Merge "mediawiki.api: Use then() in getToken instead of manual Deferred wrapping"
[lhc/web/wiklou.git] / resources / lib / jquery / jquery.qunit.js
index 302545f..0e279fd 100644 (file)
@@ -1,11 +1,12 @@
-/**
- * QUnit v1.11.0 - A JavaScript Unit Testing Framework
- *
- * http://qunitjs.com
+/*!
+ * QUnit 1.14.0
+ * http://qunitjs.com/
  *
- * Copyright 2012 jQuery Foundation and other contributors
- * Released under the MIT license.
+ * Copyright 2013 jQuery Foundation and other contributors
+ * Released under the MIT license
  * http://jquery.org/license
+ *
+ * Date: 2014-01-31T16:40Z
  */
 
 (function( window ) {
@@ -20,7 +21,10 @@ var QUnit,
        hasOwn = Object.prototype.hasOwnProperty,
        // Keep a local reference to Date (GH-283)
        Date = window.Date,
+       setTimeout = window.setTimeout,
+       clearTimeout = window.clearTimeout,
        defined = {
+               document: typeof window.document !== "undefined",
                setTimeout: typeof window.setTimeout !== "undefined",
                sessionStorage: (function() {
                        var x = "qunit-test-string";
@@ -83,1485 +87,1601 @@ var QUnit,
                return vals;
        };
 
-function Test( settings ) {
-       extend( this, settings );
-       this.assertions = [];
-       this.testNumber = ++Test.count;
-}
 
-Test.count = 0;
+// Root QUnit object.
+// `QUnit` initialized at top of scope
+QUnit = {
 
-Test.prototype = {
-       init: function() {
-               var a, b, li,
-                       tests = id( "qunit-tests" );
+       // call on start of module test to prepend name to all tests
+       module: function( name, testEnvironment ) {
+               config.currentModule = name;
+               config.currentModuleTestEnvironment = testEnvironment;
+               config.modules[name] = true;
+       },
 
-               if ( tests ) {
-                       b = document.createElement( "strong" );
-                       b.innerHTML = this.nameHtml;
+       asyncTest: function( testName, expected, callback ) {
+               if ( arguments.length === 2 ) {
+                       callback = expected;
+                       expected = null;
+               }
 
-                       // `a` initialized at top of scope
-                       a = document.createElement( "a" );
-                       a.innerHTML = "Rerun";
-                       a.href = QUnit.url({ testNumber: this.testNumber });
+               QUnit.test( testName, expected, callback, true );
+       },
 
-                       li = document.createElement( "li" );
-                       li.appendChild( b );
-                       li.appendChild( a );
-                       li.className = "running";
-                       li.id = this.id = "qunit-test-output" + testId++;
+       test: function( testName, expected, callback, async ) {
+               var test,
+                       nameHtml = "<span class='test-name'>" + escapeText( testName ) + "</span>";
 
-                       tests.appendChild( li );
-               }
-       },
-       setup: function() {
-               if ( this.module !== config.previousModule ) {
-                       if ( config.previousModule ) {
-                               runLoggingCallbacks( "moduleDone", QUnit, {
-                                       name: config.previousModule,
-                                       failed: config.moduleStats.bad,
-                                       passed: config.moduleStats.all - config.moduleStats.bad,
-                                       total: config.moduleStats.all
-                               });
-                       }
-                       config.previousModule = this.module;
-                       config.moduleStats = { all: 0, bad: 0 };
-                       runLoggingCallbacks( "moduleStart", QUnit, {
-                               name: this.module
-                       });
-               } else if ( config.autorun ) {
-                       runLoggingCallbacks( "moduleStart", QUnit, {
-                               name: this.module
-                       });
+               if ( arguments.length === 2 ) {
+                       callback = expected;
+                       expected = null;
                }
 
-               config.current = this;
-
-               this.testEnvironment = extend({
-                       setup: function() {},
-                       teardown: function() {}
-               }, this.moduleTestEnvironment );
+               if ( config.currentModule ) {
+                       nameHtml = "<span class='module-name'>" + escapeText( config.currentModule ) + "</span>: " + nameHtml;
+               }
 
-               this.started = +new Date();
-               runLoggingCallbacks( "testStart", QUnit, {
-                       name: this.testName,
-                       module: this.module
+               test = new Test({
+                       nameHtml: nameHtml,
+                       testName: testName,
+                       expected: expected,
+                       async: async,
+                       callback: callback,
+                       module: config.currentModule,
+                       moduleTestEnvironment: config.currentModuleTestEnvironment,
+                       stack: sourceFromStacktrace( 2 )
                });
 
-               // allow utility functions to access the current test environment
-               // TODO why??
-               QUnit.current_testEnvironment = this.testEnvironment;
-
-               if ( !config.pollution ) {
-                       saveGlobal();
-               }
-               if ( config.notrycatch ) {
-                       this.testEnvironment.setup.call( this.testEnvironment );
+               if ( !validTest( test ) ) {
                        return;
                }
-               try {
-                       this.testEnvironment.setup.call( this.testEnvironment );
-               } catch( e ) {
-                       QUnit.pushFailure( "Setup failed on " + this.testName + ": " + ( e.message || e ), extractStacktrace( e, 1 ) );
-               }
-       },
-       run: function() {
-               config.current = this;
-
-               var running = id( "qunit-testresult" );
 
-               if ( running ) {
-                       running.innerHTML = "Running: <br/>" + this.nameHtml;
-               }
+               test.queue();
+       },
 
-               if ( this.async ) {
-                       QUnit.stop();
+       // 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) {
+                       config.current.expected = asserts;
+               } else {
+                       return config.current.expected;
                }
+       },
 
-               this.callbackStarted = +new Date();
-
-               if ( config.notrycatch ) {
-                       this.callback.call( this.testEnvironment, QUnit.assert );
-                       this.callbackRuntime = +new Date() - this.callbackStarted;
+       start: function( count ) {
+               // QUnit hasn't been initialized yet.
+               // Note: RequireJS (et al) may delay onLoad
+               if ( config.semaphore === undefined ) {
+                       QUnit.begin(function() {
+                               // This is triggered at the top of QUnit.load, push start() to the event loop, to allow QUnit.load to finish first
+                               setTimeout(function() {
+                                       QUnit.start( count );
+                               });
+                       });
                        return;
                }
 
-               try {
-                       this.callback.call( this.testEnvironment, QUnit.assert );
-                       this.callbackRuntime = +new Date() - this.callbackStarted;
-               } catch( e ) {
-                       this.callbackRuntime = +new Date() - this.callbackStarted;
-
-                       QUnit.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();
-                       }
+               config.semaphore -= count || 1;
+               // don't start until equal number of stop-calls
+               if ( config.semaphore > 0 ) {
+                       return;
                }
-       },
-       teardown: function() {
-               config.current = this;
-               if ( config.notrycatch ) {
-                       if ( typeof this.callbackRuntime === "undefined" ) {
-                               this.callbackRuntime = +new Date() - this.callbackStarted;
-                       }
-                       this.testEnvironment.teardown.call( this.testEnvironment );
+               // ignore if start is called more often then stop
+               if ( config.semaphore < 0 ) {
+                       config.semaphore = 0;
+                       QUnit.pushFailure( "Called start() while already started (QUnit.config.semaphore was 0 already)", null, sourceFromStacktrace(2) );
                        return;
+               }
+               // A slight delay, to avoid any current callbacks
+               if ( defined.setTimeout ) {
+                       setTimeout(function() {
+                               if ( config.semaphore > 0 ) {
+                                       return;
+                               }
+                               if ( config.timeout ) {
+                                       clearTimeout( config.timeout );
+                               }
+
+                               config.blocking = false;
+                               process( true );
+                       }, 13);
                } else {
-                       try {
-                               this.testEnvironment.teardown.call( this.testEnvironment );
-                       } catch( e ) {
-                               QUnit.pushFailure( "Teardown failed on " + this.testName + ": " + ( e.message || e ), extractStacktrace( e, 1 ) );
-                       }
+                       config.blocking = false;
+                       process( true );
                }
-               checkPollution();
        },
-       finish: function() {
-               config.current = this;
-               if ( config.requireExpects && this.expected === null ) {
-                       QUnit.pushFailure( "Expected number of assertions to be defined, but expect() was not called.", this.stack );
-               } else if ( this.expected !== null && this.expected !== this.assertions.length ) {
-                       QUnit.pushFailure( "Expected " + this.expected + " assertions, but " + this.assertions.length + " were run", this.stack );
-               } else if ( this.expected === null && !this.assertions.length ) {
-                       QUnit.pushFailure( "Expected at least one assertion, but none were run - call expect(0) to accept zero assertions.", this.stack );
+
+       stop: function( count ) {
+               config.semaphore += count || 1;
+               config.blocking = true;
+
+               if ( config.testTimeout && defined.setTimeout ) {
+                       clearTimeout( config.timeout );
+                       config.timeout = setTimeout(function() {
+                               QUnit.ok( false, "Test timed out" );
+                               config.semaphore = 1;
+                               QUnit.start();
+                       }, config.testTimeout );
                }
+       }
+};
 
-               var i, assertion, a, b, time, li, ol,
-                       test = this,
-                       good = 0,
-                       bad = 0,
-                       tests = id( "qunit-tests" );
+// We use the prototype to distinguish between properties that should
+// be exposed as globals (and in exports) and those that shouldn't
+(function() {
+       function F() {}
+       F.prototype = QUnit;
+       QUnit = new F();
+       // Make F QUnit's constructor so that we can add to the prototype later
+       QUnit.constructor = F;
+}());
 
