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/*
* Copyright (c) 2013, 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
* @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 {}
}
}
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