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diff --git a/package.json b/package.json
index 8a046b38..70e4c3a8 100644
--- a/package.json
+++ b/package.json
@@ -60,11 +60,11 @@
"grunt-cli": "~0.1.13",
"grunt-contrib-clean": "^1.0.0",
"grunt-contrib-concat": "^1.0.0",
- "grunt-contrib-copy": "^0.8.2",
- "grunt-contrib-cssmin": "^0.14.0",
+ "grunt-contrib-copy": "^1.0.0",
+ "grunt-contrib-cssmin": "^1.0.0",
"grunt-contrib-jshint": "^1.0.0",
"grunt-contrib-qunit": "^1.0.1",
- "grunt-contrib-uglify": "^0.11.0",
+ "grunt-contrib-uglify": "^1.0.0",
"grunt-contrib-watch": "^0.6.1",
"grunt-htmlhint": "^0.9.12",
"grunt-jscs": "^2.6.0",
diff --git a/test.html b/test.html
index a5400a05..1337b2e5 100644
--- a/test.html
+++ b/test.html
@@ -3,10 +3,10 @@
Tablesorter Testing (WIP)
-
+
-
+
diff --git a/testing/qunit-1.22.0.css b/testing/qunit-1.22.0.css
new file mode 100644
index 00000000..8c78b67e
--- /dev/null
+++ b/testing/qunit-1.22.0.css
@@ -0,0 +1,305 @@
+/*!
+ * QUnit 1.22.0
+ * https://qunitjs.com/
+ *
+ * Copyright jQuery Foundation and other contributors
+ * Released under the MIT license
+ * https://jquery.org/license
+ *
+ * Date: 2016-02-23T15:57Z
+ */
+
+/** Font Family and Sizes */
+
+#qunit-tests, #qunit-header, #qunit-banner, #qunit-testrunner-toolbar, #qunit-filteredTest, #qunit-userAgent, #qunit-testresult {
+ font-family: "Helvetica Neue Light", "HelveticaNeue-Light", "Helvetica Neue", Calibri, Helvetica, Arial, sans-serif;
+}
+
+#qunit-testrunner-toolbar, #qunit-filteredTest, #qunit-userAgent, #qunit-testresult, #qunit-tests li { font-size: small; }
+#qunit-tests { font-size: smaller; }
+
+
+/** Resets */
+
+#qunit-tests, #qunit-header, #qunit-banner, #qunit-filteredTest, #qunit-userAgent, #qunit-testresult, #qunit-modulefilter {
+ margin: 0;
+ padding: 0;
+}
+
+
+/** Header */
+
+#qunit-header {
+ padding: 0.5em 0 0.5em 1em;
+
+ color: #8699A4;
+ background-color: #0D3349;
+
+ font-size: 1.5em;
+ line-height: 1em;
+ font-weight: 400;
+
+ border-radius: 5px 5px 0 0;
+}
+
+#qunit-header a {
+ text-decoration: none;
+ color: #C2CCD1;
+}
+
+#qunit-header a:hover,
+#qunit-header a:focus {
+ color: #FFF;
+}
+
+#qunit-testrunner-toolbar label {
+ display: inline-block;
+ padding: 0 0.5em 0 0.1em;
+}
+
+#qunit-banner {
+ height: 5px;
+}
+
+#qunit-testrunner-toolbar {
+ padding: 0.5em 1em 0.5em 1em;
+ color: #5E740B;
+ background-color: #EEE;
+ overflow: hidden;
+}
+
+#qunit-filteredTest {
+ padding: 0.5em 1em 0.5em 1em;
+ background-color: #F4FF77;
+ color: #366097;
+}
+
+#qunit-userAgent {
+ padding: 0.5em 1em 0.5em 1em;
+ background-color: #2B81AF;
+ color: #FFF;
+ text-shadow: rgba(0, 0, 0, 0.5) 2px 2px 1px;
+}
+
+#qunit-modulefilter-container {
+ float: right;
+ padding: 0.2em;
+}
+
+.qunit-url-config {
+ display: inline-block;
+ padding: 0.1em;
+}
+
+.qunit-filter {
+ display: block;
+ float: right;
+ margin-left: 1em;
+}
+
+/** Tests: Pass/Fail */
+
+#qunit-tests {
+ list-style-position: inside;
+}
+
+#qunit-tests li {
+ padding: 0.4em 1em 0.4em 1em;
+ border-bottom: 1px solid #FFF;
+ list-style-position: inside;
+}
+
+#qunit-tests > li {
+ display: none;
+}
+
+#qunit-tests li.running,
+#qunit-tests li.pass,
+#qunit-tests li.fail,
+#qunit-tests li.skipped {
+ display: list-item;
+}
+
+#qunit-tests.hidepass {
+ position: relative;
+}
+
+#qunit-tests.hidepass li.running,
+#qunit-tests.hidepass li.pass {
+ visibility: hidden;
+ position: absolute;
+ width: 0;
+ height: 0;
+ padding: 0;
+ border: 0;
+ margin: 0;
+}
+
+#qunit-tests li strong {
+ cursor: pointer;
+}
+
+#qunit-tests li.skipped strong {
