text: /**
   * QUnit v1.4.0 - A JavaScript Unit Testing Framework
   *
   * http://docs.jquery.com/QUnit
   *
   * Copyright (c) 2012 John Resig, Jörn Zaefferer
   * Dual licensed under the MIT (MIT-LICENSE.txt)
   * or GPL (GPL-LICENSE.txt) licenses.
   */
  
  (function(window) {
  
  var defined = {
  	setTimeout: typeof window.setTimeout !== "undefined",
  	sessionStorage: (function() {
  		var x = "qunit-test-string";
  		try {
  			sessionStorage.setItem(x, x);
  			sessionStorage.removeItem(x);
  			return true;
  		} catch(e) {
  			return false;
  		}
  	}())
  };
  
  var	testId = 0,
  	toString = Object.prototype.toString,
  	hasOwn = Object.prototype.hasOwnProperty;
  
  var Test = function(name, testName, expected, async, callback) {
  	this.name = name;
  	this.testName = testName;
  	this.expected = expected;
  	this.async = async;
  	this.callback = callback;
  	this.assertions = [];
  };
  Test.prototype = {
  	init: function() {
  		var tests = id("qunit-tests");
  		if (tests) {
  			var b = document.createElement("strong");
  				b.innerHTML = "Running " + this.name;
  			var li = document.createElement("li");
  				li.appendChild( b );
  				li.className = "running";
  				li.id = this.id = "test-output" + testId++;
  			tests.appendChild( li );
  		}
  	},
  	setup: function() {
  		if (this.module != config.previousModule) {
  			if ( config.previousModule ) {
  				runLoggingCallbacks('moduleDone', QUnit, {
  					name: config.previousModule,
  					failed: config.moduleStats.bad,
  					passed: config.moduleStats.all - config.moduleStats.bad,
  					total: config.moduleStats.all
  				} );
  			}
  			config.previousModule = this.module;
  			config.moduleStats = { all: 0, bad: 0 };
  			runLoggingCallbacks( 'moduleStart', QUnit, {
  				name: this.module
  			} );
  		} else if (config.autorun) {
  			runLoggingCallbacks( 'moduleStart', QUnit, {
  				name: this.module
  			} );
  		}
  
  		config.current = this;
  		this.testEnvironment = extend({
  			setup: function() {},
  			teardown: function() {}
  		}, this.moduleTestEnvironment);
  
  		runLoggingCallbacks( 'testStart', QUnit, {
  			name: this.testName,
  			module: this.module
  		});
  
  		// allow utility functions to access the current test environment
  		// TODO why??
  		QUnit.current_testEnvironment = this.testEnvironment;
  
  		if ( !config.pollution ) {
  			saveGlobal();
  		}
  		if ( config.notrycatch ) {
  			this.testEnvironment.setup.call(this.testEnvironment);
  			return;
  		}
  		try {
  			this.testEnvironment.setup.call(this.testEnvironment);
  		} catch(e) {
  			QUnit.pushFailure( "Setup failed on " + this.testName + ": " + e.message, extractStacktrace( e, 1 ) );
  		}
  	},
  	run: function() {
  		config.current = this;
  		if ( this.async ) {
  			QUnit.stop();
  		}
  
  		if ( config.notrycatch ) {
  			this.callback.call(this.testEnvironment);
  			return;
  		}
  		try {
  			this.callback.call(this.testEnvironment);
  		} catch(e) {
  			QUnit.pushFailure( "Died on test #" + (this.assertions.length + 1) + ": " + e.message, extractStacktrace( e, 1 ) );
  			// else next test will carry the responsibility
  			saveGlobal();
  
  			// Restart the tests if they're blocking
  			if ( config.blocking ) {
  				QUnit.start();
  			}
  		}
  	},
  	teardown: function() {
  		config.current = this;
  		if ( config.notrycatch ) {
  			this.testEnvironment.teardown.call(this.testEnvironment);
  			return;
  		} else {
  			try {
  				this.testEnvironment.teardown.call(this.testEnvironment);
  			} catch(e) {
  				QUnit.pushFailure( "Teardown failed on " + this.testName + ": " + e.message, extractStacktrace( e, 1 ) );
  			}
  		}
  		checkPollution();
  	},
  	finish: function() {
  		config.current = this;
  		if ( this.expected != null && this.expected != this.assertions.length ) {
  			QUnit.pushFailure( "Expected " + this.expected + " assertions, but " + this.assertions.length + " were run" );
  		} else if ( this.expected == null && !this.assertions.length ) {
  			QUnit.pushFailure( "Expected at least one assertion, but none were run - call expect(0) to accept zero assertions." );
  		}
  
  		var good = 0, bad = 0,
  			li, i,
  			tests = id("qunit-tests");
  
  		config.stats.all += this.assertions.length;
  		config.moduleStats.all += this.assertions.length;
  
  		if ( tests ) {
  			var ol = document.createElement("ol");
  
  			for ( i = 0; i < this.assertions.length; i++ ) {
  				var assertion = this.assertions[i];
  
  				li = document.createElement("li");
  				li.className = assertion.result ? "pass" : "fail";
  				li.innerHTML = assertion.message || (assertion.result ? "okay" : "failed");
  				ol.appendChild( li );
  
  				if ( assertion.result ) {
  					good++;
  				} else {
  					bad++;
  					config.stats.bad++;
  					config.moduleStats.bad++;
  				}
  			}
  
  			// store result when possible
  			if ( QUnit.config.reorder && defined.sessionStorage ) {
  				if (bad) {
  					sessionStorage.setItem("qunit-test-" + this.module + "-" + this.testName, bad);
  				} else {
  					sessionStorage.removeItem("qunit-test-" + this.module + "-" + this.testName);
  				}
  			}
  
  			if (bad === 0) {
  				ol.style.display = "none";
  			}
  
  			var b = document.createElement("strong");
  			b.innerHTML = this.name + " <b class='counts'>(<b class='failed'>" + bad + "</b>, <b class='passed'>" + good + "</b>, " + this.assertions.length + ")</b>";
  
  			var a = document.createElement("a");
  			a.innerHTML = "Rerun";
  			a.href = QUnit.url({ filter: getText([b]).replace(/\([^)]+\)$/, "").replace(/(^\s*|\s*$)/g, "") });
  
  			addEvent(b, "click", function() {
  				var next = b.nextSibling.nextSibling,
  					display = next.style.display;
  				next.style.display = display === "none" ? "block" : "none";
  			});
  
  			addEvent(b, "dblclick", function(e) {
  				var target = e && e.target ? e.target : window.event.srcElement;
  				if ( target.nodeName.toLowerCase() == "span" || target.nodeName.toLowerCase() == "b" ) {
  					target = target.parentNode;
  				}
  				if ( window.location && target.nodeName.toLowerCase() === "strong" ) {
  					window.location = QUnit.url({ filter: getText([target]).replace(/\([^)]+\)$/, "").replace(/(^\s*|\s*$)/g, "") });
  				}
  			});
  
  			li = id(this.id);
  			li.className = bad ? "fail" : "pass";
  			li.removeChild( li.firstChild );
  			li.appendChild( b );
  			li.appendChild( a );
  			li.appendChild( ol );
  
