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
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
7 * the License. You may obtain a copy of the License at
8 * http://www.mozilla.org/MPL/
10 * Software distributed under the License is distributed on an "AS IS" basis,
11 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
12 * for the specific language governing rights and limitations under the
15 * The Original Code is JavaScript Engine testing utilities.
17 * The Initial Developer of the Original Code is
19 * Portions created by the Initial Developer are Copyright (C) 2007
20 * the Initial Developer. All Rights Reserved.
22 * Contributor(s): Brendan Eich
24 * Alternatively, the contents of this file may be used under the terms of
25 * either the GNU General Public License Version 2 or later (the "GPL"), or
26 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
27 * in which case the provisions of the GPL or the LGPL are applicable instead
28 * of those above. If you wish to allow use of your version of this file only
29 * under the terms of either the GPL or the LGPL, and not to allow others to
30 * use your version of this file under the terms of the MPL, indicate your
31 * decision by deleting the provisions above and replace them with the notice
32 * and other provisions required by the GPL or the LGPL. If you do not delete
33 * the provisions above, a recipient may use your version of this file under
34 * the terms of any one of the MPL, the GPL or the LGPL.
36 * ***** END LICENSE BLOCK ***** */
38 //-----------------------------------------------------------------------------
39 var BUGNUMBER = 416628;
40 var summary = 'O(n^2) blowup due to overlong cx->tempPool arena list';
44 //-----------------------------------------------------------------------------
46 //-----------------------------------------------------------------------------
51 printBugNumber(BUGNUMBER);
52 printStatus (summary);
54 var data = {X:[], Y:[]};
56 Function.prototype.inherits = function(parentCtor) {
57 moo_inherits(this, parentCtor);
60 moo_inherits = function(childCtor, parentCtor) {
62 function tempCtor() {};
63 tempCtor.prototype = parentCtor.prototype;
64 childCtor.superClass_ = parentCtor.prototype;
65 childCtor.prototype = new tempCtor();
66 childCtor.prototype.constructor = childCtor;
71 var jinterval = (jstop - jstart)/9;
74 for (var j = jstart; j < jstop; j += jinterval)
78 for (var i = 0; i < j; i++)
80 code += createCode(i);
83 var start = new Date();
85 var stop = new Date();
86 data.Y.push(stop - start);
90 var order = BigO(data);
93 for (var p = 0; p < data.X.length; p++)
95 msg += '(' + data.X[p] + ', ' + data.Y[p] + '); ';
98 printStatus('Order: ' + order);
100 reportCompare(true, order < 2, 'BigO ' + order + ' < 2');
105 function createCode(i)
109 code += "var str1_" + i + "='This is 1 a test " + i + " string.';";
110 code += "var str2_" + i + "='This is 2 a test " + i + " string.';";
111 code += "var str3_" + i + "='This is 3 a test " + i + " string.';";
112 code += "var str4_" + i + "='This is 4 a test " + i + " string.';";
113 code += "var str5_" + i + "='This is 5 a test " + i + " string.';";
114 code += "var str6_" + i + "='This is 6 a test " + i + " string.';";
115 code += "var str7_" + i + "='This is 7 a test " + i + " string.';";
117 code += "var base" + i + " = function() {this.a_=4;this.b_=5};";
118 code += "base" + i + ".f1 = function() {this.a_=4;this.b_=5};";
119 code += "base" + i + ".prototype.f2 = function() {this.a_=4;this.b_=5};";
120 code += "base" + i + ".prototype.f3 = function() {this.a_=4;this.b_=5};";
121 code += "base" + i + ".prototype.f4 = function() {this.a_=4;this.b_=5};";
122 code += "base" + i + ".prototype.f5 = function() {this.a_=4;this.b_=5};";
124 code += "var child" + i + " = function() {this.a_=4;this.b_=5};";
125 code += "child" + i + ".inherits(base" + i + ");";
126 code += "child" + i + ".f1 = function() {this.a_=4;this.b_=5};";
127 code += "child" + i + ".prototype.f2 = function() {this.a_=4;this.b_=5};";
128 code += "child" + i + ".prototype.f3 = function() {this.a_=4;this.b_=5};";
129 code += "child" + i + ".prototype.f4 = function() {this.a_=4;this.b_=5};";
130 code += "child" + i + ".prototype.f5 = function() {this.a_=4;this.b_=5};";
132 code += "var gchild" + i + " = function() {this.a_=4;this.b_=5};";
133 code += "gchild" + i + ".inherits(child" + i + ");";
134 code += "gchild" + i + ".f1 = function() {this.a_=4;this.b_=5};";
135 code += "gchild" + i + ".prototype.f2 = function() {this.a_=4;this.b_=5};";
136 code += "gchild" + i + ".prototype.f3 = function() {this.a_=4;this.b_=5};";
137 code += "gchild" + i + ".prototype.f4 = function() {this.a_=4;this.b_=5};";
138 code += "gchild" + i + ".prototype.f5 = function() {this.a_=4;this.b_=5};";