" +
- "
| t |
\
- \
- \
-
\ -
\ - Normalize results \ - \
-
\
- \
- \
- Powered by JSLitmus \
-
';
-
- /**
- * The public API for creating and running tests
- */
- window.JSLitmus = {
- /** The list of all tests that have been registered with JSLitmus.test */
- _tests: [],
- /** The queue of tests that need to be run */
- _queue: [],
-
- /**
- * The parsed query parameters the current page URL. This is provided as a
- * convenience for test functions - it's not used by JSLitmus proper
- */
- params: {},
-
- /**
- * Initialize
- */
- _init: function() {
- // Parse query params into JSLitmus.params[] hash
- var match = (location + '').match(/([^?#]*)(#.*)?$/);
- if (match) {
- var pairs = match[1].split('&');
- for (var i = 0; i < pairs.length; i++) {
- var pair = pairs[i].split('=');
- if (pair.length > 1) {
- var key = pair.shift();
- var value = pair.length > 1 ? pair.join('=') : pair[0];
- this.params[key] = value;
- }
- }
- }
-
- // Write out the stylesheet. We have to do this here because IE
- // doesn't honor sheets written after the document has loaded.
- document.write(STYLESHEET);
-
- // Setup the rest of the UI once the document is loaded
- if (window.addEventListener) {
- window.addEventListener('load', this._setup, false);
- } else if (document.addEventListener) {
- document.addEventListener('load', this._setup, false);
- } else if (window.attachEvent) {
- window.attachEvent('onload', this._setup);
- }
-
- return this;
- },
-
- /**
- * Set up the UI
- */
- _setup: function() {
- var el = jsl.$('jslitmus_container');
- if (!el) document.body.appendChild(el = document.createElement('div'));
-
- el.innerHTML = MARKUP;
-
- // Render the UI for all our tests
- for (var i=0; i < JSLitmus._tests.length; i++)
- JSLitmus.renderTest(JSLitmus._tests[i]);
- },
-
- /**
- * (Re)render all the test results
- */
- renderAll: function() {
- for (var i = 0; i < JSLitmus._tests.length; i++)
- JSLitmus.renderTest(JSLitmus._tests[i]);
- JSLitmus.renderChart();
- },
-
- /**
- * (Re)render the chart graphics
- */
- renderChart: function() {
- var url = JSLitmus.chartUrl();
- jsl.$('chart_link').href = url;
- jsl.$('chart_image').src = url;
- jsl.$('chart').style.display = '';
-
- // Update the tiny URL
- jsl.$('tiny_url').src = 'http://tinyurl.com/api-create.php?url='+escape(url);
- },
-
- /**
- * (Re)render the results for a specific test
- */
- renderTest: function(test) {
- // Make a new row if needed
- if (!test._row) {
- var trow = jsl.$('test_row_template');
- if (!trow) return;
-
- test._row = trow.cloneNode(true);
- test._row.style.display = '';
- test._row.id = '';
- test._row.onclick = function() {JSLitmus._queueTest(test);};
- test._row.title = 'Run ' + test.name + ' test';
- trow.parentNode.appendChild(test._row);
- test._row.cells[0].innerHTML = test.name;
- }
-
- var cell = test._row.cells[1];
- var cns = [test.loopArg ? 'test_looping' : 'test_nonlooping'];
-
- if (test.error) {
- cns.push('test_error');
- cell.innerHTML =
- '\ -
\ - Normalize results \ -
| ' + platform + ' | |
|---|---|
| Test | Ops/sec |
' + test.error + '
' +
- '- ' + - jsl.join(test.error, ': ', '
- ') + - '
" + this.name; - } - - if ( this.async ) { - QUnit.stop(); - } - - if ( config.notrycatch ) { - this.callback.call( this.testEnvironment, QUnit.assert ); - return; - } - - try { - this.callback.call( this.testEnvironment, QUnit.assert ); - } catch( e ) { - QUnit.pushFailure( "Died on test #" + (this.assertions.length + 1) + " " + this.stack + ": " + e.message, extractStacktrace( e, 0 ) ); - // else next test will carry the responsibility - saveGlobal(); - - // Restart the tests if they're blocking - if ( config.blocking ) { - QUnit.start(); - } - } - }, - teardown: function() { - config.current = this; - if ( config.notrycatch ) { - 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 ( config.requireExpects && this.expected == null ) { - QUnit.pushFailure( "Expected number of assertions to be defined, but expect() was not called.", this.stack ); - } else if ( this.expected != null && this.expected != this.assertions.length ) { - QUnit.pushFailure( "Expected " + this.expected + " assertions, but " + this.assertions.length + " were run", this.stack ); - } else if ( this.expected == null && !this.assertions.length ) { - QUnit.pushFailure( "Expected at least one assertion, but none were run - call expect(0) to accept