Object_wait01.java revision 13083:b9a173f12fe6
1/*
2 * Copyright (c) 2007, 2012, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23/*
24 */
25package org.graalvm.compiler.jtt.threads;
26
27import org.graalvm.compiler.jtt.JTTTest;
28import org.junit.Rule;
29import org.junit.Test;
30import org.junit.rules.DisableOnDebug;
31import org.junit.rules.TestRule;
32import org.junit.rules.Timeout;
33
34public class Object_wait01 extends JTTTest {
35
36    @Rule public TestRule timeout = new DisableOnDebug(Timeout.seconds(20));
37
38    private static class TestClass implements Runnable {
39        @Override
40        public void run() {
41            int i = 0;
42            while (i++ < 1000000 && !done) {
43                synchronized (object) {
44                    count++;
45                    object.notifyAll();
46                }
47            }
48        }
49    }
50
51    static volatile int count = 0;
52    static volatile boolean done;
53    static final Object object = new Object();
54
55    public static boolean test(int i) throws InterruptedException {
56        count = 0;
57        done = false;
58        new Thread(new TestClass()).start();
59        synchronized (object) {
60            while (count < i) {
61                object.wait();
62            }
63            done = true;
64            return count >= i;
65        }
66    }
67
68    @Test
69    public void run0() throws Throwable {
70        initializeForTimeout();
71        runTest("test", 0);
72    }
73
74    @Test
75    public void run1() throws Throwable {
76        initializeForTimeout();
77        runTest("test", 1);
78    }
79
80    @Test
81    public void run2() throws Throwable {
82        initializeForTimeout();
83        runTest("test", 3);
84    }
85
86    @Test
87    public void run3() throws Throwable {
88        initializeForTimeout();
89        runTest("test", 15);
90    }
91
92}
93