1 /* 2 * Copyright (c) 2003, 2016, 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 import java.util.List; 25 26 import javax.sound.midi.MidiDevice; 27 import javax.sound.midi.MidiSystem; 28 import javax.sound.midi.MidiUnavailableException; 29 import javax.sound.midi.Receiver; 30 import javax.sound.midi.Transmitter; 31 32 /** 33 * @test 34 * @bug 4931387 35 * @summary Add methods to MidiDevice to get list of Transmitters and Receivers 36 */ 37 public class MidiDeviceGetReceivers { 38 39 private static boolean executed = false; 40 private static boolean failed = false; 41 main(String[] args)42 public static void main(String[] args) throws Exception { 43 out("unit test 4931387: Add methods to MidiDevice to get list of Transmitters and Receivers"); 44 doAllTests(); 45 if (executed) { 46 if (failed) throw new Exception("Test FAILED!"); 47 out("Test PASSED."); 48 } else { 49 out("Test NOT failed."); 50 } 51 } 52 doAllTests()53 private static void doAllTests() { 54 MidiDevice.Info[] infos = MidiSystem.getMidiDeviceInfo(); 55 for (int i = 0; i < infos.length; i++) { 56 MidiDevice device = null; 57 try { 58 device = MidiSystem.getMidiDevice(infos[i]); 59 doTest(device); 60 } catch (MidiUnavailableException e) { 61 out("Exception occured when retrieving device "+infos[i]+": "+e); 62 } 63 } 64 if (infos.length == 0) { 65 out("No MIDI devices exist or sound drivers not installed!"); 66 } 67 } 68 containsReceiver(MidiDevice dev, Receiver rec)69 private static boolean containsReceiver(MidiDevice dev, Receiver rec) { 70 List<Receiver> recvs = dev.getReceivers(); 71 return recvs.contains(rec); 72 } 73 containsTransmitter(MidiDevice dev, Transmitter tra)74 private static boolean containsTransmitter(MidiDevice dev, Transmitter tra) { 75 List<Transmitter> tras = dev.getTransmitters(); 76 return tras.contains(tra); 77 } 78 doTest(MidiDevice device)79 private static void doTest(MidiDevice device) { 80 boolean thisFailed = false; 81 out1("Testing: " + device+"..."); 82 try { 83 device.open(); 84 } catch (Exception e) { 85 out2("device.open threw exception: "+e); 86 out2("cannot test this device."); 87 return; 88 } 89 if (device.getMaxReceivers() != 0) { 90 // device offers receivers 91 try { 92 List<Receiver> origList = device.getReceivers(); 93 Receiver rec = device.getReceiver(); 94 if (!containsReceiver(device, rec)) { 95 out2("Getting a receiver did not add it to device list!"); 96 thisFailed = true; 97 } 98 if (origList.contains(rec)) { 99 out2("Original unmodifiable list was modified by adding a receiver!"); 100 thisFailed = true; 101 } 102 rec.close(); 103 if (containsReceiver(device, rec)) { 104 out2("Closing a receiver did not remove it from device list!"); 105 thisFailed = true; 106 } 107 // add a new receiver so that the device.close will really test 108 // that the receiver is removed 109 rec = device.getReceiver(); 110 if (!containsReceiver(device, rec)) { 111 out2("Getting a receiver again did not add it to device list!"); 112 thisFailed = true; 113 } 114 } catch (MidiUnavailableException e) { 115 out2("Exception on getting Receiver: " + e); 116 } 117 } 118 if (device.getMaxTransmitters() != 0) { 119 // device offers transmitters 120 try { 121 List<Transmitter> origList = device.getTransmitters(); 122 Transmitter tra = device.getTransmitter(); 123 if (!containsTransmitter(device, tra)) { 124 out2("Getting a transmitter did not add it to device list!"); 125 thisFailed = true; 126 } 127 if (origList.contains(tra)) { 128 out2("Original unmodifiable list was modified by adding a transmitter!"); 129 thisFailed = true; 130 } 131 tra.close(); 132 if (containsTransmitter(device, tra)) { 133 out2("Closing a transmitter did not remove it from device list!"); 134 thisFailed = true; 135 } 136 tra = device.getTransmitter(); 137 if (!containsTransmitter(device, tra)) { 138 out2("Getting a transmitter again did not add it to device list!"); 139 thisFailed = true; 140 } 141 } catch (MidiUnavailableException e) { 142 out("Exception on getting Transmitter: " + e); 143 } 144 } 145 try { 146 device.close(); 147 if (device.getTransmitters().size() > 0) { 148 out2(" Device still has transmitters after close() was called!"); 149 thisFailed = true; 150 } 151 if (device.getReceivers().size() > 0) { 152 out2(" Device still has receivers after close() was called!"); 153 thisFailed = true; 154 } 155 } catch (Exception e) { 156 out2("device.close threw exception: "+e); 157 } 158 if (!thisFailed) { 159 out("OK"); 160 } else { 161 failed = true; 162 } 163 executed = true; 164 } 165 166 static boolean lfMissing = false; 167 out(String message)168 private static void out(String message) { 169 lfMissing = true; 170 System.out.println(message); 171 } 172 173 /* don't print LF at end */ out1(String message)174 private static void out1(String message) { 175 System.out.print(message); 176 lfMissing = true; 177 } 178 179 /* print at a new line, indented */ out2(String message)180 private static void out2(String message) { 181 if (lfMissing) { 182 System.out.println(); 183 lfMissing = false; 184 } 185 System.out.println(" "+message); 186 } 187 } 188