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 }