1/*
2 * Copyright (c) 2004, 2017, 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
24import javax.sound.midi.MidiEvent;
25import javax.sound.midi.MidiMessage;
26import javax.sound.midi.MidiSystem;
27import javax.sound.midi.MidiUnavailableException;
28import javax.sound.midi.Receiver;
29import javax.sound.midi.Sequence;
30import javax.sound.midi.Sequencer;
31import javax.sound.midi.ShortMessage;
32import javax.sound.midi.Track;
33
34/**
35 * @test
36 * @bug 5048381
37 * @summary Sequencer doesn't create distinct messages when recording events.
38 */
39public class SeqRecordDoesNotCopy {
40
41    public static void main(String argv[]) {
42        Sequencer s = null;
43        try {
44            s = MidiSystem.getSequencer();
45            s.open();
46        } catch (final MidiUnavailableException ignored) {
47            // the test is not applicable
48            return;
49        }
50        try {
51            Sequence seq = new Sequence(Sequence.PPQ, 384, 2);
52            s.setSequence(seq);
53            Track t = seq.getTracks()[0];
54            ShortMessage msg = new ShortMessage();
55            msg.setMessage(0x90, 0x40, 0x7F);
56            t.add(new MidiEvent(msg, 11000));
57            msg.setMessage(0x90, 0x40, 0x00);
58            t.add(new MidiEvent(msg, 12000));
59            t = seq.getTracks()[1];
60            s.recordEnable(t, -1);
61            System.out.println("Started recording...");
62            s.startRecording();
63            Receiver r = s.getReceiver();
64            Thread.sleep(100);
65            // send a normal message
66            System.out.println("Recording a normal NOTE ON message...");
67            msg.setMessage(0x90, 0x40, 0x6F);
68            r.send(msg, -1);
69            Thread.sleep(100);
70            // send a normal message
71            System.out.println("Recording a normal NOTE OFF message...");
72            msg.setMessage(0x90, 0x40, 0x00);
73            r.send(msg, -1);
74            Thread.sleep(100);
75            s.stop();
76            // now see if the messages were recorded
77            System.out.println("Recorded messages:");
78            int sameMessage = 0;
79            for (int i = 0; i < t.size(); i++) {
80                System.out.print(" "+(i+1)+". ");
81                printEvent(t.get(i));
82                if (t.get(i).getMessage() == msg) {
83                    System.out.println("## Failed: Same Message reference!");
84                    sameMessage++;
85                }
86            }
87            if (sameMessage > 0) {
88                System.out.println("## Failed: The same instance was recorded!");
89                throw new Exception("Test FAILED!");
90            }
91            System.out.println("Did not detect any duplicate messages.");
92            System.out.println("Test passed.");
93        } catch (Exception e) {
94            System.out.println("Unexpected Exception: "+e);
95            //e.printStackTrace();
96            throw new RuntimeException("Test FAILED!");
97        } finally {
98            s.close();
99        }
100    }
101    public static void printEvent(MidiEvent event)
102    {
103        MidiMessage message = event.getMessage();
104        long tick = event.getTick();
105        byte[] data = message.getMessage();
106
107        StringBuffer sb = new StringBuffer((data.length * 3) - 1);
108
109        for (int i = 0; i < data.length; i++)
110        {
111                sb.append(toHexByteString(data[i]));
112                if (i < data.length - 1) sb.append(' ');
113        }
114        System.out.printf("%5d: %s%n", tick, sb);
115    }
116
117    private static String toHexByteString(int n)
118    {
119        if (n < 0) n &= 0xFF;
120        String s = Integer.toHexString(n).toUpperCase();
121        if (s.length() == 1) s = '0' + s;
122        return s;
123    }
124}
125