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3rdparty/boost_1_81_0/libs/python/test/slice.py 1.32 KB
73ef4ff3   Hu Chunming   提交三方库
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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 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)