use NetAddr::IP::Lite;
my $nets = {
'10.0.0.0/20' => [ 167772160, 4294963200 ],
'10.0.15.0/24' => [ 167776000, 4294967040 ],
'192.168.0.0/24' => [ 3232235520, 4294967040],
'broadcast' => [ 4294967295, 4294967295],
'default' => [ 0, 0 ],
};
$| = 1;
print "1..", 4 * (scalar keys %$nets), "\n";
my $count = 1;
for my $a (keys %$nets) {
my $ip = new NetAddr::IP::Lite $a;
my ($addr, $mask) = $ip->numeric;
my $nip = new NetAddr::IP::Lite $addr, $mask;
print '', ($nip ? '' : 'not '), 'ok ', $count++, "\n";
print '', ($nip and $nip->cidr eq $ip->cidr) ? '' : 'not ',
'ok ', $count ++, "\n";
print '', (($addr != $nets->{$a}->[0] ? 'not ' : ''),
"ok ", $count++, "\n");
print '', (($mask != $nets->{$a}->[1] ? 'not ' : ''),
"ok ", $count++, "\n");
}