package org.shiftone.cache.test;
import junit.framework.TestCase;
import org.shiftone.cache.util.RingFifo;
/**
* @author <a href="mailto:jeff@shiftone.org">Jeff Drost</a>
* @version $Revision: 1.5 $
*/
public class RingFifoTestCase extends TestCase
{
public void testSimple()
{
RingFifo fifo = new RingFifo(5);
assertEquals(",,,,", fifo.dump());
fifo.enqueue("A");
assertEquals("A", fifo.peek());
assertEquals("A,,,,", fifo.dump());
fifo.enqueue("B");
assertEquals("A,B,,,", fifo.dump());
fifo.enqueue("C");
assertEquals("A,B,C,,", fifo.dump());
fifo.enqueue("D");
assertEquals("A,B,C,D,", fifo.dump());
fifo.enqueue("E");
assertEquals("A,B,C,D,E", fifo.dump());
fifo.enqueue("F");
assertEquals("F,B,C,D,E", fifo.dump());
fifo.enqueue("G");
assertEquals("C", fifo.dequeue());
assertEquals("D", fifo.dequeue());
assertEquals("E", fifo.dequeue());
assertEquals("F", fifo.dequeue());
assertEquals("G", fifo.dequeue());
assertNull(fifo.dequeue());
}
}