Issue 147 - [Typed objects] Implement object types

test/qunit.js

+/**
+ * QUnit v1.12.0 - A JavaScript Unit Testing Framework
+ *
+ * http://qunitjs.com
+ *
+ * Copyright 2013 jQuery Foundation and other contributors
+ * Released under the MIT license.
+ * https://jquery.org/license/
+ */
+
+(function( window ) {
+
+var QUnit,
+        assert,
+        config,
+        onErrorFnPrev,
+        testId = 0,
+        fileName = (sourceFromStacktrace( 0 ) || "" ).replace(/(:\d+)+\)?/, "").replace(/.+\//, ""),
+        toString = Object.prototype.toString,
+        hasOwn = Object.prototype.hasOwnProperty,
+        // Keep a local reference to Date (GH-283)
+        Date = window.Date,
+        setTimeout = window.setTimeout,
+        defined = {
+                setTimeout: typeof window.setTimeout !== "undefined",
+                sessionStorage: (function() {
+                        var x = "qunit-test-string";
+                        try {
+                                sessionStorage.setItem( x, x );
+                                sessionStorage.removeItem( x );
+                                return true;
+                        } catch( e ) {
+                                return false;
+                        }
+                }())
+        },
+        /**
+         * Provides a normalized error string, correcting an issue
+         * with IE 7 (and prior) where Error.prototype.toString is
+         * not properly implemented
+         *
+         * Based on http://es5.github.com/#x15.11.4.4
+         *
+         * @param {String|Error} error
+         * @return {String} error message
+         */
+        errorString = function( error ) {
+                var name, message,
+                        errorString = error.toString();
+                if ( errorString.substring( 0, 7 ) === "[object" ) {
+                        name = error.name ? error.name.toString() : "Error";
+                        message = error.message ? error.message.toString() : "";
+                        if ( name && message ) {
+                                return name + ": " + message;
+                        } else if ( name ) {
+                                return name;
+                        } else if ( message ) {
+                                return message;
+                        } else {
+                                return "Error";
+                        }
+                } else {
+                        return errorString;
+                }
+        },
+        /**
+         * Makes a clone of an object using only Array or Object as base,
+         * and copies over the own enumerable properties.
+         *
+         * @param {Object} obj
+         * @return {Object} New object with only the own properties (recursively).
+         */
+        objectValues = function( obj ) {
+                // Grunt 0.3.x uses an older version of jshint that still has jshint/jshint#392.
+                /*jshint newcap: false */
+                var key, val,
+                        vals = QUnit.is( "array", obj ) ? [] : {};
+                for ( key in obj ) {
+                        if ( hasOwn.call( obj, key ) ) {
+                                val = obj[key];
+                                vals[key] = val === Object(val) ? objectValues(val) : val;
+                        }
+                }
+                return vals;
+        };
+
+function Test( settings ) {
+        extend( this, settings );
+        this.assertions = [];
+        this.testNumber = ++Test.count;
+}
+
+Test.count = 0;
+
+Test.prototype = {
+        init: function() {
+                var a, b, li,
+                        tests = id( "qunit-tests" );
+
+                if ( tests ) {
+                        b = document.createElement( "strong" );
+                        b.innerHTML = this.nameHtml;
+
+                        // `a` initialized at top of scope
+                        a = document.createElement( "a" );
+                        a.innerHTML = "Rerun";
+                        a.href = QUnit.url({ testNumber: this.testNumber });
+
+                        li = document.createElement( "li" );
+                        li.appendChild( b );
+                        li.appendChild( a );
+                        li.className = "running";
+                        li.id = this.id = "qunit-test-output" + testId++;
+
+                        tests.appendChild( li );
+                }
+        },
+        setup: function() {
+                if (
+                        // Emit moduleStart when we're switching from one module to another
+                        this.module !== config.previousModule ||
+                                // They could be equal (both undefined) but if the previousModule property doesn't
+                                // yet exist it means this is the first test in a suite that isn't wrapped in a
+                                // module, in which case we'll just emit a moduleStart event for 'undefined'.
+                                // Without this, reporters can get testStart before moduleStart  which is a problem.
+                                !hasOwn.call( config, "previousModule" )
+                ) {
+                        if ( hasOwn.call( config, "previousModule" ) ) {
+                                runLoggingCallbacks( "moduleDone", QUnit, {
+                                        name: config.previousModule,
+                                        failed: config.moduleStats.bad,
+                                        passed: config.moduleStats.all - config.moduleStats.bad,
+                                        total: config.moduleStats.all
+                                });
+                        }
+                        config.previousModule = this.module;
+                        config.moduleStats = { all: 0, bad: 0 };
+                        runLoggingCallbacks( "moduleStart", QUnit, {
+                                name: this.module
+                        });
+                }
+
+                config.current = this;
+
+                this.testEnvironment = extend({
+                        setup: function() {},
+                        teardown: function() {}
+                }, this.moduleTestEnvironment );
+
+                this.started = +new Date();
+                runLoggingCallbacks( "testStart", QUnit, {
+                        name: this.testName,
+                        module: this.module
+                });
+
+                /*jshint camelcase:false */
+
+
+                /**
+                 * Expose the current test environment.
+                 *
+                 * @deprecated since 1.12.0: Use QUnit.config.current.testEnvironment instead.
+                 */
+                QUnit.current_testEnvironment = this.testEnvironment;
+
+                /*jshint camelcase:true */
+
+                if ( !config.pollution ) {
+                        saveGlobal();
+                }
+                if ( config.notrycatch ) {
+                        this.testEnvironment.setup.call( this.testEnvironment, QUnit.assert );
+                        return;
+                }
+                try {
+                        this.testEnvironment.setup.call( this.testEnvironment, QUnit.assert );
+                } catch( e ) {
+                        QUnit.pushFailure( "Setup failed on " + this.testName + ": " + ( e.message || e ), extractStacktrace( e, 1 ) );
+                }
+        },
+        run: function() {
+                config.current = this;
+
+                var running = id( "qunit-testresult" );
+
+                if ( running ) {
+                        running.innerHTML = "Running: <br/>" + this.nameHtml;
+                }
+
+                if ( this.async ) {
+                        QUnit.stop();
+                }
+
+                this.callbackStarted = +new Date();
+
+                if ( config.notrycatch ) {
+                        this.callback.call( this.testEnvironment, QUnit.assert );
+                        this.callbackRuntime = +new Date() - this.callbackStarted;
+                        return;
+                }
+
+                try {
+                        this.callback.call( this.testEnvironment, QUnit.assert );
+                        this.callbackRuntime = +new Date() - this.callbackStarted;
+                } catch( e ) {
+                        this.callbackRuntime = +new Date() - this.callbackStarted;
+
+                        QUnit.pushFailure( "Died on test #" + (this.assertions.length + 1) + " " + this.stack + ": " + ( e.message || e ), extractStacktrace( e, 0 ) );
+                        // else next test will carry the responsibility
+                        saveGlobal();
+
+                        // Restart the tests if they're blocking
+                        if ( config.blocking ) {
+                                QUnit.start();
+                        }
+                }
+        },
+        teardown: function() {
+                config.current = this;
+                if ( config.notrycatch ) {
+                        if ( typeof this.callbackRuntime === "undefined" ) {
+                                this.callbackRuntime = +new Date() - this.callbackStarted;
+                        }
+                        this.testEnvironment.teardown.call( this.testEnvironment, QUnit.assert );
+                        return;
+                } else {
+                        try {
+                                this.testEnvironment.teardown.call( this.testEnvironment, QUnit.assert );
+                        } catch( e ) {
+                                QUnit.pushFailure( "Teardown failed on " + this.testName + ": " + ( e.message || e ), extractStacktrace( e, 1 ) );
+                        }
+                }
+                checkPollution();
+        },
+        finish: function() {
+                config.current = this;
+                if ( config.requireExpects && this.expected === null ) {
+                        QUnit.pushFailure( "Expected number of assertions to be defined, but expect() was not called.", this.stack );
+                } else if ( this.expected !== null && this.expected !== this.assertions.length ) {
+                        QUnit.pushFailure( "Expected " + this.expected + " assertions, but " + this.assertions.length + " were run", this.stack );
+                } else if ( this.expected === null && !this.assertions.length ) {
+                        QUnit.pushFailure( "Expected at least one assertion, but none were run - call expect(0) to accept zero assertions.", this.stack );
+                }
+
+                var i, assertion, a, b, time, li, ol,
+                        test = this,
+                        good = 0,
+                        bad = 0,
+                        tests = id( "qunit-tests" );
+
+                this.runtime = +new Date() - this.started;
+                config.stats.all += this.assertions.length;
+                config.moduleStats.all += this.assertions.length;
+
+                if ( tests ) {
+                        ol = document.createElement( "ol" );
+                        ol.className = "qunit-assert-list";
+
+                        for ( i = 0; i < this.assertions.length; i++ ) {
+                                assertion = this.assertions[i];
+
+                                li = document.createElement( "li" );
+                                li.className = assertion.result ? "pass" : "fail";
+                                li.innerHTML = assertion.message || ( assertion.result ? "okay" : "failed" );
+                                ol.appendChild( li );
+
+                                if ( assertion.result ) {
+                                        good++;
+                                } else {
+                                        bad++;
+                                        config.stats.bad++;
