public static void main(String[] args) throws Exception {
    SoftTestUtils soft = new SoftTestUtils();
    MidiChannel channel = soft.synth.getChannels()[0];

    channel.noteOn(60, 64);
    soft.read(1);
    VoiceStatus[] v = soft.synth.getVoiceStatus();
    assertEquals(v[0].note, 60);
    assertEquals(v[0].active, true);
    channel.allNotesOff();
    soft.read(1);
    v = soft.synth.getVoiceStatus();
    assertEquals(v[0].active, false);

    soft.close();
  }