jdk-24/test/langtools/tools/javac/T6695379/AnnotationsAreNotCopiedToBridgeMethodsTest.java
2024-05-24 15:58:34 +00:00

97 lines
3.5 KiB
Java

/*
* 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
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* questions.
*/
/*
* @test
* @bug 6695379
* @summary Copy method annotations and parameter annotations to synthetic
* bridge methods
* @enablePreview
* @modules java.base/jdk.internal.classfile.impl
* 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 java.lang.classfile.*;
import java.lang.classfile.attribute.*;
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"));
}
<A extends Attribute<A>> void checkClassFile(final Path cfilePath) throws Exception {
ClassModel classFile = ClassFile.of().parse(cfilePath);
for (MethodModel method : classFile.methods()) {
if ((method.flags().flagsMask() & ClassFile.ACC_BRIDGE) != 0) {
Assert.checkNonNull(method.findAttribute(Attributes.runtimeVisibleAnnotations()),
"Annotations hasn't been copied to bridge method");
Assert.checkNonNull(method.findAttribute(Attributes.runtimeVisibleParameterAnnotations()),
"Annotations hasn't been copied to bridge method");
}
}
}
@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 {}
}
}