jdk-24/jdk/test/java/util/concurrent/forkjoin/SubmissionTest.java
Doug Lea 37fbfc1a3d 8078490: Missed submissions in ForkJoinPool
Reviewed-by: psandoz, shade, martin, chegar
2015-04-24 15:39:41 +02:00

50 lines
1.9 KiB
Java

/*
* Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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*/
import java.util.concurrent.ForkJoinPool;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicBoolean;
/*
* @test
* @bug 8078490
* @summary Test submission and execution of task without joining
*/
public class SubmissionTest {
public static void main(String[] args) throws Throwable {
final ForkJoinPool e = new ForkJoinPool(1);
final AtomicBoolean b = new AtomicBoolean();
final Runnable setFalse = () -> b.set(false);
for (int i = 0; i < 100000; i++) {
b.set(true);
e.execute(setFalse);
long st = System.nanoTime();
while (b.get()) {
if (System.nanoTime() - st >= TimeUnit.SECONDS.toNanos(10)) {
throw new RuntimeException("Submitted task failed to execute");
}
}
}
}
}