private lateinit var clientIntermediateCa: HeldCertificate
  private lateinit var clientCert: HeldCertificate

  @BeforeEach
  fun setUp() {
    platform.assumeNotOpenJSSE()
    platform.assumeNotBouncyCastle()
    serverRootCa =
      HeldCertificate
        .Builder()
        .serialNumber(1L)
        .certificateAuthority(1)
        .commonName("root")
        .addSubjectAlternativeName("root_ca.com")

  private val dns = FakeDns()
  private lateinit var url: HttpUrl
  private lateinit var serverIps: List<InetAddress>

  @BeforeEach
  fun setUp() {
    platform.assumeHttp2Support()
    platform.assumeNotBouncyCastle()
    rootCa =
      HeldCertificate
        .Builder()
        .serialNumber(1L)
        .certificateAuthority(0)
        .commonName("root")
        .build()
    certificate =
      HeldCertificate

    enableProtocol(Protocol.HTTP_2)
    noRecoverWhenRetryOnConnectionFailureIsFalse()
  }

  @Test
  fun tlsHandshakeFailure_noFallbackByDefault() {
    platform.assumeNotBouncyCastle()

    server.useHttps(handshakeCertificates.sslSocketFactory())
    server.enqueue(MockResponse.Builder().failHandshake().build())
    server.enqueue(MockResponse(body = "response that will never be received"))

  var platform = PlatformRule()

  @RegisterExtension
  var clientTestRule = OkHttpClientTestRule()

  @StartStop
  private val server = MockWebServer()

  @BeforeEach
  fun setup() {
    platform.assumeNotBouncyCastle()
  }

  /**
   * The pinner should pull the root certificate from the trust manager.
   */
  @Test
  fun pinRootNotPresentInChain() {
    // Fails on 11.0.1 https://github.com/square/okhttp/issues/4703

    assertThat(handshake.peerPrincipal).isNull()
    assertThat(handshake.peerCertificates.size).isEqualTo(0)
  }

  @Test
  fun httpsWithClientAuth() {
    platform.assumeNotBouncyCastle()
    platform.assumeNotConscrypt()
    val clientCa =
      HeldCertificate
        .Builder()
        .certificateAuthority(0)
        .build()
    val serverCa =
      HeldCertificate

    assertThat(handshake.peerPrincipal).isNull()
    assertThat(handshake.peerCertificates.size).isEqualTo(0)
  }

  @Test
  fun httpsWithClientAuth() {
    platform.assumeNotBouncyCastle()
    platform.assumeNotConscrypt()

    val clientCa =
      HeldCertificate
        .Builder()
        .certificateAuthority(0)
        .build()
    val serverCa =
      HeldCertificate

        }
      }
    }
  }

  // TODO(jwilson): tests below this marker need to be migrated to OkHttp's request/response API.
  @Test
  fun connectViaHttpsWithSSLFallback() {
    platform.assumeNotBouncyCastle()

    server.useHttps(handshakeCertificates.sslSocketFactory())
    server.enqueue(MockResponse.Builder().failHandshake().build())
    server.enqueue(MockResponse(body = "this response comes via SSL"))