code: def test_ptr_struct(self):
      class X(Structure):
          _fields_ = [("data", POINTER(c_int))]
  
      A = c_int * 4
      a = A(11, 22, 33, 44)
      self.assertEqual(a._objects, None)
  
      x = X()
      x.data = a
  
file_path: cpython/Lib/test/test_ctypes/test_internals.py
imports: import sys
  import unittest
  from ctypes import Structure, POINTER, c_char_p, c_int
label_desc: Use image node_id 7 for calling the ObjectsTestCase obj's underlying member method code with example usage: obj.test_ptr_struct() without return types