/** Some checks for the testNext() method. */
public void testNext() {
Second s = new Second(55, 30, 1, 12, 12, 2000);
s = (Second) s.next();
assertEquals(2000, s.getMinute().getHour().getYear());
assertEquals(12, s.getMinute().getHour().getMonth());
assertEquals(12, s.getMinute().getHour().getDayOfMonth());
assertEquals(1, s.getMinute().getHour().getHour());
assertEquals(30, s.getMinute().getMinute());
assertEquals(56, s.getSecond());
s = new Second(59, 59, 23, 31, 12, 9999);
assertNull(s.next());
}
