1 /* 2 * Copyright (c) 2018, 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 import java.util.concurrent.TimeUnit; 25 26 import javax.sound.sampled.AudioFormat; 27 import javax.sound.sampled.AudioSystem; 28 import javax.sound.sampled.Clip; 29 import javax.sound.sampled.DataLine; 30 import javax.sound.sampled.LineUnavailableException; 31 32 import static javax.sound.sampled.AudioFormat.Encoding.PCM_SIGNED; 33 34 /** 35 * @test 36 * @bug 8207150 37 * @summary Clip.isRunning() may return true after Clip.stop() was called 38 */ 39 public final class ClipIsRunningAfterStop { 40 41 private static volatile Exception failed; 42 43 public static void main(final String[] args) throws Exception { 44 final Runnable r = () -> { 45 try { 46 test(); 47 } catch (LineUnavailableException | IllegalArgumentException ignored) { 48 // the test is not applicable 49 } catch (Exception ex) { 50 failed = ex; 51 } 52 }; 53 Thread t1 = new Thread(r); 54 Thread t2 = new Thread(r); 55 Thread t3 = new Thread(r); 56 t1.start(); 57 t2.start(); 58 t3.start(); 59 t1.join(); 60 t2.join(); 61 t3.join(); 62 if (failed != null) { 63 throw new RuntimeException(failed); 64 } 65 } 66 67 private static void test() throws Exception { 68 // Will run the test no more than 15 seconds 69 long endtime = System.nanoTime() + TimeUnit.SECONDS.toNanos(15); 70 while (failed == null && endtime - System.nanoTime() > 0) { 71 Clip clip = createClip(); 72 clip.loop(Clip.LOOP_CONTINUOUSLY); 73 clip.stop(); 74 if (clip.isRunning()) { 75 if (clip.isRunning()) { 76 throw new RuntimeException("Clip is running"); 77 } 78 } 79 if (clip.isActive()) { 80 if (clip.isActive()) { 81 throw new RuntimeException("Clip is active"); 82 } 83 } 84 clip.close(); 85 } 86 } 87 88 private static Clip createClip() throws LineUnavailableException { 89 AudioFormat format = 90 new AudioFormat(PCM_SIGNED, 44100, 8, 1, 1, 44100, false); 91 DataLine.Info info = new DataLine.Info(Clip.class, format); 92 Clip clip = (Clip) AudioSystem.getLine(info); 93 clip.open(format, new byte[2], 0, 2); 94 return clip; 95 } 96 }