diff -r 000000000000 -r ae805ac0140d python-2.5.2/win32/Lib/test/test_cpickle.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/python-2.5.2/win32/Lib/test/test_cpickle.py	Fri Apr 03 17:19:34 2009 +0100
@@ -0,0 +1,103 @@
+import cPickle
+import unittest
+from cStringIO import StringIO
+from test.pickletester import AbstractPickleTests, AbstractPickleModuleTests
+from test import test_support
+
+class cPickleTests(AbstractPickleTests, AbstractPickleModuleTests):
+
+    def setUp(self):
+        self.dumps = cPickle.dumps
+        self.loads = cPickle.loads
+
+    error = cPickle.BadPickleGet
+    module = cPickle
+
+class cPicklePicklerTests(AbstractPickleTests):
+
+    def dumps(self, arg, proto=0):
+        f = StringIO()
+        p = cPickle.Pickler(f, proto)
+        p.dump(arg)
+        f.seek(0)
+        return f.read()
+
+    def loads(self, buf):
+        f = StringIO(buf)
+        p = cPickle.Unpickler(f)
+        return p.load()
+
+    error = cPickle.BadPickleGet
+
+class cPickleListPicklerTests(AbstractPickleTests):
+
+    def dumps(self, arg, proto=0):
+        p = cPickle.Pickler(proto)
+        p.dump(arg)
+        return p.getvalue()
+
+    def loads(self, *args):
+        f = StringIO(args[0])
+        p = cPickle.Unpickler(f)
+        return p.load()
+
+    error = cPickle.BadPickleGet
+
+class cPickleFastPicklerTests(AbstractPickleTests):
+
+    def dumps(self, arg, proto=0):
+        f = StringIO()
+        p = cPickle.Pickler(f, proto)
+        p.fast = 1
+        p.dump(arg)
+        f.seek(0)
+        return f.read()
+
+    def loads(self, *args):
+        f = StringIO(args[0])
+        p = cPickle.Unpickler(f)
+        return p.load()
+
+    error = cPickle.BadPickleGet
+
+    def test_recursive_list(self):
+        self.assertRaises(ValueError,
+                          AbstractPickleTests.test_recursive_list,
+                          self)
+
+    def test_recursive_inst(self):
+        self.assertRaises(ValueError,
+                          AbstractPickleTests.test_recursive_inst,
+                          self)
+
+    def test_recursive_dict(self):
+        self.assertRaises(ValueError,
+                          AbstractPickleTests.test_recursive_dict,
+                          self)
+
+    def test_recursive_multi(self):
+        self.assertRaises(ValueError,
+                          AbstractPickleTests.test_recursive_multi,
+                          self)
+
+    def test_nonrecursive_deep(self):
+        # If it's not cyclic, it should pickle OK even if the nesting
+        # depth exceeds PY_CPICKLE_FAST_LIMIT.  That happens to be
+        # 50 today.  Jack Jansen reported stack overflow on Mac OS 9
+        # at 64.
+        a = []
+        for i in range(60):
+            a = [a]
+        b = self.loads(self.dumps(a))
+        self.assertEqual(a, b)
+
+def test_main():
+    test_support.run_unittest(
+        cPickleTests,
+        cPicklePicklerTests,
+        cPickleListPicklerTests,
+        cPickleFastPicklerTests
+    )
+
+if __name__ == "__main__":
+    test_main()