Thu, 10 Oct 2013 14:58:04 +0200
8001931: The new build system whitespace cleanup
Reviewed-by: tbell, simonis, erikj
1 /*
2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
24 /*
25 * @test
26 * @bug 6695379
27 * @summary Copy method annotations and parameter annotations to synthetic
28 * bridge methods
29 * @run main AnnotationsAreNotCopiedToBridgeMethodsTest
30 */
32 import java.lang.annotation.ElementType;
33 import java.lang.annotation.Target;
34 import java.io.BufferedInputStream;
35 import java.lang.annotation.Retention;
36 import java.lang.annotation.RetentionPolicy;
37 import java.nio.file.Files;
38 import java.nio.file.Path;
39 import java.nio.file.Paths;
41 import com.sun.tools.classfile.AccessFlags;
42 import com.sun.tools.classfile.Attribute;
43 import com.sun.tools.classfile.Attributes;
44 import com.sun.tools.classfile.ClassFile;
45 import com.sun.tools.classfile.Method;
46 import com.sun.tools.javac.util.Assert;
48 public class AnnotationsAreNotCopiedToBridgeMethodsTest {
50 public static void main(String[] args) throws Exception {
51 new AnnotationsAreNotCopiedToBridgeMethodsTest().run();
52 }
54 void run() throws Exception {
55 checkClassFile(Paths.get(System.getProperty("test.classes"),
56 this.getClass().getSimpleName() + "$CovariantReturnType.class"));
57 checkClassFile(Paths.get(System.getProperty("test.classes"),
58 this.getClass().getSimpleName() +
59 "$CovariantReturnType$VisibilityChange.class"));
60 }
62 void checkClassFile(final Path cfilePath) throws Exception {
63 ClassFile classFile = ClassFile.read(
64 new BufferedInputStream(Files.newInputStream(cfilePath)));
65 for (Method method : classFile.methods) {
66 if (method.access_flags.is(AccessFlags.ACC_BRIDGE)) {
67 checkForAttr(method.attributes,
68 "Annotations hasn't been copied to bridge method",
69 Attribute.RuntimeVisibleAnnotations,
70 Attribute.RuntimeVisibleParameterAnnotations);
71 }
72 }
73 }
75 void checkForAttr(Attributes attrs, String errorMsg, String... attrNames) {
76 for (String attrName : attrNames) {
77 Assert.checkNonNull(attrs.get(attrName), errorMsg);
78 }
79 }
81 @Target(value = {ElementType.PARAMETER})
82 @Retention(RetentionPolicy.RUNTIME)
83 @interface ParamAnnotation {}
85 @Target(value = {ElementType.METHOD})
86 @Retention(RetentionPolicy.RUNTIME)
87 @interface MethodAnnotation {}
89 abstract class T<A,B> {
90 B m(A a){return null;}
91 }
93 class CovariantReturnType extends T<Integer, Integer> {
94 @MethodAnnotation
95 Integer m(@ParamAnnotation Integer i) {
96 return i;
97 }
99 public class VisibilityChange extends CovariantReturnType {}
101 }
103 }