-               this.runtime = +new Date() - this.started;
-               config.stats.all += this.assertions.length;
-               config.moduleStats.all += this.assertions.length;
+/**
+ * Config object: Maintain internal state
+ * Later exposed as QUnit.config
+ * `config` initialized at top of scope
+ */
+config = {
+       // The queue of tests to run
+       queue: [],
 
-               if ( tests ) {
-                       ol = document.createElement( "ol" );
-                       ol.className = "qunit-assert-list";
+       // block until document ready
+       blocking: true,
 
-                       for ( i = 0; i < this.assertions.length; i++ ) {
-                               assertion = this.assertions[i];
+       // when enabled, show only failing tests
+       // gets persisted through sessionStorage and can be changed in UI via checkbox
+       hidepassed: false,
 
-                               li = document.createElement( "li" );
-                               li.className = assertion.result ? "pass" : "fail";
-                               li.innerHTML = assertion.message || ( assertion.result ? "okay" : "failed" );
-                               ol.appendChild( li );
+       // by default, run previously failed tests first
+       // very useful in combination with "Hide passed tests" checked
+       reorder: true,
 
-                               if ( assertion.result ) {
-                                       good++;
-                               } else {
-                                       bad++;
-                                       config.stats.bad++;
-                                       config.moduleStats.bad++;
-                               }
-                       }
+       // by default, modify document.title when suite is done
+       altertitle: true,
 
-                       // store result when possible
-                       if ( QUnit.config.reorder && defined.sessionStorage ) {
-                               if ( bad ) {
-                                       sessionStorage.setItem( "qunit-test-" + this.module + "-" + this.testName, bad );
-                               } else {
-                                       sessionStorage.removeItem( "qunit-test-" + this.module + "-" + this.testName );
-                               }
-                       }
+       // by default, scroll to top of the page when suite is done
+       scrolltop: true,
 
-                       if ( bad === 0 ) {
-                               addClass( ol, "qunit-collapsed" );
-                       }
+       // when enabled, all tests must call expect()
+       requireExpects: false,
 
-                       // `b` initialized at top of scope
-                       b = document.createElement( "strong" );
-                       b.innerHTML = this.nameHtml + " <b class='counts'>(<b class='failed'>" + bad + "</b>, <b class='passed'>" + good + "</b>, " + this.assertions.length + ")</b>";
+       // add checkboxes that are persisted in the query-string
+       // when enabled, the id is set to `true` as a `QUnit.config` property
+       urlConfig: [
+               {
+                       id: "noglobals",
+                       label: "Check for Globals",
+                       tooltip: "Enabling this will test if any test introduces new properties on the `window` object. Stored as query-strings."
+               },
+               {
+                       id: "notrycatch",
+                       label: "No try-catch",
+                       tooltip: "Enabling this will run tests outside of a try-catch block. Makes debugging exceptions in IE reasonable. Stored as query-strings."
+               }
+       ],
 
-                       addEvent(b, "click", function() {
-                               var next = b.parentNode.lastChild,
-                                       collapsed = hasClass( next, "qunit-collapsed" );
-                               ( collapsed ? removeClass : addClass )( next, "qunit-collapsed" );
-                       });
+       // Set of all modules.
+       modules: {},
 
-                       addEvent(b, "dblclick", function( e ) {
-                               var target = e && e.target ? e.target : window.event.srcElement;
-                               if ( target.nodeName.toLowerCase() === "span" || target.nodeName.toLowerCase() === "b" ) {
-                                       target = target.parentNode;
-                               }
-                               if ( window.location && target.nodeName.toLowerCase() === "strong" ) {
-                                       window.location = QUnit.url({ testNumber: test.testNumber });
-                               }
-                       });
+       // logging callback queues
+       begin: [],
+       done: [],
+       log: [],
+       testStart: [],
+       testDone: [],
+       moduleStart: [],
+       moduleDone: []
+};
 
-                       // `time` initialized at top of scope
-                       time = document.createElement( "span" );
-                       time.className = "runtime";
-                       time.innerHTML = this.runtime + " ms";
+// Initialize more QUnit.config and QUnit.urlParams
+(function() {
+       var i, current,
+               location = window.location || { search: "", protocol: "file:" },
+               params = location.search.slice( 1 ).split( "&" ),
+               length = params.length,
+               urlParams = {};
 
-                       // `li` initialized at top of scope
-                       li = id( this.id );
-                       li.className = bad ? "fail" : "pass";
-                       li.removeChild( li.firstChild );
-                       a = li.firstChild;
-                       li.appendChild( b );
-                       li.appendChild( a );
-                       li.appendChild( time );
-                       li.appendChild( ol );
+       if ( params[ 0 ] ) {
+               for ( i = 0; i < length; i++ ) {
+                       current = params[ i ].split( "=" );
+                       current[ 0 ] = decodeURIComponent( current[ 0 ] );
 
-               } else {
-                       for ( i = 0; i < this.assertions.length; i++ ) {
-                               if ( !this.assertions[i].result ) {
-                                       bad++;
-                                       config.stats.bad++;
-                                       config.moduleStats.bad++;
-                               }
+                       // allow just a key to turn on a flag, e.g., test.html?noglobals
+                       current[ 1 ] = current[ 1 ] ? decodeURIComponent( current[ 1 ] ) : true;
+                       if ( urlParams[ current[ 0 ] ] ) {
+                               urlParams[ current[ 0 ] ] = [].concat( urlParams[ current[ 0 ] ], current[ 1 ] );
+                       } else {
+                               urlParams[ current[ 0 ] ] = current[ 1 ];
                        }
                }
+       }
 
-               runLoggingCallbacks( "testDone", QUnit, {
-                       name: this.testName,
-                       module: this.module,
-                       failed: bad,
-                       passed: this.assertions.length - bad,
-                       total: this.assertions.length,
-                       duration: this.runtime
-               });
-
-               QUnit.reset();
-
-               config.current = undefined;
-       },
+       QUnit.urlParams = urlParams;
 
-       queue: function() {
-               var bad,
-                       test = this;
+       // String search anywhere in moduleName+testName
+       config.filter = urlParams.filter;
 
-               synchronize(function() {
-                       test.init();
-               });
-               function run() {
-                       // each of these can by async
-                       synchronize(function() {
-                               test.setup();
-                       });
-                       synchronize(function() {
-                               test.run();
-                       });
-                       synchronize(function() {
-                               test.teardown();
-                       });
-                       synchronize(function() {
-                               test.finish();
-                       });
-               }
+       // Exact match of the module name
+       config.module = urlParams.module;
 
-               // `bad` initialized at top of scope
-               // defer when previous test run passed, if storage is available
-               bad = QUnit.config.reorder && defined.sessionStorage &&
-                                               +sessionStorage.getItem( "qunit-test-" + this.module + "-" + this.testName );
+       config.testNumber = [];
+       if ( urlParams.testNumber ) {
 
-               if ( bad ) {
-                       run();
-               } else {
-                       synchronize( run, true );
+               // Ensure that urlParams.testNumber is an array
+               urlParams.testNumber = [].concat( urlParams.testNumber );
+               for ( i = 0; i < urlParams.testNumber.length; i++ ) {
+                       current = urlParams.testNumber[ i ];
+                       config.testNumber.push( parseInt( current, 10 ) );
                }
        }
-};
 
-// Root QUnit object.
-// `QUnit` initialized at top of scope
-QUnit = {
+       // Figure out if we're running the tests from a server or not
+       QUnit.isLocal = location.protocol === "file:";
+}());
 
-       // call on start of module test to prepend name to all tests
-       module: function( name, testEnvironment ) {
-               config.currentModule = name;
-               config.currentModuleTestEnvironment = testEnvironment;
-               config.modules[name] = true;
-       },
+extend( QUnit, {
 
-       asyncTest: function( testName, expected, callback ) {
-               if ( arguments.length === 2 ) {
-                       callback = expected;
-                       expected = null;
-               }
+       config: config,
 
-               QUnit.test( testName, expected, callback, true );
-       },
+       // Initialize the configuration options
+       init: function() {
+               extend( config, {
+                       stats: { all: 0, bad: 0 },
+                       moduleStats: { all: 0, bad: 0 },
+                       started: +new Date(),
+                       updateRate: 1000,
+                       blocking: false,
+                       autostart: true,
+                       autorun: false,
+                       filter: "",
+                       queue: [],
+                       semaphore: 1
+               });
 
-       test: function( testName, expected, callback, async ) {
-               var test,
-                       nameHtml = "<span class='test-name'>" + escapeText( testName ) + "</span>";
+               var tests, banner, result,
+                       qunit = id( "qunit" );
 
-               if ( arguments.length === 2 ) {
-                       callback = expected;
-                       expected = null;
+               if ( qunit ) {
+                       qunit.innerHTML =
+                               "<h1 id='qunit-header'>" + escapeText( document.title ) + "</h1>" +
+                               "<h2 id='qunit-banner'></h2>" +
+                               "<div id='qunit-testrunner-toolbar'></div>" +
+                               "<h2 id='qunit-userAgent'></h2>" +
+                               "<ol id='qunit-tests'></ol>";
                }
 
