def test_invalid_a_b_setter(a):
"""Test setting invalid a, b values."""
ellipse = Ellipse(1, 1)
with pytest.raises(ValueError):
ellipse.a = a
with pytest.raises(ValueError):
ellipse.b = a
def test_a_b_getter_setter(a, b):
"""Test getter and setter for a and b."""
ellipse = Ellipse(a, b)
assert ellipse.a == a
assert ellipse.b == b
ellipse.a = a + 1
ellipse.b = b + 1
assert ellipse.a == a + 1
assert ellipse.b == b + 1
def test_area_getter(a, b):
ellipse = Ellipse(1, 1)
ellipse.a = a
ellipse.b = b
assert ellipse.area == np.pi * a * b