private val headers: Headers = Headers.EMPTY

  @Test fun testIPv4() {
    val socket =
      MockWebServerSocket(
        FakeSocket(
          localAddress = InetAddress.getByAddress("127.0.0.1", byteArrayOf(127, 0, 0, 1)),
          localPort = 80,
        ),
      )
    val request = RecordedRequest(DEFAULT_REQUEST_LINE_HTTP_1, headers, emptyList(), 0, ByteString.EMPTY, 0, 0, socket)

    requestBody = ByteString.EMPTY.toRequestBody("".toMediaTypeOrNull())
    requestBody = byteArrayOf(0, 1).toRequestBody(null, 0, 2)
    requestBody = byteArrayOf(0, 1).toRequestBody("".toMediaTypeOrNull(), 0, 2)
    requestBody = byteArrayOf(0, 1).toRequestBody(null, 0, 2)
    requestBody = byteArrayOf(0, 1).toRequestBody("".toMediaTypeOrNull(), 0, 2)
    requestBody = File("").asRequestBody(null)

    // Define two host names for the DNS routing of fake proxy servers
    val proxyServer1 = InetAddress.getByAddress("proxyServer1", byteArrayOf(127, 0, 0, 2))
    val proxyServer2 = InetAddress.getByAddress("proxyServer2", byteArrayOf(127, 0, 0, 3))

    println("Proxy Server 1 is ${server1.socketAddress}")
    println("Proxy Server 2 is ${server2.socketAddress}")

    assertThat(socketAddress.socketHost).isEqualTo("127.0.0.1")
    socketAddress = InetSocketAddress(InetAddress.getByAddress(byteArrayOf(127, 0, 0, 1)), 1234)
    assertThat(socketAddress.socketHost).isEqualTo("127.0.0.1")
    socketAddress =
      InetSocketAddress(
        InetAddress.getByAddress("foobar", byteArrayOf(127, 0, 0, 1)),
        1234,
      )
    assertThat(socketAddress.socketHost).isEqualTo("127.0.0.1")
  }

    }
  }

  @Test
  fun startIsIdempotentIfAddressIsConsistent() {
    val other = MockWebServer()
    val addressA = InetAddress.getByAddress("localhost", byteArrayOf(127, 0, 0, 1))
    val addressB = InetAddress.getByAddress("localhost", byteArrayOf(127, 0, 0, 2))
    other.use {
      other.start(addressA, 0)

      // Same address is okay.
      other.start(addressA, 0)

        .build()
    assert200Http2Response(execute(url), server.hostName)
    val sanUrl = url.newBuilder().host("san.com").build()
    dns["san.com"] =
      Arrays.asList(
        InetAddress.getByAddress("san.com", byteArrayOf(0, 0, 0, 0)),
        serverIps[0],
      )
    assert200Http2Response(execute(sanUrl), "san.com")
    assertThat(client.connectionPool.connectionCount()).isEqualTo(1)
    assertThat(connectCount.get()).isEqualTo(1)