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 SoftTuning load method */
  26 
  27 import javax.sound.midi.MidiUnavailableException;
  28 import javax.sound.midi.Patch;
  29 import javax.sound.sampled.*;
  30 
  31 import com.sun.media.sound.*;
  32 
  33 public class Load9 {
  34 
  35     private static void assertEquals(Object a, Object b) throws Exception
  36     {
  37         if(!a.equals(b))
  38             throw new RuntimeException("assertEquals fails!");
  39     }
  40 
  41     private static void assertTrue(boolean value) throws Exception
  42     {
  43         if(!value)
  44             throw new RuntimeException("assertTrue fails!");
  45     }
  46 
  47     public static void main(String[] args) throws Exception {
  48         // http://www.midi.org/about-midi/tuning-scale.shtml
  49         // 0x09 scale/octave tuning 2-byte form (Non Real-Time/REAL-TIME)
  50         SoftTuning tuning = new SoftTuning();
  51         int[] msg = {0xf0,0x7f,0x7f,0x08,0x09,0x03,0x7f,0x7f,
  52                 5,10,15,20,25,30,35,40,45,50,51,52,
  53                 5,10,15,20,25,30,35,40,45,50,51,52,
  54                 0xf7};
  55         int[] oct = {5,10,15,20,25,30,35,40,45,50,51,52,5,10,15,20,25,30,35,40,45,50,51,52};
  56         byte[] bmsg = new byte[msg.length];
  57         for (int i = 0; i < bmsg.length; i++)
  58             bmsg[i] = (byte)msg[i];
  59         tuning.load(bmsg);
  60         double[] tunings = tuning.getTuning();
  61         for (int i = 0; i < tunings.length; i++)
  62         {
  63             double c = (oct[(i%12)*2]*128 + oct[(i%12)*2+1] -8192)*(100.0/8192.0);
  64             assertTrue(Math.abs(tunings[i]-(i*100 + (c))) < 0.00001);
  65         }
  66     }
  67 }