test/javax/sound/midi/Gervill/SoftSynthesizer/GetMicrosecondPosition.java

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

import java.io.IOException;

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

import com.sun.media.sound.*;

public class GetMicrosecondPosition {

    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();
        AudioInputStream stream = synth.openStream(null, null);
        assertTrue(synth.getMicrosecondPosition() == 0);
        AudioFormat format = stream.getFormat();
        byte[] buff = new byte[((int)format.getFrameRate())*format.getFrameSize()];;
        stream.read(buff);
        assertTrue(Math.abs(synth.getMicrosecondPosition()-1000000) < 10000);
        synth.close();

    }
}