72 lines
2.7 KiB
Java
72 lines
2.7 KiB
Java
/*
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* Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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import java.util.Collection;
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import java.util.HashSet;
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import javax.sound.midi.MidiDevice;
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import javax.sound.midi.MidiSystem;
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import javax.sound.midi.MidiUnavailableException;
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import javax.sound.midi.spi.MidiDeviceProvider;
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import static java.util.ServiceLoader.load;
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/**
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* @test
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* @bug 8058115
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* @summary MidiDeviceProvider shouldn't returns incorrect results or throw NPE
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* in case of null MidiDevice.Info
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* @author Sergey Bylokhov
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*/
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public final class NullInfo {
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public static void main(final String[] args) {
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// MidiSystem API
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try {
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MidiSystem.getMidiDevice(null);
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throw new RuntimeException("IllegalArgumentException expected");
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} catch (final MidiUnavailableException e) {
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throw new RuntimeException("IllegalArgumentException expected", e);
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} catch (final IllegalArgumentException ignored) {
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// expected
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}
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// MidiDeviceProvider API
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final Collection<String> errors = new HashSet<>();
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for (final MidiDeviceProvider mdp : load(MidiDeviceProvider.class)) {
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try {
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if (mdp.isDeviceSupported(null)) {
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throw new RuntimeException("null is supported");
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}
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final MidiDevice device = mdp.getDevice(null);
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System.err.println("MidiDevice: " + device);
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throw new RuntimeException("IllegalArgumentException expected");
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} catch (final IllegalArgumentException e) {
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errors.add(e.getMessage());
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}
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}
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if (errors.size() != 1) {
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throw new RuntimeException("Wrong number of messages:" + errors);
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}
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}
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}
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