devtools/data/qunit.js
changeset 11057 0b59724cb3f2
parent 11052 058bb3dc685f
child 11058 23eb30449fe5
--- a/devtools/data/qunit.js	Mon Jan 04 18:40:30 2016 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,3828 +0,0 @@
-/*!
- * QUnit 1.18.0
- * http://qunitjs.com/
- *
- * Copyright jQuery Foundation and other contributors
- * Released under the MIT license
- * http://jquery.org/license
- *
- * Date: 2015-04-03T10:23Z
- */
-
-(function( window ) {
-
-var QUnit,
-	config,
-	onErrorFnPrev,
-	loggingCallbacks = {},
-	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,
-	now = Date.now || function() {
-		return new Date().getTime();
-	},
-	globalStartCalled = false,
-	runStarted = false,
-	setTimeout = window.setTimeout,
-	clearTimeout = window.clearTimeout,
-	defined = {
-		document: window.document !== undefined,
-		setTimeout: 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 ) {
-		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;
-	};
-
-QUnit = {};
-
-/**
- * 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,
-
-	// 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,
-
-	// by default, scroll to top of the page when suite is done
-	scrolltop: true,
-
-	// when enabled, all tests must call expect()
-	requireExpects: false,
-
-	// depth up-to which object will be dumped
-	maxDepth: 5,
-
-	// add checkboxes that are persisted in the query-string
-	// when enabled, the id is set to `true` as a `QUnit.config` property
-	urlConfig: [
-		{
-			id: "hidepassed",
-			label: "Hide passed tests",
-			tooltip: "Only show tests and assertions that fail. Stored as query-strings."
-		},
-		{
-			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: [],
-
-	// The first unnamed module
-	currentModule: {
-		name: "",
-		tests: []
-	},
-
-	callbacks: {}
-};
-
-// Push a loose unnamed module to the modules collection
-config.modules.push( config.currentModule );
-
-// Initialize more QUnit.config and QUnit.urlParams
-(function() {
-	var i, current,
-		location = window.location || { search: "", protocol: "file:" },
-		params = location.search.slice( 1 ).split( "&" ),
-		length = params.length,
-		urlParams = {};
-
-	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;
-			if ( urlParams[ current[ 0 ] ] ) {
-				urlParams[ current[ 0 ] ] = [].concat( urlParams[ current[ 0 ] ], current[ 1 ] );
-			} else {
-				urlParams[ current[ 0 ] ] = current[ 1 ];
-			}
-		}
-	}
-
-	if ( urlParams.filter === true ) {
-		delete urlParams.filter;
-	}
-
-	QUnit.urlParams = urlParams;
-
-	// String search anywhere in moduleName+testName
-	config.filter = urlParams.filter;
-
-	if ( urlParams.maxDepth ) {
-		config.maxDepth = parseInt( urlParams.maxDepth, 10 ) === -1 ?
-			Number.POSITIVE_INFINITY :
-			urlParams.maxDepth;
-	}
-
-	config.testId = [];
-	if ( urlParams.testId ) {
-
-		// Ensure that urlParams.testId is an array
-		urlParams.testId = decodeURIComponent( urlParams.testId ).split( "," );
-		for ( i = 0; i < urlParams.testId.length; i++ ) {
-			config.testId.push( urlParams.testId[ i ] );
-		}
-	}
-
-	// Figure out if we're running the tests from a server or not
-	QUnit.isLocal = location.protocol === "file:";
-
-	// Expose the current QUnit version
-	QUnit.version = "1.18.0";
-}());
-
-// Root QUnit object.
-// `QUnit` initialized at top of scope
-extend( QUnit, {
-
-	// call on start of module test to prepend name to all tests
-	module: function( name, testEnvironment ) {
-		var currentModule = {
-			name: name,
-			testEnvironment: testEnvironment,
-			tests: []
-		};
-
-		// DEPRECATED: handles setup/teardown functions,
-		// beforeEach and afterEach should be used instead
-		if ( testEnvironment && testEnvironment.setup ) {
-			testEnvironment.beforeEach = testEnvironment.setup;
-			delete testEnvironment.setup;
-		}
-		if ( testEnvironment && testEnvironment.teardown ) {
-			testEnvironment.afterEach = testEnvironment.teardown;
-			delete testEnvironment.teardown;
-		}
-
-		config.modules.push( currentModule );
-		config.currentModule = currentModule;
-	},
-
-	// DEPRECATED: QUnit.asyncTest() will be removed in QUnit 2.0.
-	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;
-
-		if ( arguments.length === 2 ) {
-			callback = expected;
-			expected = null;
-		}
-
-		test = new Test({
-			testName: testName,
-			expected: expected,
-			async: async,
-			callback: callback
-		});
-
-		test.queue();
-	},
-
-	skip: function( testName ) {
-		var test = new Test({
-			testName: testName,
-			skip: true
-		});
-
-		test.queue();
-	},
-
-	// DEPRECATED: The functionality of QUnit.start() will be altered in QUnit 2.0.
-	// In QUnit 2.0, invoking it will ONLY affect the `QUnit.config.autostart` blocking behavior.
-	start: function( count ) {
-		var globalStartAlreadyCalled = globalStartCalled;
-
-		if ( !config.current ) {
-			globalStartCalled = true;
-
-			if ( runStarted ) {
-				throw new Error( "Called start() outside of a test context while already started" );
-			} else if ( globalStartAlreadyCalled || count > 1 ) {
-				throw new Error( "Called start() outside of a test context too many times" );
-			} else if ( config.autostart ) {
-				throw new Error( "Called start() outside of a test context when " +
-					"QUnit.config.autostart was true" );
-			} else if ( !config.pageLoaded ) {
-
-				// The page isn't completely loaded yet, so bail out and let `QUnit.load` handle it
-				config.autostart = true;
-				return;
-			}
-		} else {
-
-			// If a test is running, adjust its semaphore
-			config.current.semaphore -= count || 1;
-
-			// Don't start until equal number of stop-calls
-			if ( config.current.semaphore > 0 ) {
-				return;
-			}
-
-			// throw an Error if start is called more often than stop
-			if ( config.current.semaphore < 0 ) {
-				config.current.semaphore = 0;
-
-				QUnit.pushFailure(
-					"Called start() while already started (test's semaphore was 0 already)",
-					sourceFromStacktrace( 2 )
-				);
-				return;
-			}
-		}
-
-		resumeProcessing();
-	},
-
-	// DEPRECATED: QUnit.stop() will be removed in QUnit 2.0.
-	stop: function( count ) {
-
-		// If there isn't a test running, don't allow QUnit.stop() to be called
-		if ( !config.current ) {
-			throw new Error( "Called stop() outside of a test context" );
-		}
-
-		// If a test is running, adjust its semaphore
-		config.current.semaphore += count || 1;
-
-		pauseProcessing();
-	},
-
-	config: config,
-
-	// 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;
-	},
-
-	extend: extend,
-
-	load: function() {
-		config.pageLoaded = true;
-
-		// Initialize the configuration options
-		extend( config, {
-			stats: { all: 0, bad: 0 },
-			moduleStats: { all: 0, bad: 0 },
-			started: 0,
-			updateRate: 1000,
-			autostart: true,
-			filter: ""
-		}, true );
-
-		config.blocking = false;
-
-		if ( config.autostart ) {
-			resumeProcessing();
-		}
-	}
-});
-
-// Register logging callbacks
-(function() {
-	var i, l, key,
-		callbacks = [ "begin", "done", "log", "testStart", "testDone",
-			"moduleStart", "moduleDone" ];
-
-	function registerLoggingCallback( key ) {
-		var loggingCallback = function( callback ) {
-			if ( QUnit.objectType( callback ) !== "function" ) {
-				throw new Error(
-					"QUnit logging methods require a callback function as their first parameters."
-				);
-			}
-
-			config.callbacks[ key ].push( callback );
-		};
-
-		// DEPRECATED: This will be removed on QUnit 2.0.0+
-		// Stores the registered functions allowing restoring
-		// at verifyLoggingCallbacks() if modified
-		loggingCallbacks[ key ] = loggingCallback;
-
-		return loggingCallback;
-	}
-
-	for ( i = 0, l = callbacks.length; i < l; i++ ) {
-		key = callbacks[ i ];
-
-		// Initialize key collection of logging callback
-		if ( QUnit.objectType( config.callbacks[ key ] ) === "undefined" ) {
-			config.callbacks[ key ] = [];
-		}
-
-		QUnit[ key ] = registerLoggingCallback( key );
-	}
-})();
-
-// `onErrorFnPrev` initialized at top of scope
-// Preserve other handlers
-onErrorFnPrev = window.onerror;
-
-// Cover uncaught exceptions
-// Returning true will suppress the default browser handler,
-// returning false will let it run.
-window.onerror = function( error, filePath, linerNr ) {
-	var ret = false;
-	if ( onErrorFnPrev ) {
-		ret = onErrorFnPrev( error, filePath, linerNr );
-	}
-
-	// Treat return value as window.onerror itself does,
-	// Only do our handling if not suppressed.
-	if ( ret !== true ) {
-		if ( QUnit.config.current ) {
-			if ( QUnit.config.current.ignoreGlobalErrors ) {
-				return true;
-			}
-			QUnit.pushFailure( error, filePath + ":" + linerNr );
-		} else {
-			QUnit.test( "global failure", extend(function() {
-				QUnit.pushFailure( error, filePath + ":" + linerNr );
-			}, { validTest: true } ) );
-		}
-		return false;
-	}
-
-	return ret;
-};
-
-function done() {
-	var runtime, passed;
-
-	config.autorun = true;
-
-	// Log the last module results
-	if ( config.previousModule ) {
-		runLoggingCallbacks( "moduleDone", {
-			name: config.previousModule.name,
-			tests: config.previousModule.tests,
-			failed: config.moduleStats.bad,
-			passed: config.moduleStats.all - config.moduleStats.bad,
-			total: config.moduleStats.all,
-			runtime: now() - config.moduleStats.started
-		});
-	}
-	delete config.previousModule;
-
-	runtime = now() - config.started;
-	passed = config.stats.all - config.stats.bad;
-
-	runLoggingCallbacks( "done", {
-		failed: config.stats.bad,
-		passed: passed,
-		total: config.stats.all,
-		runtime: runtime
-	});
-}
-
-// Doesn't support IE6 to IE9, it will return undefined on these browsers
-// See also https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Error/Stack
-function extractStacktrace( e, offset ) {
-	offset = offset === undefined ? 4 : offset;
-
-	var stack, include, i;
-
-	if ( e.stack ) {
-		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 ];
-
-	// Support: Safari <=6 only
-	} else if ( e.sourceURL ) {
-
-		// 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 ) {
-	var error = new Error();
-
-	// Support: Safari <=7 only, IE <=10 - 11 only
-	// Not all browsers generate the `stack` property for `new Error()`, see also #636
-	if ( !error.stack ) {
-		try {
-			throw error;
-		} catch ( err ) {
-			error = err;
-		}
-	}
-
-	return extractStacktrace( error, offset );
-}
-
-function synchronize( callback, last ) {
-	if ( QUnit.objectType( callback ) === "array" ) {
-		while ( callback.length ) {
-			synchronize( callback.shift() );
-		}
-		return;
-	}
-	config.queue.push( callback );
-
-	if ( config.autorun && !config.blocking ) {
-		process( last );
-	}
-}
-
-function process( last ) {
-	function next() {
-		process( last );
-	}
-	var start = now();
-	config.depth = ( config.depth || 0 ) + 1;
-
-	while ( config.queue.length && !config.blocking ) {
-		if ( !defined.setTimeout || config.updateRate <= 0 ||
-				( ( now() - start ) < config.updateRate ) ) {
-			if ( config.current ) {
-
-				// Reset async tracking for each phase of the Test lifecycle
-				config.current.usedAsync = false;
-			}
-			config.queue.shift()();
-		} else {
-			setTimeout( next, 13 );
-			break;
-		}
-	}
-	config.depth--;
-	if ( last && !config.blocking && !config.queue.length && config.depth === 0 ) {
-		done();
-	}
-}
-
-function begin() {
-	var i, l,
-		modulesLog = [];
-
-	// If the test run hasn't officially begun yet
-	if ( !config.started ) {
-
-		// Record the time of the test run's beginning
-		config.started = now();
-
-		verifyLoggingCallbacks();
-
-		// Delete the loose unnamed module if unused.
-		if ( config.modules[ 0 ].name === "" && config.modules[ 0 ].tests.length === 0 ) {
-			config.modules.shift();
-		}
-
-		// Avoid unnecessary information by not logging modules' test environments
-		for ( i = 0, l = config.modules.length; i < l; i++ ) {
-			modulesLog.push({
-				name: config.modules[ i ].name,
-				tests: config.modules[ i ].tests
-			});
-		}
-
-		// The test run is officially beginning now
-		runLoggingCallbacks( "begin", {
-			totalTests: Test.count,
-			modules: modulesLog
-		});
-	}
-
-	config.blocking = false;
-	process( true );
-}
-
-function resumeProcessing() {
-	runStarted = true;
-
-	// A slight delay to allow this iteration of the event loop to finish (more assertions, etc.)
