/*******************************************************************************
* Copyright (c) 2007, 2014 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
*******************************************************************************/
package org.eclipse.jdt.core.tests.compiler.regression;
import java.io.File;
import junit.framework.Test;
import org.eclipse.jdt.core.ToolFactory;
import org.eclipse.jdt.core.tests.util.Util;
import org.eclipse.jdt.core.util.ClassFileBytesDisassembler;
@SuppressWarnings({ "rawtypes" })
public class LineNumberAttributeTest extends AbstractRegressionTest {
public LineNumberAttributeTest(String name) {
super(name);
}
public static Test suite() {
return buildAllCompliancesTestSuite(testClass());
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=173800
public void test001() throws Exception {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" X next;\n" +
"\n" +
" X(X next) {\n" +
" this.next = next;\n" +
" }\n" +
"\n" +
" public static void main(String args[]) {\n" +
" try {\n" +
" X x = new X(new X(new X(null)));\n" +
" x.\n" +
" next.\n" +
" next.\n" +
" next.\n" +
" next.\n" +
" next.\n" +
" toString();\n" +
" } catch(NullPointerException e) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
" }\n" +
"}",
},
"SUCCESS");
ClassFileBytesDisassembler disassembler = ToolFactory.createDefaultClassFileBytesDisassembler();
byte[] classFileBytes = org.eclipse.jdt.internal.compiler.util.Util.getFileByteContent(new File(OUTPUT_DIR + File.separator +"X.class"));
String actualOutput =
disassembler.disassemble(
classFileBytes,
"\n",
ClassFileBytesDisassembler.DETAILED);
String expectedOutput =
" // Method descriptor #19 ([Ljava/lang/String;)V\n" +
" // Stack: 7, Locals: 2\n" +
" public static void main(java.lang.String[] args);\n" +
" 0 new X [1]\n" +
" 3 dup\n" +
" 4 new X [1]\n" +
" 7 dup\n" +
" 8 new X [1]\n" +
" 11 dup\n" +
" 12 aconst_null\n" +
" 13 invokespecial X(X) [20]\n" +
" 16 invokespecial X(X) [20]\n" +
" 19 invokespecial X(X) [20]\n" +
" 22 astore_1 [x]\n" +
" 23 aload_1 [x]\n" +
" 24 getfield X.next : X [13]\n" +
" 27 getfield X.next : X [13]\n" +
" 30 getfield X.next : X [13]\n" +
" 33 getfield X.next : X [13]\n" +
" 36 getfield X.next : X [13]\n" +
" 39 invokevirtual java.lang.Object.toString() : java.lang.String [22]\n" +
" 42 pop\n" +
" 43 goto 55\n" +
" 46 astore_1 [e]\n" +
" 47 getstatic java.lang.System.out : java.io.PrintStream [26]\n" +
" 50 ldc <String \"SUCCESS\"> [32]\n" +
" 52 invokevirtual java.io.PrintStream.println(java.lang.String) : void [34]\n" +
" 55 return\n" +
" Exception Table:\n" +
" [pc: 0, pc: 43] -> 46 when : java.lang.NullPointerException\n" +
" Line numbers:\n" +
" [pc: 0, line: 10]\n" +
" [pc: 23, line: 11]\n" +
" [pc: 24, line: 12]\n" +
" [pc: 27, line: 13]\n" +
" [pc: 30, line: 14]\n" +
" [pc: 33, line: 15]\n" +
" [pc: 36, line: 16]\n" +
" [pc: 39, line: 17]\n" +
" [pc: 43, line: 18]\n" +
" [pc: 47, line: 19]\n" +
" [pc: 55, line: 21]\n" +
" Local variable table:\n" +
" [pc: 0, pc: 56] local: args index: 0 type: java.lang.String[]\n" +
" [pc: 23, pc: 43] local: x index: 1 type: X\n" +
" [pc: 47, pc: 55] local: e index: 1 type: java.lang.NullPointerException\n";
int index = actualOutput.indexOf(expectedOutput);
if (index == -1 || expectedOutput.length() == 0) {
System.out.println(Util.displayString(actualOutput, 2));
}
if (index == -1) {
assertEquals("Wrong contents", expectedOutput, actualOutput);
}
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=173800
public void test002() throws Exception {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" X x;\n" +
"\n" +
" X next;\n" +
"\n" +
" X(X next) {\n" +
" this.next = next;\n" +
" }\n" +
"\n" +
" public static void main(String args[]) {\n" +
" X x = new X(new X(new X(null)));\n" +
" x.x = x;\n" +
" x.foo();\n" +
" }\n" +
"\n" +
" public void foo() {\n" +
" try {\n" +
" this.\n" +
" x.\n" +
" next.\n" +
" next.\n" +
" next.\n" +
" next.\n" +
" next.\n" +
" toString();\n" +
" } catch(NullPointerException e) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
" }\n" +
"}",
},
"SUCCESS");
ClassFileBytesDisassembler disassembler = ToolFactory.createDefaultClassFileBytesDisassembler();
byte[] classFileBytes = org.eclipse.jdt.internal.compiler.util.Util.getFileByteContent(new File(OUTPUT_DIR + File.separator +"X.class"));
String actualOutput =
disassembler.disassemble(
classFileBytes,
"\n",
ClassFileBytesDisassembler.DETAILED);
String expectedOutput =
" // Method descriptor #13 ()V\n" +
" // Stack: 2, Locals: 2\n" +
" public void foo();\n" +
" 0 aload_0 [this]\n" +
" 1 getfield X.x : X [23]\n" +
" 4 getfield X.next : X [14]\n" +
" 7 getfield X.next : X [14]\n" +
" 10 getfield X.next : X [14]\n" +
" 13 getfield X.next : X [14]\n" +
" 16 getfield X.next : X [14]\n" +
" 19 invokevirtual java.lang.Object.toString() : java.lang.String [30]\n" +
" 22 pop\n" +
" 23 goto 35\n" +
" 26 astore_1 [e]\n" +
" 27 getstatic java.lang.System.out : java.io.PrintStream [34]\n" +
" 30 ldc <String \"SUCCESS\"> [40]\n" +
" 32 invokevirtual java.io.PrintStream.println(java.lang.String) : void [42]\n" +
" 35 return\n" +
" Exception Table:\n" +
" [pc: 0, pc: 23] -> 26 when : java.lang.NullPointerException\n" +
" Line numbers:\n" +
" [pc: 0, line: 18]\n" +
" [pc: 1, line: 19]\n" +
" [pc: 4, line: 20]\n" +
" [pc: 7, line: 21]\n" +
" [pc: 10, line: 22]\n" +
" [pc: 13, line: 23]\n" +
" [pc: 16, line: 24]\n" +
" [pc: 19, line: 25]\n" +
" [pc: 23, line: 26]\n" +
" [pc: 27, line: 27]\n" +
" [pc: 35, line: 29]\n" +
" Local variable table:\n" +
" [pc: 0, pc: 36] local: this index: 0 type: X\n" +
" [pc: 27, pc: 35] local: e index: 1 type: java.lang.NullPointerException\n";
int index = actualOutput.indexOf(expectedOutput);
if (index == -1 || expectedOutput.length() == 0) {
System.out.println(Util.displayString(actualOutput, 2));
}
if (index == -1) {
assertEquals("Wrong contents", expectedOutput, actualOutput);
}
}
public static Class testClass() {
return LineNumberAttributeTest.class;
}
}