Load9.java revision 8729:0242fce0f717 
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
27import javax.sound.midi.MidiUnavailableException;
28import javax.sound.midi.Patch;
29import javax.sound.sampled.*;
30
31import com.sun.media.sound.*;
32
33public 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}
68