.build(),
    )
    val webSocket: WebSocket = newWebSocket()
    clientListener.assertOpen()
    val server = serverListener.assertOpen()

    // Sleep longer than the HTTP client's read timeout.
    Thread.sleep((client.readTimeoutMillis + 500).toLong())
    server.send("abc")
    clientListener.assertTextMessage("abc")
    closeWebSockets(webSocket, server)
  }

  @Test

      yieldUntil(ResumePriority.BeforeOtherTasks) {
        contextSwitchCount > contextSwitchCountBefore
      }
    }
  }

  /** Sleep until [durationNanos] elapses. For use by the task threads. */
  fun sleep(durationNanos: Long) {
    taskRunner.lock.withLock {
      val sleepUntil = nanoTime + durationNanos
      yieldUntil { nanoTime >= sleepUntil }
    }
  }

  /**

    assertThat(realTaskRunner.activeQueues()).isNotEmpty()
    Thread.sleep(100)
    val threads = arrayOfNulls<Thread>(Thread.activeCount() * 2)
    Thread.enumerate(threads)
    for (t in threads) {
      if (t != null && t.name == "OkHttp TaskRunner") {
        t.interrupt()
      }
    }
    Thread.sleep(100)
    assertThat(realTaskRunner.activeQueues()).isEmpty()
  }

    assertThat(recordedRequest!!.method).isEqualTo("GET")
    assertThat(recordedRequest.path).isEqualTo(
      "/lookup?ct&dns=AAABAAABAAAAAAAABmdvb2dsZQNjb20AAAEAAQ",
    )
    Thread.sleep(2000)
    server.enqueue(
      dnsResponse(
        "0000818000010003000000000567726170680866616365626f6f6b03636f6d0000010001c00c000500010" +

      var readyTask: Task? = null
      var multipleReadyTasks = false

      // Decide what to run. This loop's goal wants to:
      //  * Find out what this thread should do (either run a task or sleep)
      //  * Find out if there's enough work to start another thread.
      eachQueue@ for (queue in readyQueues) {
        val candidate = queue.futureTasks[0]

   * Performs maintenance on this pool, evicting the connection that has been idle the longest if
   * either it has exceeded the keep alive limit or the idle connections limit.
   *
   * Returns the duration in nanoseconds to sleep until the next scheduled call to this method.
   * Returns -1 if no further cleanups are required.
   */
  fun closeConnections(now: Long): Long {

      taskFaker.sleep(100.µs)
      log += "red:finishing@${taskFaker.nanoTime}"
    }
    assertThat(taskFaker.executeCallCount).isEqualTo(1)

    // Enqueueing the blue task doesn't start a thread because the red one is still starting.
    blueQueue.execute("blue task") {
      log += "blue:starting@${taskFaker.nanoTime}"
      taskFaker.sleep(100.µs)