1 /*
   2  * Copyright (c) 2001, 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.io.ByteArrayInputStream;
  25 
  26 import javax.sound.sampled.AudioFormat;
  27 import javax.sound.sampled.AudioInputStream;
  28 import javax.sound.sampled.AudioSystem;
  29 import javax.sound.sampled.Clip;
  30 import javax.sound.sampled.DataLine;
  31 import javax.sound.sampled.FloatControl;
  32 
  33 /**
  34  * @test
  35  * @bug 4479444
  36  * @summary Verify that the error string of Clip.open() is meaningful
  37  */
  38 public class ClipOpenBug {
  39 
  40     public static void main(String args[]) throws Exception {
  41         boolean res = true;
  42         try {
  43             AudioInputStream ais = new AudioInputStream(
  44                     new ByteArrayInputStream(new byte[2000]),
  45                     new AudioFormat(8000.0f, 8, 1, false, false), 2000); //
  46             AudioFormat format = ais.getFormat();
  47             DataLine.Info info = new DataLine.Info(Clip.class, format,
  48                                                    ((int) ais.getFrameLength()
  49                                                             * format
  50                                                            .getFrameSize()));
  51             Clip clip = (Clip) AudioSystem.getLine(info);
  52             clip.open();
  53             FloatControl rateControl = (FloatControl) clip.getControl(
  54                     FloatControl.Type.SAMPLE_RATE);
  55             int c = 0;
  56             while (c++ < 10) {
  57                 clip.stop();
  58                 clip.setFramePosition(0);
  59                 clip.start();
  60                 for (float frq = 22000; frq < 44100; frq = frq + 100) {
  61                     try {
  62                         Thread.currentThread().sleep(20);
  63                     } catch (Exception e) {
  64                         break;
  65                     }
  66                     rateControl.setValue(frq);
  67                 }
  68             }
  69         } catch (Exception ex) {
  70             ex.printStackTrace();
  71             res = ex.getMessage().indexOf(
  72                     "This method should not have been invoked!") < 0;
  73         }
  74         if (res) {
  75             System.out.println("Test passed");
  76         } else {
  77             System.out.println("Test failed");
  78             throw new Exception("Test failed");
  79         }
  80     }
  81 }