def test_type_1(self):
calc = Caculator(isAdd=False,
isSub=False,
isMul=False,
isDiv=True,
isRem=True)
with self.assertRaises(ValueError):
calc.adder(0, 1)
def test_adder_4(self):
calc = Caculator(isAdd=True,
isSub=False,
isMul=False,
isDiv=False,
isRem=False)
self.assertEqual(calc.adder(0, 0), 0)