClassFileBytesDisassembler();
String result = disassembler.disassemble(classFileBytes, "\n", ClassFileBytesDisassembler.DETAILED);
int index = result.indexOf(expectedOutput);
if (index == -1 || expectedOutput.length() == 0) {
System.out.println(Util.displayString(result, 3));
}
if (index == -1) {
assertEquals("Wrong contents", expectedOutput, result);
}
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=247953 - variation
public void test1389() throws Exception {
this.runConformTest(
new String[] {
"X.java",
"public class X extends AA implements p.IB {\n" +
" void foo() {\n" +
" System.out.println(baz);\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" new X().foo();\n" +
" }\n" +
"}\n" +
"class AA {\n" +
" void bar() {}\n" +
"}\n",
"p/IB.java", // =====================
"package p;\n" +
"interface IA {\n" +
" Object baz = \"done\";\n" +
"}\n" +
"public interface IB extends IA {\n" +
"}\n",
},
"done");
// check #baz declaring class is not IA
String expectedOutput =
" // Method descriptor #8 ()V\n" +
" // Stack: 2, Locals: 1\n" +
" void foo();\n" +
" 0 getstatic java.lang.System.out : java.io.PrintStream [17]\n" +
" 3 getstatic X.baz : java.lang.Object [23]\n" +
" 6 invokevirtual java.io.PrintStream.println(java.lang.Object) : void [27]\n" +
" 9 return\n" +
" Line numbers:\n" +
" [pc: 0, line: 3]\n" +
" [pc: 9, line: 4]\n";
File f = new File(OUTPUT_DIR + File.separator + "X.class");
byte[] classFileBytes = org.eclipse.jdt.internal.compiler.util.Util.getFileByteContent(f);
ClassFileBytesDisassembler disassembler = ToolFactory.createDefaultClassFileBytesDisassembler();
String result = disassembler.disassemble(classFileBytes, "\n", ClassFileBytesDisassembler.DETAILED);
int index = result.indexOf(expectedOutput);
if (index == -1 || expectedOutput.length() == 0) {
System.out.println(Util.displayString(result, 3));
}
if (index == -1) {
assertEquals("Wrong contents", expectedOutput, result);
}
}
public void test1390() throws Exception {
this.runNegativeTest(
new String[] {
"X.java", //=================================
"public class X<T extends SubX1<SubX2<T>>> {\n" +
" T sx1() { return null; }\n" +
" void foo(X<T> x0) {\n" +
" x0.sx1().sx2().t().getClass();\n" +
" }\n" +
"}\n" +
"interface X1<T extends SubX2<T>> {\n" +
" T sx2();\n" +
"}\n" +
"abstract class SubX1<T extends SubX2<T>> implements X1<T> {\n" +
"}\n" +
"interface X2<T> {\n" +
" T t();\n" +
"}\n" +
"abstract class SubX2<T> implements X2<T> {\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 1)\n" +
" public class X<T extends SubX1<SubX2<T>>> {\n" +
" ^^^^^\n" +
"Bound mismatch: The type SubX2<T> is not a valid substitute for the bounded parameter <T extends SubX2<T>> of the type SubX1<T>\n" +
"----------\n");
}
public void test1391() throws Exception {
this.runConformTest(
new String[] {
"X.java",
"public class X<T extends SubX2<T>> {\n" +
" T sx1() { return null; }\n" +
" void foo(X<T> x0) {\n" +
" x0.sx1().sx2().t().getClass();\n" +
" }\n" +
"}\n" +
"interface X1<T extends SubX2<T>> {\n" +
" T sx2();\n" +
"}\n" +
"abstract class SubX1<T extends SubX2<T>> implements X1<T> {\n" +
"}\n" +
"interface X2<T> {\n" +
" T t();\n" +
"}\n" +
"abstract class SubX2<T extends SubX2<T>> implements X1<T>, X2<T> {\n" +
"}\n",
},
"");
String expectedOutput =
" // Method descriptor #21 (LX;)V\n" +
" // Signature: (LX<TT;>;)V\n" +
" // Stack: 1, Locals: 2\n" +
" void foo(X x0);\n" +
" 0 aload_1 [x0]\n" +
" 1 invokevirtual X.sx1() : SubX2 [23]\n" +
" 4 invokevirtual SubX2.sx2() : SubX2 [25]\n" +
" 7 invokevirtual SubX2.t() : java.lang.Object [30]\n" +
" 10 checkcast SubX2 [26]\n" +
" 13 invokevirtual java.lang.Object.getClass() : java.lang.Class [34]\n" +
" 16 pop\n" +
" 17 return\n" +
" Line numbers:\n" +
" [pc: 0, line: 4]\n" +
" [pc: 17, line: 5]\n" +
" Local variable table:\n" +
" [pc: 0, pc: 18] local: this index: 0 type: X\n" +
" [pc: 0, pc: 18] local: x0 index: 1 type: X\n";
File f = new File(OUTPUT_DIR + File.separator + "X.class");
byte[] classFileBytes = org.eclipse.jdt.internal.compiler.util.Util.getFileByteContent(f);
ClassFileBytesDisassembler disassembler = ToolFactory.createDefaultClassFileBytesDisassembler();
String result = disassembler.disassemble(classFileBytes, "\n", ClassFileBytesDisassembler.DETAILED);
int index = result.indexOf(expectedOutput);
if (index == -1 || expectedOutput.length() == 0) {
System.out.println(Util.displayString(result, 3));
}
if (index == -1) {
assertEquals("Wrong contents", expectedOutput, result);
}
}
public void test1392() throws Exception {
this.runConformTest(
new String[] {
"X.java",
"public class X<T extends SubX2<T>> {\n" +
" T sx1;\n" +
" void foo(X<T> x0) {\n" +
" x0.sx1.sx2.t.getClass();\n" +
" }\n" +
"}\n" +
"class X1<T extends SubX2<T>> {\n" +
" T sx2;\n" +
"}\n" +
"abstract class SubX1<T extends SubX2<T>> extends X1<T> {\n" +
"}\n" +
"class X2<T extends SubX2<T>> extends X1<T>{\n" +
" T t;\n" +
"}\n" +
"abstract class SubX2<T extends SubX2<T>> extends X2<T> {\n" +
"}\n",
},
"");
String expectedOutput =
" // Method descriptor #21 (LX;)V\n" +
" // Signature: (LX<TT;>;)V\n" +
" // Stack: 1, Locals: 2\n" +
" void foo(X x0);\n" +
" 0 aload_1 [x0]\n" +
" 1 getfield X.sx1 : SubX2 [23]\n" +
" 4 getfield SubX2.sx2 : SubX2 [25]\n" +
" 7 getfield SubX2.t : SubX2 [30]\n" +
" 10 invokevirtual java.lang.Object.getClass() : java.lang.Class [33]\n" +
" 13 pop\n" +
" 14 return\n" +
" Line numbers:\n" +
" [pc: 0, line: 4]\n" +
" [pc: 14, line: 5]\n" +
" Local variable table:\n" +
" [pc: 0, pc: 15] local: this index: 0 type: X\n" +
" [pc: 0, pc: 15] local: x0 index: 1 type: X\n";
File f = new File(OUTPUT_DIR + File.separator + "X.class");
byte[] classFileBytes = org.eclipse.jdt.internal.compiler.util.Util.getFileByteContent(f);
ClassFileBytesDisassembler disassembler = ToolFactory.createDefaultClassFileBytesDisassembler();
String result = disassembler.disassemble(classFileBytes, "\n", ClassFileBytesDisassembler.DETAILED);
int index = result.indexOf(expectedOutput);
if (index == -1 || expectedOutput.length() == 0) {
System.out.println(Util.displayString(result, 3));
}
if (index == -1) {
assertEquals("Wrong contents", expectedOutput, result);
}
}
public void test1393() throws Exception {
this.runConformTest(
new String[] {
"X.java",
"public class X<T extends SubX2<T>> {\n" +
" T sx1;\n" +
" void foo(X<T> x0) {\n" +
" x0.sx1.sx2.t.getClass();\n" +
" }\n" +
"}\n" +
"interface X1<T extends X2<T>> {\n" +
"}\n" +
"abstract class SubX1<T extends X2<T>> implements X1<T> {\n" +
" T sx2;\n" +
"}\n" +
"interface X2<T extends X2<T>> extends X1<T>{\n" +
"}\n" +
"abstract class SubX2<T extends X2<T>> extends SubX1<T> implements X2<T> {\n" +
" T t;\n" +
"}\n",
},
"");
String expectedOutput =
" // Method descriptor #21 (LX;)V\n" +
" // Signature: (LX<TT;>;)V\n" +
" // Stack: 1, Locals: 2\n" +
" void foo(X x0);\n" +
" 0 aload_1 [x0]\n" +
" 1 getfield X.sx1 : SubX2 [23]\n" +
" 4 getfield SubX2.sx2 : X2 [25]\n" +
" 7 checkcast SubX2 [26]\n" +
" 10 getfield SubX2.t : X2 [31]\n" +
" 13 checkcast SubX2 [26]\n" +
" 16 invokevirtual java.lang.Object.getClass() : java.lang.Class [34]\n" +
" 19 pop\n" +
" 20 return\n" +
" Line numbers:\n" +
" [pc: 0, line: 4]\n" +
" [pc: 20, line: 5]\n" +
" Local variable table:\n" +
" [pc: 0, pc: 21] local: this index: 0 type: X\n" +
" [pc: 0, pc: 21] local: x0 index: 1 type: X\n";
File f = new File(OUTPUT_DIR + File.separator + "X.class");
byte[] classFileBytes = org.eclipse.jdt.internal.compiler.util.Util.getFileByteContent(f);
ClassFileBytesDisassembler disassembler = ToolFactory.createDefaultClassFileBytesDisassembler();
String result = disassembler.disassemble(classFileBytes, "\n", ClassFileBytesDisassembler.DETAILED);
int index = result.indexOf(expectedOutput);
if (index == -1 || expectedOutput.length() == 0) {
System.out.println(Util.displayString(result, 3));
}
if (index == -1) {
assertEquals("Wrong contents", expectedOutput, result);
}
}
public void test1394() throws Exception {
this.runConformTest(
new String[] {
"X.java",
"public class X<T extends SubX2<T>> {\n" +
" T sx1(){return null;}\n" +
" void foo(X<T> x0) {\n" +
" x0.sx1().sx2().t().getClass();\n" +
" }\n" +
"}\n" +
"interface X1<T extends X2<T>> {\n" +
"}\n" +
"abstract class SubX1<T extends X2<T>> implements X1<T> {\n" +
" T sx2(){return null;}\n" +
"}\n" +
"interface X2<T extends X2<T>> extends X1<T>{\n" +
"}\n" +
"abstract class SubX2<T extends X2<T>> extends SubX1<T> implements X2<T> {\n" +
" T t(){return null;}\n" +
"}\n",
},
"");
String expectedOutput =
" // Method descriptor #21 (LX;)V\n" +
" // Signature: (LX<TT;>;)V\n" +
" // Stack: 1, Locals: 2\n" +
" void foo(X x0);\n" +
" 0 aload_1 [x0]\n" +
" 1 invokevirtual X.sx1() : SubX2 [23]\n" +
" 4 invokevirtual SubX2.sx2() : X2 [25]\n" +
" 7 checkcast SubX2 [26]\n" +
" 10 invokevirtual SubX2.t() : X2 [31]\n" +
" 13 checkcast SubX2 [26]\n" +
" 16 invokevirtual java.lang.Object.getClass() : java.lang.Class [34]\n" +
" 19 pop\n" +
" 20 return\n" +
" Line numbers:\n" +
" [pc: 0, line: 4]\n" +
" [pc: 20, line: 5]\n" +
" Local variable table:\n" +
" [pc: 0, pc: 21] local: this index: 0 type: X\n" +
" [pc: 0, pc: 21] local: x0 index: 1 type: X\n";
File f = new File(OUTPUT_DIR + File.separator + "X.class");
byte[] classFileBytes = org.eclipse.jdt.internal.compiler.util.Util.getFileByteContent(f);
ClassFileBytesDisassembler disassembler = ToolFactory.createDefaultClassFileBytesDisassembler();
String result = disassembler.disassemble(classFileBytes, "\n", ClassFileBytesDisassembler.DETAILED);
int index = result.indexOf(expectedOutput);
if (index == -1 || expectedOutput.length() == 0) {
System.out.println(Util.displayString(result, 3));
}
if (index == -1) {
assertEquals("Wrong contents", expectedOutput, result);
}
}
public void test1395() throws Exception {
this.runConformTest(
new String[] {
"X.java",
"public class X<T extends SubX2<T>> {\n" +
" T sx1(){return null;}\n" +
" void foo() {\n" +
" this.sx1().sx2().t().getClass();\n" +
" }\n" +
"}\n" +
"interface X1<T extends X2<T>> {\n" +
"}\n" +
"abstract class SubX1<T extends X2<T>> implements X1<T> {\n" +
" T sx2(){return null;}\n" +
"}\n" +
"interface X2<T extends X2<T>> extends X1<T>{\n" +
"}\n" +
"abstract class SubX2<T extends X2<T>> extends SubX1<T> implements X2<T> {\n" +
" T t(){return null;}\n" +
"}\n",
},
"");
String expectedOutput =
" // Method descriptor #6 ()V\n" +
" // Stack: 1, Locals: 1\n" +
" void foo();\n" +
" 0 aload_0 [this]\n" +
" 1 invokevirtual X.sx1() : SubX2 [21]\n" +
" 4 invokevirtual SubX2.sx2() : X2 [23]\n" +
" 7 checkcast SubX2 [24]\n" +
" 10 invokevirtual SubX2.t() : X2 [29]\n" +
" 13 checkcast SubX2 [24]\n" +
" 16 invokevirtual java.lang.Object.getClass() : java.lang.Class [32]\n" +
" 19 pop\n" +
" 20 return\n" +
" Line numbers:\n" +
" [pc: 0, line: 4]\n" +
" [pc: 20, line: 5]\n" +
" Local variable table:\n" +
" [pc: 0, pc: 21] local: this index: 0 type: X\n" +
" Local variable type table:\n" +
" [pc: 0, pc: 21] local: this index: 0 type: X<T>\n";
File f = new File(OUTPUT_DIR + File.separator + "X.class");
byte[] classFileBytes = org.eclipse.jdt.internal.compiler.util.Util.getFileByteContent(f);
ClassFileBytesDisassembler disassembler = ToolFactory.createDefaultClassFileBytesDisassembler();
String result = disassembler.disassemble(classFileBytes, "\n", ClassFileBytesDisassembler.DETAILED);
int index = result.indexOf(expectedOutput);
if (index == -1 || expectedOutput.length() == 0) {
System.out.println(Util.displayString(result, 3));
}
if (index == -1) {
assertEquals("Wrong contents", expectedOutput, result);
}
}
public void test1396() throws Exception {
this.runConformTest(
new String[] {
"X.java",
"public class X<T extends SubX2<T>> {\n" +
" T sx1;\n" +
" void foo(T t) {\n" +
" t.sx2.t.getClass();\n" +
" }\n" +
"}\n" +
"interface X1<T extends X2<T>> {\n" +
"}\n" +
"abstract class SubX1<T extends X2<T>> implements X1<T> {\n" +
" T sx2;\n" +
"}\n" +
"interface X2<T extends X2<T>> extends X1<T>{\n" +
"}\n" +
"abstract class SubX2<T extends X2<T>> extends SubX1<T> implements X2<T> {\n" +
" T t;\n" +
"}\n",
},
"");
String expectedOutput =
" // Method descriptor #21 (LSubX2;)V\n" +
" // Signature: (TT;)V\n" +
" // Stack: 1, Locals: 2\n" +
" void foo(SubX2 t);\n" +
" 0 aload_1 [t]\n" +
" 1 getfield SubX2.sx2 : X2 [23]\n" +
" 4 checkcast SubX2 [24]\n" +
" 7 getfield SubX2.t : X2 [29]\n" +
" 10 checkcast SubX2 [24]\n" +
" 13 invokevirtual java.lang.Object.getClass() : java.lang.Class [32]\n" +
" 16 pop\n" +
" 17 return\n" +
" Line numbers:\n" +
" [pc: 0, line: 4]\n" +
" [pc: 17, line: 5]\n" +
" Local variable table:\n" +
" [pc: 0, pc: 18] local: this index: 0 type: X\n" +
" [pc: 0, pc: 18] local: t index: 1 type: SubX2\n";
File f = new File(OUTPUT_DIR + File.separator + "X.class");
byte[] classFileBytes = org.eclipse.jdt.internal.compiler.util.Util.getFileByteContent(f);
ClassFileBytesDisassembler disassembler = ToolFactory.createDefaultClassFileBytesDisassembler();
String result = disassembler.disassemble(classFileBytes, "\n", ClassFileBytesDisassembler.DETAILED);
int index = result.indexOf(expectedOutput);
if (index == -1 || expectedOutput.length() == 0) {
System.out.println(Util.displayString(result, 3));
}
if (index == -1) {
assertEquals("Wrong contents", expectedOutput, result);
}
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=172672
public void _test1397() throws Exception {
this.runConformTest(
new String[] {
"X.java",
"class A { }\n" +
"class B<T> { }\n" +
"class C<U> extends B<B<? super C<C<U>>>> {\n" +
" B<? super C<A>> foo(C<A> c) { return c; }\n" +
"}\n",
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=252120
public void test1398() throws Exception {
this.runNegativeTest(
new String[] {
"A.java",
"public class A<T> {\n" +
" void f() {\n" +
" boolean b=null instanceof A; \n" +
" Zork z;\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in A.java (at line 4)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=252120 - variation
public void test1399() throws Exception {
this.runNegativeTest(
new String[] {
"A.java",
"public class A<T> {\n" +
" void f() {\n" +
" boolean b=null instanceof A<?>; \n" +
" Zork z;\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in A.java (at line 4)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=252120 - variation
public void test1400() throws Exception {
this.runNegativeTest(
new String[] {
"A.java",
"public class A<T> {\n" +
" void f() {\n" +
" Object o = (A)this; \n" +
" Zork z;\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. WARNING in A.java (at line 3)\n" +
" Object o = (A)this; \n" +
" ^^^^^^^\n" +
"Unnecessary cast from A<T> to A\n" +
"----------\n" +
"2. WARNING in A.java (at line 3)\n" +
" Object o = (A)this; \n" +
" ^\n" +
"A is a raw type. References to generic type A<T> should be parameterized\n" +
"----------\n" +
"3. ERROR in A.java (at line 4)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=252120 - variation
public void test1401() throws Exception {
this.runNegativeTest(
new String[] {
"A.java",
"public class A<T> {\n" +
" void f() {\n" +
