91 lines
4.1 KiB
Java
91 lines
4.1 KiB
Java
/*
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* Copyright (c) 2003, 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.sampled.AudioFormat;
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import javax.sound.sampled.AudioSystem;
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import javax.sound.sampled.DataLine;
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import javax.sound.sampled.Line;
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import javax.sound.sampled.LineUnavailableException;
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import javax.sound.sampled.SourceDataLine;
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import javax.sound.sampled.TargetDataLine;
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/**
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* @test
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* @bug 4991672
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* @summary disabled assertion at maximum thread priority causes audio crash
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* @run main/timeout=600 DisabledAssertionCrash
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*/
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public class DisabledAssertionCrash {
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private static final int bufferSize = 1024;
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public static void main(String[] args) {
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System.out.println("This program hangs if priority is set,");
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System.out.println("and assertion is in the code.");
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System.out.println("The program crashes the entire Windows system");
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System.out.println("if assertions are disabled.");
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try {
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Thread.currentThread().setPriority(Thread.MAX_PRIORITY);
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AudioFormat audioFormat = new AudioFormat(44100,16,1,true,true);
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Line.Info sourceDataLineInfo = new DataLine.Info(SourceDataLine.class,audioFormat);
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SourceDataLine sourceDataLine =
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(SourceDataLine) AudioSystem.getLine(sourceDataLineInfo);
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System.out.println("SourceDataLine: "+sourceDataLine);
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sourceDataLine.open(audioFormat, bufferSize);
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sourceDataLine.start();
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Line.Info targetDataLineInfo =
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new DataLine.Info(TargetDataLine.class,audioFormat);
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TargetDataLine targetDataLine =
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(TargetDataLine) AudioSystem.getLine(targetDataLineInfo);
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System.out.println("TargetDataLine: "+targetDataLine);
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targetDataLine.open(audioFormat, bufferSize);
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targetDataLine.start();
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byte[] data = new byte[bufferSize];
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// execute for 20 seconds
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float bufferTime = (((float) data.length) / audioFormat.getFrameSize()) / audioFormat.getFrameRate();
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int count = (int) (20.0f / bufferTime);
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System.out.println("Buffer time: "+(bufferTime * 1000)+" millis. "+count+" iterations.");
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for (int i = 0; i < count; i++) {
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int cnt = targetDataLine.read(data,0,data.length);
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sourceDataLine.write(data,0,cnt);
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assert cnt == data.length;
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}
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System.out.println("Successfully recorded/played "+count+" buffers. Passed");
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} catch(LineUnavailableException lue) {
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System.out.println("Audio hardware is not available!");
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lue.printStackTrace();
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System.out.println("Cannot execute test. NOT failed.");
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} catch(IllegalArgumentException iae) {
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System.out.println("No audio hardware is installed!");
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iae.printStackTrace();
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System.out.println("Test system not correctly setup.");
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System.out.println("Cannot execute test. NOT failed.");
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} catch(Exception e) {
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System.out.println("Unexpected Exception: "+e);
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e.printStackTrace();
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System.out.println("Cannot execute test. NOT failed.");
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}
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}
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}
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