/* * Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ /* * @test * @bug 8049238 * @summary Checks Signature attribute for inner classes. * @library /tools/lib /tools/javac/lib ../lib * @modules jdk.compiler/com.sun.tools.javac.api * jdk.compiler/com.sun.tools.javac.main * jdk.jdeps/com.sun.tools.classfile * @build toolbox.ToolBox InMemoryFileManager TestResult TestBase * @build InnerClassTest Driver ExpectedSignature ExpectedSignatureContainer * @run main Driver InnerClassTest */ import java.util.ArrayList; import java.util.List; import java.util.Map; import java.util.Set; import java.util.concurrent.Callable; @ExpectedSignature(descriptor = "InnerClassTest", signature = "<T:Ljava/util/ArrayList<TT;>;:Ljava/lang/Runnable;>Ljava/lang/Object;") @ExpectedSignature(descriptor = "InnerClassTest$1", signature = "LInnerClassTest$1Local1;", isAnonymous = true) @ExpectedSignature(descriptor = "InnerClassTest$2", signature = "LInnerClassTest$1Local2<Ljava/util/ArrayList<TT;>;" + "Ljava/util/Map<Ljava/util/ArrayList<TT;>;Ljava/util/ArrayList<TT;>;>;>;", isAnonymous = true) public class InnerClassTest<T extends ArrayList<T> & Runnable> { { class Local1 { // no Signature attribute Local1() { } @ExpectedSignature(descriptor = "genericType", signature = "TT;") T genericType; @ExpectedSignature(descriptor = "genericTypeArray", signature = "[TT;") T[] genericTypeArray; } @ExpectedSignature(descriptor = "InnerClassTest$1Local2", signature = "<T:Ljava/lang/Object;U::Ljava/util/Map<+TT;-TT;>;>Ljava/lang/Object;") class Local2<T, U extends Map<? extends T, ? super T>> { // no Signature attribute Local2() { } @ExpectedSignature(descriptor = "<init>(InnerClassTest, java.lang.Object, java.util.Map)", signature = "(TT;TU;)V") Local2(T a, U b) { } @ExpectedSignature(descriptor = "genericMethod(java.lang.Object[])", signature = "([TT;)[TU;") U[] genericMethod(T...a) { return null; } } @ExpectedSignature(descriptor = "InnerClassTest$1Local3", signature = "LInnerClassTest$1Local2<Ljava/util/ArrayList<TT;>;" + "Ljava/util/Map<Ljava/util/ArrayList<TT;>;Ljava/util/ArrayList<TT;>;>;>;") class Local3 extends Local2<ArrayList<T>, Map<ArrayList<T>, ArrayList<T>>> { } new Local1() { @ExpectedSignature(descriptor = "genericType", signature = "TT;") T genericType; @ExpectedSignature(descriptor = "genericTypeArray", signature = "[TT;") T[] genericTypeArray; }; new Local2<ArrayList<T>, Map<ArrayList<T>, ArrayList<T>>>() { }; } @ExpectedSignature(descriptor = "InnerClassTest$InnerClass1", signature = "<E:TT;U::Ljava/util/Set<-TE;>;>Ljava/lang/Object;") class InnerClass1<E extends T, U extends Set<? super E>> { @ExpectedSignature(descriptor = "genericTypeArray", signature = "[TT;") T[] genericTypeArray; @ExpectedSignature(descriptor = "genericListExtendsBound", signature = "Ljava/util/List<+TT;>;") List<? extends T> genericListExtendsBound; @ExpectedSignature(descriptor = "genericListSuperBound", signature = "Ljava/util/List<-TU;>;") List<? super U> genericListSuperBound; @ExpectedSignature(descriptor = "genericListWildCard", signature = "Ljava/util/List<*>;") List<?> genericListWildCard; @ExpectedSignature(descriptor = "genericListExactType", signature = "Ljava/util/List<Ljava/lang/Integer;>;") List<Integer> genericListExactType; @ExpectedSignature(descriptor = "listWithGenericType", signature = "Ljava/util/List<TE;>;") List<E> listWithGenericType; List listNoSignatureAttribute; // no Signature attribute InnerClass1(List a) { } @ExpectedSignature(descriptor = "<init>(InnerClassTest, java.util.ArrayList)", signature = "(TT;)V") InnerClass1(T a) { } @ExpectedSignature(descriptor = "<init>(InnerClassTest, java.util.ArrayList, java.util.ArrayList)", signature = "(TT;TE;)V") InnerClass1(T a, E b) { } @ExpectedSignature(descriptor = "genericMethod(java.util.ArrayList)", signature = "(TT;)TE;") E genericMethod(T a) { return null; } } @ExpectedSignature(descriptor = "InnerClassTest$InnerInterface", signature = "<T:Ljava/lang/Object;>Ljava/lang/Object;") interface InnerInterface<T> { @ExpectedSignature(descriptor = "genericMethod(java.lang.Object)", signature = "(TT;)TT;") T genericMethod(T a); @ExpectedSignature(descriptor = "genericListExtendsBound", signature = "Ljava/util/List<+Ljava/lang/Number;>;") List<? extends Number> genericListExtendsBound = null; @ExpectedSignature(descriptor = "genericListSuperBound", signature = "Ljava/util/List<-Ljava/lang/Number;>;") List<? super Number> genericListSuperBound = null; @ExpectedSignature(descriptor = "genericListWildCard", signature = "Ljava/util/List<*>;") List<?> genericListWildCard = null; @ExpectedSignature(descriptor = "genericListExactType", signature = "Ljava/util/List<Ljava/lang/Integer;>;") List<Integer> genericListExactType = null; List listNoSignatureAttribute = null; @ExpectedSignature(descriptor = "genericBoundsMethod1(java.util.List)", signature = "(Ljava/util/List<-TT;>;)Ljava/util/List<+TT;>;") List<? extends T> genericBoundsMethod1(List<? super T> a); @ExpectedSignature(descriptor = "genericBoundsMethod2(java.util.List)", signature = "(Ljava/util/List<+TT;>;)Ljava/util/List<-TT;>;") List<? super T> genericBoundsMethod2(List<? extends T> a); @ExpectedSignature(descriptor = "genericWildCardMethod(java.util.Map)", signature = "(Ljava/util/Map<**>;)Ljava/util/Map<**>;") Map<?, ?> genericWildCardMethod(Map<?, ?> a); @ExpectedSignature(descriptor = "defaultGenericMethod(java.util.List, java.util.List, java.util.Map)", signature = "(Ljava/util/List<+TT;>;Ljava/util/List<-TT;>;Ljava/util/Map<**>;)Ljava/util/List<*>;") default List<?> defaultGenericMethod(List<? extends T> list1, List<? super T> list2, Map<?, ?> map) { return null; } default List defaultNoSignatureAttributeMethod(List list1, List list2, Map list3) { return null; } @ExpectedSignature(descriptor = "staticGenericMethod(java.util.List, java.util.List, java.util.Map)", signature = "<T::Ljava/lang/Runnable;>(Ljava/util/List<+TT;>;Ljava/util/List<-TT;>;Ljava/util/Map<**>;)Ljava/util/List<*>;") static <T extends Runnable> List<?> staticGenericMethod(List<? extends T> list1, List<? super T> list2, Map<?, ?> map) { return null; } static List staticNoSignatureAttributeMethod(List list1, List list2, Map list3) { return null; } } @ExpectedSignature(descriptor = "InnerClassTest$InnerClass2", signature = "LInnerClassTest<TT;>.InnerClass1<TT;Ljava/util/Set<TT;>;>;LInnerClassTest$InnerInterface<TT;>;") class InnerClass2 extends InnerClass1<T, Set<T>> implements InnerInterface<T> { // no Signature attribute InnerClass2() { super(null); } @ExpectedSignature(descriptor = "<init>(InnerClassTest, java.util.ArrayList)", signature = "(TT;)V") InnerClass2(T a) { super(a); } @ExpectedSignature(descriptor = "<init>(InnerClassTest, java.util.ArrayList, java.util.ArrayList)", signature = "(TT;TT;)V") InnerClass2(T a, T b) { super(a, b); } @ExpectedSignature(descriptor = "genericMethod(java.util.ArrayList)", signature = "(TT;)TT;") @Override public T genericMethod(T a) { return null; } @ExpectedSignature(descriptor = "genericBoundsMethod1(java.util.List)", signature = "(Ljava/util/List<-TT;>;)Ljava/util/List<+TT;>;") @Override public List<? extends T> genericBoundsMethod1(List<? super T> a) { return null; } @ExpectedSignature(descriptor = "genericBoundsMethod2(java.util.List)", signature = "(Ljava/util/List<+TT;>;)Ljava/util/List<-TT;>;") @Override public List<? super T> genericBoundsMethod2(List<? extends T> a) { return null; } @ExpectedSignature(descriptor = "genericWildCardMethod(java.util.Map)", signature = "(Ljava/util/Map<**>;)Ljava/util/Map<**>;") @Override public Map<?, ?> genericWildCardMethod(Map<?, ?