" Object o = (A<?>)this; \n" +
" Zork z;\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. WARNING in A.java (at line 3)\n" +
" Object o = (A<?>)this; \n" +
" ^^^^^^^^^^\n" +
"Unnecessary cast from A<T> to A<?>\n" +
"----------\n" +
"2. ERROR in A.java (at line 4)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=252120 - variation
public void test1402() throws Exception {
this.runNegativeTest(
new String[] {
"A.java",
"public class A<T> {\n" +
" void f() {\n" +
" Class<?> c = A.class; \n" +
" Zork z;\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in A.java (at line 4)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=252120 - variation
public void test1403() throws Exception {
this.runNegativeTest(
new String[] {
"A.java",
"public class A<T> {\n" +
" void f() {\n" +
" Class<?> c = A<?>.class; \n" +
" Zork z;\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in A.java (at line 3)\n" +
" Class<?> c = A<?>.class; \n" +
" ^\n" +
"Syntax error on token \"A\", . expected after this token\n" +
"----------\n" +
"2. ERROR in A.java (at line 3)\n" +
" Class<?> c = A<?>.class; \n" +
" ^^^\n" +
"Syntax error on token(s), misplaced construct(s)\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=242159
// SHOULD FAIL AT 1.8 (RET): Type mismatch: cannot convert from X<Comparable<Comparable<T>>> to X
public void test1404() throws Exception {
this.runConformTest(
new String[] {
"X.java",
"public class X<A> {\n" +
" A get() { return null; }\n" +
" <B extends Comparable<B>> X<B> bar() {\n" +
" return null;\n" +
" }\n" +
" void foo() {\n" +
" bar(); // 0 rejected\n" +
" X raw = bar(); // 1 accepted\n" +
" X<?> wild = bar(); // 2 rejected\n" +
" }\n" +
"}\n",
});
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=240807
public void test1405() throws Exception {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"public class X {\n" +
" X(List rawList, List<?> unboundList) {\n" +
" Throwable t0 = (Throwable) Collections.emptyList();\n" +
" Throwable t1 = (Throwable) rawList;\n" +
" Throwable t2 = (Throwable) unboundList;\n" +
" Map m0 = (Map) Collections.emptyList();\n" +
" Map m1 = (Map) rawList;\n" +
" Map m2 = (Map) unboundList;\n" +
" Zork z;\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 3)\n" +
" X(List rawList, List<?> unboundList) {\n" +
" ^^^^\n" +
"List is a raw type. References to generic type List<E> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 7)\n" +
" Map m0 = (Map) Collections.emptyList();\n" +
" ^^^\n" +
"Map is a raw type. References to generic type Map<K,V> should be parameterized\n" +
"----------\n" +
"3. WARNING in X.java (at line 7)\n" +
" Map m0 = (Map) Collections.emptyList();\n" +
" ^^^\n" +
"Map is a raw type. References to generic type Map<K,V> should be parameterized\n" +
"----------\n" +
"4. WARNING in X.java (at line 8)\n" +
" Map m1 = (Map) rawList;\n" +
" ^^^\n" +
"Map is a raw type. References to generic type Map<K,V> should be parameterized\n" +
"----------\n" +
"5. WARNING in X.java (at line 8)\n" +
" Map m1 = (Map) rawList;\n" +
" ^^^\n" +
"Map is a raw type. References to generic type Map<K,V> should be parameterized\n" +
"----------\n" +
"6. WARNING in X.java (at line 9)\n" +
" Map m2 = (Map) unboundList;\n" +
" ^^^\n" +
"Map is a raw type. References to generic type Map<K,V> should be parameterized\n" +
"----------\n" +
"7. WARNING in X.java (at line 9)\n" +
" Map m2 = (Map) unboundList;\n" +
" ^^^\n" +
"Map is a raw type. References to generic type Map<K,V> should be parameterized\n" +
"----------\n" +
"8. ERROR in X.java (at line 10)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
// FIXME javac8 rejects
public void test1406() {
this.runNegativeTest(
new String[] {
"GenericTest.java", //-----------------------------------------------------------------------
"import java.util.*;\n" +
"\n" +
"public class GenericTest {\n" +
" public static void test() {\n" +
" Set testList = GenericTest.method1(new Class[] { ArrayList.class });\n" +
" }\n" +
" \n" +
" public static <I> I method1(Class<List>[] params) {\n" +
" return null;\n" +
" }\n" +
"}\n",//-----------------------------------------------------------------------
},
"----------\n" +
"1. WARNING in GenericTest.java (at line 5)\n" +
" Set testList = GenericTest.method1(new Class[] { ArrayList.class });\n" +
" ^^^\n" +
"Set is a raw type. References to generic type Set<E> should be parameterized\n" +
"----------\n" +
"2. WARNING in GenericTest.java (at line 5)\n" +
" Set testList = GenericTest.method1(new Class[] { ArrayList.class });\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked invocation method1(Class[]) of the generic method method1(Class<List>[]) of type GenericTest\n" +
"----------\n" +
"3. WARNING in GenericTest.java (at line 5)\n" +
" Set testList = GenericTest.method1(new Class[] { ArrayList.class });\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: The expression of type Class[] needs unchecked conversion to conform to Class<List>[]\n" +
"----------\n" +
"4. WARNING in GenericTest.java (at line 8)\n" +
" public static <I> I method1(Class<List>[] params) {\n" +
" ^^^^\n" +
"List is a raw type. References to generic type List<E> should be parameterized\n" +
"----------\n");
}
// FIXME javac8 rejects
public void test1407() {
this.runNegativeTest(
new String[] {
"Foo.java", //-----------------------------------------------------------------------
"public class Foo {\n" +
" public static <I> I m1(Class<Foo> c) { return null; }\n" +
" void bar() {\n" +
" Foo l1 = m1((Class)Foo.class);\n" +
" }\n" +
"}\n",//-----------------------------------------------------------------------
},
"----------\n" +
"1. WARNING in Foo.java (at line 4)\n" +
" Foo l1 = m1((Class)Foo.class);\n" +
" ^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked invocation m1(Class) of the generic method m1(Class<Foo>) of type Foo\n" +
"----------\n" +
"2. WARNING in Foo.java (at line 4)\n" +
" Foo l1 = m1((Class)Foo.class);\n" +
" ^^^^^^^^^^^^^^^^\n" +
"Type safety: The expression of type Class needs unchecked conversion to conform to Class<Foo>\n" +
"----------\n" +
"3. WARNING in Foo.java (at line 4)\n" +
" Foo l1 = m1((Class)Foo.class);\n" +
" ^^^^^\n" +
"Class is a raw type. References to generic type Class<T> should be parameterized\n" +
"----------\n");
}
public void test1408() {
this.runNegativeTest(
new String[] {
"X.java", //-----------------------------------------------------------------------
"import java.util.*;\n" +
"public class X {\n" +
" void foo(Collection<? extends X> i) {\n" +
" Zork z = (List<? extends X>) i;\n" +
" }\n" +
" void bar(List<? extends X> i) {\n" +
" Zork z = (ArrayList<? extends X>) i;\n" +
" } \n" +
"}\n",//-----------------------------------------------------------------------
},
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" Zork z = (List<? extends X>) i;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n" +
"2. ERROR in X.java (at line 7)\n" +
" Zork z = (ArrayList<? extends X>) i;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
public void test1409() {
this.runNegativeTest(
new String[] {
"X.java", //-----------------------------------------------------------------------
"import java.util.*;\n" +
"public class X {\n" +
" void foo(List<X> lx, List<?> lw) {\n" +
" LinkedList<Object> lo = (LinkedList<Object>) lx;\n" +
" LinkedList<String> ls = (LinkedList<String>) lw;\n" +
" }\n" +
" void bar(List<X> lx, List<Integer> li) {\n" +
" LinkedList<? extends Object> lo = (LinkedList<? extends Object>) lx;\n" +
" LinkedList<? extends Number> ln = (LinkedList<? extends Number>) li; \n" +
" }\n" +
"}\n",//-----------------------------------------------------------------------
},
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" LinkedList<Object> lo = (LinkedList<Object>) lx;\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Cannot cast from List<X> to LinkedList<Object>\n" +
"----------\n" +
"2. WARNING in X.java (at line 5)\n" +
" LinkedList<String> ls = (LinkedList<String>) lw;\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from List<capture#1-of ?> to LinkedList<String>\n" +
"----------\n");
}
public void test1410() {
this.runNegativeTest(
new String[] {
"X.java", //-----------------------------------------------------------------------
"interface I<T> {}\n" +
"class Y<T> implements I<T> {}\n" +
"public class X {\n" +
" I<Short>[] x = null;\n" +
" Y<? extends Number>[] y1 = (Y<? extends Number>[]) x;\n" +
" Y<? extends Number> y2 = (Y<? extends Number>) x[0];\n" +
" Y<? extends X>[] y3 = (Y<? extends X>[]) x;\n" +
"}\n",//-----------------------------------------------------------------------
},
"----------\n" +
"1. ERROR in X.java (at line 7)\n" +
" Y<? extends X>[] y3 = (Y<? extends X>[]) x;\n" +
" ^^^^^^^^^^^^^^^^^^^^\n" +
"Cannot cast from I<Short>[] to Y<? extends X>[]\n" +
"----------\n");
}
public void test1411() {
this.runNegativeTest(
new String[] {
"X.java", //-----------------------------------------------------------------------
"public class X<T> {\n" +
" static class Child extends X<Object> { }\n" +
" static <U> X<U> create() {\n" +
" Child child = new Child();\n" +
" child.set(new Object());\n" +
" return (X<U>) child;\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" X<Number> c = create();\n" +
" Number n = c.get();\n" +
" }\n" +
" T t;\n" +
" void set(T t) {\n" +
" this.t = t;\n" +
" }\n" +
" T get() {\n" +
" return t;\n" +
" }\n" +
" static X<Object> willWarn = new X<Object>();\n" +
" static <U> X<U> raisesTheWarning() {\n" +
" return (X<U>) willWarn;\n" +
" }\n" +
" Zork z;\n" +
"}\n",//-----------------------------------------------------------------------
},
"----------\n" +
"1. WARNING in X.java (at line 6)\n" +
" return (X<U>) child;\n" +
" ^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from X.Child to X<U>\n" +
"----------\n" +
"2. WARNING in X.java (at line 21)\n" +
" return (X<U>) willWarn;\n" +
" ^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from X<Object> to X<U>\n" +
"----------\n" +
"3. ERROR in X.java (at line 23)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
public void test1412() {
this.runNegativeTest(
new String[] {
"X.java", //-----------------------------------------------------------------------
"import java.util.List;\n" +
"class A<T> {\n" +
" List<String> foo() {\n" +
" return null;\n" +
" }\n" +
"}\n" +
"class B<U> {\n" +
" A a1 = new A<U>();\n" +
" A<?> a2 = new A<U>();\n" +
"}\n" +
"class X {\n" +
" void bar() {\n" +
" B<X> bx = new B<X>();\n" +
" List<String> s1 = bx.a1.foo();\n" +
" List<String> s2 = bx.a2.foo();\n" +
" Zork z;\n" +
" }\n" +
"}\n",//-----------------------------------------------------------------------
},
"----------\n" +
"1. WARNING in X.java (at line 8)\n" +
" A a1 = new A<U>();\n" +
" ^\n" +
"A is a raw type. References to generic type A<T> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 14)\n" +
" List<String> s1 = bx.a1.foo();\n" +
" ^^^^^^^^^^^\n" +
"Type safety: The expression of type List needs unchecked conversion to conform to List<String>\n" +
"----------\n" +
"3. ERROR in X.java (at line 16)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
public void test1413() {
this.runNegativeTest(
new String[] {
"X.java", //-----------------------------------------------------------------------
"import java.util.*;\n" +
"public class X {\n" +
" HashMap <String, ArrayList> m = new HashMap<String, ArrayList>();\n" +
" ArrayList <X> ax = m.get(\"\");\n" +
" Zork z;\n" +
"}\n",//-----------------------------------------------------------------------
},
"----------\n" +
"1. WARNING in X.java (at line 3)\n" +
" HashMap <String, ArrayList> m = new HashMap<String, ArrayList>();\n" +
" ^^^^^^^^^\n" +
"ArrayList is a raw type. References to generic type ArrayList<E> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 3)\n" +
" HashMap <String, ArrayList> m = new HashMap<String, ArrayList>();\n" +
" ^^^^^^^^^\n" +
"ArrayList is a raw type. References to generic type ArrayList<E> should be parameterized\n" +
"----------\n" +
"3. WARNING in X.java (at line 4)\n" +
" ArrayList <X> ax = m.get(\"\");\n" +
" ^^^^^^^^^\n" +
"Type safety: The expression of type ArrayList needs unchecked conversion to conform to ArrayList<X>\n" +
"----------\n" +
"4. ERROR in X.java (at line 5)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
public void test1414() {
this.runNegativeTest(
new String[] {
"X.java", //-----------------------------------------------------------------------
"interface A<T> {}\n" +
"class B<T> {}\n" +
"public class X {\n" +
" A<?> a = null;\n" +
" B y = (B)a;\n" +
" Zork z;\n" +
"}\n",//-----------------------------------------------------------------------
},
"----------\n" +
"1. WARNING in X.java (at line 5)\n" +
" B y = (B)a;\n" +
" ^\n" +
"B is a raw type. References to generic type B<T> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 5)\n" +
" B y = (B)a;\n" +
" ^\n" +
"B is a raw type. References to generic type B<T> should be parameterized\n" +
"----------\n" +
"3. ERROR in X.java (at line 6)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
public void test1415() {
this.runNegativeTest(
new String[] {
"X.java", //-----------------------------------------------------------------------
"public class X {\n" +
" <T, U extends T, V extends T> T foo(boolean b, U u, V v) {\n" +
" return b ? (T) u: v;\n" +
" }\n" +
" Zork z;\n" +
"}\n",//-----------------------------------------------------------------------
},
"----------\n" +
"1. ERROR in X.java (at line 5)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
public void test1416() {
this.runNegativeTest(
new String[] {
"X.java", //-----------------------------------------------------------------------
"interface A {}\n" +
"interface B<RELATED extends A> extends A {}\n" +
"interface C<RELATED extends A, SOURCE extends RELATED> extends B<RELATED> {}\n" +
"interface D<RELATED extends A, SOURCE extends B<?>> extends C<RELATED, SOURCE> {}\n" +
"interface E<RELATED extends B<?>, SOURCE extends RELATED> extends C<RELATED, SOURCE> {}\n" +
"public class X {\n" +
" C<B<?>,C<?,?>> ok;\n" +
" C<C<?,?>,B<?>> wrong;\n" +
"}\n",//-----------------------------------------------------------------------
},
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" interface D<RELATED extends A, SOURCE extends B<?>> extends C<RELATED, SOURCE> {}\n" +
" ^^^^^^\n" +
"Bound mismatch: The type SOURCE is not a valid substitute for the bounded parameter <SOURCE extends RELATED> of the type C<RELATED,SOURCE>\n" +
"----------\n" +
"2. ERROR in X.java (at line 8)\n" +
" C<C<?,?>,B<?>> wrong;\n" +
" ^\n" +
"Bound mismatch: The type B<?> is not a valid substitute for the bounded parameter <SOURCE extends RELATED> of the type C<RELATED,SOURCE>\n" +
"----------\n");
}
public void test1417() {
this.runConformTest(
new String[] {
"X.java", //-----------------------------------------------------------------------
"class XSuper {\n" +
" protected void bar() {}\n" +
"}\n" +
"interface I {\n" +
" void baz();\n" +
"}\n" +
