private var runCallCount = 0

  /** Queues with tasks that are currently executing their [TaskQueue.activeTask]. */
  private val busyQueues = mutableListOf<TaskQueue>()

  /** Queues not in [busyQueues] that have non-empty [TaskQueue.futureTasks]. */
  private val readyQueues = mutableListOf<TaskQueue>()

  private val runnable: Runnable =
    object : Runnable {
      override fun run() {
        var task: Task =

            hasBody = contentLength > 0L || HttpMethod.permitsRequestBody(request.method)
            requestBodySink.write(socket.source, contentLength)
          }

          chunked -> {
            chunkSizes = mutableListOf()
            hasBody = true
            while (true) {
              val chunkSize =
                socket.source
                  .readUtf8LineStrict()
                  .trim()

    assertThat(c1.calls).isEmpty()

    // Can't allocate once a leak has been detected.
    assertThat(c1.noNewExchanges).isTrue()
  }

  @Test fun interruptStopsThread() {
    val taskRunnerThreads = mutableListOf<Thread>()
    val taskRunner =
      TaskRunner(
        RealBackend { runnable ->
          Thread(runnable, "interruptStopsThread TaskRunner")
            .also { taskRunnerThreads += it }
        },

   */
  internal var allocationLimit = 1
    private set

  /** Current calls carried by this connection. */
  val calls = mutableListOf<Reference<RealCall>>()

  /** Timestamp when `allocations.size()` reached zero. Also assigned upon initial connection. */
  var idleAtNs = Long.MAX_VALUE

  /**

    eventListener.callStart(this)
  }

  @Throws(IOException::class)
  internal fun getResponseWithInterceptorChain(): Response {
    // Build a full stack of interceptors.
    val interceptors = mutableListOf<Interceptor>()
    interceptors += client.interceptors
    interceptors += RetryAndFollowUpInterceptor(client)
    interceptors += BridgeInterceptor(client.cookieJar)
    interceptors += CacheInterceptor(client.cache)

        "ConnectionReleased",
        "CallEnd",
      ),
      eventListener.recordedEventTypes(),
    )
  }

  @Test
  fun testSessionReuse() {
    val sessionIds = mutableListOf<String>()

    enableTls()

    client =
      client
        .newBuilder()
        .eventListenerFactory(
          clientTestRule.wrap(
            object : EventListener() {

  private fun request(): Request.Builder = Request.Builder().url(url)

  internal class LogRecorder(
    val prefix: Regex = Regex(""),
  ) : HttpLoggingInterceptor.Logger {
    private val logs = mutableListOf<String>()
    private var index = 0

    fun assertLogEqual(expected: String) =
      apply {
        assertThat(index, "No more messages found")
          .isLessThan(logs.size)

  }

  @Test
  fun dnsReturnsZeroIpAddresses() {
    // Configure a DNS that returns our local MockWebServer for android.com.
    val dns = FakeDns()
    val ipAddresses = mutableListOf<InetAddress>()
    dns["android.com"] = ipAddresses
    client =
      client
        .newBuilder()
        .dns(dns)
        .build()
    server.enqueue(MockResponse())
    val request =

    assertThat(ackFrame.ack).isTrue()
    return connection
  }

  private class RecordingPushObserver :
    PushObserver,
    Lockable {
    val events = mutableListOf<Any>()

    @Synchronized fun takeEvent(): Any {
      while (events.isEmpty()) {
        wait()
      }
      return events.removeAt(0)
    }

    @Synchronized override fun onRequest(