def test_numpy_vector_passes(self):
negative(np.asarray((-1, -2, -3, -4)))
def test_numpy_vector_fails(self):
with pytest.raises(ValueError):
negative((0, 0, 0, 0))
with pytest.raises(ValueError):
negative((1, 2, 3, 4))
def test_tuple_fails(self):
with pytest.raises(ValueError):
negative((0, 0, 0, 0))
with pytest.raises(ValueError):
negative((1, 2, 3, 4))
def test_tuple_passes(self):
negative((-1, -2, -3, -4))
def test_list_passes(self):
negative([-1, -2, -3, -4])
def test_scalar_fails(self):
with pytest.raises(ValueError):
negative(4)
with pytest.raises(ValueError):
negative(0)
def test_scalar_passes(self):
negative(-4)