commit 2ec67526a6ed3312f4fac22b527ca0ff161531b8
author Zackery Spytz <zspytz@gmail.com> Sun Sep 13 14:27:51 2020 -0600
committer GitHub <noreply@github.com> Sun Sep 13 13:27:51 2020 -0700
tree 80330b2c06b33ea9bd6a070a49053dee09a2ef51
parent b48389d95093c3f912549add8da339edc164bf0d

bpo-38967: Improve the error msg for reserved _sunder_ names in enum (GH-18370)

Lib/test/test_enum.py

diff --git a/Lib/test/test_enum.py b/Lib/test/test_enum.py
index e7bad62..b18f3b3 100644
--- a/Lib/test/test_enum.py
+++ b/Lib/test/test_enum.py
@@ -419,6 +419,11 @@
                 green = 2
                 blue = 3
 
+    def test_reserved__sunder_(self):
+        with self.assertRaisesRegex(ValueError, '_sunder_ names, such as '
+                                    '"_bad_", are reserved'):
+            class Bad(Enum):
+                _bad_ = 1
 
     def test_enum_with_value_name(self):
         class Huh(Enum):