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 

    24 import java.util.ArrayList;

    25 import java.util.List;

    26 import java.util.concurrent.CountDownLatch;

    27 

    28 import javax.sound.sampled.AudioFormat;

    29 import javax.sound.sampled.AudioSystem;

    30 import javax.sound.sampled.Clip;

    31 import javax.sound.sampled.DataLine;

    32 import javax.sound.sampled.Line;

    33 import javax.sound.sampled.LineEvent;

    34 import javax.sound.sampled.LineUnavailableException;

    35 

    36 /**

    37  * @test

    38  * @bug 8156169

    39  * @run main/othervm/timeout=300 IsRunningHang

    40  */

    41 public 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 }