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add test to check type of df column after loc() #47264

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Merged
merged 5 commits into from
Jun 13, 2022
Merged

add test to check type of df column after loc() #47264

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de0579b
add test
jackgoldsmith4 Jun 7, 2022
0941d15
double quotes
jackgoldsmith4 Jun 7, 2022
7decd54
fixes
jackgoldsmith4 Jun 9, 2022
8e12cf8
remove pd
jackgoldsmith4 Jun 9, 2022
858b765
fix index type
jackgoldsmith4 Jun 10, 2022
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7 changes: 7 additions & 0 deletions pandas/tests/indexing/test_loc.py
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Expand Up @@ -2869,6 +2869,13 @@ def test_loc_setitem_using_datetimelike_str_as_index(fill_val, exp_dtype):
tm.assert_index_equal(df.index, expected_index, exact=True)


def test_loc_set_int_dtype():
df = pd.DataFrame([list("abc")])
df.loc[:, "col1"] = int(5)

assert str(df.dtypes["col1"]) == "int64"


class TestLocSeries:
@pytest.mark.parametrize("val,expected", [(2**63 - 1, 3), (2**63, 4)])
def test_loc_uint64(self, val, expected):
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