}
            throw e;
        }
    }


    /**
     * {@inheritDoc}
     *
     * @see jcifs.smb.DirFileEntryEnumIteratorBase#isDone()
     */
    @Override
    protected boolean isDone () {
        return this.response.isEndOfSearch();
    }


    /**
     * @throws CIFSException
     */
    @Override

    assertThat(runnableFuture).isInstanceOf(TrustedListenableFutureTask.class);
    assertTrue(runnableFuture.isDone());
    assertTrue(runnable.run);

    ListenableFuture<String> callableFuture = e.submit(new TestCallable());
    assertThat(callableFuture).isInstanceOf(TrustedListenableFutureTask.class);
    assertTrue(callableFuture.isDone());
    assertEquals("foo", callableFuture.get());

    TestRunnable runnable2 = new TestRunnable();

    return delegate().cancel(mayInterruptIfRunning);
  }

  @Override
  public boolean isCancelled() {
    return delegate().isCancelled();
  }

  @Override
  public boolean isDone() {
    return delegate().isDone();
  }

  @Override
  @CanIgnoreReturnValue
  @ParametricNullness
  public V get() throws InterruptedException, ExecutionException {
    return delegate().get();
  }

  @Override

   * TimeUnit)} overload in order to test that method.
   */
  static <V> V getDoneFromTimeoutOverload(Future<V> future) throws ExecutionException {
    checkState(future.isDone(), "Future was expected to be done: %s", future);
    try {
      return getUninterruptibly(future, 0, SECONDS);
    } catch (TimeoutException e) {
      AssertionFailedError error = new AssertionFailedError(e.getMessage());

          }
        };
    ScheduledFuture<?> future =
        TestingExecutors.noOpScheduledExecutor().schedule(task, 10, TimeUnit.MILLISECONDS);
    Thread.sleep(20);
    assertFalse(taskDone);
    assertFalse(future.isDone());
  }

  public void testNoOpScheduledExecutorShutdown() {
    ListeningScheduledExecutorService executor = TestingExecutors.noOpScheduledExecutor();
    assertFalse(executor.isShutdown());

  }

  public void testCancel_notDoneNoInterrupt() throws Exception {
    Future<?> future = newFutureInstance();
    assertTrue(future.cancel(false));
    assertTrue(future.isCancelled());
    assertTrue(future.isDone());
    assertNull(tryInternalFastPathGetFailure(future));
    CancellationException e = assertThrows(CancellationException.class, () -> future.get());
    assertNotNull(e.getCause());
  }

        }

        if ( !last && !isDone() ) {
            if ( !fetchMore() ) {
                doClose();
                return null;
            }
            this.ridx = 0;
            return advance(true);
        }
        return null;
    }


    protected abstract FileEntry open () throws CIFSException;


    protected abstract boolean isDone ();

    compound.addListener(listener, directExecutor());

    // Satisfy each input and check the output
    assertFalse(compound.isDone());
    future1.set(DATA1);
    assertFalse(compound.isDone());
    future2.set(DATA2);
    assertFalse(compound.isDone());
    listener.expectCall();
    future3.set(DATA3);
    assertTrue(listener.wasCalled());

    List<String> results = getDone(compound);

    out = null;

    // times out and throws RuntimeException on failure
    GcFinalization.awaitDone(
        new GcFinalization.FinalizationPredicate() {
          @Override
          public boolean isDone() {
            return !file.exists();
          }
        });
  }

 */
@GwtCompatible
@ElementTypesAreNonnullByDefault
public interface AsyncCallable<V extends @Nullable Object> {
  /**
   * Computes a result {@code Future}. The output {@code Future} need not be {@linkplain
   * Future#isDone done}, making {@code AsyncCallable} suitable for asynchronous derivations.
   *
   * <p>Throwing an exception from this method is equivalent to returning a failing {@link
   * ListenableFuture}.
   */