From b357fb7bed55be24eba936f7ef9a13e964da89dc Mon Sep 17 00:00:00 2001
From: Michael Foord <fuzzyman@voidspace.org.uk>
Date: Sat, 20 Nov 2010 15:47:56 +0000
Subject: [PATCH] Issue 10326: further extend test for unpickling to ensure
 type lookup mechanism works after unpickling

---
 Lib/unittest/test/test_case.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Lib/unittest/test/test_case.py b/Lib/unittest/test/test_case.py
index 6aff90f1f1e..18c74e91ce5 100644
--- a/Lib/unittest/test/test_case.py
+++ b/Lib/unittest/test/test_case.py
@@ -1109,3 +1109,7 @@ def testPickle(self):
             pickled_test = pickle.dumps(test, protocol=protocol)
             unpickled_test = pickle.loads(pickled_test)
             self.assertEqual(test, unpickled_test)
+
+            # exercise the TestCase instance in a way that will invoke
+            # the type equality lookup mechanism
+            unpickled_test.assertEqual(set(), set())