-               if ( config.currentModule ) {
-                       nameHtml = "<span class='module-name'>" + escapeText( config.currentModule ) + "</span>: " + nameHtml;
+               tests = id( "qunit-tests" );
+               banner = id( "qunit-banner" );
+               result = id( "qunit-testresult" );
+
+               if ( tests ) {
+                       tests.innerHTML = "";
                }
 
-               test = new Test({
-                       nameHtml: nameHtml,
-                       testName: testName,
-                       expected: expected,
-                       async: async,
-                       callback: callback,
-                       module: config.currentModule,
-                       moduleTestEnvironment: config.currentModuleTestEnvironment,
-                       stack: sourceFromStacktrace( 2 )
-               });
+               if ( banner ) {
+                       banner.className = "";
+               }
 
-               if ( !validTest( test ) ) {
-                       return;
+               if ( result ) {
+                       result.parentNode.removeChild( result );
                }
 
-               test.queue();
+               if ( tests ) {
+                       result = document.createElement( "p" );
+                       result.id = "qunit-testresult";
+                       result.className = "result";
+                       tests.parentNode.insertBefore( result, tests );
+                       result.innerHTML = "Running...<br/>&nbsp;";
+               }
        },
 
-       // Specify the number of expected assertions to gurantee that failed test (no assertions are run at all) don't slip through.
-       expect: function( asserts ) {
-               if (arguments.length === 1) {
-                       config.current.expected = asserts;
-               } else {
-                       return config.current.expected;
+       // 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
+       */
+       reset: function() {
+               var fixture = id( "qunit-fixture" );
+               if ( fixture ) {
+                       fixture.innerHTML = config.fixture;
                }
        },
 
-       start: function( count ) {
-               // QUnit hasn't been initialized yet.
-               // Note: RequireJS (et al) may delay onLoad
-               if ( config.semaphore === undefined ) {
-                       QUnit.begin(function() {
-                               // This is triggered at the top of QUnit.load, push start() to the event loop, to allow QUnit.load to finish first
-                               setTimeout(function() {
-                                       QUnit.start( count );
-                               });
-                       });
-                       return;
-               }
+       // Safe object type checking
+       is: function( type, obj ) {
+               return QUnit.objectType( obj ) === type;
+       },
 
-               config.semaphore -= count || 1;
-               // don't start until equal number of stop-calls
-               if ( config.semaphore > 0 ) {
-                       return;
+       objectType: function( obj ) {
+               if ( typeof obj === "undefined" ) {
+                       return "undefined";
                }
-               // ignore if start is called more often then stop
-               if ( config.semaphore < 0 ) {
-                       config.semaphore = 0;
-                       QUnit.pushFailure( "Called start() while already started (QUnit.config.semaphore was 0 already)", null, sourceFromStacktrace(2) );
-                       return;
+
+               // Consider: typeof null === object
+               if ( obj === null ) {
+                       return "null";
                }
-               // A slight delay, to avoid any current callbacks
-               if ( defined.setTimeout ) {
-                       window.setTimeout(function() {
-                               if ( config.semaphore > 0 ) {
-                                       return;
-                               }
-                               if ( config.timeout ) {
-                                       clearTimeout( config.timeout );
-                               }
-
-                               config.blocking = false;
-                               process( true );
-                       }, 13);
-               } else {
-                       config.blocking = false;
-                       process( true );
-               }
-       },
 
-       stop: function( count ) {
-               config.semaphore += count || 1;
-               config.blocking = true;
+               var match = toString.call( obj ).match(/^\[object\s(.*)\]$/),
+                       type = match && match[1] || "";
 
-               if ( config.testTimeout && defined.setTimeout ) {
-                       clearTimeout( config.timeout );
-                       config.timeout = window.setTimeout(function() {
-                               QUnit.ok( false, "Test timed out" );
-                               config.semaphore = 1;
-                               QUnit.start();
-                       }, config.testTimeout );
+               switch ( type ) {
+                       case "Number":
+                               if ( isNaN(obj) ) {
+                                       return "nan";
+                               }
+                               return "number";
+                       case "String":
+                       case "Boolean":
+                       case "Array":
+                       case "Date":
+                       case "RegExp":
+                       case "Function":
+                               return type.toLowerCase();
                }
-       }
-};
+               if ( typeof obj === "object" ) {
+                       return "object";
+               }
+               return undefined;
+       },
 
-// `assert` initialized at top of scope
-// Asssert helpers
-// All of these must either call QUnit.push() or manually do:
-// - runLoggingCallbacks( "log", .. );
-// - config.current.assertions.push({ .. });
-// We attach it to the QUnit object *after* we expose the public API,
-// otherwise `assert` will become a global variable in browsers (#341).
-assert = {
-       /**
-        * Asserts rough true-ish result.
-        * @name ok
-        * @function
-        * @example ok( "asdfasdf".length > 5, "There must be at least 5 chars" );
-        */
-       ok: function( result, msg ) {
+       push: function( result, actual, expected, message ) {
                if ( !config.current ) {
-                       throw new Error( "ok() assertion outside test context, was " + sourceFromStacktrace(2) );
+                       throw new Error( "assertion outside test context, was " + sourceFromStacktrace() );
                }
-               result = !!result;
 
-               var source,
+               var output, source,
                        details = {
                                module: config.current.module,
                                name: config.current.testName,
                                result: result,
-                               message: msg
+                               message: message,
+                               actual: actual,
+                               expected: expected
                        };
 
-               msg = escapeText( msg || (result ? "okay" : "failed" ) );
-               msg = "<span class='test-message'>" + msg + "</span>";
+               message = escapeText( message ) || ( result ? "okay" : "failed" );
+               message = "<span class='test-message'>" + message + "</span>";
+               output = message;
 
                if ( !result ) {
-                       source = sourceFromStacktrace( 2 );
+                       expected = escapeText( QUnit.jsDump.parse(expected) );
+                       actual = escapeText( QUnit.jsDump.parse(actual) );
+                       output += "<table><tr class='test-expected'><th>Expected: </th><td><pre>" + expected + "</pre></td></tr>";
+
+                       if ( actual !== expected ) {
+                               output += "<tr class='test-actual'><th>Result: </th><td><pre>" + actual + "</pre></td></tr>";
+                               output += "<tr class='test-diff'><th>Diff: </th><td><pre>" + QUnit.diff( expected, actual ) + "</pre></td></tr>";
+                       }
+
+                       source = sourceFromStacktrace();
+
                        if ( source ) {
                                details.source = source;
-                               msg += "<table><tr class='test-source'><th>Source: </th><td><pre>" + escapeText( source ) + "</pre></td></tr></table>";
+                               output += "<tr class='test-source'><th>Source: </th><td><pre>" + escapeText( source ) + "</pre></td></tr>";
                        }
+
+                       output += "</table>";
                }
+
                runLoggingCallbacks( "log", QUnit, details );
+
                config.current.assertions.push({
-                       result: result,
-                       message: msg
+                       result: !!result,
+                       message: output
                });
        },
 
-       /**
-        * Assert that the first two arguments are equal, with an optional message.
-        * Prints out both actual and expected values.
-        * @name equal
-        * @function
-        * @example equal( format( "Received {0} bytes.", 2), "Received 2 bytes.", "format() replaces {0} with next argument" );
-        */
-       equal: function( actual, expected, message ) {
-               /*jshint eqeqeq:false */
-               QUnit.push( expected == actual, actual, expected, message );
-       },
-
-       /**
-        * @name notEqual
-        * @function
-        */
-       notEqual: function( actual, expected, message ) {
-               /*jshint eqeqeq:false */
-               QUnit.push( expected != actual, actual, expected, message );
-       },
+       pushFailure: function( message, source, actual ) {
+               if ( !config.current ) {
+                       throw new Error( "pushFailure() assertion outside test context, was " + sourceFromStacktrace(2) );
+               }
 
-       /**
-        * @name propEqual
-        * @function
-        */
-       propEqual: function( actual, expected, message ) {
-               actual = objectValues(actual);
-               expected = objectValues(expected);
-               QUnit.push( QUnit.equiv(actual, expected), actual, expected, message );
-       },
+               var output,
+                       details = {
+                               module: config.current.module,
+                               name: config.current.testName,
+                               result: false,
+                               message: message
+                       };
 
-       /**
-        * @name notPropEqual
-        * @function
-        */
-       notPropEqual: function( actual, expected, message ) {
-               actual = objectValues(actual);
-               expected = objectValues(expected);
-               QUnit.push( !QUnit.equiv(actual, expected), actual, expected, message );
-       },
+               message = escapeText( message ) || "error";
+               message = "<span class='test-message'>" + message + "</span>";
+               output = message;
 
-       /**
-        * @name deepEqual
-        * @function
-        */
-       deepEqual: function( actual, expected, message ) {
-               QUnit.push( QUnit.equiv(actual, expected), actual, expected, message );
-       },
+               output += "<table>";
 
-       /**
-        * @name notDeepEqual
-        * @function
-        */
-       notDeepEqual: function( actual, expected, message ) {
-               QUnit.push( !QUnit.equiv(actual, expected), actual, expected, message );
-       },
+               if ( actual ) {
+                       output += "<tr class='test-actual'><th>Result: </th><td><pre>" + escapeText( actual ) + "</pre></td></tr>";
+               }
 
