/**
 * QUnit v1.11.0 - A JavaScript Unit Testing Framework
 *
 * http://qunitjs.com
 *
 * Copyright 2012 jQuery Foundation and other contributors
 * Released under the MIT license.
 * http://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,
        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 (this.module !== config.previousModule) {
                if (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
                });
            } else if (config.autorun) {
                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
            });

            // allow utility functions to access the current test environment
            // TODO why??
            QUnit.current_testEnvironment = this.testEnvironment;

            if (!config.pollution) {
                saveGlobal();
            }
            if (config.notrycatch) {
                this.testEnvironment.setup.call(this.testEnvironment);
                return;
            }
            try {
                this.testEnvironment.setup.call(this.testEnvironment);
            } 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);
                return;
            } else {
                try {
                    this.testEnvironment.teardown.call(this.testEnvironment);
                } 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 gurantee 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) {
                window.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 = window.setTimeout(function () {
                    QUnit.ok(false, "Test timed out");
                    config.semaphore = 1;
                    QUnit.start();
                }, config.testTimeout);
            }
        }
    };

// `assert` initialized at top of scope
// Asssert 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;

            var source,
                details = {
                    module: config.current.module,
                    name: config.current.testName,
                    result: result,
                    message: msg
                };

            msg = escapeText(msg || (result ? "okay" : "failed" ));
            msg = "<span class='test-message'>" + 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.');
            }
        }
    };

    /**
     * @deprecate 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);

        // 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.
        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)) {
                    continue;
                }
                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
        // 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,
            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>";
        }

        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 in config.modules) {
            if (config.modules.hasOwnProperty(i)) {
                numModules += 1;
                moduleFilterHtml += "<option value='" + escapeText(encodeURIComponent(i)) + "' " +
                    ( config.module === i ? "selected='selected'" : "" ) +
                    ">" + escapeText(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 assertons 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});
                });
                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 surpress 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 surpressed.
        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
            });
        }

        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 âœ– for good, âœ” 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 {
                window.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) {
                // in Opera sometimes DOM element ids show up here, ignore them
                if (!hasOwn.call(window, key) || /^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 (b[prop] === undefined) {
                delete a[prop];

                // Avoid "Member not found" error in IE8 caused by setting window.constructor
            } else if (prop !== "constructor" || a !== window) {
                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 neccecarily
        elem.className = window.jQuery ? jQuery.trim(set) : ( set.trim ? set.trim() : set );
    }

    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 RathÃ© <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 = [],

            getProto = Object.getPrototypeOf || function (obj) {
                    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 annotaion 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 modifers
                            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;

                        // 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);
                        for (i = 0; i < len; i++) {
                            loop = false;
                            for (j = 0; j < parents.length; j++) {
                                if (parents[j] === a[i]) {
                                    loop = true;// dont rewalk array
                                }
                            }
                            if (!loop && !innerEquiv(a[i], b[i])) {
                                parents.pop();
                                return false;
                            }
                        }
                        parents.pop();
                        return true;
                    },

                    "object": function (b, a) {
                        var i, j, loop,
                            // 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);

                        for (i in a) { // be strict: don't ensures hasOwnProperty
                            // and go deep
                            loop = false;
                            for (j = 0; j < parents.length; j++) {
                                if (parents[j] === a[i]) {
                                    // don't go down the same path twice
                                    loop = true;
                                }
                            }
                            aProperties.push(i); // collect a's properties

                            if (!loop && !innerEquiv(a[i], b[i])) {
                                eq = false;
                                break;
                            }
                        }

                        callers.pop(); // unstack, we are done
                        parents.pop();

                        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]) && arguments.callee.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) {
                        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)) {
                    continue;
                }
                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 enviroments, export everything
    if (typeof exports !== "undefined") {
        extend(exports, QUnit);
    }

// get at whatever the global object is, like window in browsers
}((function () {
    return this;
}.call())));
