1/*
2 * Copyright (c) 2015, 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
24import java.util.concurrent.ForkJoinPool;
25import java.util.concurrent.atomic.AtomicBoolean;
26import jdk.testlibrary.Utils;
27
28/*
29 * @test
30 * @bug 8078490
31 * @summary Test submission and execution of task without joining
32 * @library /lib/testlibrary/
33 */
34public class SubmissionTest {
35    static final long LONG_DELAY_MS = Utils.adjustTimeout(10_000);
36
37    static long millisElapsedSince(long startTime) {
38        return (System.nanoTime() - startTime) / (1000L * 1000L);
39    }
40
41    public static void main(String[] args) throws Throwable {
42        final ForkJoinPool e = new ForkJoinPool(1);
43        final AtomicBoolean b = new AtomicBoolean();
44        final Runnable setFalse = () -> b.set(false);
45        for (int i = 0; i < 30_000; i++) {
46            b.set(true);
47            e.execute(setFalse);
48            long startTime = System.nanoTime();
49            while (b.get()) {
50                if (millisElapsedSince(startTime) >= LONG_DELAY_MS) {
51                    throw new RuntimeException("Submitted task failed to execute");
52                }
53                Thread.yield();
54            }
55        }
56    }
57}
58