.newClientBuilder()
        .dispatcher(Dispatcher(newVirtualThreadPerTaskExecutor()))
        .build()
  }

  private fun newVirtualThreadPerTaskExecutor(): ExecutorService =
    Executors::class.java.getMethod("newVirtualThreadPerTaskExecutor").invoke(null) as ExecutorService

  @Test
  fun testRequest() {
    server.enqueue(MockResponse())

    val request = Request(server.url("/"))

    client.newCall(request).execute().use {

  @RegisterExtension
  var platform = PlatformRule()

  private lateinit var executorService: ExecutorService

  private var serverSocket: ServerSocket? = null

  @BeforeEach fun setUp() {
    executorService = Executors.newCachedThreadPool(threadFactory("HandshakeCertificatesTest"))
  }

  @AfterEach fun tearDown() {
    executorService.shutdown()
    serverSocket?.closeQuietly()
  }

  @Test fun clientAndServer() {

     * test the forwarded methods
     */
  }

  @AndroidIncompatible // Mocking ExecutorService is forbidden there. TODO(b/218700094): Don't mock.
  public void testListeningDecorator_noWrapExecuteTask() {
    ExecutorService delegate = mock(ExecutorService.class);
    ListeningExecutorService service = listeningDecorator(delegate);
    Runnable task =
        new Runnable() {

   * ExecutorService#shutdownNow()} and returns.
   *
   * <p>For a version of this method that waits <i>indefinitely</i>, use {@link
   * ExecutorService#close}.
   *
   * @param service the {@code ExecutorService} to shut down
   * @param timeout the maximum time to wait for the {@code ExecutorService} to terminate

     * test the forwarded methods
     */
  }

  @AndroidIncompatible // Mocking ExecutorService is forbidden there. TODO(b/218700094): Don't mock.
  public void testListeningDecorator_noWrapExecuteTask() {
    ExecutorService delegate = mock(ExecutorService.class);
    ListeningExecutorService service = listeningDecorator(delegate);
    Runnable task =
        new Runnable() {

   */
  @get:Synchronized
  @set:Synchronized
  var idleCallback: Runnable? = null

  private var executorServiceOrNull: ExecutorService? = null

  @get:JvmName("executorService")
  @get:Synchronized
  val executorService: ExecutorService
    get() {
      if (executorServiceOrNull == null) {
        executorServiceOrNull =
          ThreadPoolExecutor(
            0,

  }

  @AfterEach
  fun checkForPinning() {
    assertThat(capturedOut.toString()).isEmpty()
  }

  private fun newVirtualThreadPerTaskExecutor(): ExecutorService =
    Executors::class.java.getMethod("newVirtualThreadPerTaskExecutor").invoke(null) as ExecutorService

  @Test
  fun testHttpsRequest() {
    MockServerClient(mockServer.host, mockServer.serverPort).use { mockServerClient ->
      mockServerClient
        .`when`(

            try {
                executorService.shutdown();
                executorService.awaitTermination(60, TimeUnit.SECONDS);
            } catch (final InterruptedException e) {
                if (logger.isDebugEnabled()) {
                    logger.debug("Interrupted.", e);
                }
            } finally {
                executorService.shutdownNow();
            }
        }
    }

        assertEquals("http://example.com/", HcHttpClient.constructRedirectLocation("http://example.com/path/", "../"));
    }

    // public void test_doGet_mt() throws Exception {
    // ExecutorService executorService = Executors.newFixedThreadPool(1);
    //
    // // HttpClient Parameters
    // Map<String, Object> paramMap = new HashMap<String, Object>();
    // httpClient.setInitParameterMap(paramMap);
    //

  @GwtIncompatible // concurrency
  private void runConcurrentTest(int numberOfThreads, Callable<@Nullable Void> callable)
      throws Exception {
    ExecutorService executorService = newFixedThreadPool(numberOfThreads);
    CountDownLatch startLatch = new CountDownLatch(numberOfThreads);
    CountDownLatch doneLatch = new CountDownLatch(numberOfThreads);