src/cm/media/js/lib/yui/yui_3.10.3/build/test/test-debug.js
changeset 525 89ef5ed3c48b
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/cm/media/js/lib/yui/yui_3.10.3/build/test/test-debug.js	Tue Jul 16 14:29:46 2013 +0200
@@ -0,0 +1,3773 @@
+/*
+YUI 3.10.3 (build 2fb5187)
+Copyright 2013 Yahoo! Inc. All rights reserved.
+Licensed under the BSD License.
+http://yuilibrary.com/license/
+*/
+
+YUI.add('test', function (Y, NAME) {
+
+
+
+/**
+ * YUI Test Framework
+ * @module test
+ * @main test
+ */
+
+/*
+ * The root namespace for YUI Test.
+ */
+
+//So we only ever have one YUITest object that's shared
+if (YUI.YUITest) {
+    Y.Test = YUI.YUITest;
+} else { //Ends after the YUITest definitions
+
+    //Make this global for back compat
+    YUITest = {
+        version: "3.10.3",
+        guid: function(pre) {
+            return Y.guid(pre);
+        }
+    };
+
+Y.namespace('Test');
+
+
+//Using internal YUI methods here
+YUITest.Object = Y.Object;
+YUITest.Array = Y.Array;
+YUITest.Util = {
+    mix: Y.mix,
+    JSON: Y.JSON
+};
+
+/**
+ * Simple custom event implementation.
+ * @namespace Test
+ * @module test
+ * @class EventTarget
+ * @constructor
+ */
+YUITest.EventTarget = function(){
+
+    /**
+     * Event handlers for the various events.
+     * @type Object
+     * @private
+     * @property _handlers
+     * @static
+     */
+    this._handlers = {};
+
+};
+    
+YUITest.EventTarget.prototype = {
+
+    //restore prototype
+    constructor: YUITest.EventTarget,
+            
+    //-------------------------------------------------------------------------
+    // Event Handling
+    //-------------------------------------------------------------------------
+    
+    /**
+     * Adds a listener for a given event type.
+     * @param {String} type The type of event to add a listener for.
+     * @param {Function} listener The function to call when the event occurs.
+     * @return {void}
+     * @method attach
+     */
+    attach: function(type, listener){
+        if (typeof this._handlers[type] == "undefined"){
+            this._handlers[type] = [];
+        }
+
+        this._handlers[type].push(listener);
+    },
+    
+    /**
+     * Adds a listener for a given event type.
+     * @param {String} type The type of event to add a listener for.
+     * @param {Function} listener The function to call when the event occurs.
+     * @return {void}
+     * @method subscribe
+     * @deprecated
+     */
+    subscribe: function(type, listener){
+        this.attach.apply(this, arguments);
+    },
+    
+    /**
+     * Fires an event based on the passed-in object.
+     * @param {Object|String} event An object with at least a 'type' attribute
+     *      or a string indicating the event name.
+     * @return {void}
+     * @method fire
+     */    
+    fire: function(event){
+        if (typeof event == "string"){
+            event = { type: event };
+        }
+        if (!event.target){
+            event.target = this;
+        }
+        
+        if (!event.type){
+            throw new Error("Event object missing 'type' property.");
+        }
+        
+        if (this._handlers[event.type] instanceof Array){
+            var handlers = this._handlers[event.type];
+            for (var i=0, len=handlers.length; i < len; i++){
+                handlers[i].call(this, event);
+            }
+        }            
+    },
+
+    /**
+     * Removes a listener for a given event type.
+     * @param {String} type The type of event to remove a listener from.
+     * @param {Function} listener The function to remove from the event.
+     * @return {void}
+     * @method detach
+     */
+    detach: function(type, listener){
+        if (this._handlers[type] instanceof Array){
+            var handlers = this._handlers[type];
+            for (var i=0, len=handlers.length; i < len; i++){
+                if (handlers[i] === listener){
+                    handlers.splice(i, 1);
+                    break;
+                }
+            }
+        }            
+    },
+    
+    /**
+     * Removes a listener for a given event type.
+     * @param {String} type The type of event to remove a listener from.
+     * @param {Function} listener The function to remove from the event.
+     * @return {void}
+     * @method unsubscribe
+     * @deprecated
+     */
+    unsubscribe: function(type, listener){
+        this.detach.apply(this, arguments);          
+    }    
+
+};
+
+    
+/**
+ * A test suite that can contain a collection of TestCase and TestSuite objects.
+ * @param {String||Object} data The name of the test suite or an object containing
+ *      a name property as well as setUp and tearDown methods.
+ * @namespace Test
+ * @module test
+ * @class TestSuite
+ * @constructor
+ */
+YUITest.TestSuite = function (data) {
+
+    /**
+     * The name of the test suite.
+     * @type String
+     * @property name
+     */
+    this.name = "";
+
+    /**
+     * Array of test suites and test cases.
+     * @type Array
+     * @property items
+     * @private
+     */
+    this.items = [];
+
+    //initialize the properties
+    if (typeof data == "string"){
+        this.name = data;
+    } else if (data instanceof Object){
+        for (var prop in data){
+            if (data.hasOwnProperty(prop)){
+                this[prop] = data[prop];
+            }
+        }
+    }
+
+    //double-check name
+    if (this.name === "" || !this.name) {
+        this.name = YUITest.guid("testSuite_");
+    }
+
+};
+    
+YUITest.TestSuite.prototype = {
+    
+    //restore constructor
+    constructor: YUITest.TestSuite,
+    
+    /**
+     * Adds a test suite or test case to the test suite.
+     * @param {Test.TestSuite||YUITest.TestCase} testObject The test suite or test case to add.
+     * @return {Void}
+     * @method add
+     */
+    add : function (testObject) {
+        if (testObject instanceof YUITest.TestSuite || testObject instanceof YUITest.TestCase) {
+            this.items.push(testObject);
+        }
+        return this;
+    },
+    
+    //-------------------------------------------------------------------------
+    // Stub Methods
+    //-------------------------------------------------------------------------
+
+    /**
+     * Function to run before each test is executed.
+     * @return {Void}
+     * @method setUp
+     */
+    setUp : function () {
+    },
+    
+    /**
+     * Function to run after each test is executed.
+     * @return {Void}
+     * @method tearDown
+     */
+    tearDown: function () {
+    }
+    
+};
+/**
+ * Test case containing various tests to run.
+ * @param template An object containing any number of test methods, other methods,
+ *                 an optional name, and anything else the test case needs.
+ * @module test
+ * @class TestCase
+ * @namespace Test
+ * @constructor
+ */
+
+
+
+YUITest.TestCase = function (template) {
+    
+    /*
+     * Special rules for the test case. Possible subobjects
+     * are fail, for tests that should fail, and error, for
+     * tests that should throw an error.
+     */
+    this._should = {};
+    
+    //copy over all properties from the template to this object
+    for (var prop in template) {
+        this[prop] = template[prop];
+    }    
+    
+    //check for a valid name
+    if (typeof this.name != "string") {
+        this.name = YUITest.guid("testCase_");
+    }
+
+};
+
+        
+YUITest.TestCase.prototype = {  
+
+    //restore constructor
+    constructor: YUITest.TestCase,
+    
+    /**
+     * Method to call from an async init method to
+     * restart the test case. When called, returns a function
+     * that should be called when tests are ready to continue.
+     * @method callback
+     * @return {Function} The function to call as a callback.
+     */
+    callback: function(){
+        return YUITest.TestRunner.callback.apply(YUITest.TestRunner,arguments);
+    },
+
+    /**
+     * Resumes a paused test and runs the given function.
+     * @param {Function} segment (Optional) The function to run.
+     *      If omitted, the test automatically passes.
+     * @return {Void}
+     * @method resume
+     */
+    resume : function (segment) {
+        YUITest.TestRunner.resume(segment);
+    },
+
+    /**
+     * Causes the test case to wait a specified amount of time and then
+     * continue executing the given code.
+     * @param {Function} segment (Optional) The function to run after the delay.
+     *      If omitted, the TestRunner will wait until resume() is called.
+     * @param {int} delay (Optional) The number of milliseconds to wait before running
+     *      the function. If omitted, defaults to zero.
+     * @return {Void}
+     * @method wait
+     */
+    wait : function (segment, delay){
+        
+        var actualDelay = (typeof segment == "number" ? segment : delay);
+        actualDelay = (typeof actualDelay == "number" ? actualDelay : 10000);
+    
+		if (typeof segment == "function"){
+            throw new YUITest.Wait(segment, actualDelay);
+        } else {
+            throw new YUITest.Wait(function(){
+                YUITest.Assert.fail("Timeout: wait() called but resume() never called.");
+            }, actualDelay);
+        }
+    },
+    
+    //-------------------------------------------------------------------------
+    // Assertion Methods
+    //-------------------------------------------------------------------------
+
+    /**
+     * Asserts that a given condition is true. If not, then a YUITest.AssertionError object is thrown
+     * and the test fails.
+     * @method assert
+     * @param {Boolean} condition The condition to test.
+     * @param {String} message The message to display if the assertion fails.
+     */
+    assert : function (condition, message){
+        YUITest.Assert._increment();
+        if (!condition){
+            throw new YUITest.AssertionError(YUITest.Assert._formatMessage(message, "Assertion failed."));
+        }    
+    },
+    
+    /**
+     * Forces an assertion error to occur. Shortcut for YUITest.Assert.fail().
+     * @method fail
+     * @param {String} message (Optional) The message to display with the failure.
+     */
+    fail: function (message) {    
+        YUITest.Assert.fail(message);
+    },
+    
+    //-------------------------------------------------------------------------
+    // Stub Methods
+    //-------------------------------------------------------------------------
+
+    /**
+     * Function to run once before tests start to run.
+     * This executes before the first call to setUp().
+     * @method init
+     */
+    init: function(){
+        //noop
+    },
+    
+    /**
+     * Function to run once after tests finish running.
+     * This executes after the last call to tearDown().
+     * @method destroy
+     */
+    destroy: function(){
+        //noop
+    },
+
+    /**
+     * Function to run before each test is executed.
+     * @return {Void}
+     * @method setUp
+     */
+    setUp : function () {
+        //noop
+    },
+    
+    /**
+     * Function to run after each test is executed.
+     * @return {Void}
+     * @method tearDown
+     */
+    tearDown: function () {    
+        //noop
+    }
+};
+/**
+ * An object object containing test result formatting methods.
+ * @namespace Test
+ * @module test
+ * @class TestFormat
+ * @static
+ */
+YUITest.TestFormat = function(){
+    
+    /* (intentionally not documented)
+     * Basic XML escaping method. Replaces quotes, less-than, greater-than,
+     * apostrophe, and ampersand characters with their corresponding entities.
+     * @param {String} text The text to encode.
+     * @return {String} The XML-escaped text.
+     */
+    function xmlEscape(text){
+    
+        return text.replace(/[<>"'&]/g, function(value){
+            switch(value){
+                case "<":   return "&lt;";
+                case ">":   return "&gt;";
+                case "\"":  return "&quot;";
+                case "'":   return "&apos;";
+                case "&":   return "&amp;";
+            }
+        });
+    
+    }
+        
+        
+    return {
+    
+        /**
+         * Returns test results formatted as a JSON string. Requires JSON utility.
+         * @param {Object} result The results object created by TestRunner.
+         * @return {String} A JSON-formatted string of results.
+         * @method JSON
+         * @static
+         */
+        JSON: function(results) {
+            return YUITest.Util.JSON.stringify(results);
+        },
+        
+        /**
+         * Returns test results formatted as an XML string.
+         * @param {Object} result The results object created by TestRunner.
+         * @return {String} An XML-formatted string of results.
+         * @method XML
+         * @static
+         */
+        XML: function(results) {
+
+            function serializeToXML(results){
+                var xml = "<" + results.type + " name=\"" + xmlEscape(results.name) + "\"";
+                
+                if (typeof(results.duration)=="number"){
+                    xml += " duration=\"" + results.duration + "\"";
+                }
+                
+                if (results.type == "test"){
+                    xml += " result=\"" + results.result + "\" message=\"" + xmlEscape(results.message) + "\">";
+                } else {
+                    xml += " passed=\"" + results.passed + "\" failed=\"" + results.failed + "\" ignored=\"" + results.ignored + "\" total=\"" + results.total + "\">";
+                    for (var prop in results){
+                        if (results.hasOwnProperty(prop)){
+                            if (results[prop] && typeof results[prop] == "object" && !(results[prop] instanceof Array)){
+                                xml += serializeToXML(results[prop]);
+                            }
+                        }
+                    }       
+                }
+
+                xml += "</" + results.type + ">";
+                
+                return xml;    
+            }
+
+            return "<?xml version=\"1.0\" encoding=\"UTF-8\"?>" + serializeToXML(results);
+
+        },
+
+
+        /**
+         * Returns test results formatted in JUnit XML format.
+         * @param {Object} result The results object created by TestRunner.
+         * @return {String} An XML-formatted string of results.
