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Source Code of LoadInstrument

/*
* Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.  Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/

/* @test
   @summary Test SoftSynthesizer loadAllInstrument method */

import javax.sound.midi.MidiDevice;
import javax.sound.midi.MidiUnavailableException;
import javax.sound.midi.Patch;
import javax.sound.midi.Soundbank;
import javax.sound.sampled.*;
import javax.sound.midi.MidiDevice.Info;

import com.sun.media.sound.*;

public class LoadInstrument {
 
  private static void assertEquals(Object a, Object b) throws Exception
  {
    if(!a.equals(b))
      throw new RuntimeException("assertEquals fails!");
 
 
  private static void assertTrue(boolean value) throws Exception
  {
    if(!value)
      throw new RuntimeException("assertTrue fails!");
  }
   
  public static void main(String[] args) throws Exception {
    AudioSynthesizer synth = new SoftSynthesizer();
    synth.openStream(null, null);
    Soundbank defsbk = synth.getDefaultSoundbank();
    if(defsbk != null)
    {
      synth.unloadAllInstruments(defsbk);
      SimpleSoundbank sbk = new SimpleSoundbank();
      SimpleInstrument ins = new SimpleInstrument();
      ins.setPatch(new Patch(0,1));
      sbk.addInstrument(ins);
      SimpleInstrument ins2 = new SimpleInstrument();
      ins2.setPatch(new Patch(0,2));
      sbk.addInstrument(ins2);
      synth.loadInstrument(ins2);
      assertTrue(synth.getLoadedInstruments().length == 1);
    }
    synth.close();
   
  }
}
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