def test_first_last(self) : block_val = predicates.lastSetElementPredicate(self.s1) assert block_val == ('red',) block_val = predicates.firstSetElementPredicate(self.s1) assert block_val == ('blue',) block_val = predicates.firstSetElementPredicate(set([])) assert block_val == () block_val = predicates.lastSetElementPredicate(set([])) assert block_val == ()
def test_first_last(self): block_val = predicates.lastSetElementPredicate(self.s1) assert block_val == ('red', ) block_val = predicates.firstSetElementPredicate(self.s1) assert block_val == ('blue', ) block_val = predicates.firstSetElementPredicate(set([])) assert block_val == () block_val = predicates.lastSetElementPredicate(set([])) assert block_val == ()