"public class X extends XSuper implements I{\n" +
" public void baz() {}\n" +
" public static void main(String argv[]) {\n" +
" testMethod(new X());\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
" static <T extends XSuper & I, U extends T> void testMethod(U u) {\n" +
" u.baz();\n" +
" u.bar();\n" +
" }\n" +
"}\n",//-----------------------------------------------------------------------
},
"SUCCESS");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=257434
public void test1418() {
this.runNegativeTest(
new String[] {
"X.java", //-----------------------------------------------------------------------
"class Box<U extends Box<?, ?>, V extends U> {\n" +
" V value;\n" +
" Box<U, V> next;\n" +
" Box(V value) {\n" +
" this.value = value;\n" +
" }\n" +
" Box() {}\n" +
"}\n" +
"class A extends Box<A, A> {}\n" +
"class B extends Box<B, B> {}\n" +
"public class X {\n" +
" public static void main(String[] args) {\n" +
" Box<Box<A, A>, Box<A, A>> a = new Box<Box<A, A>, Box<A, A>>(new Box<A, A>(new A()));\n" +
" Box<?, ?> b = a;\n" +
" b.value.next = new Box<B, B>(new B());\n" +
" A c = a.value.next.value;\n" +
" String s = b.value;\n" +
" b.value.next.next = new Box<B, B>(new B());\n" +
" }\n" +
"}\n",//-----------------------------------------------------------------------
},
"----------\n" +
"1. ERROR in X.java (at line 15)\n" +
" b.value.next = new Box<B, B>(new B());\n" +
" ^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Box<B,B> to Box<capture#3-of ?,capture#4-of ?>\n" +
"----------\n" +
"2. ERROR in X.java (at line 17)\n" +
" String s = b.value;\n" +
" ^^^^^^^\n" +
"Type mismatch: cannot convert from capture#6-of ? to String\n" +
"----------\n" +
"3. ERROR in X.java (at line 18)\n" +
" b.value.next.next = new Box<B, B>(new B());\n" +
" ^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Box<B,B> to Box<capture#9-of ?,capture#10-of ?>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=257434 - variation
public void test1419() {
this.runNegativeTest(
new String[] {
"X.java", //-----------------------------------------------------------------------
"class Box<U extends Box<?, ?>, V extends U> {\n" +
" private V value;\n" +
" Box<U, V> next;\n" +
" Box(V value) {\n" +
" this.value = value;\n" +
" }\n" +
" Box() {}\n" +
" V getValue() { return this.value; }\n" +
"}\n" +
"class A extends Box<A, A> {}\n" +
"class B extends Box<B, B> {}\n" +
"public class X {\n" +
" public static void main(String[] args) {\n" +
" Box<Box<A, A>, Box<A, A>> a = new Box<Box<A, A>, Box<A, A>>(new Box<A, A>(new A()));\n" +
" Box<?, ?> b = a;\n" +
" b.getValue().next = new Box<B, B>(new B());\n" +
" A c = a.getValue().next.getValue();\n" +
" String s = b.getValue();\n" +
" b.getValue().next.next = new Box<B, B>(new B());\n" +
" }\n" +
"}\n",//-----------------------------------------------------------------------
},
"----------\n" +
"1. ERROR in X.java (at line 16)\n" +
" b.getValue().next = new Box<B, B>(new B());\n" +
" ^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Box<B,B> to Box<capture#3-of ?,capture#4-of ?>\n" +
"----------\n" +
"2. ERROR in X.java (at line 18)\n" +
" String s = b.getValue();\n" +
" ^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from capture#6-of ? to String\n" +
"----------\n" +
"3. ERROR in X.java (at line 19)\n" +
" b.getValue().next.next = new Box<B, B>(new B());\n" +
" ^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Box<B,B> to Box<capture#9-of ?,capture#10-of ?>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=257434 - variation
public void test1420() {
this.runNegativeTest(
new String[] {
"X.java", //-----------------------------------------------------------------------
"class Box<U extends Box<?, ?>, V extends U> {\n" +
" V value;\n" +
" Box<U, V> next(V v) { return new Box<U,V>(v); }\n" +
" Box(V value) {\n" +
" this.value = value;\n" +
" }\n" +
" Box() {/**/}\n" +
"}\n" +
"class A extends Box<A, A> {/**/}\n" +
"class B extends Box<B, B> {/**/}\n" +
"public class X {\n" +
" public static void main(String[] args) {\n" +
" Box<Box<A, A>, Box<A, A>> a = new Box<Box<A, A>, Box<A, A>>(new Box<A, A>(new A()));\n" +
" Box<?, ?> b = a;\n" +
" b.value.next(new Box<B, B>(new B()));\n" +
" b.value.next(b.value);\n" +
" }\n" +
"}\n",//-----------------------------------------------------------------------
},
"----------\n" +
"1. ERROR in X.java (at line 15)\n" +
" b.value.next(new Box<B, B>(new B()));\n" +
" ^^^^\n" +
"The method next(capture#4-of ?) in the type Box<capture#3-of ?,capture#4-of ?> is not applicable for the arguments (Box<B,B>)\n" +
"----------\n" +
"2. ERROR in X.java (at line 16)\n" +
" b.value.next(b.value);\n" +
" ^^^^\n" +
"The method next(capture#10-of ?) in the type Box<capture#9-of ?,capture#10-of ?> is not applicable for the arguments (capture#8-of ?)\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=257849
// FIXME javac8 doesn't find the error
public void test1421() {
this.runNegativeTest(
false /* skipJavac */,
this.complianceLevel < ClassFileConstants.JDK1_8 ?
null : JavacTestOptions.Excuse.JavacCompilesIncorrectSource,
new String[] {
"X.java", //-----------------------------------------------------------------------
"public class X {\n" +
" public interface ID { };\n" +
" public abstract class DomainObject<T extends ID> {};\n" +
" public interface DAO<T extends DomainObject<ID>> { };\n" +
" public abstract class HibernateDAOBase<DomainObject> implements DAO<DomainObject<ID>> {};\n" +
"}\n",//-----------------------------------------------------------------------
},
"----------\n" +
"1. WARNING in X.java (at line 5)\n" +
" public abstract class HibernateDAOBase<DomainObject> implements DAO<DomainObject<ID>> {};\n" +
" ^^^^^^^^^^^^\n" +
"The type parameter DomainObject is hiding the type X.DomainObject<T>\n" +
"----------\n" +
"2. ERROR in X.java (at line 5)\n" +
" public abstract class HibernateDAOBase<DomainObject> implements DAO<DomainObject<ID>> {};\n" +
" ^^^^^^^^^^^^\n" +
"The type DomainObject is not generic; it cannot be parameterized with arguments <X.ID>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=257849 - variation
public void test1422() {
this.runNegativeTest(
new String[] {
"X.java", //-----------------------------------------------------------------------
"public class X {\n" +
" public interface ID { };\n" +
" public abstract class DomainObject<T extends ID> {};\n" +
" public interface DAO<T extends DomainObject<ID>> { };\n" +
" public abstract class HibernateDAOBase<DomainObject> implements DAO<DomainObject<ID>.Zork> {};\n" +
"}\n",//-----------------------------------------------------------------------
},
"----------\n" +
"1. WARNING in X.java (at line 5)\n" +
" public abstract class HibernateDAOBase<DomainObject> implements DAO<DomainObject<ID>.Zork> {};\n" +
" ^^^^^^^^^^^^\n" +
"The type parameter DomainObject is hiding the type X.DomainObject<T>\n" +
"----------\n" +
"2. ERROR in X.java (at line 5)\n" +
" public abstract class HibernateDAOBase<DomainObject> implements DAO<DomainObject<ID>.Zork> {};\n" +
" ^^^^^^^^^^^^\n" +
"The type DomainObject is not generic; it cannot be parameterized with arguments <X.ID>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=257849
public void test1423() {
this.runNegativeTest(
new String[] {
"X.java", //-----------------------------------------------------------------------
"public class X {\n" +
" public interface ID { };\n" +
" public abstract class DomainObject<T extends ID> {};\n" +
" public interface DAO<T extends DomainObject<ID>> { };\n" +
" public abstract class HibernateDAOBase<DomainObject> implements DAO<DomainObject<? extends Zork>> {};\n" +
"}\n",//-----------------------------------------------------------------------
},
"----------\n" +
"1. WARNING in X.java (at line 5)\n" +
" public abstract class HibernateDAOBase<DomainObject> implements DAO<DomainObject<? extends Zork>> {};\n" +
" ^^^^^^^^^^^^\n" +
"The type parameter DomainObject is hiding the type X.DomainObject<T>\n" +
"----------\n" +
"2. ERROR in X.java (at line 5)\n" +
" public abstract class HibernateDAOBase<DomainObject> implements DAO<DomainObject<? extends Zork>> {};\n" +
" ^^^^^^^^^^^^\n" +
"The type DomainObject is not generic; it cannot be parameterized with arguments <? extends Zork>\n" +
"----------\n" +
"3. ERROR in X.java (at line 5)\n" +
" public abstract class HibernateDAOBase<DomainObject> implements DAO<DomainObject<? extends Zork>> {};\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=257849 - variation
public void test1424() {
this.runNegativeTest(
new String[] {
"X.java", //-----------------------------------------------------------------------
"public class X {\n" +
" public interface ID { };\n" +
" public abstract class DomainObject<T extends ID> {};\n" +
" public interface DAO<T extends DomainObject<ID>> { };\n" +
" public abstract class HibernateDAOBase<DomainObject> implements DAO<DomainObject<? extends Zork>.Zork> {};\n" +
"}\n",//-----------------------------------------------------------------------
},
"----------\n" +
"1. WARNING in X.java (at line 5)\n" +
" public abstract class HibernateDAOBase<DomainObject> implements DAO<DomainObject<? extends Zork>.Zork> {};\n" +
" ^^^^^^^^^^^^\n" +
"The type parameter DomainObject is hiding the type X.DomainObject<T>\n" +
"----------\n" +
"2. ERROR in X.java (at line 5)\n" +
" public abstract class HibernateDAOBase<DomainObject> implements DAO<DomainObject<? extends Zork>.Zork> {};\n" +
" ^^^^^^^^^^^^\n" +
"The type DomainObject is not generic; it cannot be parameterized with arguments <? extends Zork>\n" +
"----------\n" +
"3. ERROR in X.java (at line 5)\n" +
" public abstract class HibernateDAOBase<DomainObject> implements DAO<DomainObject<? extends Zork>.Zork> {};\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=206123
public void test1425() {
this.runNegativeTest(
new String[] {
"X.java", //-----------------------------------------------------------------------
"public class X {\n" +
" void test() {\n" +
" B b = new C();\n" +
" Class<? extends B> cb = C.class;\n" +
" \n" +
" YYY<C> y = new XXX();\n" +
" Class<? extends YYY<C>> cy = XXX.class;\n" +
" \n" +
" YYY<? extends B> yb = new XXX();\n" +
" Class<? extends YYY<? extends B>> ybc = XXX.class;\n" +
" \n" +
" Class<? extends YYY> ybb = yb.getClass();\n" +
" Class<? extends YYY<?>> ybb2 = yb.getClass();\n" +
" Class<? extends YYY<? extends B>> ybb3 = yb.getClass();\n" +
" }\n" +
"}\n" +
"class Obj {}\n" +
"class B extends Obj {}\n" +
"class C extends B {}\n" +
"class ZZZ<T extends Obj> {}\n" +
"class YYY<T extends B> extends ZZZ<T> {}\n" +
"class XXX extends YYY<C> {}\n",//-----------------------------------------------------------------------
},
"----------\n" +
"1. WARNING in X.java (at line 12)\n" +
" Class<? extends YYY> ybb = yb.getClass();\n" +
" ^^^\n" +
"YYY is a raw type. References to generic type YYY<T> should be parameterized\n" +
"----------\n" +
"2. ERROR in X.java (at line 13)\n" +
" Class<? extends YYY<?>> ybb2 = yb.getClass();\n" +
" ^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Class<capture#4-of ? extends YYY> to Class<? extends YYY<?>>\n" +
"----------\n" +
"3. ERROR in X.java (at line 14)\n" +
" Class<? extends YYY<? extends B>> ybb3 = yb.getClass();\n" +
" ^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Class<capture#6-of ? extends YYY> to Class<? extends YYY<? extends B>>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=258039
public void test1426() {
this.runNegativeTest(
new String[] {
"X.java", //-----------------------------------------------------------------------
"import java.util.*;\n" +
"public class X {\n" +
" boolean foo() {\n" +
" return null instanceof List<Object>;\n" +
" }\n" +
" <T extends List<Object>> boolean foo2() {\n" +
" return null instanceof T;\n" +
" }\n" +
" boolean foo3() {\n" +
" return null instanceof Map<Object,String>;\n" +
" }\n" +
" <T extends Map<Object,String>> boolean foo4() {\n" +
" return null instanceof T;\n" +
" }\n" +
"}\n",//-----------------------------------------------------------------------
},
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" return null instanceof List<Object>;\n" +
" ^^^^^^^^^^^^^^^^^^^^\n" +
"Cannot perform instanceof check against parameterized type List<Object>. Use the form List<?> instead since further generic type information will be erased at runtime\n" +
"----------\n" +
"2. ERROR in X.java (at line 7)\n" +
" return null instanceof T;\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"Cannot perform instanceof check against type parameter T. Use its erasure List<?> instead since further generic type information will be erased at runtime\n" +
"----------\n" +
"3. ERROR in X.java (at line 10)\n" +
" return null instanceof Map<Object,String>;\n" +
" ^^^^^^^^^^^^^^^^^^^\n" +
"Cannot perform instanceof check against parameterized type Map<Object,String>. Use the form Map<?,?> instead since further generic type information will be erased at runtime\n" +
"----------\n" +
"4. ERROR in X.java (at line 13)\n" +
" return null instanceof T;\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"Cannot perform instanceof check against type parameter T. Use its erasure Map<?,?> instead since further generic type information will be erased at runtime\n" +
"----------\n");
}
public void test1427() {
String xSource =
"import java.util.List;\n" +
"public class X {\n" +
" public <T> List<T> nil() { return null; }\n" +
" public <T> T getHead(List<T> x) { return null; }\n" +
" X() {\n" +
" String s = getHead(nil());\n" +
" }\n" +
"}\n";
if (this.complianceLevel < ClassFileConstants.JDK1_8) {
this.runNegativeTest(
new String[] {
"X.java",
xSource
},
"----------\n" +
"1. ERROR in X.java (at line 6)\n" +
" String s = getHead(nil());\n" +
" ^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Object to String\n" +
"----------\n");
} else {
runConformTest(
new String[] {
"X.java",
xSource
});
}
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=239203
public void test1428() {
this.runConformTest(
new String[] {
"X.java", //-----------------------------------------------------------------------
"class A<I extends B> {}\n" +
"class B {}\n" +
"public class X {\n" +
" public <I extends B, C extends A<I>> A<I> foo(Class<C> clazz) {\n" +
" A<I> ret = bar(\"bla\");\n" +
" return ret;\n" +
" }\n" +
" public <I extends B, C extends A<I>> A<I> bar(String clazzName) {\n" +
" return null;\n" +
" }\n" +
"}\n",//-----------------------------------------------------------------------
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=258798
public void test1429() {
this.runNegativeTest(
new String[] {
"X.java", //-----------------------------------------------------------------------
"class Foo<T> {}\n" +
"public class X {\n" +
" public void test() {\n" +
" Integer i = m(new Foo<Foo<Integer>>(), new Foo());\n" +
" }\n" +
" public <T> T m(Foo<T> x, T t) {\n" +
" return t;\n" +
" }\n" +
"}\n",//-----------------------------------------------------------------------
},
this.complianceLevel < ClassFileConstants.JDK1_8 ?
