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 SoftTuning load method */
  28 
  29 import java.io.UnsupportedEncodingException;
  30 
  31 import javax.sound.midi.MidiUnavailableException;
  32 import javax.sound.midi.Patch;
  33 import javax.sound.sampled.*;
  34 
  35 import com.sun.media.sound.*;
  36 
  37 public class Load1 {
  38 
  39     private static void assertEquals(Object a, Object b) throws Exception
  40     {
  41         if(!a.equals(b))
  42             throw new RuntimeException("assertEquals fails!");
  43     }
  44 
  45     private static void assertTrue(boolean value) throws Exception
  46     {
  47         if(!value)
  48             throw new RuntimeException("assertTrue fails!");
  49     }
  50 
  51     public static void main(String[] args) throws Exception {
  52         // http://www.midi.org/about-midi/tuning.shtml
  53         // 0x01 BULK TUNING DUMP
  54         SoftTuning tuning = new SoftTuning();
  55         byte[] name;
  56         name = "Testing123      ".getBytes("ascii");
  57 
  58         int[] msg = new int[24+3*128];
  59         int[] head = {0xf0,0x7e,0x7f,0x08,0x01,0x00};
  60         int ox = 0;
  61         for (int i = 0; i < head.length; i++)
  62             msg[ox++] = head[i];
  63         for (int i = 0; i < name.length; i++)
  64             msg[ox++] = name[i];
  65         for (int i = 0; i < 128; i++) {
  66             msg[ox++] = i;
  67             msg[ox++] = 64;
  68             msg[ox++] = 0;
  69         }
  70 
  71         // Calc checksum
  72         int x = msg[1] & 0xFF; // 7E
  73         x = x ^ (msg[2] & 0xFF); // <device ID>
  74         x = x ^ (msg[4] & 0xFF); // nn
  75         x = x ^ (msg[5] & 0xFF); // tt
  76         for (int i = 22; i < msg.length - 2; i++)
  77             x = x ^ (msg[i] & 0xFF);
  78         msg[ox++] = (x & 127);
  79 
  80         msg[ox++] = 0xf7;
  81         byte[] bmsg = new byte[msg.length];
  82         for (int i = 0; i < bmsg.length; i++)
  83             bmsg[i] = (byte)msg[i];
  84 
  85         tuning.load(bmsg);
  86         assertEquals(tuning.getName(), "Testing123      ");
  87         double[] tunings = tuning.getTuning();
  88         for (int i = 0; i < tunings.length; i++)
  89             assertTrue(Math.abs(tunings[i]-(i*100 + 50)) < 0.00001);
  90 
  91         // Check if tuning fails if checksum is wrong
  92         /*
  93         msg[msg.length - 2] += 10;
  94         for (int i = 0; i < bmsg.length; i++)
  95             bmsg[i] = (byte)msg[i];
  96         tuning = new SoftTuning();
  97         tuning.load(bmsg);
  98         assertTrue(!tuning.getName().equals("Testing123      "));
  99         */
 100     }
 101 }