use NetAddr::IP::Lite; my @addr = ('10.0.0.0/8', '192.168.0.0/16', '127.0.0.1/32'); $| = 1; print "1..", 5 * scalar @addr, "\n"; my $count = 1; for my $a (@addr) { my $ip = new NetAddr::IP::Lite $a; if ($a eq "$ip") { print "ok $count\n"; } else { print "not ok $count\n"; } ++ $count; if ($a eq $ip) { print "ok $count\n"; } else { print "not ok $count\n"; } ++ $count; if ($ip eq $a) { print "ok $count\n"; } else { print "not ok $count\n"; } ++ $count; if ($ip eq $ip) { print "ok $count\n"; } else { print "not ok $count\n"; } ++ $count; if ($ip == $ip) { print "ok $count\n"; } else { print "not ok $count\n"; } ++ $count; }