code: def test_loc_getitem_with_non_string_categories(
      self, idx_values, ordered
  ):
      # GH-17569
      cat_idx = CategoricalIndex(idx_values, ordered=ordered)
      df = DataFrame({"A": ["foo", "bar", "baz"]}, index=cat_idx)
      sl = slice(idx_values[0], idx_values[1])
  
      # scalar selection
      result = df.loc[idx_values[0]]
      expected = Series(["foo"], index=["A"], name=idx_values[0])
      tm.assert_series_equal(result, expected)
  
      # list selection
      result = df.loc[idx_values[:2]]
      expected = DataFrame(
          ["foo", "bar"], index=cat_idx[:2], columns=["A"]
      )
      tm.assert_frame_equal(result, expected)
  
      # slice selection
      result = df.loc[sl]
      expected = DataFrame(
          ["foo", "bar"], index=cat_idx[:2], columns=["A"]
      )
      tm.assert_frame_equal(result, expected)
  
      # scalar assignment
      result = df.copy()
      result.loc[idx_values[0]] = "qux"
      expected = DataFrame({"A": ["qux", "bar", "baz"]}, index=cat_idx)
      tm.assert_frame_equal(result, expected)
  
      # list assignment
      result = df.copy()
      result.loc[idx_values[:2], "A"] = ["qux", "qux2"]
      expected = DataFrame({"A": ["qux", "qux2", "baz"]}, index=cat_idx)
      tm.assert_frame_equal(result, expected)
  
      # slice assignment
      result = df.copy()
      result.loc[sl, "A"] = ["qux", "qux2"]
      expected = DataFrame({"A": ["qux", "qux2", "baz"]}, index=cat_idx)
      tm.assert_frame_equal(result, expected)
  
imports: import re
  import numpy
  import pytest
  import pandas.util._test_decorators
  import pandas
  from pandas import Categorical, CategoricalDtype, CategoricalIndex, DataFrame, Index, Interval, Series, Timedelta, Timestamp, option_context
  import pandas._testing
label_desc: Use image node_id 20 for calling the TestCategoricalIndex obj's underlying member method code with example usage: obj.test_loc_getitem_with_non_string_categories(idx_values, ordered) without return types