+         * @method JUnitXML
+         * @static
+         */
+        JUnitXML: function(results) {
+
+            function serializeToJUnitXML(results){
+                var xml = "";
+                    
+                switch (results.type){
+                    //equivalent to testcase in JUnit
+                    case "test":
+                        if (results.result != "ignore"){
+                            xml = "<testcase name=\"" + xmlEscape(results.name) + "\" time=\"" + (results.duration/1000) + "\">";
+                            if (results.result == "fail"){
+                                xml += "<failure message=\"" + xmlEscape(results.message) + "\"><![CDATA[" + results.message + "]]></failure>";
+                            }
+                            xml+= "</testcase>";
+                        }
+                        break;
+                        
+                    //equivalent to testsuite in JUnit
+                    case "testcase":
+                    
+                        xml = "<testsuite name=\"" + xmlEscape(results.name) + "\" tests=\"" + results.total + "\" failures=\"" + results.failed + "\" time=\"" + (results.duration/1000) + "\">";
+                        
+                        for (var prop in results){
+                            if (results.hasOwnProperty(prop)){
+                                if (results[prop] && typeof results[prop] == "object" && !(results[prop] instanceof Array)){
+                                    xml += serializeToJUnitXML(results[prop]);
+                                }
+                            }
+                        }            
+                        
+                        xml += "</testsuite>";
+                        break;
+                    
+                    //no JUnit equivalent, don't output anything
+                    case "testsuite":
+                        for (var prop in results){
+                            if (results.hasOwnProperty(prop)){
+                                if (results[prop] && typeof results[prop] == "object" && !(results[prop] instanceof Array)){
+                                    xml += serializeToJUnitXML(results[prop]);
+                                }
+                            }
+                        }                                                     
+                        break;
+                        
+                    //top-level, equivalent to testsuites in JUnit
+                    case "report":
+                    
+                        xml = "<testsuites>";
+                    
+                        for (var prop in results){
+                            if (results.hasOwnProperty(prop)){
+                                if (results[prop] && typeof results[prop] == "object" && !(results[prop] instanceof Array)){
+                                    xml += serializeToJUnitXML(results[prop]);
+                                }
+                            }
+                        }            
+                        
+                        xml += "</testsuites>";            
+                    
+                    //no default
+                }
+                
+                return xml;
+         
+            }
+
+            return "<?xml version=\"1.0\" encoding=\"UTF-8\"?>" + serializeToJUnitXML(results);
+        },
+    
+        /**
+         * Returns test results formatted in TAP format.
+         * For more information, see <a href="http://testanything.org/">Test Anything Protocol</a>.
+         * @param {Object} result The results object created by TestRunner.
+         * @return {String} A TAP-formatted string of results.
+         * @method TAP
+         * @static
+         */
+        TAP: function(results) {
+        
+            var currentTestNum = 1;
+
+            function serializeToTAP(results){
+                var text = "";
+                    
+                switch (results.type){
+
+                    case "test":
+                        if (results.result != "ignore"){
+
+                            text = "ok " + (currentTestNum++) + " - " + results.name;
+                            
+                            if (results.result == "fail"){
+                                text = "not " + text + " - " + results.message;
+                            }
+                            
+                            text += "\n";
+                        } else {
+                            text = "#Ignored test " + results.name + "\n";
+                        }
+                        break;
+                        
+                    case "testcase":
+                    
+                        text = "#Begin testcase " + results.name + "(" + results.failed + " failed of " + results.total + ")\n";
+                                        
+                        for (var prop in results){
+                            if (results.hasOwnProperty(prop)){
+                                if (results[prop] && typeof results[prop] == "object" && !(results[prop] instanceof Array)){
+                                    text += serializeToTAP(results[prop]);
+                                }
+                            }
+                        }            
+                        
+                        text += "#End testcase " + results.name + "\n";
+                        
+                        
+                        break;
+                    
+                    case "testsuite":
+
+                        text = "#Begin testsuite " + results.name + "(" + results.failed + " failed of " + results.total + ")\n";                
+                    
+                        for (var prop in results){
+                            if (results.hasOwnProperty(prop)){
+                                if (results[prop] && typeof results[prop] == "object" && !(results[prop] instanceof Array)){
+                                    text += serializeToTAP(results[prop]);
+                                }
+                            }
+                        }                                                      
+
+                        text += "#End testsuite " + results.name + "\n";
+                        break;
+
+                    case "report":
+                    
+                        for (var prop in results){
+                            if (results.hasOwnProperty(prop)){
+                                if (results[prop] && typeof results[prop] == "object" && !(results[prop] instanceof Array)){
+                                    text += serializeToTAP(results[prop]);
+                                }
+                            }
+                        }              
+                        
+                    //no default
+                }
+                
+                return text;
+         
+            }
+
+            return "1.." + results.total + "\n" + serializeToTAP(results);
+        }
+    
+    };
+}();
+    
+    /**
+     * An object capable of sending test results to a server.
+     * @param {String} url The URL to submit the results to.
+     * @param {Function} format (Optiona) A function that outputs the results in a specific format.
+     *      Default is YUITest.TestFormat.XML.
+     * @constructor
+     * @namespace Test
+     * @module test
+ * @class Reporter
+     */
+    YUITest.Reporter = function(url, format) {
+    
+        /**
+         * The URL to submit the data to.
+         * @type String
+         * @property url
+         */
+        this.url = url;
+    
+        /**
+         * The formatting function to call when submitting the data.
+         * @type Function
+         * @property format
+         */
+        this.format = format || YUITest.TestFormat.XML;
+    
+        /**
+         * Extra fields to submit with the request.
+         * @type Object
+         * @property _fields
+         * @private
+         */
+        this._fields = new Object();
+        
+        /**
+         * The form element used to submit the results.
+         * @type HTMLFormElement
+         * @property _form
+         * @private
+         */
+        this._form = null;
+    
+        /**
+         * Iframe used as a target for form submission.
+         * @type HTMLIFrameElement
+         * @property _iframe
+         * @private
+         */
+        this._iframe = null;
+    };
+    
+    YUITest.Reporter.prototype = {
+    
+        //restore missing constructor
+        constructor: YUITest.Reporter,
+    
+        /**
+         * Adds a field to the form that submits the results.
+         * @param {String} name The name of the field.
+         * @param {Variant} value The value of the field.
+         * @return {Void}
+         * @method addField
+         */
+        addField : function (name, value){
+            this._fields[name] = value;    
+        },
+        
+        /**
+         * Removes all previous defined fields.
+         * @return {Void}
+         * @method clearFields
+         */
+        clearFields : function(){
+            this._fields = new Object();
+        },
+    
+        /**
+         * Cleans up the memory associated with the TestReporter, removing DOM elements
+         * that were created.
+         * @return {Void}
+         * @method destroy
+         */
+        destroy : function() {
+            if (this._form){
+                this._form.parentNode.removeChild(this._form);
+                this._form = null;
+            }        
+            if (this._iframe){
+                this._iframe.parentNode.removeChild(this._iframe);
+                this._iframe = null;
+            }
+            this._fields = null;
+        },
+    
+        /**
+         * Sends the report to the server.
+         * @param {Object} results The results object created by TestRunner.
+         * @return {Void}
+         * @method report
+         */
+        report : function(results){
+        
+            //if the form hasn't been created yet, create it
+            if (!this._form){
+                this._form = document.createElement("form");
+                this._form.method = "post";
+                this._form.style.visibility = "hidden";
+                this._form.style.position = "absolute";
+                this._form.style.top = 0;
+                document.body.appendChild(this._form);
+            
+                //IE won't let you assign a name using the DOM, must do it the hacky way
+                try {
+                    this._iframe = document.createElement("<iframe name=\"yuiTestTarget\" />");
+                } catch (ex){
+                    this._iframe = document.createElement("iframe");
+                    this._iframe.name = "yuiTestTarget";
+                }
+    
+                this._iframe.src = "javascript:false";
+                this._iframe.style.visibility = "hidden";
+                this._iframe.style.position = "absolute";
+                this._iframe.style.top = 0;
+                document.body.appendChild(this._iframe);
+    
+                this._form.target = "yuiTestTarget";
+            }
+    
+            //set the form's action
+            this._form.action = this.url;
+        
+            //remove any existing fields
+            while(this._form.hasChildNodes()){
+                this._form.removeChild(this._form.lastChild);
+            }
+            
+            //create default fields
+            this._fields.results = this.format(results);
+            this._fields.useragent = navigator.userAgent;
+            this._fields.timestamp = (new Date()).toLocaleString();
+    
+            //add fields to the form
+            for (var prop in this._fields){
+                var value = this._fields[prop];
+                if (this._fields.hasOwnProperty(prop) && (typeof value != "function")){
+                    var input = document.createElement("input");
+                    input.type = "hidden";
+                    input.name = prop;
+                    input.value = value;
+                    this._form.appendChild(input);
+                }
+            }
+    
+            //remove default fields
+            delete this._fields.results;
+            delete this._fields.useragent;
+            delete this._fields.timestamp;
+            
+            if (arguments[1] !== false){
+                this._form.submit();
+            }
+        
+        }
+    
+    };
+    
+    /**
+     * Runs test suites and test cases, providing events to allowing for the
+     * interpretation of test results.
+     * @namespace Test
+     * @module test
+ * @class TestRunner
+     * @static
+     */
+    YUITest.TestRunner = function(){
+
+        /*(intentionally not documented)
+         * Determines if any of the array of test groups appears
+         * in the given TestRunner filter.
+         * @param {Array} testGroups The array of test groups to
+         *      search for.
+         * @param {String} filter The TestRunner groups filter.
+         */
+        function inGroups(testGroups, filter){
+            if (!filter.length){
+                return true;
+            } else {                
+                if (testGroups){
+                    for (var i=0, len=testGroups.length; i < len; i++){
+                        if (filter.indexOf("," + testGroups[i] + ",") > -1){
+                            return true;
+                        }
+                    }
+                }
+                return false;
+            }
+        }
+    
+        /**
+         * A node in the test tree structure. May represent a TestSuite, TestCase, or
+         * test function.
+         * @param {Variant} testObject A TestSuite, TestCase, or the name of a test function.
+         * @module test
+ * @class TestNode
+         * @constructor
+         * @private
+         */
+        function TestNode(testObject){
+        
+            /**
+             * The TestSuite, TestCase, or test function represented by this node.
+             * @type Variant
+             * @property testObject
+             */
+            this.testObject = testObject;
+            
+            /**
+             * Pointer to this node's first child.
+             * @type TestNode
+             * @property firstChild
+             */        
+            this.firstChild = null;
+            
+            /**
+             * Pointer to this node's last child.
+             * @type TestNode
+             * @property lastChild
+             */        
+            this.lastChild = null;
+            
+            /**
+             * Pointer to this node's parent.
+             * @type TestNode
+             * @property parent
+             */        
+            this.parent = null; 
+       
+            /**
+             * Pointer to this node's next sibling.
+             * @type TestNode
+             * @property next
+             */        
+            this.next = null;
+            
+            /**
+             * Test results for this test object.
+             * @type object
+             * @property results
+             */                
+            this.results = new YUITest.Results();
+            
+            //initialize results
+            if (testObject instanceof YUITest.TestSuite){
+                this.results.type = "testsuite";
+                this.results.name = testObject.name;
+            } else if (testObject instanceof YUITest.TestCase){
+                this.results.type = "testcase";
+                this.results.name = testObject.name;
+            }
+           
+        }
+        
+        TestNode.prototype = {
+        
+            /**
+             * Appends a new test object (TestSuite, TestCase, or test function name) as a child
+             * of this node.
+             * @param {Variant} testObject A TestSuite, TestCase, or the name of a test function.
+             * @return {Void}
+             * @method appendChild
+             */
+            appendChild : function (testObject){
+                var node = new TestNode(testObject);
+                if (this.firstChild === null){
+                    this.firstChild = this.lastChild = node;
+                } else {
+                    this.lastChild.next = node;
+                    this.lastChild = node;
+                }
+                node.parent = this;
+                return node;
+            }       
+        };
+    
+        /**
+         * Runs test suites and test cases, providing events to allowing for the
+         * interpretation of test results.
+         * @namespace Test
+         * @module test
+ * @class Runner
+         * @static
+         */
+        function TestRunner(){
+        
+            //inherit from EventTarget
+            YUITest.EventTarget.call(this);
+            
+            /**
+             * Suite on which to attach all TestSuites and TestCases to be run.
+             * @type YUITest.TestSuite
+             * @property masterSuite
+             * @static
+             * @private
+             */
+            this.masterSuite = new YUITest.TestSuite(YUITest.guid('testSuite_'));
+    
+            /**
+             * Pointer to the current node in the test tree.
+             * @type TestNode
+             * @private
+             * @property _cur
+             * @static
+             */
+            this._cur = null;
+            
+            /**
+             * Pointer to the root node in the test tree.
+             * @type TestNode
+             * @private
+             * @property _root
+             * @static
+             */
+            this._root = null;
+            
+            /**
+             * Indicates if the TestRunner will log events or not.
+             * @type Boolean
+             * @property _log
+             * @private
+             * @static
+             */
+            this._log = true;
+            
+            /**
+             * Indicates if the TestRunner is waiting as a result of
+             * wait() being called.
+             * @type Boolean
+             * @property _waiting
+             * @private
+             * @static
+             */
+            this._waiting = false;
+            
+            /**
+             * Indicates if the TestRunner is currently running tests.
+             * @type Boolean
+             * @private
+             * @property _running
+             * @static
+             */
+            this._running = false;
+            
+            /**
+             * Holds copy of the results object generated when all tests are
+             * complete.
+             * @type Object
+             * @private
+             * @property _lastResults
+             * @static
+             */
+            this._lastResults = null;       
+            
+            /**
+             * Data object that is passed around from method to method.
+             * @type Object
+             * @private
+             * @property _data
+             * @static
+             */
+            this._context = null;
+            
+            /**
+             * The list of test groups to run. The list is represented
+             * by a comma delimited string with commas at the start and
+             * end.
+             * @type String
+             * @private
+             * @property _groups
+             * @static
+             */
+            this._groups = "";
+
+        }
+        
+        TestRunner.prototype = YUITest.Util.mix(new YUITest.EventTarget(), {
+            
+            /**
+            * If true, YUITest will not fire an error for tests with no Asserts.
+            * @property _ignoreEmpty
+            * @private
+            * @type Boolean
+            * @static
+            */
+            _ignoreEmpty: false,
+
+            //restore prototype
+            constructor: YUITest.TestRunner,
+        
+            //-------------------------------------------------------------------------
+            // Constants
+            //-------------------------------------------------------------------------
+             
+            /**
+             * Fires when a test case is opened but before the first 
+             * test is executed.
+             * @event testcasebegin
+             * @static
+             */         
+            TEST_CASE_BEGIN_EVENT : "testcasebegin",
+            
+            /**
+             * Fires when all tests in a test case have been executed.
+             * @event testcasecomplete
+             * @static
+             */        
+            TEST_CASE_COMPLETE_EVENT : "testcasecomplete",
+            
+            /**
+             * Fires when a test suite is opened but before the first 
+             * test is executed.
+             * @event testsuitebegin
+             * @static
+             */        
+            TEST_SUITE_BEGIN_EVENT : "testsuitebegin",
+            
+            /**
+             * Fires when all test cases in a test suite have been
+             * completed.
