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 subbuffer(long) method */
  28 
  29 import java.io.File;
  30 import java.io.FileOutputStream;
  31 
  32 import javax.sound.sampled.*;
  33 
  34 import com.sun.media.sound.*;
  35 
  36 public class SubbufferLong {
  37 
  38     static float[] testarray;
  39     static byte[] test_byte_array;
  40     static File test_file;
  41     static AudioFormat format = new AudioFormat(44100, 16, 1, true, false);
  42 
  43     static void setUp() throws Exception {
  44         testarray = new float[1024];
  45         for (int i = 0; i < 1024; i++) {
  46             double ii = i / 1024.0;
  47             ii = ii * ii;
  48             testarray[i] = (float)Math.sin(10*ii*2*Math.PI);
  49             testarray[i] += (float)Math.sin(1.731 + 2*ii*2*Math.PI);
  50             testarray[i] += (float)Math.sin(0.231 + 6.3*ii*2*Math.PI);
  51             testarray[i] *= 0.3;
  52         }
  53         test_byte_array = new byte[testarray.length*2];
  54         AudioFloatConverter.getConverter(format).toByteArray(testarray, test_byte_array);
  55         test_file = File.createTempFile("test", ".raw");
  56         FileOutputStream fos = new FileOutputStream(test_file);
  57         fos.write(test_byte_array);
  58     }
  59 
  60     static void tearDown() throws Exception {
  61         if(!test_file.delete())
  62             test_file.deleteOnExit();
  63     }
  64 
  65     public static void main(String[] args) throws Exception {
  66         try
  67         {
  68             setUp();
  69 
  70             for (int i = 0; i < 2; i++) {
  71                 ModelByteBuffer buff;
  72                 if(i == 0)
  73                     buff = new ModelByteBuffer(test_file);
  74                 else
  75                     buff = new ModelByteBuffer(test_byte_array);
  76 
  77                 ModelByteBuffer buff2 = buff.subbuffer(10);
  78                 if(buff2.getFilePointer() != buff.getFilePointer())
  79                     throw new RuntimeException("buff2.getFilePointer() incorreect!");
  80                 if(buff2.arrayOffset() != 10)
  81                     throw new RuntimeException("buff2.arrayOffset() not 10!");
  82                 if(buff2.capacity() != buff.capacity()-10)
  83                     throw new RuntimeException("buff2.capacity() not correct!");
  84             }
  85         }
  86         finally
  87         {
  88             tearDown();
  89         }
  90     }
  91 
  92 }