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| author | Raymond Hettinger <python@rcn.com> | 2009-11-30 19:44:40 (GMT) |
|---|---|---|
| committer | Raymond Hettinger <python@rcn.com> | 2009-11-30 19:44:40 (GMT) |
| commit | e09f45a2e35e741e627f0ef49e94b84a28a4e72a (patch) | |
| tree | 224550aea5ac0aeacda9af044d2b04f1c08bdcb2 /Lib/test | |
| parent | d46430bd8147da24d1e17b5f13064e70acb8ee01 (diff) | |
| download | cpython-e09f45a2e35e741e627f0ef49e94b84a28a4e72a.zip cpython-e09f45a2e35e741e627f0ef49e94b84a28a4e72a.tar.gz cpython-e09f45a2e35e741e627f0ef49e94b84a28a4e72a.tar.bz2 | |
Issue 7410: deepcopy of itertools.count resets the count
Diffstat (limited to 'Lib/test')
| -rw-r--r-- | Lib/test/test_itertools.py | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/Lib/test/test_itertools.py b/Lib/test/test_itertools.py index f8bdb8b..03f1d85 100644 --- a/Lib/test/test_itertools.py +++ b/Lib/test/test_itertools.py @@ -7,6 +7,8 @@ from fractions import Fraction import sys import operator import random +import copy +import pickle maxsize = test_support.MAX_Py_ssize_t minsize = -maxsize-1 @@ -346,6 +348,13 @@ class TestBasicOps(unittest.TestCase): r2 = 'count(%r)'.__mod__(i).replace('L', '') self.assertEqual(r1, r2) + # check copy, deepcopy, pickle + for value in -3, 3, sys.maxint-5, sys.maxint+5: + c = count(value) + self.assertEqual(next(copy.copy(c)), value) + self.assertEqual(next(copy.deepcopy(c)), value) + self.assertEqual(next(pickle.loads(pickle.dumps(c))), value) + def test_count_with_stride(self): self.assertEqual(zip('abc',count(2,3)), [('a', 2), ('b', 5), ('c', 8)]) self.assertEqual(zip('abc',count(start=2,step=3)), |