bayard 2002/11/11 23:28:03 Added: io/src/test/org/apache/commons/io/output DemuxTestCase.java Removed: io/src/test/org/apache/commons/io DemuxTestCase.java Log: DemuxTest moved to new package Revision Changes Path 1.1 jakarta-commons-sandbox/io/src/test/org/apache/commons/io/output/DemuxTestCase.java Index: DemuxTestCase.java =================================================================== /* * $Header: /home/cvs/jakarta-commons-sandbox/io/src/test/org/apache/commons/io/output/DemuxTestCase.java,v 1.1 2002/11/12 07:28:03 bayard Exp $ * $Revision: 1.1 $ * $Date: 2002/11/12 07:28:03 $ * * ==================================================================== * * The Apache Software License, Version 1.1 * * Copyright (c) 1999-2002 The Apache Software Foundation. All rights * reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * 3. The end-user documentation included with the redistribution, if * any, must include the following acknowlegement: * "This product includes software developed by the * Apache Software Foundation (http://www.apache.org/)." * Alternately, this acknowlegement may appear in the software itself, * if and wherever such third-party acknowlegements normally appear. * * 4. The names "The Jakarta Project", "Commons", and "Apache Software * Foundation" must not be used to endorse or promote products derived * from this software without prior written permission. For written * permission, please contact [EMAIL PROTECTED] * * 5. Products derived from this software may not be called "Apache" * nor may "Apache" appear in their names without prior written * permission of the Apache Group. * * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * ==================================================================== * * This software consists of voluntary contributions made by many * individuals on behalf of the Apache Software Foundation. For more * information on the Apache Software Foundation, please see * <http://www.apache.org/>. * */ package org.apache.commons.io.output; import java.io.ByteArrayInputStream; import java.io.ByteArrayOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.util.HashMap; import java.util.Iterator; import java.util.Random; import junit.framework.TestCase; /** * Basic unit tests for the multiplexing streams. * * @author <a href="mailto:peter@;apache.org">Peter Donald</a> */ public final class DemuxTestCase extends TestCase { private static final String T1 = "Thread1"; private static final String T2 = "Thread2"; private static final String T3 = "Thread3"; private static final String T4 = "Thread4"; private static final String DATA1 = "Data for thread1"; private static final String DATA2 = "Data for thread2"; private static final String DATA3 = "Data for thread3"; private static final String DATA4 = "Data for thread4"; private static final Random c_random = new Random(); private final HashMap m_outputMap = new HashMap(); private final HashMap m_threadMap = new HashMap(); public DemuxTestCase( final String name ) { super( name ); } private String getOutput( final String threadName ) throws IOException { final ByteArrayOutputStream output = (ByteArrayOutputStream)m_outputMap.get( threadName ); assertNotNull( "getOutput()", output ); return output.toString(); } private String getInput( final String threadName ) throws IOException { final ReaderThread thread = (ReaderThread)m_threadMap.get( threadName ); assertNotNull( "getInput()", thread ); return thread.getData(); } private void doStart() throws Exception { final Iterator iterator = m_threadMap.keySet().iterator(); while( iterator.hasNext() ) { final String name = (String)iterator.next(); final Thread thread = (Thread)m_threadMap.get( name ); thread.start(); } } private void doJoin() throws Exception { final Iterator iterator = m_threadMap.keySet().iterator(); while( iterator.hasNext() ) { final String name = (String)iterator.next(); final Thread thread = (Thread)m_threadMap.get( name ); thread.join(); } } private void startWriter( final String name, final String data, final DemuxOutputStream demux ) throws Exception { final ByteArrayOutputStream output = new ByteArrayOutputStream(); m_outputMap.put( name, output ); final WriterThread thread = new WriterThread( name, data, output, demux ); m_threadMap.put( name, thread ); } private void startReader( final String name, final String data, final DemuxInputStream demux ) throws Exception { final ByteArrayInputStream input = new ByteArrayInputStream( data.getBytes() ); final ReaderThread thread = new ReaderThread( name, input, demux ); m_threadMap.put( name, thread ); } public void testOutputStream() throws Exception { final DemuxOutputStream output = new DemuxOutputStream(); startWriter( T1, DATA1, output ); startWriter( T2, DATA2, output ); startWriter( T3, DATA3, output ); startWriter( T4, DATA4, output ); doStart(); doJoin(); assertEquals( "Data1", DATA1, getOutput( T1 ) ); assertEquals( "Data2", DATA2, getOutput( T2 ) ); assertEquals( "Data3", DATA3, getOutput( T3 ) ); assertEquals( "Data4", DATA4, getOutput( T4 ) ); } public void testInputStream() throws Exception { final DemuxInputStream input = new DemuxInputStream(); startReader( T1, DATA1, input ); startReader( T2, DATA2, input ); startReader( T3, DATA3, input ); startReader( T4, DATA4, input ); doStart(); doJoin(); assertEquals( "Data1", DATA1, getInput( T1 ) ); assertEquals( "Data2", DATA2, getInput( T2 ) ); assertEquals( "Data3", DATA3, getInput( T3 ) ); assertEquals( "Data4", DATA4, getInput( T4 ) ); } private static class ReaderThread extends Thread { private final StringBuffer m_buffer = new StringBuffer(); private final InputStream m_input; private final DemuxInputStream m_demux; ReaderThread( final String name, final InputStream input, final DemuxInputStream demux ) { super( name ); m_input = input; m_demux = demux; } public String getData() { return m_buffer.toString(); } public void run() { m_demux.bindStream( m_input ); try { int ch = m_demux.read(); while( -1 != ch ) { //System.out.println( "Reading: " + (char)ch ); m_buffer.append( (char)ch ); final int sleepTime = Math.abs( c_random.nextInt() % 10 ); Thread.sleep( sleepTime ); ch = m_demux.read(); } } catch( final Exception e ) { e.printStackTrace(); } } } private static class WriterThread extends Thread { private final byte[] m_data; private final OutputStream m_output; private final DemuxOutputStream m_demux; WriterThread( final String name, final String data, final OutputStream output, final DemuxOutputStream demux ) { super( name ); m_output = output; m_demux = demux; m_data = data.getBytes(); } public void run() { m_demux.bindStream( m_output ); for( int i = 0; i < m_data.length; i++ ) { try { //System.out.println( "Writing: " + (char)m_data[ i ] ); m_demux.write( m_data[ i ] ); final int sleepTime = Math.abs( c_random.nextInt() % 10 ); Thread.sleep( sleepTime ); } catch( final Exception e ) { e.printStackTrace(); } } } } }
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