gecko/js/tests/js1_5/extensions/regress-335700.js

128 lines
3.4 KiB
JavaScript
Executable File

/* -*- 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) 2006
* the Initial Developer. All Rights Reserved.
*
* Contributor(s): Charles Verdon
* 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-335700.js';
//-----------------------------------------------------------------------------
var BUGNUMBER = 335700;
var summary = 'Object Construction with getter closures should be O(N)';
var actual = '';
var expect = '';
printBugNumber(BUGNUMBER);
printStatus (summary);
test('Object', Object);
test('ObjectWithFunction', ObjectWithFunction);
test('ObjectWithGetter', ObjectWithGetter);
function test(desc, ctor)
{
var start = 00000;
var stop = 40000;
var incr = (stop - start)/10;
desc = summary + ': ' + desc;
var data = {X:[], Y:[]};
for (var i = start; i <= stop; i += incr)
{
data.X.push(i);
data.Y.push(runStart(ctor, i));
gc();
}
var order = BigO(data);
var msg = '';
for (var p = 0; p < data.X.length; p++)
{
msg += '(' + data.X[p] + ', ' + data.Y[p] + '); ';
}
print(msg);
reportCompare(true, order < 2, desc + ': BigO ' + order + ' < 2');
}
function ObjectWithFunction()
{
var m_var = null;
this.init = function(p_var) {
m_var = p_var;
}
this.getVar = function()
{
return m_var;
}
this.setVar = function(v)
{
m_var = v;
}
}
function ObjectWithGetter()
{
var m_var = null;
this.init = function(p_var) {
m_var = p_var;
}
this.Var getter = function() {
return m_var;
}
this.Var setter = function(v) {
m_var = v;
}
}
function runStart(ctor, limit)
{
var arr = [];
var start = Date.now();
for (var i=0; i < limit; i++) {
var obj = new ctor();
obj.Var = 42;
arr.push(obj);
}
var end = Date.now();
var diff = end - start;
return diff;
}