code: def test_array_proxy_slicing(self):
      # Test slicing of array proxy
      arr = self.img.get_fdata()
      prox = self.img.dataobj
      assert prox.is_proxy
      for sliceobj in slicer_samples(self.img.shape):
          assert_array_equal(arr[sliceobj], prox[sliceobj])
  
imports: import os
  import warnings
  from pathlib import Path
  from unittest import TestCase
  import numpy
  import pytest
  from numpy.testing import assert_array_almost_equal, assert_array_equal
  from ..ecat import EcatHeader, EcatImage, EcatSubHeader, get_frame_order, get_series_framenumbers, read_mlist
  from ..openers import Opener
  from ..testing import data_path, suppress_warnings
  from ..tmpdirs import InTemporaryDirectory
  from .None import test_wrapstruct
  from .test_fileslice import slicer_samples
label_desc: Use image node_id 5 for calling the TestEcatImage obj's underlying member method code with example usage: obj.test_array_proxy_slicing() without return types