1/* 2 * Copyright (c) 2016, 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.ArrayList; 25import java.util.List; 26import java.util.concurrent.CountDownLatch; 27 28import javax.sound.sampled.AudioFormat; 29import javax.sound.sampled.AudioSystem; 30import javax.sound.sampled.Clip; 31import javax.sound.sampled.DataLine; 32import javax.sound.sampled.Line; 33import javax.sound.sampled.LineEvent; 34import javax.sound.sampled.LineUnavailableException; 35 36/** 37 * @test 38 * @bug 8156169 39 * @run main/othervm/timeout=300 IsRunningHang 40 */ 41public final class IsRunningHang { 42 43 private static CountDownLatch go; 44 45 /** 46 * We will try to use all usually supported formats. 47 */ 48 private static final List<AudioFormat> formats = new ArrayList<>(); 49 50 private static final AudioFormat.Encoding[] encodings = { 51 AudioFormat.Encoding.ALAW, AudioFormat.Encoding.ULAW, 52 AudioFormat.Encoding.PCM_SIGNED, AudioFormat.Encoding.PCM_UNSIGNED, 53 AudioFormat.Encoding.PCM_FLOAT 54 }; 55 56 private static final int[] sampleRates = {8000, 16000, 48000}; 57 58 private static final int[] sampleBits = {8, 16, 24, 32, 64}; 59 60 private static final int[] channels = {1, 2, 3, 5}; 61 62 static { 63 for (final Boolean end : new boolean[]{false, true}) { 64 for (final int sampleSize : sampleBits) { 65 for (final int sampleRate : sampleRates) { 66 for (final int channel : channels) { 67 for (final AudioFormat.Encoding enc : encodings) { 68 int s = ((sampleSize + 7) / 8) * channel; 69 formats.add(new AudioFormat(enc, sampleRate, 70 sampleSize, channel, 71 s, sampleRate, end)); 72 } 73 } 74 } 75 } 76 } 77 } 78 79 public static void main(final String[] args) throws Exception { 80 for (final AudioFormat format : formats) { 81 System.out.println("format = " + format); 82 // create a 0.5-second data 83 byte[] soundData = new byte[(int) (format.getFrameRate() 84 * format.getFrameSize() 85 / 2)]; 86 try { 87 test(format, soundData); 88 } catch (LineUnavailableException | IllegalArgumentException ignored) { 89 // the test is not applicable 90 } 91 } 92 } 93 94 private static void test(final AudioFormat format, final byte[] data) 95 throws Exception { 96 final Line.Info info = new DataLine.Info(Clip.class, format); 97 final Clip clip = (Clip) AudioSystem.getLine(info); 98 99 go = new CountDownLatch(1); 100 clip.addLineListener(event -> { 101 if (event.getType().equals(LineEvent.Type.START)) { 102 go.countDown(); 103 } 104 }); 105 106 clip.open(format, data, 0, data.length); 107 clip.start(); 108 go.await(); 109 while (clip.isRunning()) { 110 // This loop should not hang 111 } 112 while (clip.isActive()) { 113 // This loop should not hang 114 } 115 clip.close(); 116 } 117} 118