code: def test_slice_specialised(self, simple_index):
      index = simple_index
      index.name = "foo"
  
      # scalar indexing
      res = index[1]
      expected = 2
      assert res == expected
  
      res = index[-1]
      expected = 18
      assert res == expected
  
      # slicing
      # slice value completion
      index_slice = index[:]
      expected = index
      tm.assert_index_equal(index_slice, expected)
  
      # positive slice values
      index_slice = index[7:10:2]
      expected = Index([14, 18], name="foo")
      tm.assert_index_equal(index_slice, expected, exact="equiv")
  
      # negative slice values
      index_slice = index[-1:-5:-2]
      expected = Index([18, 14], name="foo")
      tm.assert_index_equal(index_slice, expected, exact="equiv")
  
      # stop overshoot
      index_slice = index[2:100:4]
      expected = Index([4, 12], name="foo")
      tm.assert_index_equal(index_slice, expected, exact="equiv")
  
      # reverse
      index_slice = index[::-1]
      expected = Index(index.values[::-1], name="foo")
      tm.assert_index_equal(index_slice, expected, exact="equiv")
  
      index_slice = index[-8::-1]
      expected = Index([4, 2, 0], name="foo")
      tm.assert_index_equal(index_slice, expected, exact="equiv")
  
      index_slice = index[-40::-1]
      expected = Index(np.array([], dtype=np.int64), name="foo")
      tm.assert_index_equal(index_slice, expected, exact="equiv")
  
      index_slice = index[40::-1]
      expected = Index(index.values[40::-1], name="foo")
      tm.assert_index_equal(index_slice, expected, exact="equiv")
  
      index_slice = index[10::-1]
      expected = Index(index.values[::-1], name="foo")
      tm.assert_index_equal(index_slice, expected, exact="equiv")
  
imports: import numpy
  import pytest
  from pandas.core.dtypes.common import ensure_platform_int
  import pandas
  from pandas import Index, RangeIndex
  import pandas._testing
label_desc: Use image node_id 34 for calling the TestRangeIndex obj's underlying member method code with example usage: obj.test_slice_specialised(simple_index) without return types