/**
 * The test class PlayListTest.
 *
 * @author  (your name)
 * @version (a version number or a date)
 */
public class PlayListTest extends junit.framework.TestCase
{
	private PlayList playList1;
	private PlayList singleton;
	private PlayList justTwo;

    /**
     * Default constructor for test class PlayListTest
     */
    public PlayListTest()
    {
    }

    /**
     * Sets up the test fixture.
     *
     * Called before every test case method.
     */
    protected void setUp()
    {
		playList1 = new PlayList();
		singleton = new PlayList();
		justTwo = new PlayList();
	}

    /**
     * Tears down the test fixture.
     *
     * Called after every test case method.
     */
    protected void tearDown()
    {
    }

	public void testTotalTime()
	{
		assertEquals(0, playList1.totalTime());
		assertEquals(120, singleton.totalTime());
		assertEquals(423, justTwo.totalTime());
	}
}