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-rw-r--r--Lib/test/test_descr.py36
1 files changed, 33 insertions, 3 deletions
diff --git a/Lib/test/test_descr.py b/Lib/test/test_descr.py
index 361af58..b26f165 100644
--- a/Lib/test/test_descr.py
+++ b/Lib/test/test_descr.py
@@ -833,7 +833,7 @@ def altmro():
verify(X().f() == "A")
def overloading():
- if verbose: print "testing operator overloading..."
+ if verbose: print "Testing operator overloading..."
class B(object):
"Intermediate class because object doesn't have a __setattr__"
@@ -890,7 +890,7 @@ def overloading():
verify(a.delslice == (0, 10))
def methods():
- if verbose: print "testing methods..."
+ if verbose: print "Testing methods..."
class C(object):
def __init__(self, x):
self.x = x
@@ -912,7 +912,7 @@ def methods():
def specials():
# Test operators like __hash__ for which a built-in default exists
- if verbose: print "testing special operators..."
+ if verbose: print "Testing special operators..."
# Test the default behavior for static classes
class C(object):
def __getitem__(self, i):
@@ -1040,6 +1040,35 @@ def specials():
verify(i in p10)
verify(10 not in p10)
+def weakrefs():
+ if verbose: print "Testing weak references..."
+ import weakref
+ class C(object):
+ pass
+ c = C()
+ r = weakref.ref(c)
+ verify(r() is c)
+ del c
+ verify(r() is None)
+ del r
+ class NoWeak(object):
+ __slots__ = ['foo']
+ no = NoWeak()
+ try:
+ weakref.ref(no)
+ except TypeError, msg:
+ verify(str(msg).find("weakly") >= 0)
+ else:
+ verify(0, "weakref.ref(no) should be illegal")
+ class Weak(object):
+ __slots__ = ['foo', '__weakref__']
+ yes = Weak()
+ r = weakref.ref(yes)
+ verify(r() is yes)
+ del yes
+ verify(r() is None)
+ del r
+
def all():
lists()
dicts()
@@ -1068,6 +1097,7 @@ def all():
overloading()
methods()
specials()
+ weakrefs()
all()