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.RandomFileInputStream read() method */
  26 
  27 import java.io.File;
  28 import java.io.FileOutputStream;
  29 import java.io.IOException;
  30 import java.io.InputStream;
  31 
  32 import javax.sound.sampled.*;
  33 
  34 import com.sun.media.sound.*;
  35 
  36 public class Read {
  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 < 8; i++) {
  71                 ModelByteBuffer buff;
  72                 if(i % 2 == 0)
  73                     buff = new ModelByteBuffer(test_file);
  74                 else
  75                     buff = new ModelByteBuffer(test_byte_array);
  76                 if((i / 2) == 1)
  77                     buff.subbuffer(5);
  78                 if((i / 2) == 2)
  79                     buff.subbuffer(5,500);
  80                 if((i / 2) == 3)
  81                     buff.subbuffer(5,600,true);
  82 
  83                 long capacity = buff.capacity();
  84                 InputStream is = buff.getInputStream();
  85                 try
  86                 {
  87                     byte[] b = new byte[100];
  88                     int ret = is.available();
  89                     int n = is.read();
  90                     if(n == -1)
  91                         throw new RuntimeException("is.read shouldn't return -1!");
  92                     if(is.available() != ret - 1)
  93                         throw new RuntimeException(
  94                                 "is.available() returns incorrect value ("
  95                                 + is.available() + "!="+(ret - 1)+") !");
  96                     is.skip(5000);
  97                     if(is.read() != -1)
  98                         throw new RuntimeException(
  99                                 "is.read() doesn't return -1!");
 100                 }
 101                 finally
 102                 {
 103                     is.close();
 104                 }
 105                 if(buff.capacity() != capacity)
 106                     throw new RuntimeException("Capacity variable should not change!");
 107             }
 108         }
 109         finally
 110         {
 111             tearDown();
 112         }
 113     }
 114 
 115 }