def test_it():
futures = [tasklets.Future() for _ in range(3)]
def callback():
futures[1].set_result(42)
_eventloop.add_idle(callback)
future = tasklets.wait_any(futures)
assert future is futures[1]
assert future.result() == 42
def test_it_no_futures():
assert tasklets.wait_any(()) is None
