bayard 2003/11/23 01:20:54
Added: io/src/test/org/apache/commons/io/input
CountingInputStreamTest.java
Log:
unit test for counting input stream
Revision Changes Path
1.1
jakarta-commons-sandbox/io/src/test/org/apache/commons/io/input/CountingInputStreamTest.java
Index: CountingInputStreamTest.java
===================================================================
/*
* $Header:
/home/cvs/jakarta-commons-sandbox/io/src/test/org/apache/commons/io/input/CountingInputStreamTest.java,v
1.1 2003/11/23 09:20:54 bayard Exp $
* $Revision: 1.1 $
* $Date: 2003/11/23 09:20:54 $
*
* ====================================================================
*
* The Apache Software License, Version 1.1
*
* Copyright (c) 2003 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 acknowledgement:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgement may appear in the software itself,
* if and wherever such third-party acknowledgements 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 Software Foundation.
*
* 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.input;
import java.io.IOException;
import java.io.InputStream;
import java.io.ByteArrayInputStream;
import junit.framework.TestCase;
/**
* Tests the CountingInputStream.
*
* @author <a href="mailto:[EMAIL PROTECTED]">Henri Yandell</a>
*/
public final class CountingInputStreamTest extends TestCase {
public CountingInputStreamTest(String name) {
super(name);
}
public void testCounting() throws Exception {
String text = "A piece of text";
byte[] bytes = text.getBytes();
ByteArrayInputStream bais = new ByteArrayInputStream(bytes);
CountingInputStream cis = new CountingInputStream(bais);
// have to declare this larger as we're going to read
// off the end of the stream and input stream seems
// to do bounds checking
byte[] result = new byte[21];
byte[] ba = new byte[5];
int found = cis.read(ba);
System.arraycopy(ba, 0, result, 0, 5);
assertEquals( found, cis.getCount() );
int value = cis.read();
found++;
result[5] = (byte)value;
assertEquals( found, cis.getCount() );
found += cis.read(result, 6, 5);
assertEquals( found, cis.getCount() );
found += cis.read(result, 11, 10); // off the end
assertEquals( found, cis.getCount() );
// trim to get rid of the 6 empty values
String textResult = new String(result).trim();
assertEquals(textResult, text);
}
}
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