  		} else {
  			for ( i = 0; i < this.assertions.length; i++ ) {
  				if ( !this.assertions[i].result ) {
  					bad++;
  					config.stats.bad++;
  					config.moduleStats.bad++;
  				}
  			}
  		}
  
  		QUnit.reset();
  
  		runLoggingCallbacks( 'testDone', QUnit, {
  			name: this.testName,
  			module: this.module,
  			failed: bad,
  			passed: this.assertions.length - bad,
  			total: this.assertions.length
  		} );
  	},
  
  	queue: function() {
  		var test = this;
  		synchronize(function() {
  			test.init();
  		});
  		function run() {
  			// each of these can by async
  			synchronize(function() {
  				test.setup();
  			});
  			synchronize(function() {
  				test.run();
  			});
  			synchronize(function() {
  				test.teardown();
  			});
  			synchronize(function() {
  				test.finish();
  			});
  		}
  		// defer when previous test run passed, if storage is available
  		var bad = QUnit.config.reorder && defined.sessionStorage && +sessionStorage.getItem("qunit-test-" + this.module + "-" + this.testName);
  		if (bad) {
  			run();
  		} else {
  			synchronize(run, true);
  		}
  	}
  
  };
  
  var QUnit = {
  
  	// call on start of module test to prepend name to all tests
  	module: function(name, testEnvironment) {
  		config.currentModule = name;
  		config.currentModuleTestEnviroment = testEnvironment;
  	},
  
  	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 name = '<span class="test-name">' + escapeInnerText(testName) + '</span>';
  
  		if ( arguments.length === 2 ) {
  			callback = expected;
  			expected = null;
  		}
  
  		if ( config.currentModule ) {
  			name = '<span class="module-name">' + config.currentModule + "</span>: " + name;
  		}
  
  		if ( !validTest(config.currentModule + ": " + testName) ) {
  			return;
  		}
  
  		var test = new Test(name, testName, expected, async, callback);
  		test.module = config.currentModule;
  		test.moduleTestEnvironment = config.currentModuleTestEnviroment;
  		test.queue();
  	},
  
  	// Specify the number of expected assertions to gurantee that failed test (no assertions are run at all) don't slip through.
  	expect: function(asserts) {
  		config.current.expected = asserts;
  	},
  
  	// Asserts true.
  	// @example ok( "asdfasdf".length > 5, "There must be at least 5 chars" );
  	ok: function(result, msg) {
  		if (!config.current) {
  			throw new Error("ok() assertion outside test context, was " + sourceFromStacktrace(2));
  		}
  		result = !!result;
  		var details = {
  			result: result,
  			message: msg
  		};
  		msg = escapeInnerText(msg || (result ? "okay" : "failed"));
  		if ( !result ) {
  			var source = sourceFromStacktrace(2);
  			if (source) {
  				details.source = source;
  				msg += '<table><tr class="test-source"><th>Source: </th><td><pre>' + escapeInnerText(source) + '</pre></td></tr></table>';
  			}
  		}
  		runLoggingCallbacks( 'log', QUnit, details );
  		config.current.assertions.push({
  			result: result,
  			message: msg
  		});
  	},
  
  	// Checks that the first two arguments are equal, with an optional message. Prints out both actual and expected values.
  	// @example equal( format("Received {0} bytes.", 2), "Received 2 bytes." );
  	equal: function(actual, expected, message) {
  		QUnit.push(expected == actual, actual, expected, message);
  	},
  
  	notEqual: function(actual, expected, message) {
  		QUnit.push(expected != actual, actual, expected, message);
  	},
  
  	deepEqual: function(actual, expected, message) {
  		QUnit.push(QUnit.equiv(actual, expected), actual, expected, message);
  	},
  
  	notDeepEqual: function(actual, expected, message) {
  		QUnit.push(!QUnit.equiv(actual, expected), actual, expected, message);
  	},
  
  	strictEqual: function(actual, expected, message) {
  		QUnit.push(expected === actual, actual, expected, message);
  	},
  
  	notStrictEqual: function(actual, expected, message) {
  		QUnit.push(expected !== actual, actual, expected, message);
  	},
  
  	raises: function(block, expected, message) {
  		var actual, ok = false;
  
  		if (typeof expected === 'string') {
  			message = expected;
  			expected = null;
  		}
  
  		try {
  			block();
  		} catch (e) {
  			actual = e;
  		}
  
  		if (actual) {
  			// we don't want to validate thrown error
  			if (!expected) {
  				ok = true;
  			// expected is a regexp
  			} else if (QUnit.objectType(expected) === "regexp") {
  				ok = expected.test(actual);
  			// expected is a constructor
  			} else if (actual instanceof expected) {
  				ok = true;
  			// expected is a validation function which returns true is validation passed
  			} else if (expected.call({}, actual) === true) {
  				ok = true;
  			}
  		}
  
  		QUnit.ok(ok, message);
  	},
  
  	start: function(count) {
  		config.semaphore -= count || 1;
  		if (config.semaphore > 0) {
  			// don't start until equal number of stop-calls
  			return;
  		}
  		if (config.semaphore < 0) {
  			// ignore if start is called more often then stop
  			config.semaphore = 0;
  		}
  		// A slight delay, to avoid any current callbacks
  		if ( defined.setTimeout ) {
  			window.setTimeout(function() {
  				if (config.semaphore > 0) {
  					return;
  				}
  				if ( config.timeout ) {
  					clearTimeout(config.timeout);
  				}
  
  				config.blocking = false;
  				process(true);
  			}, 13);
  		} else {
  			config.blocking = false;
  			process(true);
  		}
  	},
  
  	stop: function(count) {
  		config.semaphore += count || 1;
  		config.blocking = true;
  
  		if ( config.testTimeout && defined.setTimeout ) {
  			clearTimeout(config.timeout);
  			config.timeout = window.setTimeout(function() {
  				QUnit.ok( false, "Test timed out" );
  				config.semaphore = 1;
  				QUnit.start();
  			}, config.testTimeout);
  		}
  	}
  };
  
