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#!/usr/bin/perl
use strict;
use warnings;
no warnings 'syntax';
use Regexp::Common;
use Test::More;
my $r = eval "require Test::Regexp; 1";
unless ($r) {
print "1..0 # SKIP Test::Regexp not found\n";
exit;
}
my $Test = Test::Regexp:: -> new -> init (
pattern => $RE {net} {IPv4} {strict},
keep_pattern => $RE {net} {IPv4} {strict} {-keep},
name => "Strict IPv4 addresses",
);
foreach my $number (0 .. 999) {
my $address = "$number.$number.$number.$number";
if ($number < 256) {
$Test -> match ($address,
[$address, $number, $number, $number, $number],
test => "Accept number $number");
if ($number < 10) {
my $address = sprintf "%d.%d.%02d.%d" => ($number) x 4;
$Test -> no_match ($address, reason => "Leading 0 not allowed");
}
if ($number < 100) {
my $address = sprintf "%d.%03d.%d.%d" => ($number) x 4;
$Test -> no_match ($address, reason => "Leading 0 not allowed");
}
}
else {
$Test -> no_match ($address, reason => "Number exceeds 256");
}
}
$Test -> no_match ("1.2.3.4.5", reason => "To many octets");
$Test -> no_match ("1.2.3", reason => "No enough octets");
$Test -> no_match ("12.34.ab.56", reason => "Non numbers in octets");
$Test -> no_match ("1.1234.2.3", reason => "Too many digits in octet");
$Test -> no_match ("12:34:45:67", reason => "Incorrect separator");
$Test -> no_match ("+12.34.56.78", reason => "Garbage before address");
$Test -> no_match ("12.34.56.78 ", reason => "Garbage after address");
done_testing;
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