-       /**
-        * @name strictEqual
-        * @function
-        */
-       strictEqual: function( actual, expected, message ) {
-               QUnit.push( expected === actual, actual, expected, message );
-       },
+               if ( source ) {
+                       details.source = source;
+                       output += "<tr class='test-source'><th>Source: </th><td><pre>" + escapeText( source ) + "</pre></td></tr>";
+               }
 
-       /**
-        * @name notStrictEqual
-        * @function
-        */
-       notStrictEqual: function( actual, expected, message ) {
-               QUnit.push( expected !== actual, actual, expected, message );
-       },
+               output += "</table>";
 
-       "throws": function( block, expected, message ) {
-               var actual,
-                       expectedOutput = expected,
-                       ok = false;
+               runLoggingCallbacks( "log", QUnit, details );
 
-               // 'expected' is optional
-               if ( typeof expected === "string" ) {
-                       message = expected;
-                       expected = null;
-               }
+               config.current.assertions.push({
+                       result: false,
+                       message: output
+               });
+       },
 
-               config.current.ignoreGlobalErrors = true;
-               try {
-                       block.call( config.current.testEnvironment );
-               } catch (e) {
-                       actual = e;
-               }
-               config.current.ignoreGlobalErrors = false;
+       url: function( params ) {
+               params = extend( extend( {}, QUnit.urlParams ), params );
+               var key,
+                       querystring = "?";
 
-               if ( actual ) {
-                       // we don't want to validate thrown error
-                       if ( !expected ) {
-                               ok = true;
-                               expectedOutput = null;
-                       // expected is a regexp
-                       } else if ( QUnit.objectType( expected ) === "regexp" ) {
-                               ok = expected.test( errorString( actual ) );
-                       // expected is a constructor
-                       } else if ( actual instanceof expected ) {
-                               ok = true;
-                       // expected is a validation function which returns true is validation passed
-                       } else if ( expected.call( {}, actual ) === true ) {
-                               expectedOutput = null;
-                               ok = true;
+               for ( key in params ) {
+                       if ( hasOwn.call( params, key ) ) {
+                               querystring += encodeURIComponent( key ) + "=" +
+                                       encodeURIComponent( params[ key ] ) + "&";
                        }
-
-                       QUnit.push( ok, actual, expectedOutput, message );
-               } else {
-                       QUnit.pushFailure( message, null, 'No exception was thrown.' );
                }
-       }
-};
+               return window.location.protocol + "//" + window.location.host +
+                       window.location.pathname + querystring.slice( 0, -1 );
+       },
 
-/**
- * @deprecate since 1.8.0
- * Kept assertion helpers in root for backwards compatibility.
- */
-extend( QUnit, assert );
+       extend: extend,
+       id: id,
+       addEvent: addEvent,
+       addClass: addClass,
+       hasClass: hasClass,
+       removeClass: removeClass
+       // load, equiv, jsDump, diff: Attached later
+});
 
 /**
- * @deprecated since 1.9.0
- * Kept root "raises()" for backwards compatibility.
- * (Note that we don't introduce assert.raises).
+ * @deprecated: Created for backwards compatibility with test runner that set the hook function
+ * into QUnit.{hook}, instead of invoking it and passing the hook function.
+ * QUnit.constructor is set to the empty F() above so that we can add to it's prototype here.
+ * Doing this allows us to tell if the following methods have been overwritten on the actual
+ * QUnit object.
  */
-QUnit.raises = assert[ "throws" ];
+extend( QUnit.constructor.prototype, {
 
-/**
- * @deprecated since 1.0.0, replaced with error pushes since 1.3.0
- * Kept to avoid TypeErrors for undefined methods.
- */
-QUnit.equals = function() {
-       QUnit.push( false, false, false, "QUnit.equals has been deprecated since 2009 (e88049a0), use QUnit.equal instead" );
-};
-QUnit.same = function() {
-       QUnit.push( false, false, false, "QUnit.same has been deprecated since 2009 (e88049a0), use QUnit.deepEqual instead" );
-};
+       // Logging callbacks; all receive a single argument with the listed properties
+       // run test/logs.html for any related changes
+       begin: registerLoggingCallback( "begin" ),
 
-// We want access to the constructor's prototype
-(function() {
-       function F() {}
-       F.prototype = QUnit;
-       QUnit = new F();
-       // Make F QUnit's constructor so that we can add to the prototype later
-       QUnit.constructor = F;
-}());
-
-/**
- * Config object: Maintain internal state
- * Later exposed as QUnit.config
- * `config` initialized at top of scope
- */
-config = {
-       // The queue of tests to run
-       queue: [],
+       // done: { failed, passed, total, runtime }
+       done: registerLoggingCallback( "done" ),
 
-       // block until document ready
-       blocking: true,
+       // log: { result, actual, expected, message }
+       log: registerLoggingCallback( "log" ),
 
-       // when enabled, show only failing tests
-       // gets persisted through sessionStorage and can be changed in UI via checkbox
-       hidepassed: false,
+       // testStart: { name }
+       testStart: registerLoggingCallback( "testStart" ),
 
-       // by default, run previously failed tests first
-       // very useful in combination with "Hide passed tests" checked
-       reorder: true,
+       // testDone: { name, failed, passed, total, runtime }
+       testDone: registerLoggingCallback( "testDone" ),
 
-       // by default, modify document.title when suite is done
-       altertitle: true,
+       // moduleStart: { name }
+       moduleStart: registerLoggingCallback( "moduleStart" ),
 
-       // when enabled, all tests must call expect()
-       requireExpects: false,
+       // moduleDone: { name, failed, passed, total }
+       moduleDone: registerLoggingCallback( "moduleDone" )
+});
 
-       // add checkboxes that are persisted in the query-string
-       // when enabled, the id is set to `true` as a `QUnit.config` property
-       urlConfig: [
-               {
-                       id: "noglobals",
-                       label: "Check for Globals",
-                       tooltip: "Enabling this will test if any test introduces new properties on the `window` object. Stored as query-strings."
-               },
-               {
-                       id: "notrycatch",
-                       label: "No try-catch",
-                       tooltip: "Enabling this will run tests outside of a try-catch block. Makes debugging exceptions in IE reasonable. Stored as query-strings."
-               }
-       ],
+if ( !defined.document || document.readyState === "complete" ) {
+       config.autorun = true;
+}
 
-       // Set of all modules.
-       modules: {},
+QUnit.load = function() {
+       runLoggingCallbacks( "begin", QUnit, {} );
 
-       // logging callback queues
-       begin: [],
-       done: [],
-       log: [],
-       testStart: [],
-       testDone: [],
-       moduleStart: [],
-       moduleDone: []
-};
+       // Initialize the config, saving the execution queue
+       var banner, filter, i, j, label, len, main, ol, toolbar, val, selection,
+               urlConfigContainer, moduleFilter, userAgent,
+               numModules = 0,
+               moduleNames = [],
+               moduleFilterHtml = "",
+               urlConfigHtml = "",
+               oldconfig = extend( {}, config );
 
-// Export global variables, unless an 'exports' object exists,
-// in that case we assume we're in CommonJS (dealt with on the bottom of the script)
-if ( typeof exports === "undefined" ) {
-       extend( window, QUnit );
+       QUnit.init();
+       extend(config, oldconfig);
 
-       // Expose QUnit object
-       window.QUnit = QUnit;
-}
+       config.blocking = false;
 
-// Initialize more QUnit.config and QUnit.urlParams
-(function() {
-       var i,
-               location = window.location || { search: "", protocol: "file:" },
-               params = location.search.slice( 1 ).split( "&" ),
-               length = params.length,
-               urlParams = {},
-               current;
+       len = config.urlConfig.length;
 
-       if ( params[ 0 ] ) {
-               for ( i = 0; i < length; i++ ) {
-                       current = params[ i ].split( "=" );
-                       current[ 0 ] = decodeURIComponent( current[ 0 ] );
-                       // allow just a key to turn on a flag, e.g., test.html?noglobals
-                       current[ 1 ] = current[ 1 ] ? decodeURIComponent( current[ 1 ] ) : true;
-                       urlParams[ current[ 0 ] ] = current[ 1 ];
+       for ( i = 0; i < len; i++ ) {
+               val = config.urlConfig[i];
+               if ( typeof val === "string" ) {
+                       val = {
+                               id: val,
+                               label: val
+                       };
+               }
+               config[ val.id ] = QUnit.urlParams[ val.id ];
+               if ( !val.value || typeof val.value === "string" ) {
+                       urlConfigHtml += "<input id='qunit-urlconfig-" + escapeText( val.id ) +
+                               "' name='" + escapeText( val.id ) +
+                               "' type='checkbox'" +
+                               ( val.value ? " value='" + escapeText( val.value ) + "'" : "" ) +
+                               ( config[ val.id ] ? " checked='checked'" : "" ) +
+                               " title='" + escapeText( val.tooltip ) +
+                               "'><label for='qunit-urlconfig-" + escapeText( val.id ) +
+                               "' title='" + escapeText( val.tooltip ) + "'>" + val.label + "</label>";
+               } else {
+                       urlConfigHtml += "<label for='qunit-urlconfig-" + escapeText( val.id ) +
+                               "' title='" + escapeText( val.tooltip ) +
+                               "'>" + val.label +
+                               ": </label><select id='qunit-urlconfig-" + escapeText( val.id ) +
+                               "' name='" + escapeText( val.id ) +
+                               "' title='" + escapeText( val.tooltip ) +
+                               "'><option></option>";
+                       selection = false;
+                       if ( QUnit.is( "array", val.value ) ) {
+                               for ( j = 0; j < val.value.length; j++ ) {
+                                       urlConfigHtml += "<option value='" + escapeText( val.value[j] ) + "'" +
+                                               ( config[ val.id ] === val.value[j] ?
+                                                       (selection = true) && " selected='selected'" :
+                                                       "" ) +
+                                               ">" + escapeText( val.value[j] ) + "</option>";
+                               }
+                       } else {
+                               for ( j in val.value ) {
+                                       if ( hasOwn.call( val.value, j ) ) {
+                                               urlConfigHtml += "<option value='" + escapeText( j ) + "'" +
+                                                       ( config[ val.id ] === j ?
+                                                               (selection = true) && " selected='selected'" :
+                                                               "" ) +
+                                                       ">" + escapeText( val.value[j] ) + "</option>";
+                                       }
+                               }
+                       }
+                       if ( config[ val.id ] && !selection ) {
+                               urlConfigHtml += "<option value='" + escapeText( config[ val.id ] ) +
+                                       "' selected='selected' disabled='disabled'>" +
+                                       escapeText( config[ val.id ] ) +
+                                       "</option>";
+                       }
+                       urlConfigHtml += "</select>";
                }
        }
+       for ( i in config.modules ) {
+               if ( config.modules.hasOwnProperty( i ) ) {
+                       moduleNames.push(i);
+               }
+       }
+       numModules = moduleNames.length;
+       moduleNames.sort( function( a, b ) {
+               return a.localeCompare( b );
+       });
+       moduleFilterHtml += "<label for='qunit-modulefilter'>Module: </label><select id='qunit-modulefilter' name='modulefilter'><option value='' " +
+               ( config.module === undefined  ? "selected='selected'" : "" ) +
+               ">< All Modules ></option>";
 
