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 subbuffer(long) method */
  26 
  27 import java.io.File;
  28 import java.io.FileOutputStream;
  29 
  30 import javax.sound.sampled.*;
  31 
  32 import com.sun.media.sound.*;
  33 
  34 public class SubbufferLong {
  35 
  36     static float[] testarray;
  37     static byte[] test_byte_array;
  38     static File test_file;
  39     static AudioFormat format = new AudioFormat(44100, 16, 1, true, false);
  40 
  41     static void setUp() throws Exception {
  42         testarray = new float[1024];
  43         for (int i = 0; i < 1024; i++) {
  44             double ii = i / 1024.0;
  45             ii = ii * ii;
  46             testarray[i] = (float)Math.sin(10*ii*2*Math.PI);
  47             testarray[i] += (float)Math.sin(1.731 + 2*ii*2*Math.PI);
  48             testarray[i] += (float)Math.sin(0.231 + 6.3*ii*2*Math.PI);
  49             testarray[i] *= 0.3;
  50         }
  51         test_byte_array = new byte[testarray.length*2];
  52         AudioFloatConverter.getConverter(format).toByteArray(testarray, test_byte_array);
  53         test_file = File.createTempFile("test", ".raw");
  54         FileOutputStream fos = new FileOutputStream(test_file);
  55         fos.write(test_byte_array);
  56     }
  57 
  58     static void tearDown() throws Exception {
  59         if(!test_file.delete())
  60             test_file.deleteOnExit();
  61     }
  62 
  63     public static void main(String[] args) throws Exception {
  64         try
  65         {
  66             setUp();
  67 
  68             for (int i = 0; i < 2; i++) {
  69                 ModelByteBuffer buff;
  70                 if(i == 0)
  71                     buff = new ModelByteBuffer(test_file);
  72                 else
  73                     buff = new ModelByteBuffer(test_byte_array);
  74 
  75                 ModelByteBuffer buff2 = buff.subbuffer(10);
  76                 if(buff2.getFilePointer() != buff.getFilePointer())
  77                     throw new RuntimeException("buff2.getFilePointer() incorreect!");
  78                 if(buff2.arrayOffset() != 10)
  79                     throw new RuntimeException("buff2.arrayOffset() not 10!");
  80                 if(buff2.capacity() != buff.capacity()-10)
  81                     throw new RuntimeException("buff2.capacity() not correct!");
  82             }
  83         }
  84         finally
  85         {
  86             tearDown();
  87         }
  88     }
  89 
  90 }