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.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 /* @test
  27    @summary Test SoftSynthesizer unloadAllInstruments method */
  28 
  29 import javax.sound.midi.MidiDevice;
  30 import javax.sound.midi.MidiUnavailableException;
  31 import javax.sound.midi.Patch;
  32 import javax.sound.midi.Soundbank;
  33 import javax.sound.sampled.*;
  34 import javax.sound.midi.MidiDevice.Info;
  35 
  36 import com.sun.media.sound.*;
  37 
  38 public class UnloadAllInstruments {
  39 
  40     private static void assertEquals(Object a, Object b) throws Exception
  41     {
  42         if(!a.equals(b))
  43             throw new RuntimeException("assertEquals fails!");
  44     }
  45 
  46     private static void assertTrue(boolean value) throws Exception
  47     {
  48         if(!value)
  49             throw new RuntimeException("assertTrue fails!");
  50     }
  51 
  52     public static void main(String[] args) throws Exception {
  53         AudioSynthesizer synth = new SoftSynthesizer();
  54         synth.openStream(null, null);
  55         Soundbank defsbk = synth.getDefaultSoundbank();
  56         if(defsbk != null)
  57         {
  58             synth.unloadAllInstruments(defsbk);
  59             assertTrue(synth.getLoadedInstruments().length == 0);
  60             synth.loadAllInstruments(defsbk);
  61             assertTrue(synth.getLoadedInstruments().length != 0);
  62             synth.unloadAllInstruments(defsbk);
  63             assertTrue(synth.getLoadedInstruments().length == 0);
  64         }
  65         synth.close();
  66 
  67     }
  68 }