+                                        config.moduleStats.bad++;
+                                }
+                        }
+
+                        // store result when possible
+                        if ( QUnit.config.reorder && defined.sessionStorage ) {
+                                if ( bad ) {
+                                        sessionStorage.setItem( "qunit-test-" + this.module + "-" + this.testName, bad );
+                                } else {
+                                        sessionStorage.removeItem( "qunit-test-" + this.module + "-" + this.testName );
+                                }
+                        }
+
+                        if ( bad === 0 ) {
+                                addClass( ol, "qunit-collapsed" );
+                        }
+
+                        // `b` initialized at top of scope
+                        b = document.createElement( "strong" );
+                        b.innerHTML = this.nameHtml + " <b class='counts'>(<b class='failed'>" + bad + "</b>, <b class='passed'>" + good + "</b>, " + this.assertions.length + ")</b>";
+
+                        addEvent(b, "click", function() {
+                                var next = b.parentNode.lastChild,
+                                        collapsed = hasClass( next, "qunit-collapsed" );
+                                ( collapsed ? removeClass : addClass )( next, "qunit-collapsed" );
+                        });
+
+                        addEvent(b, "dblclick", function( e ) {
+                                var target = e && e.target ? e.target : window.event.srcElement;
+                                if ( target.nodeName.toLowerCase() === "span" || target.nodeName.toLowerCase() === "b" ) {
+                                        target = target.parentNode;
+                                }
+                                if ( window.location && target.nodeName.toLowerCase() === "strong" ) {
+                                        window.location = QUnit.url({ testNumber: test.testNumber });
+                                }
+                        });
+
+                        // `time` initialized at top of scope
+                        time = document.createElement( "span" );
+                        time.className = "runtime";
+                        time.innerHTML = this.runtime + " ms";
+
+                        // `li` initialized at top of scope
+                        li = id( this.id );
+                        li.className = bad ? "fail" : "pass";
+                        li.removeChild( li.firstChild );
+                        a = li.firstChild;
+                        li.appendChild( b );
+                        li.appendChild( a );
+                        li.appendChild( time );
+                        li.appendChild( ol );
+
+                } else {
+                        for ( i = 0; i < this.assertions.length; i++ ) {
+                                if ( !this.assertions[i].result ) {
+                                        bad++;
+                                        config.stats.bad++;
+                                        config.moduleStats.bad++;
+                                }
+                        }
+                }
+
+                runLoggingCallbacks( "testDone", QUnit, {
+                        name: this.testName,
+                        module: this.module,
+                        failed: bad,
+                        passed: this.assertions.length - bad,
+                        total: this.assertions.length,
+                        duration: this.runtime
+                });
+
+                QUnit.reset();
+
+                config.current = undefined;
+        },
+
+        queue: function() {
+                var bad,
+                        test = this;
+
+                synchronize(function() {
+                        test.init();
+                });
+                function run() {
+                        // each of these can by async
+                        synchronize(function() {
+                                test.setup();
+                        });
+                        synchronize(function() {
+                                test.run();
+                        });
+                        synchronize(function() {
+                                test.teardown();
+                        });
+                        synchronize(function() {
+                                test.finish();
+                        });
+                }
+
+                // `bad` initialized at top of scope
+                // defer when previous test run passed, if storage is available
+                bad = QUnit.config.reorder && defined.sessionStorage &&
+                                                +sessionStorage.getItem( "qunit-test-" + this.module + "-" + this.testName );
+
+                if ( bad ) {
+                        run();
+                } else {
+                        synchronize( run, true );
+                }
+        }
+};
+
+// Root QUnit object.
+// `QUnit` initialized at top of scope
+QUnit = {
+
+        // call on start of module test to prepend name to all tests
+        module: function( name, testEnvironment ) {
+                config.currentModule = name;
+                config.currentModuleTestEnvironment = testEnvironment;
+                config.modules[name] = true;
+        },
+
+        asyncTest: function( testName, expected, callback ) {
+                if ( arguments.length === 2 ) {
+                        callback = expected;
+                        expected = null;
+                }
+
+                QUnit.test( testName, expected, callback, true );
+        },
+
+        test: function( testName, expected, callback, async ) {
+                var test,
+                        nameHtml = "<span class='test-name'>" + escapeText( testName ) + "</span>";
+
+                if ( arguments.length === 2 ) {
+                        callback = expected;
+                        expected = null;
+                }
+
+                if ( config.currentModule ) {
+                        nameHtml = "<span class='module-name'>" + escapeText( config.currentModule ) + "</span>: " + nameHtml;
+                }
+
+                test = new Test({
+                        nameHtml: nameHtml,
+                        testName: testName,
+                        expected: expected,
+                        async: async,
+                        callback: callback,
+                        module: config.currentModule,
+                        moduleTestEnvironment: config.currentModuleTestEnvironment,
+                        stack: sourceFromStacktrace( 2 )
+                });
+
+                if ( !validTest( test ) ) {
+                        return;
+                }
+
+                test.queue();
+        },
+
+        // Specify the number of expected assertions to guarantee that failed test (no assertions are run at all) don't slip through.
+        expect: function( asserts ) {
+                if (arguments.length === 1) {
+                        config.current.expected = asserts;
+                } else {
+                        return config.current.expected;
+                }
+        },
+
+        start: function( count ) {
+                // QUnit hasn't been initialized yet.
+                // Note: RequireJS (et al) may delay onLoad
+                if ( config.semaphore === undefined ) {
+                        QUnit.begin(function() {
+                                // This is triggered at the top of QUnit.load, push start() to the event loop, to allow QUnit.load to finish first
+                                setTimeout(function() {
+                                        QUnit.start( count );
+                                });
+                        });
+                        return;
+                }
+
+                config.semaphore -= count || 1;
+                // don't start until equal number of stop-calls
+                if ( config.semaphore > 0 ) {
+                        return;
+                }
+                // ignore if start is called more often then stop
+                if ( config.semaphore < 0 ) {
+                        config.semaphore = 0;
+                        QUnit.pushFailure( "Called start() while already started (QUnit.config.semaphore was 0 already)", null, sourceFromStacktrace(2) );
+                        return;
+                }
+                // A slight delay, to avoid any current callbacks
+                if ( defined.setTimeout ) {
+                        setTimeout(function() {
+                                if ( config.semaphore > 0 ) {
+                                        return;
+                                }
+                                if ( config.timeout ) {
+                                        clearTimeout( config.timeout );
+                                }
+
+                                config.blocking = false;
+                                process( true );
+                        }, 13);
+                } else {
+                        config.blocking = false;
+                        process( true );
+                }
+        },
+
+        stop: function( count ) {
+                config.semaphore += count || 1;
+                config.blocking = true;
+
+                if ( config.testTimeout && defined.setTimeout ) {
+                        clearTimeout( config.timeout );
+                        config.timeout = setTimeout(function() {
+                                QUnit.ok( false, "Test timed out" );
+                                config.semaphore = 1;
+                                QUnit.start();
+                        }, config.testTimeout );
+                }
+        }
+};
+
+// `assert` initialized at top of scope
+// Assert helpers
+// All of these must either call QUnit.push() or manually do:
+// - runLoggingCallbacks( "log", .. );
+// - config.current.assertions.push({ .. });
+// We attach it to the QUnit object *after* we expose the public API,
+// otherwise `assert` will become a global variable in browsers (#341).
+assert = {
+        /**
+         * Asserts rough true-ish result.
+         * @name ok
+         * @function
+         * @example ok( "asdfasdf".length > 5, "There must be at least 5 chars" );
+         */
+        ok: function( result, msg ) {
+                if ( !config.current ) {
+                        throw new Error( "ok() assertion outside test context, was " + sourceFromStacktrace(2) );
+                }
+                result = !!result;
+                msg = msg || (result ? "okay" : "failed" );
+
+                var source,
+                        details = {
+                                module: config.current.module,
+                                name: config.current.testName,
+                                result: result,
+                                message: msg
+                        };
+
+                msg = "<span class='test-message'>" + escapeText( msg ) + "</span>";
+
+                if ( !result ) {
+                        source = sourceFromStacktrace( 2 );
+                        if ( source ) {
+                                details.source = source;
+                                msg += "<table><tr class='test-source'><th>Source: </th><td><pre>" + escapeText( source ) + "</pre></td></tr></table>";
+                        }
+                }
+                runLoggingCallbacks( "log", QUnit, details );
+                config.current.assertions.push({
+                        result: result,
+                        message: msg
+                });
+        },
+
+        /**
+         * Assert that the first two arguments are equal, with an optional message.
+         * Prints out both actual and expected values.