  //We want access to the constructor's prototype
  (function() {
  	function F(){}
  	F.prototype = QUnit;
  	QUnit = new F();
  	//Make F QUnit's constructor so that we can add to the prototype later
  	QUnit.constructor = F;
  }());
  
  // deprecated; still export them to window to provide clear error messages
  // next step: remove entirely
  QUnit.equals = function() {
  	QUnit.push(false, false, false, "QUnit.equals has been deprecated since 2009 (e88049a0), use QUnit.equal instead");
  };
  QUnit.same = function() {
  	QUnit.push(false, false, false, "QUnit.same has been deprecated since 2009 (e88049a0), use QUnit.deepEqual instead");
  };
  
  // Maintain internal state
  var config = {
  	// The queue of tests to run
  	queue: [],
  
  	// block until document ready
  	blocking: true,
  
  	// when enabled, show only failing tests
  	// gets persisted through sessionStorage and can be changed in UI via checkbox
  	hidepassed: false,
  
  	// by default, run previously failed tests first
  	// very useful in combination with "Hide passed tests" checked
  	reorder: true,
  
  	// by default, modify document.title when suite is done
  	altertitle: true,
  
  	urlConfig: ['noglobals', 'notrycatch'],
  
  	//logging callback queues
  	begin: [],
  	done: [],
  	log: [],
  	testStart: [],
  	testDone: [],
  	moduleStart: [],
  	moduleDone: []
  };
  
  // Load paramaters
  (function() {
  	var location = window.location || { search: "", protocol: "file:" },
  		params = location.search.slice( 1 ).split( "&" ),
  		length = params.length,
  		urlParams = {},
  		current;
  
  	if ( params[ 0 ] ) {
  		for ( var i = 0; i < length; i++ ) {
  			current = params[ i ].split( "=" );
  			current[ 0 ] = decodeURIComponent( current[ 0 ] );
  			// allow just a key to turn on a flag, e.g., test.html?noglobals
  			current[ 1 ] = current[ 1 ] ? decodeURIComponent( current[ 1 ] ) : true;
  			urlParams[ current[ 0 ] ] = current[ 1 ];
  		}
  	}
  
  	QUnit.urlParams = urlParams;
  	config.filter = urlParams.filter;
  
  	// Figure out if we're running the tests from a server or not
  	QUnit.isLocal = location.protocol === 'file:';
  }());
  
  // Expose the API as global variables, unless an 'exports'
  // object exists, in that case we assume we're in CommonJS - export everything at the end
  if ( typeof exports === "undefined" || typeof require === "undefined" ) {
  	extend(window, QUnit);
  	window.QUnit = QUnit;
  }
  
  // define these after exposing globals to keep them in these QUnit namespace only
  extend(QUnit, {
  	config: config,
  
  	// Initialize the configuration options
  	init: function() {
  		extend(config, {
  			stats: { all: 0, bad: 0 },
  			moduleStats: { all: 0, bad: 0 },
  			started: +new Date(),
  			updateRate: 1000,
  			blocking: false,
  			autostart: true,
  			autorun: false,
  			filter: "",
  			queue: [],
  			semaphore: 0
  		});
  
  		var qunit = id( "qunit" );
  		if ( qunit ) {
  			qunit.innerHTML =
  				'<h1 id="qunit-header">' + escapeInnerText( document.title ) + '</h1>' +
  				'<h2 id="qunit-banner"></h2>' +
  				'<div id="qunit-testrunner-toolbar"></div>' +
  				'<h2 id="qunit-userAgent"></h2>' +
  				'<ol id="qunit-tests"></ol>';
  		}
  
  		var tests = id( "qunit-tests" ),
  			banner = id( "qunit-banner" ),
  			result = id( "qunit-testresult" );
  
  		if ( tests ) {
  			tests.innerHTML = "";
  		}
  
  		if ( banner ) {
  			banner.className = "";
  		}
  
  		if ( result ) {
  			result.parentNode.removeChild( result );
  		}
  
  		if ( tests ) {
  			result = document.createElement( "p" );
  			result.id = "qunit-testresult";
  			result.className = "result";
  			tests.parentNode.insertBefore( result, tests );
  			result.innerHTML = 'Running...<br/>&nbsp;';
  		}
  	},
  
  	// Resets the test setup. Useful for tests that modify the DOM.
  	// If jQuery is available, uses jQuery's html(), otherwise just innerHTML.
  	reset: function() {
  		if ( window.jQuery ) {
  			jQuery( "#qunit-fixture" ).html( config.fixture );
  		} else {
  			var main = id( 'qunit-fixture' );
  			if ( main ) {
  				main.innerHTML = config.fixture;
  			}
  		}
  	},
  
  	// Trigger an event on an element.
  	// @example triggerEvent( document.body, "click" );
  	triggerEvent: function( elem, type, event ) {
  		if ( document.createEvent ) {
  			event = document.createEvent("MouseEvents");
  			event.initMouseEvent(type, true, true, elem.ownerDocument.defaultView,
  				0, 0, 0, 0, 0, false, false, false, false, 0, null);
  			elem.dispatchEvent( event );
  
  		} else if ( elem.fireEvent ) {
  			elem.fireEvent("on"+type);
  		}
  	},
  
  	// Safe object type checking
  	is: function( type, obj ) {
  		return QUnit.objectType( obj ) == type;
  	},
  
  	objectType: function( obj ) {
  		if (typeof obj === "undefined") {
  				return "undefined";
  
