1 /*
   2  * Copyright (c) 2002, 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 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;
  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                     }
  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                 }
  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) {
  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                     }
  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 }