aoqi@0: /*
aoqi@0:  * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
aoqi@0:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0:  *
aoqi@0:  * This code is free software; you can redistribute it and/or modify it
aoqi@0:  * under the terms of the GNU General Public License version 2 only, as
aoqi@0:  * published by the Free Software Foundation.
aoqi@0:  *
aoqi@0:  * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0:  * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0:  * accompanied this code).
aoqi@0:  *
aoqi@0:  * You should have received a copy of the GNU General Public License version
aoqi@0:  * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0:  *
aoqi@0:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0:  * or visit www.oracle.com if you need additional information or have any
aoqi@0:  * questions.
aoqi@0:  */
aoqi@0: 
aoqi@0: /*
aoqi@0:  * @test
aoqi@0:  * @bug 6695379
aoqi@0:  * @summary Copy method annotations and parameter annotations to synthetic
aoqi@0:  * bridge methods
aoqi@0:  * @run main AnnotationsAreNotCopiedToBridgeMethodsTest
aoqi@0:  */
aoqi@0: 
aoqi@0: import java.lang.annotation.ElementType;
aoqi@0: import java.lang.annotation.Target;
aoqi@0: import java.io.BufferedInputStream;
aoqi@0: import java.lang.annotation.Retention;
aoqi@0: import java.lang.annotation.RetentionPolicy;
aoqi@0: import java.nio.file.Files;
aoqi@0: import java.nio.file.Path;
aoqi@0: import java.nio.file.Paths;
aoqi@0: 
aoqi@0: import com.sun.tools.classfile.AccessFlags;
aoqi@0: import com.sun.tools.classfile.Attribute;
aoqi@0: import com.sun.tools.classfile.Attributes;
aoqi@0: import com.sun.tools.classfile.ClassFile;
aoqi@0: import com.sun.tools.classfile.Method;
aoqi@0: import com.sun.tools.javac.util.Assert;
aoqi@0: 
aoqi@0: public class AnnotationsAreNotCopiedToBridgeMethodsTest {
aoqi@0: 
aoqi@0:     public static void main(String[] args) throws Exception {
aoqi@0:         new AnnotationsAreNotCopiedToBridgeMethodsTest().run();
aoqi@0:     }
aoqi@0: 
aoqi@0:     void run() throws Exception {
aoqi@0:         checkClassFile(Paths.get(System.getProperty("test.classes"),
aoqi@0:                 this.getClass().getSimpleName() + "$CovariantReturnType.class"));
aoqi@0:         checkClassFile(Paths.get(System.getProperty("test.classes"),
aoqi@0:                 this.getClass().getSimpleName() +
aoqi@0:                 "$CovariantReturnType$VisibilityChange.class"));
aoqi@0:     }
aoqi@0: 
aoqi@0:     void checkClassFile(final Path cfilePath) throws Exception {
aoqi@0:         ClassFile classFile = ClassFile.read(
aoqi@0:                 new BufferedInputStream(Files.newInputStream(cfilePath)));
aoqi@0:         for (Method method : classFile.methods) {
aoqi@0:             if (method.access_flags.is(AccessFlags.ACC_BRIDGE)) {
aoqi@0:                 checkForAttr(method.attributes,
aoqi@0:                         "Annotations hasn't been copied to bridge method",
aoqi@0:                         Attribute.RuntimeVisibleAnnotations,
aoqi@0:                         Attribute.RuntimeVisibleParameterAnnotations);
aoqi@0:             }
aoqi@0:         }
aoqi@0:     }
aoqi@0: 
aoqi@0:     void checkForAttr(Attributes attrs, String errorMsg, String... attrNames) {
aoqi@0:         for (String attrName : attrNames) {
aoqi@0:             Assert.checkNonNull(attrs.get(attrName), errorMsg);
aoqi@0:         }
aoqi@0:     }
aoqi@0: 
aoqi@0:     @Target(value = {ElementType.PARAMETER})
aoqi@0:     @Retention(RetentionPolicy.RUNTIME)
aoqi@0:     @interface ParamAnnotation {}
aoqi@0: 
aoqi@0:     @Target(value = {ElementType.METHOD})
aoqi@0:     @Retention(RetentionPolicy.RUNTIME)
aoqi@0:     @interface MethodAnnotation {}
aoqi@0: 
aoqi@0:     abstract class T<A,B> {
aoqi@0:         B m(A a){return null;}
aoqi@0:     }
aoqi@0: 
aoqi@0:     class CovariantReturnType extends T<Integer, Integer> {
aoqi@0:         @MethodAnnotation
aoqi@0:         Integer m(@ParamAnnotation Integer i) {
aoqi@0:             return i;
aoqi@0:         }
aoqi@0: 
aoqi@0:         public class VisibilityChange extends CovariantReturnType {}
aoqi@0: 
aoqi@0:     }
aoqi@0: 
aoqi@0: }