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/*
25 */
26
27package org.graalvm.compiler.jtt.threads;
28
29import org.junit.Assert;
30import org.junit.Test;
31
32import org.graalvm.compiler.jtt.JTTTest;
33
34//Test all, mainly monitors
35public class Thread_isInterrupted02 extends JTTTest {
36
37    private static final Object start = new Object();
38    private static final Object end = new Object();
39    private static int waitTime;
40
41    @SuppressWarnings("unused")
42    public static boolean test(int i, int time) throws InterruptedException {
43        waitTime = time;
44        final Thread thread = new Thread();
45        synchronized (thread) {
46            // start the thread and wait for it
47            thread.setDaemon(true); // in case the thread gets stuck
48            thread.start();
49            while (!thread.wait1Condition) {
50                thread.wait(10000);
51            }
52        }
53        synchronized (start) {
54            thread.interrupt();
55            thread.sentInterrupt = true;
56        }
57        synchronized (end) {
58            while (!thread.wait2Condition) {
59                end.wait(10000);
60            }
61        }
62        return thread.interrupted;
63    }
64
65    private static class Thread extends java.lang.Thread {
66
67        private boolean interrupted;
68        private boolean sentInterrupt;
69        private boolean wait1Condition;
70        private boolean wait2Condition;
71
72        @Override
73        public void run() {
74            try {
75                synchronized (start) {
76                    synchronized (this) {
77                        // signal test thread that we are running
78                        wait1Condition = true;
79                        notify();
80                    }
81                    // wait for the condition, which should be interrupted
82                    while (!sentInterrupt) {
83                        if (waitTime == 0) {
84                            start.wait();
85                        } else {
86                            start.wait(waitTime);
87                        }
88                        if (Thread.interrupted()) {
89                            throw new InterruptedException();
90                        }
91                    }
92                    Assert.fail("should not reach here - was not interrupted");
93                }
94            } catch (InterruptedException e) {
95                // interrupted successfully.
96                interrupted = true;
97                synchronized (end) {
98                    // notify the other thread we are done
99                    wait2Condition = true;
100                    end.notify();
101                }
102            }
103        }
104    }
105
106    @Test(timeout = 20000)
107    public void run0() throws Throwable {
108        runTest("test", 0, 0);
109    }
110
111    @Test(timeout = 20000)
112    public void run1() throws Throwable {
113        runTest("test", 1, 500);
114    }
115
116}
117