def test_numpy_vector_fails_negative(self):
with pytest.raises(ValueError):
nonnegative((-1, -2, -3, -4))
def test_numpy_vector_passes(self):
nonnegative((0, 0, 0, 0))
nonnegative(np.asarray((1, 2, 3, 4)))
def test_list_fails_negative(self):
with pytest.raises(ValueError):
nonnegative((-1, -2, -3, -4))
def test_list_passes(self):
nonnegative((0, 0, 0, 0))
nonnegative((1, 2, 3, 4))
def test_scalar_fails_negative(self):
with pytest.raises(ValueError):
nonnegative(-4)
def test_scalar_passes(self):
nonnegative(4)
nonnegative(0)