public void GetLastHostAddress_HostAddress()
        {
            // arrange
            var    inputAdr       = new Ipv4Address(192, 168, 0, 1);
            ushort networkPortion = 26;
            var    expected       = new Ipv4Address(192, 168, 0, 62);

            // act
            var result = _manager.GetLastHostAddress(inputAdr, networkPortion);

            // assert
            Assert.NotNull(result);
            Assert.True(expected.ToDecimal().SequenceEqual(result.ToDecimal()));
        }
        public string GetFullNetworkData()
        {
            var(address, networkPortion) = GetAddressAndValidNetworkPortion();
            var isValid          = Utils.IsLegalHostAddress(address, networkPortion);
            var addressType      = Utils.GetAddressRange(address);
            var networkAddress   = NetworkManager.GetNetworkAddress(address, networkPortion);
            var broadcastAddress = NetworkManager.GetBroadcastAddress(address, networkPortion);
            var firstHost        = NetworkManager.GetFirstHostAddress(address, networkPortion);
            var lastHost         = NetworkManager.GetLastHostAddress(address, networkPortion);
            var classOfAddress   = ClassManager.GetClass(address);
            var possibleSubnets  = ClassManager.PossibleSubnetCount(classOfAddress, networkPortion);
            var possibleHosts    = ClassManager.PossibleHostsCount(classOfAddress, networkPortion);
            var sb = new StringBuilder();

            sb.AppendLine();
            sb.AppendLine("=================== Full Network Data ===================");
            sb.AppendLine(isValid ? "Host Address," : "Special Address,");
            sb.AppendLine("Address type: " + addressType.Type());
            sb.AppendLine("Network address: " + networkAddress.ToDecimalString());
            sb.AppendLine("Broadcast address: " + broadcastAddress.ToDecimalString());
            sb.AppendLine("First Host address: " + firstHost.ToDecimalString());
            sb.AppendLine("Last Host address: " + lastHost.ToDecimalString());
            sb.AppendLine("Possible Subnets Count: " + possibleSubnets);
            sb.AppendLine("Possible Hosts Count: " + possibleHosts);
            sb.AppendLine("=========================================================");
            return(sb.ToString());
        }