1 /* 2 * Copyright (c) 2007, 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 getChannels method 26 @modules java.desktop/com.sun.media.sound 27 */ 28 29 import javax.sound.midi.MidiChannel; 30 import javax.sound.midi.MidiDevice; 31 import javax.sound.midi.MidiUnavailableException; 32 import javax.sound.midi.Patch; 33 import javax.sound.sampled.*; 34 import javax.sound.midi.MidiDevice.Info; 35 36 import com.sun.media.sound.*; 37 38 public class GetChannels { 39 40 private static void assertEquals(Object a, Object b) throws Exception 41 { 42 if(!a.equals(b)) 43 throw new RuntimeException("assertEquals fails!"); 44 } 45 46 private static void assertTrue(boolean value) throws Exception 47 { 48 if(!value) 49 throw new RuntimeException("assertTrue fails!"); 50 } 51 52 public static void main(String[] args) throws Exception { 53 AudioSynthesizer synth = new SoftSynthesizer(); 54 synth.openStream(null, null); 55 assertTrue(synth.getChannels() != null); 56 assertTrue(synth.getChannels().length == 16); 57 MidiChannel[] channels = synth.getChannels(); 58 for (int i = 0; i < channels.length; i++) { 59 assertTrue(channels[i] != null); 60 } 61 synth.close(); 62 63 } 64 }