"----------\n" +
"1. WARNING in X.java (at line 4)\n" +
" Integer i = m(new Foo<Foo<Integer>>(), new Foo());\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked invocation m(Foo<Foo<Integer>>, Foo) of the generic method m(Foo<T>, T) of type X\n" +
"----------\n" +
"2. ERROR in X.java (at line 4)\n" +
" Integer i = m(new Foo<Foo<Integer>>(), new Foo());\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Foo to Integer\n" +
"----------\n" +
"3. WARNING in X.java (at line 4)\n" +
" Integer i = m(new Foo<Foo<Integer>>(), new Foo());\n" +
" ^^^^^^^^^\n" +
"Type safety: The expression of type Foo needs unchecked conversion to conform to Foo<Integer>\n" +
"----------\n" +
"4. WARNING in X.java (at line 4)\n" +
" Integer i = m(new Foo<Foo<Integer>>(), new Foo());\n" +
" ^^^\n" +
"Foo is a raw type. References to generic type Foo<T> should be parameterized\n" +
"----------\n" :
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" Integer i = m(new Foo<Foo<Integer>>(), new Foo());\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Foo<Integer> to Integer\n" +
"----------\n" +
"2. WARNING in X.java (at line 4)\n" +
" Integer i = m(new Foo<Foo<Integer>>(), new Foo());\n" +
" ^^^\n" +
"Foo is a raw type. References to generic type Foo<T> should be parameterized\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=258798 - variation
public void test1430() {
this.runNegativeTest(
new String[] {
"X.java", //-----------------------------------------------------------------------
"class Foo<T> {}\n" +
"public class X {\n" +
" public void test() {\n" +
" m(new Foo<Foo<Integer>>(), new Foo());\n" +
" }\n" +
" public <T> void m(Foo<T> x, T t) {}\n" +
"}\n",//-----------------------------------------------------------------------
},
"----------\n" +
"1. WARNING in X.java (at line 4)\n" +
" m(new Foo<Foo<Integer>>(), new Foo());\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked invocation m(Foo<Foo<Integer>>, Foo) of the generic method m(Foo<T>, T) of type X\n" +
"----------\n" +
"2. WARNING in X.java (at line 4)\n" +
" m(new Foo<Foo<Integer>>(), new Foo());\n" +
" ^^^^^^^^^\n" +
"Type safety: The expression of type Foo needs unchecked conversion to conform to Foo<Integer>\n" +
"----------\n" +
"3. WARNING in X.java (at line 4)\n" +
" m(new Foo<Foo<Integer>>(), new Foo());\n" +
" ^^^\n" +
"Foo is a raw type. References to generic type Foo<T> should be parameterized\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=258039
public void test1431() throws Exception {
this.runNegativeTest(
new String[] {
"X.java", //=================================
"public class X {\n" +
" void foo() {\n" +
" class M<T extends Number> {}\n" +
" class N extends M<String> {}\n" +
" class O implements I<String>, I<Number> {}\n" +
" }\n" +
" class MM<T extends Number> {}\n" +
" class NN extends MM<String> {}\n" +
" class OO implements I<String>, I<Number> {}\n" +
"}\n" +
"interface I<T> {}"
},
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" class N extends M<String> {}\n" +
" ^^^^^^\n" +
"Bound mismatch: The type String is not a valid substitute for the bounded parameter <T extends Number> of the type M<T>\n" +
"----------\n" +
"2. ERROR in X.java (at line 5)\n" +
" class O implements I<String>, I<Number> {}\n" +
" ^\n" +
"The interface I cannot be implemented more than once with different arguments: I<Number> and I<String>\n" +
"----------\n" +
"3. ERROR in X.java (at line 8)\n" +
" class NN extends MM<String> {}\n" +
" ^^^^^^\n" +
"Bound mismatch: The type String is not a valid substitute for the bounded parameter <T extends Number> of the type X.MM<T>\n" +
"----------\n" +
"4. ERROR in X.java (at line 9)\n" +
" class OO implements I<String>, I<Number> {}\n" +
" ^^\n" +
"The interface I cannot be implemented more than once with different arguments: I<Number> and I<String>\n" +
"----------\n"
);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=258798 - variation
public void test1432() {
this.runNegativeTest(
new String[] {
"X.java", //-----------------------------------------------------------------------
"class Foo<T> {\n" +
" T bar(Foo<T> ft, T t) {\n" +
" return t;\n" +
" }\n" +
"}\n" +
"public class X {\n" +
" public void test() {\n" +
" Foo<Foo<Integer>> ffi = new Foo<Foo<Integer>>();\n" +
" Integer j = ffi.bar(ffi, new Foo());\n" +
" }\n" +
"}\n",//-----------------------------------------------------------------------
},
"----------\n" +
"1. ERROR in X.java (at line 9)\n" +
" Integer j = ffi.bar(ffi, new Foo());\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^\n" +
(this.complianceLevel < ClassFileConstants.JDK1_8
? "Type mismatch: cannot convert from Foo<Integer> to Integer\n"
: "Type mismatch: cannot convert from Foo to Integer\n") +
"----------\n" +
"2. WARNING in X.java (at line 9)\n" +
" Integer j = ffi.bar(ffi, new Foo());\n" +
" ^^^^^^^^^\n" +
"Type safety: The expression of type Foo needs unchecked conversion to conform to Foo<Integer>\n" +
"----------\n" +
"3. WARNING in X.java (at line 9)\n" +
" Integer j = ffi.bar(ffi, new Foo());\n" +
" ^^^\n" +
"Foo is a raw type. References to generic type Foo<T> should be parameterized\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=258798 - variation
public void test1433() {
this.runNegativeTest(
new String[] {
"X.java", //-----------------------------------------------------------------------
"import java.util.*;\n" +
"public class X<T> {\n" +
" Zork z;\n" +
" <U> void foo(X<U> xu) {}\n" +
" void bar(X x) {\n" +
" foo(x);\n" +
" }\n" +
"}\n",//-----------------------------------------------------------------------
},
"----------\n" +
"1. ERROR in X.java (at line 3)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n" +
"2. WARNING in X.java (at line 5)\n" +
" void bar(X x) {\n" +
" ^\n" +
"X is a raw type. References to generic type X<T> should be parameterized\n" +
"----------\n" +
"3. WARNING in X.java (at line 6)\n" +
" foo(x);\n" +
" ^^^^^^\n" +
"Type safety: Unchecked invocation foo(X) of the generic method foo(X<U>) of type X<T>\n" +
"----------\n" +
"4. WARNING in X.java (at line 6)\n" +
" foo(x);\n" +
" ^\n" +
"Type safety: The expression of type X needs unchecked conversion to conform to X<Object>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=258798 - variation
public void test1434() {
this.runNegativeTest(
new String[] {
"Foo.java", //-----------------------------------------------------------------------
"public class Foo {\n" +
" public static <I> I m2(Class<I> c) { return null; } \n" +
" void bar() {\n" +
" Foo l2 = m2((Class)Foo.class);\n" +
" }\n" +
"}\n",//-----------------------------------------------------------------------
},
(this.complianceLevel < ClassFileConstants.JDK1_8 ?
"----------\n" +
"1. WARNING in Foo.java (at line 4)\n" +
" Foo l2 = m2((Class)Foo.class);\n" +
" ^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked invocation m2(Class) of the generic method m2(Class<I>) of type Foo\n" +
"----------\n" +
"2. WARNING in Foo.java (at line 4)\n" +
" Foo l2 = m2((Class)Foo.class);\n" +
" ^^^^^^^^^^^^^^^^\n" +
"Type safety: The expression of type Class needs unchecked conversion to conform to Class<Foo>\n" +
"----------\n" +
"3. WARNING in Foo.java (at line 4)\n" +
" Foo l2 = m2((Class)Foo.class);\n" +
" ^^^^^^^^^^^^^^^^\n" +
"Unnecessary cast from Class<Foo> to Class\n" +
"----------\n" +
"4. WARNING in Foo.java (at line 4)\n" +
" Foo l2 = m2((Class)Foo.class);\n" +
" ^^^^^\n" +
"Class is a raw type. References to generic type Class<T> should be parameterized\n" +
"----------\n"
: // 1.8 is stricter:
"----------\n" +
"1. ERROR in Foo.java (at line 4)\n" +
" Foo l2 = m2((Class)Foo.class);\n" +
" ^^^^^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Object to Foo\n" +
"----------\n" +
"2. WARNING in Foo.java (at line 4)\n" +
" Foo l2 = m2((Class)Foo.class);\n" +
" ^^^^^\n" +
"Class is a raw type. References to generic type Class<T> should be parameterized\n" +
"----------\n"));
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=258798 - variation
public void test1435() {
String xSource =
"public class X {\n" +
" <T extends Comparable<T>> T min(T x, T y) { return x; }\n" +
" \n" +
" void foo(Foo f, Bar b) {\n" +
" min(f, f);\n" +
" min(b, b);\n" +
" }\n" +
"}\n" +
"abstract class Foo implements Comparable<Foo> {\n" +
"}\n" +
"abstract class Bar extends Foo {}\n";
if (this.complianceLevel < ClassFileConstants.JDK1_8) {
this.runNegativeTest(
new String[] {
"X.java",
xSource,
},
"----------\n" +
"1. ERROR in X.java (at line 6)\n" +
" min(b, b);\n" +
" ^^^\n" +
"Bound mismatch: The generic method min(T, T) of type X is not applicable for the arguments (Bar, Bar). The inferred type Bar is not a valid substitute for the bounded parameter <T extends Comparable<T>>\n" +
"----------\n");
} else {
runConformTest(new String[]{ "X.java", xSource });
}
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=258798 - variation
public void test1436() {
this.runNegativeTest(
new String[] {
"X.java", //-----------------------------------------------------------------------
"import java.util.*;\n" +
"public class X {\n" +
" <U extends List<?>, T extends Throwable> void foo(List<U> lu, T t) throws T {\n" +
" if (lu.isEmpty()) throw t;\n" +
" }\n" +
" void bar(List l, IllegalArgumentException iae) {\n" +
" try {\n" +
" foo(l, iae);\n" +
" } catch (IllegalArgumentException e) {\n" +
" }\n" +
" }\n" +
"}\n",//-----------------------------------------------------------------------
},
"----------\n" +
"1. WARNING in X.java (at line 6)\n" +
" void bar(List l, IllegalArgumentException iae) {\n" +
" ^^^^\n" +
"List is a raw type. References to generic type List<E> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 8)\n" +
" foo(l, iae);\n" +
" ^^^^^^^^^^^\n" +
"Type safety: Unchecked invocation foo(List, IllegalArgumentException) of the generic method foo(List<U>, T) of type X\n" +
"----------\n" +
(this.complianceLevel < ClassFileConstants.JDK1_8
?
"3. WARNING in X.java (at line 8)\n" +
" foo(l, iae);\n" +
" ^\n" +
"Type safety: The expression of type List needs unchecked conversion to conform to List<List<?>>\n"
:
"3. ERROR in X.java (at line 8)\n" +
" foo(l, iae);\n" +
" ^^^^^^^^^^^\n" +
"Unhandled exception type Throwable\n" + // new error since 1.8 (bug 473657)
"----------\n" +
"4. WARNING in X.java (at line 8)\n" +
" foo(l, iae);\n" +
" ^\n" +
"Type safety: The expression of type List needs unchecked conversion to conform to List<List<?>>\n"
) +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=258798 - variation
public void test1437() {
this.runNegativeTest(
new String[] {
"X.java", //-----------------------------------------------------------------------
"import java.util.*;\n" +
"public class X {\n" +
" <U extends List<?>, T extends Throwable> X(List<U> lu, T t) throws T {\n" +
" if (lu.isEmpty()) throw t;\n" +
" }\n" +
" void bar(List l, IllegalArgumentException iae) {\n" +
" try {\n" +
" new X(l, iae);\n" +
" } catch (IllegalArgumentException e) {\n" +
" }\n" +
" }\n" +
"}\n",//-----------------------------------------------------------------------
},
"----------\n" +
"1. WARNING in X.java (at line 6)\n" +
" void bar(List l, IllegalArgumentException iae) {\n" +
" ^^^^\n" +
"List is a raw type. References to generic type List<E> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 8)\n" +
" new X(l, iae);\n" +
" ^^^^^^^^^^^^^\n" +
"Type safety: Unchecked invocation X(List, IllegalArgumentException) of the generic constructor X(List<U>, T) of type X\n" +
"----------\n" +
(this.complianceLevel < ClassFileConstants.JDK1_8
?
"3. WARNING in X.java (at line 8)\n" +
" new X(l, iae);\n" +
" ^\n" +
"Type safety: The expression of type List needs unchecked conversion to conform to List<List<?>>\n"
:
"3. ERROR in X.java (at line 8)\n" +
" new X(l, iae);\n" +
" ^^^^^^^^^^^^^\n" +
"Unhandled exception type Throwable\n" + // new error since 1.8 (bug 473657)
"----------\n" +
"4. WARNING in X.java (at line 8)\n" +
" new X(l, iae);\n" +
" ^\n" +
"Type safety: The expression of type List needs unchecked conversion to conform to List<List<?>>\n"
) +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=258798 - variation
public void test1438() {
this.runNegativeTest(
new String[] {
"X.java", //-----------------------------------------------------------------------
"import java.util.*;\n" +
"public class X {\n" +
" <U extends List<?>, T extends Throwable> X(List<U> lu, T t) throws T {\n" +
" if (lu.isEmpty()) throw t;\n" +
" }\n" +
" void bar(List l, IllegalArgumentException iae) {\n" +
" try {\n" +
" new X(l, iae){};\n" +
" } catch (IllegalArgumentException e) {\n" +
" }\n" +
" }\n" +
"}\n",//-----------------------------------------------------------------------
},
"----------\n" +
"1. WARNING in X.java (at line 6)\n" +
" void bar(List l, IllegalArgumentException iae) {\n" +
" ^^^^\n" +
"List is a raw type. References to generic type List<E> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 8)\n" +
" new X(l, iae){};\n" +
" ^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked invocation X(List, IllegalArgumentException) of the generic constructor X(List<U>, T) of type X\n" +
"----------\n" +
(this.complianceLevel < ClassFileConstants.JDK1_8
?