  		// consider: typeof null === object
  		}
  		if (obj === null) {
  				return "null";
  		}
  
  		var type = toString.call( obj ).match(/^\[object\s(.*)\]$/)[1] || '';
  
  		switch (type) {
  			case 'Number':
  				if (isNaN(obj)) {
  					return "nan";
  				}
  				return "number";
  			case 'String':
  			case 'Boolean':
  			case 'Array':
  			case 'Date':
  			case 'RegExp':
  			case 'Function':
  					return type.toLowerCase();
  		}
  		if (typeof obj === "object") {
  				return "object";
  		}
  		return undefined;
  	},
  
  	push: function(result, actual, expected, message) {
  		if (!config.current) {
  			throw new Error("assertion outside test context, was " + sourceFromStacktrace());
  		}
  		var details = {
  			result: result,
  			message: message,
  			actual: actual,
  			expected: expected
  		};
  
  		message = escapeInnerText(message) || (result ? "okay" : "failed");
  		message = '<span class="test-message">' + message + "</span>";
  		var output = message;
  		if (!result) {
  			expected = escapeInnerText(QUnit.jsDump.parse(expected));
  			actual = escapeInnerText(QUnit.jsDump.parse(actual));
  			output += '<table><tr class="test-expected"><th>Expected: </th><td><pre>' + expected + '</pre></td></tr>';
  			if (actual != expected) {
  				output += '<tr class="test-actual"><th>Result: </th><td><pre>' + actual + '</pre></td></tr>';
  				output += '<tr class="test-diff"><th>Diff: </th><td><pre>' + QUnit.diff(expected, actual) +'</pre></td></tr>';
  			}
  			var source = sourceFromStacktrace();
  			if (source) {
  				details.source = source;
  				output += '<tr class="test-source"><th>Source: </th><td><pre>' + escapeInnerText(source) + '</pre></td></tr>';
  			}
  			output += "</table>";
  		}
  
  		runLoggingCallbacks( 'log', QUnit, details );
  
  		config.current.assertions.push({
  			result: !!result,
  			message: output
  		});
  	},
  
  	pushFailure: function(message, source) {
  		var details = {
  			result: false,
  			message: message
  		};
  		var output = escapeInnerText(message);
  		if (source) {
  			details.source = source;
  			output += '<table><tr class="test-source"><th>Source: </th><td><pre>' + escapeInnerText(source) + '</pre></td></tr></table>';
  		}
  		runLoggingCallbacks( 'log', QUnit, details );
  		config.current.assertions.push({
  			result: false,
  			message: output
  		});
  	},
  
  	url: function( params ) {
  		params = extend( extend( {}, QUnit.urlParams ), params );
  		var querystring = "?",
  			key;
  		for ( key in params ) {
  			if ( !hasOwn.call( params, key ) ) {
  				continue;
  			}
  			querystring += encodeURIComponent( key ) + "=" +
  				encodeURIComponent( params[ key ] ) + "&";
  		}
  		return window.location.pathname + querystring.slice( 0, -1 );
  	},
  
  	extend: extend,
  	id: id,
  	addEvent: addEvent
  });
  
  //QUnit.constructor is set to the empty F() above so that we can add to it's prototype later
  //Doing this allows us to tell if the following methods have been overwritten on the actual
  //QUnit object, which is a deprecated way of using the callbacks.
  extend(QUnit.constructor.prototype, {
  	// Logging callbacks; all receive a single argument with the listed properties
  	// run test/logs.html for any related changes
  	begin: registerLoggingCallback('begin'),
  	// done: { failed, passed, total, runtime }
  	done: registerLoggingCallback('done'),
  	// log: { result, actual, expected, message }
  	log: registerLoggingCallback('log'),
  	// testStart: { name }
  	testStart: registerLoggingCallback('testStart'),
  	// testDone: { name, failed, passed, total }
  	testDone: registerLoggingCallback('testDone'),
  	// moduleStart: { name }
  	moduleStart: registerLoggingCallback('moduleStart'),
  	// moduleDone: { name, failed, passed, total }
  	moduleDone: registerLoggingCallback('moduleDone')
  });
  
  if ( typeof document === "undefined" || document.readyState === "complete" ) {
  	config.autorun = true;
  }
  
  QUnit.load = function() {
  	runLoggingCallbacks( 'begin', QUnit, {} );
  
  	// Initialize the config, saving the execution queue
  	var oldconfig = extend({}, config);
  	QUnit.init();
  	extend(config, oldconfig);
  
  	config.blocking = false;
  
  	var urlConfigHtml = '', len = config.urlConfig.length;
  	for ( var i = 0, val; i < len; i++ ) {
  		val = config.urlConfig[i];
  		config[val] = QUnit.urlParams[val];
  		urlConfigHtml += '<label><input name="' + val + '" type="checkbox"' + ( config[val] ? ' checked="checked"' : '' ) + '>' + val + '</label>';
  	}
  
  	var userAgent = id("qunit-userAgent");
  	if ( userAgent ) {
  		userAgent.innerHTML = navigator.userAgent;
  	}
  	var banner = id("qunit-header");
  	if ( banner ) {
  		banner.innerHTML = '<a href="' + QUnit.url({ filter: undefined }) + '"> ' + banner.innerHTML + '</a> ' + urlConfigHtml;
  		addEvent( banner, "change", function( event ) {
  			var params = {};
  			params[ event.target.name ] = event.target.checked ? true : undefined;
  			window.location = QUnit.url( params );
  		});
  	}
  
  	var toolbar = id("qunit-testrunner-toolbar");
  	if ( toolbar ) {
  		var filter = document.createElement("input");
  		filter.type = "checkbox";
  		filter.id = "qunit-filter-pass";
  		addEvent( filter, "click", function() {
  			var ol = document.getElementById("qunit-tests");
  			if ( filter.checked ) {
  				ol.className = ol.className + " hidepass";
  			} else {
  				var tmp = " " + ol.className.replace( /[\n\t\r]/g, " " ) + " ";
  				ol.className = tmp.replace(/ hidepass /, " ");
  			}
  			if ( defined.sessionStorage ) {
  				if (filter.checked) {
  					sessionStorage.setItem("qunit-filter-passed-tests", "true");
  				} else {
  					sessionStorage.removeItem("qunit-filter-passed-tests");
  				}
  			}
  		});
  		if ( config.hidepassed || defined.sessionStorage && sessionStorage.getItem("qunit-filter-passed-tests") ) {
  			filter.checked = true;
  			var ol = document.getElementById("qunit-tests");
  			ol.className = ol.className + " hidepass";
  		}
  		toolbar.appendChild( filter );
  
  		var label = document.createElement("label");
  		label.setAttribute("for", "qunit-filter-pass");
  		label.innerHTML = "Hide passed tests";
  		toolbar.appendChild( label );
  	}
  
  	var main = id('qunit-fixture');
  	if ( main ) {
  		config.fixture = main.innerHTML;
  	}
  
  	if (config.autostart) {
  		QUnit.start();
  	}
  };
  
  addEvent(window, "load", QUnit.load);
  