+             * @event testsuitecomplete
+             * @static
+             */        
+            TEST_SUITE_COMPLETE_EVENT : "testsuitecomplete",
+            
+            /**
+             * Fires when a test has passed.
+             * @event pass
+             * @static
+             */        
+            TEST_PASS_EVENT : "pass",
+            
+            /**
+             * Fires when a test has failed.
+             * @event fail
+             * @static
+             */        
+            TEST_FAIL_EVENT : "fail",
+            
+            /**
+             * Fires when a non-test method has an error.
+             * @event error
+             * @static
+             */        
+            ERROR_EVENT : "error",
+            
+            /**
+             * Fires when a test has been ignored.
+             * @event ignore
+             * @static
+             */        
+            TEST_IGNORE_EVENT : "ignore",
+            
+            /**
+             * Fires when all test suites and test cases have been completed.
+             * @event complete
+             * @static
+             */        
+            COMPLETE_EVENT : "complete",
+            
+            /**
+             * Fires when the run() method is called.
+             * @event begin
+             * @static
+             */        
+            BEGIN_EVENT : "begin",                           
+
+            //-------------------------------------------------------------------------
+            // Test Tree-Related Methods
+            //-------------------------------------------------------------------------
+    
+            /**
+             * Adds a test case to the test tree as a child of the specified node.
+             * @param {TestNode} parentNode The node to add the test case to as a child.
+             * @param {Test.TestCase} testCase The test case to add.
+             * @return {Void}
+             * @static
+             * @private
+             * @method _addTestCaseToTestTree
+             */
+           _addTestCaseToTestTree : function (parentNode, testCase){
+                
+                //add the test suite
+                var node = parentNode.appendChild(testCase),
+                    prop,
+                    testName;
+                
+                //iterate over the items in the test case
+                for (prop in testCase){
+                    if ((prop.indexOf("test") === 0 || prop.indexOf(" ") > -1) && typeof testCase[prop] == "function"){
+                        node.appendChild(prop);
+                    }
+                }
+             
+            },
+            
+            /**
+             * Adds a test suite to the test tree as a child of the specified node.
+             * @param {TestNode} parentNode The node to add the test suite to as a child.
+             * @param {Test.TestSuite} testSuite The test suite to add.
+             * @return {Void}
+             * @static
+             * @private
+             * @method _addTestSuiteToTestTree
+             */
+            _addTestSuiteToTestTree : function (parentNode, testSuite) {
+                
+                //add the test suite
+                var node = parentNode.appendChild(testSuite);
+                
+                //iterate over the items in the master suite
+                for (var i=0; i < testSuite.items.length; i++){
+                    if (testSuite.items[i] instanceof YUITest.TestSuite) {
+                        this._addTestSuiteToTestTree(node, testSuite.items[i]);
+                    } else if (testSuite.items[i] instanceof YUITest.TestCase) {
+                        this._addTestCaseToTestTree(node, testSuite.items[i]);
+                    }                   
+                }            
+            },
+            
+            /**
+             * Builds the test tree based on items in the master suite. The tree is a hierarchical
+             * representation of the test suites, test cases, and test functions. The resulting tree
+             * is stored in _root and the pointer _cur is set to the root initially.
+             * @return {Void}
+             * @static
+             * @private
+             * @method _buildTestTree
+             */
+            _buildTestTree : function () {
+            
+                this._root = new TestNode(this.masterSuite);
+                //this._cur = this._root;
+                
+                //iterate over the items in the master suite
+                for (var i=0; i < this.masterSuite.items.length; i++){
+                    if (this.masterSuite.items[i] instanceof YUITest.TestSuite) {
+                        this._addTestSuiteToTestTree(this._root, this.masterSuite.items[i]);
+                    } else if (this.masterSuite.items[i] instanceof YUITest.TestCase) {
+                        this._addTestCaseToTestTree(this._root, this.masterSuite.items[i]);
+                    }                   
+                }            
+            
+            }, 
+        
+            //-------------------------------------------------------------------------
+            // Private Methods
+            //-------------------------------------------------------------------------
+            
+            /**
+             * Handles the completion of a test object's tests. Tallies test results 
+             * from one level up to the next.
+             * @param {TestNode} node The TestNode representing the test object.
+             * @return {Void}
+             * @method _handleTestObjectComplete
+             * @private
+             */
+            _handleTestObjectComplete : function (node) {
+                var parentNode;
+                
+                if (node && (typeof node.testObject == "object")) {
+                    parentNode = node.parent;
+                
+                    if (parentNode){
+                        parentNode.results.include(node.results); 
+                        parentNode.results[node.testObject.name] = node.results;
+                    }
+                
+                    if (node.testObject instanceof YUITest.TestSuite){
+                        this._execNonTestMethod(node, "tearDown", false);
+                        node.results.duration = (new Date()) - node._start;
+                        this.fire({ type: this.TEST_SUITE_COMPLETE_EVENT, testSuite: node.testObject, results: node.results});
+                    } else if (node.testObject instanceof YUITest.TestCase){
+                        this._execNonTestMethod(node, "destroy", false);
+                        node.results.duration = (new Date()) - node._start;
+                        this.fire({ type: this.TEST_CASE_COMPLETE_EVENT, testCase: node.testObject, results: node.results});
+                    }      
+                } 
+            },                
+            
+            //-------------------------------------------------------------------------
+            // Navigation Methods
+            //-------------------------------------------------------------------------
+            
+            /**
+             * Retrieves the next node in the test tree.
+             * @return {TestNode} The next node in the test tree or null if the end is reached.
+             * @private
+             * @static
+             * @method _next
+             */
+            _next : function () {
+            
+                if (this._cur === null){
+                    this._cur = this._root;
+                } else if (this._cur.firstChild) {
+                    this._cur = this._cur.firstChild;
+                } else if (this._cur.next) {
+                    this._cur = this._cur.next;            
+                } else {
+                    while (this._cur && !this._cur.next && this._cur !== this._root){
+                        this._handleTestObjectComplete(this._cur);
+                        this._cur = this._cur.parent;
+                    }
+                    
+                    this._handleTestObjectComplete(this._cur);               
+                        
+                    if (this._cur == this._root){
+                        this._cur.results.type = "report";
+                        this._cur.results.timestamp = (new Date()).toLocaleString();
+                        this._cur.results.duration = (new Date()) - this._cur._start;   
+                        this._lastResults = this._cur.results;
+                        this._running = false;                         
+                        this.fire({ type: this.COMPLETE_EVENT, results: this._lastResults});
+                        this._cur = null;
+                    } else if (this._cur) {
+                        this._cur = this._cur.next;                
+                    }
+                }
+            
+                return this._cur;
+            },
+            
+            /**
+             * Executes a non-test method (init, setUp, tearDown, destroy)
+             * and traps an errors. If an error occurs, an error event is
+             * fired.
+             * @param {Object} node The test node in the testing tree.
+             * @param {String} methodName The name of the method to execute.
+             * @param {Boolean} allowAsync Determines if the method can be called asynchronously.
+             * @return {Boolean} True if an async method was called, false if not.
+             * @method _execNonTestMethod
+             * @private
+             */
+            _execNonTestMethod: function(node, methodName, allowAsync){
+                var testObject = node.testObject,
+                    event = { type: this.ERROR_EVENT };
+                try {
+                    if (allowAsync && testObject["async:" + methodName]){
+                        testObject["async:" + methodName](this._context);
+                        return true;
+                    } else {
+                        testObject[methodName](this._context);
+                    }
+                } catch (ex){
+                    node.results.errors++;
+                    event.error = ex;
+                    event.methodName = methodName;
+                    if (testObject instanceof YUITest.TestCase){
+                        event.testCase = testObject;
+                    } else {
+                        event.testSuite = testSuite;
+                    }
+                    
+                    this.fire(event);
+                }  
+
+                return false;
+            },
+            
+            /**
+             * Runs a test case or test suite, returning the results.
+             * @param {Test.TestCase|YUITest.TestSuite} testObject The test case or test suite to run.
+             * @return {Object} Results of the execution with properties passed, failed, and total.
+             * @private
+             * @method _run
+             * @static
+             */
+            _run : function () {
+            
+                //flag to indicate if the TestRunner should wait before continuing
+                var shouldWait = false;
+                
+                //get the next test node
+                var node = this._next();
+                
+                if (node !== null) {
+                
+                    //set flag to say the testrunner is running
+                    this._running = true;
+                    
+                    //eliminate last results
+                    this._lastResult = null;                  
+                
+                    var testObject = node.testObject;
+                    
+                    //figure out what to do
+                    if (typeof testObject == "object" && testObject !== null){
+                        if (testObject instanceof YUITest.TestSuite){
+                            this.fire({ type: this.TEST_SUITE_BEGIN_EVENT, testSuite: testObject });
+                            node._start = new Date();
+                            this._execNonTestMethod(node, "setUp" ,false);
+                        } else if (testObject instanceof YUITest.TestCase){
+                            this.fire({ type: this.TEST_CASE_BEGIN_EVENT, testCase: testObject });
+                            node._start = new Date();
+                            
+                            //regular or async init
+                            /*try {
+                                if (testObject["async:init"]){
+                                    testObject["async:init"](this._context);
+                                    return;
+                                } else {
+                                    testObject.init(this._context);
+                                }
+                            } catch (ex){
+                                node.results.errors++;
+                                this.fire({ type: this.ERROR_EVENT, error: ex, testCase: testObject, methodName: "init" });
+                            }*/
+                            if(this._execNonTestMethod(node, "init", true)){
+                                return;
+                            }
+                        }
+                        
+                        //some environments don't support setTimeout
+                        if (typeof setTimeout != "undefined"){                    
+                            setTimeout(function(){
+                                YUITest.TestRunner._run();
+                            }, 0);
+                        } else {
+                            this._run();
+                        }
+                    } else {
+                        this._runTest(node);
+                    }
+    
+                }
+            },
+            
+            _resumeTest : function (segment) {
+            
+                //get relevant information
+                var node = this._cur;                
+                
+                //we know there's no more waiting now
+                this._waiting = false;
+                
+                //if there's no node, it probably means a wait() was called after resume()
+                if (!node){
+                    //TODO: Handle in some way?
+                    //console.log("wait() called after resume()");
+                    //this.fire("error", { testCase: "(unknown)", test: "(unknown)", error: new Error("wait() called after resume()")} );
+                    return;
+                }
+                
+                var testName = node.testObject;
+                var testCase = node.parent.testObject;
+            
+                //cancel other waits if available
+                if (testCase.__yui_wait){
+                    clearTimeout(testCase.__yui_wait);
+                    delete testCase.__yui_wait;
+                }
+
+                //get the "should" test cases
+                var shouldFail = testName.indexOf("fail:") === 0 ||
+                                    (testCase._should.fail || {})[testName];
+                var shouldError = (testCase._should.error || {})[testName];
+                
+                //variable to hold whether or not the test failed
+                var failed = false;
+                var error = null;
+                    
+                //try the test
+                try {
+                
+                    //run the test
+                    segment.call(testCase, this._context);                    
+                
+                    //if the test hasn't already failed and doesn't have any asserts...
+                    if(YUITest.Assert._getCount() == 0 && !this._ignoreEmpty){
+                        throw new YUITest.AssertionError("Test has no asserts.");
+                    }                                                        
+                    //if it should fail, and it got here, then it's a fail because it didn't
+                     else if (shouldFail){
+                        error = new YUITest.ShouldFail();
+                        failed = true;
+                    } else if (shouldError){
+                        error = new YUITest.ShouldError();
+                        failed = true;
+                    }
+                               
+                } catch (thrown){
+
+                    //cancel any pending waits, the test already failed
+                    if (testCase.__yui_wait){
+                        clearTimeout(testCase.__yui_wait);
+                        delete testCase.__yui_wait;
+                    }                    
+                
+                    //figure out what type of error it was
+                    if (thrown instanceof YUITest.AssertionError) {
+                        if (!shouldFail){
+                            error = thrown;
+                            failed = true;
+                        }
+                    } else if (thrown instanceof YUITest.Wait){
+                    
+                        if (typeof thrown.segment == "function"){
+                            if (typeof thrown.delay == "number"){
+                            
+                                //some environments don't support setTimeout
+                                if (typeof setTimeout != "undefined"){
+                                    testCase.__yui_wait = setTimeout(function(){
+                                        YUITest.TestRunner._resumeTest(thrown.segment);
+                                    }, thrown.delay);
+                                    this._waiting = true;
+                                } else {
+                                    throw new Error("Asynchronous tests not supported in this environment.");
+                                }
+                            }
+                        }
+                        
+                        return;
+                    
+                    } else {
+                        //first check to see if it should error
+                        if (!shouldError) {                        
+                            error = new YUITest.UnexpectedError(thrown);
+                            failed = true;
+                        } else {
+                            //check to see what type of data we have
+                            if (typeof shouldError == "string"){
+                                
+                                //if it's a string, check the error message
+                                if (thrown.message != shouldError){
+                                    error = new YUITest.UnexpectedError(thrown);
+                                    failed = true;                                    
+                                }
+                            } else if (typeof shouldError == "function"){
+                            
+                                //if it's a function, see if the error is an instance of it
+                                if (!(thrown instanceof shouldError)){
+                                    error = new YUITest.UnexpectedError(thrown);
+                                    failed = true;
+                                }
+                            
+                            } else if (typeof shouldError == "object" && shouldError !== null){
+                            
+                                //if it's an object, check the instance and message
+                                if (!(thrown instanceof shouldError.constructor) || 
+                                        thrown.message != shouldError.message){
+                                    error = new YUITest.UnexpectedError(thrown);
+                                    failed = true;                                    
+                                }
+                            
+                            }
+                        
+                        }
+                    }
+                    
+                }
+                
+                //fire appropriate event
+                if (failed) {
+                    this.fire({ type: this.TEST_FAIL_EVENT, testCase: testCase, testName: testName, error: error });
+                } else {
+                    this.fire({ type: this.TEST_PASS_EVENT, testCase: testCase, testName: testName });
+                }
+                
+                //run the tear down
+                this._execNonTestMethod(node.parent, "tearDown", false);
+                
+                //reset the assert count
+                YUITest.Assert._reset();
+                
+                //calculate duration
+                var duration = (new Date()) - node._start;
+                
+                //update results
+                node.parent.results[testName] = { 
+                    result: failed ? "fail" : "pass",
+                    message: error ? error.getMessage() : "Test passed",
+                    type: "test",
+                    name: testName,
+                    duration: duration
+                };
+                
+                if (failed){
+                    node.parent.results.failed++;
+                } else {
+                    node.parent.results.passed++;
+                }
+                node.parent.results.total++;
+    
+                //set timeout not supported in all environments
+                if (typeof setTimeout != "undefined"){
+                    setTimeout(function(){
+                        YUITest.TestRunner._run();
+                    }, 0);
+                } else {
+                    this._run();
+                }
+            
+            },
+            
+            /**
+             * Handles an error as if it occurred within the currently executing
+             * test. This is for mock methods that may be called asynchronously
+             * and therefore out of the scope of the TestRunner. Previously, this
+             * error would bubble up to the browser. Now, this method is used
+             * to tell TestRunner about the error. This should never be called
+             * by anyplace other than the Mock object.
