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TST: Add a test for fillna in PeriodArray #50671

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Merged
merged 6 commits into from
Jan 15, 2023
Merged

TST: Add a test for fillna in PeriodArray #50671

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db38b7b
fillna parr test added
Jan 10, 2023
c212622
isort
Jan 10, 2023
9432dbf
remove wrong empty line
Jan 10, 2023
c542519
small adjustments
Jan 11, 2023
5f494f0
remove redundant cast
Jan 12, 2023
e80ae82
Merge branch 'main' into GH-24537/parr-fillna-test
phofl Jan 15, 2023
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24 changes: 24 additions & 0 deletions pandas/tests/series/methods/test_fillna.py
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Original file line number Diff line number Diff line change
Expand Up @@ -21,6 +21,7 @@
isna,
)
import pandas._testing as tm
from pandas.core.arrays import period_array


class TestSeriesFillNA:
Expand Down Expand Up @@ -946,3 +947,26 @@ def test_datetime64tz_fillna_round_issue(self):
)

tm.assert_series_equal(filled, expected)

def test_fillna_parr(self):
# GH-24537
dti = date_range(
Timestamp.max - Timedelta(nanoseconds=10), periods=5, freq="ns"
)
ser = Series(dti.to_period("ns"))
ser[2] = NaT
arr = period_array(
[
Timestamp("2262-04-11 23:47:16.854775797"),
Timestamp("2262-04-11 23:47:16.854775798"),
Timestamp("2262-04-11 23:47:16.854775798"),
Timestamp("2262-04-11 23:47:16.854775800"),
Timestamp("2262-04-11 23:47:16.854775801"),
],
freq="ns",
)
expected = Series(arr)

filled = ser.fillna(method="pad")

tm.assert_series_equal(filled, expected)