+ cursor: default;
+}
+
+#qunit-tests li a {
+ padding: 0.5em;
+ color: #C2CCD1;
+ text-decoration: none;
+}
+
+#qunit-tests li p a {
+ padding: 0.25em;
+ color: #6B6464;
+}
+#qunit-tests li a:hover,
+#qunit-tests li a:focus {
+ color: #000;
+}
+
+#qunit-tests li .runtime {
+ float: right;
+ font-size: smaller;
+}
+
+.qunit-assert-list {
+ margin-top: 0.5em;
+ padding: 0.5em;
+
+ background-color: #FFF;
+
+ border-radius: 5px;
+}
+
+.qunit-source {
+ margin: 0.6em 0 0.3em;
+}
+
+.qunit-collapsed {
+ display: none;
+}
+
+#qunit-tests table {
+ border-collapse: collapse;
+ margin-top: 0.2em;
+}
+
+#qunit-tests th {
+ text-align: right;
+ vertical-align: top;
+ padding: 0 0.5em 0 0;
+}
+
+#qunit-tests td {
+ vertical-align: top;
+}
+
+#qunit-tests pre {
+ margin: 0;
+ white-space: pre-wrap;
+ word-wrap: break-word;
+}
+
+#qunit-tests del {
+ background-color: #E0F2BE;
+ color: #374E0C;
+ text-decoration: none;
+}
+
+#qunit-tests ins {
+ background-color: #FFCACA;
+ color: #500;
+ text-decoration: none;
+}
+
+/*** Test Counts */
+
+#qunit-tests b.counts { color: #000; }
+#qunit-tests b.passed { color: #5E740B; }
+#qunit-tests b.failed { color: #710909; }
+
+#qunit-tests li li {
+ padding: 5px;
+ background-color: #FFF;
+ border-bottom: none;
+ list-style-position: inside;
+}
+
+/*** Passing Styles */
+
+#qunit-tests li li.pass {
+ color: #3C510C;
+ background-color: #FFF;
+ border-left: 10px solid #C6E746;
+}
+
+#qunit-tests .pass { color: #528CE0; background-color: #D2E0E6; }
+#qunit-tests .pass .test-name { color: #366097; }
+
+#qunit-tests .pass .test-actual,
+#qunit-tests .pass .test-expected { color: #999; }
+
+#qunit-banner.qunit-pass { background-color: #C6E746; }
+
+/*** Failing Styles */
+
+#qunit-tests li li.fail {
+ color: #710909;
+ background-color: #FFF;
+ border-left: 10px solid #EE5757;
+ white-space: pre;
+}
+
+#qunit-tests > li:last-child {
+ border-radius: 0 0 5px 5px;
+}
+
+#qunit-tests .fail { color: #000; background-color: #EE5757; }
+#qunit-tests .fail .test-name,
+#qunit-tests .fail .module-name { color: #000; }
+
+#qunit-tests .fail .test-actual { color: #EE5757; }
+#qunit-tests .fail .test-expected { color: #008000; }
+
+#qunit-banner.qunit-fail { background-color: #EE5757; }
+
+/*** Skipped tests */
+
+#qunit-tests .skipped {
+ background-color: #EBECE9;
+}
+
+#qunit-tests .qunit-skipped-label {
+ background-color: #F4FF77;
+ display: inline-block;
+ font-style: normal;
+ color: #366097;
+ line-height: 1.8em;
+ padding: 0 0.5em;
+ margin: -0.4em 0.4em -0.4em 0;
+}
+
+/** Result */
+
+#qunit-testresult {
+ padding: 0.5em 1em 0.5em 1em;
+
+ color: #2B81AF;
+ background-color: #D2E0E6;
+
+ border-bottom: 1px solid #FFF;
+}
+#qunit-testresult .module-name {
+ font-weight: 700;
+}
+
+/** Fixture */
+
+#qunit-fixture {
+ position: absolute;
+ top: -10000px;
+ left: -10000px;
+ width: 1000px;
+ height: 1000px;
+}
diff --git a/testing/qunit-1.22.0.js b/testing/qunit-1.22.0.js
new file mode 100644
index 00000000..84873ae5
--- /dev/null
+++ b/testing/qunit-1.22.0.js
@@ -0,0 +1,4204 @@
+/*!
+ * QUnit 1.22.0
+ * https://qunitjs.com/
+ *
+ * Copyright jQuery Foundation and other contributors
+ * Released under the MIT license
+ * https://jquery.org/license
+ *
+ * Date: 2016-02-23T15:57Z
+ */
+
+(function( global ) {
+
+var QUnit = {};
+
+var Date = global.Date;
+var now = Date.now || function() {
+ return new Date().getTime();
+};
+
+var setTimeout = global.setTimeout;
+var clearTimeout = global.clearTimeout;
+
+// Store a local window from the global to allow direct references.
