factory.close()
  }

  @Test @Disabled
  fun address() {
    val address: Address = factory.newAddress()
    val url: HttpUrl = address.url()
    val dns: Dns = address.dns()
    val socketFactory: SocketFactory = address.socketFactory()
    val proxyAuthenticator: Authenticator = address.proxyAuthenticator()
    val protocols: List<Protocol> = address.protocols()

  private fun connectTls(
    sslSocket: SSLSocket,
    connectionSpec: ConnectionSpec,
  ) {
    val address = route.address
    var success = false
    try {
      if (connectionSpec.supportsTlsExtensions) {
        Platform.get().configureTlsExtensions(sslSocket, address.url.host, address.protocols)
      }

      // Force handshake. This can throw!
      sslSocket.startHandshake()

When you request a URL with OkHttp, here's what it does:

 1. It uses the URL and configured OkHttpClient to create an **address**. This address specifies how we'll connect to the webserver.
 2. It attempts to retrieve a connection with that address from the **connection pool**.

      ),
    )
    dns = buildLocalhost(bootstrapClient, true)
    val result = dns.lookup("google.com")
    assertThat(result.size).isEqualTo(2)
    assertThat(result).contains(address("157.240.1.18"))
    assertThat(result).contains(address("2a03:2880:f029:11:face:b00c:0:2"))
    val request1 = server.takeRequest()
    assertThat(request1.method).isEqualTo("GET")
    val request2 = server.takeRequest()

/**
 * A [SocketFactory] that redirects connections to [defaultAddress] or specific overridden address via [set].
 */
class SpecificHostSocketFactory(
  val defaultAddress: InetSocketAddress?,
) : DelegatingSocketFactory(getDefault()) {
  private val hostMapping = mutableMapOf<InetAddress, InetSocketAddress>()

  /** Sets the [real] address for [requested].  */
  operator fun set(
    requested: InetAddress,
    real: InetSocketAddress,

  //
  if (b != address.size) {
    if (compress == -1) return null // Address didn't have compression or enough groups.
    address.copyInto(address, address.size - (b - compress), compress, b)
    address.fill(0.toByte(), compress, compress + (address.size - b))
  }

  return address
}

/** Decodes an IPv4 address suffix of an IPv6 address, like 1111::5555:6666:192.168.0.1. */

# This file is distinct from the CONTRIBUTORS files.
# See the latter for an explanation.

# Names should be added to this file as:
# Name or Organization <email address>
# The email address is not required for organizations.

Google Inc.
Yuan Tang <******@****.***>

    return deferredPlans.isNotEmpty() || nextPlanIndex < plans.size || autoGeneratePlans
  }

  override fun sameHostAndPort(url: HttpUrl): Boolean {
    return url.host == address.url.host && url.port == address.url.port
  }

  override fun close() {
    factory.close()
  }

  inner class FakePlan(
    val id: Int,
  ) : RoutePlanner.Plan {
    var planningThrowable: Throwable? = null

    dnsResults =
      listOf(
        localhostIpv4,
        localhostIpv6,
        TestUtil.UNREACHABLE_ADDRESS_IPV4.address,
      )
    serverIpv4.protocols = listOf(Protocol.H2_PRIOR_KNOWLEDGE)
    serverIpv6.protocols = listOf(Protocol.H2_PRIOR_KNOWLEDGE)

    // Yield the first IP address so the second IP address completes first.
    val firstConnectLatch = CountDownLatch(1)
    val socketFactory =

    }
  }

  /** Open connections to [address], if required by the address policy. */
  fun scheduleOpener(address: Address) {
    addressStates[address]?.scheduleOpener()
  }

  fun scheduleCloser() {
    cleanupQueue.schedule(cleanupTask)
  }

  /**
   * Ensure enough connections open to [address] to satisfy its [ConnectionPool.AddressPolicy].