val sameHost = address.url.host
        val differentPort = address.url.port + 1
        chain.proceed(
          chain.request().newBuilder()
            .url("http://$sameHost:$differentPort/")
            .build(),
        )
      }
    client =
      client.newBuilder()
        .addNetworkInterceptor(interceptor)
        .build()
    val request =
      Request.Builder()
        .url(server.url("/"))

    val differentDnsUrl = url.newBuilder().host("differentdns.com").build()
    assertFailsWith<IOException> {
      execute(differentDnsUrl)
    }
  }

  @Test
  fun skipsOnRedirectWhenDnsDontMatch() {
    server.enqueue(
      MockResponse.Builder()
        .code(301)
        .addHeader("Location", url.newBuilder().host("differentdns.com").build())
        .build(),
    )

  private fun enableProtocol(protocol: Protocol) {
    enableTls()
    client =
      client.newBuilder()
        .protocols(listOf(protocol, Protocol.HTTP_1_1))
        .build()
    server1.protocols = client.protocols
    server2.protocols = client.protocols
  }

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

        .build().also {
          listener.satisfactionFailure(call, it)
        }
    }

    // If we don't need the network, we're done.
    if (networkRequest == null) {
      return cacheResponse!!.newBuilder()
        .cacheResponse(cacheResponse.stripBody())
        .build().also {
          listener.cacheHit(call, it)
        }
    }

    if (cacheResponse != null) {

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

  @Test
  fun testNetscapeResponse() {
    val cookieManager = CookieManager(null, CookiePolicy.ACCEPT_ORIGINAL_SERVER)
    client =
      client.newBuilder()
        .cookieJar(JavaNetCookieJar(cookieManager))
        .build()
    val urlWithIpAddress = urlWithIpAddress(server, "/path/foo")
    server.enqueue(
      MockResponse.Builder()
        .addHeader(

  }

  @Test
  fun testDnsOverHttps() {
    assumeNetwork()

    client =
      client.newBuilder()
        .eventListenerFactory(clientTestRule.wrap(LoggingEventListener.Factory()))
        .build()

    val dohDns = buildCloudflareIp(client)
    val dohEnabledClient =
      client.newBuilder().eventListener(EventListener.NONE).dns(dohDns).build()

    dohEnabledClient.get("https://www.twitter.com/robots.txt")

    val request = Request(server.url("/"))
    assertConnectionNotReused(request, request)
  }

  @Test
  fun connectionsAreNotReusedIfPoolIsSizeZero() {
    client =
      client.newBuilder()
        .connectionPool(ConnectionPool(0, 5, TimeUnit.SECONDS))
        .build()
    server.enqueue(MockResponse(body = "a"))
    server.enqueue(MockResponse(body = "b"))
    val request = Request(server.url("/"))

      client.newBuilder()
        .dns { listOf() }
        .build()
        .routeDatabase,
    )
    assertNotSame(
      client.routeDatabase,
      client.newBuilder()
        .proxyAuthenticator { _: Route?, _: Response? -> null }
        .build()
        .routeDatabase,
    )
    assertNotSame(
      client.routeDatabase,
      client.newBuilder()

  // 4. successful stale cached GET response
  // 5. unsuccessful response
  @Test
  fun usesCache() {
    val cache = Cache(cacheFs, "cache".toPath(), (100 * 1024).toLong())
    val cachedClient = bootstrapClient.newBuilder().cache(cache).build()
    val cachedDns = buildLocalhost(cachedClient, false)

    repeat(2) {
      server.enqueue(
        dnsResponse(

      "Request header not permitted: 'Sec-WebSocket-Extensions'",
    )
  }

  @Test
  fun webSocketAndApplicationInterceptors() {
    val interceptedCount = AtomicInteger()
    client =
      client.newBuilder()
        .addInterceptor(
          Interceptor { chain: Interceptor.Chain ->
            assertThat(chain.request().body).isNull()
            val response = chain.proceed(chain.request())