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Issue #22995: Default implementation of __reduce__ and __reduce_ex__ now

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rejects builtin types with not defined __new__.
Added tests for non-pickleable types.
This commit is contained in:
Serhiy Storchaka 2015-11-12 11:31:51 +02:00
commit 609a2e17ad
7 changed files with 99 additions and 0 deletions
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17
Lib/test/test_generators.py
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@ -1,4 +1,6 @@
import copy
import gc
import pickle
import sys
import unittest
import warnings
@ -111,6 +113,21 @@ class GeneratorTest(unittest.TestCase):
self.assertEqual(gen.__qualname__,
"GeneratorTest.test_name.<locals>.<genexpr>")
def test_copy(self):
def f():
yield 1
g = f()
with self.assertRaises(TypeError):
copy.copy(g)
def test_pickle(self):
def f():
yield 1
g = f()
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
with self.assertRaises((TypeError, pickle.PicklingError)):
pickle.dumps(g, proto)
class ExceptionTest(unittest.TestCase):
# Tests for the issue #23353: check that the currently handled exception