Load1.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 Load1 {
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.shtml
51        // 0x01 BULK TUNING DUMP
52        SoftTuning tuning = new SoftTuning();
53        byte[] name;
54        name = "Testing123      ".getBytes("ascii");
55
56        int[] msg = new int[24+3*128];
57        int[] head = {0xf0,0x7e,0x7f,0x08,0x01,0x00};
58        int ox = 0;
59        for (int i = 0; i < head.length; i++)
60            msg[ox++] = head[i];
61        for (int i = 0; i < name.length; i++)
62            msg[ox++] = name[i];
63        for (int i = 0; i < 128; i++) {
64            msg[ox++] = i;
65            msg[ox++] = 64;
66            msg[ox++] = 0;
67        }
68
69        // Calc checksum
70        int x = msg[1] & 0xFF; // 7E
71        x = x ^ (msg[2] & 0xFF); // <device ID>
72        x = x ^ (msg[4] & 0xFF); // nn
73        x = x ^ (msg[5] & 0xFF); // tt
74        for (int i = 22; i < msg.length - 2; i++)
75            x = x ^ (msg[i] & 0xFF);
76        msg[ox++] = (x & 127);
77
78        msg[ox++] = 0xf7;
79        byte[] bmsg = new byte[msg.length];
80        for (int i = 0; i < bmsg.length; i++)
81            bmsg[i] = (byte)msg[i];
82
83        tuning.load(bmsg);
84        assertEquals(tuning.getName(), "Testing123      ");
85        double[] tunings = tuning.getTuning();
86        for (int i = 0; i < tunings.length; i++)
87            assertTrue(Math.abs(tunings[i]-(i*100 + 50)) < 0.00001);
88
89        // Check if tuning fails if checksum is wrong
90        /*
91        msg[msg.length - 2] += 10;
92        for (int i = 0; i < bmsg.length; i++)
93            bmsg[i] = (byte)msg[i];
94        tuning = new SoftTuning();
95        tuning.load(bmsg);
96        assertTrue(!tuning.getName().equals("Testing123      "));
97        */
98    }
99}
100