+             * @param {Error} error The error object.
+             * @return {Void}
+             * @method _handleError
+             * @private
+             * @static
+             */
+            _handleError: function(error){
+            
+                if (this._waiting){
+                    this._resumeTest(function(){
+                        throw error;
+                    });
+                } else {
+                    throw error;
+                }           
+            
+            },
+                    
+            /**
+             * Runs a single test based on the data provided in the node.
+             * @method _runTest
+             * @param {TestNode} node The TestNode representing the test to run.
+             * @return {Void}
+             * @static
+             * @private
+             */
+            _runTest : function (node) {
+            
+                //get relevant information
+                var testName = node.testObject,
+                    testCase = node.parent.testObject,
+                    test = testCase[testName],
+                
+                    //get the "should" test cases
+                    shouldIgnore = testName.indexOf("ignore:") === 0 ||
+                                    !inGroups(testCase.groups, this._groups) ||
+                                    (testCase._should.ignore || {})[testName];   //deprecated
+                
+                //figure out if the test should be ignored or not
+                if (shouldIgnore){
+                
+                    //update results
+                    node.parent.results[testName] = { 
+                        result: "ignore",
+                        message: "Test ignored",
+                        type: "test",
+                        name: testName.indexOf("ignore:") === 0 ? testName.substring(7) : testName
+                    };
+                    
+                    node.parent.results.ignored++;
+                    node.parent.results.total++;
+                
+                    this.fire({ type: this.TEST_IGNORE_EVENT,  testCase: testCase, testName: testName });
+                    
+                    //some environments don't support setTimeout
+                    if (typeof setTimeout != "undefined"){                    
+                        setTimeout(function(){
+                            YUITest.TestRunner._run();
+                        }, 0);              
+                    } else {
+                        this._run();
+                    }
+    
+                } else {
+                
+                    //mark the start time
+                    node._start = new Date();
+                
+                    //run the setup
+                    this._execNonTestMethod(node.parent, "setUp", false);
+                    
+                    //now call the body of the test
+                    this._resumeTest(test);                
+                }
+    
+            },            
+
+            //-------------------------------------------------------------------------
+            // Misc Methods
+            //-------------------------------------------------------------------------   
+
+            /**
+             * Retrieves the name of the current result set.
+             * @return {String} The name of the result set.
+             * @method getName
+             */
+            getName: function(){
+                return this.masterSuite.name;
+            },         
+
+            /**
+             * The name assigned to the master suite of the TestRunner. This is the name
+             * that is output as the root's name when results are retrieved.
+             * @param {String} name The name of the result set.
+             * @return {Void}
+             * @method setName
+             */
+            setName: function(name){
+                this.masterSuite.name = name;
+            },            
+            
+            //-------------------------------------------------------------------------
+            // Public Methods
+            //-------------------------------------------------------------------------   
+        
+            /**
+             * Adds a test suite or test case to the list of test objects to run.
+             * @param testObject Either a TestCase or a TestSuite that should be run.
+             * @return {Void}
+             * @method add
+             * @static
+             */
+            add : function (testObject) {
+                this.masterSuite.add(testObject);
+                return this;
+            },
+            
+            /**
+             * Removes all test objects from the runner.
+             * @return {Void}
+             * @method clear
+             * @static
+             */
+            clear : function () {
+                this.masterSuite = new YUITest.TestSuite(YUITest.guid('testSuite_'));
+            },
+            
+            /**
+             * Indicates if the TestRunner is waiting for a test to resume
+             * @return {Boolean} True if the TestRunner is waiting, false if not.
+             * @method isWaiting
+             * @static
+             */
+            isWaiting: function() {
+                return this._waiting;
+            },
+            
+            /**
+             * Indicates that the TestRunner is busy running tests and therefore can't
+             * be stopped and results cannot be gathered.
+             * @return {Boolean} True if the TestRunner is running, false if not.
+             * @method isRunning
+             */
+            isRunning: function(){
+                return this._running;
+            },
+            
+            /**
+             * Returns the last complete results set from the TestRunner. Null is returned
+             * if the TestRunner is running or no tests have been run.
+             * @param {Function} format (Optional) A test format to return the results in.
+             * @return {Object|String} Either the results object or, if a test format is 
+             *      passed as the argument, a string representing the results in a specific
+             *      format.
+             * @method getResults
+             */
+            getResults: function(format){
+                if (!this._running && this._lastResults){
+                    if (typeof format == "function"){
+                        return format(this._lastResults);                    
+                    } else {
+                        return this._lastResults;
+                    }
+                } else {
+                    return null;
+                }
+            },            
+            
+            /**
+             * Returns the coverage report for the files that have been executed.
+             * This returns only coverage information for files that have been
+             * instrumented using YUI Test Coverage and only those that were run
+             * in the same pass.
+             * @param {Function} format (Optional) A coverage format to return results in.
+             * @return {Object|String} Either the coverage object or, if a coverage
+             *      format is specified, a string representing the results in that format.
+             * @method getCoverage
+             */
+            getCoverage: function(format) {
+                var covObject = null;
+                if (typeof _yuitest_coverage === "object") {
+                    covObject = _yuitest_coverage;
+                }
+                if (typeof __coverage__ === "object") {
+                    covObject = __coverage__;
+                }
+                if (!this._running && typeof covObject == "object"){
+                    if (typeof format == "function") {
+                        return format(covObject);                    
+                    } else {
+                        return covObject;
+                    }
+                } else {
+                    return null;
+                }            
+            },
+            
+            /**
+             * Used to continue processing when a method marked with
+             * "async:" is executed. This should not be used in test
+             * methods, only in init(). Each argument is a string, and
+             * when the returned function is executed, the arguments
+             * are assigned to the context data object using the string
+             * as the key name (value is the argument itself).
+             * @private
+             * @return {Function} A callback function.
+             * @method callback
+             */
+            callback: function(){
+                var names   = arguments,
+                    data    = this._context,
+                    that    = this;
+                    
+                return function(){
+                    for (var i=0; i < arguments.length; i++){
+                        data[names[i]] = arguments[i];
+                    }
+                    that._run();
+                };
+            },
+            
+            /**
+             * Resumes the TestRunner after wait() was called.
+             * @param {Function} segment The function to run as the rest
+             *      of the haulted test.
+             * @return {Void}
+             * @method resume
+             * @static
+             */
+            resume : function (segment) {
+                if (this._waiting){
+                    this._resumeTest(segment || function(){});
+                } else {
+                    throw new Error("resume() called without wait().");
+                }
+            },
+        
+            /**
+             * Runs the test suite.
+             * @param {Object|Boolean} options (Optional) Options for the runner:
+             *      <code>oldMode</code> indicates the TestRunner should work in the YUI <= 2.8 way
+             *      of internally managing test suites. <code>groups</code> is an array
+             *      of test groups indicating which tests to run.
+             * @return {Void}
+             * @method run
+             * @static
+             */
+            run : function (options) {
+
+                options = options || {};
+                
+                //pointer to runner to avoid scope issues 
+                var runner  = YUITest.TestRunner,
+                    oldMode = options.oldMode;
+                
+                
+                //if there's only one suite on the masterSuite, move it up
+                if (!oldMode && this.masterSuite.items.length == 1 && this.masterSuite.items[0] instanceof YUITest.TestSuite){
+                    this.masterSuite = this.masterSuite.items[0];
+                }                
+                
+                //determine if there are any groups to filter on
+                runner._groups = (options.groups instanceof Array) ? "," + options.groups.join(",") + "," : "";
+                
+                //initialize the runner
+                runner._buildTestTree();
+                runner._context = {};
+                runner._root._start = new Date();
+                
+                //fire the begin event
+                runner.fire(runner.BEGIN_EVENT);
+           
+                //begin the testing
+                runner._run();
+            }    
+        });
+        
+        return new TestRunner();
+        
+    }();
+
+/**
+ * The ArrayAssert object provides functions to test JavaScript array objects
+ * for a variety of cases.
+ * @namespace Test
+ * @module test
+ * @class ArrayAssert
+ * @static
+ */
+ 
+YUITest.ArrayAssert = {
+
+    //=========================================================================
+    // Private methods
+    //=========================================================================
+    
+    /**
+     * Simple indexOf() implementation for an array. Defers to native
+     * if available.
+     * @param {Array} haystack The array to search.
+     * @param {Variant} needle The value to locate.
+     * @return {int} The index of the needle if found or -1 if not.
+     * @method _indexOf
+     * @private
+     */
+    _indexOf: function(haystack, needle){
+        if (haystack.indexOf){
+            return haystack.indexOf(needle);
+        } else {
+            for (var i=0; i < haystack.length; i++){
+                if (haystack[i] === needle){
+                    return i;
+                }
+            }
+            return -1;
+        }
+    },
+    
+    /**
+     * Simple some() implementation for an array. Defers to native
+     * if available.
+     * @param {Array} haystack The array to search.
+     * @param {Function} matcher The function to run on each value.
+     * @return {Boolean} True if any value, when run through the matcher,
+     *      returns true.
+     * @method _some
+     * @private
+     */
+    _some: function(haystack, matcher){
+        if (haystack.some){
+            return haystack.some(matcher);
+        } else {
+            for (var i=0; i < haystack.length; i++){
+                if (matcher(haystack[i])){
+                    return true;
+                }
+            }
+            return false;
+        }
+    },    
+
+    /**
+     * Asserts that a value is present in an array. This uses the triple equals 
+     * sign so no type coercion may occur.
+     * @param {Object} needle The value that is expected in the array.
+     * @param {Array} haystack An array of values.
+     * @param {String} message (Optional) The message to display if the assertion fails.
+     * @method contains
+     * @static
+     */
+    contains : function (needle, haystack, 
+                           message) {
+        
+        YUITest.Assert._increment();               
+
+        if (this._indexOf(haystack, needle) == -1){
+            YUITest.Assert.fail(YUITest.Assert._formatMessage(message, "Value " + needle + " (" + (typeof needle) + ") not found in array [" + haystack + "]."));
+        }
+    },
+
+    /**
+     * Asserts that a set of values are present in an array. This uses the triple equals 
+     * sign so no type coercion may occur. For this assertion to pass, all values must
+     * be found.
+     * @param {Object[]} needles An array of values that are expected in the array.
+     * @param {Array} haystack An array of values to check.
+     * @param {String} message (Optional) The message to display if the assertion fails.
+     * @method containsItems
+     * @static
+     */
+    containsItems : function (needles, haystack, 
+                           message) {
+        YUITest.Assert._increment();               
+
+        //begin checking values
+        for (var i=0; i < needles.length; i++){
+            if (this._indexOf(haystack, needles[i]) == -1){
+                YUITest.Assert.fail(YUITest.Assert._formatMessage(message, "Value " + needles[i] + " (" + (typeof needles[i]) + ") not found in array [" + haystack + "]."));
+            }
+        }
+    },
+
+    /**
+     * Asserts that a value matching some condition is present in an array. This uses
+     * a function to determine a match.
+     * @param {Function} matcher A function that returns true if the items matches or false if not.
+     * @param {Array} haystack An array of values.
+     * @param {String} message (Optional) The message to display if the assertion fails.
+     * @method containsMatch
+     * @static
+     */
+    containsMatch : function (matcher, haystack, 
+                           message) {
+        
+        YUITest.Assert._increment();               
+        //check for valid matcher
+        if (typeof matcher != "function"){
+            throw new TypeError("ArrayAssert.containsMatch(): First argument must be a function.");
+        }
+        
+        if (!this._some(haystack, matcher)){
+            YUITest.Assert.fail(YUITest.Assert._formatMessage(message, "No match found in array [" + haystack + "]."));
+        }
+    },
+
+    /**
+     * Asserts that a value is not present in an array. This uses the triple equals 
+     * Asserts that a value is not present in an array. This uses the triple equals 
+     * sign so no type coercion may occur.
+     * @param {Object} needle The value that is expected in the array.
+     * @param {Array} haystack An array of values.
+     * @param {String} message (Optional) The message to display if the assertion fails.
+     * @method doesNotContain
+     * @static
+     */
+    doesNotContain : function (needle, haystack, 
+                           message) {
+        
+        YUITest.Assert._increment();               
+
+        if (this._indexOf(haystack, needle) > -1){
+            YUITest.Assert.fail(YUITest.Assert._formatMessage(message, "Value found in array [" + haystack + "]."));
+        }
+    },
+
+    /**
+     * Asserts that a set of values are not present in an array. This uses the triple equals 
+     * sign so no type coercion may occur. For this assertion to pass, all values must
+     * not be found.
+     * @param {Object[]} needles An array of values that are not expected in the array.
+     * @param {Array} haystack An array of values to check.
+     * @param {String} message (Optional) The message to display if the assertion fails.
