gh-95173: Add a regression test for sorting tuples containing None (#…

…95464)
python · Aug 1, 2022 · c0cd790 · c0cd790
1 parent 7d89738
commit c0cd790
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/Lib/test/test_sort.py b/Lib/test/test_sort.py
@@ -378,6 +378,12 @@ def test_not_all_tuples(self):
         self.assertRaises(TypeError, [(1.0, 1.0), (False, "A"), 6].sort)
         self.assertRaises(TypeError, [('a', 1), (1, 'a')].sort)
         self.assertRaises(TypeError, [(1, 'a'), ('a', 1)].sort)
+
+    def test_none_in_tuples(self):
+        expected = [(None, 1), (None, 2)]
+        actual = sorted([(None, 2), (None, 1)])
+        self.assertEqual(actual, expected)
+
 #==============================================================================
 
 if __name__ == "__main__":