+         * @name equal
+         * @function
+         * @example equal( format( "Received {0} bytes.", 2), "Received 2 bytes.", "format() replaces {0} with next argument" );
+         */
+        equal: function( actual, expected, message ) {
+                /*jshint eqeqeq:false */
+                QUnit.push( expected == actual, actual, expected, message );
+        },
+
+        /**
+         * @name notEqual
+         * @function
+         */
+        notEqual: function( actual, expected, message ) {
+                /*jshint eqeqeq:false */
+                QUnit.push( expected != actual, actual, expected, message );
+        },
+
+        /**
+         * @name propEqual
+         * @function
+         */
+        propEqual: function( actual, expected, message ) {
+                actual = objectValues(actual);
+                expected = objectValues(expected);
+                QUnit.push( QUnit.equiv(actual, expected), actual, expected, message );
+        },
+
+        /**
+         * @name notPropEqual
+         * @function
+         */
+        notPropEqual: function( actual, expected, message ) {
+                actual = objectValues(actual);
+                expected = objectValues(expected);
+                QUnit.push( !QUnit.equiv(actual, expected), actual, expected, message );
+        },
+
+        /**
+         * @name deepEqual
+         * @function
+         */
+        deepEqual: function( actual, expected, message ) {
+                QUnit.push( QUnit.equiv(actual, expected), actual, expected, message );
+        },
+
+        /**
+         * @name notDeepEqual
+         * @function
+         */
+        notDeepEqual: function( actual, expected, message ) {
+                QUnit.push( !QUnit.equiv(actual, expected), actual, expected, message );
+        },
+
+        /**
+         * @name strictEqual
+         * @function
+         */
+        strictEqual: function( actual, expected, message ) {
+                QUnit.push( expected === actual, actual, expected, message );
+        },
+
+        /**
+         * @name notStrictEqual
+         * @function
+         */
+        notStrictEqual: function( actual, expected, message ) {
+                QUnit.push( expected !== actual, actual, expected, message );
+        },
+
+        "throws": function( block, expected, message ) {
+                var actual,
+                        expectedOutput = expected,
+                        ok = false;
+
+                // 'expected' is optional
+                if ( typeof expected === "string" ) {
+                        message = expected;
+                        expected = null;
+                }
+
+                config.current.ignoreGlobalErrors = true;
+                try {
+                        block.call( config.current.testEnvironment );
+                } catch (e) {
+                        actual = e;
+                }
+                config.current.ignoreGlobalErrors = false;
+
+                if ( actual ) {
+                        // we don't want to validate thrown error
+                        if ( !expected ) {
+                                ok = true;
+                                expectedOutput = null;
+                        // expected is a regexp
+                        } else if ( QUnit.objectType( expected ) === "regexp" ) {
+                                ok = expected.test( errorString( actual ) );
+                        // expected is a constructor
+                        } else if ( actual instanceof expected ) {
+                                ok = true;
+                        // expected is a validation function which returns true is validation passed
+                        } else if ( expected.call( {}, actual ) === true ) {
+                                expectedOutput = null;
+                                ok = true;
+                        }
+
+                        QUnit.push( ok, actual, expectedOutput, message );
+                } else {
+                        QUnit.pushFailure( message, null, "No exception was thrown." );
+                }
+        }
+};
+
+/**
+ * @deprecated since 1.8.0
+ * Kept assertion helpers in root for backwards compatibility.
+ */
+extend( QUnit, assert );
+
+/**
+ * @deprecated since 1.9.0
+ * Kept root "raises()" for backwards compatibility.
+ * (Note that we don't introduce assert.raises).
+ */
+QUnit.raises = assert[ "throws" ];
+
+/**
+ * @deprecated since 1.0.0, replaced with error pushes since 1.3.0
+ * Kept to avoid TypeErrors for undefined methods.
+ */
+QUnit.equals = function() {
+        QUnit.push( false, false, false, "QUnit.equals has been deprecated since 2009 (e88049a0), use QUnit.equal instead" );
+};
+QUnit.same = function() {
+        QUnit.push( false, false, false, "QUnit.same has been deprecated since 2009 (e88049a0), use QUnit.deepEqual instead" );
+};
+
+// We want access to the constructor's prototype
+(function() {
+        function F() {}
+        F.prototype = QUnit;
+        QUnit = new F();
+        // Make F QUnit's constructor so that we can add to the prototype later
+        QUnit.constructor = F;
+}());
+
+/**
+ * Config object: Maintain internal state
+ * Later exposed as QUnit.config
+ * `config` initialized at top of scope
+ */
+config = {
+        // The queue of tests to run
+        queue: [],
+
+        // block until document ready
+        blocking: true,
+
+        // when enabled, show only failing tests
+        // gets persisted through sessionStorage and can be changed in UI via checkbox
+        hidepassed: false,
+
+        // by default, run previously failed tests first
+        // very useful in combination with "Hide passed tests" checked
+        reorder: true,
+
+        // by default, modify document.title when suite is done
+        altertitle: true,
+
+        // when enabled, all tests must call expect()
+        requireExpects: false,
+
+        // add checkboxes that are persisted in the query-string
+        // when enabled, the id is set to `true` as a `QUnit.config` property
+        urlConfig: [
+                {
+                        id: "noglobals",
+                        label: "Check for Globals",
+                        tooltip: "Enabling this will test if any test introduces new properties on the `window` object. Stored as query-strings."
+                },
+                {
+                        id: "notrycatch",
+                        label: "No try-catch",
+                        tooltip: "Enabling this will run tests outside of a try-catch block. Makes debugging exceptions in IE reasonable. Stored as query-strings."
+                }
+        ],
+
+        // Set of all modules.
+        modules: {},
+
+        // logging callback queues
+        begin: [],
+        done: [],
+        log: [],
+        testStart: [],
+        testDone: [],
+        moduleStart: [],
+        moduleDone: []
+};
+
+// Export global variables, unless an 'exports' object exists,
+// in that case we assume we're in CommonJS (dealt with on the bottom of the script)
+if ( typeof exports === "undefined" ) {
+        extend( window, QUnit.constructor.prototype );
+
+        // Expose QUnit object
+        window.QUnit = QUnit;
+}
+
+// Initialize more QUnit.config and QUnit.urlParams
+(function() {
+        var i,
+                location = window.location || { search: "", protocol: "file:" },
+                params = location.search.slice( 1 ).split( "&" ),
+                length = params.length,
+                urlParams = {},
+                current;
+
+        if ( params[ 0 ] ) {
+                for ( i = 0; i < length; i++ ) {
+                        current = params[ i ].split( "=" );
+                        current[ 0 ] = decodeURIComponent( current[ 0 ] );
+                        // allow just a key to turn on a flag, e.g., test.html?noglobals
+                        current[ 1 ] = current[ 1 ] ? decodeURIComponent( current[ 1 ] ) : true;
+                        urlParams[ current[ 0 ] ] = current[ 1 ];
+                }
+        }
+
+        QUnit.urlParams = urlParams;
+
+        // String search anywhere in moduleName+testName
+        config.filter = urlParams.filter;
+
+        // Exact match of the module name
+        config.module = urlParams.module;
+
+        config.testNumber = parseInt( urlParams.testNumber, 10 ) || null;
+
+        // Figure out if we're running the tests from a server or not
+        QUnit.isLocal = location.protocol === "file:";
+}());
+
+// Extend QUnit object,
+// these after set here because they should not be exposed as global functions
+extend( QUnit, {
+        assert: assert,
+
+        config: config,
+
+        // Initialize the configuration options
+        init: function() {
+                extend( config, {
+                        stats: { all: 0, bad: 0 },
+                        moduleStats: { all: 0, bad: 0 },
+                        started: +new Date(),
+                        updateRate: 1000,
+                        blocking: false,
+                        autostart: true,
+                        autorun: false,
+                        filter: "",
+                        queue: [],
+                        semaphore: 1
+                });
+
+                var tests, banner, result,
+                        qunit = id( "qunit" );
+
+                if ( qunit ) {
+                        qunit.innerHTML =
+                                "<h1 id='qunit-header'>" + escapeText( document.title ) + "</h1>" +
+                                "<h2 id='qunit-banner'></h2>" +
+                                "<div id='qunit-testrunner-toolbar'></div>" +
+                                "<h2 id='qunit-userAgent'></h2>" +
+                                "<ol id='qunit-tests'></ol>";
+                }
+
+                tests = id( "qunit-tests" );
+                banner = id( "qunit-banner" );
+                result = id( "qunit-testresult" );
+
+                if ( tests ) {
+                        tests.innerHTML = "";
+                }
+
+                if ( banner ) {
+                        banner.className = "";
+                }
+
+                if ( result ) {
+                        result.parentNode.removeChild( result );
+                }
+
+                if ( tests ) {
+                        result = document.createElement( "p" );
+                        result.id = "qunit-testresult";
+                        result.className = "result";
+                        tests.parentNode.insertBefore( result, tests );
+                        result.innerHTML = "Running...<br/>&nbsp;";
+                }
+        },
+
+        // Resets the test setup. Useful for tests that modify the DOM.
+        /*
+        DEPRECATED: Use multiple tests instead of resetting inside a test.
+        Use testStart or testDone for custom cleanup.
