"ConnectStart",
      "ConnectEnd",
      "ConnectionAcquired",
      "ConnectionReleased",
    )
  }

  @Test
  @Throws(IOException::class)
  fun secondCallEventSequence() {
    enableTls()
    server.protocols = listOf(Protocol.HTTP_2, Protocol.HTTP_1_1)
    server.enqueue(MockResponse())
    server.enqueue(MockResponse())

    client
      .newCall(Request(server.url("/")))
      .execute()

  @StartStop
  private val server = MockWebServer()

  @BeforeEach
  fun setUp() {
    platform.assumeOpenJSSE()
  }

  @Test
  fun testTlsv13Works() {
    enableTls()

    server.enqueue(MockResponse(body = "abc"))

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

    val response = client.newCall(request).execute()

    response.use {
      assertEquals(200, response.code)

    assertEquals(TlsVersion.TLS_1_3, response.handshake?.tlsVersion)
    assertEquals(Protocol.HTTP_2, response.protocol)
  }

  @Test
  fun testMockWebserverRequest() {
    enableTls()

    server.enqueue(MockResponse(body = "abc"))

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

    val response = client.newCall(request).execute()

    response.use {

    executeAndCheckUpgrade(
      upgradeRequest()
        .newBuilder()
        .post("Hello".toRequestBody())
        .build(),
    )
  }

  @Test
  fun upgradeHttps() {
    enableTls(Protocol.HTTP_1_1)
    upgrade()
  }

  @Test
  fun upgradeRefusedByServer() {
    server.enqueue(MockResponse(body = "normal request"))
    val requestWithUpgrade =
      Request
        .Builder()

    // https://docs.oracle.com/en/java/javase/14/security/java-secure-socket-extension-jsse-reference-guide.html
    // TODO test jdk.tls.client.enableSessionTicketExtension
    // TODO check debugging information

    enableTls()

    server.enqueue(MockResponse(body = "abc"))

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

    val response = client.newCall(request).execute()

    response.use {
      assertEquals(200, response.code)

    if (tlsVersion == TlsVersion.TLS_1_3.javaName) {
      assumeTrue(PlatformVersion.majorVersion != 8)
    }

    val sessionIds = mutableListOf<String>()

    enableTls()

    val tlsVersion = TlsVersion.forJavaName(tlsVersion)
    val spec =
      ConnectionSpec
        .Builder(ConnectionSpec.MODERN_TLS)
        .tlsVersions(tlsVersion)
        .build()

  }

  @Test
  fun tls() {
    enableTls()
    server.enqueue(
      MockResponse(
        headers = headersOf("Content-Type", "text/plain"),
        body = "abc",
      ),
    )
    executeSynchronously("/").assertHandshake()
  }

  @Test
  fun tls_Async() {
    enableTls()
    server.enqueue(
      MockResponse(

    assertThat("abc").isEqualTo(response1.body.string())
    assertThat("def").isEqualTo(response2.body.string())
  }

  @Test
  @Flaky
  fun testMockWebserverRequest() {
    enableTls()

    server.enqueue(MockResponse(body = "abc"))

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

    val response = client.newCall(request).execute()

    response.use {

  private fun enableProtocol(protocol: Protocol) {
    if (protocol == Protocol.HTTP_2) {
      enableTls()
      client =
        client
          .newBuilder()
          .protocols(listOf(protocol, Protocol.HTTP_1_1))
          .build()
      server.protocols = client.protocols
    }
  }

  private fun enableTls() {
    val handshakeCertificates = platform.localhostHandshakeCertificates()
    client =

    }
  }

  private fun enableProtocol(protocol: Protocol) {
    enableTls()
    client =
      client
        .newBuilder()
        .protocols(listOf(protocol, Protocol.HTTP_1_1))
        .build()
    server.protocols = client.protocols
  }

  private fun enableTls() {
    client =
      client
        .newBuilder()
        .sslSocketFactory(