}
  }

  val logger = Logger.getLogger("TaskFaker." + instance++)

  /** Though this executor service may hold many threads, they are not executed concurrently. */
  private val tasksExecutor = Executors.newCachedThreadPool(threadFactory("TaskFaker"))

  /**
   * True if this task faker has ever had multiple tasks scheduled to run concurrently. Guarded by

    }

    redQueue.execute("task two", 100.µs) {
      log += "two:run@${taskFaker.nanoTime} parallel=${taskFaker.isParallel}"
    }

    redQueue.execute("task three", 100.µs) {
      log += "three:run@${taskFaker.nanoTime} parallel=${taskFaker.isParallel}"
    }

    taskFaker.advanceUntil(0.µs)
    assertThat(log).isEmpty()

 * configure the factory when sample values impact the correctness of the test.
 */
class TestValueFactory : Closeable {
  var taskFaker: TaskFaker = TaskFaker()
  var taskRunner: TaskRunner = taskFaker.taskRunner
  var dns: Dns = Dns.SYSTEM
  var proxy: Proxy = Proxy.NO_PROXY
  var proxySelector: ProxySelector = RecordingProxySelector()

internal class FastFallbackExchangeFinderTest {
  private val taskFaker = TaskFaker()
  private val taskRunner = taskFaker.taskRunner

  /**
   * Note that we don't use the same [TaskFaker] for this factory. That way off-topic tasks like
   * connection pool maintenance tasks don't add noise to route planning tests.
   */
  private val routePlanner = FakeRoutePlanner(taskFaker = taskFaker)

import java.util.concurrent.LinkedBlockingDeque
import okhttp3.internal.concurrent.TaskFaker
import okhttp3.internal.connection.RealConnection
import okhttp3.internal.connection.RoutePlanner
import okhttp3.internal.connection.RoutePlanner.ConnectResult

class FakeRoutePlanner(
  val factory: TestValueFactory = TestValueFactory(),
  val taskFaker: TaskFaker = factory.taskFaker,
) : RoutePlanner, Closeable {

  lateinit var cacheDir: Path
  private val appVersion = 100
  private lateinit var journalFile: Path
  private lateinit var journalBkpFile: Path
  private val taskFaker = TaskFaker()
  private val taskRunner = taskFaker.taskRunner
  private lateinit var cache: DiskLruCache
  private val toClose = ArrayDeque<DiskLruCache>()

  private fun createNewCache() {
    createNewCacheWithSize(Int.MAX_VALUE)
  }

  private val random = Random(0)
  private val client2Server = Pipe(8192L)
  private val server2client = Pipe(8192L)
  private val taskFaker = TaskFaker()
  private val client = TestStreams(true, taskFaker, server2client, client2Server)
  private val server = TestStreams(false, taskFaker, client2Server, server2client)

  @BeforeEach
  fun setUp() {
    client.initWebSocket(random)
    server.initWebSocket(random)
  }

    forceConnectionsToExpire(pool, expireTime)
    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

import org.junit.jupiter.api.Test
import org.junit.jupiter.api.Timeout

@Timeout(5)
@Tag("Slow")
class Http2ConnectionTest {
  private val peer = MockHttp2Peer()
  private val taskFaker = TaskFaker()

  @AfterEach fun tearDown() {
    peer.close()
    taskFaker.close()
  }

  @Test fun serverPingsClientHttp2() {
    // Write the mocking script.
    peer.sendFrame().settings(Settings())
    peer.acceptFrame() // ACK