| 1234567891011121314151617181920212223242526 |
- import pytest
- from pandas import (
- Period,
- PeriodIndex,
- Series,
- period_range,
- )
- import pandas._testing as tm
- @pytest.mark.parametrize(
- "cons",
- [
- lambda x: PeriodIndex(x),
- lambda x: PeriodIndex(PeriodIndex(x)),
- ],
- )
- def test_periodindex(using_copy_on_write, cons):
- dt = period_range("2019-12-31", periods=3, freq="D")
- ser = Series(dt)
- idx = cons(ser)
- expected = idx.copy(deep=True)
- ser.iloc[0] = Period("2020-12-31")
- if using_copy_on_write:
- tm.assert_index_equal(idx, expected)
|
