js/tests/js1_5/extensions/regress-330569.js

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  15  * The Original Code is JavaScript Engine testing utilities.
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  22  * Contributor(s): antonglv
  23  *                 Andreas
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  38
  39 var gTestfile = 'regress-330569.js';
  40 //-----------------------------------------------------------------------------
  41 var BUGNUMBER = 330569;
  42 var summary = 'RegExp - throw InternalError on too complex regular expressions';
  43 var actual = '';
  44 var expect = '';
  45
  46
  47 //-----------------------------------------------------------------------------
  48 test();
  49 //-----------------------------------------------------------------------------
  50
  51 function test()
  52 {
  53   enterFunc ('test');
  54   printBugNumber(BUGNUMBER);
  55   printStatus (summary);
  56
  57   var s;
  58   expect = 'InternalError: regular expression too complex';
  59
  60   s = '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">' +
  61     '<html>\n' +
  62     '<head>\n' +
  63     '<meta http-equiv="content-type" content="text/html; charset=windows-1250">\n' +
  64     '<meta name="generator" content="PSPad editor, www.pspad.com">\n' +
  65     '<title></title>\n'+
  66     '</head>\n' +
  67     '<body>\n' +
  68     '<!-- hello -->\n' +
  69     '<script language="JavaScript">\n' +
  70     'var s = document. body. innerHTML;\n' +
  71     'var d = s. replace (/<!--(.*|\n)*-->/, "");\n' +
  72     'alert (d);\n' +
  73     '</script>\n' +
  74     '</body>\n' +
  75     '</html>\n';
  76
  77   options('relimit');
  78
  79   try
  80   {
  81     /<!--(.*|\n)*-->/.exec(s);
  82   }
  83   catch(ex)
  84   {
  85     actual = ex + '';
  86   }
  87
  88   reportCompare(expect, actual, summary + ': /<!--(.*|\\n)*-->/.exec(s)');
  89
  90   function testre( re, n ) {
  91     for ( var i= 0; i <= n; ++i ) {
  92       re.test( Array( i+1 ).join() );
  93     }
  94   }
  95
  96   try
  97   {
  98     testre( /(?:,*)*x/, 22 );
  99   }
 100   catch(ex)
 101   {
 102     actual = ex + '';
 103   }
 104
 105   reportCompare(expect, actual, summary + ': testre( /(?:,*)*x/, 22 )');
 106
 107   try
 108   {
 109     testre( /(?:,|,)*x/, 22 );
 110   }
 111   catch(ex)
 112   {
 113     actual = ex + '';
 114   }
 115
 116   reportCompare(expect, actual, summary + ': testre( /(?:,|,)*x/, 22 )');
 117
 118   try
 119   {
 120     testre( /(?:,|,|,|,|,)*x/, 10 );
 121   }
 122   catch(ex)
 123   {
 124     actual = ex + '';
 125   }
 126   reportCompare(expect, actual, summary + ': testre( /(?:,|,|,|,|,)*x/, 10 )');
 127
 128   exitFunc ('test');
 129 }