code: def test_base_constructor_with_period_dtype(self):
      dtype = PeriodDtype("D")
      values = ["2011-01-01", "2012-03-04", "2014-05-01"]
      result = Index(values, dtype=dtype)
  
      expected = PeriodIndex(values, dtype=dtype)
      tm.assert_index_equal(result, expected)
  
imports: import numpy
  import pytest
  from pandas._libs.tslibs.period import IncompatibleFrequency
  from pandas.core.dtypes.dtypes import PeriodDtype
  from pandas import Index, NaT, Period, PeriodIndex, Series, date_range, offsets, period_range
  import pandas._testing
  from pandas.core.arrays import PeriodArray
label_desc: Use image node_id 4 for calling the TestPeriodIndex obj's underlying member method code with example usage: obj.test_base_constructor_with_period_dtype() without return types