"3. WARNING in X.java (at line 8)\n" +
" new X(l, iae){};\n" +
" ^\n" +
"Type safety: The expression of type List needs unchecked conversion to conform to List<List<?>>\n"
:
"3. ERROR in X.java (at line 8)\n" +
" new X(l, iae){};\n" +
" ^^^^^^^^^^^^^^^\n" +
"Unhandled exception type Throwable\n" + // new error since 1.8 (bug 473657)
"----------\n" +
"4. WARNING in X.java (at line 8)\n" +
" new X(l, iae){};\n" +
" ^\n" +
"Type safety: The expression of type List needs unchecked conversion to conform to List<List<?>>\n"
) +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=258798 - variation
public void test1439() {
this.runNegativeTest(
new String[] {
"X.java", //-----------------------------------------------------------------------
"import java.util.*;\n" +
"public class X {\n" +
" <U extends List<?>, T extends Throwable> X(List<U> lu, T t) throws T {\n" +
" if (lu.isEmpty()) throw t;\n" +
" }\n" +
" X() { \n" +
" this((List) null, null);\n" +
" }\n" +
"}\n" +
"class Y extends X {\n" +
" <U extends List<?>, T extends Throwable> Y(List<U> lu, T t) {\n" +
" super((List)lu, t);\n" +
" }\n" +
"}\n",//-----------------------------------------------------------------------
},
"----------\n" +
"1. WARNING in X.java (at line 7)\n" +
" this((List) null, null);\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked invocation X(List, null) of the generic constructor X(List<U>, T) of type X\n" +
"----------\n" +
"2. ERROR in X.java (at line 7)\n" +
" this((List) null, null);\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Unhandled exception type Throwable\n" +
"----------\n" +
"3. WARNING in X.java (at line 7)\n" +
" this((List) null, null);\n" +
" ^^^^^^^^^^^\n" +
"Type safety: The expression of type List needs unchecked conversion to conform to List<List<?>>\n" +
"----------\n" +
"4. WARNING in X.java (at line 7)\n" +
" this((List) null, null);\n" +
" ^^^^\n" +
"List is a raw type. References to generic type List<E> should be parameterized\n" +
"----------\n" +
"5. WARNING in X.java (at line 12)\n" +
" super((List)lu, t);\n" +
" ^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked invocation X(List, T) of the generic constructor X(List<U>, T) of type X\n" +
"----------\n" +
"6. ERROR in X.java (at line 12)\n" +
" super((List)lu, t);\n" +
" ^^^^^^^^^^^^^^^^^^^\n" +
"Unhandled exception type Throwable\n" +
"----------\n" +
"7. WARNING in X.java (at line 12)\n" +
" super((List)lu, t);\n" +
" ^^^^^^^^\n" +
"Type safety: The expression of type List needs unchecked conversion to conform to List<List<?>>\n" +
"----------\n" +
"8. WARNING in X.java (at line 12)\n" +
" super((List)lu, t);\n" +
" ^^^^\n" +
"List is a raw type. References to generic type List<E> should be parameterized\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=260567
public void test1440() {
this.runNegativeTest(
new String[] {
"X.java", //-----------------------------------------------------------------------
"import java.util.*;\n" +
"interface GenricInterface<T> {}\n" +
"class NewMapType<U, V, R extends GenricInterface<U>> extends HashMap<R<U>, V> {}\n",//-----------------------------------------------------------------------
},
"----------\n" +
"1. ERROR in X.java (at line 3)\n" +
" class NewMapType<U, V, R extends GenricInterface<U>> extends HashMap<R<U>, V> {}\n" +
" ^\n" +
"The type R is not generic; it cannot be parameterized with arguments <U>\n" +
"----------\n");
}
public void test1441() {
this.runNegativeTest(
new String[] {
"X.java", //-----------------------------------------------------------------------
"public class X<T> {\n" +
" void bar(T t) {}\n" +
" void foo(X<? extends String> x1, X<? extends Integer> x2) {\n" +
" (x1 != null ? x1 : x2).bar(new Object());\n" +
" }\n" +
"}\n",//-----------------------------------------------------------------------
},
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" (x1 != null ? x1 : x2).bar(new Object());\n" +
" ^^^\n" +
"The method bar(capture#4-of ? extends Object&Serializable&Comparable<? extends Object&Serializable&Comparable<?>>) in the type X<capture#4-of ? extends Object&Serializable&Comparable<? extends Object&Serializable&Comparable<?>>> is not applicable for the arguments (Object)\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=221253
public void test1442() {
this.runNegativeTest(
new String[] {
"X.java", //-----------------------------------------------------------------------
"public class X<T extends Comparable<T>> {\n" +
" T[] array;\n" +
"\n" +
" @Override public boolean equals(Object o) {\n" +
" X<Comparable<T>> x;\n" +
" if (array.length == ((X<Comparable<T>>) o).array.length) {\n" +
" return true;\n" +
" }\n" +
" return false;\n" +
" }\n" +
"}\n",//-----------------------------------------------------------------------
},
"----------\n" +
"1. ERROR in X.java (at line 5)\n" +
" X<Comparable<T>> x;\n" +
" ^^^^^^^^^^\n" +
"Bound mismatch: The type Comparable<T> is not a valid substitute for the bounded parameter <T extends Comparable<T>> of the type X<T>\n" +
"----------\n" +
"2. WARNING in X.java (at line 6)\n" +
" if (array.length == ((X<Comparable<T>>) o).array.length) {\n" +
" ^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from Object to X<Comparable<T>>\n" +
"----------\n" +
"3. ERROR in X.java (at line 6)\n" +
" if (array.length == ((X<Comparable<T>>) o).array.length) {\n" +
" ^^^^^^^^^^\n" +
"Bound mismatch: The type Comparable<T> is not a valid substitute for the bounded parameter <T extends Comparable<T>> of the type X<T>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=254627
public void test1443() {
this.runNegativeTest(
new String[] {
"X.java", //-----------------------------------------------------------------------
"import java.util.List;\n" +
"public class X {\n" +
" private static class C {}\n" +
" private static class B<T extends C> {}\n" +
" private static class A<T extends B<? extends C>> {}\n" +
" void bar (List<A> a) {\n" +
" baz((List)a);\n" +
" // Neither of these two following statements compile under javac\n" +
" buz(a);\n" +
" buz((List)a);\n" +
" // Side note: the following statement is correctly identified as an error\n" +
" // by Eclipse, but it does not suggest casting as a Quick Fix.\n" +
" baz(a);\n" +
" }\n" +
" <R extends C, T extends B<R>> void baz(List<A<T>> a) {}\n" +
" <R extends C, T extends B<R>> void buz(List a) {}\n" +
"}\n",//-----------------------------------------------------------------------
},
"----------\n" +
"1. WARNING in X.java (at line 6)\n" +
" void bar (List<A> a) {\n" +
" ^\n" +
"X.A is a raw type. References to generic type X.A<T> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 7)\n" +
" baz((List)a);\n" +
" ^^^^^^^^^^^^\n" +
"Type safety: Unchecked invocation baz(List) of the generic method baz(List<X.A<T>>) of type X\n" +
"----------\n" +
"3. WARNING in X.java (at line 7)\n" +
" baz((List)a);\n" +
" ^^^^^^^\n" +
"Type safety: The expression of type List needs unchecked conversion to conform to List<X.A<X.B<X.C>>>\n" +
"----------\n" +
"4. WARNING in X.java (at line 7)\n" +
" baz((List)a);\n" +
" ^^^^\n" +
"List is a raw type. References to generic type List<E> should be parameterized\n" +
"----------\n" +
"5. WARNING in X.java (at line 10)\n" +
" buz((List)a);\n" +
" ^^^^\n" +
"List is a raw type. References to generic type List<E> should be parameterized\n" +
"----------\n" +
"6. ERROR in X.java (at line 13)\n" +
" baz(a);\n" +
" ^^^\n" +
"The method baz(List<X.A<T>>) in the type X is not applicable for the arguments (List<X.A>)\n" +
"----------\n" +
"7. WARNING in X.java (at line 16)\n" +
" <R extends C, T extends B<R>> void buz(List a) {}\n" +
" ^^^^\n" +
"List is a raw type. References to generic type List<E> should be parameterized\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=263215
public void test1444() {
this.runNegativeTest(
new String[] {
"X.java", //-----------------------------------------------------------------------
"import java.util.ArrayList;\n" +
"import java.util.Iterator;\n" +
"import java.util.List;\n" +
"\n" +
"public class X {\n" +
" @SuppressWarnings(\"all\") public static <T> T[] asArray(Iterator<? extends T> it, Class<T> clazz) {\n" +
" List<T> lst = new ArrayList<T>();\n" +
" while (it.hasNext()) {\n" +
" lst.add(it.next());\n" +
" }\n" +
" return lst.toArray((T[]) java.lang.reflect.Array.newInstance(clazz, lst.size()));\n" +
" }\n" +
" public void test() {\n" +
" String[] asString = null;\n" +
" // eclipse 3.5M4 this worked in build I20090129-1200 it doesnt anymore\n" +
" asString = X.<String> asArray(getIterator(), String.class);\n" +
" // now i have to do this:\n" +
" Iterator<String> iterator = getIterator();\n" +
" asString = X.<String> asArray(iterator, String.class);\n" +
" // this also works except if i have remove unnecessary cast enabled then\n" +
" // the cast is removed and i get a compile error\n" +
" asString = X.<String> asArray((Iterator<String>) getIterator(), String.class);\n" +
" }\n" +
" @SuppressWarnings(\"all\") public Iterator getIterator() {\n" +
" return new Iterator() {\n" +
" public void remove() {\n" +
" }\n" +
" public Object next() {\n" +
" return null;\n" +
" }\n" +
" public boolean hasNext() {\n" +
" return false;\n" +
" }\n" +
" };\n" +
" }\n" +
" Zork z;\n" +
"}\n",//-----------------------------------------------------------------------
},
"----------\n" +
"1. WARNING in X.java (at line 16)\n" +
" asString = X.<String> asArray(getIterator(), String.class);\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked invocation asArray(Iterator, Class<String>) of the generic method asArray(Iterator<? extends T>, Class<T>) of type X\n" +
"----------\n" +
"2. WARNING in X.java (at line 16)\n" +
" asString = X.<String> asArray(getIterator(), String.class);\n" +
" ^^^^^^^^^^^^^\n" +
"Type safety: The expression of type Iterator needs unchecked conversion to conform to Iterator<? extends String>\n" +
"----------\n" +
"3. WARNING in X.java (at line 18)\n" +
" Iterator<String> iterator = getIterator();\n" +
" ^^^^^^^^^^^^^\n" +
"Type safety: The expression of type Iterator needs unchecked conversion to conform to Iterator<String>\n" +
"----------\n" +
"4. WARNING in X.java (at line 22)\n" +
" asString = X.<String> asArray((Iterator<String>) getIterator(), String.class);\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from Iterator to Iterator<String>\n" +
"----------\n" +
(this.complianceLevel < ClassFileConstants.JDK1_8 ?
"5. WARNING in X.java (at line 22)\n" +
" asString = X.<String> asArray((Iterator<String>) getIterator(), String.class);\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Unnecessary cast from Iterator to Iterator<String>\n" +
"----------\n" +
"6. ERROR in X.java (at line 36)\n"
: // secondary error no longer reported at 1.8+
"5. ERROR in X.java (at line 36)\n"
) +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=263215 - variation
public void test1445() {
this.runNegativeTest(
new String[] {
"X.java", //-----------------------------------------------------------------------
"import java.io.IOException;\n" +
"import java.util.List;\n" +
"\n" +
"public class X {\n" +
" <T extends Throwable> X(List<T> lt) throws T { }\n" +
" <T extends Throwable> List<T> foo(List<T> t) throws T { return t; }\n" +
"\n" +
" static void bar(List l) {\n" +
" new X(l).foo(l);\n" +
" }\n" +
" static void baz(List l) throws IOException {\n" +
" new <IOException> X(l). <IOException> foo(l);\n" +
" }\n" +
" \n" +
" X(List l, long l2) throws IOException {\n" +
" <IOException> this(l);\n" +
" }\n" +
"\n" +
" static void baz2(List l) throws IOException {\n" +
" new <IOException> X(l){}. <IOException> foo(l);\n" +
" }\n" +
"\n" +
"}\n",
},
"----------\n" +
"1. WARNING in X.java (at line 8)\n" +
" static void bar(List l) {\n" +
" ^^^^\n" +
"List is a raw type. References to generic type List<E> should be parameterized\n" +
"----------\n" +
"2. WARNING in X.java (at line 9)\n" +
" new X(l).foo(l);\n" +
" ^^^^^^^^\n" +
"Type safety: Unchecked invocation X(List) of the generic constructor X(List<T>) of type X\n" +
"----------\n" +
"3. WARNING in X.java (at line 9)\n" +
" new X(l).foo(l);\n" +
" ^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked invocation foo(List) of the generic method foo(List<T>) of type X\n" +
"----------\n" +
"4. ERROR in X.java (at line 9)\n" +
" new X(l).foo(l);\n" +
" ^^^^^^^^\n" +
"Unhandled exception type Throwable\n" +
"----------\n" +
"5. ERROR in X.java (at line 9)\n" +
" new X(l).foo(l);\n" +
" ^^^^^^^^^^^^^^^\n" +
"Unhandled exception type Throwable\n" +
"----------\n" +
"6. WARNING in X.java (at line 9)\n" +
" new X(l).foo(l);\n" +
" ^\n" +
(this.complianceLevel < ClassFileConstants.JDK1_8
? "Type safety: The expression of type List needs unchecked conversion to conform to List<Throwable>\n"
: "Type safety: The expression of type List needs unchecked conversion to conform to List<RuntimeException>\n" ) +
"----------\n" +
"7. WARNING in X.java (at line 9)\n" +
" new X(l).foo(l);\n" +
" ^\n" +
(this.complianceLevel < ClassFileConstants.JDK1_8
? "Type safety: The expression of type List needs unchecked conversion to conform to List<Throwable>\n"
: "Type safety: The expression of type List needs unchecked conversion to conform to List<RuntimeException>\n" ) +
"----------\n" +
"8. WARNING in X.java (at line 11)\n" +
" static void baz(List l) throws IOException {\n" +
" ^^^^\n" +
"List is a raw type. References to generic type List<E> should be parameterized\n" +
