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.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 /* @test
  27    @summary Test ModelByteBuffer unload method */
  28 
  29 import java.io.File;
  30 import java.io.FileOutputStream;
  31 import java.io.IOException;
  32 
  33 import javax.sound.sampled.*;
  34 
  35 import com.sun.media.sound.*;
  36 
  37 public class Unload {
  38 
  39     static float[] testarray;
  40     static byte[] test_byte_array;
  41     static File test_file;
  42     static AudioFormat format = new AudioFormat(44100, 16, 1, true, false);
  43 
  44     static void setUp() throws Exception {
  45         testarray = new float[1024];
  46         for (int i = 0; i < 1024; i++) {
  47             double ii = i / 1024.0;
  48             ii = ii * ii;
  49             testarray[i] = (float)Math.sin(10*ii*2*Math.PI);
  50             testarray[i] += (float)Math.sin(1.731 + 2*ii*2*Math.PI);
  51             testarray[i] += (float)Math.sin(0.231 + 6.3*ii*2*Math.PI);
  52             testarray[i] *= 0.3;
  53         }
  54         test_byte_array = new byte[testarray.length*2];
  55         AudioFloatConverter.getConverter(format).toByteArray(testarray, test_byte_array);
  56         test_file = File.createTempFile("test", ".raw");
  57         FileOutputStream fos = new FileOutputStream(test_file);
  58         fos.write(test_byte_array);
  59     }
  60 
  61     static void tearDown() throws Exception {
  62         if(!test_file.delete())
  63             test_file.deleteOnExit();
  64     }
  65 
  66     public static void main(String[] args) throws Exception {
  67         try
  68         {
  69             setUp();
  70 
  71             ModelByteBuffer buff = new ModelByteBuffer(test_file);
  72             buff.load();
  73             buff.unload();
  74             if(buff.array() != null)
  75                 throw new RuntimeException("buff.array() not null!");
  76         }
  77         finally
  78         {
  79             tearDown();
  80         }
  81     }
  82 
  83 }