GetChannels.java revision 829:b06c29386f63
1/* 2 * Copyright 2007 Sun Microsystems, Inc. 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. Sun designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Sun in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, 22 * CA 95054 USA or visit www.sun.com if you need additional information or 23 * have any questions. 24 */ 25 26/* @test 27 @summary Test SoftSynthesizer getChannels method */ 28 29import javax.sound.midi.MidiChannel; 30import javax.sound.midi.MidiDevice; 31import javax.sound.midi.MidiUnavailableException; 32import javax.sound.midi.Patch; 33import javax.sound.sampled.*; 34import javax.sound.midi.MidiDevice.Info; 35 36import com.sun.media.sound.*; 37 38public 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} 65