ceph/src/boost/libs/python/test/properties.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 This is test module for properties.
   6
   7 >>> r = properties.ret_type()
   8 >>> r.i = 22.5
   9 >>> r.i
  10 22.5
  11 >>> c = properties.crash_me()
  12 >>> c.i.i
  13 42.5
  14
  15 >>> X = properties.X
  16
  17 >>> x1 = X(1)
  18
  19 value read only
  20 >>> x1.value_r
  21 1
  22
  23 value read - write
  24 >>> x1.value_rw
  25 1
  26
  27 value direct access
  28 >>> x1.value_direct
  29 1
  30
  31 class instance count read - only
  32 >>> X.instance_count
  33 1
  34
  35 class instance count direct
  36 >>> X.instance_count_direct
  37 1
  38
  39 class instance count injected
  40 >>> X.instance_count_injected
  41 1
  42
  43 class instance count from object
  44 >>> x1.instance_count
  45 1
  46
  47 class instance count from object
  48 >>> x1.instance_count_direct
  49 1
  50
  51 class instance count from object:
  52 >>> x1.instance_count_injected
  53 1
  54
  55 as expected you can't assign new value to read only property
  56 >>> x1.value_r = 2
  57 Traceback (most recent call last):
  58   File "properties.py", line 49, in ?
  59     x1.value_r = 2
  60 AttributeError: can't set attribute
  61
  62 setting value_rw to 2. value_direct:
  63 >>> x1.value_rw = 2
  64 >>> x1.value_rw
  65 2
  66
  67 setting value_direct to 3. value_direct:
  68 >>> x1.value_direct = 3
  69 >>> x1.value_direct
  70 3
  71
  72 >>> assert x1.value_r == 3
  73
  74 >>> x2 = X(2)
  75
  76 after creating second intstance of X instances count is 2
  77 >>> x2.instance_count
  78 2
  79
  80 >>> del x2
  81 >>> assert x1.instance_count == 1
  82
  83 >>> assert properties.X.value_r_ds.__doc__ == "value_r_ds is read-only"
  84
  85 >>> assert properties.X.value_rw_ds.__doc__ == "value_rw_ds is read-write"
  86
  87 """
  88
  89 #import sys; sys.path.append(r'P:\Actimize4.0\smart_const\py_smart_const___Win32_Debug')
  90 import properties_ext as properties
  91
  92
  93 def run(args = None):
  94     import sys
  95     import doctest
  96
  97     if args is not None:
  98         sys.argv = args
  99     return doctest.testmod(sys.modules.get(__name__))
 100
 101 if __name__ == '__main__':
 102     print("running...")
 103     import sys
 104     status = run()[0]
 105     if (status == 0): print("Done.")
 106     sys.exit(status)