Class BadIndex

Lib/test/test_struct.py:294–299

                # If the '__index__' method raises a type error, then
                # '__int__' should be used with a deprecation warning.
                class BadIndex(object):
                    def __index__(self):
                        raise TypeError

                    def __int__(self):
                        return 42

                self.assertRaises((TypeError, struct.error),
                                  struct.pack, self.format,