ceph/src/boost/libs/python/test/slice.py

   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 slice_ext import *
   6 >>> accept_slice(slice(1, None, (1,2)))
   7 1
   8 >>> try:
   9 ...     accept_slice(list((1,2)))
  10 ...     print("test failed")
  11 ... except:
  12 ...     print("test passed")
  13 ...
  14 test passed
  15 >>> try:
  16 ...     from Numeric import array
  17 ... except:
  18 ...     print(1)
  19 ... else:
  20 ...     check_numeric_array_rich_slice('Numeric', 'ArrayType', lambda x:x)
  21 ...
  22 1
  23 >>> try:
  24 ...     from numarray import array, all
  25 ... except:
  26 ...     print(1)
  27 ... else:
  28 ...     check_numeric_array_rich_slice('numarray', 'NDArray', all)
  29 ...
  30 1
  31 >>> import sys
  32 >>> if sys.version_info[0] == 2 and sys.version_info[1] >= 3:
  33 ...     check_string_rich_slice()
  34 ... elif sys.version_info[0] > 2:
  35 ...     check_string_rich_slice()
  36 ... else:
  37 ...     print(1)
  38 ...
  39 1
  40 >>> check_slice_get_indices( slice(None))
  41 0
  42 >>> check_slice_get_indices( slice(2,-2))
  43 0
  44 >>> check_slice_get_indices( slice(2, None, 2))
  45 5
  46 >>> check_slice_get_indices( slice(2, None, -1))
  47 -12
  48 >>> check_slice_get_indices( slice( 20, None))
  49 0
  50 >>> check_slice_get_indices( slice( -2, -5, -2))
  51 6
  52 """
  53
  54 # Performs an affirmative and negative argument resolution check,
  55 # checks the operation of extended slicing in Numeric arrays
  56 #   (only performed if Numeric.array or numarray.array can be found).
  57 # checks the operation of extended slicing in new strings (Python 2.3 only).
  58
  59 def run(args = None):
  60     import sys
  61     import doctest
  62
  63     if args is not None:
  64         sys.argv = args
  65     return doctest.testmod(sys.modules.get(__name__))
  66
  67 if __name__ == '__main__':
  68     print("running...")
  69     import sys
  70     status = run()[0]
  71     if (status == 0): print("Done.")
  72     sys.exit(status)