+     * @method doesNotContainItems
+     * @static
+     */
+    doesNotContainItems : function (needles, haystack, 
+                           message) {
+
+        YUITest.Assert._increment();               
+
+        for (var i=0; i < needles.length; i++){
+            if (this._indexOf(haystack, needles[i]) > -1){
+                YUITest.Assert.fail(YUITest.Assert._formatMessage(message, "Value found in array [" + haystack + "]."));
+            }
+        }
+
+    },
+        
+    /**
+     * Asserts that no values matching a condition are present in an array. This uses
+     * a function to determine a match.
+     * @param {Function} matcher A function that returns true if the item matches or false if not.
+     * @param {Array} haystack An array of values.
+     * @param {String} message (Optional) The message to display if the assertion fails.
+     * @method doesNotContainMatch
+     * @static
+     */
+    doesNotContainMatch : function (matcher, haystack, 
+                           message) {
+        
+        YUITest.Assert._increment();     
+      
+        //check for valid matcher
+        if (typeof matcher != "function"){
+            throw new TypeError("ArrayAssert.doesNotContainMatch(): First argument must be a function.");
+        }
+        
+        if (this._some(haystack, matcher)){
+            YUITest.Assert.fail(YUITest.Assert._formatMessage(message, "Value found in array [" + haystack + "]."));
+        }
+    },
+        
+    /**
+     * Asserts that the given value is contained in an array at the specified index.
+     * This uses the triple equals sign so no type coercion will occur.
+     * @param {Object} needle The value to look for.
+     * @param {Array} haystack The array to search in.
+     * @param {int} index The index at which the value should exist.
+     * @param {String} message (Optional) The message to display if the assertion fails.
+     * @method indexOf
+     * @static
+     */
+    indexOf : function (needle, haystack, index, message) {
+    
+        YUITest.Assert._increment();     
+
+        //try to find the value in the array
+        for (var i=0; i < haystack.length; i++){
+            if (haystack[i] === needle){
+                if (index != i){
+                    YUITest.Assert.fail(YUITest.Assert._formatMessage(message, "Value exists at index " + i + " but should be at index " + index + "."));                    
+                }
+                return;
+            }
+        }
+        
+        //if it makes it here, it wasn't found at all
+        YUITest.Assert.fail(YUITest.Assert._formatMessage(message, "Value doesn't exist in array [" + haystack + "]."));
+    },
+        
+    /**
+     * Asserts that the values in an array are equal, and in the same position,
+     * as values in another array. This uses the double equals sign
+     * so type coercion may occur. Note that the array objects themselves
+     * need not be the same for this test to pass.
+     * @param {Array} expected An array of the expected values.
+     * @param {Array} actual Any array of the actual values.
+     * @param {String} message (Optional) The message to display if the assertion fails.
+     * @method itemsAreEqual
+     * @static
+     */
+    itemsAreEqual : function (expected, actual, 
+                           message) {
+        
+        YUITest.Assert._increment();     
+        
+        //first make sure they're array-like (this can probably be improved)
+        if (typeof expected != "object" || typeof actual != "object"){
+            YUITest.Assert.fail(YUITest.Assert._formatMessage(message, "Value should be an array."));
+        }
+        
+        //next check array length
+        if (expected.length != actual.length){
+            YUITest.Assert.fail(YUITest.Assert._formatMessage(message, "Array should have a length of " + expected.length + " but has a length of " + actual.length + "."));
+        }
+       
+        //begin checking values
+        for (var i=0; i < expected.length; i++){
+            if (expected[i] != actual[i]){
+                throw new YUITest.ComparisonFailure(YUITest.Assert._formatMessage(message, "Values in position " + i + " are not equal."), expected[i], actual[i]);
+            }
+        }
+    },
+    
+    /**
+     * Asserts that the values in an array are equivalent, and in the same position,
+     * as values in another array. This uses a function to determine if the values
+     * are equivalent. Note that the array objects themselves
+     * need not be the same for this test to pass.
+     * @param {Array} expected An array of the expected values.
+     * @param {Array} actual Any array of the actual values.
+     * @param {Function} comparator A function that returns true if the values are equivalent
+     *      or false if not.
+     * @param {String} message (Optional) The message to display if the assertion fails.
+     * @return {Void}
+     * @method itemsAreEquivalent
+     * @static
+     */
+    itemsAreEquivalent : function (expected, actual, 
+                           comparator, message) {
+        
+        YUITest.Assert._increment();     
+
+        //make sure the comparator is valid
+        if (typeof comparator != "function"){
+            throw new TypeError("ArrayAssert.itemsAreEquivalent(): Third argument must be a function.");
+        }
+        
+        //first check array length
+        if (expected.length != actual.length){
+            YUITest.Assert.fail(YUITest.Assert._formatMessage(message, "Array should have a length of " + expected.length + " but has a length of " + actual.length));
+        }
+        
+        //begin checking values
+        for (var i=0; i < expected.length; i++){
+            if (!comparator(expected[i], actual[i])){
+                throw new YUITest.ComparisonFailure(YUITest.Assert._formatMessage(message, "Values in position " + i + " are not equivalent."), expected[i], actual[i]);
+            }
+        }
+    },
+    
+    /**
+     * Asserts that an array is empty.
+     * @param {Array} actual The array to test.
+     * @param {String} message (Optional) The message to display if the assertion fails.
+     * @method isEmpty
+     * @static
+     */
+    isEmpty : function (actual, message) {        
+        YUITest.Assert._increment();     
+        if (actual.length > 0){
+            YUITest.Assert.fail(YUITest.Assert._formatMessage(message, "Array should be empty."));
+        }
+    },    
+    
+    /**
+     * Asserts that an array is not empty.
+     * @param {Array} actual The array to test.
+     * @param {String} message (Optional) The message to display if the assertion fails.
+     * @method isNotEmpty
+     * @static
+     */
+    isNotEmpty : function (actual, message) {        
+        YUITest.Assert._increment();     
+        if (actual.length === 0){
+            YUITest.Assert.fail(YUITest.Assert._formatMessage(message, "Array should not be empty."));
+        }
+    },    
+    
+    /**
+     * Asserts that the values in an array are the same, and in the same position,
+     * as values in another array. This uses the triple equals sign
+     * so no type coercion will occur. Note that the array objects themselves
+     * need not be the same for this test to pass.
+     * @param {Array} expected An array of the expected values.
+     * @param {Array} actual Any array of the actual values.
+     * @param {String} message (Optional) The message to display if the assertion fails.
+     * @method itemsAreSame
+     * @static
+     */
+    itemsAreSame : function (expected, actual, 
+                          message) {
+        
+        YUITest.Assert._increment();     
+
+        //first check array length
+        if (expected.length != actual.length){
+            YUITest.Assert.fail(YUITest.Assert._formatMessage(message, "Array should have a length of " + expected.length + " but has a length of " + actual.length));
+        }
+                    
+        //begin checking values
+        for (var i=0; i < expected.length; i++){
+            if (expected[i] !== actual[i]){
+                throw new YUITest.ComparisonFailure(YUITest.Assert._formatMessage(message, "Values in position " + i + " are not the same."), expected[i], actual[i]);
+            }
+        }
+    },
+    
+    /**
+     * Asserts that the given value is contained in an array at the specified index,
+     * starting from the back of the array.
+     * This uses the triple equals sign so no type coercion will occur.
+     * @param {Object} needle The value to look for.
+     * @param {Array} haystack The array to search in.
+     * @param {int} index The index at which the value should exist.
+     * @param {String} message (Optional) The message to display if the assertion fails.
+     * @method lastIndexOf
+     * @static
+     */
+    lastIndexOf : function (needle, haystack, index, message) {
+    
+        //try to find the value in the array
+        for (var i=haystack.length; i >= 0; i--){
+            if (haystack[i] === needle){
+                if (index != i){
+                    YUITest.Assert.fail(YUITest.Assert._formatMessage(message, "Value exists at index " + i + " but should be at index " + index + "."));                    
+                }
+                return;
+            }
+        }
+        
+        //if it makes it here, it wasn't found at all
+        YUITest.Assert.fail(YUITest.Assert._formatMessage(message, "Value doesn't exist in array."));        
+    }
+    
+};
+  
+/**
+ * The Assert object provides functions to test JavaScript values against
+ * known and expected results. Whenever a comparison (assertion) fails,
+ * an error is thrown.
+ * @namespace Test
+ * @module test
+ * @class Assert
+ * @static
+ */
+YUITest.Assert = {
+
+    /**
+     * The number of assertions performed.
+     * @property _asserts
+     * @type int
+     * @private
+     */
+    _asserts: 0,
+
+    //-------------------------------------------------------------------------
+    // Helper Methods
+    //-------------------------------------------------------------------------
+    
+    /**
+     * Formats a message so that it can contain the original assertion message
+     * in addition to the custom message.
+     * @param {String} customMessage The message passed in by the developer.
+     * @param {String} defaultMessage The message created by the error by default.
+     * @return {String} The final error message, containing either or both.
+     * @protected
+     * @static
+     * @method _formatMessage
+     */
+    _formatMessage : function (customMessage, defaultMessage) {
+        if (typeof customMessage == "string" && customMessage.length > 0){
+            return customMessage.replace("{message}", defaultMessage);
+        } else {
+            return defaultMessage;
+        }        
+    },
+    
+    /**
+     * Returns the number of assertions that have been performed.
+     * @method _getCount
+     * @protected
+     * @static
+     */
+    _getCount: function(){
+        return this._asserts;
+    },
+    
+    /**
+     * Increments the number of assertions that have been performed.
+     * @method _increment
+     * @protected
+     * @static
+     */
+    _increment: function(){
+        this._asserts++;
+    },
+    
+    /**
+     * Resets the number of assertions that have been performed to 0.
+     * @method _reset
+     * @protected
+     * @static
+     */
+    _reset: function(){
+        this._asserts = 0;
+    },
+    
+    //-------------------------------------------------------------------------
+    // Generic Assertion Methods
+    //-------------------------------------------------------------------------
+    
+    /** 
+     * Forces an assertion error to occur.
+     * @param {String} message (Optional) The message to display with the failure.
+     * @method fail
+     * @static
+     */
+    fail : function (message) {
+        throw new YUITest.AssertionError(YUITest.Assert._formatMessage(message, "Test force-failed."));
+    },       
+    
+    /** 
+     * A marker that the test should pass.
+     * @method pass
+     * @static
+     */
+    pass : function (message) {
+        YUITest.Assert._increment();
+    },       
+    
+    //-------------------------------------------------------------------------
+    // Equality Assertion Methods
+    //-------------------------------------------------------------------------    
+    
+    /**
+     * Asserts that a value is equal to another. This uses the double equals sign
+     * so type coercion may occur.
+     * @param {Object} expected The expected value.
+     * @param {Object} actual The actual value to test.
+     * @param {String} message (Optional) The message to display if the assertion fails.
+     * @method areEqual
+     * @static
+     */
+    areEqual : function (expected, actual, message) {
+        YUITest.Assert._increment();
+        if (expected != actual) {
+            throw new YUITest.ComparisonFailure(YUITest.Assert._formatMessage(message, "Values should be equal."), expected, actual);
+        }
+    },
+    
+    /**
+     * Asserts that a value is not equal to another. This uses the double equals sign
+     * so type coercion may occur.
+     * @param {Object} unexpected The unexpected value.
+     * @param {Object} actual The actual value to test.
+     * @param {String} message (Optional) The message to display if the assertion fails.
+     * @method areNotEqual
+     * @static
+     */
+    areNotEqual : function (unexpected, actual, 
+                         message) {
+        YUITest.Assert._increment();
+        if (unexpected == actual) {
+            throw new YUITest.UnexpectedValue(YUITest.Assert._formatMessage(message, "Values should not be equal."), unexpected);
+        }
+    },
+    
+    /**
+     * Asserts that a value is not the same as another. This uses the triple equals sign
+     * so no type coercion may occur.
+     * @param {Object} unexpected The unexpected value.
+     * @param {Object} actual The actual value to test.
+     * @param {String} message (Optional) The message to display if the assertion fails.
+     * @method areNotSame
+     * @static
+     */
+    areNotSame : function (unexpected, actual, message) {
+        YUITest.Assert._increment();
+        if (unexpected === actual) {
+            throw new YUITest.UnexpectedValue(YUITest.Assert._formatMessage(message, "Values should not be the same."), unexpected);
+        }
+    },
+
+    /**
+     * Asserts that a value is the same as another. This uses the triple equals sign
+     * so no type coercion may occur.
+     * @param {Object} expected The expected value.
+     * @param {Object} actual The actual value to test.
+     * @param {String} message (Optional) The message to display if the assertion fails.
+     * @method areSame
+     * @static
+     */
+    areSame : function (expected, actual, message) {
+        YUITest.Assert._increment();
+        if (expected !== actual) {
+            throw new YUITest.ComparisonFailure(YUITest.Assert._formatMessage(message, "Values should be the same."), expected, actual);
+        }
+    },    
+    
+    //-------------------------------------------------------------------------
+    // Boolean Assertion Methods
+    //-------------------------------------------------------------------------    
+    
+    /**
+     * Asserts that a value is false. This uses the triple equals sign
+     * so no type coercion may occur.
+     * @param {Object} actual The actual value to test.
+     * @param {String} message (Optional) The message to display if the assertion fails.
+     * @method isFalse
+     * @static
+     */
+    isFalse : function (actual, message) {
+        YUITest.Assert._increment();
+        if (false !== actual) {
+            throw new YUITest.ComparisonFailure(YUITest.Assert._formatMessage(message, "Value should be false."), false, actual);
+        }
+    },
+    
+    /**
+     * Asserts that a value is true. This uses the triple equals sign
+     * so no type coercion may occur.
+     * @param {Object} actual The actual value to test.
+     * @param {String} message (Optional) The message to display if the assertion fails.
+     * @method isTrue
+     * @static
+     */
+    isTrue : function (actual, message) {
+        YUITest.Assert._increment();
+        if (true !== actual) {
+            throw new YUITest.ComparisonFailure(YUITest.Assert._formatMessage(message, "Value should be true."), true, actual);
+        }
+
+    },
+    
+    //-------------------------------------------------------------------------
+    // Special Value Assertion Methods
+    //-------------------------------------------------------------------------    
+    
+    /**
+     * Asserts that a value is not a number.
+     * @param {Object} actual The value to test.
