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
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
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
69 private static boolean containsReceiver(MidiDevice dev, Receiver rec) {
70 List<Receiver> recvs = dev.getReceivers();
71 return recvs.contains(rec);
72 }
73
74 private static boolean containsTransmitter(MidiDevice dev, Transmitter tra) {
75 List<Transmitter> tras = dev.getTransmitters();
76 return tras.contains(tra);
77 }
78
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
168 private static void out(String message) {
169 lfMissing = true;
170 System.out.println(message);
171 }
172
173 /* don't print LF at end */
174 private static void out1(String message) {
175 System.out.print(message);
176 lfMissing = true;
177 }
178
179 /* print at a new line, indented */
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 }