/*
* 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 .
*
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*/
import javax.sound.midi.InvalidMidiDataException;
import javax.sound.midi.MidiEvent;
import javax.sound.midi.MidiSystem;
import javax.sound.midi.MidiUnavailableException;
import javax.sound.midi.Sequence;
import javax.sound.midi.Sequencer;
import javax.sound.midi.ShortMessage;
import javax.sound.midi.Track;
/**
* @ test
* @ key sound
* @ bug 5025549
* @ summary Verify that setLoopEndPoint throws IAE
*/
public class LoopIAE {
static ShortMessage MidiMsg3(int a, int b, int c) {
try {
ShortMessage msg = new ShortMessage();
msg.setMessage((byte )a,(byte )b,(byte )c);
return msg;
} catch (InvalidMidiDataException ex) {
throw new RuntimeException();
}
}
static boolean failed = false ;
public static void main(String[] argv) throws Exception {
if (!hasSequencer()) {
return ;
}
Sequencer sequencer = MidiSystem.getSequencer();
Sequence sequence = new Sequence(Sequence.PPQ, 240 );
Track track = sequence.createTrack();
track.add(new MidiEvent(MidiMsg3(ShortMessage.NOTE_ON+0 ,45 ,100 ),0 ));
track.add(new MidiEvent(MidiMsg3(ShortMessage.NOTE_ON+0 ,45 ,0 ),0 + 240 ));
track.add(new MidiEvent(MidiMsg3(ShortMessage.NOTE_ON+9 ,45 ,100 ),10 *20 ));
track.add(new MidiEvent(MidiMsg3(ShortMessage.NOTE_ON+9 ,45 ,0 ),10 *20 + 10 ));
try {
sequencer.open();
sequencer.setSequence(sequence);
sequencer.setTempoInBPM(100 );
System.out.println("Setting loop end point to 1" );
sequencer.setLoopEndPoint(1 );
System.out.println(" -> effectively: " +sequencer.getLoopEndPoint());
System.out.println("Setting loop start point to 2 -- should throw IAE" );
sequencer.setLoopStartPoint(2 );
System.out.println(" -> effectively: " +sequencer.getLoopStartPoint());
System.out.println("No IllegalArgumentException was thrown!" );
failed = true ;
} catch (IllegalArgumentException iae) {
System.out.println("IAE was thrown correctly." );
} catch (MidiUnavailableException mue) {
System.out.println("MidiUnavailableException was thrown: " + mue);
System.out.println("Cannot execute test." );
} catch (InvalidMidiDataException imEx) {
System.out.println("InvalidMidiDataException was thrown." );
imEx.printStackTrace();
System.out.println("Cannot execute test." );
} finally {
if (sequencer != null && sequencer.isOpen()) {
sequencer.close();
}
}
if (failed) {
throw new Exception("Test FAILED!" );
}
System.out.println("test passed." );
}
static boolean hasSequencer() {
try {
Sequencer seq = MidiSystem.getSequencer();
if (seq != null ) {
if (seq.isOpen()) {
seq.close();
}
return true ;
}
} catch (Exception e) {
e.printStackTrace();
}
System.out.println("No sequencer available! Cannot execute test." );
return false ;
}
}
Messung V0.5 in Prozent C=92 H=91 G=91
¤ Dauer der Verarbeitung: 0.11 Sekunden
(vorverarbeitet am 2026-06-10)
¤
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