131 lines
4.1 KiB
Java
131 lines
4.1 KiB
Java
/*
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* Copyright (c) 2017, 2020, Red Hat, Inc. 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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/*
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* @test id=passive
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* @summary Tests that we pass at least one jcstress-like test with all verification turned on
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* @requires vm.gc.Shenandoah
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* @modules java.base/jdk.internal.misc
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* java.management
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*
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* @run main/othervm -Xmx1g -Xms1g -XX:+UnlockExperimentalVMOptions -XX:+UnlockDiagnosticVMOptions
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* -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive
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* -XX:+ShenandoahDegeneratedGC -XX:+ShenandoahVerify
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* TestVerifyJCStress
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*
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* @run main/othervm -Xmx1g -Xms1g -XX:+UnlockExperimentalVMOptions -XX:+UnlockDiagnosticVMOptions
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* -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive
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* -XX:-ShenandoahDegeneratedGC -XX:+ShenandoahVerify
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* TestVerifyJCStress
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*/
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/*
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* @test id=default
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* @summary Tests that we pass at least one jcstress-like test with all verification turned on
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* @requires vm.gc.Shenandoah
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* @modules java.base/jdk.internal.misc
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* java.management
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*
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* @run main/othervm -Xmx1g -Xms1g -XX:+UnlockExperimentalVMOptions -XX:+UnlockDiagnosticVMOptions
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* -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=adaptive
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* -XX:+ShenandoahVerify
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* TestVerifyJCStress
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*
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* @run main/othervm -Xmx1g -Xms1g -XX:+UnlockExperimentalVMOptions -XX:+UnlockDiagnosticVMOptions
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* -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=compact
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* -XX:+ShenandoahVerify
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* TestVerifyJCStress
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*/
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import java.util.*;
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import java.util.concurrent.*;
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import java.util.concurrent.locks.*;
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public class TestVerifyJCStress {
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public static void main(String[] args) throws Exception {
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ExecutorService service = Executors.newFixedThreadPool(
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2,
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r -> {
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Thread t = new Thread(r);
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t.setDaemon(true);
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return t;
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}
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);
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for (int c = 0; c < 10000; c++) {
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final Test[] tests = new Test[10000];
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for (int t = 0; t < tests.length; t++) {
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tests[t] = new Test();
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}
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Future<?> f1 = service.submit(() -> {
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IntResult2 r = new IntResult2();
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for (Test test : tests) {
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test.RL_Us(r);
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}
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});
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Future<?> f2 = service.submit(() -> {
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for (Test test : tests) {
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test.WLI_Us();
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}
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});
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f1.get();
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f2.get();
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}
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}
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public static class IntResult2 {
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int r1, r2;
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}
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public static class Test {
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final StampedLock lock = new StampedLock();
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int x, y;
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public void RL_Us(IntResult2 r) {
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StampedLock lock = this.lock;
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long stamp = lock.readLock();
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r.r1 = x;
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r.r2 = y;
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lock.unlock(stamp);
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}
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public void WLI_Us() {
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try {
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StampedLock lock = this.lock;
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long stamp = lock.writeLockInterruptibly();
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x = 1;
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y = 2;
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lock.unlock(stamp);
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} catch (InterruptedException e) {
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throw new RuntimeException(e);
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}
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}
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}
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}
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