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Patch #403985: Add support for weak-keyed dictionaries

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This commit is contained in:
Martin v. Löwis 2001-02-27 18:36:56 +00:00
parent bb40dc4892
commit 5e1633365d
5 changed files with 158 additions and 21 deletions
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18
Lib/test/test_weakref.py
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@ -152,6 +152,24 @@ for o in objects:
dict.clear()
print "weak dict test complete"
print
print "Weak Keyed Dictionaries"
dict = weakref.mapping(weakkeys=1)
objects = map(Object, range(10))
for o in objects:
dict[o] = o.arg
print "objects are stored in weak dict"
for o in objects:
verify(weakref.getweakrefcount(o) == 1,
"wrong number of weak references to %r!" % o)
verify(o.arg is dict[o],
"wrong object returned by weak dict!")
del objects,o
verify(len(dict)==0, "deleting the keys did not clear the dictionary")
print "weak key dict test complete"
print
print "Non-callable Proxy References"
print "XXX -- tests not written!"