code: def test_empty(self, float_frame, float_string_frame):
      empty_frame = DataFrame()
      assert empty_frame.empty
  
      assert not float_frame.empty
      assert not float_string_frame.empty
  
      # corner case
      df = DataFrame(
          {"A": [1.0, 2.0, 3.0], "B": ["a", "b", "c"]},
          index=np.arange(3),
      )
      del df["A"]
      assert not df.empty
  
imports: from copy import deepcopy
  import inspect
  import pydoc
  import numpy
  import pytest
  from pandas._config import using_pyarrow_string_dtype
  from pandas._config.config import option_context
  import pandas
  from pandas import DataFrame, Series, date_range, timedelta_range
  import pandas._testing
label_desc: Use image node_id 10 for calling the TestDataFrameMisc obj's underlying member method code with example usage: obj.test_empty(float_frame, float_string_frame) without return types