code: def test_in_cache_from_2casttype(self):
      for t in self.type.all_types():
          if t.elsize != self.type.elsize:
              continue
          obj = np.array(self.num2seq, dtype=t.dtype)
          shape = (len(self.num2seq),)
          a = self.array(shape, intent.in_.c.cache, obj)
          assert a.has_shared_memory()
  
          a = self.array(shape, intent.in_.cache, obj)
          assert a.has_shared_memory()
  
          obj = np.array(self.num2seq, dtype=t.dtype, order="F")
          a = self.array(shape, intent.in_.c.cache, obj)
          assert a.has_shared_memory()
  
          a = self.array(shape, intent.in_.cache, obj)
          assert a.has_shared_memory(), repr(t.dtype)
  
          try:
              a = self.array(shape, intent.in_.cache, obj[::-1])
          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 multisegmented 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 17 for calling the TestSharedMemory obj's underlying member method code with example usage: obj.test_in_cache_from_2casttype() without return types