From 78e868fa28dd8c913895399d9aba6828dc40fc20 Mon Sep 17 00:00:00 2001 From: Heikki Toivonen <308110+heikkitoivonen@users.noreply.github.com> Date: Fri, 9 Jan 2026 22:17:57 -0800 Subject: [PATCH] gh-143586: Add Counter comparison tests to enforce missing element semantics (gh-143587) --- Lib/test/test_collections.py | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/Lib/test/test_collections.py b/Lib/test/test_collections.py index fad639b20a18..b1b2dd2ca5ca 100644 --- a/Lib/test/test_collections.py +++ b/Lib/test/test_collections.py @@ -2423,6 +2423,8 @@ class TestCounter(unittest.TestCase): def test_le(self): self.assertTrue(Counter(a=3, b=2, c=0) <= Counter('ababa')) + self.assertTrue(Counter() <= Counter(c=1)) + self.assertFalse(Counter() <= Counter(c=-1)) self.assertFalse(Counter(a=3, b=2) <= Counter('babab')) def test_lt(self): @@ -2431,6 +2433,8 @@ class TestCounter(unittest.TestCase): def test_ge(self): self.assertTrue(Counter(a=2, b=1, c=0) >= Counter('aab')) + self.assertTrue(Counter() >= Counter(c=-1)) + self.assertFalse(Counter() >= Counter(c=1)) self.assertFalse(Counter(a=3, b=2, c=0) >= Counter('aabd')) def test_gt(self): -- 2.47.3