unit: TimeUnit,
    ): T? {
      taskRunner.lock.withLock {
        val waitUntil = nanoTime + unit.toNanos(timeout)
        while (true) {
          val result = poll()
          if (result != null) return result
          if (nanoTime >= waitUntil) return null
          val editCountBefore = editCount
          yieldUntil { nanoTime >= waitUntil || editCount > editCountBefore }
        }
      }
    }

  }

  @Test fun test() {
    val t1 = System.nanoTime() / 1e6

    val delays = mutableListOf(TimeUnit.MILLISECONDS.toNanos(1000), -1L)
    queue.schedule("task", TimeUnit.MILLISECONDS.toNanos(750)) {
      log.put("runOnce delays.size=${delays.size}")
      return@schedule delays.removeAt(0)
    }

    assertThat(log.take()).isEqualTo("runOnce delays.size=2")
    val t2 = System.nanoTime() / 1e6 - t1

  override fun requestHeadersStart(call: Call) = logEvent(RequestHeadersStart(System.nanoTime(), call))

  override fun requestHeadersEnd(
    call: Call,
    request: Request,
  ) = logEvent(RequestHeadersEnd(System.nanoTime(), call, request.headers.byteCount()))

  override fun requestBodyStart(call: Call) = logEvent(RequestBodyStart(System.nanoTime(), call))

    assertThat(pool.connectionCount()).isEqualTo(1)
  }

  @Test fun connectionPreWarmingHttp2() {
    taskFaker.advanceUntil(System.nanoTime())
    val expireSooner = taskFaker.nanoTime + 1_000_000_000_000
    val expireLater = taskFaker.nanoTime + 2_000_000_000_000

    routePlanner.autoGeneratePlans = true
    val address = routePlanner.address
    val pool = routePlanner.pool

        Int.MAX_VALUE,
        // keepAliveTime:
        60L,
        TimeUnit.SECONDS,
        SynchronousQueue(),
        threadFactory,
      )

    override fun nanoTime() = System.nanoTime()

    override fun coordinatorNotify(taskRunner: TaskRunner) {
      taskRunner.condition.signal()
    }

    /**

    val webSocket = newWebSocket()
    clientListener.assertOpen()
    val server = serverListener.assertOpen() as RealWebSocket
    val startNanos = System.nanoTime()
    while (webSocket.receivedPongCount() < 3) {
      Thread.sleep(50)
    }
    val elapsedUntilPong3 = System.nanoTime() - startNanos
    assertThat(TimeUnit.NANOSECONDS.toMillis(elapsedUntilPong3).toDouble())
      .isCloseTo(1500.0, 250.0)

class LoggingEventListener private constructor(
  private val logger: HttpLoggingInterceptor.Logger,
) : EventListener() {
  private var startNs: Long = 0

  override fun callStart(call: Call) {
    startNs = System.nanoTime()

    logWithTime("callStart: ${call.request()}")
  }

  override fun proxySelectStart(
    call: Call,
    url: HttpUrl,
  ) {
    logWithTime("proxySelectStart: $url")
  }

        .url("http://" + TestUtil.UNREACHABLE_ADDRESS_IPV4)
        .build()
    val call = client.newCall(request1)
    val startNanos = System.nanoTime()
    assertFailsWith<SocketTimeoutException> {
      call.execute()
    }
    val elapsedNanos = System.nanoTime() - startNanos
    org.junit.jupiter.api.Assertions.assertTrue(
      elapsedNanos < TimeUnit.SECONDS.toNanos(5),

    }
  }

  private fun ensureAllTaskQueuesIdle() {
    val entryTime = System.nanoTime()

    for (queue in TaskRunner.INSTANCE.activeQueues()) {
      // We wait at most 1 second, so we don't ever turn multiple lost threads into
      // a test timeout failure.
      val waitTime = (entryTime + 1_000_000_000L - System.nanoTime())
      if (!queue.idleLatch().await(waitTime, TimeUnit.NANOSECONDS)) {

    Request request = chain.request();

    long t1 = System.nanoTime();
    logger.info(String.format("Sending request %s on %s%n%s",
        request.url(), chain.connection(), request.headers()));

    Response response = chain.proceed(request);

    long t2 = System.nanoTime();
    logger.info(String.format("Received response for %s in %.1fms%n%s",