| /* |
| * 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 java.io.ByteArrayInputStream; |
| import java.io.ByteArrayOutputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| |
| import javax.sound.midi.InvalidMidiDataException; |
| import javax.sound.midi.MidiDevice; |
| import javax.sound.midi.MidiSystem; |
| import javax.sound.midi.Sequence; |
| import javax.sound.midi.Sequencer; |
| |
| /** |
| * @test |
| * @bug 4913027 |
| * @summary several Sequencer methods should specify behaviour on closed Sequencer |
| */ |
| public class SequencerState { |
| |
| private static boolean hasSequencer() { |
| try { |
| Sequencer seq = MidiSystem.getSequencer(); |
| if (seq != null) { |
| seq.open(); |
| seq.close(); |
| return true; |
| } |
| } catch (Exception e) {} |
| System.out.println("No sequencer available! Cannot execute test."); |
| return false; |
| } |
| |
| |
| public static void main(String[] args) throws Exception { |
| out("4913027: several Sequencer methods should should specify behaviour on closed Sequencer"); |
| if (hasSequencer()) { |
| boolean passed = testAll(); |
| if (passed) { |
| out("Test PASSED."); |
| } else { |
| throw new Exception("Test FAILED."); |
| } |
| } |
| } |
| |
| /** |
| * Execute the test on all available Sequencers. |
| * |
| * @return true if the test passed for all Sequencers, false otherwise |
| */ |
| private static boolean testAll() throws Exception { |
| boolean result = true; |
| MidiDevice.Info[] devices = MidiSystem.getMidiDeviceInfo(); |
| for (int i = 0; i < devices.length; i++) { |
| MidiDevice device = MidiSystem.getMidiDevice(devices[i]); |
| if (device instanceof Sequencer) { |
| result &= testSequencer((Sequencer) device); |
| } |
| } |
| return result; |
| } |
| |
| /** |
| * Execute the test on the passed Sequencer. |
| * |
| * @return true if the test is passed this Sequencer, false otherwise |
| */ |
| private static boolean testSequencer(Sequencer seq) throws Exception { |
| boolean result = true; |
| |
| out("testing: " + seq); |
| /* test calls in closed state. |
| */ |
| if (seq.isOpen()) { |
| out("Sequencer is already open, cannot test!"); |
| return result; |
| } |
| |
| try { |
| seq.start(); |
| out("closed state: start() does not throw IllegalStateException!"); |
| result = false; |
| } catch (IllegalStateException e) { |
| } |
| |
| try { |
| seq.stop(); |
| out("closed state: stop() does not throw IllegalStateException!"); |
| result = false; |
| } catch (IllegalStateException e) { |
| } |
| |
| try { |
| seq.startRecording(); |
| out("closed state: startRecording() does not throw IllegalStateException!"); |
| result = false; |
| } catch (IllegalStateException e) { |
| } |
| |
| try { |
| seq.stopRecording(); |
| out("closed state: stopRecording() does not throw IllegalStateException!"); |
| result = false; |
| } catch (IllegalStateException e) { |
| } |
| |
| Sequence sequence = createSequence(); |
| if (sequence == null) { |
| out("created Sequence is null, cannot test!"); |
| return result; |
| } |
| try { |
| seq.setSequence(sequence); |
| } catch (IllegalStateException e) { |
| out("closed state: setSequence(Sequence) throws IllegalStateException!"); |
| result = false; |
| } |
| |
| InputStream inputStream = createSequenceInputStream(); |
| if (inputStream == null) { |
| out("created InputStream is null, cannot test!"); |
| return result; |
| } |
| try { |
| seq.setSequence(inputStream); |
| } catch (IllegalStateException e) { |
| out("closed state: setSequence(InputStream) throws IllegalStateException!"); |
| result = false; |
| } |
| |
| try { |
| seq.getSequence(); |
| } catch (IllegalStateException e) { |
| out("closed state: getSequence() throws IllegalStateException!"); |
| result = false; |
| } |
| |
| /* test calls in open state. |
| */ |
| seq.open(); |
| if (! seq.isOpen()) { |
| out("Sequencer is not open, cannot test!"); |
| return result; |
| } |
| |
| try { |
| seq.start(); |
| } catch (IllegalStateException e) { |
| out("open state: start() throws IllegalStateException!"); |
| result = false; |
| } |
| |
| try { |
| seq.stop(); |
| } catch (IllegalStateException e) { |
| out("open state: stop() throws IllegalStateException!"); |
| result = false; |
| } |
| |
| try { |
| seq.startRecording(); |
| } catch (IllegalStateException e) { |
| out("open state: startRecording() throws IllegalStateException!"); |
| result = false; |
| } |
| |
| try { |
| seq.stopRecording(); |
| } catch (IllegalStateException e) { |
| out("open state: stopRecording() throws IllegalStateException!"); |
| result = false; |
| } |
| |
| sequence = createSequence(); |
| if (sequence == null) { |
| out("created Sequence is null, cannot test!"); |
| return result; |
| } |
| try { |
| seq.setSequence(sequence); |
| } catch (IllegalStateException e) { |
| out("open state: setSequence(Sequence) throws IllegalStateException!"); |
| result = false; |
| } |
| |
| inputStream = createSequenceInputStream(); |
| if (inputStream == null) { |
| out("created InputStream is null, cannot test!"); |
| return result; |
| } |
| try { |
| seq.setSequence(inputStream); |
| } catch (IllegalStateException e) { |
| out("open state: setSequence(InputStream) throws IllegalStateException!"); |
| result = false; |
| } |
| |
| try { |
| seq.getSequence(); |
| } catch (IllegalStateException e) { |
| out("open state: getSequence() throws IllegalStateException!"); |
| result = false; |
| } |
| |
| seq.close(); |
| return result; |
| } |
| |
| /** |
| * Create a new Sequence for testing. |
| * |
| * @return a dummy Sequence, or null, if a problem occured while creating |
| * the Sequence |
| */ |
| private static Sequence createSequence() { |
| Sequence sequence = null; |
| try { |
| sequence = new Sequence(Sequence.PPQ, 480, 1); |
| } catch (InvalidMidiDataException e) { |
| // DO NOTHING |
| } |
| return sequence; |
| } |
| |
| /** |
| * Create a new InputStream containing a Sequence for testing. |
| * |
| * @return an InputStream containing a dummy Sequence, or null, if a problem |
| * occured while creating the InputStream |
| */ |
| private static InputStream createSequenceInputStream() { |
| ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
| Sequence sequence = createSequence(); |
| if (sequence == null) { |
| return null; |
| } |
| try { |
| MidiSystem.write(sequence, 0, baos); |
| ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray()); |
| return bais; |
| } catch (IOException e) { |
| return null; |
| } |
| } |
| |
| |
| private static void out(String message) { |
| System.out.println(message); |
| } |
| } |