use NetAddr::IP qw(Exclude);

my @r = (
	['10.0.0.0/8','10.0.0.0/9', [], ['10.128.0.0/9']],
	['10.0.0.0/8','10.0.0.0/8', [], []],
	['10.0.0.0/8','10.128.0.0/9', ['10.0.0.0/9'], []],
	['10.0.0.0/8','10.128.0.0/10', ['10.0.0.0/9'], ['10.192.0.0/10']],
	['10.0.0.0/8','10.0.0.0/32', [], ['10.0.0.1/32','10.0.0.2/31','10.0.0.4/30','10.0.0.8/29','10.0.0.16/28','10.0.0.32/27','10.0.0.64/26','10.0.0.128/25','10.0.1.0/24','10.0.2.0/23','10.0.4.0/22','10.0.8.0/21','10.0.16.0/20','10.0.32.0/19','10.0.64.0/18','10.0.128.0/17','10.1.0.0/16','10.2.0.0/15','10.4.0.0/14','10.8.0.0/13','10.16.0.0/12','10.32.0.0/11','10.64.0.0/10','10.128.0.0/9']],
	['192.168.0.0/24','192.168.0.255/32',['192.168.0.0/25','192.168.0.128/26','192.168.0.192/27','192.168.0.224/28','192.168.0.240/29','192.168.0.248/30','192.168.0.252/31','192.168.0.254/32'],[]],
	['192.168.0.0/23','192.168.0.127/32',['192.168.0.0/26','192.168.0.64/27','192.168.0.96/28','192.168.0.112/29','192.168.0.120/30','192.168.0.124/31','192.168.0.126/32'],['192.168.0.128/25','192.168.1.0/24']],
	['1.2.3.4/32','1.2.3.4/32',[],[]],
	['0.0.0.0/0','0.0.0.0/32',[],['0.0.0.1/32','0.0.0.2/31','0.0.0.4/30','0.0.0.8/29','0.0.0.16/28','0.0.0.32/27','0.0.0.64/26','0.0.0.128/25','0.0.1.0/24','0.0.2.0/23','0.0.4.0/22','0.0.8.0/21','0.0.16.0/20','0.0.32.0/19','0.0.64.0/18','0.0.128.0/17','0.1.0.0/16','0.2.0.0/15','0.4.0.0/14','0.8.0.0/13','0.16.0.0/12','0.32.0.0/11','0.64.0.0/10','0.128.0.0/9','1.0.0.0/8','2.0.0.0/7','4.0.0.0/6','8.0.0.0/5','16.0.0.0/4','32.0.0.0/3','64.0.0.0/2','128.0.0.0/1']],
);

print "1..9\n";

my $num = 0;
foreach my $case (@r) {
	$num++;
	my ($low, $up) = Exclude(NetAddr::IP->new($case->[0]), NetAddr::IP->new($case->[1]));
	my $ex_low = $case->[2];
	my $ex_up = $case->[3];

	unless (scalar(@$low) == scalar(@$ex_low) && scalar(@$up) == scalar(@$ex_up)) {
		print "not ok $num\n";
		next;
	}
	for (my $i=0; $i < @$low; $i++) {
		if (@$low[$i] != NetAddr::IP->new(@$ex_low[$i])) {
			print "not ok $num\n";
			next;
		}
	}
	for (my $i=0; $i < @$up; $i++) {
		if (@$up[$i] != NetAddr::IP->new(@$ex_up[$i])) {
			print "not ok $num\n";
			next;
		}
	}
	print "ok $num\n";
}