| /* |
| * 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 |
| * @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); |
| } |
| } |