> a) { return null; } } @ExpectedSignature(descriptor = "InnerClassTest$StaticInnerClass", signature = "<T:Ljava/lang/String;E::Ljava/util/Set<TT;>;>" + "Ljava/lang/Object;LInnerClassTest$InnerInterface<TE;>;") static class StaticInnerClass<T extends String, E extends Set<T>> implements InnerInterface<E> { // no Signature attribute StaticInnerClass(List a) { } @ExpectedSignature(descriptor = "<init>(java.lang.Runnable)", signature = "<E::Ljava/lang/Runnable;>(TE;)V") <E extends Runnable> StaticInnerClass(E a) { } @ExpectedSignature(descriptor = "<init>(java.lang.String)", signature = "(TT;)V") StaticInnerClass(T a) { } @ExpectedSignature(descriptor = "<init>(java.lang.String, java.util.Set)", signature = "(TT;TE;)V") StaticInnerClass(T a, E b) { } @ExpectedSignature(descriptor = "genericListExtendsBound", signature = "Ljava/util/List<+Ljava/lang/Number;>;") static List<? extends Number> genericListExtendsBound; @ExpectedSignature(descriptor = "genericListSuperBound", signature = "Ljava/util/List<-Ljava/lang/Number;>;") static List<? super Number> genericListSuperBound; @ExpectedSignature(descriptor = "genericListWildCard", signature = "Ljava/util/List<*>;") static List<?> genericListWildCard; @ExpectedSignature(descriptor = "genericListExactType", signature = "Ljava/util/List<Ljava/lang/Integer;>;") static List<Integer> genericListExactType; static List listNoSignatureAttribute; @ExpectedSignature(descriptor = "genericMethod(java.util.Set)", signature = "(TE;)TE;") @Override public E genericMethod(E a) { return null; } @ExpectedSignature(descriptor = "genericBoundsMethod1(java.util.List)", signature = "(Ljava/util/List<-TE;>;)Ljava/util/List<+TE;>;") @Override public List<? extends E> genericBoundsMethod1(List<? super E> a) { return null; } @ExpectedSignature(descriptor = "genericBoundsMethod2(java.util.List)", signature = "(Ljava/util/List<+TE;>;)Ljava/util/List<-TE;>;") @Override public List<? super E> genericBoundsMethod2(List<? extends E> a) { return null; } @ExpectedSignature(descriptor = "genericWildCardMethod(java.util.Map)", signature = "(Ljava/util/Map<**>;)Ljava/util/Map<**>;") @Override public Map<?, ?> genericWildCardMethod(Map<?, ?> a) { return null; } @ExpectedSignature(descriptor = "staticGenericMethod(java.lang.Object)", signature = "<E:Ljava/lang/Object;>(TE;)TE;") public static <E> E staticGenericMethod(E a) { return null; } @ExpectedSignature(descriptor = "staticGenericBoundsMethod1(java.util.List)", signature = "<E:Ljava/lang/Object;>(Ljava/util/List<-TE;>;)Ljava/util/List<+TE;>;") public static <E> List<? extends E> staticGenericBoundsMethod1(List<? super E> a) { return null; } @ExpectedSignature(descriptor = "staticGenericBoundsMethod2(java.util.List)", signature = "<E:Ljava/lang/Object;>(Ljava/util/List<+TE;>;)Ljava/util/List<-TE;>;") public static <E> List<? super E> staticGenericBoundsMethod2(List<? extends E> a) { return null; } @ExpectedSignature(descriptor = "staticGenericWildCardMethod(java.util.Map)", signature = "<E:Ljava/lang/Object;>(Ljava/util/Map<**>;)Ljava/util/Map<**>;") public static <E> Map<?, ?> staticGenericWildCardMethod(Map<?, ?> a) { return null; } } @ExpectedSignature(descriptor = "InnerClassTest$InnerClass3", signature = "Ljava/lang/Object;LInnerClassTest$ExceptionHolder" + "<Ljava/lang/RuntimeException;>;Ljava/util/concurrent/Callable<Ljava/util/Map<**>;>;") public static class InnerClass3 implements ExceptionHolder<RuntimeException>, Callable<Map<?, ?>> { @ExpectedSignature(descriptor = "call()", signature = "()Ljava/util/Map<**>;") @Override public Map<?, ?> call() throws Exception { return null; } @Override public void Throw() throws RuntimeException { } @Override public RuntimeException Return() { return null; } } /** * Class is for checking that the Signature attribute is not generated * for overridden methods despite of the appropriate methods in the parent class * have the Signature attribute. */ @ExpectedSignature(descriptor = "InnerClassTest$ExceptionHolder", signature = "<E:Ljava/lang/Exception;>Ljava/lang/Object;") interface ExceptionHolder<E extends Exception> { @ExpectedSignature(descriptor = "Throw()", signature = "()V^TE;") void Throw() throws E; @ExpectedSignature(descriptor = "Return()", signature = "()TE;") E Return(); } }