96 lines
3.3 KiB
Java
96 lines
3.3 KiB
Java
/*
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* Copyright (c) 2022, 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 static javax.sound.sampled.AudioFormat.Encoding.PCM_SIGNED;
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import static javax.sound.sampled.AudioSystem.NOT_SPECIFIED;
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import javax.sound.sampled.AudioFileFormat;
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import javax.sound.sampled.AudioFormat;
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import javax.sound.sampled.AudioInputStream;
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import javax.sound.sampled.AudioSystem;
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import javax.sound.sampled.Clip;
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import javax.sound.sampled.DataLine;
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import java.applet.AudioClip;
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import java.io.ByteArrayInputStream;
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import java.io.File;
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import java.io.InputStream;
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import java.nio.file.Files;
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/*
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* @test
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* @key headful
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* @bug 8279673
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* @summary Verify no NPE creating threads
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* @run main/othervm DataPusherThreadCheck
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*/
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public class DataPusherThreadCheck {
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public static void main(String[] args) throws Exception {
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// Prepare the audio file
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File file = new File("audio.wav");
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try {
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AudioFormat format =
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new AudioFormat(PCM_SIGNED, 44100, 8, 1, 1, 44100, false);
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DataLine.Info info = new DataLine.Info(Clip.class, format);
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if (!(AudioSystem.isLineSupported(info)) ) {
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return; // the test is not applicable
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}
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int dataSize = 6000*1000 * format.getFrameSize();
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InputStream in = new ByteArrayInputStream(new byte[dataSize]);
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AudioInputStream audioStream = new AudioInputStream(in, format, NOT_SPECIFIED);
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AudioSystem.write(audioStream, AudioFileFormat.Type.WAVE, file);
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} catch (Exception ignored) {
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return; // the test is not applicable
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}
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try {
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checkThread(file);
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} finally {
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Files.delete(file.toPath());
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}
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}
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private static void checkThread(File file) throws Exception {
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AudioClip clip = (AudioClip) file.toURL().getContent();
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clip.loop();
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try {
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Thread.sleep(2000);
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} catch (InterruptedException ignored) {
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}
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boolean found = isDataPushedThreadExist();
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clip.stop();
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if (!found) {
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throw new RuntimeException("Thread 'DataPusher' isn't found");
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}
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}
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private static boolean isDataPushedThreadExist() {
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for (Thread t : Thread.getAllStackTraces().keySet()) {
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if (t.getName().equals("DataPusher")) {
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return true;
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}
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}
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return false;
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}
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}
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