  // addEvent(window, "error") gives us a useless event object
  window.onerror = function( message, file, line ) {
  	if ( QUnit.config.current ) {
  		QUnit.pushFailure( message, file + ":" + line );
  	} else {
  		QUnit.test( "global failure", function() {
  			QUnit.pushFailure( message, file + ":" + line );
  		});
  	}
  };
  
  function done() {
  	config.autorun = true;
  
  	// Log the last module results
  	if ( config.currentModule ) {
  		runLoggingCallbacks( 'moduleDone', QUnit, {
  			name: config.currentModule,
  			failed: config.moduleStats.bad,
  			passed: config.moduleStats.all - config.moduleStats.bad,
  			total: config.moduleStats.all
  		} );
  	}
  
  	var banner = id("qunit-banner"),
  		tests = id("qunit-tests"),
  		runtime = +new Date() - config.started,
  		passed = config.stats.all - config.stats.bad,
  		html = [
  			'Tests completed in ',
  			runtime,
  			' milliseconds.<br/>',
  			'<span class="passed">',
  			passed,
  			'</span> tests of <span class="total">',
  			config.stats.all,
  			'</span> passed, <span class="failed">',
  			config.stats.bad,
  			'</span> failed.'
  		].join('');
  
  	if ( banner ) {
  		banner.className = (config.stats.bad ? "qunit-fail" : "qunit-pass");
  	}
  
  	if ( tests ) {
  		id( "qunit-testresult" ).innerHTML = html;
  	}
  
  	if ( config.altertitle && typeof document !== "undefined" && document.title ) {
  		// show ✖ for good, ✔ for bad suite result in title
  		// use escape sequences in case file gets loaded with non-utf-8-charset
  		document.title = [
  			(config.stats.bad ? "\u2716" : "\u2714"),
  			document.title.replace(/^[\u2714\u2716] /i, "")
  		].join(" ");
  	}
  
  	// clear own sessionStorage items if all tests passed
  	if ( config.reorder && defined.sessionStorage && config.stats.bad === 0 ) {
  		for (var key in sessionStorage) {
  			if (sessionStorage.hasOwnProperty(key) && key.indexOf("qunit-test-") === 0 ) {
  				sessionStorage.removeItem(key);
  			}
  		}
  	}
  
  	runLoggingCallbacks( 'done', QUnit, {
  		failed: config.stats.bad,
  		passed: passed,
  		total: config.stats.all,
  		runtime: runtime
  	} );
  }
  
  function validTest( name ) {
  	var filter = config.filter,
  		run = false;
  
  	if ( !filter ) {
  		return true;
  	}
  
  	var not = filter.charAt( 0 ) === "!";
  	if ( not ) {
  		filter = filter.slice( 1 );
  	}
  
  	if ( name.indexOf( filter ) !== -1 ) {
  		return !not;
  	}
  
  	if ( not ) {
  		run = true;
  	}
  
  	return run;
  }
  
  // so far supports only Firefox, Chrome and Opera (buggy)
  // could be extended in the future to use something like https://github.com/csnover/TraceKit
  function extractStacktrace( e, offset ) {
  	offset = offset || 3;
  	if (e.stacktrace) {
  		// Opera
  		return e.stacktrace.split("\n")[offset + 3];
  	} else if (e.stack) {
  		// Firefox, Chrome
  		var stack = e.stack.split("\n");
  		if (/^error$/i.test(stack[0])) {
  			stack.shift();
  		}
  		return stack[offset];
  	} else if (e.sourceURL) {
  		// Safari, PhantomJS
  		// hopefully one day Safari provides actual stacktraces
  		// exclude useless self-reference for generated Error objects
  		if ( /qunit.js$/.test( e.sourceURL ) ) {
  			return;
  		}
  		// for actual exceptions, this is useful
  		return e.sourceURL + ":" + e.line;
  	}
  }
  function sourceFromStacktrace(offset) {
  	try {
  		throw new Error();
  	} catch ( e ) {
  		return extractStacktrace( e, offset );
  	}
  }
  
  function escapeInnerText(s) {
  	if (!s) {
  		return "";
  	}
  	s = s + "";
  	return s.replace(/[\&<>]/g, function(s) {
  		switch(s) {
  			case "&": return "&amp;";
  			case "<": return "&lt;";
  			case ">": return "&gt;";
  			default: return s;
  		}
  	});
  }
  
  function synchronize( callback, last ) {
  	config.queue.push( callback );
  
  	if ( config.autorun && !config.blocking ) {
  		process(last);
  	}
  }
  
  function process( last ) {
  	function next() {
  		process( last );
  	}
  	var start = new Date().getTime();
  	config.depth = config.depth ? config.depth + 1 : 1;
  
  	while ( config.queue.length && !config.blocking ) {
  		if ( !defined.setTimeout || config.updateRate <= 0 || ( ( new Date().getTime() - start ) < config.updateRate ) ) {
  			config.queue.shift()();
  		} else {
  			window.setTimeout( next, 13 );
  			break;
  		}
  	}
  	config.depth--;
  	if ( last && !config.blocking && !config.queue.length && config.depth === 0 ) {
  		done();
  	}
  }
  
  function saveGlobal() {
  	config.pollution = [];
  
  	if ( config.noglobals ) {
  		for ( var key in window ) {
  			if ( !hasOwn.call( window, key ) ) {
  				continue;
  			}
  			config.pollution.push( key );
  		}
  	}
  }
  
  function checkPollution( name ) {
  	var old = config.pollution;
  	saveGlobal();
  
  	var newGlobals = diff( config.pollution, old );
  	if ( newGlobals.length > 0 ) {
  		QUnit.pushFailure( "Introduced global variable(s): " + newGlobals.join(", ") );
  	}
  
  	var 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 result = a.slice();
  	for ( var i = 0; i < result.length; i++ ) {
  		for ( var j = 0; j < b.length; j++ ) {
  			if ( result[i] === b[j] ) {
  				result.splice(i, 1);
  				i--;
  				break;
  			}
  		}
  	}
  	return result;
  }
  
  function extend(a, b) {
  	for ( var prop in b ) {
  		if ( b[prop] === undefined ) {
  			delete a[prop];
  
