File: DefaultDevices.java

package info (click to toggle)
openjdk-24 24.0.2%2B12-1
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 831,900 kB
  • sloc: java: 5,677,020; cpp: 1,323,154; xml: 1,320,524; ansic: 486,889; asm: 405,131; objc: 21,025; sh: 15,221; javascript: 11,049; python: 8,222; makefile: 2,504; perl: 357; awk: 351; sed: 172; pascal: 103; exp: 54; jsp: 24; csh: 3
file content (227 lines) | stat: -rw-r--r-- 10,099 bytes parent folder | download | duplicates (13)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
/*
 * Copyright (c) 2003, 2016, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

import java.util.List;

import javax.sound.midi.MidiDevice;
import javax.sound.midi.MidiSystem;
import javax.sound.midi.MidiUnavailableException;
import javax.sound.midi.Receiver;
import javax.sound.midi.Sequencer;
import javax.sound.midi.Synthesizer;
import javax.sound.midi.Transmitter;
import javax.sound.midi.spi.MidiDeviceProvider;

import com.sun.media.sound.JDK13Services;

/**
 * @test
 * @bug 4776511
 * @bug 4934509
 * @bug 4938236
 * @key sound
 * @modules java.desktop/com.sun.media.sound
 * @run main/timeout=600 DefaultDevices
 * @summary RFE: Setting the default MixerProvider
 */
/** Test the retrieving of MidiDevices with default device properties.
 * This is a part of the test for 4776511.
 * The test also functions as a unit test for 4934509: SPEC: Document
 * explicitely MidiSystem.getReceiver's behavior
 * and a regession test for 4938236: Crash when opening synthesizer implicitly
 * The test has been updated to reflect a fix for 6411624: MidiSystem.getSequencer()
 * doesn't throw MidiUnavaivableException if no audio card installed (see also
 * 6422786: regression test javax/sound/midi/MidiSystem/DefaultDevices.java fails)
 */
public class DefaultDevices {

    private static final String ERROR_PROVIDER_CLASS_NAME = "abc";
    private static final String ERROR_INSTANCE_NAME = "def";

    private static final Class RECEIVER_CLASS = javax.sound.midi.Receiver.class;
    private static final Class TRANSMITTER_CLASS = javax.sound.midi.Transmitter.class;
    private static final Class SEQUENCER_CLASS = javax.sound.midi.Sequencer.class;
    private static final Class SYNTHESIZER_CLASS = javax.sound.midi.Synthesizer.class;

    public static void main(String[] args) throws Exception {
        boolean allOk = true;
        MidiDevice.Info[] infos;

        out("\nTesting MidiDevices retrieved via MidiSystem");
        infos = MidiSystem.getMidiDeviceInfo();
        allOk &= testDevices(infos, null);

        out("\nTesting MidiDevices retrieved from MidiDeviceProviders");
        List providers = JDK13Services.getProviders(MidiDeviceProvider.class);
        for (int i = 0; i < providers.size(); i++) {
            MidiDeviceProvider provider = (MidiDeviceProvider)providers.get(i);
            infos = provider.getDeviceInfo();
            allOk &= testDevices(infos, provider.getClass().getName());
        }

        if (!allOk) {
            throw new Exception("Test failed");
        } else {
            out("Test passed");
        }
    }

    private static boolean testDevices(MidiDevice.Info[] infos,
            String providerClassName) {
        boolean allOk = true;

