def test_normal_constructor(self):
real_part = 1
imaginary_part = 2
number = bl.ComplexNumber(real_part, imaginary_part)
self.assertEqual(real_part, number.real_part)
self.assertEqual(imaginary_part, number.imaginary_part)
def test_divide_by_zero(self):
number = bl.ComplexNumber(1, 2)
zero = bl.ComplexNumber(0, 0)
with self.assertRaises(ValueError):
result = number.divide(zero)
def test_divide_argument_type(self):
number = bl.ComplexNumber(1, 2)
with self.assertRaises(TypeError):
result = number.divide(1)
def test_multiply_argument_type(self):
number = bl.ComplexNumber(1, 2)
with self.assertRaises(TypeError):
result = number.multiply(1)
def test_second_argument_type(self):
with self.assertRaises(TypeError):
number = bl.ComplexNumber(3, [1, 5])
def test_first_argument_type(self):
with self.assertRaises(TypeError):
number = bl.ComplexNumber([1, 2], 2.)