code: def test_struct_array_pointer(self):
      from ctypes import c_int16, Structure, pointer
  
      class Struct(Structure):
          _fields_ = [("a", c_int16)]
  
      Struct3 = 3 * Struct
  
      c_array = (2 * Struct3)(
          Struct3(Struct(a=1), Struct(a=2), Struct(a=3)),
          Struct3(Struct(a=4), Struct(a=5), Struct(a=6)),
      )
  
      expected = np.array(
          [
              [(1,), (2,), (3,)],
              [(4,), (5,), (6,)],
          ],
          dtype=[("a", np.int16)],
      )
  
      def check(x):
          assert_equal(x.dtype, expected.dtype)
          assert_equal(x, expected)
  
      # all of these should be equivalent
      check(as_array(c_array))
      check(as_array(pointer(c_array), shape=()))
      check(as_array(pointer(c_array[0]), shape=(2,)))
      check(as_array(pointer(c_array[0][0]), shape=(2, 3)))
  
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 3 for calling the TestAsArray obj's underlying member method code with example usage: obj.test_struct_array_pointer() without return types