        for (int i = 0; i < infos.length; i++) {
            MidiDevice device = null;
            try {
                device = MidiSystem.getMidiDevice(infos[i]);
            } catch (MidiUnavailableException e) {
                out("Exception thrown; Test NOT failed.");
                e.printStackTrace(System.out);
                out("");
            }
            out("\nTesting device: " + device);
            if (device instanceof Sequencer) {
                allOk &= testDevice(device, SEQUENCER_CLASS, providerClassName, true, true);
                // incorrect cases
                allOk &= testDevice(device, SYNTHESIZER_CLASS, providerClassName, false, false);
                allOk &= testDevice(device, RECEIVER_CLASS, providerClassName, false, false);
                allOk &= testDevice(device, TRANSMITTER_CLASS, providerClassName, false, false);
            }
            if (device instanceof Synthesizer) {
                allOk &= testDevice(device, SYNTHESIZER_CLASS, providerClassName, true, true);
                allOk &= testDevice(device, RECEIVER_CLASS, providerClassName, false, true);
                // incorrect cases
                allOk &= testDevice(device, TRANSMITTER_CLASS, providerClassName, false, false);
                allOk &= testDevice(device, SEQUENCER_CLASS, providerClassName, false, false);
            }
            if (device instanceof Receiver) {
                allOk &= testDevice(device, RECEIVER_CLASS, providerClassName, true, true);
                // incorrect cases
                allOk &= testDevice(device, TRANSMITTER_CLASS, providerClassName, false, false);
                allOk &= testDevice(device, SYNTHESIZER_CLASS, providerClassName, false, false);
                allOk &= testDevice(device, SEQUENCER_CLASS, providerClassName, false, false);
            }
            if (device instanceof Transmitter) {
                allOk &= testDevice(device, TRANSMITTER_CLASS, providerClassName, true, true);
                // incorrect cases
                allOk &= testDevice(device, RECEIVER_CLASS, providerClassName, false, false);
                allOk &= testDevice(device, SYNTHESIZER_CLASS, providerClassName, false, false);
                allOk &= testDevice(device, SEQUENCER_CLASS, providerClassName, false, false);
            }
        }
        return allOk;
    }

    private static boolean testDevice(MidiDevice device, Class type,
            String providerClassName, boolean testWrong, boolean expectedResult) {
        boolean allOk = true;
        String instanceName = device.getDeviceInfo().getName();

        // no error
        allOk &= testDevice(device, type, providerClassName,
                            instanceName, expectedResult);

        if (testWrong) {
            // erroneous provider class name, correct instance name
            allOk &= testDevice(device, type, ERROR_PROVIDER_CLASS_NAME,
                                instanceName, expectedResult);

            // correct provider class name, erroneous instance name
            // we presume that provider provides only one class of requested type
            allOk &= testDevice(device, type, providerClassName,
                                ERROR_INSTANCE_NAME, expectedResult);
        }

        return allOk;
    }

    private static boolean testDevice(MidiDevice device, Class type,
            String providerClassName, String instanceName,
            boolean expectedResult) {
        boolean allOk = true;

        try {
            String propertyName = type.getName();
            String propertyValue = (providerClassName != null) ? providerClassName: "" ;
            propertyValue += "#" + instanceName;
            out("property: " + propertyName + "="+ propertyValue);
            System.setProperty(propertyName, propertyValue);
            Object reference = null;
            Object result = null;
            if (type == SEQUENCER_CLASS) {
                reference = device;
                result = MidiSystem.getSequencer();
            } else if (type == SYNTHESIZER_CLASS) {
                reference = device;
                result = MidiSystem.getSynthesizer();
            } else if (type == RECEIVER_CLASS) {
                reference = device.getReceiver();
                result = MidiSystem.getReceiver();
            } else if (type == TRANSMITTER_CLASS) {
                reference = device.getTransmitter();
                result = MidiSystem.getTransmitter();
            }
            out("result: " + result);
            boolean rightDevice = (reference.getClass() == result.getClass());
            if (rightDevice != expectedResult) {
                out("\nERROR: type " + type + " failed:"
                        + " class should" + (expectedResult ? "" : " NOT") + " be '"
                        + reference.getClass()
                        + "' but is '" + result.getClass() + "'!\n");
                allOk = false;
            }
            if (expectedResult
                    && reference instanceof MidiDevice
                    && result instanceof MidiDevice) {
                MidiDevice referenceDevice = (MidiDevice)reference;
                MidiDevice resultDevice = (MidiDevice)result;
                if (!referenceDevice.getDeviceInfo().getName().equals(
                                    resultDevice.getDeviceInfo().getName())) {
                    out("\nERROR: type " + type + " failed: name should be '"
                            + referenceDevice.getDeviceInfo().getName()
                            + "' but is '"
                            + resultDevice.getDeviceInfo().getName() + "'!\n");
                    allOk = false;
                }
            }
            if (result instanceof Receiver) {
                ((Receiver)result).close();
            } else if (result instanceof Transmitter) {
                ((Transmitter)result).close();
            } else if (result instanceof Synthesizer) {
                ((Synthesizer)result).close();
            } else if (result instanceof Sequencer) {
                ((Sequencer)result).close();
            }
        } catch (Exception e) {
            out("Exception thrown; Test NOT failed.");
            e.printStackTrace(System.out);
            out("");
        }
        return allOk;
    }

    private static void out(String message) {
        System.out.println(message);
    }
}