ceph/src/boost/libs/python/test/list.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 from __future__ import print_function
   5 '''
   6 >>> from list_ext import *
   7
   8 >>> new_list()
   9 []
  10
  11 >>> listify((1,2,3))
  12 [1, 2, 3]
  13
  14 >>> letters = listify_string('hello')
  15 >>> letters
  16 ['h', 'e', 'l', 'l', 'o']
  17
  18 >>> X(22)
  19 X(22)
  20
  21 >>> def identity(x):
  22 ...     return x
  23 >>> assert apply_object_list(identity, letters) is letters
  24
  25   5 is not convertible to a list
  26
  27 >>> try: result = apply_object_list(identity, 5)
  28 ... except TypeError: pass
  29 ... else: print('expected an exception, got', result, 'instead')
  30
  31 >>> assert apply_list_list(identity, letters) is letters
  32
  33   5 is not convertible to a list as a return value
  34
  35 >>> try: result = apply_list_list(len, letters)
  36 ... except TypeError: pass
  37 ... else: print('expected an exception, got', result, 'instead')
  38
  39 >>> append_object(letters, '.')
  40 >>> letters
  41 ['h', 'e', 'l', 'l', 'o', '.']
  42
  43   tuples do not automatically convert to lists when passed as arguments
  44
  45 >>> try: append_list(letters, (1,2))
  46 ... except TypeError: pass
  47 ... else: print('expected an exception')
  48
  49 >>> append_list(letters, [1,2])
  50 >>> letters
  51 ['h', 'e', 'l', 'l', 'o', '.', [1, 2]]
  52
  53     Check that subclass functions are properly called
  54
  55 >>> class mylist(list):
  56 ...     def append(self, o):
  57 ...         list.append(self, o)
  58 ...         if not hasattr(self, 'nappends'):
  59 ...             self.nappends = 1
  60 ...         else:
  61 ...             self.nappends += 1
  62 ...
  63 >>> l2 = mylist()
  64 >>> append_object(l2, 'hello')
  65 >>> append_object(l2, 'world')
  66 >>> l2
  67 ['hello', 'world']
  68 >>> l2.nappends
  69 2
  70
  71 >>> def printer(*args):
  72 ...     for x in args: print( x,)
  73 ...     print('')
  74 ...
  75
  76 >>> y = X(42)
  77 >>> exercise(letters, y, printer) #doctest: +NORMALIZE_WHITESPACE
  78 after append:
  79 ['h', 'e', 'l', 'l', 'o', '.', [1, 2], X(42), 5, X(3)]
  80 number of X(42) instances: 1
  81 number of 5s: 1
  82 after extend:
  83 ['h', 'e', 'l', 'l', 'o', '.', [1, 2], X(42), 5, X(3), 'x', 'y', 'z']
  84 index of X(42) is: 7
  85 index of 'l' is: 2
  86 after inserting 666:
  87 ['h', 'e', 'l', 'l', 666, 'o', '.', [1, 2], X(42), 5, X(3), 'x', 'y', 'z']
  88 inserting with object as index:
  89 ['h', 'e', 'l', 'l', 666, '---', 'o', '.', [1, 2], X(42), 5, X(3), 'x', 'y', 'z']
  90 popping...
  91 ['h', 'e', 'l', 'l', 666, '---', 'o', '.', [1, 2], X(42), 5, X(3), 'x', 'y']
  92 ['h', 'e', 'l', 'l', 666, 'o', '.', [1, 2], X(42), 5, X(3), 'x', 'y']
  93 ['h', 'e', 'l', 'l', 666, 'o', '.', [1, 2], X(42), X(3), 'x', 'y']
  94 removing X(42)
  95 ['h', 'e', 'l', 'l', 666, 'o', '.', [1, 2], X(3), 'x', 'y']
  96 removing 666
  97 ['h', 'e', 'l', 'l', 'o', '.', [1, 2], X(3), 'x', 'y']
  98 reversing...
  99 ['y', 'x', X(3), [1, 2], '.', 'o', 'l', 'l', 'e', 'h']
 100 sorted:
 101 ['.', 'e', 'h', 'l', 'l', 'o', 'x', 'y']
 102 reverse sorted:
 103 ['y', 'x', 'o', 'l', 'l', 'h', 'e', '.']
 104 '''
 105
 106 def run(args = None):
 107     import sys
 108     import doctest
 109
 110     if args is not None:
 111         sys.argv = args
 112     return doctest.testmod(sys.modules.get(__name__))
 113
 114 if __name__ == '__main__':
 115     print("running...")
 116     import sys
 117     status = run()[0]
 118     if (status == 0): print("Done.")
 119     sys.exit(status)