commit f203f2d51da404fd59cbfbf40201fe30bd9ea79c
author Ethan Furman <ethan@stoneleaf.us> Fri Sep 06 07:16:48 2013 -0700
committer Ethan Furman <ethan@stoneleaf.us> Fri Sep 06 07:16:48 2013 -0700
tree cd0221640a9d9445eada6cfcc21128ff72ec68d3
parent 96d848ace4785077c2852ede46895775854be676

Close #18924:  Block naive attempts to change an Enum member.

Lib/test/test_enum.py

diff --git a/Lib/test/test_enum.py b/Lib/test/test_enum.py
index 2a589f5..018e3fd 100644
--- a/Lib/test/test_enum.py
+++ b/Lib/test/test_enum.py
@@ -152,6 +152,11 @@
         with self.assertRaises(AttributeError):
             Season.SPRING.value = 2
 
+    def test_changing_member(self):
+        Season = self.Season
+        with self.assertRaises(AttributeError):
+            Season.WINTER = 'really cold'
+
     def test_invalid_names(self):
         with self.assertRaises(ValueError):
             class Wrong(Enum):