+        This method will throw an error in 2.0, and will be removed in 2.1
+        */
+        reset: function() {
+                var fixture = id( "qunit-fixture" );
+                if ( fixture ) {
+                        fixture.innerHTML = config.fixture;
+                }
+        },
+
+        // Trigger an event on an element.
+        // @example triggerEvent( document.body, "click" );
+        triggerEvent: function( elem, type, event ) {
+                if ( document.createEvent ) {
+                        event = document.createEvent( "MouseEvents" );
+                        event.initMouseEvent(type, true, true, elem.ownerDocument.defaultView,
+                                0, 0, 0, 0, 0, false, false, false, false, 0, null);
+
+                        elem.dispatchEvent( event );
+                } else if ( elem.fireEvent ) {
+                        elem.fireEvent( "on" + type );
+                }
+        },
+
+        // Safe object type checking
+        is: function( type, obj ) {
+                return QUnit.objectType( obj ) === type;
+        },
+
+        objectType: function( obj ) {
+                if ( typeof obj === "undefined" ) {
+                                return "undefined";
+                // consider: typeof null === object
+                }
+                if ( obj === null ) {
+                                return "null";
+                }
+
+                var match = toString.call( obj ).match(/^\[object\s(.*)\]$/),
+                        type = match && match[1] || "";
+
+                switch ( type ) {
+                        case "Number":
+                                if ( isNaN(obj) ) {
+                                        return "nan";
+                                }
+                                return "number";
+                        case "String":
+                        case "Boolean":
+                        case "Array":
+                        case "Date":
+                        case "RegExp":
+                        case "Function":
+                                return type.toLowerCase();
+                }
+                if ( typeof obj === "object" ) {
+                        return "object";
+                }
+                return undefined;
+        },
+
+        push: function( result, actual, expected, message ) {
+                if ( !config.current ) {
+                        throw new Error( "assertion outside test context, was " + sourceFromStacktrace() );
+                }
+
+                var output, source,
+                        details = {
+                                module: config.current.module,
+                                name: config.current.testName,
+                                result: result,
+                                message: message,
+                                actual: actual,
+                                expected: expected
+                        };
+
+                message = escapeText( message ) || ( result ? "okay" : "failed" );
+                message = "<span class='test-message'>" + message + "</span>";
+                output = message;
+
+                if ( !result ) {
+                        expected = escapeText( QUnit.jsDump.parse(expected) );
+                        actual = escapeText( QUnit.jsDump.parse(actual) );
+                        output += "<table><tr class='test-expected'><th>Expected: </th><td><pre>" + expected + "</pre></td></tr>";
+
+                        if ( actual !== expected ) {
+                                output += "<tr class='test-actual'><th>Result: </th><td><pre>" + actual + "</pre></td></tr>";
+                                output += "<tr class='test-diff'><th>Diff: </th><td><pre>" + QUnit.diff( expected, actual ) + "</pre></td></tr>";
+                        }
+
+                        source = sourceFromStacktrace();
+
+                        if ( source ) {
+                                details.source = source;
+                                output += "<tr class='test-source'><th>Source: </th><td><pre>" + escapeText( source ) + "</pre></td></tr>";
+                        }
+
+                        output += "</table>";
+                }
+
+                runLoggingCallbacks( "log", QUnit, details );
+
+                config.current.assertions.push({
+                        result: !!result,
+                        message: output
+                });
+        },
+
+        pushFailure: function( message, source, actual ) {
+                if ( !config.current ) {
+                        throw new Error( "pushFailure() assertion outside test context, was " + sourceFromStacktrace(2) );
+                }
+
+                var output,
+                        details = {
+                                module: config.current.module,
+                                name: config.current.testName,
+                                result: false,
+                                message: message
+                        };
+
+                message = escapeText( message ) || "error";
+                message = "<span class='test-message'>" + message + "</span>";
+                output = message;
+
+                output += "<table>";
+
+                if ( actual ) {
+                        output += "<tr class='test-actual'><th>Result: </th><td><pre>" + escapeText( actual ) + "</pre></td></tr>";
+                }
+
+                if ( source ) {
+                        details.source = source;
+                        output += "<tr class='test-source'><th>Source: </th><td><pre>" + escapeText( source ) + "</pre></td></tr>";
+                }
+
+                output += "</table>";
+
+                runLoggingCallbacks( "log", QUnit, details );
+
+                config.current.assertions.push({
+                        result: false,
+                        message: output
+                });
+        },
+
+        url: function( params ) {
+                params = extend( extend( {}, QUnit.urlParams ), params );
+                var key,
+                        querystring = "?";
+
+                for ( key in params ) {
+                        if ( hasOwn.call( params, key ) ) {
+                                querystring += encodeURIComponent( key ) + "=" +
+                                        encodeURIComponent( params[ key ] ) + "&";
+                        }
+                }
+                return window.location.protocol + "//" + window.location.host +
+                        window.location.pathname + querystring.slice( 0, -1 );
+        },
+
+        extend: extend,
+        id: id,
+        addEvent: addEvent,
+        addClass: addClass,
+        hasClass: hasClass,
+        removeClass: removeClass
+        // load, equiv, jsDump, diff: Attached later
+});
+
+/**
+ * @deprecated: Created for backwards compatibility with test runner that set the hook function
+ * into QUnit.{hook}, instead of invoking it and passing the hook function.
+ * QUnit.constructor is set to the empty F() above so that we can add to it's prototype here.
+ * Doing this allows us to tell if the following methods have been overwritten on the actual
+ * QUnit object.
+ */
+extend( QUnit.constructor.prototype, {
+
+        // Logging callbacks; all receive a single argument with the listed properties
+        // run test/logs.html for any related changes
+        begin: registerLoggingCallback( "begin" ),
+
+        // done: { failed, passed, total, runtime }
+        done: registerLoggingCallback( "done" ),
+
+        // log: { result, actual, expected, message }
+        log: registerLoggingCallback( "log" ),
+
+        // testStart: { name }
+        testStart: registerLoggingCallback( "testStart" ),
+
+        // testDone: { name, failed, passed, total, duration }
+        testDone: registerLoggingCallback( "testDone" ),
+
+        // moduleStart: { name }
+        moduleStart: registerLoggingCallback( "moduleStart" ),
+
+        // moduleDone: { name, failed, passed, total }
+        moduleDone: registerLoggingCallback( "moduleDone" )
+});
+
+if ( typeof document === "undefined" || document.readyState === "complete" ) {
+        config.autorun = true;
+}
+
+QUnit.load = function() {
+        runLoggingCallbacks( "begin", QUnit, {} );
+
+        // Initialize the config, saving the execution queue
+        var banner, filter, i, label, len, main, ol, toolbar, userAgent, val,
+                urlConfigCheckboxesContainer, urlConfigCheckboxes, moduleFilter,
+                numModules = 0,
+                moduleNames = [],
+                moduleFilterHtml = "",
+                urlConfigHtml = "",
+                oldconfig = extend( {}, config );
+
+        QUnit.init();
+        extend(config, oldconfig);
+
+        config.blocking = false;
+
+        len = config.urlConfig.length;
+
+        for ( i = 0; i < len; i++ ) {
+                val = config.urlConfig[i];
+                if ( typeof val === "string" ) {
+                        val = {
+                                id: val,
+                                label: val,
+                                tooltip: "[no tooltip available]"
+                        };
+                }
+                config[ val.id ] = QUnit.urlParams[ val.id ];
+                urlConfigHtml += "<input id='qunit-urlconfig-" + escapeText( val.id ) +
+                        "' name='" + escapeText( val.id ) +
+                        "' type='checkbox'" + ( config[ val.id ] ? " checked='checked'" : "" ) +
+                        " title='" + escapeText( val.tooltip ) +
+                        "'><label for='qunit-urlconfig-" + escapeText( val.id ) +
+                        "' title='" + escapeText( val.tooltip ) + "'>" + val.label + "</label>";
+        }
+        for ( i in config.modules ) {
+                if ( config.modules.hasOwnProperty( i ) ) {
+                        moduleNames.push(i);
+                }
+        }
+        numModules = moduleNames.length;
+        moduleNames.sort( function( a, b ) {
+                return a.localeCompare( b );
+        });
+        moduleFilterHtml += "<label for='qunit-modulefilter'>Module: </label><select id='qunit-modulefilter' name='modulefilter'><option value='' " +
+                ( config.module === undefined  ? "selected='selected'" : "" ) +
+                ">< All Modules ></option>";
+
+
+        for ( i = 0; i < numModules; i++) {
+                        moduleFilterHtml += "<option value='" + escapeText( encodeURIComponent(moduleNames[i]) ) + "' " +
+                                ( config.module === moduleNames[i] ? "selected='selected'" : "" ) +
+                                ">" + escapeText(moduleNames[i]) + "</option>";
+        }
+        moduleFilterHtml += "</select>";
+
+        // `userAgent` initialized at top of scope
+        userAgent = id( "qunit-userAgent" );
+        if ( userAgent ) {
+                userAgent.innerHTML = navigator.userAgent;
+        }
+
+        // `banner` initialized at top of scope
+        banner = id( "qunit-header" );
+        if ( banner ) {
+                banner.innerHTML = "<a href='" + QUnit.url({ filter: undefined, module: undefined, testNumber: undefined }) + "'>" + banner.innerHTML + "</a> ";
+        }
+
+        // `toolbar` initialized at top of scope
+        toolbar = id( "qunit-testrunner-toolbar" );
+        if ( toolbar ) {
+                // `filter` initialized at top of scope
+                filter = document.createElement( "input" );
