# $Id: 31-NSEC-typelist.t 1360 2015-06-15 09:58:53Z willem $ -*-perl-*-
#
use strict;
use Test::More;
use Net::DNS;
use Net::DNS::Parameters;
my @prerequisite = qw(
Net::DNS::RR::NSEC;
Net::DNS::DomainName;
);
foreach my $package (@prerequisite) {
next if eval "require $package";
plan skip_all => "$package not installed";
exit;
}
plan tests => 79;
my $rr = new Net::DNS::RR(
type => 'NSEC',
nxtdname => 'irrelevant',
);
foreach my $rrtype ( 0, 256, 512, 768, 1024 ) {
my $type = typebyval($rrtype);
$rr->typelist($type);
my $rdata = $rr->rdata;
my ( $name, $offset ) = decode Net::DNS::DomainName( \$rdata );
my ( $w, $l, $bitmap ) = unpack "\@$offset CCa*", $rdata;
is( $w, $rrtype >> 8, "expected window number for $type" );
}
foreach my $rrtype ( 0, 7, 8, 15, 16, 23, 24, 31, 32, 39 ) {
my $type = typebyval($rrtype);
$rr->typelist($type);
my $rdata = $rr->rdata;
my ( $name, $offset ) = decode Net::DNS::DomainName( \$rdata );
my ( $w, $l, $bitmap ) = unpack "\@$offset CCa*", $rdata;
is( $l, 1 + ( $rrtype >> 3 ), "expected map length for $type" );
}
foreach my $rrtype ( 0 .. 40, 42 .. 64 ) {
my $type = typebyval($rrtype);
$rr->typelist($type);
my $rdata = $rr->rdata;
my ( $name, $offset ) = decode Net::DNS::DomainName( \$rdata );
my ( $w, $l, $bitmap ) = unpack "\@$offset CCa*", $rdata;
my $last = unpack 'C', reverse $bitmap;
is( $last, ( 0x80 >> ( $rrtype % 8 ) ), "expected map bit for $type" );
}
exit;
__END__