001/*
002 * Copyright (c) 2007, 2012, Oracle and/or its affiliates. All rights reserved.
003 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
004 *
005 * This code is free software; you can redistribute it and/or modify it
006 * under the terms of the GNU General Public License version 2 only, as
007 * published by the Free Software Foundation.
008 *
009 * This code is distributed in the hope that it will be useful, but WITHOUT
010 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
011 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
012 * version 2 for more details (a copy is included in the LICENSE file that
013 * accompanied this code).
014 *
015 * You should have received a copy of the GNU General Public License version
016 * 2 along with this work; if not, write to the Free Software Foundation,
017 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
018 *
019 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
020 * or visit www.oracle.com if you need additional information or have any
021 * questions.
022 */
023/*
024 */
025package com.oracle.graal.jtt.threads;
026
027import org.junit.*;
028
029import com.oracle.graal.jtt.*;
030
031public class Object_wait01 extends JTTTest {
032
033    private static class TestClass implements Runnable {
034        public void run() {
035            int i = 0;
036            while (i++ < 1000000 && !done) {
037                synchronized (object) {
038                    count++;
039                    object.notifyAll();
040                }
041            }
042        }
043    }
044
045    static volatile int count = 0;
046    static volatile boolean done;
047    static final Object object = new Object();
048
049    public static boolean test(int i) throws InterruptedException {
050        count = 0;
051        done = false;
052        new Thread(new TestClass()).start();
053        synchronized (object) {
054            while (count < i) {
055                object.wait();
056            }
057            done = true;
058            return count >= i;
059        }
060    }
061
062    @Test(timeout = 20000)
063    public void run0() throws Throwable {
064        runTest("test", 0);
065    }
066
067    @Test(timeout = 20000)
068    public void run1() throws Throwable {
069        runTest("test", 1);
070    }
071
072    @Test(timeout = 20000)
073    public void run2() throws Throwable {
074        runTest("test", 3);
075    }
076
077    @Test(timeout = 20000)
078    public void run3() throws Throwable {
079        runTest("test", 15);
080    }
081
082}