+     * @param {String} message (Optional) The message to display if the assertion fails.
+     * @method isNaN
+     * @static
+     */
+    isNaN : function (actual, message){
+        YUITest.Assert._increment();
+        if (!isNaN(actual)){
+            throw new YUITest.ComparisonFailure(YUITest.Assert._formatMessage(message, "Value should be NaN."), NaN, actual);
+        }    
+    },
+    
+    /**
+     * Asserts that a value is not the special NaN value.
+     * @param {Object} actual The value to test.
+     * @param {String} message (Optional) The message to display if the assertion fails.
+     * @method isNotNaN
+     * @static
+     */
+    isNotNaN : function (actual, message){
+        YUITest.Assert._increment();
+        if (isNaN(actual)){
+            throw new YUITest.UnexpectedValue(YUITest.Assert._formatMessage(message, "Values should not be NaN."), NaN);
+        }    
+    },
+    
+    /**
+     * Asserts that a value is not null. This uses the triple equals sign
+     * so no type coercion may occur.
+     * @param {Object} actual The actual value to test.
+     * @param {String} message (Optional) The message to display if the assertion fails.
+     * @method isNotNull
+     * @static
+     */
+    isNotNull : function (actual, message) {
+        YUITest.Assert._increment();
+        if (actual === null) {
+            throw new YUITest.UnexpectedValue(YUITest.Assert._formatMessage(message, "Values should not be null."), null);
+        }
+    },
+
+    /**
+     * Asserts that a value is not undefined. This uses the triple equals sign
+     * so no type coercion may occur.
+     * @param {Object} actual The actual value to test.
+     * @param {String} message (Optional) The message to display if the assertion fails.
+     * @method isNotUndefined
+     * @static
+     */
+    isNotUndefined : function (actual, message) {
+        YUITest.Assert._increment();
+        if (typeof actual == "undefined") {
+            throw new YUITest.UnexpectedValue(YUITest.Assert._formatMessage(message, "Value should not be undefined."), undefined);
+        }
+    },
+
+    /**
+     * Asserts that a value is null. This uses the triple equals sign
+     * so no type coercion may occur.
+     * @param {Object} actual The actual value to test.
+     * @param {String} message (Optional) The message to display if the assertion fails.
+     * @method isNull
+     * @static
+     */
+    isNull : function (actual, message) {
+        YUITest.Assert._increment();
+        if (actual !== null) {
+            throw new YUITest.ComparisonFailure(YUITest.Assert._formatMessage(message, "Value should be null."), null, actual);
+        }
+    },
+        
+    /**
+     * Asserts that a value is undefined. This uses the triple equals sign
+     * so no type coercion may occur.
+     * @param {Object} actual The actual value to test.
+     * @param {String} message (Optional) The message to display if the assertion fails.
+     * @method isUndefined
+     * @static
+     */
+    isUndefined : function (actual, message) {
+        YUITest.Assert._increment();
+        if (typeof actual != "undefined") {
+            throw new YUITest.ComparisonFailure(YUITest.Assert._formatMessage(message, "Value should be undefined."), undefined, actual);
+        }
+    },    
+    
+    //--------------------------------------------------------------------------
+    // Instance Assertion Methods
+    //--------------------------------------------------------------------------    
+   
+    /**
+     * Asserts that a value is an array.
+     * @param {Object} actual The value to test.
+     * @param {String} message (Optional) The message to display if the assertion fails.
+     * @method isArray
+     * @static
+     */
+    isArray : function (actual, message) {
+        YUITest.Assert._increment();
+        var shouldFail = false;
+        if (Array.isArray){
+            shouldFail = !Array.isArray(actual);
+        } else {
+            shouldFail = Object.prototype.toString.call(actual) != "[object Array]";
+        }
+        if (shouldFail){
+            throw new YUITest.UnexpectedValue(YUITest.Assert._formatMessage(message, "Value should be an array."), actual);
+        }    
+    },
+   
+    /**
+     * Asserts that a value is a Boolean.
+     * @param {Object} actual The value to test.
+     * @param {String} message (Optional) The message to display if the assertion fails.
+     * @method isBoolean
+     * @static
+     */
+    isBoolean : function (actual, message) {
+        YUITest.Assert._increment();
+        if (typeof actual != "boolean"){
+            throw new YUITest.UnexpectedValue(YUITest.Assert._formatMessage(message, "Value should be a Boolean."), actual);
+        }    
+    },
+   
+    /**
+     * Asserts that a value is a function.
+     * @param {Object} actual The value to test.
+     * @param {String} message (Optional) The message to display if the assertion fails.
+     * @method isFunction
+     * @static
+     */
+    isFunction : function (actual, message) {
+        YUITest.Assert._increment();
+        if (!(actual instanceof Function)){
+            throw new YUITest.UnexpectedValue(YUITest.Assert._formatMessage(message, "Value should be a function."), actual);
+        }    
+    },
+   
+    /**
+     * Asserts that a value is an instance of a particular object. This may return
+     * incorrect results when comparing objects from one frame to constructors in
+     * another frame. For best results, don't use in a cross-frame manner.
+     * @param {Function} expected The function that the object should be an instance of.
+     * @param {Object} actual The object to test.
+     * @param {String} message (Optional) The message to display if the assertion fails.
+     * @method isInstanceOf
+     * @static
+     */
+    isInstanceOf : function (expected, actual, message) {
+        YUITest.Assert._increment();
+        if (!(actual instanceof expected)){
+            throw new YUITest.ComparisonFailure(YUITest.Assert._formatMessage(message, "Value isn't an instance of expected type."), expected, actual);
+        }
+    },
+    
+    /**
+     * Asserts that a value is a number.
+     * @param {Object} actual The value to test.
+     * @param {String} message (Optional) The message to display if the assertion fails.
+     * @method isNumber
+     * @static
+     */
+    isNumber : function (actual, message) {
+        YUITest.Assert._increment();
+        if (typeof actual != "number"){
+            throw new YUITest.UnexpectedValue(YUITest.Assert._formatMessage(message, "Value should be a number."), actual);
+        }    
+    },    
+    
+    /**
+     * Asserts that a value is an object.
+     * @param {Object} actual The value to test.
+     * @param {String} message (Optional) The message to display if the assertion fails.
+     * @method isObject
+     * @static
+     */
+    isObject : function (actual, message) {
+        YUITest.Assert._increment();
+        if (!actual || (typeof actual != "object" && typeof actual != "function")){
+            throw new YUITest.UnexpectedValue(YUITest.Assert._formatMessage(message, "Value should be an object."), actual);
+        }
+    },
+    
+    /**
+     * Asserts that a value is a string.
+     * @param {Object} actual The value to test.
+     * @param {String} message (Optional) The message to display if the assertion fails.
+     * @method isString
+     * @static
+     */
+    isString : function (actual, message) {
+        YUITest.Assert._increment();
+        if (typeof actual != "string"){
+            throw new YUITest.UnexpectedValue(YUITest.Assert._formatMessage(message, "Value should be a string."), actual);
+        }
+    },
+    
+    /**
+     * Asserts that a value is of a particular type. 
+     * @param {String} expectedType The expected type of the variable.
+     * @param {Object} actualValue The actual value to test.
+     * @param {String} message (Optional) The message to display if the assertion fails.
+     * @method isTypeOf
+     * @static
+     */
+    isTypeOf : function (expectedType, actualValue, message){
+        YUITest.Assert._increment();
+        if (typeof actualValue != expectedType){
+            throw new YUITest.ComparisonFailure(YUITest.Assert._formatMessage(message, "Value should be of type " + expectedType + "."), expectedType, typeof actualValue);
+        }
+    },
+    
+    //--------------------------------------------------------------------------
+    // Error Detection Methods
+    //--------------------------------------------------------------------------    
+   
+    /**
+     * Asserts that executing a particular method should throw an error of
+     * a specific type. This is a replacement for _should.error.
+     * @param {String|Function|Object} expectedError If a string, this
+     *      is the error message that the error must have; if a function, this
+     *      is the constructor that should have been used to create the thrown
+     *      error; if an object, this is an instance of a particular error type
+     *      with a specific error message (both must match).
+     * @param {Function} method The method to execute that should throw the error.
+     * @param {String} message (Optional) The message to display if the assertion
+     *      fails.
+     * @method throwsError
+     * @return {void}
+     * @static
+     */
+    throwsError: function(expectedError, method, message){
+        YUITest.Assert._increment();
+        var error = false;
+    
+        try {
+            method();        
+        } catch (thrown) {
+            
+            //check to see what type of data we have
+            if (typeof expectedError == "string"){
+                
+                //if it's a string, check the error message
+                if (thrown.message != expectedError){
+                    error = true;
+                }
+            } else if (typeof expectedError == "function"){
+            
+                //if it's a function, see if the error is an instance of it
+                if (!(thrown instanceof expectedError)){
+                    error = true;
+                }
+            
+            } else if (typeof expectedError == "object" && expectedError !== null){
+            
+                //if it's an object, check the instance and message
+                if (!(thrown instanceof expectedError.constructor) || 
+                        thrown.message != expectedError.message){
+                    error = true;
+                }
+            
+            } else { //if it gets here, the argument could be wrong
+                error = true;
+            }
+            
+            if (error){
+                throw new YUITest.UnexpectedError(thrown);                    
+            } else {
+                return;
+            }
+        }
+        
+        //if it reaches here, the error wasn't thrown, which is a bad thing
+        throw new YUITest.AssertionError(YUITest.Assert._formatMessage(message, "Error should have been thrown."));
+    }
+
+};
+/**
+ * Error is thrown whenever an assertion fails. It provides methods
+ * to more easily get at error information and also provides a base class
+ * from which more specific assertion errors can be derived.
+ *
+ * @param {String} message The message to display when the error occurs.
+ * @namespace Test
+ * @module test
+ * @class AssertionError
+ * @constructor
+ */ 
+YUITest.AssertionError = function (message){
+    
+    /**
+     * Error message. Must be duplicated to ensure browser receives it.
+     * @type String
+     * @property message
+     */
+    this.message = message;
+    
+    /**
+     * The name of the error that occurred.
+     * @type String
+     * @property name
+     */
+    this.name = "Assert Error";
+};
+
+YUITest.AssertionError.prototype = {
+
+    //restore constructor
+    constructor: YUITest.AssertionError,
+
+    /**
+     * Returns a fully formatted error for an assertion failure. This should
+     * be overridden by all subclasses to provide specific information.
+     * @method getMessage
+     * @return {String} A string describing the error.
+     */
+    getMessage : function () {
+        return this.message;
+    },
+    
+    /**
+     * Returns a string representation of the error.
+     * @method toString
+     * @return {String} A string representation of the error.
+     */
+    toString : function () {
+        return this.name + ": " + this.getMessage();
+    }
+
+};/**
+ * ComparisonFailure is subclass of Error that is thrown whenever
+ * a comparison between two values fails. It provides mechanisms to retrieve
+ * both the expected and actual value.
+ *
+ * @param {String} message The message to display when the error occurs.
+ * @param {Object} expected The expected value.
+ * @param {Object} actual The actual value that caused the assertion to fail.
+ * @namespace Test 
+ * @extends AssertionError
+ * @module test
+ * @class ComparisonFailure
+ * @constructor
+ */ 
+YUITest.ComparisonFailure = function (message, expected, actual){
+
+    //call superclass
+    YUITest.AssertionError.call(this, message);
+    
+    /**
+     * The expected value.
+     * @type Object
+     * @property expected
+     */
+    this.expected = expected;
+    
+    /**
+     * The actual value.
+     * @type Object
+     * @property actual
+     */
+    this.actual = actual;
+    
+    /**
+     * The name of the error that occurred.
+     * @type String
+     * @property name
+     */
+    this.name = "ComparisonFailure";
+    
+};
+
+//inherit from YUITest.AssertionError
+YUITest.ComparisonFailure.prototype = new YUITest.AssertionError;
+
+//restore constructor
+YUITest.ComparisonFailure.prototype.constructor = YUITest.ComparisonFailure;
+
+/**
+ * Returns a fully formatted error for an assertion failure. This message
+ * provides information about the expected and actual values.
+ * @method getMessage
+ * @return {String} A string describing the error.
+ */
+YUITest.ComparisonFailure.prototype.getMessage = function(){
+    return this.message + "\nExpected: " + this.expected + " (" + (typeof this.expected) + ")"  +
+            "\nActual: " + this.actual + " (" + (typeof this.actual) + ")";
+};
+/**
+ * An object object containing coverage result formatting methods.
+ * @namespace Test
+ * @module test
+ * @class CoverageFormat
+ * @static
+ */
+YUITest.CoverageFormat = {
+
+    /**
+     * Returns the coverage report in JSON format. This is the straight
+     * JSON representation of the native coverage report.
+     * @param {Object} coverage The coverage report object.
+     * @return {String} A JSON-formatted string of coverage data.
+     * @method JSON
+     * @namespace Test.CoverageFormat
+     */
+    JSON: function(coverage){
+        return YUITest.Util.JSON.stringify(coverage);
+    },
+    
+    /**
+     * Returns the coverage report in a JSON format compatible with
+     * Xdebug. See <a href="http://www.xdebug.com/docs/code_coverage">Xdebug Documentation</a>
+     * for more information. Note: function coverage is not available
+     * in this format.
+     * @param {Object} coverage The coverage report object.
+     * @return {String} A JSON-formatted string of coverage data.
+     * @method XdebugJSON
+     * @namespace Test.CoverageFormat
+     */    
+    XdebugJSON: function(coverage){
+    
+        var report = {};
+        for (var prop in coverage){
+            if (coverage.hasOwnProperty(prop)){
+                report[prop] = coverage[prop].lines;
+            }
+        }
+
+        return YUITest.Util.JSON.stringify(coverage);
+    }
+
+};
+
+/**
+ * The DateAssert object provides functions to test JavaScript Date objects
+ * for a variety of cases.
+ * @namespace Test
+ * @module test
+ * @class DateAssert
+ * @static
+ */
+ 
+YUITest.DateAssert = {
+
+    /**
+     * Asserts that a date's month, day, and year are equal to another date's.
+     * @param {Date} expected The expected date.
