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(arre, arigo) SF bug #1350060

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Give a consistent behavior for comparison and hashing of method objects
(both user- and built-in methods).  Now compares the 'self' recursively.
The hash was already asking for the hash of 'self'.
This commit is contained in:
Armin Rigo 2006-06-08 10:56:24 +00:00
parent 996710fd44
commit fd01d7933b
4 changed files with 81 additions and 11 deletions
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15
Lib/test/test_descr.py
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@ -4014,11 +4014,24 @@ def methodwrapper():
l = []
vereq(l.__add__, l.__add__)
verify(l.__add__ != [].__add__)
vereq(l.__add__, [].__add__)
verify(l.__add__ != [5].__add__)
verify(l.__add__ != l.__mul__)
verify(l.__add__.__name__ == '__add__')
verify(l.__add__.__self__ is l)
verify(l.__add__.__objclass__ is list)
vereq(l.__add__.__doc__, list.__add__.__doc__)
try:
hash(l.__add__)
except TypeError:
pass
else:
raise TestFailed("no TypeError from hash([].__add__)")
t = ()
t += (7,)
vereq(t.__add__, (7,).__add__)
vereq(hash(t.__add__), hash((7,).__add__))
def notimplemented():
# all binary methods should be able to return a NotImplemented