1 /* 2 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 import java.util.Collection; 25 import java.util.HashSet; 26 27 import javax.sound.midi.MidiDevice; 28 import javax.sound.midi.MidiDevice.Info; 29 import javax.sound.midi.MidiSystem; 30 import javax.sound.midi.MidiUnavailableException; 31 import javax.sound.midi.spi.MidiDeviceProvider; 32 33 import static java.util.ServiceLoader.load; 34 35 /** 36 * @test 37 * @bug 8059743 38 * @summary MidiDeviceProvider shouldn't returns incorrect results in case of 39 * some unknown MidiDevice.Info 40 * @author Sergey Bylokhov 41 */ 42 public final class FakeInfo { 43 44 private static final class Fake extends Info { 45 46 Fake() { 47 super("a", "b", "c", "d"); 48 } 49 } 50 51 public static void main(final String[] args) { 52 final Info fake = new Fake(); 53 // MidiSystem API 54 try { 55 MidiSystem.getMidiDevice(fake); 56 throw new RuntimeException("IllegalArgumentException expected"); 57 } catch (final MidiUnavailableException e) { 58 throw new RuntimeException("IllegalArgumentException expected", e); 59 } catch (final IllegalArgumentException ignored) { 60 // expected 61 } 62 // MidiDeviceProvider API 63 final Collection<String> errors = new HashSet<>(); 64 for (final MidiDeviceProvider mdp : load(MidiDeviceProvider.class)) { 65 try { 66 if (mdp.isDeviceSupported(fake)) { 67 throw new RuntimeException("fake is supported"); 68 } 69 final MidiDevice device = mdp.getDevice(fake); 70 System.err.println("MidiDevice: " + device); 71 throw new RuntimeException("IllegalArgumentException expected"); 72 } catch (final IllegalArgumentException e) { 73 errors.add(e.getMessage()); 74 } 75 } 76 if (errors.size() != 1) { 77 throw new RuntimeException("Wrong number of messages:" + errors); 78 } 79 } 80 }