| /* |
| * Copyright (c) 2013, 2015, 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 6695379 |
| * @summary Copy method annotations and parameter annotations to synthetic |
| * bridge methods |
| * @modules jdk.jdeps/com.sun.tools.classfile |
| * jdk.compiler/com.sun.tools.javac.util |
| * @run main AnnotationsAreNotCopiedToBridgeMethodsTest |
| */ |
| |
| import java.lang.annotation.ElementType; |
| import java.lang.annotation.Target; |
| import java.io.BufferedInputStream; |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.RetentionPolicy; |
| import java.nio.file.Files; |
| import java.nio.file.Path; |
| import java.nio.file.Paths; |
| |
| import com.sun.tools.classfile.AccessFlags; |
| import com.sun.tools.classfile.Attribute; |
| import com.sun.tools.classfile.Attributes; |
| import com.sun.tools.classfile.ClassFile; |
| import com.sun.tools.classfile.Method; |
| import com.sun.tools.javac.util.Assert; |
| |
| public class AnnotationsAreNotCopiedToBridgeMethodsTest { |
| |
| public static void main(String[] args) throws Exception { |
| new AnnotationsAreNotCopiedToBridgeMethodsTest().run(); |
| } |
| |
| void run() throws Exception { |
| checkClassFile(Paths.get(System.getProperty("test.classes"), |
| this.getClass().getSimpleName() + "$CovariantReturnType.class")); |
| checkClassFile(Paths.get(System.getProperty("test.classes"), |
| this.getClass().getSimpleName() + |
| "$CovariantReturnType$VisibilityChange.class")); |
| } |
| |
| void checkClassFile(final Path cfilePath) throws Exception { |
| ClassFile classFile = ClassFile.read( |
| new BufferedInputStream(Files.newInputStream(cfilePath))); |
| for (Method method : classFile.methods) { |
| if (method.access_flags.is(AccessFlags.ACC_BRIDGE)) { |
| checkForAttr(method.attributes, |
| "Annotations hasn't been copied to bridge method", |
| Attribute.RuntimeVisibleAnnotations, |
| Attribute.RuntimeVisibleParameterAnnotations); |
| } |
| } |
| } |
| |
| void checkForAttr(Attributes attrs, String errorMsg, String... attrNames) { |
| for (String attrName : attrNames) { |
| Assert.checkNonNull(attrs.get(attrName), errorMsg); |
| } |
| } |
| |
| @Target(value = {ElementType.PARAMETER}) |
| @Retention(RetentionPolicy.RUNTIME) |
| @interface ParamAnnotation {} |
| |
| @Target(value = {ElementType.METHOD}) |
| @Retention(RetentionPolicy.RUNTIME) |
| @interface MethodAnnotation {} |
| |
| abstract class T<A,B> { |
| B m(A a){return null;} |
| } |
| |
| class CovariantReturnType extends T<Integer, Integer> { |
| @MethodAnnotation |
| Integer m(@ParamAnnotation Integer i) { |
| return i; |
| } |
| |
| public class VisibilityChange extends CovariantReturnType {} |
| |
| } |
| |
| } |