+                filter.type = "checkbox";
+                filter.id = "qunit-filter-pass";
+
+                addEvent( filter, "click", function() {
+                        var tmp,
+                                ol = document.getElementById( "qunit-tests" );
+
+                        if ( filter.checked ) {
+                                ol.className = ol.className + " hidepass";
+                        } else {
+                                tmp = " " + ol.className.replace( /[\n\t\r]/g, " " ) + " ";
+                                ol.className = tmp.replace( / hidepass /, " " );
+                        }
+                        if ( defined.sessionStorage ) {
+                                if (filter.checked) {
+                                        sessionStorage.setItem( "qunit-filter-passed-tests", "true" );
+                                } else {
+                                        sessionStorage.removeItem( "qunit-filter-passed-tests" );
+                                }
+                        }
+                });
+
+                if ( config.hidepassed || defined.sessionStorage && sessionStorage.getItem( "qunit-filter-passed-tests" ) ) {
+                        filter.checked = true;
+                        // `ol` initialized at top of scope
+                        ol = document.getElementById( "qunit-tests" );
+                        ol.className = ol.className + " hidepass";
+                }
+                toolbar.appendChild( filter );
+
+                // `label` initialized at top of scope
+                label = document.createElement( "label" );
+                label.setAttribute( "for", "qunit-filter-pass" );
+                label.setAttribute( "title", "Only show tests and assertions that fail. Stored in sessionStorage." );
+                label.innerHTML = "Hide passed tests";
+                toolbar.appendChild( label );
+
+                urlConfigCheckboxesContainer = document.createElement("span");
+                urlConfigCheckboxesContainer.innerHTML = urlConfigHtml;
+                urlConfigCheckboxes = urlConfigCheckboxesContainer.getElementsByTagName("input");
+                // For oldIE support:
+                // * Add handlers to the individual elements instead of the container
+                // * Use "click" instead of "change"
+                // * Fallback from event.target to event.srcElement
+                addEvents( urlConfigCheckboxes, "click", function( event ) {
+                        var params = {},
+                                target = event.target || event.srcElement;
+                        params[ target.name ] = target.checked ? true : undefined;
+                        window.location = QUnit.url( params );
+                });
+                toolbar.appendChild( urlConfigCheckboxesContainer );
+
+                if (numModules > 1) {
+                        moduleFilter = document.createElement( "span" );
+                        moduleFilter.setAttribute( "id", "qunit-modulefilter-container" );
+                        moduleFilter.innerHTML = moduleFilterHtml;
+                        addEvent( moduleFilter.lastChild, "change", function() {
+                                var selectBox = moduleFilter.getElementsByTagName("select")[0],
+                                        selectedModule = decodeURIComponent(selectBox.options[selectBox.selectedIndex].value);
+
+                                window.location = QUnit.url({
+                                        module: ( selectedModule === "" ) ? undefined : selectedModule,
+                                        // Remove any existing filters
+                                        filter: undefined,
+                                        testNumber: undefined
+                                });
+                        });
+                        toolbar.appendChild(moduleFilter);
+                }
+        }
+
+        // `main` initialized at top of scope
+        main = id( "qunit-fixture" );
+        if ( main ) {
+                config.fixture = main.innerHTML;
+        }
+
+        if ( config.autostart ) {
+                QUnit.start();
+        }
+};
+
+addEvent( window, "load", QUnit.load );
+
+// `onErrorFnPrev` initialized at top of scope
+// Preserve other handlers
+onErrorFnPrev = window.onerror;
+
+// Cover uncaught exceptions
+// Returning true will suppress the default browser handler,
+// returning false will let it run.
+window.onerror = function ( error, filePath, linerNr ) {
+        var ret = false;
+        if ( onErrorFnPrev ) {
+                ret = onErrorFnPrev( error, filePath, linerNr );
+        }
+
+        // Treat return value as window.onerror itself does,
+        // Only do our handling if not suppressed.
+        if ( ret !== true ) {
+                if ( QUnit.config.current ) {
+                        if ( QUnit.config.current.ignoreGlobalErrors ) {
+                                return true;
+                        }
+                        QUnit.pushFailure( error, filePath + ":" + linerNr );
+                } else {
+                        QUnit.test( "global failure", extend( function() {
+                                QUnit.pushFailure( error, filePath + ":" + linerNr );
+                        }, { validTest: validTest } ) );
+                }
+                return false;
+        }
+
+        return ret;
+};
+
+function done() {
+        config.autorun = true;
+
+        // Log the last module results
+        if ( config.currentModule ) {
+                runLoggingCallbacks( "moduleDone", QUnit, {
+                        name: config.currentModule,
+                        failed: config.moduleStats.bad,
+                        passed: config.moduleStats.all - config.moduleStats.bad,
+                        total: config.moduleStats.all
+                });
+        }
+        delete config.previousModule;
+
+        var i, key,
+                banner = id( "qunit-banner" ),
+                tests = id( "qunit-tests" ),
+                runtime = +new Date() - config.started,
+                passed = config.stats.all - config.stats.bad,
+                html = [
+                        "Tests completed in ",
+                        runtime,
+                        " milliseconds.<br/>",
+                        "<span class='passed'>",
+                        passed,
+                        "</span> assertions of <span class='total'>",
+                        config.stats.all,
+                        "</span> passed, <span class='failed'>",
+                        config.stats.bad,
+                        "</span> failed."
+                ].join( "" );
+
+        if ( banner ) {
+                banner.className = ( config.stats.bad ? "qunit-fail" : "qunit-pass" );
+        }
+
+        if ( tests ) {
+                id( "qunit-testresult" ).innerHTML = html;
+        }
+
+        if ( config.altertitle && typeof document !== "undefined" && document.title ) {
+                // show ✖ for good, ✔ for bad suite result in title
+                // use escape sequences in case file gets loaded with non-utf-8-charset
+                document.title = [
+                        ( config.stats.bad ? "\u2716" : "\u2714" ),
+                        document.title.replace( /^[\u2714\u2716] /i, "" )
+                ].join( " " );
+        }
+
+        // clear own sessionStorage items if all tests passed
+        if ( config.reorder && defined.sessionStorage && config.stats.bad === 0 ) {
+                // `key` & `i` initialized at top of scope
+                for ( i = 0; i < sessionStorage.length; i++ ) {
+                        key = sessionStorage.key( i++ );
+                        if ( key.indexOf( "qunit-test-" ) === 0 ) {
+                                sessionStorage.removeItem( key );
+                        }
+                }
+        }
+
+        // scroll back to top to show results
+        if ( window.scrollTo ) {
+                window.scrollTo(0, 0);
+        }
+
+        runLoggingCallbacks( "done", QUnit, {
+                failed: config.stats.bad,
+                passed: passed,
+                total: config.stats.all,
+                runtime: runtime
+        });
+}
+
+/** @return Boolean: true if this test should be ran */
+function validTest( test ) {
+        var include,
+                filter = config.filter && config.filter.toLowerCase(),
+                module = config.module && config.module.toLowerCase(),
+                fullName = (test.module + ": " + test.testName).toLowerCase();
+
+        // Internally-generated tests are always valid
+        if ( test.callback && test.callback.validTest === validTest ) {
+                delete test.callback.validTest;
+                return true;
+        }
+
+        if ( config.testNumber ) {
+                return test.testNumber === config.testNumber;
+        }
+
+        if ( module && ( !test.module || test.module.toLowerCase() !== module ) ) {
+                return false;
+        }
+
+        if ( !filter ) {
+                return true;
+        }
+
+        include = filter.charAt( 0 ) !== "!";
+        if ( !include ) {
+                filter = filter.slice( 1 );
+        }
+
+        // If the filter matches, we need to honour include
+        if ( fullName.indexOf( filter ) !== -1 ) {
+                return include;
+        }
+
+        // Otherwise, do the opposite
+        return !include;
+}
+
+// so far supports only Firefox, Chrome and Opera (buggy), Safari (for real exceptions)
+// Later Safari and IE10 are supposed to support error.stack as well
+// See also https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Error/Stack
+function extractStacktrace( e, offset ) {
+        offset = offset === undefined ? 3 : offset;
+
+        var stack, include, i;
+
+        if ( e.stacktrace ) {
+                // Opera
+                return e.stacktrace.split( "\n" )[ offset + 3 ];
+        } else if ( e.stack ) {
+                // Firefox, Chrome
+                stack = e.stack.split( "\n" );
+                if (/^error$/i.test( stack[0] ) ) {
+                        stack.shift();
+                }
+                if ( fileName ) {
+                        include = [];
+                        for ( i = offset; i < stack.length; i++ ) {
+                                if ( stack[ i ].indexOf( fileName ) !== -1 ) {
+                                        break;
+                                }
+                                include.push( stack[ i ] );
+                        }
+                        if ( include.length ) {
+                                return include.join( "\n" );
+                        }
+                }
+                return stack[ offset ];
+        } else if ( e.sourceURL ) {
+                // Safari, PhantomJS
+                // hopefully one day Safari provides actual stacktraces
+                // exclude useless self-reference for generated Error objects
+                if ( /qunit.js$/.test( e.sourceURL ) ) {
+                        return;
+                }
+                // for actual exceptions, this is useful
+                return e.sourceURL + ":" + e.line;
+        }
+}
+function sourceFromStacktrace( offset ) {
+        try {
+                throw new Error();
+        } catch ( e ) {
+                return extractStacktrace( e, offset );
+        }
+}
+
+/**
+ * Escape text for attribute or text content.
