python/test/slice.py
2017-07-20 11:39:58 -04:00

55 lines
1.3 KiB
Python

# 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 slice_ext import *
>>> accept_slice(slice(1, None, (1,2)))
1
>>> try:
... accept_slice(list((1,2)))
... print("test failed")
... except:
... print("test passed")
...
test passed
>>> import sys
>>> if sys.version_info[0] == 2 and sys.version_info[1] >= 3:
... check_string_rich_slice()
... elif sys.version_info[0] > 2:
... check_string_rich_slice()
... else:
... print(1)
...
1
>>> check_slice_get_indices( slice(None))
0
>>> check_slice_get_indices( slice(2,-2))
0
>>> check_slice_get_indices( slice(2, None, 2))
5
>>> check_slice_get_indices( slice(2, None, -1))
-12
>>> check_slice_get_indices( slice( 20, None))
0
>>> check_slice_get_indices( slice( -2, -5, -2))
6
"""
# Performs an affirmative and negative argument resolution check.
# checks the operation of extended slicing in new strings (Python 2.3 only).
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)