'''
>>> from injected_ext import *
>>> X(3,5).value() - (3+5)
0
>>> X(3,5,7).value() - (3*5*7)
0
>>> X().value()
1000
'''

def run(args = None):
    import sys
    import doctest

    if args is not None:
        sys.argv = args
    return doctest.testmod(sys.modules.get(__name__))
    
if __name__ == '__main__':
    print "running..."
    import sys
    status = run()[0]
    if (status == 0): print "Done."
    sys.exit(status)