-       QUnit.urlParams = urlParams;
-
-       // String search anywhere in moduleName+testName
-       config.filter = urlParams.filter;
 
-       // Exact match of the module name
-       config.module = urlParams.module;
+       for ( i = 0; i < numModules; i++) {
+                       moduleFilterHtml += "<option value='" + escapeText( encodeURIComponent(moduleNames[i]) ) + "' " +
+                               ( config.module === moduleNames[i] ? "selected='selected'" : "" ) +
+                               ">" + escapeText(moduleNames[i]) + "</option>";
+       }
+       moduleFilterHtml += "</select>";
 
-       config.testNumber = parseInt( urlParams.testNumber, 10 ) || null;
+       // `userAgent` initialized at top of scope
+       userAgent = id( "qunit-userAgent" );
+       if ( userAgent ) {
+               userAgent.innerHTML = navigator.userAgent;
+       }
 
-       // Figure out if we're running the tests from a server or not
-       QUnit.isLocal = location.protocol === "file:";
-}());
+       // `banner` initialized at top of scope
+       banner = id( "qunit-header" );
+       if ( banner ) {
+               banner.innerHTML = "<a href='" + QUnit.url({ filter: undefined, module: undefined, testNumber: undefined }) + "'>" + banner.innerHTML + "</a> ";
+       }
 
-// Extend QUnit object,
-// these after set here because they should not be exposed as global functions
-extend( QUnit, {
-       assert: assert,
+       // `toolbar` initialized at top of scope
+       toolbar = id( "qunit-testrunner-toolbar" );
+       if ( toolbar ) {
+               // `filter` initialized at top of scope
+               filter = document.createElement( "input" );
+               filter.type = "checkbox";
+               filter.id = "qunit-filter-pass";
 
-       config: config,
+               addEvent( filter, "click", function() {
+                       var tmp,
+                               ol = id( "qunit-tests" );
 
-       // Initialize the configuration options
-       init: function() {
-               extend( config, {
-                       stats: { all: 0, bad: 0 },
-                       moduleStats: { all: 0, bad: 0 },
-                       started: +new Date(),
-                       updateRate: 1000,
-                       blocking: false,
-                       autostart: true,
-                       autorun: false,
-                       filter: "",
-                       queue: [],
-                       semaphore: 1
+                       if ( filter.checked ) {
+                               ol.className = ol.className + " hidepass";
+                       } else {
+                               tmp = " " + ol.className.replace( /[\n\t\r]/g, " " ) + " ";
+                               ol.className = tmp.replace( / hidepass /, " " );
+                       }
+                       if ( defined.sessionStorage ) {
+                               if (filter.checked) {
+                                       sessionStorage.setItem( "qunit-filter-passed-tests", "true" );
+                               } else {
+                                       sessionStorage.removeItem( "qunit-filter-passed-tests" );
+                               }
+                       }
                });
 
-               var tests, banner, result,
-                       qunit = id( "qunit" );
-
-               if ( qunit ) {
-                       qunit.innerHTML =
-                               "<h1 id='qunit-header'>" + escapeText( document.title ) + "</h1>" +
-                               "<h2 id='qunit-banner'></h2>" +
-                               "<div id='qunit-testrunner-toolbar'></div>" +
-                               "<h2 id='qunit-userAgent'></h2>" +
-                               "<ol id='qunit-tests'></ol>";
+               if ( config.hidepassed || defined.sessionStorage && sessionStorage.getItem( "qunit-filter-passed-tests" ) ) {
+                       filter.checked = true;
+                       // `ol` initialized at top of scope
+                       ol = id( "qunit-tests" );
+                       ol.className = ol.className + " hidepass";
                }
+               toolbar.appendChild( filter );
 
-               tests = id( "qunit-tests" );
-               banner = id( "qunit-banner" );
-               result = id( "qunit-testresult" );
+               // `label` initialized at top of scope
+               label = document.createElement( "label" );
+               label.setAttribute( "for", "qunit-filter-pass" );
+               label.setAttribute( "title", "Only show tests and assertions that fail. Stored in sessionStorage." );
+               label.innerHTML = "Hide passed tests";
+               toolbar.appendChild( label );
 
-               if ( tests ) {
-                       tests.innerHTML = "";
-               }
+               urlConfigContainer = document.createElement("span");
+               urlConfigContainer.innerHTML = urlConfigHtml;
+               // For oldIE support:
+               // * Add handlers to the individual elements instead of the container
+               // * Use "click" instead of "change" for checkboxes
+               // * Fallback from event.target to event.srcElement
+               addEvents( urlConfigContainer.getElementsByTagName("input"), "click", function( event ) {
+                       var params = {},
+                               target = event.target || event.srcElement;
+                       params[ target.name ] = target.checked ?
+                               target.defaultValue || true :
+                               undefined;
+                       window.location = QUnit.url( params );
+               });
+               addEvents( urlConfigContainer.getElementsByTagName("select"), "change", function( event ) {
+                       var params = {},
+                               target = event.target || event.srcElement;
+                       params[ target.name ] = target.options[ target.selectedIndex ].value || undefined;
+                       window.location = QUnit.url( params );
+               });
+               toolbar.appendChild( urlConfigContainer );
 
-               if ( banner ) {
-                       banner.className = "";
-               }
+               if (numModules > 1) {
+                       moduleFilter = document.createElement( "span" );
+                       moduleFilter.setAttribute( "id", "qunit-modulefilter-container" );
+                       moduleFilter.innerHTML = moduleFilterHtml;
+                       addEvent( moduleFilter.lastChild, "change", function() {
+                               var selectBox = moduleFilter.getElementsByTagName("select")[0],
+                                       selectedModule = decodeURIComponent(selectBox.options[selectBox.selectedIndex].value);
 
-               if ( result ) {
-                       result.parentNode.removeChild( result );
+                               window.location = QUnit.url({
+                                       module: ( selectedModule === "" ) ? undefined : selectedModule,
+                                       // Remove any existing filters
+                                       filter: undefined,
+                                       testNumber: undefined
+                               });
+                       });
+                       toolbar.appendChild(moduleFilter);
                }
+       }
 
-               if ( tests ) {
-                       result = document.createElement( "p" );
-                       result.id = "qunit-testresult";
-                       result.className = "result";
-                       tests.parentNode.insertBefore( result, tests );
-                       result.innerHTML = "Running...<br/>&nbsp;";
-               }
-       },
+       // `main` initialized at top of scope
+       main = id( "qunit-fixture" );
+       if ( main ) {
+               config.fixture = main.innerHTML;
+       }
 
-       // Resets the test setup. Useful for tests that modify the DOM.
-       reset: function() {
-               var fixture = id( "qunit-fixture" );
-               if ( fixture ) {
-                       fixture.innerHTML = config.fixture;
-               }
-       },
+       if ( config.autostart ) {
+               QUnit.start();
+       }
+};
 
-       // Trigger an event on an element.
-       // @example triggerEvent( document.body, "click" );
-       triggerEvent: function( elem, type, event ) {
-               if ( document.createEvent ) {
-                       event = document.createEvent( "MouseEvents" );
-                       event.initMouseEvent(type, true, true, elem.ownerDocument.defaultView,
-                               0, 0, 0, 0, 0, false, false, false, false, 0, null);
+if ( defined.document ) {
+       addEvent( window, "load", QUnit.load );
+}
 
-                       elem.dispatchEvent( event );
-               } else if ( elem.fireEvent ) {
-                       elem.fireEvent( "on" + type );
-               }
-       },
+// `onErrorFnPrev` initialized at top of scope
+// Preserve other handlers
+onErrorFnPrev = window.onerror;
 
