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13 changes: 13 additions & 0 deletions pandas/tests/frame/test_arithmetic.py
Original file line number Diff line number Diff line change
@@ -1,5 +1,6 @@
from collections import deque
from datetime import datetime
from enum import Enum
import functools
import operator
import re
Expand Down Expand Up @@ -2050,3 +2051,15 @@ def _constructor_sliced(self):

result = sdf + sdf
tm.assert_frame_equal(result, expected)


def test_enum_column_equality():
Cols = Enum("Cols", "col1 col2")

q1 = DataFrame({Cols.col1: [1, 2, 3]})
q2 = DataFrame({Cols.col1: [1, 2, 3]})

result = q1[Cols.col1] == q2[Cols.col1]
expected = Series([True, True, True], name=Cols.col1)

tm.assert_series_equal(result, expected)