@Test
public void execute_shouldCreateAndStartAThreadWithTheProvidedRunnableAndReturnAFuture()
throws Exception {
CountDownLatch latch = new CountDownLatch(1);
Future<?> result = asyncExecutor.execute(latch::countDown);
latch.await(5, TimeUnit.SECONDS); // give the new thread time to start to running
verify(factory).newThread(any()); // The provided runnable will be wrapped, not passed directly
assertEquals(0, latch.getCount()); // but the runnable will be executed
assertNotNull(result);
assertNotNull(createdThread);
assertNotEquals(Thread.State.NEW, createdThread.getState());
}
