1 /*
   2  * Copyright (c) 2007, 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 /* @test
  25    @summary Test ModelByteBuffer unload method */
  26 
  27 import java.io.File;
  28 import java.io.FileOutputStream;
  29 import java.io.IOException;
  30 
  31 import javax.sound.sampled.*;
  32 
  33 import com.sun.media.sound.*;
  34 
  35 public class Unload {
  36 
  37     static float[] testarray;
  38     static byte[] test_byte_array;
  39     static File test_file;
  40     static AudioFormat format = new AudioFormat(44100, 16, 1, true, false);
  41 
  42     static void setUp() throws Exception {
  43         testarray = new float[1024];
  44         for (int i = 0; i < 1024; i++) {
  45             double ii = i / 1024.0;
  46             ii = ii * ii;
  47             testarray[i] = (float)Math.sin(10*ii*2*Math.PI);
  48             testarray[i] += (float)Math.sin(1.731 + 2*ii*2*Math.PI);
  49             testarray[i] += (float)Math.sin(0.231 + 6.3*ii*2*Math.PI);
  50             testarray[i] *= 0.3;
  51         }
  52         test_byte_array = new byte[testarray.length*2];
  53         AudioFloatConverter.getConverter(format).toByteArray(testarray, test_byte_array);
  54         test_file = File.createTempFile("test", ".raw");
  55         FileOutputStream fos = new FileOutputStream(test_file);
  56         fos.write(test_byte_array);
  57     }
  58 
  59     static void tearDown() throws Exception {
  60         if(!test_file.delete())
  61             test_file.deleteOnExit();
  62     }
  63 
  64     public static void main(String[] args) throws Exception {
  65         try
  66         {
  67             setUp();
  68 
  69             ModelByteBuffer buff = new ModelByteBuffer(test_file);
  70             buff.load();
  71             buff.unload();
  72             if(buff.array() != null)
  73                 throw new RuntimeException("buff.array() not null!");
  74         }
  75         finally
  76         {
  77             tearDown();
  78         }
  79     }
  80 
  81 }