1# Copyright David Abrahams 2004. Distributed under the Boost 2# Software License, Version 1.0. (See accompanying 3# file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) 4''' 5>>> from back_reference_ext import * 6>>> y = Y(3) 7>>> z = Z(4) 8>>> x_instances() 92 10>>> y2 = copy_Y(y) 11>>> x_instances() 123 13>>> z2 = copy_Z(z) 14>>> x_instances() 154 16>>> assert y_identity(y) is y 17>>> y_equality(y, y) 181 19 20>>> print(y_identity.__doc__.splitlines()[1]) 21y_identity( (Y)arg1) -> object : 22''' 23 24def run(args = None): 25 import sys 26 import doctest 27 28 if args is not None: 29 sys.argv = args 30 return doctest.testmod(sys.modules.get(__name__)) 31 32if __name__ == '__main__': 33 print("running...") 34 import sys 35 status = run()[0] 36 if (status == 0): print("Done.") 37 sys.exit(status) 38