code: def test_object_and_simple_resolution(self, dtype):
      # Simple test to exercise the cast when no instance is specified
      object_dtype = type(np.dtype(object))
      cast = get_castingimpl(object_dtype, type(dtype))
  
      safety, (_, res_dt), view_off = cast._resolve_descriptors(
          (np.dtype("O"), dtype)
      )
      assert safety == Casting.unsafe
      assert view_off is None
      assert res_dt is dtype
  
      safety, (_, res_dt), view_off = cast._resolve_descriptors(
          (np.dtype("O"), None)
      )
      assert safety == Casting.unsafe
      assert view_off is None
      assert res_dt == dtype.newbyteorder("=")
  
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 14 for calling the TestCasting obj's underlying member method code with example usage: obj.test_object_and_simple_resolution(dtype) without return types