-	if ( defined.setTimeout ) {
-		setTimeout(function() {
-			if ( config.current && config.current.semaphore > 0 ) {
-				return;
-			}
-			if ( config.timeout ) {
-				clearTimeout( config.timeout );
-			}
-
-			begin();
-		}, 13 );
-	} else {
-		begin();
-	}
-}
-
-function pauseProcessing() {
-	config.blocking = true;
-
-	if ( config.testTimeout && defined.setTimeout ) {
-		clearTimeout( config.timeout );
-		config.timeout = setTimeout(function() {
-			if ( config.current ) {
-				config.current.semaphore = 0;
-				QUnit.pushFailure( "Test timed out", sourceFromStacktrace( 2 ) );
-			} else {
-				throw new Error( "Test timed out" );
-			}
-			resumeProcessing();
-		}, config.testTimeout );
-	}
-}
-
-function saveGlobal() {
-	config.pollution = [];
-
-	if ( config.noglobals ) {
-		for ( var key in window ) {
-			if ( hasOwn.call( window, key ) ) {
-				// in Opera sometimes DOM element ids show up here, ignore them
-				if ( /^qunit-test-output/.test( key ) ) {
-					continue;
-				}
-				config.pollution.push( key );
-			}
-		}
-	}
-}
-
-function checkPollution() {
-	var newGlobals,
-		deletedGlobals,
-		old = config.pollution;
-
-	saveGlobal();
-
-	newGlobals = diff( config.pollution, old );
-	if ( newGlobals.length > 0 ) {
-		QUnit.pushFailure( "Introduced global variable(s): " + newGlobals.join( ", " ) );
-	}
-
-	deletedGlobals = diff( old, config.pollution );
-	if ( deletedGlobals.length > 0 ) {
-		QUnit.pushFailure( "Deleted global variable(s): " + deletedGlobals.join( ", " ) );
-	}
-}
-
-// returns a new Array with the elements that are in a but not in b
-function diff( a, b ) {
-	var i, j,
-		result = a.slice();
-
-	for ( i = 0; i < result.length; i++ ) {
-		for ( j = 0; j < b.length; j++ ) {
-			if ( result[ i ] === b[ j ] ) {
-				result.splice( i, 1 );
-				i--;
-				break;
-			}
-		}
-	}
-	return result;
-}
-
-function extend( a, b, undefOnly ) {
-	for ( var prop in b ) {
-		if ( hasOwn.call( b, prop ) ) {
-
-			// Avoid "Member not found" error in IE8 caused by messing with window.constructor
-			if ( !( prop === "constructor" && a === window ) ) {
-				if ( b[ prop ] === undefined ) {
-					delete a[ prop ];
-				} else if ( !( undefOnly && typeof a[ prop ] !== "undefined" ) ) {
-					a[ prop ] = b[ prop ];
-				}
-			}
-		}
-	}
-
-	return a;
-}
-
-function runLoggingCallbacks( key, args ) {
-	var i, l, callbacks;
-
-	callbacks = config.callbacks[ key ];
-	for ( i = 0, l = callbacks.length; i < l; i++ ) {
-		callbacks[ i ]( args );
-	}
-}
-
-// DEPRECATED: This will be removed on 2.0.0+
-// This function verifies if the loggingCallbacks were modified by the user
-// If so, it will restore it, assign the given callback and print a console warning
-function verifyLoggingCallbacks() {
-	var loggingCallback, userCallback;
-
-	for ( loggingCallback in loggingCallbacks ) {
-		if ( QUnit[ loggingCallback ] !== loggingCallbacks[ loggingCallback ] ) {
-
-			userCallback = QUnit[ loggingCallback ];
-
-			// Restore the callback function
-			QUnit[ loggingCallback ] = loggingCallbacks[ loggingCallback ];
-
-			// Assign the deprecated given callback
-			QUnit[ loggingCallback ]( userCallback );
-
-			if ( window.console && window.console.warn ) {
-				window.console.warn(
-					"QUnit." + loggingCallback + " was replaced with a new value.\n" +
-					"Please, check out the documentation on how to apply logging callbacks.\n" +
-					"Reference: http://api.qunitjs.com/category/callbacks/"
-				);
-			}
-		}
-	}
-}
-
-// 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;
-}
-
-function Test( settings ) {
-	var i, l;
-
-	++Test.count;
-
-	extend( this, settings );
-	this.assertions = [];
-	this.semaphore = 0;
-	this.usedAsync = false;
-	this.module = config.currentModule;
-	this.stack = sourceFromStacktrace( 3 );
-
-	// Register unique strings
-	for ( i = 0, l = this.module.tests; i < l.length; i++ ) {
-		if ( this.module.tests[ i ].name === this.testName ) {
-			this.testName += " ";
-		}
-	}
-
-	this.testId = generateHash( this.module.name, this.testName );
-
-	this.module.tests.push({
-		name: this.testName,
-		testId: this.testId
-	});
-
-	if ( settings.skip ) {
-
-		// Skipped tests will fully ignore any sent callback
-		this.callback = function() {};
-		this.async = false;
-		this.expected = 0;
-	} else {
-		this.assert = new Assert( this );
-	}
-}
-
-Test.count = 0;
-
-Test.prototype = {
-	before: function() {
-		if (
-
-			// Emit moduleStart when we're switching from one module to another
-			this.module !== config.previousModule ||
-
-				// They could be equal (both undefined) but if the previousModule property doesn't
-				// yet exist it means this is the first test in a suite that isn't wrapped in a
-				// module, in which case we'll just emit a moduleStart event for 'undefined'.
-				// Without this, reporters can get testStart before moduleStart  which is a problem.
-				!hasOwn.call( config, "previousModule" )
-		) {
-			if ( hasOwn.call( config, "previousModule" ) ) {
-				runLoggingCallbacks( "moduleDone", {
-					name: config.previousModule.name,
-					tests: config.previousModule.tests,
-					failed: config.moduleStats.bad,
-					passed: config.moduleStats.all - config.moduleStats.bad,
-					total: config.moduleStats.all,
-					runtime: now() - config.moduleStats.started
-				});
-			}
-			config.previousModule = this.module;
-			config.moduleStats = { all: 0, bad: 0, started: now() };
-			runLoggingCallbacks( "moduleStart", {
-				name: this.module.name,
-				tests: this.module.tests
-			});
-		}
-
-		config.current = this;
-
-		this.testEnvironment = extend( {}, this.module.testEnvironment );
-		delete this.testEnvironment.beforeEach;
-		delete this.testEnvironment.afterEach;
-
-		this.started = now();
-		runLoggingCallbacks( "testStart", {
-			name: this.testName,
-			module: this.module.name,
-			testId: this.testId
-		});
-
-		if ( !config.pollution ) {
-			saveGlobal();
-		}
-	},
-
-	run: function() {
-		var promise;
-
-		config.current = this;
-
-		if ( this.async ) {
-			QUnit.stop();
-		}
-
-		this.callbackStarted = now();
-
-		if ( config.notrycatch ) {
-			promise = this.callback.call( this.testEnvironment, this.assert );
-			this.resolvePromise( promise );
-			return;
-		}
-
-		try {
-			promise = this.callback.call( this.testEnvironment, this.assert );
-			this.resolvePromise( promise );
-		} catch ( e ) {
-			this.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();
-			}
-		}
-	},
-
-	after: function() {
-		checkPollution();
-	},
-
-	queueHook: function( hook, hookName ) {
-		var promise,
-			test = this;
-		return function runHook() {
-			config.current = test;
-			if ( config.notrycatch ) {
-				promise = hook.call( test.testEnvironment, test.assert );
-				test.resolvePromise( promise, hookName );
-				return;
-			}
-			try {
-				promise = hook.call( test.testEnvironment, test.assert );
-				test.resolvePromise( promise, hookName );
-			} catch ( error ) {
-				test.pushFailure( hookName + " failed on " + test.testName + ": " +
-					( error.message || error ), extractStacktrace( error, 0 ) );
-			}
-		};
-	},
-
-	// Currently only used for module level hooks, can be used to add global level ones
-	hooks: function( handler ) {
-		var hooks = [];
-
-		// Hooks are ignored on skipped tests
-		if ( this.skip ) {
-			return hooks;
-		}
-
-		if ( this.module.testEnvironment &&
-				QUnit.objectType( this.module.testEnvironment[ handler ] ) === "function" ) {
-			hooks.push( this.queueHook( this.module.testEnvironment[ handler ], handler ) );
-		}
-
-		return hooks;
-	},
-
-	finish: function() {
-		config.current = this;
-		if ( config.requireExpects && this.expected === null ) {
-			this.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 ) {
-			this.pushFailure( "Expected " + this.expected + " assertions, but " +
-				this.assertions.length + " were run", this.stack );
-		} else if ( this.expected === null && !this.assertions.length ) {
-			this.pushFailure( "Expected at least one assertion, but none were run - call " +
-				"expect(0) to accept zero assertions.", this.stack );
-		}
-
-		var i,
-			bad = 0;
-
-		this.runtime = now() - this.started;
-		config.stats.all += this.assertions.length;
-		config.moduleStats.all += this.assertions.length;
-
-		for ( i = 0; i < this.assertions.length; i++ ) {
-			if ( !this.assertions[ i ].result ) {
-				bad++;
-				config.stats.bad++;
-				config.moduleStats.bad++;
-			}
-		}
-
-		runLoggingCallbacks( "testDone", {
-			name: this.testName,
-			module: this.module.name,
-			skipped: !!this.skip,
-			failed: bad,
-			passed: this.assertions.length - bad,
-			total: this.assertions.length,
-			runtime: this.runtime,
-
-			// HTML Reporter use
-			assertions: this.assertions,
-			testId: this.testId,
-
-			// DEPRECATED: this property will be removed in 2.0.0, use runtime instead
-			duration: this.runtime
-		});
-
-		// QUnit.reset() is deprecated and will be replaced for a new
-		// fixture reset function on QUnit 2.0/2.1.
-		// It's still called here for backwards compatibility handling
-		QUnit.reset();
-
-		config.current = undefined;
-	},
-
-	queue: function() {
-		var bad,
-			test = this;
-
-		if ( !this.valid() ) {
-			return;
-		}
-
-		function run() {
-
-			// each of these can by async
-			synchronize([
-				function() {
-					test.before();
-				},
-
-				test.hooks( "beforeEach" ),
-
-				function() {
-					test.run();
-				},
-
-				test.hooks( "afterEach" ).reverse(),
-
-				function() {
-					test.after();
-				},
-				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.name + "-" + this.testName );
-
-		if ( bad ) {
-			run();
-		} else {
-			synchronize( run, true );
-		}
-	},
-
-	push: function( result, actual, expected, message ) {
-		var source,
-			details = {
-				module: this.module.name,
-				name: this.testName,
-				result: result,
-				message: message,
-				actual: actual,
-				expected: expected,
-				testId: this.testId,
-				runtime: now() - this.started
-			};
-
-		if ( !result ) {
-			source = sourceFromStacktrace();
-
-			if ( source ) {
-				details.source = source;
-			}
-		}
-
-		runLoggingCallbacks( "log", details );
-
-		this.assertions.push({
-			result: !!result,
-			message: message
-		});
-	},
-
-	pushFailure: function( message, source, actual ) {
-		if ( !this instanceof Test ) {
-			throw new Error( "pushFailure() assertion outside test context, was " +
-				sourceFromStacktrace( 2 ) );
-		}
-
-		var details = {
-				module: this.module.name,
-				name: this.testName,
-				result: false,
-				message: message || "error",
-				actual: actual || null,
-				testId: this.testId,
-				runtime: now() - this.started
-			};
-
-		if ( source ) {
-			details.source = source;
-		}
-
-		runLoggingCallbacks( "log", details );
-
-		this.assertions.push({
-			result: false,
-			message: message
-		});
-	},
-
-	resolvePromise: function( promise, phase ) {
-		var then, message,
-			test = this;
-		if ( promise != null ) {
-			then = promise.then;
-			if ( QUnit.objectType( then ) === "function" ) {
-				QUnit.stop();
-				then.call(
-					promise,
-					QUnit.start,
-					function( error ) {
-						message = "Promise rejected " +
-							( !phase ? "during" : phase.replace( /Each$/, "" ) ) +
-							" " + test.testName + ": " + ( error.message || error );
-						test.pushFailure( message, extractStacktrace( error, 0 ) );
-
-						// else next test will carry the responsibility
-						saveGlobal();
-
-						// Unblock
-						QUnit.start();
-					}
-				);
-			}
-		}
-	},
-
-	valid: function() {
-		var include,
-			filter = config.filter && config.filter.toLowerCase(),
-			module = QUnit.urlParams.module && QUnit.urlParams.module.toLowerCase(),
-			fullName = ( this.module.name + ": " + this.testName ).toLowerCase();
-
-		// Internally-generated tests are always valid
-		if ( this.callback && this.callback.validTest ) {
-			return true;
-		}
-
-		if ( config.testId.length > 0 && inArray( this.testId, config.testId ) < 0 ) {
-			return false;
-		}
-
-		if ( module && ( !this.module.name || this.module.name.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;
-	}
-
-};
-
-// Resets the test setup. Useful for tests that modify the DOM.
-/*
-DEPRECATED: Use multiple tests instead of resetting inside a test.
-Use testStart or testDone for custom cleanup.
-This method will throw an error in 2.0, and will be removed in 2.1
-*/
-QUnit.reset = function() {
-
-	// Return on non-browser environments
-	// This is necessary to not break on node tests
-	if ( typeof window === "undefined" ) {
-		return;
-	}
-
-	var fixture = defined.document && document.getElementById &&
-			document.getElementById( "qunit-fixture" );
-
-	if ( fixture ) {
-		fixture.innerHTML = config.fixture;
-	}
-};
-
-QUnit.pushFailure = function() {
-	if ( !QUnit.config.current ) {
-		throw new Error( "pushFailure() assertion outside test context, in " +
-			sourceFromStacktrace( 2 ) );
-	}
-
-	// Gets current test obj
-	var currentTest = QUnit.config.current;
-
-	return currentTest.pushFailure.apply( currentTest, arguments );
-};
-
-// Based on Java's String.hashCode, a simple but not
-// rigorously collision resistant hashing function
-function generateHash( module, testName ) {
-	var hex,
-		i = 0,
-		hash = 0,
-		str = module + "\x1C" + testName,
-		len = str.length;
-
-	for ( ; i < len; i++ ) {
-		hash  = ( ( hash << 5 ) - hash ) + str.charCodeAt( i );
-		hash |= 0;
-	}
-
-	// Convert the possibly negative integer hash code into an 8 character hex string, which isn't
-	// strictly necessary but increases user understanding that the id is a SHA-like hash
-	hex = ( 0x100000000 + hash ).toString( 16 );
-	if ( hex.length < 8 ) {
-		hex = "0000000" + hex;
-	}
-
-	return hex.slice( -8 );
-}
-
-function Assert( testContext ) {
-	this.test = testContext;
-}
-
-// Assert helpers
-QUnit.assert = Assert.prototype = {
-
-	// Specify the number of expected assertions to guarantee that failed test
-	// (no assertions are run at all) don't slip through.
