code: def test_unicode_byteswapped_cast(self, order1, order2):
      # Very specific tests (not using the castingimpl directly)
      # that tests unicode bytedwaps including for unaligned array data.
      dtype1 = np.dtype(f"{order1}U30")
      dtype2 = np.dtype(f"{order2}U30")
      data1 = np.empty(30 * 4 + 1, dtype=np.uint8)[1:].view(dtype1)
      data2 = np.empty(30 * 4 + 1, dtype=np.uint8)[1:].view(dtype2)
      if dtype1.alignment != 1:
          # alignment should always be >1, but skip the check if not
          assert not data1.flags.aligned
          assert not data2.flags.aligned
  
      element = "this is a ünicode string‽"
      data1[()] = element
      # Test both `data1` and `data1.copy()`  (which should be aligned)
      for data in [data1, data1.copy()]:
          data2[...] = data1
          assert data2[()] == element
          assert data2.copy()[()] == element
  
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 11 for calling the TestCasting obj's underlying member method code with example usage: obj.test_unicode_byteswapped_cast(order1, order2) without return types