CountingRunnable listener = new CountingRunnable();
    future.addListener(listener, directExecutor());
    listener.assertRun();

    assertThat(future.isDone()).isTrue();
    assertCannotSet(future);
    assertCannotCancel(future);
  }

  private static void assertCannotSet(AbstractFuture<Integer> future) {
    assertThat(future.set(99)).isFalse();
    assertThat(future.setException(new IndexOutOfBoundsException())).isFalse();