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Test for the safety check in wrap_cmpfunc().

This commit is contained in:
Guido van Rossum 2001-09-18 20:04:26 +00:00
parent ceccae5365
commit 843daa8cad
1 changed files with 15 additions and 0 deletions
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15
Lib/test/test_descr.py
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@ -1304,6 +1304,21 @@ def specials():
for i in range(10): for i in range(10):
verify(i in p10) verify(i in p10)
verify(10 not in p10) verify(10 not in p10)
# Safety test for __cmp__
def unsafecmp(a, b):
try:
a.__class__.__cmp__(a, b)
except TypeError:
pass
else:
raise TestFailed, "shouldn't allow %s.__cmp__(%r, %r)" % (
a.__class__, a, b)
unsafecmp(u"123", "123")
unsafecmp("123", u"123")
unsafecmp(1, 1.0)
unsafecmp(1.0, 1)
unsafecmp(1, 1L)
unsafecmp(1L, 1)
def weakrefs(): def weakrefs():
if verbose: print "Testing weak references..." if verbose: print "Testing weak references..."