code: def test_to_csv_from_csv_w_some_infs(self, float_frame):
      # test roundtrip with inf, -inf, nan, as full columns and mix
      float_frame["G"] = np.nan
      f = lambda x: [np.inf, np.nan][
          np.random.default_rng(2).random() < 0.5
      ]
      float_frame["h"] = float_frame.index.map(f)
  
      with tm.ensure_clean() as path:
          float_frame.to_csv(path)
          recons = self.read_csv(path)
  
          tm.assert_frame_equal(float_frame, recons)
          tm.assert_frame_equal(np.isinf(float_frame), np.isinf(recons))
  
imports: import csv
  from io import StringIO
  import os
  import numpy
  import pytest
  from pandas.errors import ParserError
  import pandas
  from pandas import DataFrame, Index, MultiIndex, NaT, Series, Timestamp, date_range, period_range, read_csv, to_datetime
  import pandas._testing
  import pandas.core.common
  from pandas.io.common import get_handle
label_desc: Use image node_id 18 for calling the TestDataFrameToCSV obj's underlying member method code with example usage: obj.test_to_csv_from_csv_w_some_infs(float_frame) without return types