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/*
* Copyright (c) 2018, 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
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
import java.util.concurrent.TimeUnit;
import javax.sound.sampled.AudioFormat;
import javax.sound.sampled.AudioSystem;
import javax.sound.sampled.Clip;
import javax.sound.sampled.DataLine;
import javax.sound.sampled.LineUnavailableException;
import static javax.sound.sampled.AudioFormat.Encoding.PCM_SIGNED;
/**
* @test
* @bug 8207150
* @summary Clip.isRunning() may return true after Clip.stop() was called
*/
public final class ClipIsRunningAfterStop {
private static volatile Exception failed;
public static void main(final String[] args) throws Exception {
final Runnable r = () -> {
try {
test();
} catch (LineUnavailableException | IllegalArgumentException ignored) {
// the test is not applicable
} catch (Exception ex) {
failed = ex;
}
};
Thread t1 = new Thread(r);
Thread t2 = new Thread(r);
Thread t3 = new Thread(r);
t1.start();
t2.start();
t3.start();
t1.join();
t2.join();
t3.join();
if (failed != null) {
throw new RuntimeException(failed);
}
}
private static void test() throws Exception {
// Will run the test no more than 15 seconds
long endtime = System.nanoTime() + TimeUnit.SECONDS.toNanos(15);
while (failed == null && endtime - System.nanoTime() > 0) {
Clip clip = createClip();
clip.loop(Clip.LOOP_CONTINUOUSLY);
clip.stop();
if (clip.isRunning()) {
if (clip.isRunning()) {
throw new RuntimeException("Clip is running");
}
}
if (clip.isActive()) {
if (clip.isActive()) {
throw new RuntimeException("Clip is active");
}
}
clip.close();
}
}
private static Clip createClip() throws LineUnavailableException {
AudioFormat format =
new AudioFormat(PCM_SIGNED, 44100, 8, 1, 1, 44100, false);
DataLine.Info info = new DataLine.Info(Clip.class, format);
Clip clip = (Clip) AudioSystem.getLine(info);
clip.open(format, new byte[2], 0, 2);
return clip;
}
}
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