def testD(self):
lock = Lock()
lock.acquire()
lock.release()
fut = lock.acquire()
assert fut.done()
def testE(self):
lock = Lock()
lock.acquire()
f1 = lock.acquire()
assert not f1.done()
lock.release()
f2 = lock.acquire()
assert not f2.done()
lock.release()
assert f1.done()
lock.release()
assert f2.done()
def testReleasingUnlockedLockRaises(self):
lock = Lock()
with pytest.raises(RuntimeError):
lock.release()