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 }