code: def test_constructor_range_values_mismatched_dtype(self, dtype):
      rng = Index(range(5))
  
      result = Index(rng, dtype=dtype)
      assert result.dtype == dtype
  
      result = Index(range(5), dtype=dtype)
      assert result.dtype == dtype
  
imports: from datetime import datetime, timedelta, timezone
  from decimal import Decimal
  import numpy
  import pytest
  from pandas._libs.tslibs.timezones import maybe_get_tz
  from pandas import NA, Categorical, CategoricalIndex, DatetimeIndex, Index, IntervalIndex, MultiIndex, NaT, PeriodIndex, Series, TimedeltaIndex, Timestamp, array, date_range, period_range, timedelta_range
  import pandas._testing
label_desc: Use image node_id 2 for calling the TestDtypeEnforced obj's underlying member method code with example usage: obj.test_constructor_range_values_mismatched_dtype(dtype) without return types