"----------\n" +
"9. WARNING in X.java (at line 12)\n" +
" new <IOException> X(l). <IOException> foo(l);\n" +
" ^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked invocation X(List) of the generic constructor X(List<T>) of type X\n" +
"----------\n" +
"10. WARNING in X.java (at line 12)\n" +
" new <IOException> X(l). <IOException> foo(l);\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked invocation foo(List) of the generic method foo(List<T>) of type X\n" +
"----------\n" +
"11. WARNING in X.java (at line 12)\n" +
" new <IOException> X(l). <IOException> foo(l);\n" +
" ^\n" +
"Type safety: The expression of type List needs unchecked conversion to conform to List<IOException>\n" +
"----------\n" +
"12. WARNING in X.java (at line 12)\n" +
" new <IOException> X(l). <IOException> foo(l);\n" +
" ^\n" +
"Type safety: The expression of type List needs unchecked conversion to conform to List<IOException>\n" +
"----------\n" +
"13. WARNING in X.java (at line 15)\n" +
" X(List l, long l2) throws IOException {\n" +
" ^^^^\n" +
"List is a raw type. References to generic type List<E> should be parameterized\n" +
"----------\n" +
"14. WARNING in X.java (at line 16)\n" +
" <IOException> this(l);\n" +
" ^^^^^^^^\n" +
"Type safety: Unchecked invocation X(List) of the generic constructor X(List<T>) of type X\n" +
"----------\n" +
"15. WARNING in X.java (at line 16)\n" +
" <IOException> this(l);\n" +
" ^\n" +
"Type safety: The expression of type List needs unchecked conversion to conform to List<IOException>\n" +
"----------\n" +
"16. WARNING in X.java (at line 19)\n" +
" static void baz2(List l) throws IOException {\n" +
" ^^^^\n" +
"List is a raw type. References to generic type List<E> should be parameterized\n" +
"----------\n" +
"17. WARNING in X.java (at line 20)\n" +
" new <IOException> X(l){}. <IOException> foo(l);\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked invocation X(List) of the generic constructor X(List<T>) of type X\n" +
"----------\n" +
"18. WARNING in X.java (at line 20)\n" +
" new <IOException> X(l){}. <IOException> foo(l);\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked invocation foo(List) of the generic method foo(List<T>) of type X\n" +
"----------\n" +
"19. WARNING in X.java (at line 20)\n" +
" new <IOException> X(l){}. <IOException> foo(l);\n" +
" ^\n" +
"Type safety: The expression of type List needs unchecked conversion to conform to List<IOException>\n" +
"----------\n" +
"20. WARNING in X.java (at line 20)\n" +
" new <IOException> X(l){}. <IOException> foo(l);\n" +
" ^\n" +
"Type safety: The expression of type List needs unchecked conversion to conform to List<IOException>\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=202393
public void test1446() {
this.runConformTest(
new String[] {
"Bug202393.java",
"public class Bug202393 {\n" +
" static <T> T id(T in) { return in; }\n" +
" public static void main(String[] args) {\n" +
" try {" +
" bad();" +
" } catch (Throwable t) {\n" +
" System.out.print(\"CAUGHT\");\n" +
" }\n" +
" }\n" +
" static void bad() throws Throwable {\n" +
" throw id(new Exception());\n" +
" }\n" +
"}\n"},
"CAUGHT"
);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=263633
public void test1447() {
this.runConformTest(
new String[] {
"X.java",
"public abstract class X implements Visitable {\n" +
" public <T, U extends Visitor<T>> T accept(U v) {\n" +
" return null;\n" +
" }\n" +
" public <T, U extends Visitor<T>> T accept2(U v) {\n" +
" if (v == null)\n" +
" return this.accept(v);\n" +
" else \n" +
" return this.<T, U> accept(v);\n" +
" }\n" +
"}\n" +
"interface Visitable {\n" +
" <T, U extends Visitor<T>> T accept(U v);\n" +
"}\n" +
"interface Visitor<T> {\n" +
"}\n",
},
""
);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=263633 - variation
public void test1448() {
this.runConformTest(
new String[] {
"X.java",
"public abstract class X implements Visitable {\n" +
" public <T, U extends Visitor> T accept(U v) {\n" +
" return null;\n" +
" }\n" +
" public <T, U extends Visitor> T accept2(U v) {\n" +
" if (v == null)\n" +
" return this.accept(v);\n" +
" else \n" +
" return this.<T, U> accept(v);\n" +
" }\n" +
"}\n" +
"interface Visitable {\n" +
" <T, U extends Visitor> T accept(U v);\n" +
"}\n" +
"interface Visitor{\n" +
"}\n",
},
""
);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=263633 - variation
public void test1449() {
this.runConformTest(
new String[] {
"X.java",
"interface Visitor<T, C, O, P, EL, PM, S, COA, SSA, CT> {\n" +
"}\n" +
"public class X<U> {\n" +
" public <T, U extends Visitor<T, ?, ?, ?, ?, ?, ?, ?, ?, ?>> T accept(U v) {\n" +
" throw new UnsupportedOperationException();\n" +
" }\n" +
"}\n" +
"class Y<V> extends X<V> {\n" +
" public <T, U extends Visitor<T, ?, ?, ?, ?, ?, ?, ?, ?, ?>> T accept(U v) {\n" +
" if (v == null)\n" +
" return super.accept(v);\n" +
" else\n" +
" return super.<T, U> accept(v);\n" +
" }\n" +
"}\n",
},
""
);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=159851
public void test1450() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"class A {}\n" +
"class B<T extends A> {}\n" +
"class X<T extends ArrayList<B<Integer>>> extends TreeMap<Integer, B<String>> {}\n" +
"\n" +
"class D<T> {}\n" +
"class E<T extends Number> {}\n" +
"class Y<T> extends E<D<T>> {}",
},
"----------\n" +
"1. WARNING in X.java (at line 4)\n" +
" class X<T extends ArrayList<B<Integer>>> extends TreeMap<Integer, B<String>> {}\n" +
" ^\n" +
"The serializable class X does not declare a static final serialVersionUID field of type long\n" +
"----------\n" +
"2. ERROR in X.java (at line 4)\n" +
" class X<T extends ArrayList<B<Integer>>> extends TreeMap<Integer, B<String>> {}\n" +
" ^^^^^^^\n" +
"Bound mismatch: The type Integer is not a valid substitute for the bounded parameter <T extends A> of the type B<T>\n" +
"----------\n" +
"3. ERROR in X.java (at line 4)\n" +
" class X<T extends ArrayList<B<Integer>>> extends TreeMap<Integer, B<String>> {}\n" +
" ^^^^^^\n" +
"Bound mismatch: The type String is not a valid substitute for the bounded parameter <T extends A> of the type B<T>\n" +
"----------\n" +
"4. ERROR in X.java (at line 8)\n" +
" class Y<T> extends E<D<T>> {}\n" +
" ^\n" +
"Bound mismatch: The type D<T> is not a valid substitute for the bounded parameter <T extends Number> of the type E<T>\n" +
"----------\n"
);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=159851
public void test1451() {
this.runNegativeTest(
new String[] {
"X.java",
"class A<T> {}\n" +
"class B<T2 extends Number> {}\n" +
"class C<T3, T4> {}\n" +
"class X<T1, T2> extends C<A<A<B<T1>>>, A<B<T2>>> {}\n" +
"class Y<T> extends A<A<B<T>>> {}\n" +
"class Z<T> extends C<B<T>, A<B<T>>> {}",
},
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" class X<T1, T2> extends C<A<A<B<T1>>>, A<B<T2>>> {}\n" +
" ^^\n" +
"Bound mismatch: The type T1 is not a valid substitute for the bounded parameter <T2 extends Number> of the type B<T2>\n" +
"----------\n" +
"2. ERROR in X.java (at line 4)\n" +
" class X<T1, T2> extends C<A<A<B<T1>>>, A<B<T2>>> {}\n" +
" ^^\n" +
"Bound mismatch: The type T2 is not a valid substitute for the bounded parameter <T2 extends Number> of the type B<T2>\n" +
"----------\n" +
"3. ERROR in X.java (at line 5)\n" +
" class Y<T> extends A<A<B<T>>> {}\n" +
" ^\n" +
"Bound mismatch: The type T is not a valid substitute for the bounded parameter <T2 extends Number> of the type B<T2>\n" +
"----------\n" +
"4. ERROR in X.java (at line 6)\n" +
" class Z<T> extends C<B<T>, A<B<T>>> {}\n" +
" ^\n" +
"Bound mismatch: The type T is not a valid substitute for the bounded parameter <T2 extends Number> of the type B<T2>\n" +
"----------\n" +
"5. ERROR in X.java (at line 6)\n" +
" class Z<T> extends C<B<T>, A<B<T>>> {}\n" +
" ^\n" +
"Bound mismatch: The type T is not a valid substitute for the bounded parameter <T2 extends Number> of the type B<T2>\n" +
"----------\n"
);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=273751
public void test1452() {
this.runNegativeTest(
new String[] {
"A.java",
"class A<T> {}\n" +
"class B extends A<B.Secret> {\n" +
" private class Secret {};\n" +
" B.Secret s;\n" +
" A<B.Secret> a;\n" +
"}\n" +
"class C extends B.Secret {}\n" +
"class D {\n" +
" class M { private class Secret {}; }\n" +
" class N extends A<M.Secret> {}\n" +
"}\n" +
"class E {\n" +
" class M extends A<M.Secret> {\n" +
" private class Secret {};\n" +
" }\n" +
"}"
},
"----------\n" +
"1. ERROR in A.java (at line 2)\n" +
" class B extends A<B.Secret> {\n" +
" ^^^^^^^^\n" +
"The type B.Secret is not visible\n" +
"----------\n" +
"2. ERROR in A.java (at line 7)\n" +
" class C extends B.Secret {}\n" +
" ^^^^^^^^\n" +
"The type B.Secret is not visible\n" +
"----------\n"
);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=278305
public void test1453() {
this.runNegativeTest(
new String[] {
"X.java",
"class X {\n" +
" I<?> i = new I<?>() {};\n" +
"}\n" +
"class Y implements I<?> {}\n" +
"interface I<T> {}"
},
"----------\n" +
"1. ERROR in X.java (at line 2)\n" +
" I<?> i = new I<?>() {};\n" +
" ^\n" +
"The type new I(){} cannot extend or implement I<?>. A supertype may not specify any wildcard\n" +
"----------\n" +
"2. ERROR in X.java (at line 4)\n" +
" class Y implements I<?> {}\n" +
" ^\n" +
"The type Y cannot extend or implement I<?>. A supertype may not specify any wildcard\n" +
"----------\n"
);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=289538
public void test1454() {
this.runConformTest(
new String[] {
"X.java",
"public class X<T> {\n" +
" Node first;\n" +
" public void add(T e) {\n" +
" first = new Node(e);\n" +
" System.out.print(true);\n" +
" }\n" +
" private class Node {\n" +
" private Node next;\n" +
" private Node(T d) {}\n" +
" private Node(T d, Node n) { next = n; }\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" X<String> x = new X<String>();\n" +
" x.add(\"\");\n" +
" }\n" +
"}"
},
"true"
);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=287607
public void test1455() {
this.runNegativeTest(
new String[] {
"Outer.java",
"public class Outer<E> {\n" +
" Inner inner;\n" +
" class Inner {\n" +
" E e;\n" +
" E getOtherElement(Object other) {\n" +
" if (!(other instanceof Outer<?>.Inner))\n" +
" throw new IllegalArgumentException(String.valueOf(other));\n" +
" Inner that = (Inner) other;\n" +
" return that.e;\n" +
" }\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" Outer<String> s = new Outer<String>();\n" +
" s.inner = s.new Inner();\n" +
" s.inner.e = \"hello\";\n" +
" Outer<Integer> i = new Outer<Integer>();\n" +
" i.inner = i.new Inner();\n" +
" i.inner.e = 1234;\n" +
" s.inner.getOtherElement(i.inner);\n" +
" }\n" +
"}"
},
"----------\n" +
"1. WARNING in Outer.java (at line 8)\n" +
" Inner that = (Inner) other;\n" +
" ^^^^^^^^^^^^^\n" +
"Type safety: Unchecked cast from Object to Outer<E>.Inner\n" +
"----------\n"
);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=292428
public void test1456() {
this.runConformTest(
new String[] {
"X.java",
"import java.util.ArrayList;\n" +
"\n" +
"public class X<K,V> {\n" +
" interface E<V> {}\n" +
" class S implements E<V> {\n" +
" V value;\n" +
" }\n" +
" class M implements E<V> {\n" +
" ArrayList<V> list = new ArrayList<V>();\n" +
" M(E<V> se) {\n" +
" list.add(((S)se).value);\n" +
" }\n" +
" }\n" +
"}"
},
""
);
}
// Test to verify that partial types in a parameterized qualified reference are
// demarcated correctly while annotating an arity problem in case of wrong number of arguments.
// Related to https://bugs.eclipse.org/bugs/show_bug.cgi?id=292510
public void test1457() {
this.runNegativeTest(
new String[] {
"test/X.java",
"package test;\n" +
"// Valid Parameterized Type Declaration\n" +
"public class X<A1, A2> {\n" +
" public class Y<A3,A4,A5> {\n" +
" public class Z<A6> {\n" +
" }\n" +
" }\n" +
"}\n" +
"// Invalid Valid Type Syntax (too many parameters)\n" +
"class Y {\n" +
" X<String, Number>.Y<String,Integer>.Z<String> x;\n" +
"}\n"
},
"----------\n" +
"1. ERROR in test\\X.java (at line 11)\n" +
" X<String, Number>.Y<String,Integer>.Z<String> x;\n" +
" ^^^^^^^^^^^^^^^^^^^\n" +
"Incorrect number of arguments for type X<String,Number>.Y; it cannot be parameterized with arguments <String, Integer>\n" +
"----------\n"
);
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=285002 (visibility error for package private method)
public void test1458() {
this.runNegativeTest(
new String[] {
"CompilerBug.java",
"public class CompilerBug {\n" +
" public <T> T newInstance( Class<T> c ) throws InstantiationException, IllegalAccessException {\n" +
" return c.newInstance();\n" +
" }\n" +
" protected void protectedMethod() {}\n" +
" void packagePrivateMethod() {}\n" +
" private void privateMethod() {}\n" +
" private int privateInt = 0;\n" +
" int packagePrivateInt = 0;\n" +
" protected int protectedInt = 0;\n" +
" private void isThisBuggy() throws InstantiationException, IllegalAccessException {\n" +
" CompilerBug c = getClass().newInstance();\n" +
" c.privateMethod();\n" +
" c.packagePrivateMethod();\n" +
" c.protectedMethod();\n" +
" getClass().newInstance().packagePrivateMethod();\n" +
" getClass().newInstance().privateMethod();\n" +
" getClass().newInstance().protectedMethod();\n" +
" getClass().newInstance().privateInt = 10;\n" +
" getClass().newInstance().packagePrivateInt = 10;\n" +
" getClass().newInstance().protectedInt = 10;\n" +
" Zork z;\n" +
" }\n" +
" }\n",
},
this.complianceLevel <= ClassFileConstants.JDK1_6 ?
