1 /*
   2  * Copyright (c) 2007, 2016, 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 getInputStream method
  26    @modules java.desktop/com.sun.media.sound
  27 */
  28 
  29 import java.io.File;
  30 import java.io.FileOutputStream;
  31 import java.io.InputStream;
  32 import java.nio.file.Files;
  33 import java.nio.file.Paths;
  34 
  35 import javax.sound.sampled.*;
  36 
  37 import com.sun.media.sound.*;
  38 
  39 public class GetInputStream {
  40 
  41     static float[] testarray;
  42     static byte[] test_byte_array;
  43     static File test_file;
  44     static AudioFormat format = new AudioFormat(44100, 16, 1, true, false);
  45 
  46     static void setUp() throws Exception {
  47         testarray = new float[1024];
  48         for (int i = 0; i < 1024; i++) {
  49             double ii = i / 1024.0;
  50             ii = ii * ii;
  51             testarray[i] = (float)Math.sin(10*ii*2*Math.PI);
  52             testarray[i] += (float)Math.sin(1.731 + 2*ii*2*Math.PI);
  53             testarray[i] += (float)Math.sin(0.231 + 6.3*ii*2*Math.PI);
  54             testarray[i] *= 0.3;
  55         }
  56         test_byte_array = new byte[testarray.length*2];
  57         AudioFloatConverter.getConverter(format).toByteArray(testarray, test_byte_array);
  58         test_file = File.createTempFile("test", ".raw");
  59         try (FileOutputStream fos = new FileOutputStream(test_file)) {
  60             fos.write(test_byte_array);
  61         }
  62     }
  63 
  64     static void tearDown() throws Exception {
  65         Files.delete(Paths.get(test_file.getAbsolutePath()));
  66     }
  67 
  68     public static void main(String[] args) throws Exception {
  69         try
  70         {
  71             setUp();
  72 
  73             for (int i = 0; i < 2; i++) {
  74                 ModelByteBuffer buff;
  75                 if(i == 0)
  76                     buff = new ModelByteBuffer(test_file);
  77                 else
  78                     buff = new ModelByteBuffer(test_byte_array);
  79 
  80                 byte[] b = new byte[test_byte_array.length];
  81                 try (InputStream is = buff.getInputStream()) {
  82                     is.read(b);
  83                 }
  84                 for (int j = 0; j < b.length; j++)
  85                     if(b[i] != test_byte_array[i])
  86                          throw new RuntimeException("Byte array compare fails!");
  87             }
  88         }
  89         finally
  90         {
  91             tearDown();
  92         }
  93     }
  94 
  95 }