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#!/usr/bin/perl
# $Id: 02-IDN.t 1910 2023-03-30 19:16:30Z willem $ -*-perl-*-
#
use strict;
use warnings;
use Test::More;
use TestToolkit;
## vvv verbatim from Domain.pm
use constant ASCII => ref eval {
require Encode;
Encode::find_encoding('ascii');
};
use constant UTF8 => scalar eval { ## not UTF-EBCDIC [see UTR#16 3.6]
Encode::encode_utf8( chr(182) ) eq pack( 'H*', 'C2B6' );
};
use constant LIBIDN2 => defined eval { require Net::LibIDN2 };
use constant LIBIDN => LIBIDN2 ? undef : defined eval { require Net::LibIDN };
## ^^^ verbatim from Domain.pm
use constant LIBIDNOK => LIBIDN && scalar eval {
my $cn = pack( 'U*', 20013, 22269 );
Net::LibIDN::idn_to_ascii( $cn, 'utf-8' ) eq 'xn--fiqs8s';
};
use constant LIBIDN2OK => LIBIDN2 && scalar eval {
my $cn = pack( 'U*', 20013, 22269 );
Net::LibIDN2::idn2_to_ascii_8( $cn, 9 ) eq 'xn--fiqs8s';
};
my $codeword = unpack 'H*', '[|';
my %codename = (
'5b7c' => 'ASCII superset',
'ba4f' => 'EBCDIC cp37',
'ad4f' => 'EBCDIC cp1047',
'bb4f' => 'EBCDIC posix-bc'
);
my $encoding = $codename{lc $codeword} || "not recognised [$codeword]";
diag "character encoding: $encoding" unless $encoding =~ /ASCII/;
plan skip_all => 'Encode package not installed' unless eval { require Encode; };
plan skip_all => 'Encode: ASCII encoding not available' unless ASCII;
plan skip_all => 'Encode: UTF-8 encoding not available' unless UTF8;
plan skip_all => 'Net::LibIDN2 not installed' unless LIBIDN || LIBIDN2;
plan skip_all => 'Net::LibIDN not working' if LIBIDN && !LIBIDNOK;
plan skip_all => 'Net::LibIDN2 not working' if LIBIDN2 && !LIBIDN2OK;
plan tests => 12;
use_ok('Net::DNS::Domain');
my $a_label = 'xn--fiqs8s';
my $u_label = eval { pack( 'U*', 20013, 22269 ); };
is( Net::DNS::Domain->new($a_label)->name, $a_label, 'IDN A-label domain->name' );
is( Net::DNS::Domain->new($a_label)->fqdn, "$a_label.", 'IDN A-label domain->fqdn' );
is( Net::DNS::Domain->new($a_label)->string, "$a_label.", 'IDN A-label domain->string' );
is( Net::DNS::Domain->new($a_label)->xname, $u_label, 'IDN A-label domain->xname' );
is( Net::DNS::Domain->new($u_label)->name, $a_label, 'IDN U-label domain->name' );
is( Net::DNS::Domain->new($u_label)->fqdn, "$a_label.", 'IDN U-label domain->fqdn' );
is( Net::DNS::Domain->new($u_label)->string, "$a_label.", 'IDN U-label domain->string' );
is( Net::DNS::Domain->new($u_label)->xname, $u_label, 'IDN U-label domain->xname' );
is( Net::DNS::Domain->new($u_label)->xname, $u_label, 'IDN cached domain->xname' );
is( Net::DNS::Domain->new('xn--')->xname, 'xn--', 'IDN bogus domain->xname' );
exception( 'new(invalid name)', sub { Net::DNS::Domain->new( pack 'U*', 65533, 92, 48, 65533 ) } );
exit;
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