code: def test_segmentation_fault(self):
      arr = np.zeros((224, 224, 3))
      c_arr = np.ctypeslib.as_ctypes(arr)
      arr_ref = weakref.ref(arr)
      del arr
  
      # check the reference wasn't cleaned up
      assert_(arr_ref() is not None)
  
      # check we avoid the segfault
      c_arr[0][0][0]
  
imports: import sys
  import sysconfig
  import weakref
  from pathlib import Path
  import pytest
  import numpy
  from numpy.ctypeslib import ndpointer, load_library, as_array
  from numpy.testing import assert_, assert_array_equal, assert_raises, assert_equal
label_desc: Use image node_id 5 for calling the TestAsArray obj's underlying member method code with example usage: obj.test_segmentation_fault() without return types