-	expect: function( asserts ) {
-		if ( arguments.length === 1 ) {
-			this.test.expected = asserts;
-		} else {
-			return this.test.expected;
-		}
-	},
-
-	// Increment this Test's semaphore counter, then return a single-use function that
-	// decrements that counter a maximum of once.
-	async: function() {
-		var test = this.test,
-			popped = false;
-
-		test.semaphore += 1;
-		test.usedAsync = true;
-		pauseProcessing();
-
-		return function done() {
-			if ( !popped ) {
-				test.semaphore -= 1;
-				popped = true;
-				resumeProcessing();
-			} else {
-				test.pushFailure( "Called the callback returned from `assert.async` more than once",
-					sourceFromStacktrace( 2 ) );
-			}
-		};
-	},
-
-	// Exports test.push() to the user API
-	push: function( /* result, actual, expected, message */ ) {
-		var assert = this,
-			currentTest = ( assert instanceof Assert && assert.test ) || QUnit.config.current;
-
-		// Backwards compatibility fix.
-		// Allows the direct use of global exported assertions and QUnit.assert.*
-		// Although, it's use is not recommended as it can leak assertions
-		// to other tests from async tests, because we only get a reference to the current test,
-		// not exactly the test where assertion were intended to be called.
-		if ( !currentTest ) {
-			throw new Error( "assertion outside test context, in " + sourceFromStacktrace( 2 ) );
-		}
-
-		if ( currentTest.usedAsync === true && currentTest.semaphore === 0 ) {
-			currentTest.pushFailure( "Assertion after the final `assert.async` was resolved",
-				sourceFromStacktrace( 2 ) );
-
-			// Allow this assertion to continue running anyway...
-		}
-
-		if ( !( assert instanceof Assert ) ) {
-			assert = currentTest.assert;
-		}
-		return assert.test.push.apply( assert.test, arguments );
-	},
-
-	ok: function( result, message ) {
-		message = message || ( result ? "okay" : "failed, expected argument to be truthy, was: " +
-			QUnit.dump.parse( result ) );
-		this.push( !!result, result, true, message );
-	},
-
-	notOk: function( result, message ) {
-		message = message || ( !result ? "okay" : "failed, expected argument to be falsy, was: " +
-			QUnit.dump.parse( result ) );
-		this.push( !result, result, false, message );
-	},
-
-	equal: function( actual, expected, message ) {
-		/*jshint eqeqeq:false */
-		this.push( expected == actual, actual, expected, message );
-	},
-
-	notEqual: function( actual, expected, message ) {
-		/*jshint eqeqeq:false */
-		this.push( expected != actual, actual, expected, message );
-	},
-
-	propEqual: function( actual, expected, message ) {
-		actual = objectValues( actual );
-		expected = objectValues( expected );
-		this.push( QUnit.equiv( actual, expected ), actual, expected, message );
-	},
-
-	notPropEqual: function( actual, expected, message ) {
-		actual = objectValues( actual );
-		expected = objectValues( expected );
-		this.push( !QUnit.equiv( actual, expected ), actual, expected, message );
-	},
-
-	deepEqual: function( actual, expected, message ) {
-		this.push( QUnit.equiv( actual, expected ), actual, expected, message );
-	},
-
-	notDeepEqual: function( actual, expected, message ) {
-		this.push( !QUnit.equiv( actual, expected ), actual, expected, message );
-	},
-
-	strictEqual: function( actual, expected, message ) {
-		this.push( expected === actual, actual, expected, message );
-	},
-
-	notStrictEqual: function( actual, expected, message ) {
-		this.push( expected !== actual, actual, expected, message );
-	},
-
-	"throws": function( block, expected, message ) {
-		var actual, expectedType,
-			expectedOutput = expected,
-			ok = false,
-			currentTest = ( this instanceof Assert && this.test ) || QUnit.config.current;
-
-		// 'expected' is optional unless doing string comparison
-		if ( message == null && typeof expected === "string" ) {
-			message = expected;
-			expected = null;
-		}
-
-		currentTest.ignoreGlobalErrors = true;
-		try {
-			block.call( currentTest.testEnvironment );
-		} catch (e) {
-			actual = e;
-		}
-		currentTest.ignoreGlobalErrors = false;
-
-		if ( actual ) {
-			expectedType = QUnit.objectType( expected );
-
-			// we don't want to validate thrown error
-			if ( !expected ) {
-				ok = true;
-				expectedOutput = null;
-
-			// expected is a regexp
-			} else if ( expectedType === "regexp" ) {
-				ok = expected.test( errorString( actual ) );
-
-			// expected is a string
-			} else if ( expectedType === "string" ) {
-				ok = expected === errorString( actual );
-
-			// expected is a constructor, maybe an Error constructor
-			} else if ( expectedType === "function" && actual instanceof expected ) {
-				ok = true;
-
-			// expected is an Error object
-			} else if ( expectedType === "object" ) {
-				ok = actual instanceof expected.constructor &&
-					actual.name === expected.name &&
-					actual.message === expected.message;
-
-			// expected is a validation function which returns true if validation passed
-			} else if ( expectedType === "function" && expected.call( {}, actual ) === true ) {
-				expectedOutput = null;
-				ok = true;
-			}
-		}
-
-		currentTest.assert.push( ok, actual, expectedOutput, message );
-	}
-};
-
-// Provide an alternative to assert.throws(), for enviroments that consider throws a reserved word
-// Known to us are: Closure Compiler, Narwhal
-(function() {
-	/*jshint sub:true */
-	Assert.prototype.raises = Assert.prototype[ "throws" ];
-}());
-
-// Test for equality any JavaScript type.
-// Author: Philippe Rathé <prathe@gmail.com>
-QUnit.equiv = (function() {
-
-	// Call the o related callback with the given arguments.
-	function bindCallbacks( o, callbacks, args ) {
-		var prop = QUnit.objectType( o );
-		if ( prop ) {
-			if ( QUnit.objectType( callbacks[ prop ] ) === "function" ) {
-				return callbacks[ prop ].apply( callbacks, args );
-			} else {
-				return callbacks[ prop ]; // or undefined
-			}
-		}
-	}
-
-	// the real equiv function
-	var innerEquiv,
-
-		// stack to decide between skip/abort functions
-		callers = [],
-
-		// stack to avoiding loops from circular referencing
-		parents = [],
-		parentsB = [],
-
-		getProto = Object.getPrototypeOf || function( obj ) {
-			/* jshint camelcase: false, proto: true */
-			return obj.__proto__;
-		},
-		callbacks = (function() {
-
-			// for string, boolean, number and null
-			function useStrictEquality( b, a ) {
-
-				/*jshint eqeqeq:false */
-				if ( b instanceof a.constructor || a instanceof b.constructor ) {
-
-					// to catch short annotation VS 'new' annotation of a
-					// declaration
-					// e.g. var i = 1;
-					// var j = new Number(1);
-					return a == b;
-				} else {
-					return a === b;
-				}
-			}
-
-			return {
-				"string": useStrictEquality,
-				"boolean": useStrictEquality,
-				"number": useStrictEquality,
-				"null": useStrictEquality,
-				"undefined": useStrictEquality,
-
-				"nan": function( b ) {
-					return isNaN( b );
-				},
-
-				"date": function( b, a ) {
-					return QUnit.objectType( b ) === "date" && a.valueOf() === b.valueOf();
-				},
-
-				"regexp": function( b, a ) {
-					return QUnit.objectType( b ) === "regexp" &&
-
-						// the regex itself
-						a.source === b.source &&
-
-						// and its modifiers
-						a.global === b.global &&
-
-						// (gmi) ...
-						a.ignoreCase === b.ignoreCase &&
-						a.multiline === b.multiline &&
-						a.sticky === b.sticky;
-				},
-
-				// - skip when the property is a method of an instance (OOP)
-				// - abort otherwise,
-				// initial === would have catch identical references anyway
-				"function": function() {
-					var caller = callers[ callers.length - 1 ];
-					return caller !== Object && typeof caller !== "undefined";
-				},
-
-				"array": function( b, a ) {
-					var i, j, len, loop, aCircular, bCircular;
-
-					// b could be an object literal here
-					if ( QUnit.objectType( b ) !== "array" ) {
-						return false;
-					}
-
-					len = a.length;
-					if ( len !== b.length ) {
-						// safe and faster
-						return false;
-					}
-
-					// track reference to avoid circular references
-					parents.push( a );
-					parentsB.push( b );
-					for ( i = 0; i < len; i++ ) {
-						loop = false;
-						for ( j = 0; j < parents.length; j++ ) {
-							aCircular = parents[ j ] === a[ i ];
-							bCircular = parentsB[ j ] === b[ i ];
-							if ( aCircular || bCircular ) {
-								if ( a[ i ] === b[ i ] || aCircular && bCircular ) {
-									loop = true;
-								} else {
-									parents.pop();
-									parentsB.pop();
-									return false;
-								}
-							}
-						}
-						if ( !loop && !innerEquiv( a[ i ], b[ i ] ) ) {
-							parents.pop();
-							parentsB.pop();
-							return false;
-						}
-					}
-					parents.pop();
-					parentsB.pop();
-					return true;
-				},
-
-				"object": function( b, a ) {
-
-					/*jshint forin:false */
-					var i, j, loop, aCircular, bCircular,
-						// Default to true
-						eq = true,
-						aProperties = [],
-						bProperties = [];
-
-					// comparing constructors is more strict than using
-					// instanceof
-					if ( a.constructor !== b.constructor ) {
-
-						// Allow objects with no prototype to be equivalent to
-						// objects with Object as their constructor.
-						if ( !( ( getProto( a ) === null && getProto( b ) === Object.prototype ) ||
-							( getProto( b ) === null && getProto( a ) === Object.prototype ) ) ) {
-							return false;
-						}
-					}
-
-					// stack constructor before traversing properties
-					callers.push( a.constructor );
-
-					// track reference to avoid circular references
-					parents.push( a );
-					parentsB.push( b );
-
-					// be strict: don't ensure hasOwnProperty and go deep
-					for ( i in a ) {
-						loop = false;
-						for ( j = 0; j < parents.length; j++ ) {
-							aCircular = parents[ j ] === a[ i ];
-							bCircular = parentsB[ j ] === b[ i ];
-							if ( aCircular || bCircular ) {
-								if ( a[ i ] === b[ i ] || aCircular && bCircular ) {
-									loop = true;
-								} else {
-									eq = false;
-									break;
-								}
-							}
-						}
-						aProperties.push( i );
-						if ( !loop && !innerEquiv( a[ i ], b[ i ] ) ) {
-							eq = false;
-							break;
-						}
-					}
-
-					parents.pop();
-					parentsB.pop();
-					callers.pop(); // unstack, we are done
-
-					for ( i in b ) {
-						bProperties.push( i ); // collect b's properties
-					}
-
-					// Ensures identical properties name
-					return eq && innerEquiv( aProperties.sort(), bProperties.sort() );
-				}
-			};
-		}());
-
-	innerEquiv = function() { // can take multiple arguments
-		var args = [].slice.apply( arguments );
-		if ( args.length < 2 ) {
-			return true; // end transition
-		}
-
-		return ( (function( a, b ) {
-			if ( a === b ) {
-				return true; // catch the most you can
-			} else if ( a === null || b === null || typeof a === "undefined" ||
-					typeof b === "undefined" ||
-					QUnit.objectType( a ) !== QUnit.objectType( b ) ) {
-
-				// don't lose time with error prone cases
-				return false;
-			} else {
-				return bindCallbacks( a, callbacks, [ b, a ] );
-			}
-
-			// apply transition with (1..n) arguments
-		}( args[ 0 ], args[ 1 ] ) ) &&
-			innerEquiv.apply( this, args.splice( 1, args.length - 1 ) ) );
-	};
-
-	return innerEquiv;
-}());
-
-// Based on jsDump by Ariel Flesler
-// http://flesler.blogspot.com/2008/05/jsdump-pretty-dump-of-any-javascript.html
-QUnit.dump = (function() {
-	function quote( str ) {
-		return "\"" + str.toString().replace( /"/g, "\\\"" ) + "\"";
-	}
-	function literal( o ) {
-		return o + "";
-	}
-	function join( pre, arr, post ) {
-		var s = dump.separator(),
-			base = dump.indent(),
-			inner = dump.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 );
-
-		if ( dump.maxDepth && dump.depth > dump.maxDepth ) {
-			return "[object Array]";
-		}
-
-		this.up();
-		while ( i-- ) {
-			ret[ i ] = this.parse( arr[ i ], undefined, stack );
-		}
-		this.down();
-		return join( "[", ret, "]" );
-	}
-
-	var reName = /^function (\w+)/,
-		dump = {
-
-			// objType is used mostly internally, you can fix a (custom) type in advance
-			parse: function( obj, objType, stack ) {
-				stack = stack || [];
-				var res, parser, parserType,
-					inStack = inArray( obj, stack );
-
-				if ( inStack !== -1 ) {
-					return "recursion(" + ( inStack - stack.length ) + ")";
-				}
-
-				objType = objType || this.typeOf( obj  );
-				parser = this.parsers[ objType ];
-				parserType = typeof parser;
-
-				if ( parserType === "function" ) {
-					stack.push( obj );
-					res = parser.call( this, obj, stack );
-					stack.pop();
-					return res;
-				}
-				return ( parserType === "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 ( obj.setInterval !== undefined &&
-						obj.document !== undefined &&
-						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" && obj.item !== undefined &&
-					( obj.length ? obj.item( 0 ) === obj[ 0 ] : ( obj.item( 0 ) === null &&
-					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 ? "&#160;" : " ";
-			},
-			// 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, "&#160;" );
-				}
-				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,
-			maxDepth: QUnit.config.maxDepth,
-
-			// This is the list of parsers, to modify them, use dump.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, dump.parse( fn, "functionArgs" ), "){" ].join( "" );
-					return join( ret, dump.parse( fn, "functionCode" ), "}" );
-				},
-				array: array,
-				nodelist: array,
-				"arguments": array,
-				object: function( map, stack ) {
-					var keys, key, val, i, nonEnumerableProperties,
-						ret = [];
-
-					if ( dump.maxDepth && dump.depth > dump.maxDepth ) {
-						return "[object Object]";
-					}
-
-					dump.up();
-					keys = [];
-					for ( key in map ) {
-						keys.push( key );
-					}
-
-					// Some properties are not always enumerable on Error objects.