+     * @param {Date} actual The actual date to test.
+     * @param {String} message (Optional) The message to display if the assertion fails.
+     * @method datesAreEqual
+     * @static
+     */
+    datesAreEqual : function (expected, actual, message){
+        YUITest.Assert._increment();        
+        if (expected instanceof Date && actual instanceof Date){
+            var msg = "";
+            
+            //check years first
+            if (expected.getFullYear() != actual.getFullYear()){
+                msg = "Years should be equal.";
+            }
+            
+            //now check months
+            if (expected.getMonth() != actual.getMonth()){
+                msg = "Months should be equal.";
+            }                
+            
+            //last, check the day of the month
+            if (expected.getDate() != actual.getDate()){
+                msg = "Days of month should be equal.";
+            }                
+            
+            if (msg.length){
+                throw new YUITest.ComparisonFailure(YUITest.Assert._formatMessage(message, msg), expected, actual);
+            }
+        } else {
+            throw new TypeError("YUITest.DateAssert.datesAreEqual(): Expected and actual values must be Date objects.");
+        }
+    },
+
+    /**
+     * Asserts that a date's hour, minutes, and seconds are equal to another date's.
+     * @param {Date} expected The expected date.
+     * @param {Date} actual The actual date to test.
+     * @param {String} message (Optional) The message to display if the assertion fails.
+     * @method timesAreEqual
+     * @static
+     */
+    timesAreEqual : function (expected, actual, message){
+        YUITest.Assert._increment();
+        if (expected instanceof Date && actual instanceof Date){
+            var msg = "";
+            
+            //check hours first
+            if (expected.getHours() != actual.getHours()){
+                msg = "Hours should be equal.";
+            }
+            
+            //now check minutes
+            if (expected.getMinutes() != actual.getMinutes()){
+                msg = "Minutes should be equal.";
+            }                
+            
+            //last, check the seconds
+            if (expected.getSeconds() != actual.getSeconds()){
+                msg = "Seconds should be equal.";
+            }                
+            
+            if (msg.length){
+                throw new YUITest.ComparisonFailure(YUITest.Assert._formatMessage(message, msg), expected, actual);
+            }
+        } else {
+            throw new TypeError("YUITest.DateAssert.timesAreEqual(): Expected and actual values must be Date objects.");
+        }
+    }
+    
+};/**
+ * Creates a new mock object.
+ * @namespace Test
+ * @module test
+ * @class Mock
+ * @constructor
+ * @param {Object} template (Optional) An object whose methods
+ *      should be stubbed out on the mock object.
+ */
+YUITest.Mock = function(template){
+
+    //use blank object is nothing is passed in
+    template = template || {};
+    
+    var mock,
+        name;
+    
+    //try to create mock that keeps prototype chain intact
+    //fails in the case of ActiveX objects
+    try {
+        function f(){}
+        f.prototype = template;
+        mock = new f();
+    } catch (ex) {
+        mock = {};
+    }
+
+    //create stubs for all methods
+    for (name in template){
+        if (template.hasOwnProperty(name)){
+            if (typeof template[name] == "function"){
+                mock[name] = function(name){
+                    return function(){
+                        YUITest.Assert.fail("Method " + name + "() was called but was not expected to be.");
+                    };
+                }(name);
+            }
+        }
+    }
+
+    //return it
+    return mock;    
+};
+    
+/**
+ * Assigns an expectation to a mock object. This is used to create
+ * methods and properties on the mock object that are monitored for
+ * calls and changes, respectively.
+ * @param {Object} mock The object to add the expectation to.
+ * @param {Object} expectation An object defining the expectation. For
+ *      properties, the keys "property" and "value" are required. For a
+ *      method the "method" key defines the method's name, the optional "args"
+ *      key provides an array of argument types. The "returns" key provides
+ *      an optional return value. An optional "run" key provides a function
+ *      to be used as the method body. The return value of a mocked method is
+ *      determined first by the "returns" key, then the "run" function's return
+ *      value. If neither "returns" nor "run" is provided undefined is returned.
+ *      An optional 'error' key defines an error type to be thrown in all cases.
+ *      The "callCount" key provides an optional number of times the method is
+ *      expected to be called (the default is 1).
+ * @return {void}
+ * @method expect
+ * @static
+ */ 
+YUITest.Mock.expect = function(mock /*:Object*/, expectation /*:Object*/){
+
+    //make sure there's a place to store the expectations
+    if (!mock.__expectations) {
+        mock.__expectations = {};
+    }
+
+    //method expectation
+    if (expectation.method){
+        var name = expectation.method,
+            args = expectation.args || [],
+            result = expectation.returns,
+            callCount = (typeof expectation.callCount == "number") ? expectation.callCount : 1,
+            error = expectation.error,
+            run = expectation.run || function(){},
+            runResult,
+            i;
+
+        //save expectations
+        mock.__expectations[name] = expectation;
+        expectation.callCount = callCount;
+        expectation.actualCallCount = 0;
+            
+        //process arguments
+        for (i=0; i < args.length; i++){
+             if (!(args[i] instanceof YUITest.Mock.Value)){
+                args[i] = YUITest.Mock.Value(YUITest.Assert.areSame, [args[i]], "Argument " + i + " of " + name + "() is incorrect.");
+            }       
+        }
+    
+        //if the method is expected to be called
+        if (callCount > 0){
+            mock[name] = function(){   
+                try {
+                    expectation.actualCallCount++;
+                    YUITest.Assert.areEqual(args.length, arguments.length, "Method " + name + "() passed incorrect number of arguments.");
+                    for (var i=0, len=args.length; i < len; i++){
+                        args[i].verify(arguments[i]);
+                    }                
+
+                    runResult = run.apply(this, arguments);
+                    
+                    if (error){
+                        throw error;
+                    }
+                } catch (ex){
+                    //route through TestRunner for proper handling
+                    YUITest.TestRunner._handleError(ex);
+                }
+
+                // Any value provided for 'returns' overrides any value returned
+                // by our 'run' function. 
+                return expectation.hasOwnProperty('returns') ? result : runResult;
+            };
+        } else {
+        
+            //method should fail if called when not expected
+            mock[name] = function(){
+                try {
+                    YUITest.Assert.fail("Method " + name + "() should not have been called.");
+                } catch (ex){
+                    //route through TestRunner for proper handling
+                    YUITest.TestRunner._handleError(ex);
+                }                    
+            };
+        }
+    } else if (expectation.property){
+        //save expectations
+        mock.__expectations[expectation.property] = expectation;
+    }
+};
+
+/**
+ * Verifies that all expectations of a mock object have been met and
+ * throws an assertion error if not.
+ * @param {Object} mock The object to verify..
+ * @return {void}
+ * @method verify
+ * @static
+ */ 
+YUITest.Mock.verify = function(mock){    
+    try {
+    
+        for (var name in mock.__expectations){
+            if (mock.__expectations.hasOwnProperty(name)){
+                var expectation = mock.__expectations[name];
+                if (expectation.method) {
+                    YUITest.Assert.areEqual(expectation.callCount, expectation.actualCallCount, "Method " + expectation.method + "() wasn't called the expected number of times.");
+                } else if (expectation.property){
+                    YUITest.Assert.areEqual(expectation.value, mock[expectation.property], "Property " + expectation.property + " wasn't set to the correct value."); 
+                }                
+            }
+        }
+
+    } catch (ex){
+        //route through TestRunner for proper handling
+        YUITest.TestRunner._handleError(ex);
+    }
+};
+
+/**
+ * Creates a new value matcher.
+ * @param {Function} method The function to call on the value.
+ * @param {Array} originalArgs (Optional) Array of arguments to pass to the method.
+ * @param {String} message (Optional) Message to display in case of failure.
+ * @namespace Test.Mock
+ * @module test
+ * @class Value
+ * @constructor
+ */
+YUITest.Mock.Value = function(method, originalArgs, message){
+    if (this instanceof YUITest.Mock.Value){
+        this.verify = function(value){
+            var args = [].concat(originalArgs || []);
+            args.push(value);
+            args.push(message);
+            method.apply(null, args);
+        };
+    } else {
+        return new YUITest.Mock.Value(method, originalArgs, message);
+    }
+};
+
+/**
+ * Predefined matcher to match any value.
+ * @property Any
+ * @static
+ * @type Function
+ */
+YUITest.Mock.Value.Any        = YUITest.Mock.Value(function(){});
+
+/**
+ * Predefined matcher to match boolean values.
+ * @property Boolean
+ * @static
+ * @type Function
+ */
+YUITest.Mock.Value.Boolean    = YUITest.Mock.Value(YUITest.Assert.isBoolean);
+
+/**
+ * Predefined matcher to match number values.
+ * @property Number
+ * @static
+ * @type Function
+ */
+YUITest.Mock.Value.Number     = YUITest.Mock.Value(YUITest.Assert.isNumber);
+
+/**
+ * Predefined matcher to match string values.
+ * @property String
+ * @static
+ * @type Function
+ */
+YUITest.Mock.Value.String     = YUITest.Mock.Value(YUITest.Assert.isString);
+
+/**
+ * Predefined matcher to match object values.
+ * @property Object
+ * @static
+ * @type Function
+ */
+YUITest.Mock.Value.Object     = YUITest.Mock.Value(YUITest.Assert.isObject);
+
+/**
+ * Predefined matcher to match function values.
+ * @property Function
+ * @static
+ * @type Function
+ */
+YUITest.Mock.Value.Function   = YUITest.Mock.Value(YUITest.Assert.isFunction);
+
+/**
+ * The ObjectAssert object provides functions to test JavaScript objects
+ * for a variety of cases.
+ * @namespace Test
+ * @module test
+ * @class ObjectAssert
+ * @static
+ */
+YUITest.ObjectAssert = {
+
+    /**
+     * Asserts that an object has all of the same properties
+     * and property values as the other.
+     * @param {Object} expected The object with all expected properties and values.
+     * @param {Object} actual The object to inspect.
+     * @param {String} message (Optional) The message to display if the assertion fails.
+     * @method areEqual
+     * @static
+     * @deprecated
+     */
+    areEqual: function(expected, actual, message) {
+        YUITest.Assert._increment();         
+        
+        var expectedKeys = YUITest.Object.keys(expected),
+            actualKeys = YUITest.Object.keys(actual);
+        
+        //first check keys array length
+        if (expectedKeys.length != actualKeys.length){
+            YUITest.Assert.fail(YUITest.Assert._formatMessage(message, "Object should have " + expectedKeys.length + " keys but has " + actualKeys.length));
+        }
+        
+        //then check values
+        for (var name in expected){
+            if (expected.hasOwnProperty(name)){
+                if (expected[name] != actual[name]){
+                    throw new YUITest.ComparisonFailure(YUITest.Assert._formatMessage(message, "Values should be equal for property " + name), expected[name], actual[name]);
+                }            
+            }
+        }           
+    },
+    
+    /**
+     * Asserts that an object has a property with the given name.
+     * @param {String} propertyName The name of the property to test.
+     * @param {Object} object The object to search.
+     * @param {String} message (Optional) The message to display if the assertion fails.
+     * @method hasKey
+     * @static
+     * @deprecated Use ownsOrInheritsKey() instead
+     */    
+    hasKey: function (propertyName, object, message) {
+        YUITest.ObjectAssert.ownsOrInheritsKey(propertyName, object, message);   
+    },
+    
+    /**
+     * Asserts that an object has all properties of a reference object.
+     * @param {Array} properties An array of property names that should be on the object.
+     * @param {Object} object The object to search.
+     * @param {String} message (Optional) The message to display if the assertion fails.
+     * @method hasKeys
+     * @static
+     * @deprecated Use ownsOrInheritsKeys() instead
+     */    
+    hasKeys: function (properties, object, message) {
+        YUITest.ObjectAssert.ownsOrInheritsKeys(properties, object, message);
+    },
+    
+    /**
+     * Asserts that a property with the given name exists on an object's prototype.
+     * @param {String} propertyName The name of the property to test.
+     * @param {Object} object The object to search.
+     * @param {String} message (Optional) The message to display if the assertion fails.
+     * @method inheritsKey
+     * @static
+     */    
+    inheritsKey: function (propertyName, object, message) {
+        YUITest.Assert._increment();               
+        if (!(propertyName in object && !object.hasOwnProperty(propertyName))){
+            YUITest.Assert.fail(YUITest.Assert._formatMessage(message, "Property '" + propertyName + "' not found on object instance."));
+        }     
+    },
+    
+    /**
+     * Asserts that all properties exist on an object prototype.
+     * @param {Array} properties An array of property names that should be on the object.
+     * @param {Object} object The object to search.
+     * @param {String} message (Optional) The message to display if the assertion fails.
+     * @method inheritsKeys
+     * @static
+     */    
+    inheritsKeys: function (properties, object, message) {
+        YUITest.Assert._increment();        
+        for (var i=0; i < properties.length; i++){
+            if (!(propertyName in object && !object.hasOwnProperty(properties[i]))){
+                YUITest.Assert.fail(YUITest.Assert._formatMessage(message, "Property '" + properties[i] + "' not found on object instance."));
+            }      
+        }
+    },
+    
+    /**
+     * Asserts that a property with the given name exists on an object instance (not on its prototype).
+     * @param {String} propertyName The name of the property to test.
+     * @param {Object} object The object to search.
+     * @param {String} message (Optional) The message to display if the assertion fails.
+     * @method ownsKey
+     * @static
+     */    
+    ownsKey: function (propertyName, object, message) {
+        YUITest.Assert._increment();               
+        if (!object.hasOwnProperty(propertyName)){
+            YUITest.Assert.fail(YUITest.Assert._formatMessage(message, "Property '" + propertyName + "' not found on object instance."));
+        }     
+    },
+    
+    /**
+     * Asserts that all properties exist on an object instance (not on its prototype).
+     * @param {Array} properties An array of property names that should be on the object.
+     * @param {Object} object The object to search.
+     * @param {String} message (Optional) The message to display if the assertion fails.
