code: def test_in_cache_from_2casttype_failure(self):
      for t in self.type.all_types():
          if t.NAME == "STRING":
              # string elsize is 0, so skipping the test
              continue
          if t.elsize >= self.type.elsize:
              continue
          obj = np.array(self.num2seq, dtype=t.dtype)
          shape = (len(self.num2seq),)
          try:
              self.array(shape, intent.in_.cache, obj)  # Should succeed
          except ValueError as msg:
              if not str(msg).startswith(
                  "failed to initialize intent(cache) array"
              ):
                  raise
          else:
              raise SystemError(
                  "intent(cache) should have failed on smaller array"
              )
  
imports: import os
  import sys
  import copy
  import platform
  import pytest
  import numpy
  from numpy.testing import assert_, assert_equal
  from numpy.core.multiarray import typeinfo
  from .None import util
label_desc: Use image node_id 18 for calling the TestSharedMemory obj's underlying member method code with example usage: obj.test_in_cache_from_2casttype_failure() without return types