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 javax.sound.midi.MidiEvent;

    25 import javax.sound.midi.Sequence;

    26 import javax.sound.midi.ShortMessage;

    27 import javax.sound.midi.Track;

    28 

    29 /**

    30  * @test

    31  * @bug 4941944

    32  * @summary Track may not have a determined order for inserting events at same

    33  *          tick time

    34  */

    35 public class TrackAddSameTick {

    36 

    37     static boolean failed = false;

    38     static MidiEvent[] evs = new MidiEvent[10];

    39 

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

    41         Sequence seq = new Sequence(Sequence.PPQ, 240);

    42         Track t = seq.createTrack();

    43 

    44         log("add 10 events in random order");

    45         t.add(createEvent(10, 5));

    46         t.add(createEvent(0, 0));

    47         t.add(createEvent(10, 6));

    48         t.add(createEvent(11, 8));

    49         t.add(createEvent(10, 7));

    50         t.add(createEvent(0, 1));

    51         t.add(createEvent(0, 2));

    52         t.add(createEvent(15, 9));

    53         t.add(createEvent(0, 3));

    54         t.add(createEvent(1, 4));

    55 

    56         // now compare the events.

    57         // The note param will tell us the

    58         // the expected position

    59         long lastTick = 0;

    60         for (int i = 0; i < t.size(); i++) {

    61             MidiEvent ev = t.get(i);

    62             if (ev.getMessage() instanceof ShortMessage) {

    63                 ShortMessage msg = (ShortMessage) ev.getMessage();

    64                 log(""+i+": ShortMessage at tick "+ev.getTick()

    65                     +" with expected position "+msg.getData1());

    66                 if (ev.getTick() < lastTick) {

    67                     log("  FAILED: last tick is larger than this event's tick!");

    68                     failed = true;

    69                 }

    70                 if (i != msg.getData1()) {

    71                     log("  FAILED: Track did not order correctly.");

    72                     failed = true;

    73                 }

    74             }

    75         }

    76 

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

    78         log("Test passed.");

    79     }

    80 

    81     public static MidiEvent createEvent(long tick, int expectedPos)

    82         throws Exception {

    83         ShortMessage msg = new ShortMessage();

    84         msg.setMessage(0x90, (int) expectedPos, 00);

    85         MidiEvent ev = new MidiEvent(msg, tick);

    86         return ev;

    87     }

    88 

    89     public static void log(String s) {

    90         System.out.println(s);

    91     }

    92 

    93     public static void log(Exception e) {

    94         //System.out.println(s);

    95         e.printStackTrace();

    96     }

    97 }