"----------\n" +
"1. ERROR in CompilerBug.java (at line 22)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n" :
// see https://bugs.eclipse.org/bugs/show_bug.cgi?id=334622
"----------\n" +
"1. ERROR in CompilerBug.java (at line 17)\n" +
" getClass().newInstance().privateMethod();\n" +
" ^^^^^^^^^^^^^\n" +
"The method privateMethod() from the type CompilerBug is not visible\n" +
"----------\n" +
"2. ERROR in CompilerBug.java (at line 19)\n" +
" getClass().newInstance().privateInt = 10;\n" +
" ^^^^^^^^^^\n" +
"The field CompilerBug.privateInt is not visible\n" +
"----------\n" +
"3. ERROR in CompilerBug.java (at line 22)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n"
);
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=295698
public void test1459() {
this.runConformTest(
new String[] {
"B.java",
"import java.util.Collection;\n" +
"public class B extends X<Collection<?>> {\n" +
" public B(Collection<X<?>> c, I i) {\n" +
" super(c, i);\n" +
" }\n" +
"}",
"I.java",
"public interface I<T>{}",
"X.java",
"public class X<T> {\n" +
" public <V extends T> X(V v, I<T> i, Object... o) {}\n" +
"}"
},
""); // no specific success output string
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=277643
// SHOULD FAIL AT 1.8 (18.2.3): The method get(Class<W>, T) in the type Test is not applicable for the arguments (Class<Test.W_Description>, Object)
// FIXME: javac rejects (correctly? how?), see http://mail.openjdk.java.net/pipermail/lambda-spec-experts/2013-December/000443.html
public void test277643() {
this.runNegativeTest(
false /* skipJavac */,
this.complianceLevel < ClassFileConstants.JDK1_8 ? null :
JavacTestOptions.EclipseHasABug.EclipseBug428061,
new String[] {
"Test.java",
"public class Test {\n" +
"public final void addShortDescription(Object object, StringBuffer buf) {\n" +
" try {\n" +
" W_Description wdescription = get(W_Description.class, object);\n" +
" } catch (Exception e) {\n" +
" }\n" +
"}\n" +
"public abstract class W_Description<WRAPPED> extends WrapperLogic<WRAPPED> {}\n" +
"public <T, W extends WrapperLogic<? super T>> W get(Class<W> wrapperClass, T entity) {\n" +
" return getLogicFactory().get(wrapperClass, entity);\n" +
"}\n" +
"private LogicFactory logicFactory;\n" +
"public final LogicFactory getLogicFactory() {\n" +
" return logicFactory;\n" +
"}\n" +
"public interface LogicFactory {\n" +
" <LOGIC extends Logic> LOGIC get(Class<LOGIC> logicClass);\n" +
" <WRAPPED, WRAPPER_LOGIC extends WrapperLogic<? super WRAPPED>> WRAPPER_LOGIC get(Class<WRAPPER_LOGIC> wrapperLogicClass, WRAPPED entityToWrap);\n" +
"}\n" +
"public abstract class WrapperLogic<WRAPPED> extends AbstractLogic implements Wrapper<WRAPPED> {}\n" +
"public abstract class AbstractLogic {}\n" +
"public interface Wrapper<WRAPPED> {\n" +
" WRAPPED getWrapped();\n" +
"}\n" +
"public abstract class Logic extends AbstractLogic {}\n" +
"}"
},
"----------\n" +
"1. WARNING in Test.java (at line 4)\n" +
" W_Description wdescription = get(W_Description.class, object);\n" +
" ^^^^^^^^^^^^^\n" +
"Test.W_Description is a raw type. References to generic type Test.W_Description<WRAPPED> should be parameterized\n" +
"----------\n" +
"2. WARNING in Test.java (at line 4)\n" +
" W_Description wdescription = get(W_Description.class, object);\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked invocation get(Class<Test.W_Description>, Object) of the generic method get(Class<W>, T) of type Test\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=280054
// SHOULD FAIL AT 1.8 (18.2.3): The method get(Class<V>, Class<S>) in the type X.L is not applicable for the arguments (Class<V>, Class<X.B>)
public void test280054() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
"static class A<V> {\n" +
"L l;\n" +
"public Class<V> vtype() {\n" +
" return null;\n" +
"}\n" +
"public A<V> method1() {\n" +
" return l.get(vtype(), B.class);\n" +
"}\n" +
"}\n" +
"static class L {\n" +
"public <V,S extends A<V>> S get(Class<V> vtype, Class<S> stype) {\n" +
" return null;\n" +
"}\n" +
"}\n" +
"static class B<V> extends A<V> {\n" +
"public B<V> method2() {\n" +
" return l.get(vtype(), B.class);\n" +
"}\n" +
"}\n" +
"}\n"
},
"----------\n" +
"1. WARNING in X.java (at line 8)\n" +
" return l.get(vtype(), B.class);\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked invocation get(Class<V>, Class<X.B>) of the generic method get(Class<V>, Class<S>) of type X.L\n" +
"----------\n" +
"2. WARNING in X.java (at line 8)\n" +
" return l.get(vtype(), B.class);\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: The expression of type X.B needs unchecked conversion to conform to X.A<V>\n" +
"----------\n" +
"3. WARNING in X.java (at line 18)\n" +
" return l.get(vtype(), B.class);\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked invocation get(Class<V>, Class<X.B>) of the generic method get(Class<V>, Class<S>) of type X.L\n" +
"----------\n" +
"4. WARNING in X.java (at line 18)\n" +
" return l.get(vtype(), B.class);\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: The expression of type X.B needs unchecked conversion to conform to X.B<V>\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=283306
// SHOULD FAIL AT 1.8 (18.2.3): The method get(Class<V>, Class<S>) in the type X.L is not applicable for the arguments (Class<V>, Class<X.B>)
// FIXME: javac rejects (correctly? how?), see http://mail.openjdk.java.net/pipermail/lambda-spec-experts/2013-December/000443.html
public void test283306() {
this.runNegativeTest(
false /* skipJavac */,
this.complianceLevel < ClassFileConstants.JDK1_8 ? null :
JavacTestOptions.EclipseHasABug.EclipseBug428061,
new String[] {
"Test.java",
"public class Test {\n" +
" public WWorkflow<? extends Workflow> getMainWorkflow(){\n" +
" return get(WWorkflow.class, null);\n" +
" }\n" +
" public <T, W extends WrapperLogic<? super T>> W get(Class<W> wrapperClass, T entity) {\n" +
" return null;\n" +
" }\n" +
"}\n" +
"class Workflow {}\n" +
"class WWorkflow<T extends Workflow> extends WrapperLogic<T> {}\n" +
"abstract class WrapperLogic<WRAPPED> {}\n"
},
"----------\n" +
"1. WARNING in Test.java (at line 3)\n" +
" return get(WWorkflow.class, null);\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked invocation get(Class<WWorkflow>, null) of the generic method get(Class<W>, T) of type Test\n" +
"----------\n" +
"2. WARNING in Test.java (at line 3)\n" +
" return get(WWorkflow.class, null);\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: The expression of type WWorkflow needs unchecked conversion to conform to WWorkflow<? extends Workflow>\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=294724
// Test extracted from bug submission code by kabir.khan@jboss.com (Kabir Khan)
// SHOULD FAIL AT 1.8 (18.2.3): The method cloneCollection(T, Class<? extends T>, Class<U>) in the type SimpleExample is not applicable for the arguments (Set<SimpleExample.Data>, Class<HashSet>, Class<SimpleExample.Data>)
public void test294724() {
this.runNegativeTest(
new String[] {
"SimpleExample.java",
"import java.util.Collection;\n" +
"import java.util.HashSet;\n" +
"import java.util.Set;\n" +
"public class SimpleExample {\n" +
" Set<Data> data;\n" +
" public void setData(Set<Data> data) {\n" +
" this.data = data;\n" +
" }\n" +
" public void copy(SimpleExample clone) {\n" +
" clone.setData(cloneCollection(data, HashSet.class, Data.class));\n" +
" }\n" +
" public static <U extends Interface, T extends Collection<U>> T cloneCollection(T collection, Class<? extends T> expectedClass, Class<U> componentType) {\n" +
" return null;\n" +
" }\n" +
" private interface Interface {}\n" +
" private class Data implements Interface {}\n" +
"}"
},
"----------\n" +
"1. WARNING in SimpleExample.java (at line 10)\n" +
" clone.setData(cloneCollection(data, HashSet.class, Data.class));\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked invocation cloneCollection(Set<SimpleExample.Data>, Class<HashSet>, Class<SimpleExample.Data>) of the generic method cloneCollection(T, Class<? extends T>, Class<U>) of type SimpleExample\n" +
"----------\n" +
"2. WARNING in SimpleExample.java (at line 10)\n" +
" clone.setData(cloneCollection(data, HashSet.class, Data.class));\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: The expression of type Set needs unchecked conversion to conform to Set<SimpleExample.Data>\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=268798
// SHOULD FAIL AT 1.8 (18.2.3): The method min(Collection<? extends T>) in the type Collections is not applicable for the arguments (List<GenericDemo.A>)
public void test268798() {
this.runNegativeTest(
new String[] {
"GenericDemo.java",
"import java.util.Collections;\n" +
"import java.util.List;\n" +
"public class GenericDemo {\n" +
" static class A implements Comparable {\n" +
" public int compareTo(Object o) {\n" +
" return 0;\n" +
" }\n" +
" }\n" +
" void someCode(List<A> list) {\n" +
" A min = Collections.min(list); \n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. WARNING in GenericDemo.java (at line 4)\n" +
" static class A implements Comparable {\n" +
" ^^^^^^^^^^\n" +
"Comparable is a raw type. References to generic type Comparable<T> should be parameterized\n" +
"----------\n" +
"2. WARNING in GenericDemo.java (at line 10)\n" +
" A min = Collections.min(list); \n" +
" ^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: Unchecked invocation min(List<GenericDemo.A>) of the generic method min(Collection<? extends T>) of type Collections\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=268798
// SHOULD FAIL AT 1.8 (18.2.3): Type mismatch: cannot convert from Bug268798.SomeInterface<? super Bug268798.SomeInterface<T>> to Bug268798.A
public void test268798a() {
this.runNegativeTest(
new String[] {
"Bug268798.java",
"public class Bug268798 {\n" +
" interface SomeInterface<T> {\n" +
" }\n" +
" class A implements SomeInterface {\n" +
" }\n" +
" <T extends SomeInterface<? super T>> T someMethod() {\n" +
" return null;\n" +
" }\n" +
" void someCode() {\n" +
" A a = someMethod();\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. WARNING in Bug268798.java (at line 4)\n" +
" class A implements SomeInterface {\n" +
" ^^^^^^^^^^^^^\n" +
"Bug268798.SomeInterface is a raw type. References to generic type Bug268798.SomeInterface<T> should be parameterized\n" +
"----------\n" +
"2. WARNING in Bug268798.java (at line 10)\n" +
" A a = someMethod();\n" +
" ^^^^^^^^^^^^\n" +
"Type safety: Unchecked invocation someMethod() of the generic method someMethod() of type Bug268798\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=307885
public void test1460() {
this.runNegativeTest(
new String[] {
"Test.java",
"class Test<A> {\n" +
" interface MyInt<K> {\n" +
" K getKey();\n" +
" }\n" +
" class MyEntry implements MyInt<A> {\n" +
" public A getKey() { return null; }\n" +
" @Override\n" +
" public boolean equals(Object o) {\n" +
" if(!(o instanceof MyEntry))\n" +
" return false;\n" +
" return true;\n" +
" }\n" +
" }\n" +
"}"
},
"----------\n" +
"1. ERROR in Test.java (at line 9)\n" +
" if(!(o instanceof MyEntry))\n" +
" ^^^^^^^^^^^^^^^^^^^^^^\n" +
"Cannot perform instanceof check against parameterized type Test<A>.MyEntry. Use the form Test.MyEntry instead since further generic type information will be erased at runtime\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=306464
public void test1461() {
this.runNegativeTest(
new String[] {
"JoinImpl.java",
"import javax.persistence.criteria.Expression;\n" +
"import javax.persistence.criteria.Fetch;\n" +
"import javax.persistence.criteria.From;\n" +
"import javax.persistence.criteria.Join;\n" +
"import javax.persistence.criteria.JoinType;\n" +
"import javax.persistence.criteria.Path;\n" +
"import javax.persistence.metamodel.Attribute;\n" +
"import javax.persistence.metamodel.Bindable;\n" +
"import javax.persistence.metamodel.ManagedType;\n" +
"import javax.persistence.metamodel.Metamodel;\n" +
"public class JoinImpl<Z, X> extends FromImpl<Z, X> implements Join<Z, X>, Fetch<Z, X> {\n" +
"}",
"FromImpl.java",
"import java.util.ArrayList;\n" +
"import java.util.HashSet;\n" +
"import java.util.List;\n" +
"import java.util.Set;\n" +
"import java.util.Stack;\n" +
"\n" +
"import javax.persistence.criteria.CollectionJoin;\n" +
"import javax.persistence.criteria.Expression;\n" +
"import javax.persistence.criteria.Fetch;\n" +
"import javax.persistence.criteria.From;\n" +
"import javax.persistence.criteria.Join;\n" +
"import javax.persistence.criteria.JoinType;\n" +
"import javax.persistence.criteria.ListJoin;\n" +
"import javax.persistence.criteria.MapJoin;\n" +
"import javax.persistence.criteria.Path;\n" +
"import javax.persistence.criteria.SetJoin;\n" +
"import javax.persistence.metamodel.Attribute;\n" +
"import javax.persistence.metamodel.Bindable;\n" +
"import javax.persistence.metamodel.CollectionAttribute;\n" +
"import javax.persistence.metamodel.ListAttribute;\n" +
"import javax.persistence.metamodel.ManagedType;\n" +
"import javax.persistence.metamodel.MapAttribute;\n" +
"import javax.persistence.metamodel.Metamodel;\n" +
"import javax.persistence.metamodel.PluralAttribute;\n" +
"import javax.persistence.metamodel.SingularAttribute;\n" +
"import javax.persistence.metamodel.Attribute.PersistentAttributeType;\n" +
"import javax.persistence.metamodel.PluralAttribute.CollectionType;\n" +
"import javax.persistence.metamodel.Type.PersistenceType;\n" +
"\n" +
"import org.eclipse.persistence.internal.helper.ClassConstants;\n" +
"import org.eclipse.persistence.internal.localization.ExceptionLocalization;\n" +
"\n" +
"public class FromImpl<Z, X> extends PathImpl<X> implements javax.persistence.criteria.From<Z, X> {\n" +
"\n" +
" protected Set<Join<X, ?>> joins;\n" +
" \n" +
" public Set<Join<X, ?>> getJoins() {\n" +
" return joins;\n" +
" }\n" +
"\n" +
" public void findJoins(AbstractQueryImpl query){\n" +
" Stack stack = new Stack();\n" +
" stack.push(this);\n" +
" while(!stack.isEmpty()){\n" +
" FromImpl currentJoin = (FromImpl) stack.pop();\n" +
" stack.addAll(currentJoin.getJoins());\n" +
" if (currentJoin.isLeaf){\n" +
" query.addJoin(currentJoin);\n" +
" }\n" +
" }\n" +
" }\n" +
"}"
},
"----------\n" +
"1. ERROR in JoinImpl.java (at line 1)\n" +
" import javax.persistence.criteria.Expression;\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"The import javax.persistence cannot be resolved\n" +
"----------\n" +
"2. ERROR in JoinImpl.java (at line 2)\n" +
" import javax.persistence.criteria.Fetch;\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"The import javax.persistence cannot be resolved\n" +
"----------\n" +
"3. ERROR in JoinImpl.java (at line 3)\n" +
" import javax.persistence.criteria.From;\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"The import javax.persistence cannot be resolved\n" +
"----------\n" +
"4. ERROR in JoinImpl.java (at line 4)\n" +
" import javax.persistence.criteria.Join;\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"The import javax.persistence cannot be resolved\n" +
"----------\n" +
"5. ERROR in JoinImpl.java (at line 5)\n" +
" import javax.persistence.criteria.JoinType;\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"The import javax.persistence cannot be resolved\n" +
"----------\n" +
"6. ERROR in JoinImpl.java (at line 6)\n" +
" import javax.persistence.criteria.Path;\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"The import javax.persistence cannot be resolved\n" +
"----------\n" +
"7. ERROR in JoinImpl.java (at line 7)\n" +
" import javax.persistence.metamodel.Attribute;\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"The import javax.persistence cannot be resolved\n" +
"----------\n" +
"8. ERROR in JoinImpl.java (at line 8)\n" +
" import javax.persistence.metamodel.Bindable;\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"The import javax.persistence cannot be resolved\n" +
"----------\n" +
"9. ERROR in JoinImpl.java (at line 9)\n" +
" import javax.persistence.metamodel.ManagedType;\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"The import javax.persistence cannot be resolved\n" +
"----------\n" +
"10. ERROR in JoinImpl.java (at line 10)\n" +
" import javax.persistence.metamodel.Metamodel;\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"The import javax.persistence cannot be resolved\n" +
"----------\n" +
"11. ERROR in JoinImpl.java (at line 11)\n" +
" public class JoinImpl<Z, X> extends FromImpl<Z, X> implements Join<Z, X>, Fetch<Z, X> {\n" +
" ^^^^\n" +
"Join cannot be resolved to a type\n" +
"----------\n" +
"12. ERROR in JoinImpl.java (at line 11)\n" +
" public class JoinImpl<Z, X> extends FromImpl<Z, X> implements Join<Z, X>, Fetch<Z, X> {\n" +
" ^^^^^\n" +
"Fetch cannot be resolved to a type\n" +
"----------\n" +
"----------\n" +
"1. ERROR in FromImpl.java (at line 7)\n" +
" import javax.persistence.criteria.CollectionJoin;\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"The import javax.persistence cannot be resolved\n" +
"----------\n" +
"2. ERROR in FromImpl.java (at line 8)\n" +
" import javax.persistence.criteria.Expression;\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"The import javax.persistence cannot be resolved\n" +