+ */
+function escapeText( s ) {
+        if ( !s ) {
+                return "";
+        }
+        s = s + "";
+        // Both single quotes and double quotes (for attributes)
+        return s.replace( /['"<>&]/g, function( s ) {
+                switch( s ) {
+                        case "'":
+                                return "&#039;";
+                        case "\"":
+                                return "&quot;";
+                        case "<":
+                                return "&lt;";
+                        case ">":
+                                return "&gt;";
+                        case "&":
+                                return "&amp;";
+                }
+        });
+}
+
+function synchronize( callback, last ) {
+        config.queue.push( callback );
+
+        if ( config.autorun && !config.blocking ) {
+                process( last );
+        }
+}
+
+function process( last ) {
+        function next() {
+                process( last );
+        }
+        var start = new Date().getTime();
+        config.depth = config.depth ? config.depth + 1 : 1;
+
+        while ( config.queue.length && !config.blocking ) {
+                if ( !defined.setTimeout || config.updateRate <= 0 || ( ( new Date().getTime() - start ) < config.updateRate ) ) {
+                        config.queue.shift()();
+                } else {
+                        setTimeout( next, 13 );
+                        break;
+                }
+        }
+        config.depth--;
+        if ( last && !config.blocking && !config.queue.length && config.depth === 0 ) {
+                done();
+        }
+}
+
+function saveGlobal() {
+        config.pollution = [];
+
+        if ( config.noglobals ) {
+                for ( var key in window ) {
+                        if ( hasOwn.call( window, key ) ) {
+                                // in Opera sometimes DOM element ids show up here, ignore them
+                                if ( /^qunit-test-output/.test( key ) ) {
+                                        continue;
+                                }
+                                config.pollution.push( key );
+                        }
+                }
+        }
+}
+
+function checkPollution() {
+        var newGlobals,
+                deletedGlobals,
+                old = config.pollution;
+
+        saveGlobal();
+
+        newGlobals = diff( config.pollution, old );
+        if ( newGlobals.length > 0 ) {
+                QUnit.pushFailure( "Introduced global variable(s): " + newGlobals.join(", ") );
+        }
+
+        deletedGlobals = diff( old, config.pollution );
+        if ( deletedGlobals.length > 0 ) {
+                QUnit.pushFailure( "Deleted global variable(s): " + deletedGlobals.join(", ") );
+        }
+}
+
+// returns a new Array with the elements that are in a but not in b
+function diff( a, b ) {
+        var i, j,
+                result = a.slice();
+
+        for ( i = 0; i < result.length; i++ ) {
+                for ( j = 0; j < b.length; j++ ) {
+                        if ( result[i] === b[j] ) {
+                                result.splice( i, 1 );
+                                i--;
+                                break;
+                        }
+                }
+        }
+        return result;
+}
+
+function extend( a, b ) {
+        for ( var prop in b ) {
+                if ( hasOwn.call( b, prop ) ) {
+                        // Avoid "Member not found" error in IE8 caused by messing with window.constructor
+                        if ( !( prop === "constructor" && a === window ) ) {
+                                if ( b[ prop ] === undefined ) {
+                                        delete a[ prop ];
+                                } else {
+                                        a[ prop ] = b[ prop ];
+                                }
+                        }
+                }
+        }
+
+        return a;
+}
+
+/**
+ * @param {HTMLElement} elem
+ * @param {string} type
+ * @param {Function} fn
+ */
+function addEvent( elem, type, fn ) {
+        // Standards-based browsers
+        if ( elem.addEventListener ) {
+                elem.addEventListener( type, fn, false );
+        // IE
+        } else {
+                elem.attachEvent( "on" + type, fn );
+        }
+}
+
+/**
+ * @param {Array|NodeList} elems
+ * @param {string} type
+ * @param {Function} fn
+ */
+function addEvents( elems, type, fn ) {
+        var i = elems.length;
+        while ( i-- ) {
+                addEvent( elems[i], type, fn );
+        }
+}
+
+function hasClass( elem, name ) {
+        return (" " + elem.className + " ").indexOf(" " + name + " ") > -1;
+}
+
+function addClass( elem, name ) {
+        if ( !hasClass( elem, name ) ) {
+                elem.className += (elem.className ? " " : "") + name;
+        }
+}
+
+function removeClass( elem, name ) {
+        var set = " " + elem.className + " ";
+        // Class name may appear multiple times
+        while ( set.indexOf(" " + name + " ") > -1 ) {
+                set = set.replace(" " + name + " " , " ");
+        }
+        // If possible, trim it for prettiness, but not necessarily
+        elem.className = typeof set.trim === "function" ? set.trim() : set.replace(/^\s+|\s+$/g, "");
+}
+
+function id( name ) {
+        return !!( typeof document !== "undefined" && document && document.getElementById ) &&
+                document.getElementById( name );
+}
+
+function registerLoggingCallback( key ) {
+        return function( callback ) {
+                config[key].push( callback );
+        };
+}
+
+// Supports deprecated method of completely overwriting logging callbacks
+function runLoggingCallbacks( key, scope, args ) {
+        var i, callbacks;
+        if ( QUnit.hasOwnProperty( key ) ) {
+                QUnit[ key ].call(scope, args );
+        } else {
+                callbacks = config[ key ];
+                for ( i = 0; i < callbacks.length; i++ ) {
+                        callbacks[ i ].call( scope, args );
+                }
+        }
+}
+
+// Test for equality any JavaScript type.
+// Author: Philippe Rathé <prathe@gmail.com>
+QUnit.equiv = (function() {
+
+        // Call the o related callback with the given arguments.
+        function bindCallbacks( o, callbacks, args ) {
+                var prop = QUnit.objectType( o );
+                if ( prop ) {
+                        if ( QUnit.objectType( callbacks[ prop ] ) === "function" ) {
+                                return callbacks[ prop ].apply( callbacks, args );
+                        } else {
+                                return callbacks[ prop ]; // or undefined
+                        }
+                }
+        }
+
+        // the real equiv function
+        var innerEquiv,
+                // stack to decide between skip/abort functions
+                callers = [],
+                // stack to avoiding loops from circular referencing
+                parents = [],
+                parentsB = [],
+
+                getProto = Object.getPrototypeOf || function ( obj ) {
+                        /*jshint camelcase:false */
+                        return obj.__proto__;
+                },
+                callbacks = (function () {
+
+                        // for string, boolean, number and null
+                        function useStrictEquality( b, a ) {
+                                /*jshint eqeqeq:false */
+                                if ( b instanceof a.constructor || a instanceof b.constructor ) {
+                                        // to catch short annotation VS 'new' annotation of a
+                                        // declaration
+                                        // e.g. var i = 1;
+                                        // var j = new Number(1);
+                                        return a == b;
+                                } else {
+                                        return a === b;
+                                }
+                        }
+
+                        return {
+                                "string": useStrictEquality,
+                                "boolean": useStrictEquality,
+                                "number": useStrictEquality,
+                                "null": useStrictEquality,
+                                "undefined": useStrictEquality,
+
+                                "nan": function( b ) {
+                                        return isNaN( b );
+                                },
+
+                                "date": function( b, a ) {
+                                        return QUnit.objectType( b ) === "date" && a.valueOf() === b.valueOf();
+                                },
+
+                                "regexp": function( b, a ) {
+                                        return QUnit.objectType( b ) === "regexp" &&
+                                                // the regex itself
+                                                a.source === b.source &&
+                                                // and its modifiers
+                                                a.global === b.global &&
+                                                // (gmi) ...
