UnloadInstrument.java revision 8729:0242fce0f717 
1/*
2 * Copyright (c) 2007, 2010, 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 SoftSynthesizer unloadInstrument method */
26
27import javax.sound.midi.MidiDevice;
28import javax.sound.midi.MidiUnavailableException;
29import javax.sound.midi.Patch;
30import javax.sound.midi.Soundbank;
31import javax.sound.sampled.*;
32import javax.sound.midi.MidiDevice.Info;
33
34import com.sun.media.sound.*;
35
36public class UnloadInstrument {
37
38    private static void assertEquals(Object a, Object b) throws Exception
39    {
40        if(!a.equals(b))
41            throw new RuntimeException("assertEquals fails!");
42    }
43
44    private static void assertTrue(boolean value) throws Exception
45    {
46        if(!value)
47            throw new RuntimeException("assertTrue fails!");
48    }
49
50    public static void main(String[] args) throws Exception {
51        AudioSynthesizer synth = new SoftSynthesizer();
52        synth.openStream(null, null);
53        Soundbank defsbk = synth.getDefaultSoundbank();
54        if(defsbk != null)
55        {
56            synth.unloadAllInstruments(defsbk);
57            SimpleSoundbank sbk = new SimpleSoundbank();
58            SimpleInstrument ins = new SimpleInstrument();
59            ins.setPatch(new Patch(0,1));
60            sbk.addInstrument(ins);
61            SimpleInstrument ins2 = new SimpleInstrument();
62            ins2.setPatch(new Patch(0,2));
63            sbk.addInstrument(ins2);
64            synth.loadInstrument(ins2);
65            assertTrue(synth.getLoadedInstruments().length == 1);
66            synth.unloadInstrument(ins2);
67            assertTrue(synth.getLoadedInstruments().length == 0);
68        }
69        synth.close();
70
71    }
72}
73