+     * @method ownsKeys
+     * @static
+     */    
+    ownsKeys: function (properties, object, message) {
+        YUITest.Assert._increment();        
+        for (var i=0; i < properties.length; i++){
+            if (!object.hasOwnProperty(properties[i])){
+                YUITest.Assert.fail(YUITest.Assert._formatMessage(message, "Property '" + properties[i] + "' not found on object instance."));
+            }      
+        }
+    },
+    
+    /**
+     * Asserts that an object owns no properties.
+     * @param {Object} object The object to check.
+     * @param {String} message (Optional) The message to display if the assertion fails.
+     * @method ownsNoKeys
+     * @static
+     */    
+    ownsNoKeys : function (object, message) {
+        YUITest.Assert._increment();  
+        var count = 0,
+            name;
+        for (name in object){
+            if (object.hasOwnProperty(name)){
+                count++;
+            }
+        }
+        
+        if (count !== 0){
+            YUITest.Assert.fail(YUITest.Assert._formatMessage(message, "Object owns " + count + " properties but should own none."));        
+        }
+
+    },
+
+    /**
+     * Asserts that an object has a property with the given name.
+     * @param {String} propertyName The name of the property to test.
+     * @param {Object} object The object to search.
+     * @param {String} message (Optional) The message to display if the assertion fails.
+     * @method ownsOrInheritsKey
+     * @static
+     */    
+    ownsOrInheritsKey: function (propertyName, object, message) {
+        YUITest.Assert._increment();               
+        if (!(propertyName in object)){
+            YUITest.Assert.fail(YUITest.Assert._formatMessage(message, "Property '" + propertyName + "' not found on object."));
+        }    
+    },
+    
+    /**
+     * Asserts that an object has all properties of a reference object.
+     * @param {Array} properties An array of property names that should be on the object.
+     * @param {Object} object The object to search.
+     * @param {String} message (Optional) The message to display if the assertion fails.
+     * @method ownsOrInheritsKeys
+     * @static
+     */    
+    ownsOrInheritsKeys: function (properties, object, message) {
+        YUITest.Assert._increment();  
+        for (var i=0; i < properties.length; i++){
+            if (!(properties[i] in object)){
+                YUITest.Assert.fail(YUITest.Assert._formatMessage(message, "Property '" + properties[i] + "' not found on object."));
+            }      
+        }
+    }    
+};
+/**
+ * Convenience type for storing and aggregating
+ * test result information.
+ * @private
+ * @namespace Test
+ * @module test
+ * @class Results
+ * @constructor
+ * @param {String} name The name of the test.
+ */
+YUITest.Results = function(name){
+
+    /**
+     * Name of the test, test case, or test suite.
+     * @type String
+     * @property name
+     */
+    this.name = name;
+    
+    /**
+     * Number of passed tests.
+     * @type int
+     * @property passed
+     */
+    this.passed = 0;
+    
+    /**
+     * Number of failed tests.
+     * @type int
+     * @property failed
+     */
+    this.failed = 0;
+    
+    /**
+     * Number of errors that occur in non-test methods.
+     * @type int
+     * @property errors
+     */
+    this.errors = 0;
+    
+    /**
+     * Number of ignored tests.
+     * @type int
+     * @property ignored
+     */
+    this.ignored = 0;
+    
+    /**
+     * Number of total tests.
+     * @type int
+     * @property total
+     */
+    this.total = 0;
+    
+    /**
+     * Amount of time (ms) it took to complete testing.
+     * @type int
+     * @property duration
+     */
+    this.duration = 0;
+};
+
+/**
+ * Includes results from another results object into this one.
+ * @param {Test.Results} result The results object to include.
+ * @method include
+ * @return {void}
+ */
+YUITest.Results.prototype.include = function(results){
+    this.passed += results.passed;
+    this.failed += results.failed;
+    this.ignored += results.ignored;
+    this.total += results.total;
+    this.errors += results.errors;
+};
+/**
+ * ShouldError is subclass of Error that is thrown whenever
+ * a test is expected to throw an error but doesn't.
+ *
+ * @param {String} message The message to display when the error occurs.
+ * @namespace Test 
+ * @extends AssertionError
+ * @module test
+ * @class ShouldError
+ * @constructor
+ */ 
+YUITest.ShouldError = function (message){
+
+    //call superclass
+    YUITest.AssertionError.call(this, message || "This test should have thrown an error but didn't.");
+    
+    /**
+     * The name of the error that occurred.
+     * @type String
+     * @property name
+     */
+    this.name = "ShouldError";
+    
+};
+
+//inherit from YUITest.AssertionError
+YUITest.ShouldError.prototype = new YUITest.AssertionError();
+
+//restore constructor
+YUITest.ShouldError.prototype.constructor = YUITest.ShouldError;
+/**
+ * ShouldFail is subclass of AssertionError that is thrown whenever
+ * a test was expected to fail but did not.
+ *
+ * @param {String} message The message to display when the error occurs.
+ * @namespace Test 
+ * @extends YUITest.AssertionError
+ * @module test
+ * @class ShouldFail
+ * @constructor
+ */ 
+YUITest.ShouldFail = function (message){
+
+    //call superclass
+    YUITest.AssertionError.call(this, message || "This test should fail but didn't.");
+    
+    /**
+     * The name of the error that occurred.
+     * @type String
+     * @property name
+     */
+    this.name = "ShouldFail";
+    
+};
+
+//inherit from YUITest.AssertionError
+YUITest.ShouldFail.prototype = new YUITest.AssertionError();
+
+//restore constructor
+YUITest.ShouldFail.prototype.constructor = YUITest.ShouldFail;
+/**
+ * UnexpectedError is subclass of AssertionError that is thrown whenever
+ * an error occurs within the course of a test and the test was not expected
+ * to throw an error.
+ *
+ * @param {Error} cause The unexpected error that caused this error to be 
+ *                      thrown.
+ * @namespace Test 
+ * @extends YUITest.AssertionError
+ * @module test
+ * @class UnexpectedError
+ * @constructor
+ */  
+YUITest.UnexpectedError = function (cause){
+
+    //call superclass
+    YUITest.AssertionError.call(this, "Unexpected error: " + cause.message);
+    
+    /**
+     * The unexpected error that occurred.
+     * @type Error
+     * @property cause
+     */
+    this.cause = cause;
+    
+    /**
+     * The name of the error that occurred.
+     * @type String
+     * @property name
+     */
+    this.name = "UnexpectedError";
+    
+    /**
+     * Stack information for the error (if provided).
+     * @type String
+     * @property stack
+     */
+    this.stack = cause.stack;
+    
+};
+
+//inherit from YUITest.AssertionError
+YUITest.UnexpectedError.prototype = new YUITest.AssertionError();
+
+//restore constructor
+YUITest.UnexpectedError.prototype.constructor = YUITest.UnexpectedError;
+/**
+ * UnexpectedValue is subclass of Error that is thrown whenever
+ * a value was unexpected in its scope. This typically means that a test
+ * was performed to determine that a value was *not* equal to a certain
+ * value.
+ *
+ * @param {String} message The message to display when the error occurs.
+ * @param {Object} unexpected The unexpected value.
+ * @namespace Test 
+ * @extends AssertionError
+ * @module test
+ * @class UnexpectedValue
+ * @constructor
+ */ 
+YUITest.UnexpectedValue = function (message, unexpected){
+
+    //call superclass
+    YUITest.AssertionError.call(this, message);
+    
+    /**
+     * The unexpected value.
+     * @type Object
+     * @property unexpected
+     */
+    this.unexpected = unexpected;
+    
+    /**
+     * The name of the error that occurred.
+     * @type String
+     * @property name
+     */
+    this.name = "UnexpectedValue";
+    
+};
+
+//inherit from YUITest.AssertionError
+YUITest.UnexpectedValue.prototype = new YUITest.AssertionError();
+
+//restore constructor
+YUITest.UnexpectedValue.prototype.constructor = YUITest.UnexpectedValue;
+
+/**
+ * Returns a fully formatted error for an assertion failure. This message
+ * provides information about the expected and actual values.
+ * @method getMessage
+ * @return {String} A string describing the error.
+ */
+YUITest.UnexpectedValue.prototype.getMessage = function(){
+    return this.message + "\nUnexpected: " + this.unexpected + " (" + (typeof this.unexpected) + ") ";
+};
+
+/**
+ * Represents a stoppage in test execution to wait for an amount of time before
+ * continuing.
+ * @param {Function} segment A function to run when the wait is over.
+ * @param {int} delay The number of milliseconds to wait before running the code.
+ * @module test
+ * @class Wait
+ * @namespace Test
+ * @constructor
+ *
+ */
+YUITest.Wait = function (segment, delay) {
+    
+    /**
+     * The segment of code to run when the wait is over.
+     * @type Function
+     * @property segment
+     */
+    this.segment = (typeof segment == "function" ? segment : null);
+
+    /**
+     * The delay before running the segment of code.
+     * @type int
+     * @property delay
+     */
+    this.delay = (typeof delay == "number" ? delay : 0);        
+};
+
+
+//Setting up our aliases..
+Y.Test = YUITest;
+Y.Object.each(YUITest, function(item, name) {
+    var name = name.replace('Test', '');
+    Y.Test[name] = item;
+});
+
+} //End of else in top wrapper
+
+Y.Assert = YUITest.Assert;
+Y.Assert.Error = Y.Test.AssertionError;
+Y.Assert.ComparisonFailure = Y.Test.ComparisonFailure;
+Y.Assert.UnexpectedValue = Y.Test.UnexpectedValue;
+Y.Mock = Y.Test.Mock;
+Y.ObjectAssert = Y.Test.ObjectAssert;
+Y.ArrayAssert = Y.Test.ArrayAssert;
+Y.DateAssert = Y.Test.DateAssert;
+Y.Test.ResultsFormat = Y.Test.TestFormat;
+
+var itemsAreEqual = Y.Test.ArrayAssert.itemsAreEqual;
+
+Y.Test.ArrayAssert.itemsAreEqual = function(expected, actual, message) {
+    return itemsAreEqual.call(this, Y.Array(expected), Y.Array(actual), message);
+};
+
+
+/**
+ * Asserts that a given condition is true. If not, then a Y.Assert.Error object is thrown
+ * and the test fails.
+ * @method assert
+ * @param {Boolean} condition The condition to test.
+ * @param {String} message The message to display if the assertion fails.
+ * @for YUI
+ * @static
+ */
+Y.assert = function(condition, message){
+    Y.Assert._increment();
+    if (!condition){
+        throw new Y.Assert.Error(Y.Assert._formatMessage(message, "Assertion failed."));
+    }
+};
+
+/**
+ * Forces an assertion error to occur. Shortcut for Y.Assert.fail().
+ * @method fail
+ * @param {String} message (Optional) The message to display with the failure.
+ * @for YUI
+ * @static
+ */
+Y.fail = Y.Assert.fail; 
+
+Y.Test.Runner.once = Y.Test.Runner.subscribe;
+
+Y.Test.Runner.disableLogging = function() {
+    Y.Test.Runner._log = false;
+};
+
+Y.Test.Runner.enableLogging = function() {
+    Y.Test.Runner._log = true;
+};
+
+Y.Test.Runner._ignoreEmpty = true;
+Y.Test.Runner._log = true;
+
+Y.Test.Runner.on = Y.Test.Runner.attach;
+
+//Only allow one instance of YUITest
+if (!YUI.YUITest) {
+
+    if (Y.config.win) {
+        Y.config.win.YUITest = YUITest;
+    }
+
+    YUI.YUITest = Y.Test;
+
+    
+    //Only setup the listeners once.
+    var logEvent = function(event) {
+        
+        //data variables
+        var message = "";
+        var messageType = "";
+        
+        switch(event.type){
+            case this.BEGIN_EVENT:
+                message = "Testing began at " + (new Date()).toString() + ".";
+                messageType = "info";
+                break;
+                
+            case this.COMPLETE_EVENT:
+                message = Y.Lang.sub("Testing completed at " +
+                    (new Date()).toString() + ".\n" +
+                    "Passed:{passed} Failed:{failed} " +
+                    "Total:{total} ({ignored} ignored)",
+                    event.results);
+                messageType = "info";
+                break;
+                
+            case this.TEST_FAIL_EVENT:
+                message = event.testName + ": failed.\n" + event.error.getMessage();
+                messageType = "fail";
+                break;
+                
+            case this.TEST_IGNORE_EVENT:
+                message = event.testName + ": ignored.";
+                messageType = "ignore";
+                break;
+                
+            case this.TEST_PASS_EVENT:
+                message = event.testName + ": passed.";
+                messageType = "pass";
+                break;
+                
+            case this.TEST_SUITE_BEGIN_EVENT:
+                message = "Test suite \"" + event.testSuite.name + "\" started.";
+                messageType = "info";
+                break;
+                
+            case this.TEST_SUITE_COMPLETE_EVENT:
+                message = Y.Lang.sub("Test suite \"" +
+                    event.testSuite.name + "\" completed" + ".\n" +
+                    "Passed:{passed} Failed:{failed} " +
+                    "Total:{total} ({ignored} ignored)",
+                    event.results);
+                messageType = "info";
+                break;
+                
+            case this.TEST_CASE_BEGIN_EVENT:
+                message = "Test case \"" + event.testCase.name + "\" started.";
+                messageType = "info";
+                break;
+                
+            case this.TEST_CASE_COMPLETE_EVENT:
+                message = Y.Lang.sub("Test case \"" +
+                    event.testCase.name + "\" completed.\n" +
+                    "Passed:{passed} Failed:{failed} " +
+                    "Total:{total} ({ignored} ignored)",
+                    event.results);
+                messageType = "info";
+                break;
+            default:
+                message = "Unexpected event " + event.type;
+                messageType = "info";
+        }
+        
+        if (Y.Test.Runner._log) {
+            Y.log(message, messageType, "TestRunner");
+        }
+    };
+
+    var i, name;
+
+    for (i in Y.Test.Runner) {
+        name = Y.Test.Runner[i];
+        if (i.indexOf('_EVENT') > -1) {
+            Y.Test.Runner.subscribe(name, logEvent);
+        }
+    };
+
+} //End if for YUI.YUITest
+
+
+}, '3.10.3', {"requires": ["event-simulate", "event-custom", "json-stringify"]});