) : Reader() {
    private var closed: Boolean = false
    private var delegate: Reader? = null

    @Throws(IOException::class)
    override fun read(
      cbuf: CharArray,
      off: Int,
      len: Int,
    ): Int {
      if (closed) throw IOException("Stream closed")

      val finalDelegate =
        delegate ?: InputStreamReader(
          source.inputStream(),
          source.readBomAsCharset(charset),

    taskFaker.runTasks()
  }

  private fun connectHttp2(
    peer: MockHttp2Peer,
    realConnection: RealConnection,
    maxConcurrentStreams: Int,
  ): Http2Connection {
    // Write the mocking script.
    val settings1 = Settings()
    settings1[Settings.MAX_CONCURRENT_STREAMS] = maxConcurrentStreams
    peer.sendFrame().settings(settings1)

    return Hpack.Reader(source, 4096)
  }

  private fun byteStream(vararg bytes: Int): Buffer {
    return Buffer().write(intArrayToByteArray(bytes))
  }

  private fun checkEntry(
    entry: Header,
    name: String,
    value: String,
    size: Int,
  ) {
    assertThat(entry.name.utf8()).isEqualTo(name)
    assertThat(entry.value.utf8()).isEqualTo(value)

    val response = call.execute()
    Thread.sleep(250)
    response.body.source().readUtf8()
    response.close()
    assertThat(call.isCanceled()).isFalse()
  }

  private fun sleepingRequestBody(sleepMillis: Int): RequestBody {
    return object : RequestBody() {
      override fun contentType(): MediaType? {
        return "text/plain".toMediaTypeOrNull()
      }

      @Throws(IOException::class)

    )
  }

  class RealBackend(threadFactory: ThreadFactory) : Backend {
    val executor =
      ThreadPoolExecutor(
        // corePoolSize:
        0,
        // maximumPoolSize:
        Int.MAX_VALUE,
        // keepAliveTime:
        60L,
        TimeUnit.SECONDS,
        SynchronousQueue(),
        threadFactory,
      )

    override fun nanoTime() = System.nanoTime()

    val e = RuntimeException()
    clientListener.setNextEventDelegate(
      object : WebSocketListener() {
        override fun onClosing(
          webSocket: WebSocket,
          code: Int,
          reason: String,
        ) {
          throw e
        }
      },
    )
    server.close(1000, "bye")
    clientListener.assertFailure(e)
    serverListener.assertFailure()

    assertFailsWith<Exception> {
      clientReaderWithCompression.processNextFrame()
    }.also { expected ->
      assertThat(expected.message!!).contains("closed")
    }
  }

  private fun binaryData(length: Int): ByteString {
    val junk = ByteArray(length)
    random.nextBytes(junk)
    return junk.toByteString()
  }

    val listener = WebSocketRecorder(name)
    var webSocket: RealWebSocket? = null
    var closed = false
    var canceled = false

    fun initWebSocket(
      random: Random?,
      pingIntervalMillis: Int = 0,
      responseHeaders: Headers? = headersOf(),
      webSocketCloseTimeout: Long = RealWebSocket.CANCEL_AFTER_CLOSE_MILLIS,
    ) {
      val url = "http://example.com/websocket"
      val response =

    assertThat(recordedResponse.failure, "canceled due to java.lang.RuntimeException: boom!")
    recordedResponse.failure!!.assertSuppressed { throwables: List<Throwable>? ->
      assertThat(throwables!!).contains(boom)
      Unit
    }
    assertThat(call.isCanceled()).isTrue()
    assertThat(executor.takeException()).isEqualTo(boom)
  }

  @Test
  fun networkInterceptorReturnsConnectionOnEmptyBody() {
    server.enqueue(

        }
      }

      override fun flush() {
      }

      override fun close() {
      }
    }.apply {
      level = Level.FINEST
    }

  private fun applyLogger(fn: Logger.() -> Unit) {
    Logger.getLogger(OkHttpClient::class.java.`package`.name).fn()
    Logger.getLogger(OkHttpClient::class.java.name).fn()
    Logger.getLogger(Http2::class.java.name).fn()