108 lines
3.9 KiB
Java
108 lines
3.9 KiB
Java
/*
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* Copyright (c) 2002, 2016, 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 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.Sequencer;
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/**
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* @test
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* @key sound
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* @bug 4716740
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* @summary default sequencer does not set the tempo factor
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*/
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public class SequencerCacheValues {
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static boolean failed = false;
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public static void main(String args[]) throws Exception {
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Sequencer seq = null;
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int totalNumberOfSequencers = 0;
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MidiDevice.Info[] infos = MidiSystem.getMidiDeviceInfo();
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for (int device=0; device<infos.length; device++) {
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//seq = MidiSystem.getSequencer();
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MidiDevice dev = MidiSystem.getMidiDevice(infos[device]);
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if (dev instanceof Sequencer) {
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seq = (Sequencer) dev;
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totalNumberOfSequencers++;
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System.out.println("Opening sequencer "+infos[device]);
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try {
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seq.open();
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try {
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doTest(seq);
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} finally {
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if (seq != null) {
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seq.close();
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seq = null;
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}
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}
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} catch (MidiUnavailableException mue) {
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System.err.println("MidiUnavailableException was thrown: " + mue);
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System.err.println("could not test this sequencer.");
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}
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}
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}
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if (totalNumberOfSequencers == 0) {
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System.out.println("No sequencers installed!");
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failed = true;
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}
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if (failed) {
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throw new Exception("FAILED");
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} else {
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System.out.println("test OK");
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}
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}
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public static boolean equalsFloat(float f1, float f2) {
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return (f1-f2<0.0001) && (f2-f1<0.0001);
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}
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public static void doTest(Sequencer seq) throws Exception {
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seq.setTempoInMPQ(3.0f);
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System.out.println("Setting tempo in MPQ to "+3.0f);
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if (!equalsFloat(seq.getTempoInMPQ(), 3.0f)) {
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System.err.println("getTempoInMPQ() returns wrong value : "
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+ seq.getTempoInMPQ());
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failed = true;
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}
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System.out.println("Setting tempo factor to "+2.0f);
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seq.setTempoFactor(2.0f);
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if (!equalsFloat(seq.getTempoFactor(), 2.0f)) {
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System.err.println("getTempoFactor() returns: " + seq.getTempoFactor());
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failed = true;
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}
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float bpmTempo = 120.0f;
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System.out.println("Setting tempo to "+120.0f+"bpm");
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seq.setTempoInBPM(bpmTempo);
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if (!equalsFloat(seq.getTempoInMPQ(), (60000000.0f/seq.getTempoInBPM()))) {
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System.err.println("getTempoInMPQ() returns: " + seq.getTempoInMPQ());
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System.err.println("getTempoInBPM() returns: " + seq.getTempoInBPM());
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failed = true;
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}
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}
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}
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