def test_intsum(): g = gen.intsum() assert g.next() == 0 assert g.next() == 1 assert g.next() == 3 assert g.next() == 6 assert g.next() == 10 assert g.next() == 15
def test_intsum2(): g = gen.intsum() assert next(g) == 0 assert next(g) == 1 assert next(g) == 3 assert next(g) == 6 assert next(g) == 10 assert next(g) == 15