class_docstr: Test frequency conversion of date objects
class_docstr_tok: ["Test","frequency","conversion","of","date","objects"]
code: def test_to_timestamp_out_of_bounds(self):
      # GH#19643, used to incorrectly give Timestamp in 1754
      with tm.assert_produces_warning(FutureWarning, match=bday_msg):
          per = Period("0001-01-01", freq="B")
      msg = "Out of bounds nanosecond timestamp"
      with pytest.raises(OutOfBoundsDatetime, match=msg):
          with tm.assert_produces_warning(
              FutureWarning, match=bday_msg
          ):
              per.to_timestamp()
  
imports: import pytest
  from pandas._libs.tslibs.period import INVALID_FREQ_ERR_MSG
  from pandas.errors import OutOfBoundsDatetime
  from pandas import Period, Timestamp, offsets
  import pandas._testing
label_desc: Use image node_id 3 for calling the TestFreqConversion obj's underlying member method code with example usage: obj.test_to_timestamp_out_of_bounds() without return types