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Issue 5794: fix cPickle's unpickling of recursive tuples.

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This commit is contained in:
Collin Winter 2009-05-26 04:12:39 +00:00
parent 944f684ce6
commit 57bef68bc0
3 changed files with 24 additions and 10 deletions
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10
Lib/test/pickletester.py
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@ -463,6 +463,16 @@ class AbstractPickleTests(unittest.TestCase):
self.assertEqual(len(x), 1)
self.assert_(x is x[0])
def test_recursive_tuple(self):
t = ([],)
t[0].append(t)
for proto in protocols:
s = self.dumps(t, proto)
x = self.loads(s)
self.assertEqual(len(x), 1)
self.assertEqual(len(x[0]), 1)
self.assert_(x is x[0][0])
def test_recursive_dict(self):
d = {}
d[1] = d

5
Lib/test/test_cpickle.py
View file

@ -65,6 +65,11 @@ class cPickleFastPicklerTests(AbstractPickleTests):
AbstractPickleTests.test_recursive_list,
self)
def test_recursive_tuple(self):
self.assertRaises(ValueError,
AbstractPickleTests.test_recursive_tuple,
self)
def test_recursive_inst(self):
self.assertRaises(ValueError,
AbstractPickleTests.test_recursive_inst,