js/tests/js1_5/Regress/regress-347306-01.js

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* ***** BEGIN LICENSE BLOCK *****
   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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  11  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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  14  *
  15  * The Original Code is JavaScript Engine testing utilities.
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  17  * The Initial Developer of the Original Code is
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  19  * Portions created by the Initial Developer are Copyright (C) 2005
  20  * the Initial Developer. All Rights Reserved.
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  22  * Contributor(s): Jesse Ruderman
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  36  * ***** END LICENSE BLOCK ***** */
  37
  38 var gTestfile = 'regress-347306-01.js';
  39 //-----------------------------------------------------------------------------
  40 var BUGNUMBER = 347306;
  41 var summary = 'decompilation should not be O(N**2)';
  42 var actual = '';
  43 var expect = '';
  44
  45 printBugNumber(BUGNUMBER);
  46 printStatus (summary);
  47
  48 var data = {X:[], Y:[]};
  49 for (var size = 1000; size <= 10000; size += 1000)
  50 {
  51   data.X.push(size);
  52   data.Y.push(testSource(size));
  53   gc();
  54 }
  55
  56 var order = BigO(data);
  57
  58 var msg = '';
  59 for (var p = 0; p < data.X.length; p++)
  60 {
  61   msg += '(' + data.X[p] + ', ' + data.Y[p] + '); ';
  62 }
  63 printStatus(msg);
  64 printStatus('Order: ' + order);
  65 reportCompare(true, order < 2, 'BigO ' + order + ' < 2');
  66
  67 function testSource(n)
  68 {
  69   var funtext = "";
  70
  71   for (var i=0; i<n; ++i)
  72     funtext += "alert(" + i + "); ";
  73
  74   var fun = new Function(funtext);
  75
  76   var start = new Date();
  77
  78   var s = fun + "";
  79
  80   var end = new Date();
  81
  82   print("Size: " + n + ", Time: " + (end - start) + " ms");
  83
  84   return end - start;
  85 }