zero assertions.", this.stack ); - } - - var assertion, a, b, i, li, ol, - test = this, - good = 0, - bad = 0, - tests = id( "qunit-tests" ); - - config.stats.all += this.assertions.length; - config.moduleStats.all += this.assertions.length; - - if ( tests ) { - ol = document.createElement( "ol" ); - - for ( i = 0; i < this.assertions.length; i++ ) { - assertion = this.assertions[i]; - - li = document.createElement( "li" ); - li.className = assertion.result ? "pass" : "fail"; - li.innerHTML = assertion.message || ( assertion.result ? "okay" : "failed" ); - ol.appendChild( li ); - - if ( assertion.result ) { - good++; - } else { - bad++; - config.stats.bad++; - config.moduleStats.bad++; - } - } - - // store result when possible - if ( QUnit.config.reorder && defined.sessionStorage ) { - if ( bad ) { - sessionStorage.setItem( "qunit-test-" + this.module + "-" + this.testName, bad ); - } else { - sessionStorage.removeItem( "qunit-test-" + this.module + "-" + this.testName ); - } - } - - if ( bad === 0 ) { - ol.style.display = "none"; - } - - // `b` initialized at top of scope - b = document.createElement( "strong" ); - b.innerHTML = this.name + " (" + bad + ", " + good + ", " + this.assertions.length + ")"; - - 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({ testNumber: test.testNumber }); - } - }); - - // `li` initialized at top of scope - li = id( this.id ); - li.className = bad ? "fail" : "pass"; - li.removeChild( li.firstChild ); - a = li.firstChild; - li.appendChild( b ); - li.appendChild ( a ); - li.appendChild( ol ); - - } else { - for ( i = 0; i < this.assertions.length; i++ ) { - if ( !this.assertions[i].result ) { - bad++; - config.stats.bad++; - config.moduleStats.bad++; - } - } - } - - runLoggingCallbacks( "testDone", QUnit, { - name: this.testName, - module: this.module, - failed: bad, - passed: this.assertions.length - bad, - total: this.assertions.length - }); - - QUnit.reset(); - - config.current = undefined; - }, - - queue: function() { - var bad, - test = this; - - synchronize(function() { - test.init(); - }); - function run() { - // each of these can by async - synchronize(function() { - test.setup(); - }); - synchronize(function() { - test.run(); - }); - synchronize(function() { - test.teardown(); - }); - synchronize(function() { - test.finish(); - }); - } - - // `bad` initialized at top of scope - // defer when previous test run passed, if storage is available - bad = QUnit.config.reorder && defined.sessionStorage && - +sessionStorage.getItem( "qunit-test-" + this.module + "-" + this.testName ); - - if ( bad ) { - run(); - } else { - synchronize( run, true ); - } - } -}; - -// Root QUnit object. -// `QUnit` initialized at top of scope -QUnit = { - - // call on start of module test to prepend name to all tests - module: function( name, testEnvironment ) { - config.currentModule = name; - config.currentModuleTestEnvironment = testEnvironment; - config.modules[name] = true; - }, - - asyncTest: function( testName, expected, callback ) { - if ( arguments.length === 2 ) { - callback = expected; - expected = null; - } - - QUnit.test( testName, expected, callback, true ); - }, - - test: function( testName, expected, callback, async ) { - var test, - name = "" + escapeInnerText( testName ) + ""; - - if ( arguments.length === 2 ) { - callback = expected; - expected = null; - } - - if ( config.currentModule ) { - name = "" + config.currentModule + ": " + name; - } - - test = new Test({ - name: name, - testName: testName, - expected: expected, - async: async, - callback: callback, - module: config.currentModule, - moduleTestEnvironment: config.currentModuleTestEnvironment, - stack: sourceFromStacktrace( 2 ) - }); - - if ( !validTest( test ) ) { - return; - } - - test.queue(); - }, - - // Specify the number of expected assertions to gurantee that failed test (no assertions are run at all) don't slip through. - expect: function( asserts ) { - if (arguments.length === 1) { - config.current.expected = asserts; - } else { - return config.current.expected; - } - }, - - start: function( count ) { - config.semaphore -= count || 1; - // don't start until equal number of stop-calls - if ( config.semaphore > 0 ) { - return; - } - // ignore if start is called more often then stop - if ( config.semaphore < 0 ) { - config.semaphore = 0; - } - // 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 ); - } - } -}; - -// Asssert helpers -// All of these must call either QUnit.push() or manually do: -// - runLoggingCallbacks( "log", .. ); -// - config.current.assertions.push({ .. }); -QUnit.assert = { - /** - * Asserts rough true-ish result. - * @name ok - * @function - * @example ok( "asdfasdf".length > 5, "There must be at least 5 chars" ); - */ - ok: function( result, msg ) { - if ( !config.current ) { - throw new Error( "ok() assertion outside test context, was " + sourceFromStacktrace(2) ); - } - result = !!result; - - var source, - details = { - module: config.current.module, - name: config.current.testName, - result: result, - message: msg - }; - - msg = escapeInnerText( msg || (result ? "okay" : "failed" ) ); - msg = ""; - - if ( !result ) { - source = sourceFromStacktrace( 2 ); - if ( source ) { - details.source = source; - msg += "
| Source: | " + escapeInnerText( source ) + " |
|---|
" + escapeInnerText( document.title ) + "
" + - "" + - "" + - "" + - ""; - } - }, - - // Resets the test setup. Useful for tests that modify the DOM. - reset: function() { - var fixture = id( "qunit-fixture" ); - if ( fixture ) { - fixture.innerHTML = config.fixture; - } - }, - - // Trigger an event on an element. - // @example triggerEvent( document.body, "click" ); - triggerEvent: function( elem, type, event ) { - if ( document.createEvent ) { - event = document.createEvent( "MouseEvents" ); - event.initMouseEvent(type, true, true, elem.ownerDocument.defaultView, - 0, 0, 0, 0, 0, false, false, false, false, 0, null); - - elem.dispatchEvent( event ); - } else if ( elem.fireEvent ) { - elem.fireEvent( "on" + type ); - } - }, - - // Safe object type checking - is: function( type, obj ) { - return QUnit.objectType( obj ) == type; - }, - - objectType: function( obj ) { - if ( typeof obj === "undefined" ) { - return "undefined"; - // consider: typeof null === object - } - if ( obj === null ) { - return "null"; - } - - var 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 output, source, - details = { - module: config.current.module, - name: config.current.testName, - result: result, - message: message, - actual: actual, - expected: expected - }; - - message = escapeInnerText( message ) || ( result ? "okay" : "failed" ); - message = ""; - output = message; - - if ( !result ) { - expected = escapeInnerText( QUnit.jsDump.parse(expected) ); - actual = escapeInnerText( QUnit.jsDump.parse(actual) ); - output += "
| Expected: | " + expected + " |
|---|---|
| Result: | " + actual + " |
| Diff: | " + QUnit.diff( expected, actual ) + " |
| Source: | " + escapeInnerText( source ) + " |
| Result: | " + escapeInnerText( actual ) + " |
|---|---|
| Source: | " + escapeInnerText( source ) + " |
", - "", - passed, - " tests of ", - config.stats.all, - " passed, ", - config.stats.bad, - " failed." - ].join( "" ); - - if ( banner ) { - banner.className = ( config.stats.bad ? "qunit-fail" : "qunit-pass" ); - } - - if ( tests ) { - id( "qunit-testresult" ).innerHTML = html; - } - - if ( config.altertitle && typeof document !== "undefined" && document.title ) { - // show ✖ for good, ✔ for bad suite result in title - // use escape sequences in case file gets loaded with non-utf-8-charset - document.title = [ - ( config.stats.bad ? "\u2716" : "\u2714" ), - document.title.replace( /^[\u2714\u2716] /i, "" ) - ].join( " " ); - } - - // clear own sessionStorage items if all tests passed - if ( config.reorder && defined.sessionStorage && config.stats.bad === 0 ) { - // `key` & `i` initialized at top of scope - for ( i = 0; i < sessionStorage.length; i++ ) { - key = sessionStorage.key( i++ ); - if ( key.indexOf( "qunit-test-" ) === 0 ) { - sessionStorage.removeItem( key ); - } - } - } - - // scroll back to top to show results - if ( window.scrollTo ) { - window.scrollTo(0, 0); - } - - runLoggingCallbacks( "done", QUnit, { - failed: config.stats.bad, - passed: passed, - total: config.stats.all, - runtime: runtime - }); -} - -/** @return Boolean: true if this test should be ran */ -function validTest( test ) { - var include, - filter = config.filter && config.filter.toLowerCase(), - module = config.module && config.module.toLowerCase(), - fullName = (test.module + ": " + test.testName).toLowerCase(); - - // Internally-generated tests are always valid - if ( test.callback && test.callback.validTest === validTest ) { - delete test.callback.validTest; - return true; - } - - if ( config.testNumber ) { - return test.testNumber === config.testNumber; - } - - if ( module && ( !test.module || test.module.toLowerCase() !