| // |reftest| random -- BigO |
| /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| /* This Source Code Form is subject to the terms of the Mozilla Public |
| * License, v. 2.0. If a copy of the MPL was not distributed with this |
| * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| |
| //----------------------------------------------------------------------------- |
| 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; |
| } |