-					nonEnumerableProperties = [ "message", "name" ];
-					for ( i in nonEnumerableProperties ) {
-						key = nonEnumerableProperties[ i ];
-						if ( key in map && inArray( key, keys ) < 0 ) {
-							keys.push( key );
-						}
-					}
-					keys.sort();
-					for ( i = 0; i < keys.length; i++ ) {
-						key = keys[ i ];
-						val = map[ key ];
-						ret.push( dump.parse( key, "key" ) + ": " +
-							dump.parse( val, undefined, stack ) );
-					}
-					dump.down();
-					return join( "{", ret, "}" );
-				},
-				node: function( node ) {
-					var len, i, val,
-						open = dump.HTML ? "&lt;" : "<",
-						close = dump.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 + "=" +
-									dump.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 dump;
-}());
-
-// back compat
-QUnit.jsDump = QUnit.dump;
-
-// For browser, export only select globals
-if ( typeof window !== "undefined" ) {
-
-	// Deprecated
-	// Extend assert methods to QUnit and Global scope through Backwards compatibility
-	(function() {
-		var i,
-			assertions = Assert.prototype;
-
-		function applyCurrent( current ) {
-			return function() {
-				var assert = new Assert( QUnit.config.current );
-				current.apply( assert, arguments );
-			};
-		}
-
-		for ( i in assertions ) {
-			QUnit[ i ] = applyCurrent( assertions[ i ] );
-		}
-	})();
-
-	(function() {
-		var i, l,
-			keys = [
-				"test",
-				"module",
-				"expect",
-				"asyncTest",
-				"start",
-				"stop",
-				"ok",
-				"notOk",
-				"equal",
-				"notEqual",
-				"propEqual",
-				"notPropEqual",
-				"deepEqual",
-				"notDeepEqual",
-				"strictEqual",
-				"notStrictEqual",
-				"throws"
-			];
-
-		for ( i = 0, l = keys.length; i < l; i++ ) {
-			window[ keys[ i ] ] = QUnit[ keys[ i ] ];
-		}
-	})();
-
-	window.QUnit = QUnit;
-}
-
-// For nodejs
-if ( typeof module !== "undefined" && module && module.exports ) {
-	module.exports = QUnit;
-
-	// For consistency with CommonJS environments' exports
-	module.exports.QUnit = QUnit;
-}
-
-// For CommonJS with exports, but without module.exports, like Rhino
-if ( typeof exports !== "undefined" && exports ) {
-	exports.QUnit = QUnit;
-}
-
-if ( typeof define === "function" && define.amd ) {
-	define( function() {
-		return QUnit;
-	} );
-	QUnit.config.autostart = false;
-}
-
-// Get a reference to the global object, like window in browsers
-}( (function() {
-	return this;
-})() ));
-
-/*istanbul ignore next */
-// jscs:disable maximumLineLength
-/*
- * This file is a modified version of google-diff-match-patch's JavaScript implementation
- * (https://code.google.com/p/google-diff-match-patch/source/browse/trunk/javascript/diff_match_patch_uncompressed.js),
- * modifications are licensed as more fully set forth in LICENSE.txt.
- *
- * The original source of google-diff-match-patch is attributable and licensed as follows:
- *
- * Copyright 2006 Google Inc.
- * http://code.google.com/p/google-diff-match-patch/
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * More Info:
- *  https://code.google.com/p/google-diff-match-patch/
- *
- * Usage: QUnit.diff(expected, actual)
- *
- * QUnit.diff( "the quick brown fox jumped over", "the quick fox jumps over" ) === "the  quick <del>brown </del> fox jump<ins>s</ins><del>ed</del over"
- */
-QUnit.diff = (function() {
-
-    function DiffMatchPatch() {
-
-        // Defaults.
-        // Redefine these in your program to override the defaults.
-
-        // Number of seconds to map a diff before giving up (0 for infinity).
-        this.DiffTimeout = 1.0;
-        // Cost of an empty edit operation in terms of edit characters.
-        this.DiffEditCost = 4;
-    }
-
-    //  DIFF FUNCTIONS
-
-    /**
-     * The data structure representing a diff is an array of tuples:
-     * [[DIFF_DELETE, 'Hello'], [DIFF_INSERT, 'Goodbye'], [DIFF_EQUAL, ' world.']]
-     * which means: delete 'Hello', add 'Goodbye' and keep ' world.'
-     */
-    var DIFF_DELETE = -1,
-		DIFF_INSERT = 1,
-		DIFF_EQUAL = 0;
-
-    /**
-     * Find the differences between two texts.  Simplifies the problem by stripping
-     * any common prefix or suffix off the texts before diffing.
-     * @param {string} text1 Old string to be diffed.
-     * @param {string} text2 New string to be diffed.
-     * @param {boolean=} optChecklines Optional speedup flag. If present and false,
-     *     then don't run a line-level diff first to identify the changed areas.
-     *     Defaults to true, which does a faster, slightly less optimal diff.
-     * @param {number} optDeadline Optional time when the diff should be complete
-     *     by.  Used internally for recursive calls.  Users should set DiffTimeout
-     *     instead.
-     * @return {!Array.<!DiffMatchPatch.Diff>} Array of diff tuples.
-     */
-    DiffMatchPatch.prototype.DiffMain = function( text1, text2, optChecklines, optDeadline ) {
-        var deadline, checklines, commonlength,
-			commonprefix, commonsuffix, diffs;
-        // Set a deadline by which time the diff must be complete.
-        if ( typeof optDeadline === "undefined" ) {
-            if ( this.DiffTimeout <= 0 ) {
-                optDeadline = Number.MAX_VALUE;
-            } else {
-                optDeadline = ( new Date() ).getTime() + this.DiffTimeout * 1000;
-            }
-        }
-        deadline = optDeadline;
-
-        // Check for null inputs.
-        if ( text1 === null || text2 === null ) {
-            throw new Error( "Null input. (DiffMain)" );
-        }
-
-        // Check for equality (speedup).
-        if ( text1 === text2 ) {
-            if ( text1 ) {
-                return [
-                    [ DIFF_EQUAL, text1 ]
-                ];
-            }
-            return [];
-        }
-
-        if ( typeof optChecklines === "undefined" ) {
-            optChecklines = true;
-        }
-
-        checklines = optChecklines;
-
-        // Trim off common prefix (speedup).
-        commonlength = this.diffCommonPrefix( text1, text2 );
-        commonprefix = text1.substring( 0, commonlength );
-        text1 = text1.substring( commonlength );
-        text2 = text2.substring( commonlength );
-
-        // Trim off common suffix (speedup).
-        /////////
-        commonlength = this.diffCommonSuffix( text1, text2 );
-        commonsuffix = text1.substring( text1.length - commonlength );
-        text1 = text1.substring( 0, text1.length - commonlength );
-        text2 = text2.substring( 0, text2.length - commonlength );
-
-        // Compute the diff on the middle block.
-        diffs = this.diffCompute( text1, text2, checklines, deadline );
-
-        // Restore the prefix and suffix.
-        if ( commonprefix ) {
-            diffs.unshift( [ DIFF_EQUAL, commonprefix ] );
-        }
-        if ( commonsuffix ) {
-            diffs.push( [ DIFF_EQUAL, commonsuffix ] );
-        }
-        this.diffCleanupMerge( diffs );
-        return diffs;
-    };
-
-    /**
-     * Reduce the number of edits by eliminating operationally trivial equalities.
-     * @param {!Array.<!DiffMatchPatch.Diff>} diffs Array of diff tuples.
-     */
-    DiffMatchPatch.prototype.diffCleanupEfficiency = function( diffs ) {
-        var changes, equalities, equalitiesLength, lastequality,
-			pointer, preIns, preDel, postIns, postDel;
-        changes = false;
-        equalities = []; // Stack of indices where equalities are found.
-        equalitiesLength = 0; // Keeping our own length var is faster in JS.
-        /** @type {?string} */
-        lastequality = null;
-        // Always equal to diffs[equalities[equalitiesLength - 1]][1]
-        pointer = 0; // Index of current position.
-        // Is there an insertion operation before the last equality.
-        preIns = false;
-        // Is there a deletion operation before the last equality.
-        preDel = false;
-        // Is there an insertion operation after the last equality.
-        postIns = false;
-        // Is there a deletion operation after the last equality.
-        postDel = false;
-        while ( pointer < diffs.length ) {
-            if ( diffs[ pointer ][ 0 ] === DIFF_EQUAL ) { // Equality found.
-                if ( diffs[ pointer ][ 1 ].length < this.DiffEditCost && ( postIns || postDel ) ) {
-                    // Candidate found.
-                    equalities[ equalitiesLength++ ] = pointer;
-                    preIns = postIns;
-                    preDel = postDel;
-                    lastequality = diffs[ pointer ][ 1 ];
-                } else {
-                    // Not a candidate, and can never become one.
-                    equalitiesLength = 0;
-                    lastequality = null;
-                }
-                postIns = postDel = false;
-            } else { // An insertion or deletion.
-                if ( diffs[ pointer ][ 0 ] === DIFF_DELETE ) {
-                    postDel = true;
-                } else {
-                    postIns = true;
-                }
-                /*
-                 * Five types to be split:
-                 * <ins>A</ins><del>B</del>XY<ins>C</ins><del>D</del>
-                 * <ins>A</ins>X<ins>C</ins><del>D</del>
-                 * <ins>A</ins><del>B</del>X<ins>C</ins>
-                 * <ins>A</del>X<ins>C</ins><del>D</del>
-                 * <ins>A</ins><del>B</del>X<del>C</del>
-                 */
-                if ( lastequality && ( ( preIns && preDel && postIns && postDel ) ||
-                        ( ( lastequality.length < this.DiffEditCost / 2 ) &&
-                            ( preIns + preDel + postIns + postDel ) === 3 ) ) ) {
-                    // Duplicate record.
-                    diffs.splice( equalities[equalitiesLength - 1], 0, [ DIFF_DELETE, lastequality ] );
-                    // Change second copy to insert.
-                    diffs[ equalities[ equalitiesLength - 1 ] + 1 ][ 0 ] = DIFF_INSERT;
-                    equalitiesLength--; // Throw away the equality we just deleted;
-                    lastequality = null;
-                    if (preIns && preDel) {
-                        // No changes made which could affect previous entry, keep going.
-                        postIns = postDel = true;
-                        equalitiesLength = 0;
-                    } else {
-                        equalitiesLength--; // Throw away the previous equality.
-                        pointer = equalitiesLength > 0 ? equalities[ equalitiesLength - 1 ] : -1;
-                        postIns = postDel = false;
-                    }
-                    changes = true;
-                }
-            }
-            pointer++;
-        }
-
-        if ( changes ) {
-            this.diffCleanupMerge( diffs );
-        }
-    };
-
-    /**
-     * Convert a diff array into a pretty HTML report.
-     * @param {!Array.<!DiffMatchPatch.Diff>} diffs Array of diff tuples.
-     * @param {integer} string to be beautified.
-     * @return {string} HTML representation.
-     */
-    DiffMatchPatch.prototype.diffPrettyHtml = function( diffs ) {
-        var op, data, x, html = [];
-        for ( x = 0; x < diffs.length; x++ ) {
-            op = diffs[x][0]; // Operation (insert, delete, equal)
-            data = diffs[x][1]; // Text of change.
-            switch ( op ) {
-                case DIFF_INSERT:
-                    html[x] = "<ins>" + data + "</ins>";
-                    break;
-                case DIFF_DELETE:
-                    html[x] = "<del>" + data + "</del>";
-                    break;
-                case DIFF_EQUAL:
-                    html[x] = "<span>" + data + "</span>";
-                    break;
-            }
-        }
-        return html.join("");
-    };
-
-    /**
-     * Determine the common prefix of two strings.
-     * @param {string} text1 First string.
-     * @param {string} text2 Second string.
-     * @return {number} The number of characters common to the start of each
-     *     string.
-     */
-    DiffMatchPatch.prototype.diffCommonPrefix = function( text1, text2 ) {
-        var pointermid, pointermax, pointermin, pointerstart;
-        // Quick check for common null cases.
-        if ( !text1 || !text2 || text1.charAt(0) !== text2.charAt(0) ) {
-            return 0;
-        }
-        // Binary search.
-        // Performance analysis: http://neil.fraser.name/news/2007/10/09/
-        pointermin = 0;
-        pointermax = Math.min( text1.length, text2.length );
-        pointermid = pointermax;
-        pointerstart = 0;
-        while ( pointermin < pointermid ) {
-            if ( text1.substring( pointerstart, pointermid ) === text2.substring( pointerstart, pointermid ) ) {
-                pointermin = pointermid;
-                pointerstart = pointermin;
-            } else {
-                pointermax = pointermid;
-            }
-            pointermid = Math.floor( ( pointermax - pointermin ) / 2 + pointermin );
-        }
-        return pointermid;
-    };
-
-    /**
-     * Determine the common suffix of two strings.
