ipv4_2,
    )
  }

  @Test fun getHostString() {
    // Name proxy specification.
    var socketAddress = InetSocketAddress.createUnresolved("host", 1234)
    assertThat(socketAddress.socketHost).isEqualTo("host")
    socketAddress = InetSocketAddress.createUnresolved("127.0.0.1", 1234)
    assertThat(socketAddress.socketHost).isEqualTo("127.0.0.1")

    // InetAddress proxy specification.

      proxySelector = proxySelector,
    )

  fun newRoute(
    address: Address = newAddress(),
    proxy: Proxy = this.proxy,
    socketAddress: InetSocketAddress = InetSocketAddress.createUnresolved(uriHost, uriPort),
  ): Route =
    Route(
      address = address,
      proxy = proxy,
      socketAddress = socketAddress,
    )

  fun newChain(call: RealCall): RealInterceptorChain =

    // Define a single Proxy at myproxy:8008 that will artificially move during the test
    val proxySelector = RecordingProxySelector()
    val socketAddress = InetSocketAddress.createUnresolved("myproxy", 8008)
    proxySelector.proxies.add(Proxy(Proxy.Type.HTTP, socketAddress))

    // Define two host names for the DNS routing of fake proxy servers

      throw SocketException("No route to $socketHost:$socketPort; port is out of range")
    }

    if (proxy.type() == Proxy.Type.SOCKS) {
      mutableInetSocketAddresses += InetSocketAddress.createUnresolved(socketHost, socketPort)
    } else {
      val addresses =
        if (socketHost.canParseAsIpAddress()) {
          listOf(InetAddress.getByName(socketHost))
        } else {

          .build(),
      )
    val response = call.execute()
    assertThat(response.code).isEqualTo(200)
    response.body.close()
    val expectedAddress =
      InetSocketAddress.createUnresolved(
        SocksProxy.HOSTNAME_THAT_ONLY_THE_PROXY_KNOWS,
        server.port,
      )
    val connectStart = eventRecorder.removeUpToEvent<ConnectStart>()
    assertThat(connectStart.call).isSameAs(call)