  		// Avoid "Member not found" error in IE8 caused by setting window.constructor
  		} else if ( prop !== "constructor" || a !== window ) {
  			a[prop] = b[prop];
  		}
  	}
  
  	return a;
  }
  
  function addEvent(elem, type, fn) {
  	if ( elem.addEventListener ) {
  		elem.addEventListener( type, fn, false );
  	} else if ( elem.attachEvent ) {
  		elem.attachEvent( "on" + type, fn );
  	} else {
  		fn();
  	}
  }
  
  function id(name) {
  	return !!(typeof document !== "undefined" && document && document.getElementById) &&
  		document.getElementById( name );
  }
  
  function registerLoggingCallback(key){
  	return function(callback){
  		config[key].push( callback );
  	};
  }
  
  // Supports deprecated method of completely overwriting logging callbacks
  function runLoggingCallbacks(key, scope, args) {
  	//debugger;
  	var callbacks;
  	if ( QUnit.hasOwnProperty(key) ) {
  		QUnit[key].call(scope, args);
  	} else {
  		callbacks = config[key];
  		for( var i = 0; i < callbacks.length; i++ ) {
  			callbacks[i].call( scope, args );
  		}
  	}
  }
  
  // Test for equality any JavaScript type.
  // Author: Philippe Rathé <prathe@gmail.com>
  QUnit.equiv = (function() {
  
  	var innerEquiv; // the real equiv function
  	var callers = []; // stack to decide between skip/abort functions
  	var parents = []; // stack to avoiding loops from circular referencing
  
  	// 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
  			}
  		}
  	}
  
  	var getProto = Object.getPrototypeOf || function (obj) {
  		return obj.__proto__;
  	};
  
  	var callbacks = (function () {
  
  		// for string, boolean, number and null
  		function useStrictEquality(b, a) {
  			if (b instanceof a.constructor || a instanceof b.constructor) {
  				// to catch short annotaion VS 'new' annotation of a
  				// declaration
  				// e.g. var i = 1;
  				// var j = new Number(1);
  				return a == b;
  			} else {
  				return a === b;
  			}
  		}
  
  		return {
  			"string" : useStrictEquality,
  			"boolean" : useStrictEquality,
  			"number" : useStrictEquality,
  			"null" : useStrictEquality,
  			"undefined" : useStrictEquality,
  
  			"nan" : function(b) {
  				return isNaN(b);
  			},
  
  			"date" : function(b, a) {
  				return QUnit.objectType(b) === "date" && a.valueOf() === b.valueOf();
  			},
  
  			"regexp" : function(b, a) {
  				return QUnit.objectType(b) === "regexp" &&
  					// the regex itself
  					a.source === b.source &&
  					// and its modifers
  					a.global === b.global &&
  					// (gmi) ...
  					a.ignoreCase === b.ignoreCase &&
  					a.multiline === b.multiline;
  			},
  
  			// - 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, loop;
  				var len;
  
  				// b could be an object literal here
  				if (QUnit.objectType(b) !== "array") {
  					return false;
  				}
  
  				len = a.length;
  				if (len !== b.length) { // safe and faster
  					return false;
  				}
  
  				// track reference to avoid circular references
  				parents.push(a);
  				for (i = 0; i < len; i++) {
  					loop = false;
  					for (j = 0; j < parents.length; j++) {
  						if (parents[j] === a[i]) {
  							loop = true;// dont rewalk array
  						}
  					}
  					if (!loop && !innerEquiv(a[i], b[i])) {
  						parents.pop();
  						return false;
  					}
  				}
  				parents.pop();
  				return true;
  			},
  
  			"object" : function(b, a) {
  				var i, j, loop;
  				var eq = true; // unless we can proove it
  				var aProperties = [], bProperties = []; // collection of
  														// strings
  
  				// comparing constructors is more strict than using
  				// instanceof
  				if (a.constructor !== b.constructor) {
  					// Allow objects with no prototype to be equivalent to
  					// objects with Object as their constructor.
  					if (!((getProto(a) === null && getProto(b) === Object.prototype) ||
  						(getProto(b) === null && getProto(a) === Object.prototype)))
  					{
  						return false;
  					}
  				}
  
  				// stack constructor before traversing properties
  				callers.push(a.constructor);
  				// track reference to avoid circular references
  				parents.push(a);
  
  				for (i in a) { // be strict: don't ensures hasOwnProperty
  								// and go deep
  					loop = false;
  					for (j = 0; j < parents.length; j++) {
  						if (parents[j] === a[i]) {
  							// don't go down the same path twice
  							loop = true;
  						}
  					}
  					aProperties.push(i); // collect a's properties
  
  					if (!loop && !innerEquiv(a[i], b[i])) {
  						eq = false;
  						break;
  					}
  				}
  
  				callers.pop(); // unstack, we are done
  				parents.pop();
  
  				for (i in b) {
  					bProperties.push(i); // collect b's properties
  				}
  
  				// Ensures identical properties name
  				return eq && innerEquiv(aProperties.sort(), bProperties.sort());
  			}
  		};
  	}());
  
  	innerEquiv = function() { // can take multiple arguments
  		var args = Array.prototype.slice.apply(arguments);
  		if (args.length < 2) {
  			return true; // end transition
  		}
  
  		return (function(a, b) {
  			if (a === b) {
  				return true; // catch the most you can
  			} else if (a === null || b === null || typeof a === "undefined" ||
  					typeof b === "undefined" ||
  					QUnit.objectType(a) !== QUnit.objectType(b)) {
  				return false; // don't lose time with error prone cases
  			} else {
  				return bindCallbacks(a, callbacks, [ b, a ]);
  			}
  
  			// apply transition with (1..n) arguments
  		}(args[0], args[1]) && arguments.callee.apply(this, args.splice(1, args.length - 1)));
  	};
  
  	return innerEquiv;
  
  }());
  
