code: def test_structured_view_offsets_paramteric(
      self, from_dt, to_dt, expected_off
  ):
      # TODO: While this test is fairly thorough, right now, it does not
      # really test some paths that may have nonzero offsets (they don't
      # really exists).
      from_dt = np.dtype(from_dt)
      to_dt = np.dtype(to_dt)
      cast = get_castingimpl(type(from_dt), type(to_dt))
      _, _, view_off = cast._resolve_descriptors((from_dt, to_dt))
      assert view_off == expected_off
  
imports: import pytest
  import textwrap
  import enum
  import random
  import ctypes
  import numpy
  from numpy.lib.stride_tricks import as_strided
  from numpy.testing import assert_array_equal
  from numpy.core._multiarray_umath import _get_castingimpl
label_desc: Use image node_id 18 for calling the TestCasting obj's underlying member method code with example usage: obj.test_structured_view_offsets_paramteric(from_dt, to_dt, expected_off) without return types