TimeUnit lastUnit;

    void assertLastMethodCalled(String method, long delay, TimeUnit unit) {
      assertEquals(method, lastMethodCalled);
      assertEquals(delay, lastDelay);
      assertEquals(unit, lastUnit);
    }

    void assertLastMethodCalled(String method, long initialDelay, long delay, TimeUnit unit) {
      assertEquals(method, lastMethodCalled);
      assertEquals(initialDelay, lastInitialDelay);

    }
    {
      MockExecutor mock = new MockExecutor();
      TimeUnit unit = TimeUnit.SECONDS;
      long timeout = 5;
      TestExecutor testExecutor = new TestExecutor(mock);
      List<Future<String>> futures = testExecutor.invokeAll(tasks, timeout, unit);
      mock.assertMethodWithTimeout("invokeAll", timeout, unit);
      checkResults(futures);
    }
  }

      recordedCommand = command;
      recordedDelay = delay;
      recordedTimeUnit = unit;
      return ImmediateScheduledFuture.of("schedule");
    }

    @Override
    public <V> ListenableScheduledFuture<V> schedule(
        Callable<V> callable, long delay, TimeUnit unit) {
      recordedDelay = delay;
      recordedTimeUnit = unit;
      try {

    delegate().putLast(e);
  }

  @Override
  public boolean offerFirst(E e, long timeout, TimeUnit unit) throws InterruptedException {
    return delegate().offerFirst(e, timeout, unit);
  }

  @Override
  public boolean offerLast(E e, long timeout, TimeUnit unit) throws InterruptedException {
    return delegate().offerLast(e, timeout, unit);
  }

  @Override
  public E takeFirst() throws InterruptedException {

  static void requestInterruptIn(final long time, final TimeUnit unit) {
    checkNotNull(unit);
    final Thread interruptee = Thread.currentThread();
    new Thread(
            new Runnable() {
              @Override
              public void run() {
                try {
                  unit.sleep(time);
                } catch (InterruptedException wontHappen) {

  }

  /**
   * Converts an expiration duration/unit pair into a single Long for hashing and equality. Uses
   * nanos to match CacheBuilder implementation.
   */
  @CheckForNull
  private static Long durationInNanos(long duration, @CheckForNull TimeUnit unit) {
    return (unit == null) ? null : unit.toNanos(duration);
  }

  /** Base class for parsing integers. */

  @Override
  public final void awaitRunning(long timeout, TimeUnit unit) throws TimeoutException {
    delegate.awaitRunning(timeout, unit);
  }

  /** @since 15.0 */
  @Override
  public final void awaitTerminated() {
    delegate.awaitTerminated();
  }

  /** @since 15.0 */
  @Override
  public final void awaitTerminated(long timeout, TimeUnit unit) throws TimeoutException {
    delegate.awaitTerminated(timeout, unit);

  @Override
  public final void awaitRunning(long timeout, TimeUnit unit) throws TimeoutException {
    delegate.awaitRunning(timeout, unit);
  }

  /** @since 15.0 */
  @Override
  public final void awaitTerminated() {
    delegate.awaitTerminated();
  }

  /** @since 15.0 */
  @Override
  public final void awaitTerminated(long timeout, TimeUnit unit) throws TimeoutException {
    delegate.awaitTerminated(timeout, unit);

   *     by subsequent {@code get()} calls
   * @param unit the unit that {@code duration} is expressed in
   * @throws IllegalArgumentException if {@code duration} is not positive
   * @since 2.0
   */
  @SuppressWarnings("GoodTime") // Prefer the Duration overload
  public static <T extends @Nullable Object> Supplier<T> memoizeWithExpiration(
      Supplier<T> delegate, long duration, TimeUnit unit) {
    checkNotNull(delegate);

  @Override
  public void await() throws InterruptedException {
    delegate().await();
  }

  @Override
  public boolean await(long time, TimeUnit unit) throws InterruptedException {
    return delegate().await(time, unit);
  }

  @Override
  public void awaitUninterruptibly() {
    delegate().awaitUninterruptibly();
  }

  @Override