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JavaScript Test - regression test for bug 416628, by Brendan Eich

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bclary@bclary.com 2008-02-18 03:38:44 -08:00
parent f4708f06ed
commit 9df24be609
1 changed files with 142 additions and 0 deletions
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js/tests/js1_5/Regress/regress-416628.js Executable file
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is JavaScript Engine testing utilities.
*
* The Initial Developer of the Original Code is
* Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2007
* the Initial Developer. All Rights Reserved.
*
* Contributor(s): Brendan Eich
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
var gTestfile = 'regress-416628.js';
//-----------------------------------------------------------------------------
var BUGNUMBER = 416628;
var summary = 'O(n^2) blowup due to overlong cx->tempPool arena list';
var actual = '';
var expect = '';
//-----------------------------------------------------------------------------
test();
//-----------------------------------------------------------------------------
function test()
{
enterFunc ('test');
printBugNumber(BUGNUMBER);
printStatus (summary);
var data = {X:[], Y:[]};
Function.prototype.inherits = function(parentCtor) {
moo_inherits(this, parentCtor);
};
moo_inherits = function(childCtor, parentCtor) {
/** @constructor */
function tempCtor() {};
tempCtor.prototype = parentCtor.prototype;
childCtor.superClass_ = parentCtor.prototype;
childCtor.prototype = new tempCtor();
childCtor.prototype.constructor = childCtor;
};
var jstart = 100;
var jstop = 1000;
var jinterval = (jstop - jstart)/9;
if (true) {
for (var j = jstart; j < jstop; j += jinterval)
{
data.X.push(j);
var code = '';
for (var i = 0; i < j; i++)
{
code += createCode(i);
}
gc();
var start = new Date();
eval(code);
var stop = new Date();
data.Y.push(stop - start);
}
}
var order = BigO(data);
var msg = '';
for (var p = 0; p < data.X.length; p++)
{
msg += '(' + data.X[p] + ', ' + data.Y[p] + '); ';
}
printStatus(msg);
printStatus('Order: ' + order);
reportCompare(true, order < 2, 'BigO ' + order + ' < 2');
exitFunc ('test');
}
function createCode(i)
{
var code = '';
code += "var str1_" + i + "='This is 1 a test " + i + " string.';";
code += "var str2_" + i + "='This is 2 a test " + i + " string.';";
code += "var str3_" + i + "='This is 3 a test " + i + " string.';";
code += "var str4_" + i + "='This is 4 a test " + i + " string.';";
code += "var str5_" + i + "='This is 5 a test " + i + " string.';";
code += "var str6_" + i + "='This is 6 a test " + i + " string.';";
code += "var str7_" + i + "='This is 7 a test " + i + " string.';";
code += "";
code += "var base" + i + " = function() {this.a_=4;this.b_=5};";
code += "base" + i + ".f1 = function() {this.a_=4;this.b_=5};";
code += "base" + i + ".prototype.f2 = function() {this.a_=4;this.b_=5};";
code += "base" + i + ".prototype.f3 = function() {this.a_=4;this.b_=5};";
code += "base" + i + ".prototype.f4 = function() {this.a_=4;this.b_=5};";
code += "base" + i + ".prototype.f5 = function() {this.a_=4;this.b_=5};";
code += "";
code += "var child" + i + " = function() {this.a_=4;this.b_=5};";
code += "child" + i + ".inherits(base" + i + ");";
code += "child" + i + ".f1 = function() {this.a_=4;this.b_=5};";
code += "child" + i + ".prototype.f2 = function() {this.a_=4;this.b_=5};";
code += "child" + i + ".prototype.f3 = function() {this.a_=4;this.b_=5};";
code += "child" + i + ".prototype.f4 = function() {this.a_=4;this.b_=5};";
code += "child" + i + ".prototype.f5 = function() {this.a_=4;this.b_=5};";
code += "";
code += "var gchild" + i + " = function() {this.a_=4;this.b_=5};";
code += "gchild" + i + ".inherits(child" + i + ");";
code += "gchild" + i + ".f1 = function() {this.a_=4;this.b_=5};";
code += "gchild" + i + ".prototype.f2 = function() {this.a_=4;this.b_=5};";
code += "gchild" + i + ".prototype.f3 = function() {this.a_=4;this.b_=5};";
code += "gchild" + i + ".prototype.f4 = function() {this.a_=4;this.b_=5};";
code += "gchild" + i + ".prototype.f5 = function() {this.a_=4;this.b_=5};";
return code;
}