72 lines
2.7 KiB
Java
72 lines
2.7 KiB
Java
/*
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* Copyright (c) 2003, 2016, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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import java.io.ByteArrayInputStream;
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import java.io.ByteArrayOutputStream;
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import java.io.InputStream;
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import javax.sound.midi.MidiEvent;
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import javax.sound.midi.MidiSystem;
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import javax.sound.midi.Sequence;
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import javax.sound.midi.ShortMessage;
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import javax.sound.midi.Track;
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/**
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* @test
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* @bug 4851018
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* @summary MidiMessage.getLength and .getData return wrong values.
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* also: 4890405: Reading MidiMessage byte array fails in 1.4.2
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*/
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public class FastShortMessage {
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public static void main(String args[]) throws Exception {
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int[] dataMes = {ShortMessage.NOTE_ON | 9, 0x24, 0x50};
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int res = 240;
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Sequence midiData = new Sequence(Sequence.PPQ, res);
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Track track = midiData.createTrack();
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ShortMessage msg = new ShortMessage();
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msg.setMessage(dataMes[0], dataMes[1], dataMes[2]);
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track.add(new MidiEvent(msg, 0));
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// save sequence to outputstream
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ByteArrayOutputStream baos = new ByteArrayOutputStream();
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MidiSystem.write(midiData, 0, baos);
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// reload that sequence
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InputStream is = new ByteArrayInputStream(baos.toByteArray());
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Sequence seq = MidiSystem.getSequence(is);
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track = seq.getTracks()[0];
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msg = (ShortMessage) (track.get(0).getMessage());
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byte[] msgData = msg.getMessage();
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if (msgData.length != dataMes.length
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|| (msgData[0] & 0xFF) != dataMes[0]
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|| (msgData[1] & 0xFF) != dataMes[1]
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|| (msgData[2] & 0xFF) != dataMes[2]) {
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throw new Exception("test failed. read length="+msgData.length);
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}
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System.out.println("Test Passed.");
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}
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}
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