75 lines
2.8 KiB
Java
75 lines
2.8 KiB
Java
/*
|
|
* 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
|
|
* questions.
|
|
*/
|
|
|
|
import java.io.ByteArrayInputStream;
|
|
import java.io.ByteArrayOutputStream;
|
|
import java.io.InputStream;
|
|
|
|
import javax.sound.midi.MidiEvent;
|
|
import javax.sound.midi.MidiSystem;
|
|
import javax.sound.midi.Sequence;
|
|
import javax.sound.midi.ShortMessage;
|
|
import javax.sound.midi.Track;
|
|
|
|
/**
|
|
* @test
|
|
* @bug 5048381
|
|
* @summary NPE when writing a sequence with a realtime MIDI message
|
|
*/
|
|
public class WriteRealTimeMessageNPE {
|
|
|
|
public static void main(String args[]) throws Exception {
|
|
System.out.println("5048381: NullPointerException when saving a MIDI sequence");
|
|
boolean npeThrown = false;
|
|
boolean noEx = false;
|
|
|
|
Sequence seq = new Sequence(Sequence.PPQ, 384, 1);
|
|
Track t = seq.getTracks()[0];
|
|
ShortMessage msg = new ShortMessage();
|
|
msg.setMessage(0xF8, 0, 0);
|
|
t.add(new MidiEvent(msg, 0));
|
|
|
|
ByteArrayOutputStream out = new ByteArrayOutputStream();
|
|
try {
|
|
MidiSystem.write(seq, 0, out);
|
|
noEx = true;
|
|
} catch (NullPointerException npe) {
|
|
npeThrown = true;
|
|
System.out.println("## Failed: Threw unexpected NPE: "+npe);
|
|
throw new Exception("Test FAILED!");
|
|
} catch (Exception e) {
|
|
System.out.println("Threw unexpected Exception: "+e);
|
|
System.out.println("But at least did not throw NPE...");
|
|
}
|
|
if (noEx) {
|
|
InputStream is = new ByteArrayInputStream(out.toByteArray());
|
|
seq = MidiSystem.getSequence(is);
|
|
System.out.println("Sequence has "+seq.getTracks().length+" tracks.");
|
|
if (seq.getTracks().length > 0) {
|
|
System.out.println("Track 0 has "+seq.getTracks()[0].size()+" events.");
|
|
}
|
|
}
|
|
System.out.println("Test passed.");
|
|
}
|
|
}
|