#!/bin/bash

set -e

EXPECTED="table ip nat {
       map ipportmap {
                type ipv4_addr : interval ipv4_addr . inet_service
                flags interval
                elements = { 192.168.1.2 : 10.141.10.1-10.141.10.3 . 8888-8999 }
       }
       chain prerouting {
                type nat hook prerouting priority dstnat; policy accept;
                ip protocol tcp dnat ip to ip saddr map @ipportmap
       }
}"

$NFT -f - <<< $EXPECTED
$NFT add element ip nat ipportmap { 192.168.2.0/24 : 10.141.11.5-10.141.11.20 . 8888-8999 }

EXPECTED="table ip nat {
        map ipportmap2 {
                type ipv4_addr . ipv4_addr : interval ipv4_addr . inet_service
                flags interval
                elements = { 192.168.1.2 . 192.168.2.2 : 127.0.0.1/8  . 42 - 43 }
        }

        chain prerouting {
                type nat hook prerouting priority dstnat; policy accept;
                ip protocol tcp dnat ip to ip saddr . ip daddr map @ipportmap2
        }
}"

$NFT -f - <<< $EXPECTED