-       // Safe object type checking
-       is: function( type, obj ) {
-               return QUnit.objectType( obj ) === type;
-       },
+// 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 );
+       }
 
-       objectType: function( obj ) {
-               if ( typeof obj === "undefined" ) {
-                               return "undefined";
-               // consider: typeof null === object
-               }
-               if ( obj === null ) {
-                               return "null";
+       // 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: validTest } ) );
                }
+               return false;
+       }
 
-               var match = toString.call( obj ).match(/^\[object\s(.*)\]$/),
-                       type = match && match[1] || "";
-
-               switch ( type ) {
-                       case "Number":
-                               if ( isNaN(obj) ) {
-                                       return "nan";
-                               }
-                               return "number";
-                       case "String":
-                       case "Boolean":
-                       case "Array":
-                       case "Date":
-                       case "RegExp":
-                       case "Function":
-                               return type.toLowerCase();
-               }
-               if ( typeof obj === "object" ) {
-                       return "object";
-               }
-               return undefined;
-       },
+       return ret;
+};
 
-       push: function( result, actual, expected, message ) {
-               if ( !config.current ) {
-                       throw new Error( "assertion outside test context, was " + sourceFromStacktrace() );
-               }
+function done() {
+       config.autorun = true;
 
-               var output, source,
-                       details = {
-                               module: config.current.module,
-                               name: config.current.testName,
-                               result: result,
-                               message: message,
-                               actual: actual,
-                               expected: expected
-                       };
+       // Log the last module results
+       if ( config.previousModule ) {
+               runLoggingCallbacks( "moduleDone", QUnit, {
+                       name: config.previousModule,
+                       failed: config.moduleStats.bad,
+                       passed: config.moduleStats.all - config.moduleStats.bad,
+                       total: config.moduleStats.all
+               });
+       }
+       delete config.previousModule;
 
-               message = escapeText( message ) || ( result ? "okay" : "failed" );
-               message = "<span class='test-message'>" + message + "</span>";
-               output = message;
+       var i, key,
+               banner = id( "qunit-banner" ),
+               tests = id( "qunit-tests" ),
+               runtime = +new Date() - config.started,
+               passed = config.stats.all - config.stats.bad,
+               html = [
+                       "Tests completed in ",
+                       runtime,
+                       " milliseconds.<br/>",
+                       "<span class='passed'>",
+                       passed,
+                       "</span> assertions of <span class='total'>",
+                       config.stats.all,
+                       "</span> passed, <span class='failed'>",
+                       config.stats.bad,
+                       "</span> failed."
+               ].join( "" );
 
-               if ( !result ) {
-                       expected = escapeText( QUnit.jsDump.parse(expected) );
-                       actual = escapeText( QUnit.jsDump.parse(actual) );
-                       output += "<table><tr class='test-expected'><th>Expected: </th><td><pre>" + expected + "</pre></td></tr>";
+       if ( banner ) {
+               banner.className = ( config.stats.bad ? "qunit-fail" : "qunit-pass" );
+       }
 
-                       if ( actual !== expected ) {
-                               output += "<tr class='test-actual'><th>Result: </th><td><pre>" + actual + "</pre></td></tr>";
-                               output += "<tr class='test-diff'><th>Diff: </th><td><pre>" + QUnit.diff( expected, actual ) + "</pre></td></tr>";
-                       }
+       if ( tests ) {
+               id( "qunit-testresult" ).innerHTML = html;
+       }
 
-                       source = sourceFromStacktrace();
+       if ( config.altertitle && defined.document && document.title ) {
+               // show âœ– for good, âœ” for bad suite result in title
+               // use escape sequences in case file gets loaded with non-utf-8-charset
+               document.title = [
+                       ( config.stats.bad ? "\u2716" : "\u2714" ),
+                       document.title.replace( /^[\u2714\u2716] /i, "" )
+               ].join( " " );
+       }
 
-                       if ( source ) {
-                               details.source = source;
-                               output += "<tr class='test-source'><th>Source: </th><td><pre>" + escapeText( source ) + "</pre></td></tr>";
+       // clear own sessionStorage items if all tests passed
+       if ( config.reorder && defined.sessionStorage && config.stats.bad === 0 ) {
+               // `key` & `i` initialized at top of scope
+               for ( i = 0; i < sessionStorage.length; i++ ) {
+                       key = sessionStorage.key( i++ );
+                       if ( key.indexOf( "qunit-test-" ) === 0 ) {
+                               sessionStorage.removeItem( key );
                        }
-
-                       output += "</table>";
                }
+       }
 
-               runLoggingCallbacks( "log", QUnit, details );
+       // scroll back to top to show results
+       if ( config.scrolltop && window.scrollTo ) {
+               window.scrollTo(0, 0);
+       }
 
-               config.current.assertions.push({
-                       result: !!result,
-                       message: output
-               });
-       },
+       runLoggingCallbacks( "done", QUnit, {
+               failed: config.stats.bad,
+               passed: passed,
+               total: config.stats.all,
+               runtime: runtime
+       });
+}
 
-       pushFailure: function( message, source, actual ) {
-               if ( !config.current ) {
-                       throw new Error( "pushFailure() assertion outside test context, was " + sourceFromStacktrace(2) );
-               }
+/** @return Boolean: true if this test should be ran */
+function validTest( test ) {
+       var include,
+               filter = config.filter && config.filter.toLowerCase(),
+               module = config.module && config.module.toLowerCase(),
+               fullName = ( test.module + ": " + test.testName ).toLowerCase();
 
-               var output,
-                       details = {
-                               module: config.current.module,
-                               name: config.current.testName,
-                               result: false,
-                               message: message
-                       };
+       // Internally-generated tests are always valid
+       if ( test.callback && test.callback.validTest === validTest ) {
+               delete test.callback.validTest;
+               return true;
+       }
 
-               message = escapeText( message ) || "error";
-               message = "<span class='test-message'>" + message + "</span>";
-               output = message;
+       if ( config.testNumber.length > 0 ) {
+               if ( inArray( test.testNumber, config.testNumber ) < 0 ) {
+                       return false;
+               }
+       }
 
-               output += "<table>";
+       if ( module && ( !test.module || test.module.toLowerCase() !== module ) ) {
+               return false;
+       }
 
-               if ( actual ) {
-                       output += "<tr class='test-actual'><th>Result: </th><td><pre>" + escapeText( actual ) + "</pre></td></tr>";
-               }
+       if ( !filter ) {
+               return true;
+       }
 
-               if ( source ) {
-                       details.source = source;
-                       output += "<tr class='test-source'><th>Source: </th><td><pre>" + escapeText( source ) + "</pre></td></tr>";
-               }
+       include = filter.charAt( 0 ) !== "!";
+       if ( !include ) {
+               filter = filter.slice( 1 );
+       }
 
-               output += "</table>";
+       // If the filter matches, we need to honour include
+       if ( fullName.indexOf( filter ) !== -1 ) {
+               return include;
+       }
 
-               runLoggingCallbacks( "log", QUnit, details );
+       // Otherwise, do the opposite
+       return !include;
+}
 
-               config.current.assertions.push({
-                       result: false,
-                       message: output
-               });
-       },
+// so far supports only Firefox, Chrome and Opera (buggy), Safari (for real exceptions)
+// Later Safari and IE10 are supposed to support error.stack as well
+// See also https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Error/Stack
+function extractStacktrace( e, offset ) {
+       offset = offset === undefined ? 3 : offset;
 
-       url: function( params ) {
-               params = extend( extend( {}, QUnit.urlParams ), params );
-               var key,
-                       querystring = "?";
+       var stack, include, i;
 
-               for ( key in params ) {
-                       if ( !hasOwn.call( params, key ) ) {
-                               continue;
+       if ( e.stacktrace ) {
+               // Opera
+               return e.stacktrace.split( "\n" )[ offset + 3 ];
+       } else if ( e.stack ) {
+               // Firefox, Chrome
+               stack = e.stack.split( "\n" );
+               if (/^error$/i.test( stack[0] ) ) {
+                       stack.shift();
+               }
+               if ( fileName ) {
+                       include = [];
+                       for ( i = offset; i < stack.length; i++ ) {
+                               if ( stack[ i ].indexOf( fileName ) !== -1 ) {
+                                       break;
+                               }
+                               include.push( stack[ i ] );
+                       }
+                       if ( include.length ) {
+                               return include.join( "\n" );
                        }
-                       querystring += encodeURIComponent( key ) + "=" +
-                               encodeURIComponent( params[ key ] ) + "&";
                }
-               return window.location.protocol + "//" + window.location.host +
-                       window.location.pathname + querystring.slice( 0, -1 );
-       },
-
-       extend: extend,
-       id: id,
-       addEvent: addEvent
-       // load, equiv, jsDump, diff: Attached later
-});
+               return stack[ offset ];
+       } else if ( e.sourceURL ) {
+               // Safari, PhantomJS
+               // hopefully one day Safari provides actual stacktraces
+               // exclude useless self-reference for generated Error objects
+               if ( /qunit.js$/.test( e.sourceURL ) ) {
+                       return;
+               }
+               // for actual exceptions, this is useful
+               return e.sourceURL + ":" + e.line;
+       }
+}
+function sourceFromStacktrace( offset ) {
+       try {
+               throw new Error();
+       } catch ( e ) {
+               return extractStacktrace( e, offset );
+       }
+}
 