-     * @param {string} text1 First string.
-     * @param {string} text2 Second string.
-     * @return {number} The number of characters common to the end of each string.
-     */
-    DiffMatchPatch.prototype.diffCommonSuffix = function( text1, text2 ) {
-        var pointermid, pointermax, pointermin, pointerend;
-        // Quick check for common null cases.
-        if (!text1 || !text2 || text1.charAt(text1.length - 1) !== text2.charAt(text2.length - 1)) {
-            return 0;
-        }
-        // Binary search.
-        // Performance analysis: http://neil.fraser.name/news/2007/10/09/
-        pointermin = 0;
-        pointermax = Math.min(text1.length, text2.length);
-        pointermid = pointermax;
-        pointerend = 0;
-        while ( pointermin < pointermid ) {
-            if (text1.substring( text1.length - pointermid, text1.length - pointerend ) ===
-                text2.substring( text2.length - pointermid, text2.length - pointerend ) ) {
-                pointermin = pointermid;
-                pointerend = pointermin;
-            } else {
-                pointermax = pointermid;
-            }
-            pointermid = Math.floor( ( pointermax - pointermin ) / 2 + pointermin );
-        }
-        return pointermid;
-    };
-
-    /**
-     * Find the differences between two texts.  Assumes that the texts do not
-     * have any common prefix or suffix.
-     * @param {string} text1 Old string to be diffed.
-     * @param {string} text2 New string to be diffed.
-     * @param {boolean} checklines Speedup flag.  If false, then don't run a
-     *     line-level diff first to identify the changed areas.
-     *     If true, then run a faster, slightly less optimal diff.
-     * @param {number} deadline Time when the diff should be complete by.
-     * @return {!Array.<!DiffMatchPatch.Diff>} Array of diff tuples.
-     * @private
-     */
-    DiffMatchPatch.prototype.diffCompute = function( text1, text2, checklines, deadline ) {
-        var diffs, longtext, shorttext, i, hm,
-			text1A, text2A, text1B, text2B,
-			midCommon, diffsA, diffsB;
-
-        if ( !text1 ) {
-            // Just add some text (speedup).
-            return [
-                [ DIFF_INSERT, text2 ]
-            ];
-        }
-
-        if (!text2) {
-            // Just delete some text (speedup).
-            return [
-                [ DIFF_DELETE, text1 ]
-            ];
-        }
-
-        longtext = text1.length > text2.length ? text1 : text2;
-        shorttext = text1.length > text2.length ? text2 : text1;
-        i = longtext.indexOf( shorttext );
-        if ( i !== -1 ) {
-            // Shorter text is inside the longer text (speedup).
-            diffs = [
-                [ DIFF_INSERT, longtext.substring( 0, i ) ],
-                [ DIFF_EQUAL, shorttext ],
-                [ DIFF_INSERT, longtext.substring( i + shorttext.length ) ]
-            ];
-            // Swap insertions for deletions if diff is reversed.
-            if ( text1.length > text2.length ) {
-                diffs[0][0] = diffs[2][0] = DIFF_DELETE;
-            }
-            return diffs;
-        }
-
-        if ( shorttext.length === 1 ) {
-            // Single character string.
-            // After the previous speedup, the character can't be an equality.
-            return [
-                [ DIFF_DELETE, text1 ],
-                [ DIFF_INSERT, text2 ]
-            ];
-        }
-
-        // Check to see if the problem can be split in two.
-        hm = this.diffHalfMatch(text1, text2);
-        if (hm) {
-            // A half-match was found, sort out the return data.
-            text1A = hm[0];
-            text1B = hm[1];
-            text2A = hm[2];
-            text2B = hm[3];
-            midCommon = hm[4];
-            // Send both pairs off for separate processing.
-            diffsA = this.DiffMain(text1A, text2A, checklines, deadline);
-            diffsB = this.DiffMain(text1B, text2B, checklines, deadline);
-            // Merge the results.
-            return diffsA.concat([
-                [ DIFF_EQUAL, midCommon ]
-            ], diffsB);
-        }
-
-        if (checklines && text1.length > 100 && text2.length > 100) {
-            return this.diffLineMode(text1, text2, deadline);
-        }
-
-        return this.diffBisect(text1, text2, deadline);
-    };
-
-    /**
-     * Do the two texts share a substring which is at least half the length of the
-     * longer text?
-     * This speedup can produce non-minimal diffs.
-     * @param {string} text1 First string.
-     * @param {string} text2 Second string.
-     * @return {Array.<string>} Five element Array, containing the prefix of
-     *     text1, the suffix of text1, the prefix of text2, the suffix of
-     *     text2 and the common middle.  Or null if there was no match.
-     * @private
-     */
-    DiffMatchPatch.prototype.diffHalfMatch = function(text1, text2) {
-        var longtext, shorttext, dmp,
-			text1A, text2B, text2A, text1B, midCommon,
-			hm1, hm2, hm;
-        if (this.DiffTimeout <= 0) {
-            // Don't risk returning a non-optimal diff if we have unlimited time.
-            return null;
-        }
-        longtext = text1.length > text2.length ? text1 : text2;
-        shorttext = text1.length > text2.length ? text2 : text1;
-        if (longtext.length < 4 || shorttext.length * 2 < longtext.length) {
-            return null; // Pointless.
-        }
-        dmp = this; // 'this' becomes 'window' in a closure.
-
-        /**
-         * Does a substring of shorttext exist within longtext such that the substring
-         * is at least half the length of longtext?
-         * Closure, but does not reference any external variables.
-         * @param {string} longtext Longer string.
-         * @param {string} shorttext Shorter string.
-         * @param {number} i Start index of quarter length substring within longtext.
-         * @return {Array.<string>} Five element Array, containing the prefix of
-         *     longtext, the suffix of longtext, the prefix of shorttext, the suffix
-         *     of shorttext and the common middle.  Or null if there was no match.
-         * @private
-         */
-        function diffHalfMatchI(longtext, shorttext, i) {
-            var seed, j, bestCommon, prefixLength, suffixLength,
-				bestLongtextA, bestLongtextB, bestShorttextA, bestShorttextB;
-            // Start with a 1/4 length substring at position i as a seed.
-            seed = longtext.substring(i, i + Math.floor(longtext.length / 4));
-            j = -1;
-            bestCommon = "";
-            while ((j = shorttext.indexOf(seed, j + 1)) !== -1) {
-                prefixLength = dmp.diffCommonPrefix(longtext.substring(i),
-                    shorttext.substring(j));
-                suffixLength = dmp.diffCommonSuffix(longtext.substring(0, i),
-                    shorttext.substring(0, j));
-                if (bestCommon.length < suffixLength + prefixLength) {
-                    bestCommon = shorttext.substring(j - suffixLength, j) +
-                        shorttext.substring(j, j + prefixLength);
-                    bestLongtextA = longtext.substring(0, i - suffixLength);
-                    bestLongtextB = longtext.substring(i + prefixLength);
-                    bestShorttextA = shorttext.substring(0, j - suffixLength);
-                    bestShorttextB = shorttext.substring(j + prefixLength);
-                }
-            }
-            if (bestCommon.length * 2 >= longtext.length) {
-                return [ bestLongtextA, bestLongtextB,
-                    bestShorttextA, bestShorttextB, bestCommon
-                ];
-            } else {
-                return null;
-            }
-        }
-
-        // First check if the second quarter is the seed for a half-match.
-        hm1 = diffHalfMatchI(longtext, shorttext,
-            Math.ceil(longtext.length / 4));
-        // Check again based on the third quarter.
-        hm2 = diffHalfMatchI(longtext, shorttext,
-            Math.ceil(longtext.length / 2));
-        if (!hm1 && !hm2) {
-            return null;
-        } else if (!hm2) {
-            hm = hm1;
-        } else if (!hm1) {
-            hm = hm2;
-        } else {
-            // Both matched.  Select the longest.
-            hm = hm1[4].length > hm2[4].length ? hm1 : hm2;
-        }
-
-        // A half-match was found, sort out the return data.
-        text1A, text1B, text2A, text2B;
-        if (text1.length > text2.length) {
-            text1A = hm[0];
-            text1B = hm[1];
-            text2A = hm[2];
-            text2B = hm[3];
-        } else {
-            text2A = hm[0];
-            text2B = hm[1];
-            text1A = hm[2];
-            text1B = hm[3];
-        }
-        midCommon = hm[4];
-        return [ text1A, text1B, text2A, text2B, midCommon ];
-    };
-
-    /**
-     * Do a quick line-level diff on both strings, then rediff the parts for
-     * greater accuracy.
-     * This speedup can produce non-minimal diffs.
-     * @param {string} text1 Old string to be diffed.
-     * @param {string} text2 New string to be diffed.
-     * @param {number} deadline Time when the diff should be complete by.
-     * @return {!Array.<!DiffMatchPatch.Diff>} Array of diff tuples.
-     * @private
-     */
-    DiffMatchPatch.prototype.diffLineMode = function(text1, text2, deadline) {
-        var a, diffs, linearray, pointer, countInsert,
-			countDelete, textInsert, textDelete, j;
-        // Scan the text on a line-by-line basis first.
-        a = this.diffLinesToChars(text1, text2);
-        text1 = a.chars1;
-        text2 = a.chars2;
-        linearray = a.lineArray;
-
-        diffs = this.DiffMain(text1, text2, false, deadline);
-
-        // Convert the diff back to original text.
-        this.diffCharsToLines(diffs, linearray);
-        // Eliminate freak matches (e.g. blank lines)
-        this.diffCleanupSemantic(diffs);
-
-        // Rediff any replacement blocks, this time character-by-character.
-        // Add a dummy entry at the end.
-        diffs.push( [ DIFF_EQUAL, "" ] );
-        pointer = 0;
-        countDelete = 0;
-        countInsert = 0;
-        textDelete = "";
-        textInsert = "";
-        while (pointer < diffs.length) {
-            switch ( diffs[pointer][0] ) {
-                case DIFF_INSERT:
-                    countInsert++;
-                    textInsert += diffs[pointer][1];
-                    break;
-                case DIFF_DELETE:
-                    countDelete++;
-                    textDelete += diffs[pointer][1];
-                    break;
-                case DIFF_EQUAL:
-                    // Upon reaching an equality, check for prior redundancies.
-                    if (countDelete >= 1 && countInsert >= 1) {
-                        // Delete the offending records and add the merged ones.
-                        diffs.splice(pointer - countDelete - countInsert,
-                            countDelete + countInsert);
-                        pointer = pointer - countDelete - countInsert;
-                        a = this.DiffMain(textDelete, textInsert, false, deadline);
-                        for (j = a.length - 1; j >= 0; j--) {
-                            diffs.splice( pointer, 0, a[j] );
-                        }
-                        pointer = pointer + a.length;
-                    }
-                    countInsert = 0;
-                    countDelete = 0;
-                    textDelete = "";
-                    textInsert = "";
-                    break;
-            }
-            pointer++;
-        }
-        diffs.pop(); // Remove the dummy entry at the end.
-
-        return diffs;
-    };
-
-    /**
-     * Find the 'middle snake' of a diff, split the problem in two
-     * and return the recursively constructed diff.
-     * See Myers 1986 paper: An O(ND) Difference Algorithm and Its Variations.
-     * @param {string} text1 Old string to be diffed.
-     * @param {string} text2 New string to be diffed.
-     * @param {number} deadline Time at which to bail if not yet complete.
-     * @return {!Array.<!DiffMatchPatch.Diff>} Array of diff tuples.
-     * @private
-     */
-    DiffMatchPatch.prototype.diffBisect = function(text1, text2, deadline) {
-        var text1Length, text2Length, maxD, vOffset, vLength,
-			v1, v2, x, delta, front, k1start, k1end, k2start,
-			k2end, k2Offset, k1Offset, x1, x2, y1, y2, d, k1, k2;
-        // Cache the text lengths to prevent multiple calls.
-        text1Length = text1.length;
-        text2Length = text2.length;
-        maxD = Math.ceil((text1Length + text2Length) / 2);
-        vOffset = maxD;
-        vLength = 2 * maxD;
-        v1 = new Array(vLength);
-        v2 = new Array(vLength);
-        // Setting all elements to -1 is faster in Chrome & Firefox than mixing
-        // integers and undefined.
-        for (x = 0; x < vLength; x++) {
-            v1[x] = -1;
-            v2[x] = -1;
-        }
-        v1[vOffset + 1] = 0;
-        v2[vOffset + 1] = 0;
-        delta = text1Length - text2Length;
-        // If the total number of characters is odd, then the front path will collide
-        // with the reverse path.
-        front = (delta % 2 !== 0);
-        // Offsets for start and end of k loop.
-        // Prevents mapping of space beyond the grid.
-        k1start = 0;
-        k1end = 0;
-        k2start = 0;
-        k2end = 0;
-        for (d = 0; d < maxD; d++) {
-            // Bail out if deadline is reached.
-            if ((new Date()).getTime() > deadline) {
-                break;
-            }
-
-            // Walk the front path one step.
-            for (k1 = -d + k1start; k1 <= d - k1end; k1 += 2) {
-                k1Offset = vOffset + k1;
-                if ( k1 === -d || ( k1 !== d && v1[ k1Offset - 1 ] < v1[ k1Offset + 1 ] ) ) {
-                    x1 = v1[k1Offset + 1];
-                } else {
-                    x1 = v1[k1Offset - 1] + 1;
-                }
-                y1 = x1 - k1;
-                while (x1 < text1Length && y1 < text2Length &&
-                    text1.charAt(x1) === text2.charAt(y1)) {
-                    x1++;
-                    y1++;
-                }
-                v1[k1Offset] = x1;
-                if (x1 > text1Length) {
-                    // Ran off the right of the graph.
