from types_directive import * d1 = Time1(2001, 2, 3, 60) newDate = add(d1, 7) # check that a Time1 instance is accepted where Date is expected if newDate.day != 10: raise RuntimeError d2 = Time2(1999, 8, 7, 60) newDate = add(d2, 7) # check that a Time2 instance is accepted where Date is expected if newDate.day != 14: raise RuntimeError