== module ) ) { - return false; - } - - if ( !filter ) { - return true; - } - - include = filter.charAt( 0 ) !== "!"; - if ( !include ) { - filter = filter.slice( 1 ); - } - - // If the filter matches, we need to honour include - if ( fullName.indexOf( filter ) !== -1 ) { - return include; - } - - // Otherwise, do the opposite - return !include; -} - -// so far supports only Firefox, Chrome and Opera (buggy), Safari (for real exceptions) -// Later Safari and IE10 are supposed to support error.stack as well -// See also https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Error/Stack -function extractStacktrace( e, offset ) { - offset = offset === undefined ? 3 : offset; - - var stack, include, i, regex; - - if ( e.stacktrace ) { - // Opera - return e.stacktrace.split( "\n" )[ offset + 3 ]; - } else if ( e.stack ) { - // Firefox, Chrome - stack = e.stack.split( "\n" ); - if (/^error$/i.test( stack[0] ) ) { - stack.shift(); - } - if ( fileName ) { - include = []; - for ( i = offset; i < stack.length; i++ ) { - if ( stack[ i ].indexOf( fileName ) != -1 ) { - break; - } - include.push( stack[ i ] ); - } - if ( include.length ) { - return include.join( "\n" ); - } - } - return stack[ offset ]; - } else if ( e.sourceURL ) { - // Safari, PhantomJS - // hopefully one day Safari provides actual stacktraces - // exclude useless self-reference for generated Error objects - if ( /qunit.js$/.test( e.sourceURL ) ) { - return; - } - // for actual exceptions, this is useful - return e.sourceURL + ":" + e.line; - } -} -function sourceFromStacktrace( offset ) { - try { - throw new Error(); - } catch ( e ) { - return extractStacktrace( e, offset ); - } -} - -function escapeInnerText( s ) { - if ( !s ) { - return ""; - } - s = s + ""; - return s.replace( /[\&<>]/g, function( s ) { - switch( s ) { - case "&": return "&"; - case "<": return "<"; - case ">": return ">"; - 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 ) { - // in Opera sometimes DOM element ids show up here, ignore them - if ( !hasOwn.call( window, key ) || /^qunit-test-output/.test( key ) ) { - continue; - } - config.pollution.push( key ); - } - } -} - -function checkPollution( name ) { - var newGlobals, - deletedGlobals, - old = config.pollution; - - saveGlobal(); - - newGlobals = diff( config.pollution, old ); - if ( newGlobals.length > 0 ) { - QUnit.pushFailure( "Introduced global variable(s): " + newGlobals.join(", ") ); - } - - deletedGlobals = diff( old, config.pollution ); - if ( deletedGlobals.length > 0 ) { - QUnit.pushFailure( "Deleted global variable(s): " + deletedGlobals.join(", ") ); - } -} - -// returns a new Array with the elements that are in a but not in b -function diff( a, b ) { - var i, j, - result = a.slice(); - - for ( i = 0; i < result.length; i++ ) { - for ( j = 0; j < b.length; j++ ) { - if ( result[i] === b[j] ) { - result.splice( i, 1 ); - i--; - break; - } - } - } - return result; -} - -function extend( a, b ) { - for ( var prop in b ) { - if ( b[ prop ] === undefined ) { - delete a[ prop ]; - - // Avoid "Member not found" error in IE8 caused by setting window.constructor - } else if ( prop !== "constructor" || a !== window ) { - a[ prop ] = b[ prop ]; - } - } - - return a; -} - -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 i, callbacks; - if ( QUnit.hasOwnProperty( key ) ) { - QUnit[ key ].call(scope, args ); - } else { - callbacks = config[ key ]; - for ( i = 0; i < callbacks.length; i++ ) { - callbacks[ i ].call( scope, args ); - } - } -} - -// Test for equality any JavaScript type. -// Author: Philippe Rathé
" : "\n" : this.HTML ? " " : " "; - }, - 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, " " ); - } - 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 a, val, - open = QUnit.jsDump.HTML ? "<" : "<", - close = QUnit.jsDump.HTML ? ">" : ">", - tag = node.nodeName.toLowerCase(), - ret = open + tag; - - for ( a in QUnit.jsDump.DOMAttrs ) { - 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 args, - l = fn.length; - - if ( !l ) { - return ""; - } - - 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 i, elem, - ret = ""; - - for ( 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