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# $Id: 05-NAPTR.t 1362 2015-06-23 08:47:14Z willem $	-*-perl-*-

use strict;
use Test::More tests => 23;


use Net::DNS;


my $name = '2.1.2.1.5.5.5.0.7.7.1.e164.arpa.';
my $type = 'NAPTR';
my $code = 35;
my @attr = qw( order preference flags service regexp replacement );
my @data = qw( 100 10 u sip+E2U !^.*$!sip:information@foo.se!i . );
my @also = qw( );

my $wire = '0064000a0175077369702b4532551e215e2e2a24217369703a696e666f726d6174696f6e40666f6f2e7365216900';


{
	my $typecode = unpack 'xn', new Net::DNS::RR(". $type")->encode;
	is( $typecode, $code, "$type RR type code = $code" );

	my $hash = {};
	@{$hash}{@attr} = @data;

	my $rr = new Net::DNS::RR(
		name => $name,
		type => $type,
		%$hash
		);

	my $string = $rr->string;
	my $rr2	   = new Net::DNS::RR($string);
	is( $rr2->string, $string, 'new/string transparent' );

	is( $rr2->encode, $rr->encode, 'new($string) and new(%hash) equivalent' );

	foreach (@attr) {
		is( $rr->$_, $hash->{$_}, "expected result from rr->$_()" );
	}

	foreach (@also) {
		is( $rr2->$_, $rr->$_, "additional attribute rr->$_()" );
	}


	my $null    = new Net::DNS::RR("$name NULL")->encode;
	my $empty   = new Net::DNS::RR("$name $type")->encode;
	my $rxbin   = decode Net::DNS::RR( \$empty )->encode;
	my $txtext  = new Net::DNS::RR("$name $type")->string;
	my $rxtext  = new Net::DNS::RR($txtext)->encode;
	my $encoded = $rr->encode;
	my $decoded = decode Net::DNS::RR( \$encoded );
	my $hex1    = unpack 'H*', $encoded;
	my $hex2    = unpack 'H*', $decoded->encode;
	my $hex3    = unpack 'H*', substr( $encoded, length $null );
	is( $hex2,	     $hex1,	    'encode/decode transparent' );
	is( $hex3,	     $wire,	    'encoded RDATA matches example' );
	is( length($empty),  length($null), 'encoded RDATA can be empty' );
	is( length($rxbin),  length($null), 'decoded RDATA can be empty' );
	is( length($rxtext), length($null), 'string RDATA can be empty' );
}


{
	my $lc		= new Net::DNS::RR('. NAPTR 100 50 "s" "http+N2L+N2C+N2R" "" www.example.com.');
	my $rr		= new Net::DNS::RR('. NAPTR 100 50 "s" "http+N2L+N2C+N2R" "" WWW.EXAMPLE.COM.');
	my $hash	= {};
	my $predecessor = $rr->encode( 0, $hash );
	my $compressed	= $rr->encode( length $predecessor, $hash );
	ok( length $compressed == length $predecessor, 'encoded RDATA not compressible' );
	isnt( $rr->encode, $lc->encode, 'encoded RDATA names not downcased' );
	is( $rr->canonical, $lc->encode, 'canonical RDATA names downcased' );
}


{
	my $rr = new Net::DNS::RR(". $type");
	foreach (@attr) {
		ok( !$rr->$_(), "'$_' attribute of empty RR undefined" );
	}
}


exit;

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