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 */
23package org.graalvm.compiler.jtt.threads;
24
25import org.junit.Test;
26
27import org.graalvm.compiler.jtt.JTTTest;
28
29/*
30 */
31
32// Interrupted while running, do nothing, just set the flag and continue
33// (thomaswue) This test will exercise deoptimization on HotSpot, because a volatile unloaded field is accessed.
34// (thomaswue) The temporary result variable is needed, because in order to query the isInterrupted flag, the thread must be alive.
35public class Thread_isInterrupted04 extends JTTTest {
36
37    public static boolean test() throws InterruptedException {
38        final Thread1 thread = new Thread1();
39        thread.start();
40        while (!thread.running) {
41            Thread.sleep(10);
42        }
43        Thread.sleep(100);
44        thread.interrupt();
45        boolean result = thread.isInterrupted();
46        thread.setStop(true);
47        return result;
48    }
49
50    public static class Thread1 extends java.lang.Thread {
51
52        private volatile boolean stop = false;
53        public volatile boolean running = false;
54        public long i = 0;
55
56        @Override
57        public void run() {
58            running = true;
59            while (!stop) {
60                i++;
61            }
62        }
63
64        public void setStop(boolean value) {
65            stop = value;
66        }
67
68    }
69
70    @Test
71    public void run0() throws Throwable {
72        runTest("test");
73    }
74
75}
76