Android 10. Android uses reflection to look up a magic `checkServerTrusted()` method and we
    didn't have it.
 *  Fix: Explicitly specify the remote server name when making HTTPS connections on Android 5. In
    4.3.0 we introduced a regression where server name indication (SNI) was broken on Android 5.


## Version 4.3.0

_2019-12-31_

   * `allocations.size() < allocationLimit` then new streams can be created on this connection.
   */
  internal var allocationLimit = 1
    private set

  /** Current calls carried by this connection. */
  val calls = mutableListOf<Reference<RealCall>>()

  /** Timestamp when `allocations.size()` reached zero. Also assigned upon initial connection. */

  private lateinit var server: MockWebServer
  private val handshakeCertificates = platform.localhostHandshakeCertificates()
  private var client: OkHttpClient = clientTestRule.newClient()

  @BeforeEach
  fun setUp(server: MockWebServer) {
    this.server = server
  }

  @Test
  fun connectionsAreReused() {
    server.enqueue(MockResponse(body = "a"))
    server.enqueue(MockResponse(body = "b"))

  }

  @Test
  fun shutdownWithoutStart() {
    val server = MockWebServer()
    server.shutdown()
  }

  @Test
  fun closeViaClosable() {
    val server: Closeable = MockWebServer()
    server.close()
  }

  @Test
  fun shutdownWithoutEnqueue() {
    val server = MockWebServer()
    server.start()
    server.shutdown()
  }

  @Test
  fun portImplicitlyStarts() {

  private lateinit var server: MockWebServer
  private lateinit var client: OkHttpClient
  private lateinit var rootCa: HeldCertificate
  private lateinit var certificate: HeldCertificate
  private val dns = FakeDns()
  private lateinit var url: HttpUrl
  private lateinit var serverIps: List<InetAddress>

  @BeforeEach
  fun setUp(server: MockWebServer) {
    this.server = server
    platform.assumeHttp2Support()

  @RegisterExtension
  var platform = PlatformRule()

  @RegisterExtension
  var clientTestRule = OkHttpClientTestRule()

  private lateinit var server: MockWebServer

  @BeforeEach
  fun setup(server: MockWebServer) {
    this.server = server
    platform.assumeNotBouncyCastle()
  }

  /**
   * The pinner should pull the root certificate from the trust manager.
   */
  @Test

    server = MockWebServer()
    server.serverSocketFactory =
      object : DelegatingServerSocketFactory(ServerSocketFactory.getDefault()) {
        @Throws(IOException::class)
        override fun configureServerSocket(serverSocket: ServerSocket): ServerSocket {
          serverSocket.receiveBufferSize = SOCKET_BUFFER_SIZE
          return serverSocket
        }

              if (!response.isSuccessful()) throw new IOException("Unexpected code " + response);

              Headers responseHeaders = response.headers();
              for (int i = 0, size = responseHeaders.size(); i < size; i++) {
                System.out.println(responseHeaders.name(i) + ": " + responseHeaders.value(i));
              }

              System.out.println(responseBody.string());
            }

        CipherSuite.TLS_RSA_WITH_AES_256_CBC_SHA,
        CipherSuite.TLS_RSA_WITH_3DES_EDE_CBC_SHA,
      )

    /** A secure TLS connection that requires a recent client platform and a recent server. */
    @JvmField
    val RESTRICTED_TLS =
      Builder(true)
        .cipherSuites(*RESTRICTED_CIPHER_SUITES.toTypedArray())
        .tlsVersions(TlsVersion.TLS_1_3, TlsVersion.TLS_1_2)

        throw IOException("response: " + response.code + " " + response.message)
      }

      val body = response.body

      if (body.contentLength() > MAX_RESPONSE_SIZE) {
        throw IOException(
          "response size exceeds limit ($MAX_RESPONSE_SIZE bytes): ${body.contentLength()} bytes",
        )
      }

      val responseBytes = body.source().readByteString()