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https://github.com/YunoHost-Apps/mediawiki_ynh.git
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102 lines
2.9 KiB
PHP
102 lines
2.9 KiB
PHP
<?php
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/**
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* Test feeds random 16-byte strings to both the pure PHP and ICU-based
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* UtfNormal::cleanUp() code paths, and checks to see if there's a
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* difference. Will run forever until it finds one or you kill it.
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*
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* Copyright (C) 2004 Brion Vibber <brion@pobox.com>
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* http://www.mediawiki.org/
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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* @file
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* @ingroup UtfNormal
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*/
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if( PHP_SAPI != 'cli' ) {
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die( "Run me from the command line please.\n" );
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}
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/** */
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require_once 'UtfNormal.php';
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require_once '../diff/DifferenceEngine.php';
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dl( 'php_utfnormal.so' );
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# mt_srand( 99999 );
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function randomString( $length, $nullOk, $ascii = false ) {
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$out = '';
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for( $i = 0; $i < $length; $i++ )
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$out .= chr( mt_rand( $nullOk ? 0 : 1, $ascii ? 127 : 255 ) );
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return $out;
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}
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/* Duplicate of the cleanUp() path for ICU usage */
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function donorm( $str ) {
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# We exclude a few chars that ICU would not.
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$str = preg_replace( '/[\x00-\x08\x0b\x0c\x0e-\x1f]/', UTF8_REPLACEMENT, $str );
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$str = str_replace( UTF8_FFFE, UTF8_REPLACEMENT, $str );
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$str = str_replace( UTF8_FFFF, UTF8_REPLACEMENT, $str );
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# UnicodeString constructor fails if the string ends with a head byte.
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# Add a junk char at the end, we'll strip it off
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return rtrim( utf8_normalize( $str . "\x01", UtfNormal::UNORM_NFC ), "\x01" );
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}
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function showDiffs( $a, $b ) {
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$ota = explode( "\n", str_replace( "\r\n", "\n", $a ) );
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$nta = explode( "\n", str_replace( "\r\n", "\n", $b ) );
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$diffs = new Diff( $ota, $nta );
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$formatter = new TableDiffFormatter();
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$funky = $formatter->format( $diffs );
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$matches = array();
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preg_match_all( '/<(?:ins|del) class="diffchange">(.*?)<\/(?:ins|del)>/', $funky, $matches );
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foreach( $matches[1] as $bit ) {
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$hex = bin2hex( $bit );
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echo "\t$hex\n";
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}
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}
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$size = 16;
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$n = 0;
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while( true ) {
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$n++;
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echo "$n\n";
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$str = randomString( $size, true);
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$clean = UtfNormal::cleanUp( $str );
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$norm = donorm( $str );
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echo strlen( $clean ) . ", " . strlen( $norm );
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if( $clean == $norm ) {
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echo " (match)\n";
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} else {
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echo " (FAIL)\n";
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echo "\traw: " . bin2hex( $str ) . "\n" .
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"\tphp: " . bin2hex( $clean ) . "\n" .
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"\ticu: " . bin2hex( $norm ) . "\n";
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echo "\n\tdiffs:\n";
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showDiffs( $clean, $norm );
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die();
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}
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$str = '';
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$clean = '';
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$norm = '';
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}
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