}

  private class FakeSocket(
    private val localAddress: InetAddress,
    private val localPort: Int,
    private val remoteAddress: InetAddress = localAddress,
    private val remotePort: Int = 1234,
  ) : Socket() {
    override fun getInetAddress() = remoteAddress

    override fun getLocalAddress() = localAddress

    override fun getLocalPort() = localPort

    override fun getPort() = remotePort
  }