/**
 * License Agreement.
 *
 *  JBoss RichFaces - Ajax4jsf Component Library
 *
 * Copyright (C) 2007  Exadel, Inc.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License version 2.1 as published by the Free Software Foundation.
 *
 * This library 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 library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA
 */

package org.ajax4jsf.io.parser;

import junit.framework.TestCase;

import org.ajax4jsf.io.ByteBuffer;
import org.ajax4jsf.io.FastBufferOutputStream;

/**
 * @author Nick Belaevski
 * @since 3.3.0
 */

public class FastBufferOutputStreamTest extends TestCase {

	/**
	 * Test method for {@link org.ajax4jsf.io.FastBufferOutputStream#reset()}.
	 */
	public void testResetOneBuffer() throws Exception {
		FastBufferOutputStream stream = new FastBufferOutputStream(256);
		for (int i = 0; i < 255; i++) {
			stream.write(i);
		}
		
		assertEquals(255, stream.getLength());
		ByteBuffer 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.FastBufferOutputStream#reset()}.
	 */
	public void testResetTwoBuffers() throws Exception {
		FastBufferOutputStream stream = new FastBufferOutputStream(256);
		for (int i = 0; i < 257; i++) {
			stream.write(i);
		}

		assertEquals(257, stream.getLength());
		ByteBuffer 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());
	}

}