+var window = global.window;
+
+var defined = {
+ document: window && window.document !== undefined,
+ setTimeout: setTimeout !== undefined,
+ sessionStorage: (function() {
+ var x = "qunit-test-string";
+ try {
+ sessionStorage.setItem( x, x );
+ sessionStorage.removeItem( x );
+ return true;
+ } catch ( e ) {
+ return false;
+ }
+ }() )
+};
+
+var fileName = ( sourceFromStacktrace( 0 ) || "" ).replace( /(:\d+)+\)?/, "" ).replace( /.+\//, "" );
+var globalStartCalled = false;
+var runStarted = false;
+
+var toString = Object.prototype.toString,
+ hasOwn = Object.prototype.hasOwnProperty;
+
+// 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;
+}
+
+// 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;
+}
+
+/**
+ * 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).
+ */
+function objectValues ( 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;
+}
+
+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
+ // This block runs on every environment, so `global` is being used instead of `window`
+ // to avoid errors on node.
+ if ( prop !== "constructor" || a !== global ) {
+ if ( b[ prop ] === undefined ) {
+ delete a[ prop ];
+ } else if ( !( undefOnly && typeof a[ prop ] !== "undefined" ) ) {
+ a[ prop ] = b[ prop ];
+ }
+ }
+ }
+ }
+
+ return a;
+}
+
+function objectType( obj ) {
+ if ( typeof obj === "undefined" ) {
+ return "undefined";
+ }
+
+ // Consider: typeof null === object
+ if ( obj === null ) {
+ return "null";
+ }
+
+ var match = toString.call( obj ).match( /^\[object\s(.*)\]$/ ),
+ type = match && match[ 1 ];
+
+ switch ( type ) {
+ case "Number":
+ if ( isNaN( obj ) ) {
+ return "nan";
+ }
+ return "number";
+ case "String":
+ case "Boolean":
+ case "Array":
+ case "Set":
+ case "Map":
+ case "Date":
+ case "RegExp":
+ case "Function":
+ case "Symbol":
+ return type.toLowerCase();
+ }
+ if ( typeof obj === "object" ) {
+ return "object";
+ }
+}
+
+// Safe object type checking
+function is( type, obj ) {
+ return QUnit.objectType( obj ) === type;
+}
+
+var getUrlParams = function() {
+ var i, param, name, value;
+ var urlParams = {};
+ var location = window.location;
+ var params = location.search.slice( 1 ).split( "&" );
+ var length = params.length;
+
+ for ( i = 0; i < length; i++ ) {
+ if ( params[ i ] ) {
+ param = params[ i ].split( "=" );
+ name = decodeURIComponent( param[ 0 ] );
+
+ // allow just a key to turn on a flag, e.g., test.html?noglobals
+ value = param.length === 1 ||
+ decodeURIComponent( param.slice( 1 ).join( "=" ) ) ;
+ if ( urlParams[ name ] ) {
+ urlParams[ name ] = [].concat( urlParams[ name ], value );
+ } else {
+ urlParams[ name ] = value;
+ }
+ }
+ }
+
+ return urlParams;
+};
+
+// Doesn't support IE6 to IE9, it will return undefined on these browsers
+// See also https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Error/Stack
+function extractStacktrace( e, offset ) {
+ offset = offset === undefined ? 4 : offset;
+
+ var stack, include, i;
+
+ if ( e.stack ) {
+ stack = e.stack.split( "\n" );
+ if ( /^error$/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 );
+}
+
+/**
+ * Config object: Maintain internal state
+ * Later exposed as QUnit.config
+ * `config` initialized at top of scope
+ */
+var 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,
+
+ // HTML Reporter: collapse every test except the first failing test
+ // If false, all failing tests will be expanded
+ collapse: true,
+
+ // by default, scroll to top of the page when suite is done
+ scrolltop: true,
+
+ // depth up-to which object will be dumped
+ maxDepth: 5,
+
+ // when enabled, all tests must call expect()
+ requireExpects: false,
+
+ // add checkboxes that are persisted in the query-string
+ // when enabled, the id is set to `true` as a `QUnit.config` property
+ urlConfig: [
+ {
+ id: "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 " +
