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78 lines
2.7 KiB
Java
78 lines
2.7 KiB
Java
/*
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* Copyright (c) 2026, 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 NestedAnnotations
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* @summary The JVM handles nested annotations
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* @bug 8364655
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* @requires vm.flagless
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* @library /test/lib
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* @library /testlibrary/asm
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* @modules java.base/jdk.internal.misc
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* java.desktop
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* java.management
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* @run driver NestedAnnotations
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*/
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import jdk.test.lib.process.OutputAnalyzer;
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import jdk.test.lib.process.ProcessTools;
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import org.objectweb.asm.AnnotationVisitor;
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import org.objectweb.asm.ClassWriter;
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import java.lang.invoke.MethodHandles;
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import java.util.ArrayList;
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import static org.objectweb.asm.Opcodes.*;
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public class NestedAnnotations {
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static void test() throws Exception {
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var cw = new ClassWriter(0);
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cw.visit(V17, 0, "Annotations", null, "java/lang/Object", null);
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final int number_of_annotations = 65535;
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var av = cw.visitAnnotation("LTest;", true);
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var stack = new ArrayList<AnnotationVisitor>(number_of_annotations + 1);
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stack.add(av);
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for (int i = 0; i < number_of_annotations; i++) {
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stack.add(av = av.visitAnnotation("value", "LTest;"));
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}
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for (int i = number_of_annotations; i != 0;) {
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stack.get(--i).visitEnd();
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}
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cw.visitEnd();
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// Does not matter whether the class is hidden, used for simplicity's sake.
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MethodHandles.lookup().defineHiddenClass(cw.toByteArray(), true);
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}
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public static void main(String[] args) throws Exception {
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if (args.length == 1 && args[0].equals("testIt")) {
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test();
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} else {
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OutputAnalyzer oa = ProcessTools.executeTestJava("NestedAnnotations", "testIt");
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oa.shouldHaveExitValue(0);
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}
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}
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}
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