 /**
- * @deprecated: Created for backwards compatibility with test runner that set the hook function
- * into QUnit.{hook}, instead of invoking it and passing the hook function.
- * QUnit.constructor is set to the empty F() above so that we can add to it's prototype here.
- * Doing this allows us to tell if the following methods have been overwritten on the actual
- * QUnit object.
+ * Escape text for attribute or text content.
  */
-extend( QUnit.constructor.prototype, {
-
-       // Logging callbacks; all receive a single argument with the listed properties
-       // run test/logs.html for any related changes
-       begin: registerLoggingCallback( "begin" ),
-
-       // done: { failed, passed, total, runtime }
-       done: registerLoggingCallback( "done" ),
-
-       // log: { result, actual, expected, message }
-       log: registerLoggingCallback( "log" ),
-
-       // testStart: { name }
-       testStart: registerLoggingCallback( "testStart" ),
-
-       // testDone: { name, failed, passed, total, duration }
-       testDone: registerLoggingCallback( "testDone" ),
-
-       // moduleStart: { name }
-       moduleStart: registerLoggingCallback( "moduleStart" ),
-
-       // moduleDone: { name, failed, passed, total }
-       moduleDone: registerLoggingCallback( "moduleDone" )
-});
-
-if ( typeof document === "undefined" || document.readyState === "complete" ) {
-       config.autorun = true;
+function escapeText( s ) {
+       if ( !s ) {
+               return "";
+       }
+       s = s + "";
+       // Both single quotes and double quotes (for attributes)
+       return s.replace( /['"<>&]/g, function( s ) {
+               switch( s ) {
+                       case "'":
+                               return "&#039;";
+                       case "\"":
+                               return "&quot;";
+                       case "<":
+                               return "&lt;";
+                       case ">":
+                               return "&gt;";
+                       case "&":
+                               return "&amp;";
+               }
+       });
 }
 
-QUnit.load = function() {
-       runLoggingCallbacks( "begin", QUnit, {} );
-
-       // Initialize the config, saving the execution queue
-       var banner, filter, i, label, len, main, ol, toolbar, userAgent, val,
-               urlConfigCheckboxesContainer, urlConfigCheckboxes, moduleFilter,
-               numModules = 0,
-               moduleFilterHtml = "",
-               urlConfigHtml = "",
-               oldconfig = extend( {}, config );
-
-       QUnit.init();
-       extend(config, oldconfig);
+function synchronize( callback, last ) {
+       config.queue.push( callback );
 
-       config.blocking = false;
+       if ( config.autorun && !config.blocking ) {
+               process( last );
+       }
+}
 
-       len = config.urlConfig.length;
+function process( last ) {
+       function next() {
+               process( last );
+       }
+       var start = new Date().getTime();
+       config.depth = config.depth ? config.depth + 1 : 1;
 
-       for ( i = 0; i < len; i++ ) {
-               val = config.urlConfig[i];
-               if ( typeof val === "string" ) {
-                       val = {
-                               id: val,
-                               label: val,
-                               tooltip: "[no tooltip available]"
-                       };
+       while ( config.queue.length && !config.blocking ) {
+               if ( !defined.setTimeout || config.updateRate <= 0 || ( ( new Date().getTime() - start ) < config.updateRate ) ) {
+                       config.queue.shift()();
+               } else {
+                       setTimeout( next, 13 );
+                       break;
                }
-               config[ val.id ] = QUnit.urlParams[ val.id ];
-               urlConfigHtml += "<input id='qunit-urlconfig-" + escapeText( val.id ) +
-                       "' name='" + escapeText( val.id ) +
-                       "' type='checkbox'" + ( config[ val.id ] ? " checked='checked'" : "" ) +
-                       " title='" + escapeText( val.tooltip ) +
-                       "'><label for='qunit-urlconfig-" + escapeText( val.id ) +
-                       "' title='" + escapeText( val.tooltip ) + "'>" + val.label + "</label>";
        }
+       config.depth--;
+       if ( last && !config.blocking && !config.queue.length && config.depth === 0 ) {
+               done();
+       }
+}
 
-       moduleFilterHtml += "<label for='qunit-modulefilter'>Module: </label><select id='qunit-modulefilter' name='modulefilter'><option value='' " +
-               ( config.module === undefined  ? "selected='selected'" : "" ) +
-               ">< All Modules ></option>";
+function saveGlobal() {
+       config.pollution = [];
 
-       for ( i in config.modules ) {
-               if ( config.modules.hasOwnProperty( i ) ) {
-                       numModules += 1;
-                       moduleFilterHtml += "<option value='" + escapeText( encodeURIComponent(i) ) + "' " +
-                               ( config.module === i ? "selected='selected'" : "" ) +
-                               ">" + escapeText(i) + "</option>";
+       if ( config.noglobals ) {
+               for ( var key in window ) {
+                       if ( hasOwn.call( window, key ) ) {
+                               // in Opera sometimes DOM element ids show up here, ignore them
+                               if ( /^qunit-test-output/.test( key ) ) {
+                                       continue;
+                               }
+                               config.pollution.push( key );
+                       }
                }
        }
-       moduleFilterHtml += "</select>";
+}
 
-       // `userAgent` initialized at top of scope
-       userAgent = id( "qunit-userAgent" );
-       if ( userAgent ) {
-               userAgent.innerHTML = navigator.userAgent;
-       }
+function checkPollution() {
+       var newGlobals,
+               deletedGlobals,
+               old = config.pollution;
 
-       // `banner` initialized at top of scope
-       banner = id( "qunit-header" );
-       if ( banner ) {
-               banner.innerHTML = "<a href='" + QUnit.url({ filter: undefined, module: undefined, testNumber: undefined }) + "'>" + banner.innerHTML + "</a> ";
+       saveGlobal();
+
+       newGlobals = diff( config.pollution, old );
+       if ( newGlobals.length > 0 ) {
+               QUnit.pushFailure( "Introduced global variable(s): " + newGlobals.join(", ") );
        }
 
-       // `toolbar` initialized at top of scope
-       toolbar = id( "qunit-testrunner-toolbar" );
-       if ( toolbar ) {
-               // `filter` initialized at top of scope
-               filter = document.createElement( "input" );
-               filter.type = "checkbox";
-               filter.id = "qunit-filter-pass";
+       deletedGlobals = diff( old, config.pollution );
+       if ( deletedGlobals.length > 0 ) {
+               QUnit.pushFailure( "Deleted global variable(s): " + deletedGlobals.join(", ") );
+       }
+}
 
-               addEvent( filter, "click", function() {
-                       var tmp,
-                               ol = document.getElementById( "qunit-tests" );
+// 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();
 
-                       if ( filter.checked ) {
-                               ol.className = ol.className + " hidepass";
-                       } else {
-                               tmp = " " + ol.className.replace( /[\n\t\r]/g, " " ) + " ";
-                               ol.className = tmp.replace( / hidepass /, " " );
+       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;
                        }
-                       if ( defined.sessionStorage ) {
-                               if (filter.checked) {
-                                       sessionStorage.setItem( "qunit-filter-passed-tests", "true" );
+               }
+       }
+       return result;
+}
+
+function extend( a, b ) {
+       for ( var prop in b ) {
+               if ( hasOwn.call( b, prop ) ) {
+                       // Avoid "Member not found" error in IE8 caused by messing with window.constructor
+                       if ( !( prop === "constructor" && a === window ) ) {
+                               if ( b[ prop ] === undefined ) {
+                                       delete a[ prop ];
                                } else {
-                                       sessionStorage.removeItem( "qunit-filter-passed-tests" );
+                                       a[ prop ] = b[ prop ];
                                }
                        }
-               });
-
-               if ( config.hidepassed || defined.sessionStorage && sessionStorage.getItem( "qunit-filter-passed-tests" ) ) {
-                       filter.checked = true;
-                       // `ol` initialized at top of scope
-                       ol = document.getElementById( "qunit-tests" );
-                       ol.className = ol.className + " hidepass";
                }
-               toolbar.appendChild( filter );
+       }
 
-               // `label` initialized at top of scope
-               label = document.createElement( "label" );
-               label.setAttribute( "for", "qunit-filter-pass" );
-               label.setAttribute( "title", "Only show tests and assertons that fail. Stored in sessionStorage." );
-               label.innerHTML = "Hide passed tests";
-               toolbar.appendChild( label );
+       return a;
+}
 
-               urlConfigCheckboxesContainer = document.createElement("span");
-               urlConfigCheckboxesContainer.innerHTML = urlConfigHtml;
-               urlConfigCheckboxes = urlConfigCheckboxesContainer.getElementsByTagName("input");
-               // For oldIE support:
-               // * Add handlers to the individual elements instead of the container
-               // * Use "click" instead of "change"
-               // * Fallback from event.target to event.srcElement
-               addEvents( urlConfigCheckboxes, "click", function( event ) {
-                       var params = {},
-                               target = event.target || event.srcElement;
-                       params[ target.name ] = target.checked ? true : undefined;
-                       window.location = QUnit.url( params );
-               });
-               toolbar.appendChild( urlConfigCheckboxesContainer );
+/**
+ * @param {HTMLElement} elem
+ * @param {string} type
+ * @param {Function} fn
+ */
+function addEvent( elem, type, fn ) {
+       if ( elem.addEventListener ) {
 
