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TST: added test for pd.where overflow error GH31687 #49926

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Merged
merged 4 commits into from
Nov 28, 2022
Merged

TST: added test for pd.where overflow error GH31687 #49926

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TST: added test for pd.where overflow error GH31687
mliu08 Nov 27, 2022
48f81cd
updated to better match original issue
mliu08 Nov 27, 2022
abc954c
typo'd datetime.date
mliu08 Nov 27, 2022
f6ce291
removed date object from test
mliu08 Nov 28, 2022
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12 changes: 12 additions & 0 deletions pandas/tests/frame/indexing/test_where.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1017,3 +1017,15 @@ def test_where_producing_ea_cond_for_np_dtype():
{"a": Series([pd.NA, pd.NA, 2], dtype="Int64"), "b": [np.nan, 2, 3]}
)
tm.assert_frame_equal(result, expected)


@pytest.mark.parametrize(
"replacement", [0.001, True, "snake", None, datetime(2022, 5, 4)]
)
def test_where_int_overflow(replacement):
# GH 31687
df = DataFrame([[1.0, 2e25, "nine"], [np.nan, 0.1, None]])
result = df.where(pd.notnull(df), replacement)
expected = DataFrame([[1.0, 2e25, "nine"], [replacement, 0.1, replacement]])

tm.assert_frame_equal(result, expected)