package dnsxl

import (
	"net"
	"testing"
)

func TestReverseName(t *testing.T) {
	for _, x := range [][2]string{
		{"1.2.3.4", "4.3.2.1"},
		{"127.0.0.1", "1.0.0.127"},
		{"192.168.11.12", "12.11.168.192"},
		{"2001:8b0:8b0::1", "1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.b.8.0.0.b.8.0.1.0.0.2"},
	} {
		ip := net.ParseIP(x[0])
		r := reverseName(ip)
		if r != x[1] {
			t.Errorf("for IP %s [parsed from %s]: got reversed name %q but expected %q",
				ip, x[0], r, x[1])
		}
	}
}