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bpo-33209: End framing at the end of C implementation of pickle.Pickler.dump(). (GH-6363)

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Serhiy Storchaka 2018-04-04 00:11:27 +03:00 • committed by Łukasz Langa
parent 629338f140
commit c869529ea9
3 changed files with 22 additions and 19 deletions
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35
Lib/test/pickletester.py
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@ -2781,29 +2781,30 @@ class AbstractPicklerUnpicklerObjectTests(unittest.TestCase):
# object again, the third serialized form should be identical to the
# first one we obtained.
data = ["abcdefg", "abcdefg", 44]
f = io.BytesIO()
pickler = self.pickler_class(f)
for proto in protocols:
f = io.BytesIO()
pickler = self.pickler_class(f, proto)
pickler.dump(data)
first_pickled = f.getvalue()
pickler.dump(data)
first_pickled = f.getvalue()
# Reset BytesIO object.
f.seek(0)
f.truncate()
# Reset BytesIO object.
f.seek(0)
f.truncate()
pickler.dump(data)
second_pickled = f.getvalue()
pickler.dump(data)
second_pickled = f.getvalue()
# Reset the Pickler and BytesIO objects.
pickler.clear_memo()
f.seek(0)
f.truncate()
# Reset the Pickler and BytesIO objects.
pickler.clear_memo()
f.seek(0)
f.truncate()
pickler.dump(data)
third_pickled = f.getvalue()
pickler.dump(data)
third_pickled = f.getvalue()
self.assertNotEqual(first_pickled, second_pickled)
self.assertEqual(first_pickled, third_pickled)
self.assertNotEqual(first_pickled, second_pickled)
self.assertEqual(first_pickled, third_pickled)
def test_priming_pickler_memo(self):
# Verify that we can set the Pickler's memo attribute.