/** 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()); }