1 files changed, 12 insertions, 0 deletions
diff --git a/Lib/test/test_enum.py b/Lib/test/test_enum.py
index f1f80631eb..dccaa4ffaa 100644
--- a/Lib/test/test_enum.py
+++ b/Lib/test/test_enum.py
@@ -176,6 +176,18 @@ class TestEnum(unittest.TestCase):
                 set(['__class__', '__doc__', '__module__', 'name', 'value', 'wowser']),
                 )
 
+    def test_dir_on_sub_with_behavior_on_super(self):
+        # see issue22506
+        class SuperEnum(Enum):
+            def invisible(self):
+                return "did you see me?"
+        class SubEnum(SuperEnum):
+            sample = 5
+        self.assertEqual(
+                set(dir(SubEnum.sample)),
+                set(['__class__', '__doc__', '__module__', 'name', 'value', 'invisible']),
+                )
+
     def test_enum_in_enum_out(self):
         Season = self.Season
         self.assertIs(Season(Season.WINTER), Season.WINTER)