66 lines
2.3 KiB
Java
66 lines
2.3 KiB
Java
/*
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* Copyright (c) 2016, 2021, 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
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* @bug 8071859 8169629
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* @summary Check annotation equality behavior against the invocation handler
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* @compile --release 8 EqualityTest.java
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* @run main EqualityTest
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* @compile EqualityTest.java
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* @run main EqualityTest
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*/
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import java.lang.annotation.*;
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import java.lang.reflect.*;
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@TestAnnotation
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public class EqualityTest {
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public static void main(String... args) throws Exception {
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TestAnnotation annotation =
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EqualityTest.class.getAnnotation(TestAnnotation.class);
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InvocationHandler handler = Proxy.getInvocationHandler(annotation);
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testEquality(annotation, handler, false);
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testEquality(annotation, annotation, true);
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testEquality(handler, handler, true);
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testEquality(annotation, AnnotationHost.class.getAnnotation(TestAnnotation.class), true);
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}
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private static void testEquality(Object a, Object b, boolean expected) {
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boolean result = a.equals(b);
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if (result != b.equals(a) || result != expected)
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throw new RuntimeException("Unexpected result");
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}
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@TestAnnotation
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private static class AnnotationHost {}
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}
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@Retention(RetentionPolicy.RUNTIME)
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@interface TestAnnotation {
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// Trigger creation of synthetic method to initialize r.
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public static final Runnable r = () -> {};
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}
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