/*
 * Copyright (c) 2013, 2018, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
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 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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/*
 */


package org.graalvm.compiler.jtt.threads;

import org.graalvm.compiler.jtt.JTTTest;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.TestRule;

Inspired by com.sun.media.sound.DirectAudioDevice$DirectDL.drain(). Two loop exits hold a monitor while merging.
/** * Inspired by {@code com.sun.media.sound.DirectAudioDevice$DirectDL.drain()}. * * Two loop exits hold a monitor while merging. * */
public final class SynchronizedLoopExit01 extends JTTTest { @Rule public TestRule timeout = createTimeoutSeconds(20); protected Object object = new Object(); protected volatile boolean drained = false; protected volatile boolean someBoolean = true; public boolean test() { boolean b = true; while (!drained) { synchronized (object) { boolean c = b = someBoolean; if (c || drained) { break; } } } return b; } @Test public void run0() throws Throwable { runTest("test"); } }