/*

 * Copyright (c) 2004, 2016, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

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 */

import javax.sound.midi.MidiEvent;

import javax.sound.midi.MidiMessage;

import javax.sound.midi.MidiSystem;

import javax.sound.midi.Receiver;

import javax.sound.midi.Sequence;

import javax.sound.midi.Sequencer;

import javax.sound.midi.ShortMessage;

import javax.sound.midi.Track;

/**

 * @test

 * @bug 5048381

 * @summary Sequencer doesn't create distinct messages when recording events.

 * @key headful

 */

public class SeqRecordDoesNotCopy {

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

        Sequencer s = MidiSystem.getSequencer();

        s.open();

        try {

            Sequence seq = new Sequence(Sequence.PPQ, 384, 2);

            s.setSequence(seq);

            Track t = seq.getTracks()[0];

            ShortMessage msg = new ShortMessage();

            msg.setMessage(0x90, 0x40, 0x7F);

            t.add(new MidiEvent(msg, 11000));

            msg.setMessage(0x90, 0x40, 0x00);

            t.add(new MidiEvent(msg, 12000));

            t = seq.getTracks()[1];

            s.recordEnable(t, -1);

            System.out.println("Started recording...");

            s.startRecording();

            Receiver r = s.getReceiver();

            Thread.sleep(100);

            // send a normal message

            System.out.println("Recording a normal NOTE ON message...");

            msg.setMessage(0x90, 0x40, 0x6F);

            r.send(msg, -1);

            Thread.sleep(100);

            // send a normal message

            System.out.println("Recording a normal NOTE OFF message...");

            msg.setMessage(0x90, 0x40, 0x00);

            r.send(msg, -1);

            Thread.sleep(100);

            s.stop();

            // now see if the messages were recorded

            System.out.println("Recorded messages:");

            int sameMessage = 0;

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

                System.out.print(" "+(i+1)+". ");

                printEvent(t.get(i));

                if (t.get(i).getMessage() == msg) {

                    System.out.println("## Failed: Same Message reference!");

                    sameMessage++;

                }

            }

            if (sameMessage > 0) {

                System.out.println("## Failed: The same instance was recorded!");

                throw new Exception("Test FAILED!");

            }

            System.out.println("Did not detect any duplicate messages.");

            System.out.println("Test passed.");

        } catch (Exception e) {

            System.out.println("Unexpected Exception: "+e);

            //e.printStackTrace();

            throw new Exception("Test FAILED!");

        } finally {

            s.close();

        }

    }

    public static void printEvent(MidiEvent event)

    {

        MidiMessage message = event.getMessage();

        long tick = event.getTick();

        byte[] data = message.getMessage();

        StringBuffer sb = new StringBuffer((data.length * 3) - 1);

        for (int i = 0; i < data.length; i++)

        {

                sb.append(toHexByteString(data[i]));

                if (i < data.length - 1) sb.append(' ');

        }

        System.out.printf("%5d: %s%n", tick, sb);

    }

    private static String toHexByteString(int n)

    {

        if (n < 0) n &= 0xFF;

        String s = Integer.toHexString(n).toUpperCase();

        if (s.length() == 1) s = '0' + s;

        return s;

    }

}