[Python-checkins] python/dist/src/Lib/test test_descr.py,1.113.4.23,1.113.4.24

2002年8月01日 12:04:14 -0700

Update of /cvsroot/python/python/dist/src/Lib/test
In directory usw-pr-cvs1:/tmp/cvs-serv9014/Lib/test
Modified Files:
 Tag: release22-maint
	test_descr.py 
Log Message:
Backport:
SF patch 588728 (Nathan Srebro).
The __delete__ method wrapper for descriptors was not supported
(I added a test, too.)
Index: test_descr.py
===================================================================
RCS file: /cvsroot/python/python/dist/src/Lib/test/test_descr.py,v
retrieving revision 1.113.4.23
retrieving revision 1.113.4.24
diff -C2 -d -r1.113.4.23 -r1.113.4.24
*** test_descr.py	11 Jul 2002 18:40:12 -0000	1.113.4.23
--- test_descr.py	1 Aug 2002 19:03:41 -0000	1.113.4.24
***************
*** 1314,1324 ****
 class C(object):
 class computed_attribute(object):
! def __init__(self, get, set=None):
 self.__get = get
 self.__set = set
 def __get__(self, obj, type=None):
 return self.__get(obj)
 def __set__(self, obj, value):
 return self.__set(obj, value)
 def __init__(self):
 self.__x = 0
--- 1314,1327 ----
 class C(object):
 class computed_attribute(object):
! def __init__(self, get, set=None, delete=None):
 self.__get = get
 self.__set = set
+ self.__delete = delete
 def __get__(self, obj, type=None):
 return self.__get(obj)
 def __set__(self, obj, value):
 return self.__set(obj, value)
+ def __delete__(self, obj):
+ return self.__delete(obj)
 def __init__(self):
 self.__x = 0
***************
*** 1329,1333 ****
 def __set_x(self, x):
 self.__x = x
! x = computed_attribute(__get_x, __set_x)
 a = C()
 vereq(a.x, 0)
--- 1332,1338 ----
 def __set_x(self, x):
 self.__x = x
! def __delete_x(self):
! del self.__x
! x = computed_attribute(__get_x, __set_x, __delete_x)
 a = C()
 vereq(a.x, 0)
***************
*** 1336,1339 ****
--- 1341,1346 ----
 vereq(a.x, 10)
 vereq(a.x, 11)
+ del a.x
+ vereq(hasattr(a, 'x'), 0)
 
 def newslot():
***************
*** 1648,1653 ****
 C.x.__set__(a, 100)
 vereq(C.x.__get__(a), 100)
! ## C.x.__set__(a)
! ## verify(not hasattr(a, "x"))
 
 raw = C.__dict__['x']
--- 1655,1660 ----
 C.x.__set__(a, 100)
 vereq(C.x.__get__(a), 100)
! C.x.__delete__(a)
! verify(not hasattr(a, "x"))
 
 raw = C.__dict__['x']