/*! * 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 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 ? "
" : "\n" : this.HTML ? " " : " "; }, // 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, " " ); } 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 ? "<" : "<", close = dump.HTML ? ">" : ">", 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 brown fox jumpsed} 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.} 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: * ABXYCD * AXCD * ABXC * AXCD * ABXC */ 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.} 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] = "" + data + ""; break; case DIFF_DELETE: html[x] = "" + data + ""; break; case DIFF_EQUAL: html[x] = "" + data + ""; 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.} 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.} 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.} 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.} 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.} 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.} 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.} 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: abcxxxxxxdef // -> abcxxxdef // e.g: xxxabcdefxxx // -> defxxxabc // 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.}} * 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.} diffs Array of diff tuples. * @param {!Array.} 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.} 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: ABAC -> ABAC 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 = "

" + escapeText( document.title ) + "

" + "

" + "
" + "

" + "
    "; } 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...
     "; } }; // 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 "'"; case "\"": return """; case "<": return "<"; case ">": return ">"; case "&": return "&"; } }); } /** * @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 += ""; } else { urlConfigHtml += ""; } } 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 += "" + ""; 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 = "" + header.innerHTML + " "; } } 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...
     "; } } 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 = "

    " + escapeText( document.title ) + "

    " + "

    " + "
    " + "

    " + "
      "; } 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.
      ", "", details.passed, " assertions of ", details.total, " passed, ", details.failed, " 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 = "" + escapeText( module ) + ": "; } nameHtml += "" + escapeText( name ) + ""; 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:
      " : "Running:
      " ) + 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 = "" + message + ""; message += "@ " + details.runtime + " ms"; // 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 += ""; if ( actual !== expected ) { message += "" + ""; } else { if ( expected.indexOf( "[object Array]" ) !== -1 || expected.indexOf( "[object Object]" ) !== -1 ) { message += ""; } } if ( details.source ) { message += ""; } message += "
      Expected:
      " +
      			expected +
      			"
      Result:
      " +
      				actual + "
      Diff:
      " +
      				QUnit.diff( expected, actual ) + "
      Message: " + "Diff suppressed as the depth of object is more than current max depth (" + QUnit.config.maxDepth + ").

      Hint: Use QUnit.dump.maxDepth to " + " run with a higher max depth or " + "Rerun without max depth.

      Source:
      " +
      				escapeText( details.source ) + "
      "; // this occours when pushFailure is set and we have an extracted stack trace } else if ( !details.result && details.source ) { message += "" + "" + "
      Source:
      " +
      			escapeText( details.source ) + "
      "; } 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 ? "" + bad + ", " + "" + good + ", " : ""; testTitle.innerHTML += " (" + testCounts + details.assertions.length + ")"; 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; } })();