*/
  @Test
  fun canceledBeforeIOSignalsOnFailure() {
    // Force requests to be executed serially.
    val dispatcher = Dispatcher(client.dispatcher.executorService)
    dispatcher.maxRequests = 1
    client =
      client.newBuilder()
        .dispatcher(dispatcher)
        .build()
    val requestA = Request(server.url("/a"))
    val requestB = Request(server.url("/b"))

  /**
   * The dispatcher used to respond to HTTP requests. The default dispatcher is a [QueueDispatcher],
   * which serves a fixed sequence of responses from a [queue][enqueue].
   *
   * Other dispatchers can be configured. They can vary the response based on timing or the content
   * of the request.
   */
  var dispatcher: Dispatcher = QueueDispatcher()

  private var portField: Int = -1

    // We use a re-entrant dispatcher to initiate one HTTPS connection while the other is in flight.
    server.dispatcher =
      object : Dispatcher() {
        var requestCount = 0

        override fun dispatch(request: RecordedRequest): MockResponse {
          val result = queueDispatcher.dispatch(request)
          requestCount++
          if (requestCount == 1) {

    callStart()
    try {
      client.dispatcher.executed(this)
      return getResponseWithInterceptorChain()
    } finally {
      client.dispatcher.finished(this)
    }
  }

  override fun enqueue(responseCallback: Callback) {
    check(executed.compareAndSet(false, true)) { "Already Executed" }

    callStart()
    client.dispatcher.enqueue(AsyncCall(responseCallback))
  }

  }

  @Test
  fun dispatcher() {
    var dispatcher = Dispatcher()
    dispatcher = Dispatcher(Executors.newCachedThreadPool())
    val maxRequests: Int = dispatcher.maxRequests
    dispatcher.maxRequests = 0
    val maxRequestsPerHost: Int = dispatcher.maxRequestsPerHost
    dispatcher.maxRequestsPerHost = 0
    val executorService: ExecutorService = dispatcher.executorService

    lock.assertHeld()

    val routeUrl = route.address.url

    if (url.port != routeUrl.port) {
      return false // Port mismatch.
    }

    if (url.host == routeUrl.host) {
      return true // Host match. The URL is supported.
    }

    // We have a host mismatch. But if the certificate matches, we're still good.
    return !noCoalescedConnections && handshake != null && certificateSupportHost(url, handshake!!)

   * byte of a frame but no more frames.
   */
  @Test
  fun readTimeoutAppliesWithinFrames() {
    webServer.dispatcher =
      object : Dispatcher() {
        override fun dispatch(request: RecordedRequest): MockResponse {
          return upgradeResponse(request)
            .body(Buffer().write("81".decodeHex())) // Truncated frame.

import okhttp3.internal.threadFactory

/**
 * Policy on when async requests are executed.
 *
 * Each dispatcher uses an [ExecutorService] to run calls internally. If you supply your own
 * executor, it should be able to run [the configured maximum][maxRequests] number of calls
 * concurrently.
 */
class Dispatcher() {
  internal val lock: ReentrantLock = ReentrantLock()

  /**

    object : WebSocketListener() {
    }
  val dispatcher = Dispatcher(executor)
  val listener = RecordingEventListener()
  var client =
    clientTestRule.newClientBuilder()
      .dns { throw UnknownHostException() }
      .dispatcher(dispatcher)
      .eventListenerFactory(clientTestRule.wrap(listener))
      .build()

  @BeforeEach
  fun setUp() {
    dispatcher.maxRequests = 20
    dispatcher.maxRequestsPerHost = 10

      this.taskRunner = okHttpClient.taskRunner
    }

    /**
     * Sets the dispatcher used to set policy and execute asynchronous requests. Must not be null.
     */
    fun dispatcher(dispatcher: Dispatcher) =
      apply {
        this.dispatcher = dispatcher
      }

    /**
     * Sets the connection pool used to recycle HTTP and HTTPS connections.
     *