code: def test_array_proxy_slicing(self):
      # Test slicing of array proxy
      for tp in self.test_files:
          img = self.module.load(tp["fname"])
          arr = img.get_fdata()
          prox = img.dataobj
          assert prox.is_proxy
          for sliceobj in slicer_samples(img.shape):
              assert_array_equal(arr[sliceobj], prox[sliceobj])
  
file_path: nibabel/nibabel/tests/test_brikhead.py
imports: from os.path import join
  import numpy
  import pytest
  from numpy.testing import assert_array_equal
  from ..None import Nifti1Image, brikhead, load
  from ..testing import assert_data_similar, data_path
  from .test_fileslice import slicer_samples
label_desc: Use image node_id 3 for calling the TestAFNIImage obj's underlying member method code with example usage: obj.test_array_proxy_slicing() without return types