commit c4c9866064f03646c686d7e08b00aeb203c35c19
author Shane Harvey <shane.harvey@mongodb.com> Fri Aug 04 01:45:00 2017 -0700
committer Serhiy Storchaka <storchaka@gmail.com> Fri Aug 04 11:45:00 2017 +0300
tree 9af64a872544117d7a3f41469b3018555c18e213
parent 778928b0c7aa438c282727535814d73df850693a

bpo-31107: Fix copyreg mangled slot names calculation. (#2989)

Lib/test/test_copyreg.py

diff --git a/Lib/test/test_copyreg.py b/Lib/test/test_copyreg.py
index 52e887c..e3f1cd8 100644
--- a/Lib/test/test_copyreg.py
+++ b/Lib/test/test_copyreg.py
@@ -16,6 +16,12 @@
 class WithPrivate(object):
     __slots__ = ('__spam',)
 
+class _WithLeadingUnderscoreAndPrivate(object):
+    __slots__ = ('__spam',)
+
+class ___(object):
+    __slots__ = ('__spam',)
+
 class WithSingleString(object):
     __slots__ = 'spam'
 
@@ -104,6 +110,10 @@
         self.assertEqual(copyreg._slotnames(WithWeakref), [])
         expected = ['_WithPrivate__spam']
         self.assertEqual(copyreg._slotnames(WithPrivate), expected)
+        expected = ['_WithLeadingUnderscoreAndPrivate__spam']
+        self.assertEqual(copyreg._slotnames(_WithLeadingUnderscoreAndPrivate),
+                         expected)
+        self.assertEqual(copyreg._slotnames(___), ['__spam'])
         self.assertEqual(copyreg._slotnames(WithSingleString), ['spam'])
         expected = ['eggs', 'spam']
         expected.sort()