-                    k1end += 2;
-                } else if (y1 > text2Length) {
-                    // Ran off the bottom of the graph.
-                    k1start += 2;
-                } else if (front) {
-                    k2Offset = vOffset + delta - k1;
-                    if (k2Offset >= 0 && k2Offset < vLength && v2[k2Offset] !== -1) {
-                        // Mirror x2 onto top-left coordinate system.
-                        x2 = text1Length - v2[k2Offset];
-                        if (x1 >= x2) {
-                            // Overlap detected.
-                            return this.diffBisectSplit(text1, text2, x1, y1, deadline);
-                        }
-                    }
-                }
-            }
-
-            // Walk the reverse path one step.
-            for (k2 = -d + k2start; k2 <= d - k2end; k2 += 2) {
-                k2Offset = vOffset + k2;
-                if ( k2 === -d || (k2 !== d && v2[ k2Offset - 1 ] < v2[ k2Offset + 1 ] ) ) {
-                    x2 = v2[k2Offset + 1];
-                } else {
-                    x2 = v2[k2Offset - 1] + 1;
-                }
-                y2 = x2 - k2;
-                while (x2 < text1Length && y2 < text2Length &&
-                    text1.charAt(text1Length - x2 - 1) ===
-                    text2.charAt(text2Length - y2 - 1)) {
-                    x2++;
-                    y2++;
-                }
-                v2[k2Offset] = x2;
-                if (x2 > text1Length) {
-                    // Ran off the left of the graph.
-                    k2end += 2;
-                } else if (y2 > text2Length) {
-                    // Ran off the top of the graph.
-                    k2start += 2;
-                } else if (!front) {
-                    k1Offset = vOffset + delta - k2;
-                    if (k1Offset >= 0 && k1Offset < vLength && v1[k1Offset] !== -1) {
-                        x1 = v1[k1Offset];
-                        y1 = vOffset + x1 - k1Offset;
-                        // Mirror x2 onto top-left coordinate system.
-                        x2 = text1Length - x2;
-                        if (x1 >= x2) {
-                            // Overlap detected.
-                            return this.diffBisectSplit(text1, text2, x1, y1, deadline);
-                        }
-                    }
-                }
-            }
-        }
-        // Diff took too long and hit the deadline or
-        // number of diffs equals number of characters, no commonality at all.
-        return [
-            [ DIFF_DELETE, text1 ],
-            [ DIFF_INSERT, text2 ]
-        ];
-    };
-
-    /**
-     * Given the location of the 'middle snake', split the diff in two parts
-     * and recurse.
-     * @param {string} text1 Old string to be diffed.
-     * @param {string} text2 New string to be diffed.
-     * @param {number} x Index of split point in text1.
-     * @param {number} y Index of split point in text2.
-     * @param {number} deadline Time at which to bail if not yet complete.
-     * @return {!Array.<!DiffMatchPatch.Diff>} Array of diff tuples.
-     * @private
-     */
-    DiffMatchPatch.prototype.diffBisectSplit = function( text1, text2, x, y, deadline ) {
-        var text1a, text1b, text2a, text2b, diffs, diffsb;
-        text1a = text1.substring(0, x);
-        text2a = text2.substring(0, y);
-        text1b = text1.substring(x);
-        text2b = text2.substring(y);
-
-        // Compute both diffs serially.
-        diffs = this.DiffMain(text1a, text2a, false, deadline);
-        diffsb = this.DiffMain(text1b, text2b, false, deadline);
-
-        return diffs.concat(diffsb);
-    };
-
-    /**
-     * Reduce the number of edits by eliminating semantically trivial equalities.
-     * @param {!Array.<!DiffMatchPatch.Diff>} diffs Array of diff tuples.
-     */
-    DiffMatchPatch.prototype.diffCleanupSemantic = function(diffs) {
-        var changes, equalities, equalitiesLength, lastequality,
-			pointer, lengthInsertions2, lengthDeletions2, lengthInsertions1,
-			lengthDeletions1, deletion, insertion, overlapLength1, overlapLength2;
-        changes = false;
-        equalities = []; // Stack of indices where equalities are found.
-        equalitiesLength = 0; // Keeping our own length var is faster in JS.
-        /** @type {?string} */
-        lastequality = null;
-        // Always equal to diffs[equalities[equalitiesLength - 1]][1]
-        pointer = 0; // Index of current position.
-        // Number of characters that changed prior to the equality.
-        lengthInsertions1 = 0;
-        lengthDeletions1 = 0;
-        // Number of characters that changed after the equality.
-        lengthInsertions2 = 0;
-        lengthDeletions2 = 0;
-        while (pointer < diffs.length) {
-            if (diffs[pointer][0] === DIFF_EQUAL) { // Equality found.
-                equalities[equalitiesLength++] = pointer;
-                lengthInsertions1 = lengthInsertions2;
-                lengthDeletions1 = lengthDeletions2;
-                lengthInsertions2 = 0;
-                lengthDeletions2 = 0;
-                lastequality = diffs[pointer][1];
-            } else { // An insertion or deletion.
-                if (diffs[pointer][0] === DIFF_INSERT) {
-                    lengthInsertions2 += diffs[pointer][1].length;
-                } else {
-                    lengthDeletions2 += diffs[pointer][1].length;
-                }
-                // Eliminate an equality that is smaller or equal to the edits on both
-                // sides of it.
-                if (lastequality && (lastequality.length <=
-                        Math.max(lengthInsertions1, lengthDeletions1)) &&
-                    (lastequality.length <= Math.max(lengthInsertions2,
-                        lengthDeletions2))) {
-                    // Duplicate record.
-                    diffs.splice( equalities[ equalitiesLength - 1 ], 0, [ DIFF_DELETE, lastequality ] );
-                    // Change second copy to insert.
-                    diffs[equalities[equalitiesLength - 1] + 1][0] = DIFF_INSERT;
-                    // Throw away the equality we just deleted.
-                    equalitiesLength--;
-                    // Throw away the previous equality (it needs to be reevaluated).
-                    equalitiesLength--;
-                    pointer = equalitiesLength > 0 ? equalities[equalitiesLength - 1] : -1;
-                    lengthInsertions1 = 0; // Reset the counters.
-                    lengthDeletions1 = 0;
-                    lengthInsertions2 = 0;
-                    lengthDeletions2 = 0;
-                    lastequality = null;
-                    changes = true;
-                }
-            }
-            pointer++;
-        }
-
-        // Normalize the diff.
-        if (changes) {
-            this.diffCleanupMerge(diffs);
-        }
-
-        // Find any overlaps between deletions and insertions.
-        // e.g: <del>abcxxx</del><ins>xxxdef</ins>
-        //   -> <del>abc</del>xxx<ins>def</ins>
-        // e.g: <del>xxxabc</del><ins>defxxx</ins>
-        //   -> <ins>def</ins>xxx<del>abc</del>
-        // Only extract an overlap if it is as big as the edit ahead or behind it.
-        pointer = 1;
-        while (pointer < diffs.length) {
-            if (diffs[pointer - 1][0] === DIFF_DELETE &&
-                diffs[pointer][0] === DIFF_INSERT) {
-                deletion = diffs[pointer - 1][1];
-                insertion = diffs[pointer][1];
-                overlapLength1 = this.diffCommonOverlap(deletion, insertion);
-                overlapLength2 = this.diffCommonOverlap(insertion, deletion);
-                if (overlapLength1 >= overlapLength2) {
-                    if (overlapLength1 >= deletion.length / 2 ||
-                        overlapLength1 >= insertion.length / 2) {
-                        // Overlap found.  Insert an equality and trim the surrounding edits.
-                        diffs.splice( pointer, 0, [ DIFF_EQUAL, insertion.substring( 0, overlapLength1 ) ] );
-                        diffs[pointer - 1][1] =
-                            deletion.substring(0, deletion.length - overlapLength1);
-                        diffs[pointer + 1][1] = insertion.substring(overlapLength1);
-                        pointer++;
-                    }
-                } else {
-                    if (overlapLength2 >= deletion.length / 2 ||
-                        overlapLength2 >= insertion.length / 2) {
-                        // Reverse overlap found.
-                        // Insert an equality and swap and trim the surrounding edits.
-                        diffs.splice( pointer, 0, [ DIFF_EQUAL, deletion.substring( 0, overlapLength2 ) ] );
-                        diffs[pointer - 1][0] = DIFF_INSERT;
-                        diffs[pointer - 1][1] =
-                            insertion.substring(0, insertion.length - overlapLength2);
-                        diffs[pointer + 1][0] = DIFF_DELETE;
-                        diffs[pointer + 1][1] =
-                            deletion.substring(overlapLength2);
-                        pointer++;
-                    }
-                }
-                pointer++;
-            }
-            pointer++;
-        }
-    };
-
-    /**
-     * Determine if the suffix of one string is the prefix of another.
-     * @param {string} text1 First string.
-     * @param {string} text2 Second string.
-     * @return {number} The number of characters common to the end of the first
-     *     string and the start of the second string.
-     * @private
-     */
-    DiffMatchPatch.prototype.diffCommonOverlap = function(text1, text2) {
-        var text1Length, text2Length, textLength,
-			best, length, pattern, found;
-        // Cache the text lengths to prevent multiple calls.
-        text1Length = text1.length;
-        text2Length = text2.length;
-        // Eliminate the null case.
-        if (text1Length === 0 || text2Length === 0) {
-            return 0;
-        }
-        // Truncate the longer string.
-        if (text1Length > text2Length) {
-            text1 = text1.substring(text1Length - text2Length);
-        } else if (text1Length < text2Length) {
-            text2 = text2.substring(0, text1Length);
-        }
-        textLength = Math.min(text1Length, text2Length);
-        // Quick check for the worst case.
-        if (text1 === text2) {
-            return textLength;
-        }
-
-        // Start by looking for a single character match
-        // and increase length until no match is found.
-        // Performance analysis: http://neil.fraser.name/news/2010/11/04/
-        best = 0;
-        length = 1;
-        while (true) {
-            pattern = text1.substring(textLength - length);
-            found = text2.indexOf(pattern);
-            if (found === -1) {
-                return best;
-            }
-            length += found;
-            if (found === 0 || text1.substring(textLength - length) ===
-                text2.substring(0, length)) {
-                best = length;
-                length++;
-            }
-        }
-    };
-
-    /**
-     * Split two texts into an array of strings.  Reduce the texts to a string of
-     * hashes where each Unicode character represents one line.
-     * @param {string} text1 First string.
-     * @param {string} text2 Second string.
-     * @return {{chars1: string, chars2: string, lineArray: !Array.<string>}}
-     *     An object containing the encoded text1, the encoded text2 and
-     *     the array of unique strings.
-     *     The zeroth element of the array of unique strings is intentionally blank.
-     * @private
-     */
-    DiffMatchPatch.prototype.diffLinesToChars = function(text1, text2) {
-        var lineArray, lineHash, chars1, chars2;
-        lineArray = []; // e.g. lineArray[4] === 'Hello\n'
-        lineHash = {}; // e.g. lineHash['Hello\n'] === 4
-
-        // '\x00' is a valid character, but various debuggers don't like it.
-        // So we'll insert a junk entry to avoid generating a null character.
-        lineArray[0] = "";
-
-        /**
-         * Split a text into an array of strings.  Reduce the texts to a string of
-         * hashes where each Unicode character represents one line.
-         * Modifies linearray and linehash through being a closure.
-         * @param {string} text String to encode.
-         * @return {string} Encoded string.
-         * @private
-         */
-        function diffLinesToCharsMunge(text) {
-            var chars, lineStart, lineEnd, lineArrayLength, line;
-            chars = "";
-            // Walk the text, pulling out a substring for each line.
-            // text.split('\n') would would temporarily double our memory footprint.
-            // Modifying text would create many large strings to garbage collect.
-            lineStart = 0;
-            lineEnd = -1;
-            // Keeping our own length variable is faster than looking it up.
-            lineArrayLength = lineArray.length;
-            while (lineEnd < text.length - 1) {
-                lineEnd = text.indexOf("\n", lineStart);
-                if (lineEnd === -1) {
-                    lineEnd = text.length - 1;
-                }
-                line = text.substring(lineStart, lineEnd + 1);
-                lineStart = lineEnd + 1;
-
-                if (lineHash.hasOwnProperty ? lineHash.hasOwnProperty(line) :
-                    (lineHash[line] !== undefined)) {
-                    chars += String.fromCharCode( lineHash[ line ] );
-                } else {
-                    chars += String.fromCharCode(lineArrayLength);
-                    lineHash[line] = lineArrayLength;
-                    lineArray[lineArrayLength++] = line;
-                }
-            }
-            return chars;
-        }
-
-        chars1 = diffLinesToCharsMunge(text1);
-        chars2 = diffLinesToCharsMunge(text2);
-        return {
-            chars1: chars1,
-            chars2: chars2,
-            lineArray: lineArray
-        };
-    };
-
-    /**
-     * Rehydrate the text in a diff from a string of line hashes to real lines of
-     * text.
-     * @param {!Array.<!DiffMatchPatch.Diff>} diffs Array of diff tuples.
-     * @param {!Array.<string>} lineArray Array of unique strings.
-     * @private
-     */
-    DiffMatchPatch.prototype.diffCharsToLines = function( diffs, lineArray ) {
-        var x, chars, text, y;
-        for ( x = 0; x < diffs.length; x++ ) {
-            chars = diffs[x][1];
-            text = [];
-            for ( y = 0; y < chars.length; y++ ) {
-                text[y] = lineArray[chars.charCodeAt(y)];
-            }
-            diffs[x][1] = text.join("");
-        }
-    };
-
-    /**
-     * Reorder and merge like edit sections.  Merge equalities.
