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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
 * 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).
 *
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 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 */

/* @test
   @summary Test SoftSynthesizer unloadInstrument 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 UnloadInstrument {

    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.unloadInstrument(ins2);
            assertTrue(synth.getLoadedInstruments().length == 0);
        }
        synth.close();

    }
}
