ceph/src/boost/libs/python/test/object.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 object_ext import *
   7
   8 >>> type(ref_to_noncopyable())
   9 <class 'object_ext.NotCopyable'>
  10
  11 >>> def print1(x):
  12 ...     print(x)
  13 >>> call_object_3(print1)
  14 3
  15 >>> message()
  16 'hello, world!'
  17 >>> number()
  18 42
  19
  20 >>> test('hi')
  21 1
  22 >>> test(None)
  23 0
  24 >>> test_not('hi')
  25 0
  26 >>> test_not(0)
  27 1
  28
  29         Attributes
  30
  31 >>> class X: pass
  32 ...
  33 >>> x = X()
  34
  35 >>> try: obj_getattr(x, 'foo')
  36 ... except AttributeError: pass
  37 ... else: print('expected an exception')
  38 >>> try: obj_objgetattr(x, 'objfoo')
  39 ... except AttributeError: pass
  40 ... else: print('expected an exception')
  41
  42 >>> obj_setattr(x, 'foo', 1)
  43 >>> x.foo
  44 1
  45 >>> obj_objsetattr(x, 'objfoo', 1)
  46 >>> try:obj_objsetattr(x, 1)
  47 ... except TypeError: pass
  48 ... else: print('expected an exception')
  49 >>> x.objfoo
  50 1
  51 >>> obj_getattr(x, 'foo')
  52 1
  53 >>> obj_objgetattr(x, 'objfoo')
  54 1
  55 >>> try:obj_objgetattr(x, 1)
  56 ... except TypeError: pass
  57 ... else: print('expected an exception')
  58 >>> obj_const_getattr(x, 'foo')
  59 1
  60 >>> obj_const_objgetattr(x, 'objfoo')
  61 1
  62 >>> obj_setattr42(x, 'foo')
  63 >>> x.foo
  64 42
  65 >>> obj_objsetattr42(x, 'objfoo')
  66 >>> x.objfoo
  67 42
  68 >>> obj_moveattr(x, 'foo', 'bar')
  69 >>> x.bar
  70 42
  71 >>> obj_objmoveattr(x, 'objfoo', 'objbar')
  72 >>> x.objbar
  73 42
  74 >>> test_attr(x, 'foo')
  75 1
  76 >>> test_objattr(x, 'objfoo')
  77 1
  78 >>> test_not_attr(x, 'foo')
  79 0
  80 >>> test_not_objattr(x, 'objfoo')
  81 0
  82 >>> x.foo = None
  83 >>> test_attr(x, 'foo')
  84 0
  85 >>> x.objfoo = None
  86 >>> test_objattr(x, 'objfoo')
  87 0
  88 >>> test_not_attr(x, 'foo')
  89 1
  90 >>> test_not_objattr(x, 'objfoo')
  91 1
  92 >>> obj_delattr(x, 'foo')
  93 >>> obj_objdelattr(x, 'objfoo')
  94 >>> try:obj_delattr(x, 'foo')
  95 ... except AttributeError: pass
  96 ... else: print('expected an exception')
  97 >>> try:obj_objdelattr(x, 'objfoo')
  98 ... except AttributeError: pass
  99 ... else: print('expected an exception')
 100
 101         Items
 102
 103 >>> d = {}
 104 >>> obj_setitem(d, 'foo', 1)
 105 >>> d['foo']
 106 1
 107 >>> obj_getitem(d, 'foo')
 108 1
 109 >>> obj_const_getitem(d, 'foo')
 110 1
 111 >>> obj_setitem42(d, 'foo')
 112 >>> obj_getitem(d, 'foo')
 113 42
 114 >>> d['foo']
 115 42
 116 >>> obj_moveitem(d, 'foo', 'bar')
 117 >>> d['bar']
 118 42
 119 >>> obj_moveitem2(d, 'bar', d, 'baz')
 120 >>> d['baz']
 121 42
 122 >>> test_item(d, 'foo')
 123 1
 124 >>> test_not_item(d, 'foo')
 125 0
 126 >>> d['foo'] = None
 127 >>> test_item(d, 'foo')
 128 0
 129 >>> test_not_item(d, 'foo')
 130 1
 131
 132         Slices
 133
 134 >>> assert check_string_slice()
 135
 136         Operators
 137
 138 >>> def print_args(*args, **kwds):
 139 ...     print(args, kwds)
 140 >>> test_call(print_args, (0, 1, 2, 3), {'a':'A'})
 141 (0, 1, 2, 3) {'a': 'A'}
 142
 143
 144 >>> assert check_binary_operators()
 145
 146 >>> class X: pass
 147 ...
 148 >>> assert check_inplace(list(range(3)), X())
 149
 150
 151        Now make sure that object is actually managing reference counts
 152
 153 >>> import weakref
 154 >>> class Z: pass
 155 ...
 156 >>> z = Z()
 157 >>> def death(r): print('death')
 158 ...
 159 >>> r = weakref.ref(z, death)
 160 >>> z.foo = 1
 161 >>> obj_getattr(z, 'foo')
 162 1
 163 >>> del z
 164 death
 165 '''
 166
 167 def run(args = None):
 168     import sys
 169     import doctest
 170
 171     if args is not None:
 172         sys.argv = args
 173     return doctest.testmod(sys.modules.get(__name__))
 174
 175 if __name__ == '__main__':
 176     print("running...")
 177     import sys
 178     status = run()[0]
 179     if (status == 0): print("Done.")
 180     sys.exit(status)