michael@0: // |reftest| random -- BigO
michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: //-----------------------------------------------------------------------------
michael@0: var BUGNUMBER = 416628;
michael@0: var summary = 'O(n^2) blowup due to overlong cx->tempPool arena list';
michael@0: var actual = '';
michael@0: var expect = '';
michael@0: 
michael@0: //-----------------------------------------------------------------------------
michael@0: test();
michael@0: //-----------------------------------------------------------------------------
michael@0: 
michael@0: function test()
michael@0: {
michael@0:   enterFunc ('test');
michael@0:   printBugNumber(BUGNUMBER);
michael@0:   printStatus (summary);
michael@0:  
michael@0:   var data = {X:[], Y:[]};
michael@0: 
michael@0:   Function.prototype.inherits = function(parentCtor) {
michael@0:     moo_inherits(this, parentCtor);
michael@0:   };
michael@0: 
michael@0:   moo_inherits = function(childCtor, parentCtor) {
michael@0:     /** @constructor */
michael@0:     function tempCtor() {};
michael@0:     tempCtor.prototype = parentCtor.prototype;
michael@0:     childCtor.superClass_ = parentCtor.prototype;
michael@0:     childCtor.prototype = new tempCtor();
michael@0:     childCtor.prototype.constructor = childCtor;
michael@0:   };
michael@0: 
michael@0:   var jstart =  100;
michael@0:   var jstop  = 1000;
michael@0:   var jinterval = (jstop - jstart)/9;
michael@0: 
michael@0:   if (true) { 
michael@0:     for (var j = jstart; j < jstop; j += jinterval)
michael@0:     {
michael@0:       data.X.push(j);
michael@0:       var code = '';
michael@0:       for (var i = 0; i < j; i++)
michael@0:       {
michael@0:         code += createCode(i);
michael@0:       }
michael@0:       gc();
michael@0:       var start = new Date();
michael@0:       eval(code);
michael@0:       var stop = new Date();
michael@0:       data.Y.push(stop - start);
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   var order = BigO(data);
michael@0: 
michael@0:   var msg = '';
michael@0:   for (var p = 0; p < data.X.length; p++)
michael@0:   {
michael@0:     msg += '(' + data.X[p] + ', ' + data.Y[p] + '); ';
michael@0:   }
michael@0:   printStatus(msg);
michael@0:   printStatus('Order: ' + order);
michael@0: 
michael@0:   reportCompare(true, order < 2, 'BigO ' + order + ' < 2');
michael@0: 
michael@0:   exitFunc ('test');
michael@0: }
michael@0: 
michael@0: function createCode(i)
michael@0: {
michael@0:   var code = '';
michael@0: 
michael@0:   code += "var str1_" + i + "='This is 1 a test " + i + " string.';";
michael@0:   code += "var str2_" + i + "='This is 2 a test " + i + " string.';";
michael@0:   code += "var str3_" + i + "='This is 3 a test " + i + " string.';";
michael@0:   code += "var str4_" + i + "='This is 4 a test " + i + " string.';";
michael@0:   code += "var str5_" + i + "='This is 5 a test " + i + " string.';";
michael@0:   code += "var str6_" + i + "='This is 6 a test " + i + " string.';";
michael@0:   code += "var str7_" + i + "='This is 7 a test " + i + " string.';";
michael@0:   code += "";
michael@0:   code += "var base" + i + " = function() {this.a_=4;this.b_=5};";
michael@0:   code += "base" + i + ".f1 = function() {this.a_=4;this.b_=5};";
michael@0:   code += "base" + i + ".prototype.f2 = function() {this.a_=4;this.b_=5};";
michael@0:   code += "base" + i + ".prototype.f3 = function() {this.a_=4;this.b_=5};";
michael@0:   code += "base" + i + ".prototype.f4 = function() {this.a_=4;this.b_=5};";
michael@0:   code += "base" + i + ".prototype.f5 = function() {this.a_=4;this.b_=5};";
michael@0:   code += "";
michael@0:   code += "var child" + i + " = function() {this.a_=4;this.b_=5};";
michael@0:   code += "child" + i + ".inherits(base" + i + ");";
michael@0:   code += "child" + i + ".f1 = function() {this.a_=4;this.b_=5};";
michael@0:   code += "child" + i + ".prototype.f2 = function() {this.a_=4;this.b_=5};";
michael@0:   code += "child" + i + ".prototype.f3 = function() {this.a_=4;this.b_=5};";
michael@0:   code += "child" + i + ".prototype.f4 = function() {this.a_=4;this.b_=5};";
michael@0:   code += "child" + i + ".prototype.f5 = function() {this.a_=4;this.b_=5};";
michael@0:   code += "";
michael@0:   code += "var gchild" + i + " = function() {this.a_=4;this.b_=5};";
michael@0:   code += "gchild" + i + ".inherits(child" + i + ");";
michael@0:   code += "gchild" + i + ".f1 = function() {this.a_=4;this.b_=5};";
michael@0:   code += "gchild" + i + ".prototype.f2 = function() {this.a_=4;this.b_=5};";
michael@0:   code += "gchild" + i + ".prototype.f3 = function() {this.a_=4;this.b_=5};";
michael@0:   code += "gchild" + i + ".prototype.f4 = function() {this.a_=4;this.b_=5};";
michael@0:   code += "gchild" + i + ".prototype.f5 = function() {this.a_=4;this.b_=5};";
michael@0: 
michael@0:   return code;
michael@0: }