"----------\n" +
"3. ERROR in FromImpl.java (at line 9)\n" +
" import javax.persistence.criteria.Fetch;\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"The import javax.persistence cannot be resolved\n" +
"----------\n" +
"4. ERROR in FromImpl.java (at line 10)\n" +
" import javax.persistence.criteria.From;\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"The import javax.persistence cannot be resolved\n" +
"----------\n" +
"5. ERROR in FromImpl.java (at line 11)\n" +
" import javax.persistence.criteria.Join;\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"The import javax.persistence cannot be resolved\n" +
"----------\n" +
"6. ERROR in FromImpl.java (at line 12)\n" +
" import javax.persistence.criteria.JoinType;\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"The import javax.persistence cannot be resolved\n" +
"----------\n" +
"7. ERROR in FromImpl.java (at line 13)\n" +
" import javax.persistence.criteria.ListJoin;\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"The import javax.persistence cannot be resolved\n" +
"----------\n" +
"8. ERROR in FromImpl.java (at line 14)\n" +
" import javax.persistence.criteria.MapJoin;\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"The import javax.persistence cannot be resolved\n" +
"----------\n" +
"9. ERROR in FromImpl.java (at line 15)\n" +
" import javax.persistence.criteria.Path;\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"The import javax.persistence cannot be resolved\n" +
"----------\n" +
"10. ERROR in FromImpl.java (at line 16)\n" +
" import javax.persistence.criteria.SetJoin;\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"The import javax.persistence cannot be resolved\n" +
"----------\n" +
"11. ERROR in FromImpl.java (at line 17)\n" +
" import javax.persistence.metamodel.Attribute;\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"The import javax.persistence cannot be resolved\n" +
"----------\n" +
"12. ERROR in FromImpl.java (at line 18)\n" +
" import javax.persistence.metamodel.Bindable;\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"The import javax.persistence cannot be resolved\n" +
"----------\n" +
"13. ERROR in FromImpl.java (at line 19)\n" +
" import javax.persistence.metamodel.CollectionAttribute;\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"The import javax.persistence cannot be resolved\n" +
"----------\n" +
"14. ERROR in FromImpl.java (at line 20)\n" +
" import javax.persistence.metamodel.ListAttribute;\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"The import javax.persistence cannot be resolved\n" +
"----------\n" +
"15. ERROR in FromImpl.java (at line 21)\n" +
" import javax.persistence.metamodel.ManagedType;\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"The import javax.persistence cannot be resolved\n" +
"----------\n" +
"16. ERROR in FromImpl.java (at line 22)\n" +
" import javax.persistence.metamodel.MapAttribute;\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"The import javax.persistence cannot be resolved\n" +
"----------\n" +
"17. ERROR in FromImpl.java (at line 23)\n" +
" import javax.persistence.metamodel.Metamodel;\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"The import javax.persistence cannot be resolved\n" +
"----------\n" +
"18. ERROR in FromImpl.java (at line 24)\n" +
" import javax.persistence.metamodel.PluralAttribute;\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"The import javax.persistence cannot be resolved\n" +
"----------\n" +
"19. ERROR in FromImpl.java (at line 25)\n" +
" import javax.persistence.metamodel.SingularAttribute;\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"The import javax.persistence cannot be resolved\n" +
"----------\n" +
"20. ERROR in FromImpl.java (at line 26)\n" +
" import javax.persistence.metamodel.Attribute.PersistentAttributeType;\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"The import javax.persistence cannot be resolved\n" +
"----------\n" +
"21. ERROR in FromImpl.java (at line 27)\n" +
" import javax.persistence.metamodel.PluralAttribute.CollectionType;\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"The import javax.persistence cannot be resolved\n" +
"----------\n" +
"22. ERROR in FromImpl.java (at line 28)\n" +
" import javax.persistence.metamodel.Type.PersistenceType;\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"The import javax.persistence cannot be resolved\n" +
"----------\n" +
"23. ERROR in FromImpl.java (at line 30)\n" +
" import org.eclipse.persistence.internal.helper.ClassConstants;\n" +
" ^^^^^^^^^^^\n" +
"The import org.eclipse cannot be resolved\n" +
"----------\n" +
"24. ERROR in FromImpl.java (at line 31)\n" +
" import org.eclipse.persistence.internal.localization.ExceptionLocalization;\n" +
" ^^^^^^^^^^^\n" +
"The import org.eclipse cannot be resolved\n" +
"----------\n" +
"25. ERROR in FromImpl.java (at line 33)\n" +
" public class FromImpl<Z, X> extends PathImpl<X> implements javax.persistence.criteria.From<Z, X> {\n" +
" ^^^^^^^^\n" +
"PathImpl cannot be resolved to a type\n" +
"----------\n" +
"26. ERROR in FromImpl.java (at line 33)\n" +
" public class FromImpl<Z, X> extends PathImpl<X> implements javax.persistence.criteria.From<Z, X> {\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"javax.persistence cannot be resolved to a type\n" +
"----------\n" +
"27. ERROR in FromImpl.java (at line 35)\n" +
" protected Set<Join<X, ?>> joins;\n" +
" ^^^^\n" +
"Join cannot be resolved to a type\n" +
"----------\n" +
"28. ERROR in FromImpl.java (at line 37)\n" +
" public Set<Join<X, ?>> getJoins() {\n" +
" ^^^^\n" +
"Join cannot be resolved to a type\n" +
"----------\n" +
"29. ERROR in FromImpl.java (at line 38)\n" +
" return joins;\n" +
" ^^^^^\n" +
"Join cannot be resolved to a type\n" +
"----------\n" +
"30. ERROR in FromImpl.java (at line 41)\n" +
" public void findJoins(AbstractQueryImpl query){\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"AbstractQueryImpl cannot be resolved to a type\n" +
"----------\n" +
"31. WARNING in FromImpl.java (at line 42)\n" +
" Stack stack = new Stack();\n" +
" ^^^^^\n" +
"Stack is a raw type. References to generic type Stack<E> should be parameterized\n" +
"----------\n" +
"32. WARNING in FromImpl.java (at line 42)\n" +
" Stack stack = new Stack();\n" +
" ^^^^^\n" +
"Stack is a raw type. References to generic type Stack<E> should be parameterized\n" +
"----------\n" +
"33. WARNING in FromImpl.java (at line 43)\n" +
" stack.push(this);\n" +
" ^^^^^^^^^^^^^^^^\n" +
"Type safety: The method push(Object) belongs to the raw type Stack. References to generic type Stack<E> should be parameterized\n" +
"----------\n" +
"34. WARNING in FromImpl.java (at line 45)\n" +
" FromImpl currentJoin = (FromImpl) stack.pop();\n" +
" ^^^^^^^^\n" +
"FromImpl is a raw type. References to generic type FromImpl<Z,X> should be parameterized\n" +
"----------\n" +
"35. WARNING in FromImpl.java (at line 45)\n" +
" FromImpl currentJoin = (FromImpl) stack.pop();\n" +
" ^^^^^^^^\n" +
"FromImpl is a raw type. References to generic type FromImpl<Z,X> should be parameterized\n" +
"----------\n" +
"36. WARNING in FromImpl.java (at line 46)\n" +
" stack.addAll(currentJoin.getJoins());\n" +
" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" +
"Type safety: The method addAll(Collection) belongs to the raw type Vector. References to generic type Vector<E> should be parameterized\n" +
"----------\n" +
"37. ERROR in FromImpl.java (at line 47)\n" +
" if (currentJoin.isLeaf){\n" +
" ^^^^^^\n" +
"isLeaf cannot be resolved or is not a field\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=316889
public void test1462() {
this.runNegativeTest(
new String[] {
"AnotherClass.java",
"public class AnotherClass<I extends IRecursiveInterface<? super I>> {}\n" +
"class ImplementingClass implements IRecursiveInterface<IReferencedInterface>, IReferencedInterface {\n" +
" private AnotherClass<IReferencedInterface> m_var;\n" +
" public void setAnother(final AnotherClass<? extends IReferencedInterface> a) {\n" +
" m_var = a;\n" +
" }\n" +
"}\n" +
"interface IRecursiveInterface<I extends IRecursiveInterface<? super I>> {\n" +
" void setAnother(final AnotherClass<? extends I> a);\n" +
"}\n" +
"interface IReferencedInterface extends IRecursiveInterface<IReferencedInterface> {}\n"
},
"----------\n" +
"1. ERROR in AnotherClass.java (at line 5)\n" +
" m_var = a;\n" +
" ^\n" +
"Type mismatch: cannot convert from AnotherClass<capture#1-of ? extends IReferencedInterface> to AnotherClass<IReferencedInterface>\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=314556
public void test1463() {
this.runNegativeTest(
new String[] {
"BaseType.java",
"public interface BaseType {\n" +
" BaseType clone() throws CloneNotSupportedException;\n" +
"}\n" +
"interface SubType<T extends BaseType & java.io.Closeable> extends BaseType {\n" +
"}\n"
},
"----------\n" +
"1. ERROR in BaseType.java (at line 4)\n" +
" interface SubType<T extends BaseType & java.io.Closeable> extends BaseType {\n" +
" ^\n" +
"The inherited method Object.clone() cannot hide the public abstract method in BaseType\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=319603
public void test1464() {
this.runNegativeTest(
new String[] {
"X.java",
"import java.util.Collection;\n" +
"import java.util.Set;\n" +
"\n" +
"public class X {\n" +
"\n" +
" public <T> Collection<T> m(Collection<T> a) {\n" +
" return null;\n" +
" }\n" +
" public <T> Set<T> m(Set<T> a) {\n" +
" return m(a); \n" +
" }\n" +
" Zork z;\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 12)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=320275
public void _test1465() {
this.runConformTest(
new String[] {
"AbstractSubClass.java",
"public abstract class AbstractSubClass extends AbstractClass {}",
},
new String[] {
"AbstractClass.java",
"public abstract class AbstractClass implements BaseInterface {}",
"AbstractSubClass.java",
"public abstract class AbstractSubClass extends AbstractClass {}",
"BaseInterface.java",
"public interface BaseInterface extends GenericInterface<ConcreteClass> {}",
"ConcreteClass.java",
"public class ConcreteClass extends AbstractSubClass {}",
"GenericInterface.java",
"public interface GenericInterface<T> {}",
},
"");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=320463
public void test1466() {
this.runNegativeTest(
new String[] {
"Outer.java",
"public class Outer<T> {\n"+
" class Cell {\n"+
" final T value;\n"+
" Cell(T value) {\n"+
" this.value = value;\n"+
" }\n"+
" }\n"+
" Class<Outer<T>.Cell> cellClass = Cell.class;\n"+
" {\n"+
" this.cellClass = Cell.class;\n"+
" this.cellClass = Outer.Cell.class;\n"+
" }\n"+
" public static void main(String[] args) {\n"+
" Outer<Integer>.Cell intCell = new Outer<Integer>().new Cell(314);\n"+
" Outer<String>.Cell strCell = new Outer<String>().cellClass.cast(intCell);\n"+
" String val = strCell.value; // ClassCastException\n"+
" System.out.println(val);\n"+
" }\n"+
"}\n"
},
"----------\n" +
"1. ERROR in Outer.java (at line 8)\n" +
" Class<Outer<T>.Cell> cellClass = Cell.class;\n" +
" ^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Class<Outer.Cell> to Class<Outer<T>.Cell>\n" +
"----------\n" +
"2. ERROR in Outer.java (at line 10)\n" +
" this.cellClass = Cell.class;\n" +
" ^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Class<Outer.Cell> to Class<Outer<T>.Cell>\n" +
"----------\n" +
"3. ERROR in Outer.java (at line 11)\n" +
" this.cellClass = Outer.Cell.class;\n" +
" ^^^^^^^^^^^^^^^^\n" +
"Type mismatch: cannot convert from Class<Outer.Cell> to Class<Outer<T>.Cell>\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=312076
public void test1467() {
this.runNegativeTest(
new String[] {
"X.java",
"public class X<T> { \n" +
" public abstract static class Base<S extends Base<S>> {\n" +
" public Base(Class<S> sClass) {\n" +
" Class<S> theClass = sClass;\n" +
" System.out.println(theClass);\n" +
" System.out.println(sClass);\n" +
" }\n" +
" }\n" +
" public class Arr extends Base<Arr> {\n" +
" public Arr() { \n" +
" super(Arr.class);\n" +
" System.out.println(Arr.class);\n" +
" }\n" +
" }\n" +
" public static void main(String[] args) {\n" +
" X<Integer> x = new X<Integer>();\n" +
" X<Integer>.Arr a = x.new Arr();\n" +
" System.out.println(a);\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 11)\n" +
" super(Arr.class);\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"The constructor X.Base<X<T>.Arr>(Class<X.Arr>) is undefined\n" +
"----------\n");
}
public void testBug401783() {
if (this.complianceLevel >= ClassFileConstants.JDK1_8)
runConformTest(
new String[] {
"X.java",
"import java.util.*;\n" +
"public class X {\n" +
" void foo() {\n" +
" Iterable<Iterable<Integer>> iterables = Arrays.asList(Arrays.asList(1,2,3,4),Arrays.asList(5,6,7));\n" +
" }\n" +
"}\n"
});
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=433989
public void testBug433989() {
this.runConformTest(
new String[] {
"A.java",
"class A<V> {\n" +
" public static class Container {\n" +
" public static class In<T> {\n" +
" public static class Inner<U> {}\n" +
" }\n" +
" public static <X> void doit() {\n" +
" new In.Inner<X>();\n" +
" }\n" +
" }\n" +
"}\n"
});
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=433989
public void testBug433989a() {
this.runNegativeTest(
new String[] {
"A.java",
"class A<V> {\n" +
" public static class Nested {\n" +
" public class In<U> {\n" +
" public class Inner<V> {}\n" +
" }\n" +
" public <X> void create() {\n" +
" new In.Inner<X>();\n" +
" }\n" +
" }\n" +
"}"
},
"----------\n" +
"1. ERROR in A.java (at line 7)\n" +
" new In.Inner<X>();\n" +
" ^^^^^^^^\n" +
"The member type A.Nested.In.Inner<X> must be qualified with a parameterized type, since it is not static\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=433989
public void testBug433989b() {
this.runNegativeTest(
new String[] {
"A.java",
"class A<V> {\n" +
" public class Nested {\n" +
" public class In<U> {\n" +
" public class Inner<W> {}\n" +
" }\n" +
" public <X> void create() {\n" +
" new In.Inner<X>();\n" +
" }\n" +
" }\n" +
"}"
},
"----------\n" +
"1. ERROR in A.java (at line 7)\n" +
" new In.Inner<X>();\n" +
" ^^\n" +
"The member type A<V>.Nested.In must be parameterized, since it is qualified with a parameterized type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=469201
public void testBug469201_A(){
this.runConformTest(
new String[]{
"T2.java",
"import java.util.*;\n" +
"\n" +
"class Bar { }\n" +
"\n" +
"class FooPrime extends Bar {\n" +
" void bar(Bar bar) { }\n" +
"}\n" +
"\n" +
"class Foo extends FooPrime { }\n" +
"\n" +
"public class T2 {\n" +
"\n" +
" public static void someMethod(List<? extends Foo> foos ) {\n" +
" Bar bar = new Bar(); \n" +
" foos.get(0).bar(bar);\n" +
" }\n" +
" public static void main(String... args) {\n" +
" List<Foo> foos = new ArrayList<Foo>();\n" +
" foos.add(new Foo());\n" +
" someMethod(foos);\n" +
" }\n" +
"}"
});
}
public void testBug469201_B(){
this.runNegativeTest(
new String[]{
"A.java",
"package bug469201.p1;\n" +
"public class A {\n" +
" void bar(Bar bar) { }\n" +
"}\n" +
"class Bar {}\n",
"D.java",
"package bug469201.p1;\n" +
"import java.util.ArrayList;\n" +
"import java.util.List;\n" +
"import bug469201.p2.B;\n" +
"public class D{\n" +
" public static void main(String... args) {\n" +
" List<? extends B> foos = new ArrayList<B>();\n" +
" Bar bar = new Bar();\n" +
" foos.get(0).bar(bar);\n" +
" }\n" +
"}",
"B.java",
"package bug469201.p2;\n" +
"import bug469201.p1.A;\n" +
"public class B extends A {}\n"
},
"----------\n" +
"1. ERROR in D.java (at line 9)\n" +
" foos.get(0).bar(bar);\n" +
" ^^^\n" +
"The method bar(Bar) from the type A is not visible\n" +
"----------\n");
}
public void testBug460491() {
if (this.complianceLevel >= ClassFileConstants.JDK1_7) {
Map customOptions = getCompilerOptions();
customOptions.put(CompilerOptions.OPTION_ReportRedundantSpecificationOfTypeArguments, CompilerOptions.WARNING);
this.runConformTest(
new String[] {
"A.java",
"class A {\n" +
" private static final B.C c = new B.D<Void>();\n" +
"}",
"B.java",
"class B<T> {\n" +
" public interface C {}\n" +
" public static class D<R> implements C {}\n" +
"}"
},
customOptions);
}
}
public void testBug492450_comment0() {
if (this.complianceLevel >= ClassFileConstants.JDK1_6) {
runConformTest(
new String[] {
"DocumentObject.java",
"\n" +
"import java.util.ArrayList;\n" +
"\n" +
"interface IDocumentElementNode {\n" +
" public ArrayList<?> getChildNodesList();\n" +
"}\n" +
"\n" +
"abstract class DocumentElementNode implements IDocumentElementNode {\n" +
" @Override\n" +
" public ArrayList<IDocumentElementNode> getChildNodesList() {\n" +
" return null;\n" +
" }\n" +
"}\n" +
"\n" +
"interface IDocumentObject extends IDocumentElementNode {\n" +
" public ArrayList<?> getChildNodesList(Class<?>[] classes, boolean match);\n" +
"}\n" +
"\n" +
"public abstract class DocumentObject extends DocumentElementNode implements IDocumentObject {\n" +
" @Override\n" +
" public ArrayList<IDocumentElementNode> getChildNodesList(Class<?>[] classes, boolean match) {\n" +
" return null;\n" +
" }\n" +
"}\n"
});
}
}
}