Merged revisions 84495-84497 via svnmerge from

svn+ssh://pythondev@svn.python.org/python/branches/py3k

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  r84495 | antoine.pitrou | 2010-09-04 19:40:21 +0200 (sam., 04 sept. 2010) | 4 lines

  Issue #1100562: Fix deep-copying of objects derived from the list and dict types.
  Patch by Michele Orrù and Björn Lindqvist.
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  r84496 | antoine.pitrou | 2010-09-04 19:40:51 +0200 (sam., 04 sept. 2010) | 3 lines

  Fix Björn's name in ACKS.
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  r84497 | antoine.pitrou | 2010-09-04 19:46:44 +0200 (sam., 04 sept. 2010) | 3 lines

  Fix running the copy module from the command-line (however use{ful,less} it may be).
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This commit is contained in:
Antoine Pitrou 2010-09-04 17:49:13 +00:00
parent 5c78edae51
commit ce111caaeb
4 changed files with 49 additions and 13 deletions

View file

@ -532,6 +532,26 @@ class TestCopy(unittest.TestCase):
self.assertEqual(x.foo, y.foo)
self.assertTrue(x.foo is not y.foo)
def test_deepcopy_dict_subclass(self):
class C(dict):
def __init__(self, d=None):
if not d:
d = {}
self._keys = list(d.keys())
super().__init__(d)
def __setitem__(self, key, item):
super().__setitem__(key, item)
if key not in self._keys:
self._keys.append(key)
x = C(d={'foo':0})
y = copy.deepcopy(x)
self.assertEqual(x, y)
self.assertEqual(x._keys, y._keys)
self.assertTrue(x is not y)
x['bar'] = 1
self.assertNotEqual(x, y)
self.assertNotEqual(x._keys, y._keys)
def test_copy_list_subclass(self):
class C(list):
pass