+ "global object (`window` in Browsers). 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: [],
+
+ // Stack of nested modules
+ moduleStack: [],
+
+ // The first unnamed module
+ currentModule: {
+ name: "",
+ tests: []
+ },
+
+ callbacks: {}
+};
+
+var urlParams = defined.document ? getUrlParams() : {};
+
+// Push a loose unnamed module to the modules collection
+config.modules.push( config.currentModule );
+
+if ( urlParams.filter === true ) {
+ delete urlParams.filter;
+}
+
+// String search anywhere in moduleName+testName
+config.filter = urlParams.filter;
+
+config.testId = [];
+if ( urlParams.testId ) {
+ // Ensure that urlParams.testId is an array
+ urlParams.testId = decodeURIComponent( urlParams.testId ).split( "," );
+ for (var i = 0; i < urlParams.testId.length; i++ ) {
+ config.testId.push( urlParams.testId[ i ] );
+ }
+}
+
+var loggingCallbacks = {};
+
+// Register logging callbacks
+function registerLoggingCallbacks( obj ) {
+ var i, l, key,
+ callbackNames = [ "begin", "done", "log", "testStart", "testDone",
+ "moduleStart", "moduleDone" ];
+
+ function registerLoggingCallback( key ) {
+ var loggingCallback = function( callback ) {
+ if ( 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 = callbackNames.length; i < l; i++ ) {
+ key = callbackNames[ i ];
+
+ // Initialize key collection of logging callback
+ if ( objectType( config.callbacks[ key ] ) === "undefined" ) {
+ config.callbacks[ key ] = [];
+ }
+
+ obj[ key ] = registerLoggingCallback( key );
+ }
+}
+
+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 ( global.console && global.console.warn ) {
+ global.console.warn(
+ "QUnit." + loggingCallback + " was replaced with a new value.\n" +
+ "Please, check out the documentation on how to apply logging callbacks.\n" +
+ "Reference: https://api.qunitjs.com/category/callbacks/"
+ );
+ }
+ }
+ }
+}
+
+( function() {
+ if ( !defined.document ) {
+ return;
+ }
+
+ // `onErrorFnPrev` initialized at top of scope
+ // Preserve other handlers
+ var 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;
+ };
+} )();
+
+QUnit.urlParams = urlParams;
+
+// Figure out if we're running the tests from a server or not
+QUnit.isLocal = !( defined.document && window.location.protocol !== "file:" );
+
+// Expose the current QUnit version
+QUnit.version = "1.22.0";
+
+extend( QUnit, {
+
+ // call on start of module test to prepend name to all tests
+ module: function( name, testEnvironment, executeNow ) {
+ var module, moduleFns;
+ var currentModule = config.currentModule;
+
+ if ( arguments.length === 2 ) {
+ if ( testEnvironment instanceof Function ) {
+ executeNow = testEnvironment;
+ testEnvironment = undefined;
+ }
+ }
+
+ // 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;
+ }
+
+ module = createModule();
+
+ moduleFns = {
+ beforeEach: setHook( module, "beforeEach" ),
+ afterEach: setHook( module, "afterEach" )
+ };
+
+ if ( executeNow instanceof Function ) {
+ config.moduleStack.push( module );
+ setCurrentModule( module );
+ executeNow.call( module.testEnvironment, moduleFns );
+ config.moduleStack.pop();
+ module = module.parentModule || currentModule;
+ }
+
+ setCurrentModule( module );
+
+ function createModule() {
+ var parentModule = config.moduleStack.length ?
+ config.moduleStack.slice( -1 )[ 0 ] : null;
+ var moduleName = parentModule !== null ?
+ [ parentModule.name, name ].join( " > " ) : name;
+ var module = {
+ name: moduleName,
+ parentModule: parentModule,
+ tests: []
+ };
+
+ var env = {};
+ if ( parentModule ) {
+ extend( env, parentModule.testEnvironment );
+ delete env.beforeEach;
+ delete env.afterEach;
+ }
+ extend( env, testEnvironment );
+ module.testEnvironment = env;
+
+ config.modules.push( module );
+ return module;
+ }
+
+ function setCurrentModule( module ) {
+ config.currentModule = module;
+ }
+
+ },
+
+ // DEPRECATED: QUnit.asyncTest() will be removed in QUnit 2.0.
