code: def test_getitem(idx):
      # scalar
      assert idx[2] == ("bar", "one")
  
      # slice
      result = idx[2:5]
      expected = idx[[2, 3, 4]]
      assert result.equals(expected)
  
      # boolean
      result = idx[[True, False, True, False, True, True]]
      result2 = idx[np.array([True, False, True, False, True, True])]
      expected = idx[[0, 2, 4, 5]]
      assert result.equals(expected)
      assert result2.equals(expected)
  
imports: from datetime import timedelta
  import re
  import numpy
  import pytest
  from pandas._libs import index
  from pandas.errors import InvalidIndexError, PerformanceWarning
  import pandas
  from pandas import Categorical, DataFrame, Index, MultiIndex, date_range
  import pandas._testing
label_desc: Use image node_id 1 for calling a global function with example usage: test_getitem(idx) without return types