+                                                a.ignoreCase === b.ignoreCase &&
+                                                a.multiline === b.multiline &&
+                                                a.sticky === b.sticky;
+                                },
+
+                                // - skip when the property is a method of an instance (OOP)
+                                // - abort otherwise,
+                                // initial === would have catch identical references anyway
+                                "function": function() {
+                                        var caller = callers[callers.length - 1];
+                                        return caller !== Object && typeof caller !== "undefined";
+                                },
+
+                                "array": function( b, a ) {
+                                        var i, j, len, loop, aCircular, bCircular;
+
+                                        // b could be an object literal here
+                                        if ( QUnit.objectType( b ) !== "array" ) {
+                                                return false;
+                                        }
+
+                                        len = a.length;
+                                        if ( len !== b.length ) {
+                                                // safe and faster
+                                                return false;
+                                        }
+
+                                        // track reference to avoid circular references
+                                        parents.push( a );
+                                        parentsB.push( b );
+                                        for ( i = 0; i < len; i++ ) {
+                                                loop = false;
+                                                for ( j = 0; j < parents.length; j++ ) {
+                                                        aCircular = parents[j] === a[i];
+                                                        bCircular = parentsB[j] === b[i];
+                                                        if ( aCircular || bCircular ) {
+                                                                if ( a[i] === b[i] || aCircular && bCircular ) {
+                                                                        loop = true;
+                                                                } else {
+                                                                        parents.pop();
+                                                                        parentsB.pop();
+                                                                        return false;
+                                                                }
+                                                        }
+                                                }
+                                                if ( !loop && !innerEquiv(a[i], b[i]) ) {
+                                                        parents.pop();
+                                                        parentsB.pop();
+                                                        return false;
+                                                }
+                                        }
+                                        parents.pop();
+                                        parentsB.pop();
+                                        return true;
+                                },
+
+                                "object": function( b, a ) {
+                                        /*jshint forin:false */
+                                        var i, j, loop, aCircular, bCircular,
+                                                // Default to true
+                                                eq = true,
+                                                aProperties = [],
+                                                bProperties = [];
+
+                                        // comparing constructors is more strict than using
+                                        // instanceof
+                                        if ( a.constructor !== b.constructor ) {
+                                                // Allow objects with no prototype to be equivalent to
+                                                // objects with Object as their constructor.
+                                                if ( !(( getProto(a) === null && getProto(b) === Object.prototype ) ||
+                                                        ( getProto(b) === null && getProto(a) === Object.prototype ) ) ) {
+                                                                return false;
+                                                }
+                                        }
+
+                                        // stack constructor before traversing properties
+                                        callers.push( a.constructor );
+
+                                        // track reference to avoid circular references
+                                        parents.push( a );
+                                        parentsB.push( b );
+
+                                        // be strict: don't ensure hasOwnProperty and go deep
+                                        for ( i in a ) {
+                                                loop = false;
+                                                for ( j = 0; j < parents.length; j++ ) {
+                                                        aCircular = parents[j] === a[i];
+                                                        bCircular = parentsB[j] === b[i];
+                                                        if ( aCircular || bCircular ) {
+                                                                if ( a[i] === b[i] || aCircular && bCircular ) {
+                                                                        loop = true;
+                                                                } else {
+                                                                        eq = false;
+                                                                        break;
+                                                                }
+                                                        }
+                                                }
+                                                aProperties.push(i);
+                                                if ( !loop && !innerEquiv(a[i], b[i]) ) {
+                                                        eq = false;
+                                                        break;
+                                                }
+                                        }
+
+                                        parents.pop();
+                                        parentsB.pop();
+                                        callers.pop(); // unstack, we are done
+
+                                        for ( i in b ) {
+                                                bProperties.push( i ); // collect b's properties
+                                        }
+
+                                        // Ensures identical properties name
+                                        return eq && innerEquiv( aProperties.sort(), bProperties.sort() );
+                                }
+                        };
+                }());
+
+        innerEquiv = function() { // can take multiple arguments
+                var args = [].slice.apply( arguments );
+                if ( args.length < 2 ) {
+                        return true; // end transition
+                }
+
+                return (function( a, b ) {
+                        if ( a === b ) {
+                                return true; // catch the most you can
+                        } else if ( a === null || b === null || typeof a === "undefined" ||
+                                        typeof b === "undefined" ||
+                                        QUnit.objectType(a) !== QUnit.objectType(b) ) {
+                                return false; // don't lose time with error prone cases
+                        } else {
+                                return bindCallbacks(a, callbacks, [ b, a ]);
+                        }
+
+                        // apply transition with (1..n) arguments
+                }( args[0], args[1] ) && innerEquiv.apply( this, args.splice(1, args.length - 1 )) );
+        };
+
+        return innerEquiv;
+}());
+
+/**
+ * jsDump Copyright (c) 2008 Ariel Flesler - aflesler(at)gmail(dot)com |
+ * http://flesler.blogspot.com Licensed under BSD
+ * (http://www.opensource.org/licenses/bsd-license.php) Date: 5/15/2008
+ *
+ * @projectDescription Advanced and extensible data dumping for Javascript.
+ * @version 1.0.0
+ * @author Ariel Flesler
+ * @link {http://flesler.blogspot.com/2008/05/jsdump-pretty-dump-of-any-javascript.html}
+ */
+QUnit.jsDump = (function() {
+        function quote( str ) {
+                return "\"" + str.toString().replace( /"/g, "\\\"" ) + "\"";
+        }
+        function literal( o ) {
+                return o + "";
+        }
+        function join( pre, arr, post ) {
+                var s = jsDump.separator(),
+                        base = jsDump.indent(),
+                        inner = jsDump.indent(1);
+                if ( arr.join ) {
+                        arr = arr.join( "," + s + inner );
+                }
+                if ( !arr ) {
+                        return pre + post;
+                }
+                return [ pre, inner + arr, base + post ].join(s);
+        }
+        function array( arr, stack ) {
+                var i = arr.length, ret = new Array(i);
+                this.up();
+                while ( i-- ) {
+                        ret[i] = this.parse( arr[i] , undefined , stack);
+                }
+                this.down();
+                return join( "[", ret, "]" );
+        }
+
+        var reName = /^function (\w+)/,
+                jsDump = {
+                        // type is used mostly internally, you can fix a (custom)type in advance
+                        parse: function( obj, type, stack ) {
+                                stack = stack || [ ];
+                                var inStack, res,
+                                        parser = this.parsers[ type || this.typeOf(obj) ];
+
+                                type = typeof parser;
+                                inStack = inArray( obj, stack );
+
+                                if ( inStack !== -1 ) {
+                                        return "recursion(" + (inStack - stack.length) + ")";
+                                }
+                                if ( type === "function" )  {
+                                        stack.push( obj );
+                                        res = parser.call( this, obj, stack );
+                                        stack.pop();
+                                        return res;
+                                }
+                                return ( type === "string" ) ? parser : this.parsers.error;
+                        },
+                        typeOf: function( obj ) {
+                                var type;
+                                if ( obj === null ) {
+                                        type = "null";
+                                } else if ( typeof obj === "undefined" ) {
+                                        type = "undefined";
+                                } else if ( QUnit.is( "regexp", obj) ) {
+                                        type = "regexp";
+                                } else if ( QUnit.is( "date", obj) ) {
+                                        type = "date";
+                                } else if ( QUnit.is( "function", obj) ) {
+                                        type = "function";
+                                } else if ( typeof obj.setInterval !== undefined && typeof obj.document !== "undefined" && typeof obj.nodeType === "undefined" ) {
+                                        type = "window";
+                                } else if ( obj.nodeType === 9 ) {
+                                        type = "document";
+                                } else if ( obj.nodeType ) {
+                                        type = "node";
+                                } else if (
+                                        // native arrays
+                                        toString.call( obj ) === "[object Array]" ||
+                                        // NodeList objects
+                                        ( typeof obj.length === "number" && typeof obj.item !== "undefined" && ( obj.length ? obj.item(0) === obj[0] : ( obj.item( 0 ) === null && typeof obj[0] === "undefined" ) ) )
+                                ) {
+                                        type = "array";
+                                } else if ( obj.constructor === Error.prototype.constructor ) {
+                                        type = "error";
+                                } else {
+                                        type = typeof obj;
+                                }
+                                return type;
+                        },
+                        separator: function() {
+                                return this.multiline ? this.HTML ? "<br />" : "\n" : this.HTML ? "&nbsp;" : " ";
+                        },
+                        // extra can be a number, shortcut for increasing-calling-decreasing
+                        indent: function( extra ) {
+                                if ( !this.multiline ) {
+                                        return "";
+                                }
+                                var chr = this.indentChar;
+                                if ( this.HTML ) {
+                                        chr = chr.replace( /\t/g, "   " ).replace( / /g, "&nbsp;" );
+                                }
+                                return new Array( this.depth + ( extra || 0 ) ).join(chr);
+                        },
+                        up: function( a ) {
+                                this.depth += a || 1;
+                        },
+                        down: function( a ) {
+                                this.depth -= a || 1;
+                        },
+                        setParser: function( name, parser ) {
+                                this.parsers[name] = parser;
+                        },
+                        // The next 3 are exposed so you can use them
+                        quote: quote,
+                        literal: literal,
+                        join: join,
+                        //
+                        depth: 1,
+                        // This is the list of parsers, to modify them, use jsDump.setParser
+                        parsers: {
+                                window: "[Window]",
+                                document: "[Document]",
+                                error: function(error) {
+                                        return "Error(\"" + error.message + "\")";
+                                },
+                                unknown: "[Unknown]",
+                                "null": "null",
+                                "undefined": "undefined",
+                                "function": function( fn ) {
+                                        var ret = "function",
+                                                // functions never have name in IE
+                                                name = "name" in fn ? fn.name : (reName.exec(fn) || [])[1];
+
+                                        if ( name ) {
+                                                ret += " " + name;
+                                        }
+                                        ret += "( ";
+
+                                        ret = [ ret, QUnit.jsDump.parse( fn, "functionArgs" ), "){" ].join( "" );
+                                        return join( ret, QUnit.jsDump.parse(fn,"functionCode" ), "}" );
+                                },
+                                array: array,
+                                nodelist: array,
+                                "arguments": array,
+                                object: function( map, stack ) {
+                                        /*jshint forin:false */
+                                        var ret = [ ], keys, key, val, i;
+                                        QUnit.jsDump.up();
+                                        keys = [];
+                                        for ( key in map ) {
+                                                keys.push( key );
+                                        }
+                                        keys.sort();
+                                        for ( i = 0; i < keys.length; i++ ) {
+                                                key = keys[ i ];
+                                                val = map[ key ];
+                                                ret.push( QUnit.jsDump.parse( key, "key" ) + ": " + QUnit.jsDump.parse( val, undefined, stack ) );
+                                        }
+                                        QUnit.jsDump.down();
+                                        return join( "{", ret, "}" );
+                                },
+                                node: function( node ) {
+                                        var len, i, val,
+                                                open = QUnit.jsDump.HTML ? "&lt;" : "<",
+                                                close = QUnit.jsDump.HTML ? "&gt;" : ">",
+                                                tag = node.nodeName.toLowerCase(),
+                                                ret = open + tag,
+                                                attrs = node.attributes;
+
+                                        if ( attrs ) {
+                                                for ( i = 0, len = attrs.length; i < len; i++ ) {
+                                                        val = attrs[i].nodeValue;
+                                                        // IE6 includes all attributes in .attributes, even ones not explicitly set.