  /**
   * jsDump Copyright (c) 2008 Ariel Flesler - aflesler(at)gmail(dot)com |
   * http://flesler.blogspot.com Licensed under BSD
   * (http://www.opensource.org/licenses/bsd-license.php) Date: 5/15/2008
   *
   * @projectDescription Advanced and extensible data dumping for Javascript.
   * @version 1.0.0
   * @author Ariel Flesler
   * @link {http://flesler.blogspot.com/2008/05/jsdump-pretty-dump-of-any-javascript.html}
   */
  QUnit.jsDump = (function() {
  	function quote( str ) {
  		return '"' + str.toString().replace(/"/g, '\\"') + '"';
  	}
  	function literal( o ) {
  		return o + '';
  	}
  	function join( pre, arr, post ) {
  		var s = jsDump.separator(),
  			base = jsDump.indent(),
  			inner = jsDump.indent(1);
  		if ( arr.join ) {
  			arr = arr.join( ',' + s + inner );
  		}
  		if ( !arr ) {
  			return pre + post;
  		}
  		return [ pre, inner + arr, base + post ].join(s);
  	}
  	function array( arr, stack ) {
  		var i = arr.length, ret = new Array(i);
  		this.up();
  		while ( i-- ) {
  			ret[i] = this.parse( arr[i] , undefined , stack);
  		}
  		this.down();
  		return join( '[', ret, ']' );
  	}
  
  	var reName = /^function (\w+)/;
  
  	var jsDump = {
  		parse: function( obj, type, stack ) { //type is used mostly internally, you can fix a (custom)type in advance
  			stack = stack || [ ];
  			var parser = this.parsers[ type || this.typeOf(obj) ];
  			type = typeof parser;
  			var inStack = inArray(obj, stack);
  			if (inStack != -1) {
  				return 'recursion('+(inStack - stack.length)+')';
  			}
  			//else
  			if (type == 'function')  {
  					stack.push(obj);
  					var res = parser.call( this, obj, stack );
  					stack.pop();
  					return res;
  			}
  			// else
  			return (type == 'string') ? parser : this.parsers.error;
  		},
  		typeOf: function( obj ) {
  			var type;
  			if ( obj === null ) {
  				type = "null";
  			} else if (typeof obj === "undefined") {
  				type = "undefined";
  			} else if (QUnit.is("RegExp", obj)) {
  				type = "regexp";
  			} else if (QUnit.is("Date", obj)) {
  				type = "date";
  			} else if (QUnit.is("Function", obj)) {
  				type = "function";
  			} else if (typeof obj.setInterval !== undefined && typeof obj.document !== "undefined" && typeof obj.nodeType === "undefined") {
  				type = "window";
  			} else if (obj.nodeType === 9) {
  				type = "document";
  			} else if (obj.nodeType) {
  				type = "node";
  			} else if (
  				// native arrays
  				toString.call( obj ) === "[object Array]" ||
  				// NodeList objects
  				( typeof obj.length === "number" && typeof obj.item !== "undefined" && ( obj.length ? obj.item(0) === obj[0] : ( obj.item( 0 ) === null && typeof obj[0] === "undefined" ) ) )
  			) {
  				type = "array";
  			} else {
  				type = typeof obj;
  			}
  			return type;
  		},
  		separator: function() {
  			return this.multiline ?	this.HTML ? '<br />' : '\n' : this.HTML ? '&nbsp;' : ' ';
  		},
  		indent: function( extra ) {// extra can be a number, shortcut for increasing-calling-decreasing
  			if ( !this.multiline ) {
  				return '';
  			}
  			var chr = this.indentChar;
  			if ( this.HTML ) {
  				chr = chr.replace(/\t/g,'   ').replace(/ /g,'&nbsp;');
  			}
  			return new Array( this._depth_ + (extra||0) ).join(chr);
  		},
  		up: function( a ) {
  			this._depth_ += a || 1;
  		},
  		down: function( a ) {
  			this._depth_ -= a || 1;
  		},
  		setParser: function( name, parser ) {
  			this.parsers[name] = parser;
  		},
  		// The next 3 are exposed so you can use them
  		quote: quote,
  		literal: literal,
  		join: join,
  		//
  		_depth_: 1,
  		// This is the list of parsers, to modify them, use jsDump.setParser
  		parsers: {
  			window: '[Window]',
  			document: '[Document]',
  			error: '[ERROR]', //when no parser is found, shouldn't happen
  			unknown: '[Unknown]',
  			'null': 'null',
  			'undefined': 'undefined',
  			'function': function( fn ) {
  				var ret = 'function',
  					name = 'name' in fn ? fn.name : (reName.exec(fn)||[])[1];//functions never have name in IE
  				if ( name ) {
  					ret += ' ' + name;
  				}
  				ret += '(';
  
  				ret = [ ret, QUnit.jsDump.parse( fn, 'functionArgs' ), '){'].join('');
  				return join( ret, QUnit.jsDump.parse(fn,'functionCode'), '}' );
  			},
  			array: array,
  			nodelist: array,
  			'arguments': array,
  			object: function( map, stack ) {
  				var ret = [ ], keys, key, val, i;
  				QUnit.jsDump.up();
  				if (Object.keys) {
  					keys = Object.keys( map );
  				} else {
  					keys = [];
  					for (key in map) { keys.push( key ); }
  				}
  				keys.sort();
  				for (i = 0; i < keys.length; i++) {
  					key = keys[ i ];
  					val = map[ key ];
  					ret.push( QUnit.jsDump.parse( key, 'key' ) + ': ' + QUnit.jsDump.parse( val, undefined, stack ) );
  				}
  				QUnit.jsDump.down();
  				return join( '{', ret, '}' );
  			},
  			node: function( node ) {
  				var open = QUnit.jsDump.HTML ? '&lt;' : '<',
  					close = QUnit.jsDump.HTML ? '&gt;' : '>';
  
  				var tag = node.nodeName.toLowerCase(),
  					ret = open + tag;
  
  				for ( var a in QUnit.jsDump.DOMAttrs ) {
  					var val = node[QUnit.jsDump.DOMAttrs[a]];
  					if ( val ) {
  						ret += ' ' + a + '=' + QUnit.jsDump.parse( val, 'attribute' );
  					}
  				}
  				return ret + close + open + '/' + tag + close;
  			},
  			functionArgs: function( fn ) {//function calls it internally, it's the arguments part of the function
  				var l = fn.length;
  				if ( !l ) {
  					return '';
  				}
  
  				var args = new Array(l);
  				while ( l-- ) {
  					args[l] = String.fromCharCode(97+l);//97 is 'a'
  				}
  				return ' ' + args.join(', ') + ' ';
  			},
  			key: quote, //object calls it internally, the key part of an item in a map
  			functionCode: '[code]', //function calls it internally, it's the content of the function
  			attribute: quote, //node calls it internally, it's an html attribute value
  			string: quote,
  			date: quote,
  			regexp: literal, //regex
  			number: literal,
  			'boolean': literal
  		},
  		DOMAttrs:{//attributes to dump from nodes, name=>realName
  			id:'id',
  			name:'name',
  			'class':'className'
  		},
  		HTML:false,//if true, entities are escaped ( <, >, \t, space and \n )
  		indentChar:'  ',//indentation unit
  		multiline:true //if true, items in a collection, are separated by a \n, else just a space.
  	};
  
  	return jsDump;
  }());
  
