/*
* JBoss, Home of Professional Open Source
* Copyright 2013, Red Hat, Inc. and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.richfaces.io.io;
import junit.framework.TestCase;
import org.ajax4jsf.io.CharBuffer;
import org.ajax4jsf.io.FastBufferReader;
import org.ajax4jsf.io.FastBufferWriter;
/**
* @author Nick Belaevski
* @since 3.3.0
*/
public class FastBufferWriterTest extends TestCase {
/**
* Test method for {@link org.ajax4jsf.io.FastBufferWriter#reset()}.
*/
public void testResetOneBuffer() throws Exception {
FastBufferWriter stream = new FastBufferWriter(256);
for (int i = 0; i < 255; i++) {
stream.write(i);
}
assertEquals(255, stream.getLength());
CharBuffer firstBuffer = stream.getFirstBuffer();
assertNull(firstBuffer.getNext());
assertNull(firstBuffer.getPrevious());
stream.reset();
assertEquals(0, stream.getLength());
firstBuffer = stream.getFirstBuffer();
assertEquals(0, firstBuffer.getUsedSize());
assertNull(firstBuffer.getNext());
assertNull(firstBuffer.getPrevious());
}
/**
* Test method for {@link org.ajax4jsf.io.FastBufferWriter#reset()}.
*/
public void testResetTwoBuffers() throws Exception {
FastBufferWriter stream = new FastBufferWriter(256);
for (int i = 0; i < 257; i++) {
stream.write(i);
}
assertEquals(257, stream.getLength());
CharBuffer firstBuffer = stream.getFirstBuffer();
assertNotNull(firstBuffer.getNext());
assertNull(firstBuffer.getPrevious());
stream.reset();
assertEquals(0, stream.getLength());
firstBuffer = stream.getFirstBuffer();
assertEquals(0, firstBuffer.getUsedSize());
assertNull(firstBuffer.getNext());
assertNull(firstBuffer.getPrevious());
}
public void testCompact() throws Exception {
int itemsTowWrite = 16384 + 16000;
FastBufferWriter writer = new FastBufferWriter(16384);
for (int i = 0; i < itemsTowWrite; i++) {
writer.write(i);
}
writer.close();
CharBuffer firstBuffer = writer.getFirstBuffer();
assertNotNull(firstBuffer);
CharBuffer nextBuffer = firstBuffer.getNext();
assertNotNull(nextBuffer);
assertNull(nextBuffer.getNext());
assertTrue(firstBuffer.getUsedSize() == firstBuffer.getCacheSize());
assertTrue(nextBuffer.getUsedSize() < nextBuffer.getCacheSize());
firstBuffer.compact();
assertTrue(firstBuffer.getUsedSize() == firstBuffer.getCacheSize());
assertTrue(nextBuffer.getUsedSize() == nextBuffer.getCacheSize());
FastBufferReader reader = new FastBufferReader(firstBuffer);
for (int i = 0; i < itemsTowWrite; i++) {
assertEquals(i, reader.read());
}
reader.close();
}
}