86 lines
3.0 KiB
Java
86 lines
3.0 KiB
Java
/*
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* Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test 8187805
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* @summary bogus RuntimeVisibleTypeAnnotations for unused local in a block
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* @enablePreview
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* @modules java.base/jdk.internal.classfile.impl
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* jdk.compiler/com.sun.tools.javac.util
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* @run main BogusRTTAForUnusedVarTest
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*/
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import java.io.File;
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import java.lang.annotation.Target;
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import java.lang.annotation.ElementType;
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import java.lang.annotation.Retention;
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import java.lang.annotation.RetentionPolicy;
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import java.lang.classfile.*;
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import java.lang.classfile.attribute.CodeAttribute;
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import java.lang.classfile.attribute.RuntimeVisibleTypeAnnotationsAttribute;
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import com.sun.tools.javac.util.Assert;
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public class BogusRTTAForUnusedVarTest {
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class Foo {
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void something() {
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{
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@MyAnno Object o = new Object();
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}
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}
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}
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@Target(ElementType.TYPE_USE)
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@Retention(RetentionPolicy.RUNTIME)
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@interface MyAnno {}
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public static void main(String args[]) throws Throwable {
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new BogusRTTAForUnusedVarTest().run();
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}
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void run() throws Throwable {
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checkRTTA();
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}
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void checkRTTA() throws Throwable {
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File testClasses = new File(System.getProperty("test.classes"));
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File file = new File(testClasses,
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BogusRTTAForUnusedVarTest.class.getName() + "$Foo.class");
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ClassModel classFile = ClassFile.of().parse(file.toPath());
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for (MethodModel m : classFile.methods()) {
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if (m.methodName().equalsString("something")) {
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for (Attribute<?> a : m.attributes()) {
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if (a instanceof CodeAttribute code) {
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for (Attribute<?> codeAttrs : code.attributes()) {
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if (codeAttrs instanceof RuntimeVisibleTypeAnnotationsAttribute) {
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throw new AssertionError("no RuntimeVisibleTypeAnnotations attribute should have been generated in this case");
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}
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}
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}
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}
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}
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}
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}
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}
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