code: def test_getitem_empty_frame_with_boolean(self):
      # Test for issue GH#11859
  
      df = DataFrame()
      df2 = df[df > 0]
      tm.assert_frame_equal(df, df2)
  
imports: import re
  import numpy
  import pytest
  from pandas import Categorical, CategoricalDtype, CategoricalIndex, DataFrame, DateOffset, DatetimeIndex, Index, MultiIndex, Series, Timestamp, concat, date_range, get_dummies, period_range
  import pandas._testing
  from pandas.core.arrays import SparseArray
label_desc: Use image node_id 7 for calling the TestGetitemBooleanMask obj's underlying member method code with example usage: obj.test_getitem_empty_frame_with_boolean() without return types