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# Copyright David Abrahams 2004. Distributed under the Boost
# Software License, Version 1.0. (See accompanying
# file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
'''
>>> from enum_ext import *
>>> identity(color.red) # in case of duplicated enums it always take the last enum
enum_ext.color.blood
>>> identity(color.green)
enum_ext.color.green
>>> identity(color.blue)
enum_ext.color.blue
>>> identity(color(1)) # in case of duplicated enums it always take the last enum
enum_ext.color.blood
>>> identity(color(2))
enum_ext.color.green
>>> identity(color(3))
enum_ext.color(3)
>>> identity(color(4))
enum_ext.color.blue
--- check export to scope ---
>>> identity(red)
enum_ext.color.blood
>>> identity(green)
enum_ext.color.green
>>> identity(blue)
enum_ext.color.blue
>>> try: identity(1)
... except TypeError: pass
... else: print('expected a TypeError')
>>> c = colorized()
>>> c.x
enum_ext.color.blood
>>> c.x = green
>>> c.x
enum_ext.color.green
>>> red == blood
True
>>> red == green
False
>>> hash(red) == hash(blood)
True
>>> hash(red) == hash(green)
False
'''
# pickling of enums only works with Python 2.3 or higher
exercise_pickling = '''
>>> import pickle
>>> p = pickle.dumps(color.green, pickle.HIGHEST_PROTOCOL)
>>> l = pickle.loads(p)
>>> identity(l)
enum_ext.color.green
'''
def run(args = None):
import sys
import doctest
import pickle
if args is not None:
sys.argv = args
self = sys.modules.get(__name__)
if (hasattr(pickle, "HIGHEST_PROTOCOL")):
self.__doc__ += exercise_pickling
return doctest.testmod(self)
if __name__ == '__main__':
print("running...")
import sys
status = run()[0]
if (status == 0): print("Done.")
sys.exit(status)
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