  // from Sizzle.js
  function getText( elems ) {
  	var ret = "", elem;
  
  	for ( var i = 0; elems[i]; i++ ) {
  		elem = elems[i];
  
  		// Get the text from text nodes and CDATA nodes
  		if ( elem.nodeType === 3 || elem.nodeType === 4 ) {
  			ret += elem.nodeValue;
  
  		// Traverse everything else, except comment nodes
  		} else if ( elem.nodeType !== 8 ) {
  			ret += getText( elem.childNodes );
  		}
  	}
  
  	return ret;
  }
  
  //from jquery.js
  function inArray( elem, array ) {
  	if ( array.indexOf ) {
  		return array.indexOf( elem );
  	}
  
  	for ( var i = 0, length = array.length; i < length; i++ ) {
  		if ( array[ i ] === elem ) {
  			return i;
  		}
  	}
  
  	return -1;
  }
  
  /*
   * Javascript Diff Algorithm
   *  By John Resig (http://ejohn.org/)
   *  Modified by Chu Alan "sprite"
   *
   * Released under the MIT license.
   *
   * More Info:
   *  http://ejohn.org/projects/javascript-diff-algorithm/
   *
   * Usage: QUnit.diff(expected, actual)
   *
   * QUnit.diff("the quick brown fox jumped over", "the quick fox jumps over") == "the  quick <del>brown </del> fox <del>jumped </del><ins>jumps </ins> over"
   */
  QUnit.diff = (function() {
  	function diff(o, n) {
  		var ns = {};
  		var os = {};
  		var i;
  
  		for (i = 0; i < n.length; i++) {
  			if (ns[n[i]] == null) {
  				ns[n[i]] = {
  					rows: [],
  					o: null
  				};
  			}
  			ns[n[i]].rows.push(i);
  		}
  
  		for (i = 0; i < o.length; i++) {
  			if (os[o[i]] == null) {
  				os[o[i]] = {
  					rows: [],
  					n: null
  				};
  			}
  			os[o[i]].rows.push(i);
  		}
  
  		for (i in ns) {
  			if ( !hasOwn.call( ns, i ) ) {
  				continue;
  			}
  			if (ns[i].rows.length == 1 && typeof(os[i]) != "undefined" && os[i].rows.length == 1) {
  				n[ns[i].rows[0]] = {
  					text: n[ns[i].rows[0]],
  					row: os[i].rows[0]
  				};
  				o[os[i].rows[0]] = {
  					text: o[os[i].rows[0]],
  					row: ns[i].rows[0]
  				};
  			}
  		}
  
  		for (i = 0; i < n.length - 1; i++) {
  			if (n[i].text != null && n[i + 1].text == null && n[i].row + 1 < o.length && o[n[i].row + 1].text == null &&
  			n[i + 1] == o[n[i].row + 1]) {
  				n[i + 1] = {
  					text: n[i + 1],
  					row: n[i].row + 1
  				};
  				o[n[i].row + 1] = {
  					text: o[n[i].row + 1],
  					row: i + 1
  				};
  			}
  		}
  
  		for (i = n.length - 1; i > 0; i--) {
  			if (n[i].text != null && n[i - 1].text == null && n[i].row > 0 && o[n[i].row - 1].text == null &&
  			n[i - 1] == o[n[i].row - 1]) {
  				n[i - 1] = {
  					text: n[i - 1],
  					row: n[i].row - 1
  				};
  				o[n[i].row - 1] = {
  					text: o[n[i].row - 1],
  					row: i - 1
  				};
  			}
  		}
  
  		return {
  			o: o,
  			n: n
  		};
  	}
  
  	return function(o, n) {
  		o = o.replace(/\s+$/, '');
  		n = n.replace(/\s+$/, '');
  		var out = diff(o === "" ? [] : o.split(/\s+/), n === "" ? [] : n.split(/\s+/));
  
  		var str = "";
  		var i;
  
  		var oSpace = o.match(/\s+/g);
  		if (oSpace == null) {
  			oSpace = [" "];
  		}
  		else {
  			oSpace.push(" ");
  		}
  		var nSpace = n.match(/\s+/g);
  		if (nSpace == null) {
  			nSpace = [" "];
  		}
  		else {
  			nSpace.push(" ");
  		}
  
  		if (out.n.length === 0) {
  			for (i = 0; i < out.o.length; i++) {
  				str += '<del>' + out.o[i] + oSpace[i] + "</del>";
  			}
  		}
  		else {
  			if (out.n[0].text == null) {
  				for (n = 0; n < out.o.length && out.o[n].text == null; n++) {
  					str += '<del>' + out.o[n] + oSpace[n] + "</del>";
  				}
  			}
  
  			for (i = 0; i < out.n.length; i++) {
  				if (out.n[i].text == null) {
  					str += '<ins>' + out.n[i] + nSpace[i] + "</ins>";
  				}
  				else {
  					var pre = "";
  
  					for (n = out.n[i].row + 1; n < out.o.length && out.o[n].text == null; n++) {
  						pre += '<del>' + out.o[n] + oSpace[n] + "</del>";
  					}
  					str += " " + out.n[i].text + nSpace[i] + pre;
  				}
  			}
  		}
  
  		return str;
  	};
  }());
  
  // for CommonJS enviroments, export everything
  if ( typeof exports !== "undefined" || typeof require !== "undefined" ) {
  	extend(exports, QUnit);
  }
  
  // get at whatever the global object is, like window in browsers
  }( (function() {return this;}.call()) ));
  