+                                                        // Those have values like undefined, null, 0, false, "" or "inherit".
+                                                        if ( val && val !== "inherit" ) {
+                                                                ret += " " + attrs[i].nodeName + "=" + QUnit.jsDump.parse( val, "attribute" );
+                                                        }
+                                                }
+                                        }
+                                        ret += close;
+
+                                        // Show content of TextNode or CDATASection
+                                        if ( node.nodeType === 3 || node.nodeType === 4 ) {
+                                                ret += node.nodeValue;
+                                        }
+
+                                        return ret + open + "/" + tag + close;
+                                },
+                                // function calls it internally, it's the arguments part of the function
+                                functionArgs: function( fn ) {
+                                        var args,
+                                                l = fn.length;
+
+                                        if ( !l ) {
+                                                return "";
+                                        }
+
+                                        args = new Array(l);
+                                        while ( l-- ) {
+                                                // 97 is 'a'
+                                                args[l] = String.fromCharCode(97+l);
+                                        }
+                                        return " " + args.join( ", " ) + " ";
+                                },
+                                // object calls it internally, the key part of an item in a map
+                                key: quote,
+                                // function calls it internally, it's the content of the function
+                                functionCode: "[code]",
+                                // node calls it internally, it's an html attribute value
+                                attribute: quote,
+                                string: quote,
+                                date: quote,
+                                regexp: literal,
+                                number: literal,
+                                "boolean": literal
+                        },
+                        // if true, entities are escaped ( <, >, \t, space and \n )
+                        HTML: false,
+                        // indentation unit
+                        indentChar: "  ",
+                        // if true, items in a collection, are separated by a \n, else just a space.
+                        multiline: true
+                };
+
+        return jsDump;
+}());
+
+// from jquery.js
+function inArray( elem, array ) {
+        if ( array.indexOf ) {
+                return array.indexOf( elem );
+        }
+
+        for ( var i = 0, length = array.length; i < length; i++ ) {
+                if ( array[ i ] === elem ) {
+                        return i;
+                }
+        }
+
+        return -1;
+}
+
+/*
+ * Javascript Diff Algorithm
+ *  By John Resig (http://ejohn.org/)
+ *  Modified by Chu Alan "sprite"
+ *
+ * Released under the MIT license.
+ *
+ * More Info:
+ *  http://ejohn.org/projects/javascript-diff-algorithm/
+ *
+ * Usage: QUnit.diff(expected, actual)
+ *
+ * QUnit.diff( "the quick brown fox jumped over", "the quick fox jumps over" ) == "the  quick <del>brown </del> fox <del>jumped </del><ins>jumps </ins> over"
+ */
+QUnit.diff = (function() {
+        /*jshint eqeqeq:false, eqnull:true */
+        function diff( o, n ) {
+                var i,
+                        ns = {},
+                        os = {};
+
+                for ( i = 0; i < n.length; i++ ) {
+                        if ( !hasOwn.call( ns, n[i] ) ) {
+                                ns[ n[i] ] = {
+                                        rows: [],
+                                        o: null
+                                };
+                        }
+                        ns[ n[i] ].rows.push( i );
+                }
+
+                for ( i = 0; i < o.length; i++ ) {
+                        if ( !hasOwn.call( os, o[i] ) ) {
+                                os[ o[i] ] = {
+                                        rows: [],
+                                        n: null
+                                };
+                        }
+                        os[ o[i] ].rows.push( i );
+                }
+
+                for ( i in ns ) {
+                        if ( hasOwn.call( ns, i ) ) {
+                                if ( ns[i].rows.length === 1 && hasOwn.call( os, i ) && os[i].rows.length === 1 ) {
+                                        n[ ns[i].rows[0] ] = {
+                                                text: n[ ns[i].rows[0] ],
+                                                row: os[i].rows[0]
+                                        };
+                                        o[ os[i].rows[0] ] = {
+                                                text: o[ os[i].rows[0] ],
+                                                row: ns[i].rows[0]
+                                        };
+                                }
+                        }
+                }
+
+                for ( i = 0; i < n.length - 1; i++ ) {
+                        if ( n[i].text != null && n[ i + 1 ].text == null && n[i].row + 1 < o.length && o[ n[i].row + 1 ].text == null &&
+                                                n[ i + 1 ] == o[ n[i].row + 1 ] ) {
+
+                                n[ i + 1 ] = {
+                                        text: n[ i + 1 ],
+                                        row: n[i].row + 1
+                                };
+                                o[ n[i].row + 1 ] = {
+                                        text: o[ n[i].row + 1 ],
+                                        row: i + 1
+                                };
+                        }
+                }
+
+                for ( i = n.length - 1; i > 0; i-- ) {
+                        if ( n[i].text != null && n[ i - 1 ].text == null && n[i].row > 0 && o[ n[i].row - 1 ].text == null &&
+                                                n[ i - 1 ] == o[ n[i].row - 1 ]) {
+
+                                n[ i - 1 ] = {
+                                        text: n[ i - 1 ],
+                                        row: n[i].row - 1
+                                };
+                                o[ n[i].row - 1 ] = {
+                                        text: o[ n[i].row - 1 ],
+                                        row: i - 1
+                                };
+                        }
+                }
+
+                return {
+                        o: o,
+                        n: n
+                };
+        }
+
+        return function( o, n ) {
+                o = o.replace( /\s+$/, "" );
+                n = n.replace( /\s+$/, "" );
+
+                var i, pre,
+                        str = "",
+                        out = diff( o === "" ? [] : o.split(/\s+/), n === "" ? [] : n.split(/\s+/) ),
+                        oSpace = o.match(/\s+/g),
+                        nSpace = n.match(/\s+/g);
+
+                if ( oSpace == null ) {
+                        oSpace = [ " " ];
+                }
+                else {
+                        oSpace.push( " " );
+                }
+
+                if ( nSpace == null ) {
+                        nSpace = [ " " ];
+                }
+                else {
+                        nSpace.push( " " );
+                }
+
+                if ( out.n.length === 0 ) {
+                        for ( i = 0; i < out.o.length; i++ ) {
+                                str += "<del>" + out.o[i] + oSpace[i] + "</del>";
+                        }
+                }
+                else {
+                        if ( out.n[0].text == null ) {
+                                for ( n = 0; n < out.o.length && out.o[n].text == null; n++ ) {
+                                        str += "<del>" + out.o[n] + oSpace[n] + "</del>";
+                                }
+                        }
+
+                        for ( i = 0; i < out.n.length; i++ ) {
+                                if (out.n[i].text == null) {
+                                        str += "<ins>" + out.n[i] + nSpace[i] + "</ins>";
+                                }
+                                else {
+                                        // `pre` initialized at top of scope
+                                        pre = "";
+
+                                        for ( n = out.n[i].row + 1; n < out.o.length && out.o[n].text == null; n++ ) {
+                                                pre += "<del>" + out.o[n] + oSpace[n] + "</del>";
+                                        }
+                                        str += " " + out.n[i].text + nSpace[i] + pre;
+                                }
+                        }
+                }
+
+                return str;
+        };
+}());
+
+// for CommonJS environments, export everything
+if ( typeof exports !== "undefined" ) {
+        extend( exports, QUnit.constructor.prototype );
+}
+
+// get at whatever the global object is, like window in browsers
+}( (function() {return this;}.call()) ));