cpython/Lib/test/test_operations.py

# Python test set -- part 3, built-in operations.


print '3. Operations'
print 'XXX Mostly not yet implemented'


print '3.1 Dictionary lookups succeed even if __cmp__() raises an exception'

# SourceForge bug #112558:
# http://sourceforge.net/bugs/?func=detailbug&bug_id=112558&group_id=5470

class BadDictKey:
    def __hash__(self):
        return hash(self.__class__)

    def __cmp__(self, other):
        if isinstance(other, self.__class__):
            print "raising error"
            raise RuntimeError, "gotcha"
        return other

d = {}
x1 = BadDictKey()
x2 = BadDictKey()
d[x1] = 1
d[x2] = 2
print "No exception passed through."