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Issue #22777: Test pickling with all protocols.

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This commit is contained in:
Serhiy Storchaka 2014-12-15 14:06:02 +02:00
commit 65ee4674e2
31 changed files with 704 additions and 623 deletions
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46
Lib/test/test_set.py
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@ -231,29 +231,30 @@ class TestJointOps:
self.assertEqual(self.s, dup, "%s != %s" % (self.s, dup))
if type(self.s) not in (set, frozenset):
self.s.x = 10
p = pickle.dumps(self.s)
p = pickle.dumps(self.s, i)
dup = pickle.loads(p)
self.assertEqual(self.s.x, dup.x)
def test_iterator_pickling(self):
itorg = iter(self.s)
data = self.thetype(self.s)
d = pickle.dumps(itorg)
it = pickle.loads(d)
# Set iterators unpickle as list iterators due to the
# undefined order of set items.
# self.assertEqual(type(itorg), type(it))
self.assertTrue(isinstance(it, collections.abc.Iterator))
self.assertEqual(self.thetype(it), data)
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
itorg = iter(self.s)
data = self.thetype(self.s)
d = pickle.dumps(itorg, proto)
it = pickle.loads(d)
# Set iterators unpickle as list iterators due to the
# undefined order of set items.
# self.assertEqual(type(itorg), type(it))
self.assertIsInstance(it, collections.abc.Iterator)
self.assertEqual(self.thetype(it), data)
it = pickle.loads(d)
try:
drop = next(it)
except StopIteration:
return
d = pickle.dumps(it)
it = pickle.loads(d)
self.assertEqual(self.thetype(it), data - self.thetype((drop,)))
it = pickle.loads(d)
try:
drop = next(it)
except StopIteration:
continue
d = pickle.dumps(it, proto)
it = pickle.loads(d)
self.assertEqual(self.thetype(it), data - self.thetype((drop,)))
def test_deepcopy(self):
class Tracer:
@ -851,10 +852,11 @@ class TestBasicOps:
self.assertEqual(setiter.__length_hint__(), len(self.set))
def test_pickling(self):
p = pickle.dumps(self.set)
copy = pickle.loads(p)
self.assertEqual(self.set, copy,
"%s != %s" % (self.set, copy))
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
p = pickle.dumps(self.set, proto)
copy = pickle.loads(p)
self.assertEqual(self.set, copy,
"%s != %s" % (self.set, copy))
#------------------------------------------------------------------------------