+ asyncTest: asyncTest,
+
+ test: test,
+
+ skip: skip,
+
+ only: only,
+
+ // 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;
+
+ // If semaphore is non-numeric, throw error
+ if ( isNaN( config.current.semaphore ) ) {
+ config.current.semaphore = 0;
+
+ QUnit.pushFailure(
+ "Called start() with a non-numeric decrement.",
+ sourceFromStacktrace( 2 )
+ );
+ return;
+ }
+
+ // 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,
+
+ is: is,
+
+ objectType: objectType,
+
+ 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();
+ }
+ },
+
+ stack: function( offset ) {
+ offset = ( offset || 0 ) + 2;
+ return sourceFromStacktrace( offset );
+ }
+});
+
+registerLoggingCallbacks( QUnit );
+
+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 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 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 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 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
+ });
+}
+
+function setHook( module, hookName ) {
+ if ( module.testEnvironment === undefined ) {
+ module.testEnvironment = {};
+ }
+
+ return function( callback ) {
+ module.testEnvironment[ hookName ] = callback;
+ };
+}
+
+var focused = false;
+var priorityCount = 0;
+
+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;
+
+ if ( this.module.testEnvironment ) {
+ delete this.module.testEnvironment.beforeEach;
+ delete this.module.testEnvironment.afterEach;
+ }
+ this.testEnvironment = extend( {}, this.module.testEnvironment );
+
+ 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 ) {
+ runTest( this );
+ return;
+ }
+
+ try {
+ runTest( this );
+ } 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();
+ }
+ }
+
+ function runTest( test ) {
+ promise = test.callback.call( test.testEnvironment, test.assert );
+ test.resolvePromise( promise );
+ }
+ },
+
+ after: function() {
+ checkPollution();
+ },
+
+ queueHook: function( hook, hookName ) {
+ var promise,
+ test = this;
+ return function runHook() {
+ config.current = test;
+ if ( config.notrycatch ) {
+ callHook();
+ return;
+ }
+ try {
+ callHook();
+ } catch ( error ) {
+ test.pushFailure( hookName + " failed on " + test.testName + ": " +
+ ( error.message || error ), extractStacktrace( error, 0 ) );
+ }
+
+ function callHook() {
+ promise = hook.call( test.testEnvironment, test.assert );
+ test.resolvePromise( promise, hookName );
+ }
+ };
+ },
+
+ // Currently only used for module level hooks, can be used to add global level ones
+ hooks: function( handler ) {
+ var hooks = [];
+
+ function processHooks( test, module ) {
+ if ( module.parentModule ) {
+ processHooks( test, module.parentModule );
+ }
+ if ( module.testEnvironment &&
+ QUnit.objectType( module.testEnvironment[ handler ] ) === "function" ) {
+ hooks.push( test.queueHook( module.testEnvironment[ handler ], handler ) );
+ }
+ }
+
+ // Hooks are ignored on skipped tests
+ if ( !this.skip ) {
+ processHooks( this, this.module );
+ }
+ 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,
+
+ // Source of Test
+ source: this.stack,
+
+ // 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 priority,
+ 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();
+ }
+ ]);
+ }
+
+ // Prioritize previously failed tests, detected from sessionStorage
+ priority = QUnit.config.reorder && defined.sessionStorage &&
+ +sessionStorage.getItem( "qunit-test-" + this.module.name + "-" + this.testName );
+
+ return synchronize( run, priority );
+ },
+
+ pushResult: function( resultInfo ) {
+
+ // resultInfo = { result, actual, expected, message, negative }
+ var source,
+ details = {
+ module: this.module.name,
+ name: this.testName,
+ result: resultInfo.result,
+ message: resultInfo.message,
+ actual: resultInfo.actual,
+ expected: resultInfo.expected,
+ testId: this.testId,
+ negative: resultInfo.negative || false,
+ runtime: now() - this.started
+ };
+
+ if ( !resultInfo.result ) {
+ source = sourceFromStacktrace();
+
+ if ( source ) {
+ details.source = source;
+ }
+ }
+
+ runLoggingCallbacks( "log", details );
+
+ this.assertions.push({
+ result: !!resultInfo.result,
+ message: resultInfo.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,
+ function() { 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 filter = config.filter,
+ regexFilter = /^(!?)\/([\w\W]*)\/(i?$)/.exec( filter ),
+ module = QUnit.urlParams.module && QUnit.urlParams.module.toLowerCase(),
+ fullName = ( this.module.name + ": " + this.testName );
+
+ function testInModuleChain( testModule ) {
+ var testModuleName = testModule.name ? testModule.name.toLowerCase() : null;
+ if ( testModuleName === module ) {
+ return true;
+ } else if ( testModule.parentModule ) {
+ return testInModuleChain( testModule.parentModule );
+ } else {
+ return false;
+ }
+ }
+
+ // 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 && !testInModuleChain( this.module ) ) {
+ return false;
+ }
+
+ if ( !filter ) {
+ return true;
+ }
+
+ return regexFilter ?
