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.MidiSystem;

    27 import javax.sound.midi.MidiUnavailableException;

    28 import javax.sound.midi.Sequencer;

    29 import javax.sound.midi.Transmitter;

    30 

    31 /**

    32  * @test

    33  * @bug 4931400

    34  * @summary Clarify default connections in default sequencer

    35  */

    36 public class GetSequencer {

    37 

    38     static boolean failed = false;

    39 

    40     public static void main(String args[]) throws Exception {

    41         doTest(1);

    42         doTest(2);

    43         doTest(3);

    44 

    45         if (failed) throw new Exception("Test FAILED!");

    46         out("test OK");

    47     }

    48 

    49     public static void doTest(int mode) {

    50         Sequencer seq = null;

    51         boolean connected = false;

    52 

    53         try {

    54             switch (mode) {

    55             case 1:

    56                 seq = MidiSystem.getSequencer();

    57                 connected = true;

    58                 break;

    59             case 2:

    60                 seq = MidiSystem.getSequencer(false);

    61                 connected = false;

    62                 break;

    63             case 3:

    64                 seq = MidiSystem.getSequencer(true);

    65                 connected = true;

    66                 break;

    67             }

    68             out("Testing Sequencer "+seq);

    69             if (connected) {

    70                 out("  opened in connected mode.");

    71             } else {

    72                 out("  opened in non-connected mode.");

    73             }

    74             System.out.println("  opening...");

    75             seq.open();

    76         } catch (MidiUnavailableException mue) {

    77             System.err.println("MidiUnavailableException was thrown: " + mue);

    78             System.err.println("  could not test this sequencer.");

    79             return;

    80         }

    81 

    82         try {

    83             List<Transmitter> transmitters = seq.getTransmitters();

    84             int size = transmitters.size();

    85             out("  transmitters.size()="+size);

    86             if (size != 1 && connected) {

    87                 out("  should have 1 connection! Failed.");

    88                 failed = true;

    89             }

    90             if (size != 0 && !connected) {

    91                 out("  should have 0 connections! Failed.");

    92                 failed = true;

    93             }

    94             out("  closing...");

    95             seq.close();

    96             transmitters = seq.getTransmitters();

    97             size = transmitters.size();

    98             out("  transmitters.size()="+size);

    99             if (size != 0) {

   100                 out("  should have 0 connections! Failed.");

   101                 failed = true;

   102             }

   103 

   104             out("  opening again...");

   105             seq.open();

   106             transmitters = seq.getTransmitters();

   107             size = transmitters.size();

   108             out("  transmitters.size()="+size);

   109             if (size != 1 && connected) {

   110                 out("  should have 1 connection! Failed.");

   111                 failed = true;

   112             }

   113             if (size != 0 && !connected) {

   114                 out("  should have 0 connections! Failed.");

   115                 failed = true;

   116             }

   117         } catch (Exception e) {

   118             System.err.println("  unexpectedException was thrown: " + e);

   119             System.err.println("  causes this test to FAIL.");

   120             failed = true;

   121         }

   122         seq.close();

   123     }

   124 

   125     static void out(String s) {

   126         System.out.println(s);

   127     }

   128 }