def do1():
# see NOTE in interestingptrmaptest
obj = object()
ref = WeakReference(obj)
CPyMarshal.WriteIntField(ptr, PyObject, "ob_refcnt", 1)
CPyMarshal.WritePtrField(ptr, PyObject, "ob_type", mapper.PyBaseObject_Type)
mapper.StoreBridge(ptr, obj)
del obj
return ref
def do1():
obj = object()
ref = WeakReference(obj)
# need to use same allocator as mapper, otherwise it gets upset on shutdown
ptr = allocator.Alloc(Marshal.SizeOf(PyObject()))
CPyMarshal.WriteIntField(ptr, PyObject, "ob_refcnt", 2)
CPyMarshal.WritePtrField(ptr, PyObject, "ob_type", mapper.PyBaseObject_Type)
mapper.StoreBridge(ptr, obj)
# refcount > 1 means ref should have been strengthened
del obj
return ref, ptr
def do():
# see NOTE in interestingptrmaptest
obj = object()
ref = WeakReference(obj)
CPyMarshal.WriteIntField(ptr, PyObject, "ob_refcnt", 1)
CPyMarshal.WritePtrField(ptr, PyObject, "ob_type", mapper.PyBaseObject_Type)
mapper.StoreBridge(ptr, obj)
self.assertEquals(mapper.Retrieve(ptr), obj, "object not stored")
self.assertEquals(mapper.Store(obj), ptr, "object not reverse-mapped")
mapper.Weaken(obj)
CPyMarshal.WriteIntField(ptr, PyObject, "ob_refcnt", 1)
mapper.IncRef(ptr)
del obj
return ref
def assertMaps(self, mapper, func, ptr, refcnt):
func(ptr)
obj = mapper.Retrieve(ptr)
ref = WeakReference(obj)
self.assertEquals(mapper.Store(obj), ptr)
self.assertEquals(mapper.RefCount(ptr), refcnt)
while mapper.RefCount(ptr) > 2:
mapper.DecRef(ptr)
del obj
gcwait()
self.assertEquals(ref.IsAlive, True)
obj = ref.Target
mapper.DecRef(ptr)
del obj
gcwait()
self.assertEquals(ref.IsAlive, False)
def getVars(self):
obj = object()
ptr = Marshal.AllocHGlobal(Marshal.SizeOf(PyObject()))
CPyMarshal.WriteIntField(ptr, PyObject, 'ob_refcnt', 1)
self.ptrs.append(ptr)
return InterestingPtrMap(), ptr, obj, WeakReference(obj)