test_bsn.doctest - more detailed doctests for stdnum.bsn module

Copyright (C) 2010 Arthur de Jong

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This file contains more detailed doctests for the stdnum.bsn module. It
tries to test more corner cases and detailed functionality that is not
really useful as module documentation.

>>> from stdnum import bsn


These are normal variations that should just work.

>>> bsn.is_valid('111222333')
True
>>> bsn.is_valid('111252333')
False

These are tests to check what happes when a wrong type is passed.

>>> bsn.is_valid(111222333) # integer, not string
False
>>> bsn.is_valid(None)
False
>>> bsn.is_valid('')
False