def test_extruded_nbytes(self, backend, dat_field):
        assert dat_field.nbytes == nums[2] * wedges * 8
Nbytes computes the number of bytes occupied by an extruded Dat.
dataset/ETHPy150Open OP2/PyOP2/test/unit/test_extrusion.py/TestExtrusion.test_extruded_nbytes