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 
  27 import javax.sound.midi.MidiDevice;
  28 import javax.sound.midi.MidiUnavailableException;
  29 import javax.sound.midi.Patch;
  30 import javax.sound.midi.Soundbank;
  31 import javax.sound.sampled.*;
  32 import javax.sound.midi.MidiDevice.Info;
  33 
  34 import com.sun.media.sound.*;
  35 
  36 public 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 }