* write.
   *
   * 2. visibility of the writes to an afterDone() call triggered by cancel():
   *
   * Since these fields are non-final that means that TimeoutFuture is not being 'safely published',
   * thus a motivated caller may be able to expose the reference to another thread that would then
   * call cancel() and be unable to cancel the delegate.

    public final void addListener(Runnable listener, Executor executor) {
      super.addListener(listener, executor);
    }

    @CanIgnoreReturnValue
    @Override
    public final boolean cancel(boolean mayInterruptIfRunning) {
      return super.cancel(mayInterruptIfRunning);
    }
  }

  private static final Logger log = Logger.getLogger(AbstractFuture.class.getName());

  private State state;
  private V value;

    inputFuture.cancel(true); // argument is ignored
    assertThrows(CancellationException.class, () -> resultFuture.get());
  }

  public void testFutureGetThrowsCancellationIfOutputCancelled() throws Exception {
    inputFuture.set(SLOW_OUTPUT_VALID_INPUT_DATA);
    outputFuture.cancel(true); // argument is ignored

                  + listener
                  + " with executor "
                  + executor,
              e);
    }
  }

  @Override
  public boolean cancel(boolean mayInterruptIfRunning) {
    return false;
  }

  // TODO(lukes): Consider throwing InterruptedException when appropriate.
  @Override
  @ParametricNullness
  public V get() {
    return value;
  }

  }

  private static void doTestSuccessfulAsList_resultCancelledRacingInputDone() throws Exception {
    // Simple (combined.cancel -> input.cancel -> setOneValue):
    successfulAsList(ImmutableList.of(SettableFuture.create())).cancel(true);

    /*
     * Complex (combined.cancel -> input.cancel -> other.set -> setOneValue),
     * to show that this isn't just about problems with the input future we just
     * cancelled:

  }

  private static void doTestSuccessfulAsList_resultCancelledRacingInputDone() throws Exception {
    // Simple (combined.cancel -> input.cancel -> setOneValue):
    successfulAsList(ImmutableList.of(SettableFuture.create())).cancel(true);

    /*
     * Complex (combined.cancel -> input.cancel -> other.set -> setOneValue),
     * to show that this isn't just about problems with the input future we just
     * cancelled:

      super.addListener(listener, executor);
    }

    @CanIgnoreReturnValue
    @Override
    public final boolean cancel(boolean mayInterruptIfRunning) {
      return super.cancel(mayInterruptIfRunning);
    }
  }

  FluentFuture() {}

  /**
   * Converts the given {@code ListenableFuture} to an equivalent {@code FluentFuture}.
   *

    orig.cancel(true);
    assertTrue(orig.isCancelled());
    assertTrue(prev.isCancelled());
    assertTrue(prev.wasInterrupted());
  }

  public void testSetFutureSelf_cancel() {
    SettableFuture<String> orig = SettableFuture.create();
    orig.setFuture(orig);
    orig.cancel(true);
    assertTrue(orig.isCancelled());
  }

    } catch (TimeoutException expected) {
    } finally {
      latch.countDown();
    }
  }

  /**
   * Tests that a canceled future throws a cancellation exception.
   *
   * <p>This method checks the cancel, isCancelled, and isDone methods.
   */
  public void testCanceledFutureThrowsCancellation() throws Exception {

    assertFalse(future.isDone());

          // Note: The only way this CAS could fail is if cancel() has raced with us. That is ok.
          boolean unused = ATOMIC_HELPER.casValue(this, valueToSet, failure);
        }
        return true;
      }
      localValue = value; // we lost the cas, fall through and maybe cancel
    }
    // The future has already been set to something. If it is cancellation we should cancel the
    // incoming future.