From 68526fe258da8c01196fd7cf48e8e5f1280bf8fd Mon Sep 17 00:00:00 2001
From: Angelin BOOZ <9497359+lem2clide@users.noreply.github.com>
Date: Mon, 21 Sep 2020 15:11:06 +0200
Subject: bpo-40084: Enum - dir() includes member attributes (GH-19219)

---
 Lib/test/test_enum.py | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'Lib/test/test_enum.py')

diff --git a/Lib/test/test_enum.py b/Lib/test/test_enum.py
index 59789fb7bc..3f39073f5d 100644
--- a/Lib/test/test_enum.py
+++ b/Lib/test/test_enum.py
@@ -216,6 +216,18 @@ class TestEnum(unittest.TestCase):
                 set(['__class__', '__doc__', '__module__', 'name', 'value', 'invisible']),
                 )
 
+    def test_dir_on_sub_with_behavior_including_instance_dict_on_super(self):
+        # see issue40084
+        class SuperEnum(IntEnum):
+            def __new__(cls, value, description=""):
+                obj = int.__new__(cls, value)
+                obj._value_ = value
+                obj.description = description
+                return obj
+        class SubEnum(SuperEnum):
+            sample = 5
+        self.assertTrue({'description'} <= set(dir(SubEnum.sample)))
+
     def test_enum_in_enum_out(self):
         Season = self.Season
         self.assertIs(Season(Season.WINTER), Season.WINTER)
-- 
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