Object_wait01.java revision 12968:4d8a004e5c6d 
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.Test;
29
30public class Object_wait01 extends JTTTest {
31
32    private static class TestClass implements Runnable {
33        @Override
34        public void run() {
35            int i = 0;
36            while (i++ < 1000000 && !done) {
37                synchronized (object) {
38                    count++;
39                    object.notifyAll();
40                }
41            }
42        }
43    }
44
45    static volatile int count = 0;
46    static volatile boolean done;
47    static final Object object = new Object();
48
49    public static boolean test(int i) throws InterruptedException {
50        count = 0;
51        done = false;
52        new Thread(new TestClass()).start();
53        synchronized (object) {
54            while (count < i) {
55                object.wait();
56            }
57            done = true;
58            return count >= i;
59        }
60    }
61
62    @Test(timeout = 20000)
63    public void run0() throws Throwable {
64        initializeForTimeout();
65        runTest("test", 0);
66    }
67
68    @Test(timeout = 20000)
69    public void run1() throws Throwable {
70        initializeForTimeout();
71        runTest("test", 1);
72    }
73
74    @Test(timeout = 20000)
75    public void run2() throws Throwable {
76        initializeForTimeout();
77        runTest("test", 3);
78    }
79
80    @Test(timeout = 20000)
81    public void run3() throws Throwable {
82        initializeForTimeout();
83        runTest("test", 15);
84    }
85
86}
87