1 /*
   2  * Copyright (c) 2008, 2015, 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.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /* @test
  25    @summary Test SoftSynthesizer getReceiver method 
  26    @modules java.desktop/com.sun.media.sound
  27 */
  28 
  29 import javax.sound.midi.Receiver;
  30 import javax.sound.midi.ShortMessage;
  31 
  32 import com.sun.media.sound.AudioSynthesizer;
  33 import com.sun.media.sound.SoftSynthesizer;
  34 
  35 public class GetReceiver2 {
  36 
  37     private static void assertTrue(boolean value) throws Exception
  38     {
  39         if(!value)
  40             throw new RuntimeException("assertTrue fails!");
  41     }
  42 
  43     public static void main(String[] args) throws Exception {
  44         AudioSynthesizer synth = new SoftSynthesizer();
  45         Receiver recv = synth.getReceiver();
  46         assertTrue(recv != null);
  47         ShortMessage sm = new ShortMessage();
  48         sm.setMessage(ShortMessage.NOTE_OFF, 0, 64, 64);
  49         synth.open(new DummySourceDataLine(), null);
  50         recv.send(sm, -1);
  51         synth.close();
  52         try
  53         {
  54             recv.send(sm, -1);
  55             throw new RuntimeException("Exception not thrown!");
  56         }
  57         catch(Exception e)
  58         {
  59             // Just checking if exception is thrown
  60         }
  61     }
  62 }