russell@unturf.com
0a580b313d
Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com Patches, unit tests, benchmarks, whitepaper, and outreach briefs. Public domain — no copyright claimed. Use freely.
61 lines
2.1 KiB
Java
61 lines
2.1 KiB
Java
/*
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* Copyright (c) 2022, 2024, 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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* @summary Testing ClassFile annotation model.
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* @run junit AnnotationModelTest
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*/
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import java.lang.classfile.ClassFile;
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import java.lang.classfile.Attributes;
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import org.junit.jupiter.api.Test;
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import java.io.IOException;
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import java.net.URI;
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import java.nio.file.FileSystem;
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import java.nio.file.FileSystems;
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import java.nio.file.Files;
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import static org.junit.jupiter.api.Assertions.*;
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class AnnotationModelTest {
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private static final FileSystem JRT = FileSystems.getFileSystem(URI.create("jrt:/"));
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private static final String testClass = "modules/java.base/java/lang/annotation/Target.class";
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static byte[] fileBytes;
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static {
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try {
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fileBytes = Files.readAllBytes(JRT.getPath(testClass));
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} catch (IOException e) {
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throw new ExceptionInInitializerError(e);
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}
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}
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@Test
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void readAnnos() {
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var model = ClassFile.of().parse(fileBytes);
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var annotations = model.findAttribute(Attributes.runtimeVisibleAnnotations()).get().annotations();
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assertEquals(annotations.size(), 3);
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}
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}
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