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3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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13  * accompanied this code).
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23 
24 import javax.sound.midi.MidiDevice;
25 import javax.sound.midi.MidiSystem;
26 import javax.sound.midi.MidiUnavailableException;
27 
28 /**
29  * @test
30  * @bug 4356787
31  * @summary MIDI device I/O is not working
32  */
33 public class MidiIO {
34 
35     public static void main(String[] args) throws Exception {
36         out("4356787: MIDI device I/O is not working (windows)");
37 
38         if (System.getProperty("os.name").startsWith("Windows")) {
39             boolean forInput=true;
40             boolean forOutput=true;
41             int outOnlyCount=0;
main(String[] args)42             int inOnlyCount=0;
43             out("  available MIDI devices:");
44             MidiDevice.Info[] aInfos = MidiSystem.getMidiDeviceInfo();
45             for (int i = 0; i < aInfos.length; i++) {
46                 try {
47                     MidiDevice      device = MidiSystem.getMidiDevice(aInfos[i]);
48                     boolean         bAllowsInput = (device.getMaxTransmitters() != 0);
49                     boolean         bAllowsOutput = (device.getMaxReceivers() != 0);
50                     if (bAllowsInput && !bAllowsOutput) {
51                         inOnlyCount++;
52                     }
doAllTests()53                     if (!bAllowsInput && bAllowsOutput) {
54                         outOnlyCount++;
55                     }
56                     if ((bAllowsInput && forInput) || (bAllowsOutput && forOutput)) {
57                         out(""+i+"  "
58                                 +(bAllowsInput?"IN ":"   ")
59                                 +(bAllowsOutput?"OUT ":"    ")
60                                 +aInfos[i].getName()+", "
61                                 +aInfos[i].getVendor()+", "
62                                 +aInfos[i].getVersion()+", "
63                                 +aInfos[i].getDescription());
64                     }
65                 }
66                 catch (MidiUnavailableException e) {
67                     // device is obviously not available...
68                 }
containsReceiver(MidiDevice dev, Receiver rec)69             }
70             if (aInfos.length == 0) {
71                 out("No devices available. Test should be run on systems with MIDI drivers installed.");
72             } else {
73                 if (outOnlyCount>1) {
containsTransmitter(MidiDevice dev, Transmitter tra)74                     if (inOnlyCount==0) {
75                         //throw new Exception("No input devices! test fails.");
76                         out("System provides out devices, but no input devices. This means either");
77                         out("a bug in Java Sound, or the drivers are not set up correctly.");
78                     }
doTest(MidiDevice device)79                     out("Test passed.");
80                 } else {
81                     out("no MIDI I/O installed. Test should be run on systems with MIDI drivers installed.");
82                 }
83             }
84         } else {
85             out("  -- not on Windows. Test doesn't apply.");
86         }
87     }
88 
89     static void out(String s) {
90         System.out.println(s); System.out.flush();
91     }
92 }
93