ListenerCallQueue<Object> queue = new ListenerCallQueue<>();
    queue.addListener(listener, directExecutor());

    Multiset<Object> counters = ConcurrentHashMultiset.create();
    queue.enqueue(incrementingEvent(counters, listener, 1));
    queue.enqueue(THROWING_EVENT);
    queue.enqueue(incrementingEvent(counters, listener, 2));
    queue.enqueue(THROWING_EVENT);
    queue.enqueue(incrementingEvent(counters, listener, 3));

    )
  }

  @Test
  fun cancelAsyncCall() {
    server.enqueue(
      MockResponse
        .Builder()
        .body("abc")
        .build(),
    )
    val call =
      client.newCall(
        Request
          .Builder()
          .url(server.url("/"))
          .build(),
      )
    call.enqueue(
      object : Callback {
        override fun onFailure(
          call: Call,

  fun clientTimeoutClosesBody() {
    webServer.enqueue(
      MockResponse
        .Builder()
        .code(408)
        .build(),
    )
    webServer.enqueue(
      MockResponse
        .Builder()
        .webSocketUpgrade(serverListener)
        .build(),
    )
    val webSocket: WebSocket = newWebSocket()
    clientListener.assertOpen()
    val server = serverListener.assertOpen()

    server!!.enqueue(MockResponse())
    assertSuccessfulEventOrder()
  }

  @Test
  @Throws(IOException::class)
  fun multipleDnsLookupsForSingleCall() {
    server!!.enqueue(
      MockResponse(
        code = 301,
        headers = headersOf("Location", "http://www.fakeurl:" + server!!.port),
      ),
    )
    server!!.enqueue(MockResponse())
    val dns = FakeDns()

  @Test
  fun connectionsAreReused() {
    server.enqueue(MockResponse(body = "a"))
    server.enqueue(MockResponse(body = "b"))
    val request = Request(server.url("/"))
    assertConnectionReused(request, request)
  }

  @Test
  fun connectionsAreReusedForPosts() {
    server.enqueue(MockResponse(body = "a"))
    server.enqueue(MockResponse(body = "b"))
    val request =
      Request(

        .requestIOException()
        .exhaustResponse()
    server.enqueue(
      MockResponse
        .Builder()
        .clearHeaders()
        .code(HttpURLConnection.HTTP_MOVED_PERM)
        .addHeader("Location: /b")
        .socketHandler(body)
        .build(),
    )
    server.enqueue(
      MockResponse
        .Builder()
        .body("this is /b")
        .build(),

  }

  @Test
  fun misdirectedRequestResponseCode() {
    server.enqueue(
      MockResponse
        .Builder()
        .body("seed connection")
        .build(),
    )
    server.enqueue(
      MockResponse
        .Builder()
        .code(421)
        .body("misdirected!")
        .build(),
    )
    server.enqueue(
      MockResponse
        .Builder()
        .body("after misdirect")

  }

  @Test
  fun receiveAndSendMultipleCookies() {
    server.enqueue(
      MockResponse
        .Builder()
        .addHeader("Set-Cookie", "a=android")
        .addHeader("Set-Cookie", "b=banana")
        .build(),
    )
    server.enqueue(MockResponse())
    val cookieManager = CookieManager(null, CookiePolicy.ACCEPT_ORIGINAL_SERVER)
    client =
      client

  // instance for every unit test.
  MockWebServer server = new MockWebServer();

  // Schedule some responses.
  server.enqueue(new MockResponse.Builder()
      .body("hello, world!")
      .build());
  server.enqueue(new MockResponse.Builder()
      .body("sup, bra?")
      .build());
  server.enqueue(new MockResponse.Builder()
      .body("yo dog")
      .build());

  // Start the server.
  server.start();

        ).build()

    // Set up a same-connection retry.
    serverIpv4.enqueue(
      MockResponse
        .Builder()
        .onRequestStart(CloseStream(ErrorCode.REFUSED_STREAM.httpCode))
        .build(),
    )
    serverIpv4.enqueue(
      MockResponse(body = "this was the 2nd request on IPv4"),
    )
    serverIpv6.enqueue(
      MockResponse(body = "unexpected call to IPv6"),
    )