def test_m__init__types():
with pytest.raises(TypeError):
z = m.Complex()
with pytest.raises(TypeError):
z = m.Complex('')
with pytest.raises(TypeError):
z = m.Complex('a')
with pytest.raises(TypeError):
z = m.Complex(1, '')
with pytest.raises(TypeError):
z = m.Complex(1, 'a')
with pytest.raises(TypeError):
z = m.Complex('', 1)
with pytest.raises(TypeError):
z = m.Complex('a', 1)
def test_modules_result():
assert repr(m.Complex(1, 2)) == '1 + 2i'
assert repr(m.Complex(3, 4) - m.Complex(1, 2)) == '2 + 2i'
def test_modules_types():
with pytest.raises(TypeError):
m.Complex(1, 2) + 'a'
def test_m__init__result():
z = m.Complex(3, 4)
assert z.r == 3
assert z.i == 4
assert z.mag == 5
assert round(z.ang, 3) == 0.927
def test_m__add__types():
with pytest.raises(TypeError):
m.Complex(1, 2) + 'a'
def test_m__add__result():
z1 = m.Complex(1, 2)
z2 = m.Complex(3, 4)
assert repr(z2 - z1) == '2 + 2i'
assert repr(8 - z1) == '7 - 2i'
def test_m_conj_types():
z = m.Complex(1, 2)
with pytest.raises(TypeError):
z_conj = z.conj('a')
def test_m_conj_result():
z = m.Complex(1, 2)
assert repr(z.conj()) == '1 - 2i'