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3rdparty/boost_1_81_0/libs/python/test/properties.py 1.94 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)
  """
  This is test module for properties.
  
  >>> r = properties.ret_type()
  >>> r.i = 22.5
  >>> r.i
  22.5
  >>> c = properties.crash_me()
  >>> c.i.i
  42.5
  
  >>> X = properties.X
  
  >>> x1 = X(1)
  
  value read only
  >>> x1.value_r
  1
  
  value read - write
  >>> x1.value_rw
  1
  
  value direct access
  >>> x1.value_direct
  1
  
  class instance count read - only
  >>> X.instance_count
  1
  
  class instance count direct
  >>> X.instance_count_direct
  1
  
  class instance count injected
  >>> X.instance_count_injected
  1
  
  class instance count from object
  >>> x1.instance_count
  1
  
  class instance count from object
  >>> x1.instance_count_direct
  1
  
  class instance count from object: 
  >>> x1.instance_count_injected
  1
  
  as expected you can't assign new value to read only property
  >>> x1.value_r = 2
  Traceback (most recent call last):
    File "properties.py", line 49, in ?
      x1.value_r = 2
  AttributeError: can't set attribute
  
  setting value_rw to 2. value_direct: 
  >>> x1.value_rw = 2
  >>> x1.value_rw
  2
  
  setting value_direct to 3. value_direct: 
  >>> x1.value_direct = 3
  >>> x1.value_direct
  3
  
  >>> assert x1.value_r == 3
  
  >>> x2 = X(2)
  
  after creating second intstance of X instances count is 2
  >>> x2.instance_count
  2
  
  >>> del x2
  >>> assert x1.instance_count == 1
  
  >>> assert properties.X.value_r_ds.__doc__ == "value_r_ds is read-only"
  
  >>> assert properties.X.value_rw_ds.__doc__ == "value_rw_ds is read-write"
  
  """
  
  #import sys; sys.path.append(r'P:\Actimize4.0\smart_const\py_smart_const___Win32_Debug')
  import properties_ext as properties
  
  
  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)