def test_seki_02():
assert Calc(-9, 2).seki() == -18
def test_shou_01():
assert Calc(9, 2).shou() == 4.5
def test_dif_02():
assert Calc(-9, 2).dif() == -11
def test_seki_01():
assert Calc(9, 2).seki() == 18
def test_add_02():
assert Calc(-9, 2).add() == -7
def test_dif_01():
assert Calc(9, 2).dif() == 7
def test_multiple_01():
assert Calc(9, 2).multiple() == 18
def test_sub_01():
assert Calc(9, 2).sub() == 7
def test_divide_02():
assert Calc(-9, 2).divide() == -4.5
def test_multiple_04():
assert Calc(9, 2).multiple() == 18 # expect assert
def test_divide_01():
assert Calc(9, 2).divide() == 4.5
def test_multiple_03():
assert Calc(-9, -2).multiple() == -18 # expect assert
def test_sub_02():
assert Calc(-9, 2).sub() == -11
def test_shou_02():
assert Calc(-9, 2).shou() == -4.5
def test_multiple_02():
assert Calc(9, 2).multiple() == -18
def test_add_01():
assert Calc(9, 2).add() == 11
def test_01(self, x, y, expect):
assert Calc(x, y).add() == expect
