/**

* 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><code>" + escapeText( source ) + "</code></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><code>" + expected + "</code></td></tr>";

                if ( actual !== expected ) {
                        output += "<tr class='test-actual'><th>Result: </th><td><code>" + actual + "</code></td></tr>";
                        output += "<tr class='test-diff'><th>Diff: </th><td><code>" + QUnit.diff( expected, actual ) + "</code></td></tr>";
                }

                source = sourceFromStacktrace();

                if ( source ) {
                        details.source = source;
                        output += "<tr class='test-source'><th>Source: </th><td><code>" + escapeText( source ) + "</code></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><code>" + escapeText( actual ) + "</code></td></tr>";
        }

        if ( source ) {
                details.source = source;
                output += "<tr class='test-source'><th>Source: </th><td><code>" + escapeText( source ) + "</code></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 ✖ 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 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 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 = [],

        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()) ));