/**
     * Retrieve all addresses of a host by it's address. NetBIOS hosts can
     * have many names for a given IP address. The name and IP address make the
     * NetBIOS address. This provides a way to retrieve the other names for a
     * host with the same IP address.
     *
     * @param host
     *            hostname to lookup all addresses for
     * @return resolved addresses
     * @throws java.net.UnknownHostException

/**
 * Implementation of HappyEyeballs Sorting Addresses.
 *
 * The current implementation does not address any of:
 *  - Async DNS split by IP class
 *  - Stateful handling of connectivity results
 *  - The prioritisation of addresses
 *
 * https://datatracker.ietf.org/doc/html/rfc8305#section-4
 */
internal fun reorderForHappyEyeballs(addresses: List<InetAddress>): List<InetAddress> {
  if (addresses.size < 2) {
    return addresses
  }

        loc.share = this.share;
        loc.dfsReferral = this.dfsReferral;
        loc.unc = this.unc;
        if (this.addresses != null) {
            loc.addresses = new UniAddress[this.addresses.length];
            System.arraycopy(this.addresses, 0, loc.addresses, 0, this.addresses.length);
        }
        loc.addressIndex = this.addressIndex;
        loc.type = this.type;
        return loc;
    }

        assertNotNull(address, "Should return address for IP address");
        assertEquals("127.0.0.1", address.getHostAddress(), "Should return correct IP address");
    }

    @Test
    @DisplayName("Should get all addresses by name")
    void testGetAllByName() throws UnknownHostException {
        // When
        Address[] addresses = nameServiceClient.getAllByName("localhost", false);

        // Then

        NbtAddress[] addresses = (NbtAddress[]) addressArrayField.get(response);
        assertEquals(numNames, addresses.length);

        // Verify each address has correct data
        for (int i = 0; i < numNames; i++) {
            assertNotNull(addresses[i]);
            assertTrue(addresses[i].isActive);
            assertFalse(addresses[i].groupName);
        }
    }

    @Test

        /**
         * Get the list of IP addresses for IP change notifications
         *
         * @return list of IP addresses
         */
        public List<String> getIpAddresses() {
            return ipAddresses;
        }

        /**
         * Sets the list of IP addresses for IP change notifications.
         *
         * @param ipAddresses the list of new IP addresses available for the witness service
         */

         * Creates a new witness IP address.
         *
         * @param address the IP address
         */
        public WitnessIPAddress(InetAddress address) {
            this.address = address;
            this.flags = address.getAddress().length == 4 ? IPV4 : IPV6;
        }

        /**
         * Gets the IP address.
         *
         * @return the IP address
         */
        public InetAddress getAddress() {

     *
     * @return the resolved host name, or the host address if it could not be resolved
     */
    String getHostName();

    /**
     * Return the IP address as text such as "192.168.1.15".
     *
     * @return the ip address
     */
    String getHostAddress();

    /**
     * Converts this address to an InetAddress.
     *
     * @return this address as an InetAddress

     */
    public IdnDnsResolver() {
        super();
    }

    /**
     * Resolves the given host name to an array of IP addresses.
     * The host name is first converted to ASCII using IDN before resolution.
     *
     * @param host the host name to resolve
     * @return an array of IP addresses for the host
     * @throws UnknownHostException if the host name cannot be resolved
     */
    @Override

  companion object {
    /**
     * A network that resolves only one IP address per host. Use this when testing route selection
     * fallbacks to prevent the host machine's various IP addresses from interfering.
     */
    private val SINGLE_INET_ADDRESS_DNS =
      Dns { hostname ->
        val addresses = Dns.SYSTEM.lookup(hostname)
        listOf(addresses[0])
      }