#! perl -T
use strict;
use warnings;
use Test::More tests => 5;
SKIP: {
    my (
        $old_dq, $old_num, $old_vld, $old_nvd, $old_msk, $old_hn, $old_dn,
        $new_dq, $new_num, $new_vld, $new_nvd, $new_msk, $new_hn, $new_dn,
    );
    my $std_dq  = '192.168.0.1';
    my $std_num = 3232235521;
    my $std_msk = '192.168.0.0';
    my $std_vld = 1;
    my $std_nvd = 0;
    my $std_fqdn = 'www.cpan.org';
    my $std_hn   = 'www';
    my $std_dn   = 'cpan.org';
    {
        eval "require Net::IPAddress";
        skip("Net::IPAddress cannot be loaded for compatibility testing", 5) if $@;
        $old_num = Net::IPAddress::ip2num($std_dq);
        $old_dq  = Net::IPAddress::num2ip($std_num);
        $old_vld = Net::IPAddress::validaddr($std_dq) || 0;
        $old_nvd = Net::IPAddress::validaddr('foo')   || 0;
        $old_msk = Net::IPAddress::mask($std_dq, '255.255.255.0');
        ($old_hn, $old_dn) = Net::IPAddress::fqdn($std_fqdn);
    }
    diag('Some deprecation warnings here are normal');
    {
        eval "require Net::IPAddress::Util";
        $new_num = Net::IPAddress::Util::ip2num($std_dq);
        $new_dq  = Net::IPAddress::Util::num2ip($std_num);
        $new_vld = Net::IPAddress::Util::validaddr($std_dq) || 0;
        $new_nvd = Net::IPAddress::Util::validaddr('foo')   || 0;
        $new_msk = Net::IPAddress::Util::mask($std_dq, '255.255.255.0');
        ($new_hn, $new_dn) = Net::IPAddress::Util::fqdn($std_fqdn);
    };
    ok($old_num   ==  $new_num  && $new_num   == $std_num  , 'ip2num()');
    ok("$old_dq"  eq "$new_dq"  && "$new_dq"  eq "$std_dq" , 'num2ip()');
    ok($old_vld   ==  $new_vld  && $old_nvd   == $new_nvd  , 'validaddr()');
    ok("$old_msk" eq "$new_msk" && "$new_msk" eq "$std_msk", 'mask()');
    ok("$old_hn"  eq "$new_hn"  && "$old_dn"  eq "$new_dn" , 'fqdn()');
}