def test_array_view():
a = np.ones(100 * 4).astype("uint8")
a_float_view = m.array_view(a, "float32")
assert a_float_view.shape == (100 * 1,) # 1 / 4 bytes = 8 / 32
a_int16_view = m.array_view(a, "int16") # 1 / 2 bytes = 16 / 32
assert a_int16_view.shape == (100 * 2,)
def test_array_view_invalid():
a = np.ones(100 * 4).astype("uint8")
with pytest.raises(TypeError):
m.array_view(a, "deadly_dtype")