+ this.regexFilter( !!regexFilter[1], regexFilter[2], regexFilter[3], fullName ) :
+ this.stringFilter( filter, fullName );
+ },
+
+ regexFilter: function( exclude, pattern, flags, fullName ) {
+ var regex = new RegExp( pattern, flags );
+ var match = regex.test( fullName );
+
+ return match !== exclude;
+ },
+
+ stringFilter: function( filter, fullName ) {
+ filter = filter.toLowerCase();
+ fullName = fullName.toLowerCase();
+
+ var 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 ( !defined.document ) {
+ 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 synchronize( callback, priority ) {
+ var last = !priority;
+
+ if ( QUnit.objectType( callback ) === "array" ) {
+ while ( callback.length ) {
+ synchronize( callback.shift() );
+ }
+ return;
+ }
+
+ if ( priority ) {
+ config.queue.splice( priorityCount++, 0, callback );
+ } else {
+ config.queue.push( callback );
+ }
+
+ if ( config.autorun && !config.blocking ) {
+ process( last );
+ }
+}
+
+function saveGlobal() {
+ config.pollution = [];
+
+ if ( config.noglobals ) {
+ for ( var key in global ) {
+ if ( hasOwn.call( global, 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( ", " ) );
+ }
+}
+
+// Will be exposed as QUnit.asyncTest
+function asyncTest( testName, expected, callback ) {
+ if ( arguments.length === 2 ) {
+ callback = expected;
+ expected = null;
+ }
+
+ QUnit.test( testName, expected, callback, true );
+}
+
+// Will be exposed as QUnit.test
+function test( testName, expected, callback, async ) {
+ if ( focused ) { return; }
+
+ var newTest;
+
+ if ( arguments.length === 2 ) {
+ callback = expected;
+ expected = null;
+ }
+
+ newTest = new Test({
+ testName: testName,
+ expected: expected,
+ async: async,
+ callback: callback
+ });
+
+ newTest.queue();
+}
+
+// Will be exposed as QUnit.skip
+function skip( testName ) {
+ if ( focused ) { return; }
+
+ var test = new Test({
+ testName: testName,
+ skip: true
+ });
+
+ test.queue();
+}
+
+// Will be exposed as QUnit.only
+function only( testName, expected, callback, async ) {
+ var newTest;
+
+ if ( focused ) { return; }
+
+ QUnit.config.queue.length = 0;
+ focused = true;
+
+ if ( arguments.length === 2 ) {
+ callback = expected;
+ expected = null;
+ }
+
+ newTest = new Test({
+ testName: testName,
+ expected: expected,
+ async: async,
+ callback: callback
+ });
+
+ newTest.queue();
+}
+
+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 function that
+ // decrements that counter a maximum of once.
+ async: function( count ) {
+ var test = this.test,
+ popped = false,
+ acceptCallCount = count;
+
+ if ( typeof acceptCallCount === "undefined" ) {
+ acceptCallCount = 1;
+ }
+
+ test.semaphore += 1;
+ test.usedAsync = true;
+ pauseProcessing();
+
+ return function done() {
+
+ if ( popped ) {
+ test.pushFailure( "Too many calls to the `assert.async` callback",
+ sourceFromStacktrace( 2 ) );
+ return;
+ }
+ acceptCallCount -= 1;
+ if ( acceptCallCount > 0 ) {
+ return;
+ }
+
+ test.semaphore -= 1;
+ popped = true;
+ resumeProcessing();
+ };
+ },
+
+ // Exports test.push() to the user API
+ // Alias of pushResult.
+ push: function( result, actual, expected, message, negative ) {
+ var currentAssert = this instanceof Assert ? this : QUnit.config.current.assert;
+ return currentAssert.pushResult( {
+ result: result,
+ actual: actual,
+ expected: expected,
+ message: message,
+ negative: negative
+ } );
+ },
+
+ pushResult: function( resultInfo ) {
+
+ // resultInfo = { result, actual, expected, message, negative }
+ 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.pushResult( resultInfo );
+ },
+
+ ok: function( result, message ) {
+ message = message || ( result ? "okay" : "failed, expected argument to be truthy, was: " +
+ QUnit.dump.parse( result ) );
+ this.pushResult( {
+ result: !!result,
+ actual: result,
+ expected: true,
+ message: message
+ } );
+ },
+
+ notOk: function( result, message ) {
+ message = message || ( !result ? "okay" : "failed, expected argument to be falsy, was: " +
+ QUnit.dump.parse( result ) );
+ this.pushResult( {
+ result: !result,
+ actual: result,
+ expected: false,
+ message: message
+ } );
+ },
+
+ equal: function( actual, expected, message ) {
+ /*jshint eqeqeq:false */
+ this.pushResult( {
+ result: expected == actual,
+ actual: actual,
+ expected: expected,
+ message: message
+ } );
+ },
+
+ notEqual: function( actual, expected, message ) {
+ /*jshint eqeqeq:false */
+ this.pushResult( {
+ result: expected != actual,
+ actual: actual,
+ expected: expected,
+ message: message,
+ negative: true
+ } );
+ },
+
+ propEqual: function( actual, expected, message ) {
+ actual = objectValues( actual );
+ expected = objectValues( expected );
+ this.pushResult( {
+ result: QUnit.equiv( actual, expected ),
+ actual: actual,
+ expected: expected,
+ message: message
+ } );
+ },
+
+ notPropEqual: function( actual, expected, message ) {
+ actual = objectValues( actual );
+ expected = objectValues( expected );
+ this.pushResult( {
+ result: !QUnit.equiv( actual, expected ),
+ actual: actual,
+ expected: expected,
+ message: message,
+ negative: true
+ } );
+ },
+
+ deepEqual: function( actual, expected, message ) {
+ this.pushResult( {
+ result: QUnit.equiv( actual, expected ),
+ actual: actual,
+ expected: expected,
+ message: message
+ } );
+ },
+
+ notDeepEqual: function( actual, expected, message ) {
+ this.pushResult( {
+ result: !QUnit.equiv( actual, expected ),
+ actual: actual,
+ expected: expected,
+ message: message,
+ negative: true
+ } );
+ },
+
+ strictEqual: function( actual, expected, message ) {
+ this.pushResult( {
+ result: expected === actual,
+ actual: actual,
+ expected: expected,
+ message: message
+ } );
+ },
+
+ notStrictEqual: function( actual, expected, message ) {
+ this.pushResult( {
+ result: expected !== actual,
+ actual: actual,
+ expected: expected,
+ message: message,
+ negative: true
+ } );
+ },
+
+ "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.pushResult( {
+ result: ok,
+ actual: actual,
+ expected: expectedOutput,
+ message: message
+ } );
+ }
+};
+
+// Provide an alternative to assert.throws(), for environments that consider throws a reserved word
+// Known to us are: Closure Compiler, Narwhal
+(function() {
+ /*jshint sub:true */
+ Assert.prototype.raises = Assert.prototype[ "throws" ];
+}());
+
+function errorString( error ) {
+ var name, message,
+ resultErrorString = error.toString();
+ if ( resultErrorString.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 resultErrorString;
+ }
+}
+
+// Test for equality any JavaScript type.
