code: def test_ffill_limit_area(
      self, data_missing, limit_area, input_ilocs, expected_ilocs
  ):
      # GH#56616
      msg = "ExtensionArray.fillna 'method' keyword is deprecated"
      with tm.assert_produces_warning(
          DeprecationWarning,
          match=msg,
          check_stacklevel=False,
          raise_on_extra_warnings=False,
      ):
          msg = "DecimalArray does not implement limit_area"
          with pytest.raises(NotImplementedError, match=msg):
              super().test_ffill_limit_area(
                  data_missing, limit_area, input_ilocs, expected_ilocs
              )
  
imports: from __future__ import annotations
  import decimal
  import operator
  import numpy
  import pytest
  import pandas
  import pandas._testing
  from pandas.tests.extension import base
  from pandas.tests.extension.decimal.array import DecimalArray, DecimalDtype, make_data, to_decimal
label_desc: Use image node_id 11 for calling the TestDecimalArray obj's underlying member method code with example usage: obj.test_ffill_limit_area(data_missing, limit_area, input_ilocs, expected_ilocs) without return types