135 lines
4.4 KiB
Java
135 lines
4.4 KiB
Java
/*
|
|
* Copyright (c) 2011, 2013, 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.
|
|
*/
|
|
|
|
/**
|
|
* @test
|
|
* @key sound
|
|
* @bug 6660470
|
|
* @summary Tests that sequencer correctly opens/closes (implicitly) devices
|
|
* @author Alex Menkov
|
|
*/
|
|
|
|
import java.util.List;
|
|
import javax.sound.midi.MidiDevice;
|
|
import javax.sound.midi.MidiDeviceReceiver;
|
|
import javax.sound.midi.MidiSystem;
|
|
import javax.sound.midi.MidiUnavailableException;
|
|
import javax.sound.midi.Receiver;
|
|
import javax.sound.midi.Sequencer;
|
|
import javax.sound.midi.Transmitter;
|
|
|
|
public class SequencerImplicitSynthOpen {
|
|
|
|
static int TEST_COUNT = 5;
|
|
|
|
public static void main(String[] args) {
|
|
try {
|
|
log("getting sequencer...");
|
|
Sequencer sequencer = MidiSystem.getSequencer();
|
|
log(" - got " + getDeviceStr(sequencer));
|
|
|
|
// obtain connected device (usually synthesizer)
|
|
MidiDevice synth = getConnectedDevice(sequencer);
|
|
if (synth == null) {
|
|
log("could not get connected device, returning");
|
|
return;
|
|
}
|
|
|
|
log("connected device: " + getDeviceStr(synth));
|
|
|
|
int success = 0;
|
|
for (int i=0; i<TEST_COUNT; i++) {
|
|
if (test(sequencer)) {
|
|
success++;
|
|
}
|
|
}
|
|
|
|
if (success != TEST_COUNT) {
|
|
throw new RuntimeException("test FAILS");
|
|
}
|
|
} catch (MidiUnavailableException ex) {
|
|
// this is not a failure
|
|
log("Could not get Sequencer");
|
|
}
|
|
log("test PASSED.");
|
|
}
|
|
|
|
static boolean test(Sequencer sequencer) throws MidiUnavailableException {
|
|
log("");
|
|
log("opening sequencer...");
|
|
sequencer.open(); // opens connected synthesizer implicitly
|
|
MidiDevice synth = getConnectedDevice(sequencer);
|
|
log(" connected device: " + getDeviceStr(synth));
|
|
|
|
log("closing sequencer...");
|
|
sequencer.close(); // closes the synth implicitly
|
|
log(" synth is " + getDeviceStr(synth));
|
|
MidiDevice synth2 = getConnectedDevice(sequencer);
|
|
log(" currently connected device: " + getDeviceStr(synth2));
|
|
|
|
if (synth != null && synth.isOpen()) {
|
|
log("FAIL.");
|
|
return false;
|
|
}
|
|
log("OK.");
|
|
return true;
|
|
}
|
|
|
|
static MidiDevice getConnectedDevice(Sequencer sequencer) {
|
|
List<Transmitter> trans = sequencer.getTransmitters();
|
|
log(" sequencer has " + trans.size() + " opened transmitters:");
|
|
for (Transmitter tr: trans) {
|
|
Receiver r = tr.getReceiver();
|
|
log(" " + getClassStr(tr) + " connected to " + getClassStr(r));
|
|
if (r instanceof MidiDeviceReceiver) {
|
|
MidiDeviceReceiver recv = (MidiDeviceReceiver)r;
|
|
MidiDevice dev = recv.getMidiDevice();
|
|
log(" - receiver of " + getClassStr(dev));
|
|
return dev;
|
|
} else {
|
|
log(" - does NOT implement MidiDeviceReceiver");
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
|
|
static String getClassStr(Object o) {
|
|
if (o == null) {
|
|
return "<null>";
|
|
}
|
|
return o.getClass().getName();
|
|
}
|
|
|
|
static String getDeviceStr(MidiDevice dev) {
|
|
if (dev == null) {
|
|
return "NULL";
|
|
}
|
|
return getClassStr(dev) + ", " + (dev.isOpen() ? "OPENED" : "CLOSED");
|
|
}
|
|
|
|
static void log(String s) {
|
|
System.out.println(s);
|
|
}
|
|
|
|
}
|