+// Author: Philippe Rathé
+QUnit.equiv = (function() {
+
+ // Stack to decide between skip/abort functions
+ var callers = [];
+
+ // Stack to avoiding loops from circular referencing
+ var parents = [];
+ var parentsB = [];
+
+ var getProto = Object.getPrototypeOf || function( obj ) {
+
+ /*jshint proto: true */
+ return obj.__proto__;
+ };
+
+ function useStrictEquality( b, a ) {
+
+ // To catch short annotation VS 'new' annotation of a declaration. e.g.:
+ // `var i = 1;`
+ // `var j = new Number(1);`
+ if ( typeof a === "object" ) {
+ a = a.valueOf();
+ }
+ if ( typeof b === "object" ) {
+ b = b.valueOf();
+ }
+
+ return a === b;
+ }
+
+ function compareConstructors( a, b ) {
+ var protoA = getProto( a );
+ var protoB = getProto( b );
+
+ // Comparing constructors is more strict than using `instanceof`
+ if ( a.constructor === b.constructor ) {
+ return true;
+ }
+
+ // Ref #851
+ // If the obj prototype descends from a null constructor, treat it
+ // as a null prototype.
+ if ( protoA && protoA.constructor === null ) {
+ protoA = null;
+ }
+ if ( protoB && protoB.constructor === null ) {
+ protoB = null;
+ }
+
+ // Allow objects with no prototype to be equivalent to
+ // objects with Object as their constructor.
+ if ( ( protoA === null && protoB === Object.prototype ) ||
+ ( protoB === null && protoA === Object.prototype ) ) {
+ return true;
+ }
+
+ return false;
+ }
+
+ function getRegExpFlags( regexp ) {
+ return "flags" in regexp ? regexp.flags : regexp.toString().match( /[gimuy]*$/ )[ 0 ];
+ }
+
+ var callbacks = {
+ "string": useStrictEquality,
+ "boolean": useStrictEquality,
+ "number": useStrictEquality,
+ "null": useStrictEquality,
+ "undefined": useStrictEquality,
+ "symbol": useStrictEquality,
+ "date": useStrictEquality,
+
+ "nan": function() {
+ return true;
+ },
+
+ "regexp": function( b, a ) {
+ return a.source === b.source &&
+
+ // Include flags in the comparison
+ getRegExpFlags( a ) === getRegExpFlags( b );
+ },
+
+ // - 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;
+
+ 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;
+ },
+
+ "set": function( b, a ) {
+ var aArray, bArray;
+
+ aArray = [];
+ a.forEach( function( v ) {
+ aArray.push( v );
+ });
+ bArray = [];
+ b.forEach( function( v ) {
+ bArray.push( v );
+ });
+
+ return innerEquiv( bArray, aArray );
+ },
+
+ "map": function( b, a ) {
+ var aArray, bArray;
+
+ aArray = [];
+ a.forEach( function( v, k ) {
+ aArray.push( [ k, v ] );
+ });
+ bArray = [];
+ b.forEach( function( v, k ) {
+ bArray.push( [ k, v ] );
+ });
+
+ return innerEquiv( bArray, aArray );
+ },
+
+ "object": function( b, a ) {
+ var i, j, loop, aCircular, bCircular;
+
+ // Default to true
+ var eq = true;
+ var aProperties = [];
+ var bProperties = [];
+
+ if ( compareConstructors( a, b ) === false ) {
+ 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();
+
+ // Unstack, we are done
+ callers.pop();
+
+ for ( i in b ) {
+
+ // Collect b's properties
+ bProperties.push( i );
+ }
+
+ // Ensures identical properties name
+ return eq && innerEquiv( aProperties.sort(), bProperties.sort() );
+ }
+ };
+
+ function typeEquiv( a, b ) {
+ var type = QUnit.objectType( a );
+ return QUnit.objectType( b ) === type && callbacks[ type ]( b, a );
+ }
+
+ // The real equiv function
+ function innerEquiv( a, b ) {
+
+ // We're done when there's nothing more to compare
+ if ( arguments.length < 2 ) {
+ return true;
+ }
+
+ // Require type-specific equality
+ return ( a === b || typeEquiv( a, b ) ) &&
+
+ // ...across all consecutive argument pairs
+ ( arguments.length === 2 || innerEquiv.apply( this, [].slice.call( arguments, 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, "\\\\" ).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 ? "A BXYC D
+ * A XC D
+ * A BXC
+ * AXC D
+ * A BXC
+ */
+ if ( lastequality && ( ( preIns && preDel && postIns && postDel ) ||
+ ( ( lastequality.length < 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: https://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: https://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;
+
+ 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;
+
+ // Reset the counters.
