/*
* Copyright (c) 2003, 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
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*/
import java.util.List;
import javax.sound.midi.MidiDevice;
import javax.sound.midi.MidiSystem;
import javax.sound.midi.MidiUnavailableException;
import javax.sound.midi.Receiver;
import javax.sound.midi.Transmitter;
/**
* @test
* @bug 4931387
* @summary Add methods to MidiDevice to get list of Transmitters and Receivers
*/
public class MidiDeviceGetReceivers {
private static boolean executed = false;
private static boolean failed = false;
public static void main(String[] args) throws Exception {
out("unit test 4931387: Add methods to MidiDevice to get list of Transmitters and Receivers");
doAllTests();
if (executed) {
if (failed) throw new Exception("Test FAILED!");
out("Test PASSED.");
} else {
out("Test NOT failed.");
}
}
private static void doAllTests() {
MidiDevice.Info[] infos = MidiSystem.getMidiDeviceInfo();
for (int i = 0; i < infos.length; i++) {
MidiDevice device = null;
try {
device = MidiSystem.getMidiDevice(infos[i]);
doTest(device);
} catch (MidiUnavailableException e) {
out("Exception occured when retrieving device "+infos[i]+": "+e);
}
}
if (infos.length == 0) {
out("No MIDI devices exist or sound drivers not installed!");
}
}
private static boolean containsReceiver(MidiDevice dev, Receiver rec) {
List<Receiver> recvs = dev.getReceivers();
return recvs.contains(rec);
}
private static boolean containsTransmitter(MidiDevice dev, Transmitter tra) {
List<Transmitter> tras = dev.getTransmitters();
return tras.contains(tra);
}
private static void doTest(MidiDevice device) {
boolean thisFailed = false;
out1("Testing: " + device+"...");
try {
device.open();
} catch (Exception e) {
out2("device.open threw exception: "+e);
out2("cannot test this device.");
return;
}
if (device.getMaxReceivers() != 0) {
// device offers receivers
try {
List<Receiver> origList = device.getReceivers();
Receiver rec = device.getReceiver();
if (!containsReceiver(device, rec)) {
out2("Getting a receiver did not add it to device list!");
thisFailed = true;
}
if (origList.contains(rec)) {
out2("Original unmodifiable list was modified by adding a receiver!");
thisFailed = true;
}
rec.close();
if (containsReceiver(device, rec)) {
out2("Closing a receiver did not remove it from device list!");
thisFailed = true;
}
// add a new receiver so that the device.close will really test
// that the receiver is removed
rec = device.getReceiver();
if (!containsReceiver(device, rec)) {
out2("Getting a receiver again did not add it to device list!");
thisFailed = true;
}
} catch (MidiUnavailableException e) {
out2("Exception on getting Receiver: " + e);
}
}
if (device.getMaxTransmitters() != 0) {
// device offers transmitters
try {
List<Transmitter> origList = device.getTransmitters();
Transmitter tra = device.getTransmitter();
if (!containsTransmitter(device, tra)) {
out2("Getting a transmitter did not add it to device list!");
thisFailed = true;
}
if (origList.contains(tra)) {
out2("Original unmodifiable list was modified by adding a transmitter!");
thisFailed = true;
}
tra.close();
if (containsTransmitter(device, tra)) {
out2("Closing a transmitter did not remove it from device list!");
thisFailed = true;
}
tra = device.getTransmitter();
if (!containsTransmitter(device, tra)) {
out2("Getting a transmitter again did not add it to device list!");
thisFailed = true;
}
} catch (MidiUnavailableException e) {
out("Exception on getting Transmitter: " + e);
}
}
try {
device.close();
if (device.getTransmitters().size() > 0) {
out2(" Device still has transmitters after close() was called!");
thisFailed = true;
}
if (device.getReceivers().size() > 0) {
out2(" Device still has receivers after close() was called!");
thisFailed = true;
}
} catch (Exception e) {
out2("device.close threw exception: "+e);
}
if (!thisFailed) {
out("OK");
} else {
failed = true;
}
executed = true;
}
static boolean lfMissing = false;
private static void out(String message) {
lfMissing = true;
System.out.println(message);
}
/* don't print LF at end */
private static void out1(String message) {
System.out.print(message);
lfMissing = true;
}
/* print at a new line, indented */
private static void out2(String message) {
if (lfMissing) {
System.out.println();
lfMissing = false;
}
System.out.println(" "+message);
}
}