allow arbitrary attributes on classmethod and staticmethod (closes #14051)

1 files changed, 13 insertions, 0 deletions

diff --git a/Lib/test/test_descr.py b/Lib/test/test_descr.py
index 2b2026c..2227779 100644
--- a/Lib/test/test_descr.py
+++ b/Lib/test/test_descr.py
@@ -1443,6 +1443,13 @@ order (MRO) for bases """
         else:
             self.fail("classmethod shouldn't accept keyword args")
 
+        cm = classmethod(f)
+        cm.x = 42
+        self.assertEqual(cm.x, 42)
+        self.assertEqual(cm.__dict__, {"x" : 42})
+        del cm.x
+        self.assertFalse(hasattr(cm, "x"))
+
     @support.impl_detail("the module 'xxsubtype' is internal")
     def test_classmethods_in_c(self):
         # Testing C-based class methods...
@@ -1474,6 +1481,12 @@ order (MRO) for bases """
         self.assertEqual(d.goo(1), (1,))
         self.assertEqual(d.foo(1), (d, 1))
         self.assertEqual(D.foo(d, 1), (d, 1))
+        sm = staticmethod(None)
+        sm.x = 42
+        self.assertEqual(sm.x, 42)
+        self.assertEqual(sm.__dict__, {"x" : 42})
+        del sm.x
+        self.assertFalse(hasattr(sm, "x"))
 
     @support.impl_detail("the module 'xxsubtype' is internal")
     def test_staticmethods_in_c(self):