code: def test_timedelta_range(self):
      expected = to_timedelta(np.arange(5), unit="D")
      result = timedelta_range("0 days", periods=5, freq="D")
      tm.assert_index_equal(result, expected)
  
      expected = to_timedelta(np.arange(11), unit="D")
      result = timedelta_range("0 days", "10 days", freq="D")
      tm.assert_index_equal(result, expected)
  
      expected = (
          to_timedelta(np.arange(5), unit="D") + Second(2) + Day()
      )
      result = timedelta_range(
          "1 days, 00:00:02", "5 days, 00:00:02", freq="D"
      )
      tm.assert_index_equal(result, expected)
  
      expected = to_timedelta([1, 3, 5, 7, 9], unit="D") + Second(2)
      result = timedelta_range("1 days, 00:00:02", periods=5, freq="2D")
      tm.assert_index_equal(result, expected)
  
      expected = to_timedelta(np.arange(50), unit="min") * 30
      result = timedelta_range("0 days", freq="30min", periods=50)
      tm.assert_index_equal(result, expected)
  
file_path: pandas/pandas/tests/indexes/timedeltas/test_timedelta_range.py
imports: import numpy
  import pytest
  from pandas import Timedelta, TimedeltaIndex, timedelta_range, to_timedelta
  import pandas._testing
  from pandas.tseries.offsets import Day, Second
label_desc: Use image node_id 2 for calling the TestTimedeltas obj's underlying member method code with example usage: obj.test_timedelta_range() without return types