-     * Any edit section can move as long as it doesn't cross an equality.
-     * @param {!Array.<!DiffMatchPatch.Diff>} diffs Array of diff tuples.
-     */
-    DiffMatchPatch.prototype.diffCleanupMerge = function(diffs) {
-        var pointer, countDelete, countInsert, textInsert, textDelete,
-			commonlength, changes;
-        diffs.push( [ DIFF_EQUAL, "" ] ); // Add a dummy entry at the end.
-        pointer = 0;
-        countDelete = 0;
-        countInsert = 0;
-        textDelete = "";
-        textInsert = "";
-        commonlength;
-        while (pointer < diffs.length) {
-            switch ( diffs[ pointer ][ 0 ] ) {
-                case DIFF_INSERT:
-                    countInsert++;
-                    textInsert += diffs[pointer][1];
-                    pointer++;
-                    break;
-                case DIFF_DELETE:
-                    countDelete++;
-                    textDelete += diffs[pointer][1];
-                    pointer++;
-                    break;
-                case DIFF_EQUAL:
-                    // Upon reaching an equality, check for prior redundancies.
-                    if (countDelete + countInsert > 1) {
-                        if (countDelete !== 0 && countInsert !== 0) {
-                            // Factor out any common prefixies.
-                            commonlength = this.diffCommonPrefix(textInsert, textDelete);
-                            if (commonlength !== 0) {
-                                if ((pointer - countDelete - countInsert) > 0 &&
-                                    diffs[pointer - countDelete - countInsert - 1][0] ===
-                                    DIFF_EQUAL) {
-                                    diffs[pointer - countDelete - countInsert - 1][1] +=
-                                        textInsert.substring(0, commonlength);
-                                } else {
-                                    diffs.splice( 0, 0, [ DIFF_EQUAL,
-                                        textInsert.substring( 0, commonlength )
-                                     ] );
-                                    pointer++;
-                                }
-                                textInsert = textInsert.substring(commonlength);
-                                textDelete = textDelete.substring(commonlength);
-                            }
-                            // Factor out any common suffixies.
-                            commonlength = this.diffCommonSuffix(textInsert, textDelete);
-                            if (commonlength !== 0) {
-                                diffs[pointer][1] = textInsert.substring(textInsert.length -
-                                    commonlength) + diffs[pointer][1];
-                                textInsert = textInsert.substring(0, textInsert.length -
-                                    commonlength);
-                                textDelete = textDelete.substring(0, textDelete.length -
-                                    commonlength);
-                            }
-                        }
-                        // Delete the offending records and add the merged ones.
-                        if (countDelete === 0) {
-                            diffs.splice( pointer - countInsert,
-                                countDelete + countInsert, [ DIFF_INSERT, textInsert ] );
-                        } else if (countInsert === 0) {
-                            diffs.splice( pointer - countDelete,
-                                countDelete + countInsert, [ DIFF_DELETE, textDelete ] );
-                        } else {
-                            diffs.splice( pointer - countDelete - countInsert,
-                                countDelete + countInsert, [ DIFF_DELETE, textDelete ], [ DIFF_INSERT, textInsert ] );
-                        }
-                        pointer = pointer - countDelete - countInsert +
-                            (countDelete ? 1 : 0) + (countInsert ? 1 : 0) + 1;
-                    } else if (pointer !== 0 && diffs[pointer - 1][0] === DIFF_EQUAL) {
-                        // Merge this equality with the previous one.
-                        diffs[pointer - 1][1] += diffs[pointer][1];
-                        diffs.splice(pointer, 1);
-                    } else {
-                        pointer++;
-                    }
-                    countInsert = 0;
-                    countDelete = 0;
-                    textDelete = "";
-                    textInsert = "";
-                    break;
-            }
-        }
-        if (diffs[diffs.length - 1][1] === "") {
-            diffs.pop(); // Remove the dummy entry at the end.
-        }
-
-        // Second pass: look for single edits surrounded on both sides by equalities
-        // which can be shifted sideways to eliminate an equality.
-        // e.g: A<ins>BA</ins>C -> <ins>AB</ins>AC
-        changes = false;
-        pointer = 1;
-        // Intentionally ignore the first and last element (don't need checking).
-        while (pointer < diffs.length - 1) {
-            if (diffs[pointer - 1][0] === DIFF_EQUAL &&
-                diffs[pointer + 1][0] === DIFF_EQUAL) {
-                // This is a single edit surrounded by equalities.
-                if ( diffs[ pointer ][ 1 ].substring( diffs[ pointer ][ 1 ].length -
-                        diffs[ pointer - 1 ][ 1 ].length ) === diffs[ pointer - 1 ][ 1 ] ) {
-                    // Shift the edit over the previous equality.
-                    diffs[pointer][1] = diffs[pointer - 1][1] +
-                        diffs[pointer][1].substring(0, diffs[pointer][1].length -
-                            diffs[pointer - 1][1].length);
-                    diffs[pointer + 1][1] = diffs[pointer - 1][1] + diffs[pointer + 1][1];
-                    diffs.splice(pointer - 1, 1);
-                    changes = true;
-                } else if ( diffs[ pointer ][ 1 ].substring( 0, diffs[ pointer + 1 ][ 1 ].length ) ===
-                    diffs[ pointer + 1 ][ 1 ] ) {
-                    // Shift the edit over the next equality.
-                    diffs[pointer - 1][1] += diffs[pointer + 1][1];
-                    diffs[pointer][1] =
-                        diffs[pointer][1].substring(diffs[pointer + 1][1].length) +
-                        diffs[pointer + 1][1];
-                    diffs.splice(pointer + 1, 1);
-                    changes = true;
-                }
-            }
-            pointer++;
-        }
-        // If shifts were made, the diff needs reordering and another shift sweep.
-        if (changes) {
-            this.diffCleanupMerge(diffs);
-        }
-    };
-
-    return function(o, n) {
-		var diff, output, text;
-        diff = new DiffMatchPatch();
-        output = diff.DiffMain(o, n);
-        //console.log(output);
-        diff.diffCleanupEfficiency(output);
-        text = diff.diffPrettyHtml(output);
-
-        return text;
-    };
-}());
-// jscs:enable
-
-(function() {
-
-// Deprecated QUnit.init - Ref #530
-// Re-initialize the configuration options
-QUnit.init = function() {
-	var tests, banner, result, qunit,
-		config = QUnit.config;
-
-	config.stats = { all: 0, bad: 0 };
-	config.moduleStats = { all: 0, bad: 0 };
-	config.started = 0;
-	config.updateRate = 1000;
-	config.blocking = false;
-	config.autostart = true;
-	config.autorun = false;
-	config.filter = "";
-	config.queue = [];
-
-	// Return on non-browser environments
-	// This is necessary to not break on node tests
-	if ( typeof window === "undefined" ) {
-		return;
-	}
-
-	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 />&#160;";
-	}
-};
-
-// Don't load the HTML Reporter on non-Browser environments
-if ( typeof window === "undefined" ) {
-	return;
-}
-
-var config = QUnit.config,
-	hasOwn = Object.prototype.hasOwnProperty,
-	defined = {
-		document: window.document !== undefined,
-		sessionStorage: (function() {
-			var x = "qunit-test-string";
-			try {
-				sessionStorage.setItem( x, x );
-				sessionStorage.removeItem( x );
-				return true;
-			} catch ( e ) {
-				return false;
-			}
-		}())
-	},
-	modulesList = [];
-
-/**
-* 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;";
-		}
-	});
-}
-
-/**
- * @param {HTMLElement} elem
- * @param {string} type
- * @param {Function} fn
- */
-function addEvent( elem, type, fn ) {
-	if ( elem.addEventListener ) {
-
-		// Standards-based browsers
-		elem.addEventListener( type, fn, false );
-	} else if ( elem.attachEvent ) {
-
-		// support: IE <9
-		elem.attachEvent( "on" + type, function() {
-			var event = window.event;
-			if ( !event.target ) {
-				event.target = event.srcElement || document;
-			}
-
-			fn.call( elem, event );
-		});
-	}
-}
-
-/**
- * @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 + " " ) >= 0;
-}
-
-function addClass( elem, name ) {
-	if ( !hasClass( elem, name ) ) {
-		elem.className += ( elem.className ? " " : "" ) + name;
-	}
-}
-
-function toggleClass( elem, name ) {
-	if ( hasClass( elem, name ) ) {
-		removeClass( elem, name );
-	} else {
-		addClass( elem, name );
-	}
-}
-
-function removeClass( elem, name ) {
-	var set = " " + elem.className + " ";
-
-	// Class name may appear multiple times
-	while ( set.indexOf( " " + name + " " ) >= 0 ) {
-		set = set.replace( " " + name + " ", " " );
-	}
-
-	// trim for prettiness
-	elem.className = typeof set.trim === "function" ? set.trim() : set.replace( /^\s+|\s+$/g, "" );
-}
-
-function id( name ) {
-	return defined.document && document.getElementById && document.getElementById( name );
-}
-
-function getUrlConfigHtml() {
-	var i, j, val,
-		escaped, escapedTooltip,
-		selection = false,
-		len = config.urlConfig.length,
-		urlConfigHtml = "";
-
-	for ( i = 0; i < len; i++ ) {
-		val = config.urlConfig[ i ];
-		if ( typeof val === "string" ) {
-			val = {
-				id: val,
-				label: val
-			};
-		}
-
-		escaped = escapeText( val.id );
-		escapedTooltip = escapeText( val.tooltip );
-
-		if ( config[ val.id ] === undefined ) {
-			config[ val.id ] = QUnit.urlParams[ val.id ];
-		}
-
-		if ( !val.value || typeof val.value === "string" ) {
-			urlConfigHtml += "<input id='qunit-urlconfig-" + escaped +
-				"' name='" + escaped + "' type='checkbox'" +
-				( val.value ? " value='" + escapeText( val.value ) + "'" : "" ) +
-				( config[ val.id ] ? " checked='checked'" : "" ) +
-				" title='" + escapedTooltip + "' /><label for='qunit-urlconfig-" + escaped +
-				"' title='" + escapedTooltip + "'>" + val.label + "</label>";
-		} else {
-			urlConfigHtml += "<label for='qunit-urlconfig-" + escaped +
-				"' title='" + escapedTooltip + "'>" + val.label +
-				": </label><select id='qunit-urlconfig-" + escaped +
-				"' name='" + escaped + "' title='" + escapedTooltip + "'><option></option>";
-
-			if ( QUnit.is( "array", val.value ) ) {
-				for ( j = 0; j < val.value.length; j++ ) {
-					escaped = escapeText( val.value[ j ] );
-					urlConfigHtml += "<option value='" + escaped + "'" +
-						( config[ val.id ] === val.value[ j ] ?
-							( selection = true ) && " selected='selected'" : "" ) +
-						">" + escaped + "</option>";
-				}
-			} else {
-				for ( j in val.value ) {
-					if ( hasOwn.call( val.value, j ) ) {
-						urlConfigHtml += "<option value='" + escapeText( j ) + "'" +
-							( config[ val.id ] === j ?
-								( selection = true ) && " selected='selected'" : "" ) +
-							">" + escapeText( val.value[ j ] ) + "</option>";
-					}
-				}
-			}
-			if ( config[ val.id ] && !selection ) {
-				escaped = escapeText( config[ val.id ] );
-				urlConfigHtml += "<option value='" + escaped +
-					"' selected='selected' disabled='disabled'>" + escaped + "</option>";
-			}
-			urlConfigHtml += "</select>";
-		}
-	}
-
-	return urlConfigHtml;
-}
-
-// Handle "click" events on toolbar checkboxes and "change" for select menus.
-// Updates the URL with the new state of `config.urlConfig` values.
-function toolbarChanged() {
-	var updatedUrl, value,
-		field = this,
-		params = {};
-
-	// Detect if field is a select menu or a checkbox
-	if ( "selectedIndex" in field ) {
-		value = field.options[ field.selectedIndex ].value || undefined;
-	} else {
-		value = field.checked ? ( field.defaultValue || true ) : undefined;
-	}
-
-	params[ field.name ] = value;
-	updatedUrl = setUrl( params );
-
-	if ( "hidepassed" === field.name && "replaceState" in window.history ) {
-		config[ field.name ] = value || false;
-		if ( value ) {
-			addClass( id( "qunit-tests" ), "hidepass" );
-		} else {
-			removeClass( id( "qunit-tests" ), "hidepass" );
-		}
-
-		// It is not necessary to refresh the whole page
-		window.history.replaceState( null, "", updatedUrl );
-	} else {
-		window.location = updatedUrl;
-	}
-}
-
-function setUrl( params ) {
-	var key,
-		querystring = "?";
-
-	params = QUnit.extend( QUnit.extend( {}, QUnit.urlParams ), params );
-
-	for ( key in params ) {
-		if ( hasOwn.call( params, key ) ) {
-			if ( params[ key ] === undefined ) {
-				continue;
-			}
-			querystring += encodeURIComponent( key );
-			if ( params[ key ] !== true ) {
-				querystring += "=" + encodeURIComponent( params[ key ] );
-			}
-			querystring += "&";
-		}
-	}
-	return location.protocol + "//" + location.host +
-		location.pathname + querystring.slice( 0, -1 );
-}
-
-function applyUrlParams() {
-	var selectedModule,
-		modulesList = id( "qunit-modulefilter" ),
-		filter = id( "qunit-filter-input" ).value;
-
-	selectedModule = modulesList ?
