1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/test/tools/javac/T6695379/AnnotationsAreNotCopiedToBridgeMethodsTest.java Wed Apr 27 01:34:52 2016 +0800
1.3 @@ -0,0 +1,103 @@
1.4 +/*
1.5 + * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation.
1.11 + *
1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.15 + * version 2 for more details (a copy is included in the LICENSE file that
1.16 + * accompanied this code).
1.17 + *
1.18 + * You should have received a copy of the GNU General Public License version
1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.21 + *
1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.23 + * or visit www.oracle.com if you need additional information or have any
1.24 + * questions.
1.25 + */
1.26 +
1.27 +/*
1.28 + * @test
1.29 + * @bug 6695379
1.30 + * @summary Copy method annotations and parameter annotations to synthetic
1.31 + * bridge methods
1.32 + * @run main AnnotationsAreNotCopiedToBridgeMethodsTest
1.33 + */
1.34 +
1.35 +import java.lang.annotation.ElementType;
1.36 +import java.lang.annotation.Target;
1.37 +import java.io.BufferedInputStream;
1.38 +import java.lang.annotation.Retention;
1.39 +import java.lang.annotation.RetentionPolicy;
1.40 +import java.nio.file.Files;
1.41 +import java.nio.file.Path;
1.42 +import java.nio.file.Paths;
1.43 +
1.44 +import com.sun.tools.classfile.AccessFlags;
1.45 +import com.sun.tools.classfile.Attribute;
1.46 +import com.sun.tools.classfile.Attributes;
1.47 +import com.sun.tools.classfile.ClassFile;
1.48 +import com.sun.tools.classfile.Method;
1.49 +import com.sun.tools.javac.util.Assert;
1.50 +
1.51 +public class AnnotationsAreNotCopiedToBridgeMethodsTest {
1.52 +
1.53 + public static void main(String[] args) throws Exception {
1.54 + new AnnotationsAreNotCopiedToBridgeMethodsTest().run();
1.55 + }
1.56 +
1.57 + void run() throws Exception {
1.58 + checkClassFile(Paths.get(System.getProperty("test.classes"),
1.59 + this.getClass().getSimpleName() + "$CovariantReturnType.class"));
1.60 + checkClassFile(Paths.get(System.getProperty("test.classes"),
1.61 + this.getClass().getSimpleName() +
1.62 + "$CovariantReturnType$VisibilityChange.class"));
1.63 + }
1.64 +
1.65 + void checkClassFile(final Path cfilePath) throws Exception {
1.66 + ClassFile classFile = ClassFile.read(
1.67 + new BufferedInputStream(Files.newInputStream(cfilePath)));
1.68 + for (Method method : classFile.methods) {
1.69 + if (method.access_flags.is(AccessFlags.ACC_BRIDGE)) {
1.70 + checkForAttr(method.attributes,
1.71 + "Annotations hasn't been copied to bridge method",
1.72 + Attribute.RuntimeVisibleAnnotations,
1.73 + Attribute.RuntimeVisibleParameterAnnotations);
1.74 + }
1.75 + }
1.76 + }
1.77 +
1.78 + void checkForAttr(Attributes attrs, String errorMsg, String... attrNames) {
1.79 + for (String attrName : attrNames) {
1.80 + Assert.checkNonNull(attrs.get(attrName), errorMsg);
1.81 + }
1.82 + }
1.83 +
1.84 + @Target(value = {ElementType.PARAMETER})
1.85 + @Retention(RetentionPolicy.RUNTIME)
1.86 + @interface ParamAnnotation {}
1.87 +
1.88 + @Target(value = {ElementType.METHOD})
1.89 + @Retention(RetentionPolicy.RUNTIME)
1.90 + @interface MethodAnnotation {}
1.91 +
1.92 + abstract class T<A,B> {
1.93 + B m(A a){return null;}
1.94 + }
1.95 +
1.96 + class CovariantReturnType extends T<Integer, Integer> {
1.97 + @MethodAnnotation
1.98 + Integer m(@ParamAnnotation Integer i) {
1.99 + return i;
1.100 + }
1.101 +
1.102 + public class VisibilityChange extends CovariantReturnType {}
1.103 +
1.104 + }
1.105 +
1.106 +}
