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Issue 2582: Fix pickling of range objects.

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This commit is contained in:
Alexandre Vassalotti 2008-06-10 04:03:04 +00:00
parent 1c9a2d96ec
commit 7505607ae7
2 changed files with 19 additions and 0 deletions
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10
Lib/test/test_range.py
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@ -2,6 +2,7 @@
import test.support, unittest
import sys
import pickle
import warnings
warnings.filterwarnings("ignore", "integer argument expected",
@ -61,6 +62,15 @@ class RangeTest(unittest.TestCase):
self.assertEqual(repr(range(1, 2)), 'range(1, 2)')
self.assertEqual(repr(range(1, 2, 3)), 'range(1, 2, 3)')
def test_pickling(self):
testcases = [(13,), (0, 11), (-22, 10), (20, 3, -1),
(13, 21, 3), (-2, 2, 2)]
for proto in range(pickle.HIGHEST_PROTOCOL):
for t in testcases:
r = range(*t)
self.assertEquals(list(pickle.loads(pickle.dumps(r, proto))),
list(r))
def test_main():
test.support.run_unittest(RangeTest)