-		decodeURIComponent( modulesList.options[ modulesList.selectedIndex ].value ) :
-		undefined;
-
-	window.location = setUrl({
-		module: ( selectedModule === "" ) ? undefined : selectedModule,
-		filter: ( filter === "" ) ? undefined : filter,
-
-		// Remove testId filter
-		testId: undefined
-	});
-}
-
-function toolbarUrlConfigContainer() {
-	var urlConfigContainer = document.createElement( "span" );
-
-	urlConfigContainer.innerHTML = getUrlConfigHtml();
-	addClass( urlConfigContainer, "qunit-url-config" );
-
-	// For oldIE support:
-	// * Add handlers to the individual elements instead of the container
-	// * Use "click" instead of "change" for checkboxes
-	addEvents( urlConfigContainer.getElementsByTagName( "input" ), "click", toolbarChanged );
-	addEvents( urlConfigContainer.getElementsByTagName( "select" ), "change", toolbarChanged );
-
-	return urlConfigContainer;
-}
-
-function toolbarLooseFilter() {
-	var filter = document.createElement( "form" ),
-		label = document.createElement( "label" ),
-		input = document.createElement( "input" ),
-		button = document.createElement( "button" );
-
-	addClass( filter, "qunit-filter" );
-
-	label.innerHTML = "Filter: ";
-
-	input.type = "text";
-	input.value = config.filter || "";
-	input.name = "filter";
-	input.id = "qunit-filter-input";
-
-	button.innerHTML = "Go";
-
-	label.appendChild( input );
-
-	filter.appendChild( label );
-	filter.appendChild( button );
-	addEvent( filter, "submit", function( ev ) {
-		applyUrlParams();
-
-		if ( ev && ev.preventDefault ) {
-			ev.preventDefault();
-		}
-
-		return false;
-	});
-
-	return filter;
-}
-
-function toolbarModuleFilterHtml() {
-	var i,
-		moduleFilterHtml = "";
-
-	if ( !modulesList.length ) {
-		return false;
-	}
-
-	modulesList.sort(function( a, b ) {
-		return a.localeCompare( b );
-	});
-
-	moduleFilterHtml += "<label for='qunit-modulefilter'>Module: </label>" +
-		"<select id='qunit-modulefilter' name='modulefilter'><option value='' " +
-		( QUnit.urlParams.module === undefined ? "selected='selected'" : "" ) +
-		">< All Modules ></option>";
-
-	for ( i = 0; i < modulesList.length; i++ ) {
-		moduleFilterHtml += "<option value='" +
-			escapeText( encodeURIComponent( modulesList[ i ] ) ) + "' " +
-			( QUnit.urlParams.module === modulesList[ i ] ? "selected='selected'" : "" ) +
-			">" + escapeText( modulesList[ i ] ) + "</option>";
-	}
-	moduleFilterHtml += "</select>";
-
-	return moduleFilterHtml;
-}
-
-function toolbarModuleFilter() {
-	var toolbar = id( "qunit-testrunner-toolbar" ),
-		moduleFilter = document.createElement( "span" ),
-		moduleFilterHtml = toolbarModuleFilterHtml();
-
-	if ( !toolbar || !moduleFilterHtml ) {
-		return false;
-	}
-
-	moduleFilter.setAttribute( "id", "qunit-modulefilter-container" );
-	moduleFilter.innerHTML = moduleFilterHtml;
-
-	addEvent( moduleFilter.lastChild, "change", applyUrlParams );
-
-	toolbar.appendChild( moduleFilter );
-}
-
-function appendToolbar() {
-	var toolbar = id( "qunit-testrunner-toolbar" );
-
-	if ( toolbar ) {
-		toolbar.appendChild( toolbarUrlConfigContainer() );
-		toolbar.appendChild( toolbarLooseFilter() );
-	}
-}
-
-function appendHeader() {
-	var header = id( "qunit-header" );
-
-	if ( header ) {
-		header.innerHTML = "<a href='" +
-			setUrl({ filter: undefined, module: undefined, testId: undefined }) +
-			"'>" + header.innerHTML + "</a> ";
-	}
-}
-
-function appendBanner() {
-	var banner = id( "qunit-banner" );
-
-	if ( banner ) {
-		banner.className = "";
-	}
-}
-
-function appendTestResults() {
-	var tests = id( "qunit-tests" ),
-		result = id( "qunit-testresult" );
-
-	if ( result ) {
-		result.parentNode.removeChild( result );
-	}
-
-	if ( tests ) {
-		tests.innerHTML = "";
-		result = document.createElement( "p" );
-		result.id = "qunit-testresult";
-		result.className = "result";
-		tests.parentNode.insertBefore( result, tests );
-		result.innerHTML = "Running...<br />&#160;";
-	}
-}
-
-function storeFixture() {
-	var fixture = id( "qunit-fixture" );
-	if ( fixture ) {
-		config.fixture = fixture.innerHTML;
-	}
-}
-
-function appendUserAgent() {
-	var userAgent = id( "qunit-userAgent" );
-
-	if ( userAgent ) {
-		userAgent.innerHTML = "";
-		userAgent.appendChild(
-			document.createTextNode(
-				"QUnit " + QUnit.version  + "; " + navigator.userAgent
-			)
-		);
-	}
-}
-
-function appendTestsList( modules ) {
-	var i, l, x, z, test, moduleObj;
-
-	for ( i = 0, l = modules.length; i < l; i++ ) {
-		moduleObj = modules[ i ];
-
-		if ( moduleObj.name ) {
-			modulesList.push( moduleObj.name );
-		}
-
-		for ( x = 0, z = moduleObj.tests.length; x < z; x++ ) {
-			test = moduleObj.tests[ x ];
-
-			appendTest( test.name, test.testId, moduleObj.name );
-		}
-	}
-}
-
-function appendTest( name, testId, moduleName ) {
-	var title, rerunTrigger, testBlock, assertList,
-		tests = id( "qunit-tests" );
-
-	if ( !tests ) {
-		return;
-	}
-
-	title = document.createElement( "strong" );
-	title.innerHTML = getNameHtml( name, moduleName );
-
-	rerunTrigger = document.createElement( "a" );
-	rerunTrigger.innerHTML = "Rerun";
-	rerunTrigger.href = setUrl({ testId: testId });
-
-	testBlock = document.createElement( "li" );
-	testBlock.appendChild( title );
-	testBlock.appendChild( rerunTrigger );
-	testBlock.id = "qunit-test-output-" + testId;
-
-	assertList = document.createElement( "ol" );
-	assertList.className = "qunit-assert-list";
-
-	testBlock.appendChild( assertList );
-
-	tests.appendChild( testBlock );
-}
-
-// HTML Reporter initialization and load
-QUnit.begin(function( details ) {
-	var qunit = id( "qunit" );
-
-	// Fixture is the only one necessary to run without the #qunit element
-	storeFixture();
-
-	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>";
-	}
-
-	appendHeader();
-	appendBanner();
-	appendTestResults();
-	appendUserAgent();
-	appendToolbar();
-	appendTestsList( details.modules );
-	toolbarModuleFilter();
-
-	if ( qunit && config.hidepassed ) {
-		addClass( qunit.lastChild, "hidepass" );
-	}
-});
-
-QUnit.done(function( details ) {
-	var i, key,
-		banner = id( "qunit-banner" ),
-		tests = id( "qunit-tests" ),
-		html = [
-			"Tests completed in ",
-			details.runtime,
-			" milliseconds.<br />",
-			"<span class='passed'>",
-			details.passed,
-			"</span> assertions of <span class='total'>",
-			details.total,
-			"</span> passed, <span class='failed'>",
-			details.failed,
-			"</span> failed."
-		].join( "" );
-
-	if ( banner ) {
-		banner.className = details.failed ? "qunit-fail" : "qunit-pass";
-	}
-
-	if ( tests ) {
-		id( "qunit-testresult" ).innerHTML = html;
-	}
-
-	if ( config.altertitle && defined.document && 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 = [
-			( details.failed ? "\u2716" : "\u2714" ),
-			document.title.replace( /^[\u2714\u2716] /i, "" )
-		].join( " " );
-	}
-
-	// clear own sessionStorage items if all tests passed
-	if ( config.reorder && defined.sessionStorage && details.failed === 0 ) {
-		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 ( config.scrolltop && window.scrollTo ) {
-		window.scrollTo( 0, 0 );
-	}
-});
-
-function getNameHtml( name, module ) {
-	var nameHtml = "";
-
-	if ( module ) {
-		nameHtml = "<span class='module-name'>" + escapeText( module ) + "</span>: ";
-	}
-
-	nameHtml += "<span class='test-name'>" + escapeText( name ) + "</span>";
-
-	return nameHtml;
-}
-
-QUnit.testStart(function( details ) {
-	var running, testBlock, bad;
-
-	testBlock = id( "qunit-test-output-" + details.testId );
-	if ( testBlock ) {
-		testBlock.className = "running";
-	} else {
-
-		// Report later registered tests
-		appendTest( details.name, details.testId, details.module );
-	}
-
-	running = id( "qunit-testresult" );
-	if ( running ) {
-		bad = QUnit.config.reorder && defined.sessionStorage &&
-			+sessionStorage.getItem( "qunit-test-" + details.module + "-" + details.name );
-
-		running.innerHTML = ( bad ?
-			"Rerunning previously failed test: <br />" :
-			"Running: <br />" ) +
-			getNameHtml( details.name, details.module );
-	}
-
-});
-
-QUnit.log(function( details ) {
-	var assertList, assertLi,
-		message, expected, actual,
-		testItem = id( "qunit-test-output-" + details.testId );
-
-	if ( !testItem ) {
-		return;
-	}
-
-	message = escapeText( details.message ) || ( details.result ? "okay" : "failed" );
-	message = "<span class='test-message'>" + message + "</span>";
-	message += "<span class='runtime'>@ " + details.runtime + " ms</span>";
-
-	// pushFailure doesn't provide details.expected
-	// when it calls, it's implicit to also not show expected and diff stuff
-	// Also, we need to check details.expected existence, as it can exist and be undefined
-	if ( !details.result && hasOwn.call( details, "expected" ) ) {
-		expected = escapeText( QUnit.dump.parse( details.expected ) );
-		actual = escapeText( QUnit.dump.parse( details.actual ) );
-		message += "<table><tr class='test-expected'><th>Expected: </th><td><pre>" +
-			expected +
-			"</pre></td></tr>";
-
-		if ( actual !== expected ) {
-			message += "<tr class='test-actual'><th>Result: </th><td><pre>" +
-				actual + "</pre></td></tr>" +
-				"<tr class='test-diff'><th>Diff: </th><td><pre>" +
-				QUnit.diff( expected, actual ) + "</pre></td></tr>";
-		} else {
-			if ( expected.indexOf( "[object Array]" ) !== -1 ||
-					expected.indexOf( "[object Object]" ) !== -1 ) {
-				message += "<tr class='test-message'><th>Message: </th><td>" +
-					"Diff suppressed as the depth of object is more than current max depth (" +
-					QUnit.config.maxDepth + ").<p>Hint: Use <code>QUnit.dump.maxDepth</code> to " +
-					" run with a higher max depth or <a href='" + setUrl({ maxDepth: -1 }) + "'>" +
-					"Rerun</a> without max depth.</p></td></tr>";
-			}
-		}
-
-		if ( details.source ) {
-			message += "<tr class='test-source'><th>Source: </th><td><pre>" +
-				escapeText( details.source ) + "</pre></td></tr>";
-		}
-
-		message += "</table>";
-
-	// this occours when pushFailure is set and we have an extracted stack trace
-	} else if ( !details.result && details.source ) {
-		message += "<table>" +
-			"<tr class='test-source'><th>Source: </th><td><pre>" +
-			escapeText( details.source ) + "</pre></td></tr>" +
-			"</table>";
-	}
-
-	assertList = testItem.getElementsByTagName( "ol" )[ 0 ];
-
-	assertLi = document.createElement( "li" );
-	assertLi.className = details.result ? "pass" : "fail";
-	assertLi.innerHTML = message;
-	assertList.appendChild( assertLi );
-});
-
-QUnit.testDone(function( details ) {
-	var testTitle, time, testItem, assertList,
-		good, bad, testCounts, skipped,
-		tests = id( "qunit-tests" );
-
-	if ( !tests ) {
-		return;
-	}
-
-	testItem = id( "qunit-test-output-" + details.testId );
-
-	assertList = testItem.getElementsByTagName( "ol" )[ 0 ];
-
-	good = details.passed;
-	bad = details.failed;
-
-	// store result when possible
-	if ( config.reorder && defined.sessionStorage ) {
-		if ( bad ) {
-			sessionStorage.setItem( "qunit-test-" + details.module + "-" + details.name, bad );
-		} else {
-			sessionStorage.removeItem( "qunit-test-" + details.module + "-" + details.name );
-		}
-	}
-
-	if ( bad === 0 ) {
-		addClass( assertList, "qunit-collapsed" );
-	}
-
-	// testItem.firstChild is the test name
-	testTitle = testItem.firstChild;
-
-	testCounts = bad ?
-		"<b class='failed'>" + bad + "</b>, " + "<b class='passed'>" + good + "</b>, " :
-		"";
-
-	testTitle.innerHTML += " <b class='counts'>(" + testCounts +
-		details.assertions.length + ")</b>";
-
-	if ( details.skipped ) {
-		testItem.className = "skipped";
-		skipped = document.createElement( "em" );
-		skipped.className = "qunit-skipped-label";
-		skipped.innerHTML = "skipped";
-		testItem.insertBefore( skipped, testTitle );
-	} else {
-		addEvent( testTitle, "click", function() {
-			toggleClass( assertList, "qunit-collapsed" );
-		});
-
-		testItem.className = bad ? "fail" : "pass";
-
-		time = document.createElement( "span" );
-		time.className = "runtime";
-		time.innerHTML = details.runtime + " ms";
-		testItem.insertBefore( time, assertList );
-	}
-});
-
-if ( defined.document ) {
-	if ( document.readyState === "complete" ) {
-		QUnit.load();
-	} else {
-		addEvent( window, "load", QUnit.load );
-	}
-} else {
-	config.pageLoaded = true;
-	config.autorun = true;
-}
-
-})();