js/tests/js1_5/Regress/regress-169559.js

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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   3  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
   4  *
   5  * The contents of this file are subject to the Mozilla Public License Version
   6  * 1.1 (the "License"); you may not use this file except in compliance with
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  15  * The Original Code is JavaScript Engine testing utilities.
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  22  * Contributor(s): Bob Clary <bob@bclary.com>
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  37
  38 var gTestfile = 'regress-169559.js';
  39 //-----------------------------------------------------------------------------
  40 var BUGNUMBER = 169559;
  41 var summary = 'Global vars should not be more than 2.5 times slower than local';
  42 var actual = '';
  43 var expect = '';
  44
  45 printBugNumber(BUGNUMBER);
  46 printStatus (summary);
  47
  48 var starttime;
  49 var stoptime;
  50 var globaltime = 0;
  51 var localtime  = 0;
  52 var maxratio   = 2.5;
  53 var ratio;
  54
  55 var globalvar;
  56 var globaltotal = 0;
  57
  58 printStatus("Testing global variables");
  59 starttime = new Date();
  60 for (globalvar = 0; globalvar < 100000; globalvar++)
  61 {
  62   globaltotal += 1;
  63 }
  64 stoptime = new Date();
  65 globaltime = stoptime - starttime;
  66
  67 printStatus("Testing local variables");
  68 starttime= new Date();
  69 local();
  70 stoptime = new Date();
  71 localtime = stoptime - starttime;
  72
  73 ratio = globaltime/localtime;
  74 printStatus("Ratio of global to local time " + ratio.toFixed(3));
  75
  76 expect = true;
  77 actual = (ratio < maxratio);
  78 summary += ', Ratio: ' + ratio + ' ';
  79 reportCompare(expect, actual, summary);
  80
  81 function local()
  82 {
  83   var localvar;
  84   var localtotal = 0;
  85
  86   for (localvar = 0; localvar < 100000; localvar++)
  87   {
  88     localtotal += 1;
  89   }
  90
  91 }