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/*
* 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
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
import javax.sound.midi.MidiDevice;
import javax.sound.midi.MidiSystem;
import javax.sound.midi.Sequencer;
import javax.sound.midi.Synthesizer;
/**
* @test
* @key sound
* @bug 4914667
* @summary Closing and reopening MIDI IN device on Linux throws
* MidiUnavailableException
*/
public class Reopen {
private static boolean isTestExecuted;
private static boolean isTestPassed;
/*
* run manually:
* java Reopen 100 in for 100 iterations on the MIDI IN device
* java Reopen 16 out for 16 iterations on the MIDI OUT device
*/
public static void main(String[] args) throws Exception {
if (args.length == 0) {
doAllTests();
} else if (args.length == 2) {
int numIterations = Integer.parseInt(args[0]);
if (args[1].equals("in")) {
doTest(numIterations, true);
} else {
doTest(numIterations, false);
}
} else {
out("usage: java Reopen <iterations> in|out");
}
}
private static void doAllTests() throws Exception {
out("#4914667: Closing and reopening MIDI IN device on Linux throws MidiUnavailableException");
boolean success = true;
try {
success &= doTest(20, true); // MIDI IN
success &= doTest(20, false); // MIDI OUT
isTestExecuted = true;
} catch (Exception e) {
out(e);
isTestExecuted = false;
}
isTestPassed = success;
if (isTestExecuted) {
if (isTestPassed) {
out("Test PASSED.");
} else {
throw new Exception("Test FAILED.");
}
} else {
out("Test NOT FAILED");
}
}
private static boolean doTest(int numIterations, boolean input) throws Exception {
MidiDevice.Info[] infos = MidiSystem.getMidiDeviceInfo();
MidiDevice outDevice = null;
MidiDevice inDevice = null;
for (int i = 0; i < infos.length; i++) {
MidiDevice device = MidiSystem.getMidiDevice(infos[i]);
if (! (device instanceof Sequencer) &&
! (device instanceof Synthesizer)) {
if (device.getMaxReceivers() != 0) {
outDevice = device;
}
if (device.getMaxTransmitters() != 0) {
inDevice = device;
}
}
}
MidiDevice testDevice = null;
if (input) {
testDevice = inDevice;
} else {
testDevice = outDevice;
}
if (testDevice == null) {
out("Cannot test: device not available.");
return true;
}
out("Using Device: " + testDevice);
for (int i = 0; i < numIterations; i++) {
out("@@@ ITERATION: " + i);
testDevice.open();
// This sleep ensures that the thread of MidiInDevice is started.
sleep(50);
testDevice.close();
}
return true;
}
private static void sleep(int milliseconds) {
try {
Thread.sleep(milliseconds);
} catch (InterruptedException e) {
}
}
private static void out(Throwable t) {
t.printStackTrace(System.out);
}
private static void out(String message) {
System.out.println(message);
}
}
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