public void testFlush_flushableWithEatenException() throws IOException {
    // make sure that no exception is thrown if 'swallowException' is true
    // when the mock does throw an exception on flush.
    setupFlushable(true);
    doFlush(mockFlushable, true, false);
  }

  public void testFlush_flushableWithThrownException() throws IOException {
    // make sure that the exception is thrown if 'swallowException' is false

    }

    @Override
    public ImplementationSnapshot read(Decoder decoder) throws Exception {
        Impl serializer = Impl.values()[decoder.readSmallInt()];
        return serializer.read(decoder);
    }

    @Override
    public void write(Encoder encoder, ImplementationSnapshot implementationSnapshot) throws Exception {

  public void readFully(byte[] b, int off, int len) throws IOException {
    ByteStreams.readFully(this, b, off, len);
  }

  @Override
  public int skipBytes(int n) throws IOException {
    return (int) in.skip(n);
  }

  @CanIgnoreReturnValue // to skip a byte
  @Override
  public int readUnsignedByte() throws IOException {
    int b1 = in.read();
    if (0 > b1) {
      throw new EOFException();
    }

    return b1;

    runUntimedInterruptsTest(38);
  }

  public void testMakeUninterruptible_timed_uninterrupted() throws Exception {
    runTimedInterruptsTest(0);
  }

  public void testMakeUninterruptible_timed_interrupted() throws Exception {
    runTimedInterruptsTest(1);
  }

  public void testMakeUninterruptible_timed_multiplyInterrupted() throws Exception {

        return input;
      } catch (InterruptedException e) {
        throw new AssertionError();
      }
    }

    @Override
    public void sleepThenThrowException() throws SampleException {
      try {
        MILLISECONDS.sleep(delayMillis);
      } catch (InterruptedException e) {
      }
      throw new SampleException();
    }
  }

  }

  public void testFrom_failedInput() throws Exception {
    assertFinallyFailsWithException(failedClosingFuture());
  }

  public void testFrom_cancelledInput() throws Exception {
    assertBecomesCanceled(ClosingFuture.from(immediateCancelledFuture()));
  }

  public void testEventuallyClosing() throws Exception {
    ClosingFuture<String> closingFuture =

    }


    public int available () throws IOException {
        return this.dis.available();
    }


    public void readFully ( byte[] b ) throws IOException {
        this.dis.readFully(b);
    }


    public void readFully ( byte[] b, int off, int len ) throws IOException {
        this.dis.readFully(b, off, len);
    }


    public char readChar () throws IOException {
        align(2);

    protected abstract void makeKey( Request request ) throws IOException;
    protected abstract Request peekKey() throws IOException;
    protected abstract void doSend( Request request ) throws IOException;
    protected abstract void doRecv( Response response ) throws IOException;
    protected abstract void doSkip() throws IOException;

    public synchronized void sendrecv( Request request,

   * @throws Exception if unable to load the result
   * @throws InterruptedException if this method is interrupted. {@code InterruptedException} is
   *     treated like any other {@code Exception} in all respects except that, when it is caught,
   *     the thread's interrupt status is set
   */
  public abstract V load(K key) throws Exception;

  /**

    protected abstract long makeKey ( Request request ) throws IOException;


    protected abstract Long peekKey () throws IOException;


    protected abstract void doSend ( Request request ) throws IOException;


    protected abstract void doRecv ( Response response ) throws IOException;


    protected abstract void doSkip ( Long key ) throws IOException;


    /**
     *