Skip to content

TST: DataFrame.equals array-vs-scalar object element (GH#43867) #66032

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
jbrockmendel merged 1 commit into from
Jun 26, 2026
+10 −0
Merged

TST: DataFrame.equals array-vs-scalar object element (GH#43867) #66032

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
10 changes: 10 additions & 0 deletions pandas/tests/frame/methods/test_equals.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,16 @@ def test_dataframe_not_equal(self):
df2 = DataFrame({"a": ["s", "d"], "b": [1, 2]})
assert df1.equals(df2) is False

def test_equals_object_array_vs_scalar(self):
# GH#43867 one object-dtype element is a numpy array, the other a
# scalar; these must not compare equal
df = DataFrame({"x": ["a"]}, dtype=object)
other = df.copy()
other["x"] = [np.array(["a"], dtype=object)]
assert df["x"].dtype == other["x"].dtype == object
assert not df.equals(other)
assert not other.equals(df)

def test_equals_different_blocks(self):
# GH#9330
df0 = DataFrame(
Expand Down
Loading