1 files changed, 9 insertions, 1 deletions
diff --git a/Lib/test/test_descr.py b/Lib/test/test_descr.py
index c0c7414..b9b1c72 100644
--- a/Lib/test/test_descr.py
+++ b/Lib/test/test_descr.py
@@ -4438,7 +4438,15 @@ order (MRO) for bases """
             pass
         Foo.__repr__ = Foo.__str__
         foo = Foo()
-        str(foo)
+        self.assertRaises(RuntimeError, str, foo)
+        self.assertRaises(RuntimeError, repr, foo)
+
+    def test_mixing_slot_wrappers(self):
+        class X(dict):
+            __setattr__ = dict.__setitem__
+        x = X()
+        x.y = 42
+        self.assertEqual(x["y"], 42)
 
     def test_slot_shadows_class_variable(self):
         with self.assertRaises(ValueError) as cm: