def test_getweakrefs(self):
import _weakref, gc
class A(object):
pass
a = A()
assert _weakref.getweakrefs(a) == []
assert _weakref.getweakrefs(None) == []
ref1 = _weakref.ref(a)
assert _weakref.getweakrefs(a) == [ref1]
def test_getweakrefs(self):
import _weakref, gc
class A(object):
pass
a = A()
assert _weakref.getweakrefs(a) == []
assert _weakref.getweakrefs(None) == []
ref1 = _weakref.ref(a)
assert _weakref.getweakrefs(a) == [ref1]
def test_weakref_subclass_with_del(self):
import _weakref, gc
class Ref(_weakref.ref):
def __del__(self):
b.a = 42
class A(object):
pass
a = A()
b = A()
b.a = 1
w = Ref(a)
del w
gc.collect()
assert b.a == 42
if _weakref.getweakrefcount(a) > 0:
# the following can crash if the presence of the applevel __del__
# leads to the fact that the __del__ of _weakref.ref is not called.
assert _weakref.getweakrefs(a)[0]() is a
def test_weakref_subclass_with_del(self):
import _weakref, gc
class Ref(_weakref.ref):
def __del__(self):
b.a = 42
class A(object):
pass
a = A()
b = A()
b.a = 1
w = Ref(a)
del w
gc.collect()
assert b.a == 42
if _weakref.getweakrefcount(a) > 0:
# the following can crash if the presence of the applevel __del__
# leads to the fact that the __del__ of _weakref.ref is not called.
assert _weakref.getweakrefs(a)[0]() is a
def test():
assert (_weakref.ReferenceType is _weakref.ref)
for _ in range(99):
time.sleep(5) # Throttle to avoid a MemoryError
try:
_weakref._remove_dead_weakref(dct, 'obj')
except NameError:
pass
obj = fclass()
_weakref.getweakrefcount
dct = {'obj': _weakref.ref(obj)}
_weakref.getweakrefs(obj)
_weakref.getweakrefs(dct['obj'])
dct['prox'] = _weakref.proxy(ffunc, ffunc)
dct['oprox'] = _weakref.proxy(obj, ffunc)
q = _queue.SimpleQueue()
lock = rnd.choice([_thread.allocate_lock, _thread.allocate])()
def lock_thread(*a, **k):
try:
rnd.choice([lock.acquire_lock,
lock.acquire])(blocking=fbool(),
timeout=rnd.randint(-10, 10))
except ValueError:
pass
rnd.choice([lock.locked, lock.locked_lock])()
ffunc(q)
try:
rnd.choice([lock.release_lock, lock.release])()
except RuntimeError:
pass
try:
with lock:
ffunc(q)
except RuntimeError:
pass
rnd.choice([lock.locked, lock.locked_lock])()
l = _thread._set_sentinel()
if fbool(): rnd.choice([_thread.exit_thread, _thread.exit])()
rlock = _thread.RLock()
def rlock_thread(*a, **k):
rlock.acquire(fbool())
ffunc(q)
rlock._is_owned()
if fbool():
try:
rlock._release_save()
except RuntimeError:
pass
if fbool():
rlock._acquire_restore(
(rnd.randint(-9999, 9999), rnd.randint(-9999, 9999)))
try:
rlock.release()
except RuntimeError:
pass
try:
with rlock:
ffunc(q)
except RuntimeError:
pass
rlock._is_owned()
if fbool(): rnd.choice([_thread.exit_thread, _thread.exit])()
for _ in range(99):
repr(lock)
repr(rlock)
try:
rnd.choice([_thread.start_new, _thread.start_new_thread
])(rnd.choice([lock_thread, rlock_thread]),
(q, ) + ftup(), fdict())
except RuntimeError:
pass
try:
_thread.stack_size(rnd.randint(-99999999, 99999999))
except (ValueError, OverflowError):
pass
ffunc(q)
try:
_thread.interrupt_main()
except KeyboardInterrupt:
pass
