Load5.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 java.io.UnsupportedEncodingException;
28
29import javax.sound.midi.MidiUnavailableException;
30import javax.sound.midi.Patch;
31import javax.sound.sampled.*;
32
33import com.sun.media.sound.*;
34
35public class Load5 {
36
37    private static void assertEquals(Object a, Object b) throws Exception
38    {
39        if(!a.equals(b))
40            throw new RuntimeException("assertEquals fails!");
41    }
42
43    private static void assertTrue(boolean value) throws Exception
44    {
45        if(!value)
46            throw new RuntimeException("assertTrue fails!");
47    }
48
49    public static void main(String[] args) throws Exception {
50        // http://www.midi.org/about-midi/tuning_extens.shtml
51        // 0x05 SCALE/OCTAVE TUNING DUMP, 1 byte format
52        SoftTuning tuning = new SoftTuning();
53
54        byte[] name;
55        name = "Testing123      ".getBytes("ascii");
56        int[] msg = {0xf0,0x7e,0x7f,0x08,0x05,0,0,
57                name[0],name[1],name[2],name[3],name[4],name[5],name[6],
58                name[7],name[8],name[9],name[10],name[11],name[12],name[13],
59                name[14],name[15],
60                5,10,15,20,25,30,35,40,45,50,51,52,0,
61                0xf7};
62        // Calc checksum
63        int x = msg[1] & 0xFF;
64        for (int i = 2; i < msg.length - 2; i++)
65            x = x ^ (msg[i] & 0xFF);
66        msg[msg.length-2] = (x & 127);
67
68        int[] oct = {5,10,15,20,25,30,35,40,45,50,51,52};
69        byte[] bmsg = new byte[msg.length];
70        for (int i = 0; i < bmsg.length; i++)
71            bmsg[i] = (byte)msg[i];
72        tuning.load(bmsg);
73        double[] tunings = tuning.getTuning();
74        for (int i = 0; i < tunings.length; i++)
75            assertTrue(Math.abs(tunings[i]-(i*100 + (oct[i%12]-64))) < 0.00001);
76
77        // Check if tuning fails if checksum is wrong
78        msg[msg.length - 2] += 10;
79        for (int i = 0; i < bmsg.length; i++)
80            bmsg[i] = (byte)msg[i];
81        tuning = new SoftTuning();
82        tuning.load(bmsg);
83        assertTrue(!tuning.getName().equals("Testing123      "));
84    }
85}
86