code: def test_slice_locs(self):
      df = DataFrame(
          np.random.default_rng(2).standard_normal((50, 4)),
          columns=Index(list("ABCD"), dtype=object),
          index=date_range("2000-01-01", periods=50, freq="B"),
      )
      stacked = df.stack(future_stack=True)
      idx = stacked.index
  
      slob = slice(*idx.slice_locs(df.index[5], df.index[15]))
      sliced = stacked[slob]
      expected = df[5:16].stack(future_stack=True)
      tm.assert_almost_equal(sliced.values, expected.values)
  
      slob = slice(
          *idx.slice_locs(
              df.index[5] + timedelta(seconds=30),
              df.index[15] - timedelta(seconds=30),
          )
      )
      sliced = stacked[slob]
      expected = df[6:15].stack(future_stack=True)
      tm.assert_almost_equal(sliced.values, expected.values)
  
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 2 for calling the TestSliceLocs obj's underlying member method code with example usage: obj.test_slice_locs() without return types