31 lines
653 B
Python
31 lines
653 B
Python
import pytest
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from pandas import (
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Period,
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PeriodIndex,
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Series,
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period_range,
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)
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import pandas._testing as tm
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pytestmark = pytest.mark.filterwarnings(
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"ignore:Setting a value on a view:FutureWarning"
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)
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@pytest.mark.parametrize(
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"cons",
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[
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lambda x: PeriodIndex(x),
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lambda x: PeriodIndex(PeriodIndex(x)),
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],
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)
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def test_periodindex(using_copy_on_write, cons):
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dt = period_range("2019-12-31", periods=3, freq="D")
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ser = Series(dt)
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idx = cons(ser)
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expected = idx.copy(deep=True)
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ser.iloc[0] = Period("2020-12-31")
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if using_copy_on_write:
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tm.assert_index_equal(idx, expected)
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