MediaWiki  1.23.14
RandomTest.php
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1 <?php
29 if( PHP_SAPI != 'cli' ) {
30  die( "Run me from the command line please.\n" );
31 }
32 
34 require_once 'UtfNormal.php';
35 require_once '../diff/DifferenceEngine.php';
36 
37 dl( 'php_utfnormal.so' );
38 
39 # mt_srand( 99999 );
40 
41 function randomString( $length, $nullOk, $ascii = false ) {
42  $out = '';
43  for( $i = 0; $i < $length; $i++ )
44  $out .= chr( mt_rand( $nullOk ? 0 : 1, $ascii ? 127 : 255 ) );
45  return $out;
46 }
47 
48 /* Duplicate of the cleanUp() path for ICU usage */
49 function donorm( $str ) {
50  # We exclude a few chars that ICU would not.
51  $str = preg_replace( '/[\x00-\x08\x0b\x0c\x0e-\x1f]/', UTF8_REPLACEMENT, $str );
52  $str = str_replace( UTF8_FFFE, UTF8_REPLACEMENT, $str );
53  $str = str_replace( UTF8_FFFF, UTF8_REPLACEMENT, $str );
54 
55  # UnicodeString constructor fails if the string ends with a head byte.
56  # Add a junk char at the end, we'll strip it off
57  return rtrim( utf8_normalize( $str . "\x01", UtfNormal::UNORM_NFC ), "\x01" );
58 }
59 
60 function showDiffs( $a, $b ) {
61  $ota = explode( "\n", str_replace( "\r\n", "\n", $a ) );
62  $nta = explode( "\n", str_replace( "\r\n", "\n", $b ) );
63 
64  $diffs = new Diff( $ota, $nta );
65  $formatter = new TableDiffFormatter();
66  $funky = $formatter->format( $diffs );
67  $matches = array();
68  preg_match_all( '/<(?:ins|del) class="diffchange">(.*?)<\/(?:ins|del)>/', $funky, $matches );
69  foreach( $matches[1] as $bit ) {
70  $hex = bin2hex( $bit );
71  echo "\t$hex\n";
72  }
73 }
74 
75 $size = 16;
76 $n = 0;
77 while( true ) {
78  $n++;
79  echo "$n\n";
80 
81  $str = randomString( $size, true);
82  $clean = UtfNormal::cleanUp( $str );
83  $norm = donorm( $str );
84 
85  echo strlen( $clean ) . ", " . strlen( $norm );
86  if( $clean == $norm ) {
87  echo " (match)\n";
88  } else {
89  echo " (FAIL)\n";
90  echo "\traw: " . bin2hex( $str ) . "\n" .
91  "\tphp: " . bin2hex( $clean ) . "\n" .
92  "\ticu: " . bin2hex( $norm ) . "\n";
93  echo "\n\tdiffs:\n";
94  showDiffs( $clean, $norm );
95  die();
96  }
97 
98 
99  $str = '';
100  $clean = '';
101  $norm = '';
102 }
php
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Definition: skin.txt:62
UTF8_FFFF
const UTF8_FFFF
Definition: UtfNormalDefines.php:75
randomString
randomString( $length, $nullOk, $ascii=false)
Definition: RandomTest.php:41
UtfNormal\cleanUp
static cleanUp( $string)
The ultimate convenience function! Clean up invalid UTF-8 sequences, and convert to normal form C,...
Definition: UtfNormal.php:79
$n
$n
Definition: RandomTest.php:76
TableDiffFormatter
MediaWiki default table style diff formatter.
Definition: TableDiffFormatter.php:33
donorm
donorm( $str)
Definition: RandomTest.php:49
$out
$out
Definition: UtfNormalGenerate.php:167
UTF8_FFFE
const UTF8_FFFE
Definition: UtfNormalDefines.php:74
array
the array() calling protocol came about after MediaWiki 1.4rc1.
List of Api Query prop modules.
$matches
if(!defined( 'MEDIAWIKI')) if(!isset( $wgVersion)) $matches
Definition: NoLocalSettings.php:33
$size
$size
Definition: RandomTest.php:75
UtfNormal\UNORM_NFC
const UNORM_NFC
Definition: UtfNormal.php:55
showDiffs
showDiffs( $a, $b)
Definition: RandomTest.php:60
UTF8_REPLACEMENT
const UTF8_REPLACEMENT
Definition: UtfNormalDefines.php:64
as
This document is intended to provide useful advice for parties seeking to redistribute MediaWiki to end users It s targeted particularly at maintainers for Linux since it s been observed that distribution packages of MediaWiki often break We ve consistently had to recommend that users seeking support use official tarballs instead of their distribution s and this often solves whatever problem the user is having It would be nice if this could such as
Definition: distributors.txt:9
Diff
Class representing a 'diff' between two sequences of strings.
Definition: DairikiDiff.php:705