+ lengthInsertions1 = 0;
+ 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
+ // -> def xxxabc
+ // 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: https://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, diffPointer, position;
+ 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 prefixes.
+ 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: ABA C -> AB AC
+ changes = false;
+ pointer = 1;
+
+ // Intentionally ignore the first and last element (don't need checking).
+ while ( pointer < diffs.length - 1 ) {
+ if ( diffs[ pointer - 1 ][ 0 ] === DIFF_EQUAL &&
+ diffs[ pointer + 1 ][ 0 ] === DIFF_EQUAL ) {
+
+ diffPointer = diffs[ pointer ][ 1 ];
+ position = diffPointer.substring(
+ diffPointer.length - diffs[ pointer - 1 ][ 1 ].length
+ );
+
+ // This is a single edit surrounded by equalities.
+ if ( position === 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 ( diffPointer.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 );
+ diff.diffCleanupEfficiency( output );
+ text = diff.diffPrettyHtml( output );
+
+ return text;
+ };
+}() );
+
+// Get a reference to the global object, like window in browsers
+}( (function() {
+ return this;
+})() ));
+
+(function() {
+
+// Don't load the HTML Reporter on non-Browser environments
+if ( typeof window === "undefined" || !window.document ) {
+ return;
+}
+
+// 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 =
+ "" +
+ "
" +
+ "" + val.label + " ";
+ } else {
+ urlConfigHtml += "" + val.label +
+ ": " + escaped + " ";
+ }
+ } else {
+ for ( j in val.value ) {
+ if ( hasOwn.call( val.value, j ) ) {
+ urlConfigHtml += "" + escapeText( val.value[ j ] ) + " ";
+ }
+ }
+ }
+ if ( config[ val.id ] && !selection ) {
+ escaped = escapeText( config[ val.id ] );
+ urlConfigHtml += "" + escaped + " ";
+ }
+ urlConfigHtml += "Module: " +
+ "< All Modules > ";
+
+ for ( i = 0; i < modulesList.length; i++ ) {
+ moduleFilterHtml += "" + escapeText( modulesList[ i ] ) + " ";
+ }
+ moduleFilterHtml += "" + 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...
" +
+ appendFilteredTest() +
+ "",
+ 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: " + 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" ) ) {
+ if ( details.negative ) {
+ expected = escapeText( "NOT " + QUnit.dump.parse( details.expected ) );
+ } else {
+ expected = escapeText( QUnit.dump.parse( details.expected ) );
+ }
+
+ actual = escapeText( QUnit.dump.parse( details.actual ) );
+ message += "Expected: " +
+ expected +
+ " Result: " +
+ actual + " Diff: " +
+ diff + " 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 occurs 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, sourceName,
+ 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 ) {
+
+ // Collapse the passing tests
+ addClass( assertList, "qunit-collapsed" );
+ } else if ( bad && config.collapse && !collapseNext ) {
+
+ // Skip collapsing the first failing test
+ collapseNext = true;
+ } else {
+
+ // Collapse remaining tests
+ 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 );
+ }
+
+ // Show the source of the test when showing assertions
+ if ( details.source ) {
+ sourceName = document.createElement( "p" );
+ sourceName.innerHTML = "Source: " + details.source;
+ addClass( sourceName, "qunit-source" );
+ if ( bad === 0 ) {
+ addClass( sourceName, "qunit-collapsed" );
+ }
+ addEvent( testTitle, "click", function() {
+ toggleClass( sourceName, "qunit-collapsed" );
+ });
+ testItem.appendChild( sourceName );
+ }
+});
+
+if ( defined.document ) {
+
+ // Avoid readyState issue with phantomjs
+ // Ref: #818
+ var notPhantom = ( function( p ) {
+ return !( p && p.version && p.version.major > 0 );
+ } )( window.phantom );
+
+ if ( notPhantom && document.readyState === "complete" ) {
+ QUnit.load();
+ } else {
+ addEvent( window, "load", QUnit.load );
+ }
+} else {
+ config.pageLoaded = true;
+ config.autorun = true;
+}
+
+})();