-               if (numModules > 1) {
-                       moduleFilter = document.createElement( 'span' );
-                       moduleFilter.setAttribute( 'id', 'qunit-modulefilter-container' );
-                       moduleFilter.innerHTML = moduleFilterHtml;
-                       addEvent( moduleFilter.lastChild, "change", function() {
-                               var selectBox = moduleFilter.getElementsByTagName("select")[0],
-                                       selectedModule = decodeURIComponent(selectBox.options[selectBox.selectedIndex].value);
+               // Standards-based browsers
+               elem.addEventListener( type, fn, false );
+       } else if ( elem.attachEvent ) {
 
-                               window.location = QUnit.url( { module: ( selectedModule === "" ) ? undefined : selectedModule } );
-                       });
-                       toolbar.appendChild(moduleFilter);
-               }
-       }
+               // support: IE <9
+               elem.attachEvent( "on" + type, fn );
+       } else {
 
-       // `main` initialized at top of scope
-       main = id( "qunit-fixture" );
-       if ( main ) {
-               config.fixture = main.innerHTML;
+               // Caller must ensure support for event listeners is present
+               throw new Error( "addEvent() was called in a context without event listener support" );
        }
+}
 
-       if ( config.autostart ) {
-               QUnit.start();
+/**
+ * @param {Array|NodeList} elems
+ * @param {string} type
+ * @param {Function} fn
+ */
+function addEvents( elems, type, fn ) {
+       var i = elems.length;
+       while ( i-- ) {
+               addEvent( elems[i], type, fn );
        }
-};
-
-addEvent( window, "load", QUnit.load );
+}
 
-// `onErrorFnPrev` initialized at top of scope
-// Preserve other handlers
-onErrorFnPrev = window.onerror;
+function hasClass( elem, name ) {
+       return (" " + elem.className + " ").indexOf(" " + name + " ") > -1;
+}
 
-// Cover uncaught exceptions
-// Returning true will surpress 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 );
+function addClass( elem, name ) {
+       if ( !hasClass( elem, name ) ) {
+               elem.className += (elem.className ? " " : "") + name;
        }
+}
 
-       // Treat return value as window.onerror itself does,
-       // Only do our handling if not surpressed.
-       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: validTest } ) );
-               }
-               return false;
+function removeClass( elem, name ) {
+       var set = " " + elem.className + " ";
+       // Class name may appear multiple times
+       while ( set.indexOf(" " + name + " ") > -1 ) {
+               set = set.replace(" " + name + " " , " ");
        }
+       // If possible, trim it for prettiness, but not necessarily
+       elem.className = typeof set.trim === "function" ? set.trim() : set.replace(/^\s+|\s+$/g, "");
+}
 
-       return ret;
-};
-
-function done() {
-       config.autorun = true;
+function id( name ) {
+       return defined.document && document.getElementById && document.getElementById( name );
+}
 
-       // Log the last module results
-       if ( config.currentModule ) {
-               runLoggingCallbacks( "moduleDone", QUnit, {
-                       name: config.currentModule,
-                       failed: config.moduleStats.bad,
-                       passed: config.moduleStats.all - config.moduleStats.bad,
-                       total: config.moduleStats.all
-               });
-       }
-
-       var i, key,
-               banner = id( "qunit-banner" ),
-               tests = id( "qunit-tests" ),
-               runtime = +new Date() - config.started,
-               passed = config.stats.all - config.stats.bad,
-               html = [
-                       "Tests completed in ",
-                       runtime,
-                       " milliseconds.<br/>",
-                       "<span class='passed'>",
-                       passed,
-                       "</span> assertions of <span class='total'>",
-                       config.stats.all,
-                       "</span> passed, <span class='failed'>",
-                       config.stats.bad,
-                       "</span> failed."
-               ].join( "" );
+function registerLoggingCallback( key ) {
+       return function( callback ) {
+               config[key].push( callback );
+       };
+}
 
-       if ( banner ) {
-               banner.className = ( config.stats.bad ? "qunit-fail" : "qunit-pass" );
+// Supports deprecated method of completely overwriting logging callbacks
+function runLoggingCallbacks( key, scope, args ) {
+       var i, callbacks;
+       if ( QUnit.hasOwnProperty( key ) ) {
+               QUnit[ key ].call(scope, args );
+       } else {
+               callbacks = config[ key ];
+               for ( i = 0; i < callbacks.length; i++ ) {
+                       callbacks[ i ].call( scope, args );
+               }
        }
+}
 
-       if ( tests ) {
-               id( "qunit-testresult" ).innerHTML = html;
+// from jquery.js
+function inArray( elem, array ) {
+       if ( array.indexOf ) {
+               return array.indexOf( elem );
        }
 
-       if ( config.altertitle && typeof document !== "undefined" && document.title ) {
-               // show âœ– for good, âœ” for bad suite result in title
-               // use escape sequences in case file gets loaded with non-utf-8-charset
-               document.title = [
-                       ( config.stats.bad ? "\u2716" : "\u2714" ),
-                       document.title.replace( /^[\u2714\u2716] /i, "" )
-               ].join( " " );
+       for ( var i = 0, length = array.length; i < length; i++ ) {
+               if ( array[ i ] === elem ) {
+                       return i;
+               }
        }
 
-       // clear own sessionStorage items if all tests passed
-       if ( config.reorder && defined.sessionStorage && config.stats.bad === 0 ) {
-               // `key` & `i` initialized at top of scope
-               for ( i = 0; i < sessionStorage.length; i++ ) {
-                       key = sessionStorage.key( i++ );
-                       if ( key.indexOf( "qunit-test-" ) === 0 ) {
-                               sessionStorage.removeItem( key );
+       return -1;
+}
+
+function Test( settings ) {
+       extend( this, settings );
+       this.assertions = [];
+       this.testNumber = ++Test.count;
+}
+
+Test.count = 0;
+
+Test.prototype = {
+       init: function() {
+               var a, b, li,
+                       tests = id( "qunit-tests" );
+
+               if ( tests ) {
+                       b = document.createElement( "strong" );
+                       b.innerHTML = this.nameHtml;
+
+                       // `a` initialized at top of scope
+                       a = document.createElement( "a" );
+                       a.innerHTML = "Rerun";
+                       a.href = QUnit.url({ testNumber: this.testNumber });
+
+                       li = document.createElement( "li" );
+                       li.appendChild( b );
+                       li.appendChild( a );
+                       li.className = "running";
+                       li.id = this.id = "qunit-test-output" + testId++;
+
+                       tests.appendChild( li );
+               }
+       },
+       setup: 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", QUnit, {
+                                       name: config.previousModule,
+                                       failed: config.moduleStats.bad,
+                                       passed: config.moduleStats.all - config.moduleStats.bad,
+                                       total: config.moduleStats.all
+                               });
                        }
+                       config.previousModule = this.module;
+                       config.moduleStats = { all: 0, bad: 0 };
+                       runLoggingCallbacks( "moduleStart", QUnit, {
+                               name: this.module
+                       });
                }
-       }
 
-       // scroll back to top to show results
-       if ( window.scrollTo ) {
-               window.scrollTo(0, 0);
-       }
+               config.current = this;
 
-       runLoggingCallbacks( "done", QUnit, {
-               failed: config.stats.bad,
-               passed: passed,
-               total: config.stats.all,
-               runtime: runtime
-       });
-}
+               this.testEnvironment = extend({
+                       setup: function() {},
+                       teardown: function() {}
+               }, this.moduleTestEnvironment );
 
-/** @return Boolean: true if this test should be ran */
-function validTest( test ) {
-       var include,
-               filter = config.filter && config.filter.toLowerCase(),
-               module = config.module && config.module.toLowerCase(),
-               fullName = (test.module + ": " + test.testName).toLowerCase();
+               this.started = +new Date();
+               runLoggingCallbacks( "testStart", QUnit, {
+                       name: this.testName,
+                       module: this.module
+               });
 
-       // Internally-generated tests are always valid
-       if ( test.callback && test.callback.validTest === validTest ) {
-               delete test.callback.validTest;
-               return true;
-       }
+               /*jshint camelcase:false */
 
-       if ( config.testNumber ) {
-               return test.testNumber === config.testNumber;
-       }
 
-       if ( module && ( !test.module || test.module.toLowerCase() !== module ) ) {
-               return false;
-       }
+               /**
+                * Expose the current test environment.
+                *
+                * @deprecated since 1.12.0: Use QUnit.config.current.testEnvironment instead.
+                */
+               QUnit.current_testEnvironment = this.testEnvironment;
 
-       if ( !filter ) {
-               return true;
-       }
+               /*jshint camelcase:true */
 
-       include = filter.charAt( 0 ) !== "!";
-       if ( !include ) {
-               filter = filter.slice( 1 );
-       }
+               if ( !config.pollution ) {
+                       saveGlobal();
+               }
+               if ( config.notrycatch ) {
+                       this.testEnvironment.setup.call( this.testEnvironment, QUnit.assert );
+                       return;
+               }
+               try {
+                       this.testEnvironment.setup.call( this.testEnvironment, QUnit.assert );
+               } catch( e ) {
+                       QUnit.pushFailure( "Setup failed on " + this.testName + ": " + ( e.message || e ), extractStacktrace( e, 1 ) );
+               }
+       },
+       run: function() {
+               config.current = this;
 
-       // If the filter matches, we need to honour include
-       if ( fullName.indexOf( filter ) !== -1 ) {
-               return include;
-       }
+               var running = id( "qunit-testresult" );
 
-       // Otherwise, do the opposite
-       return !include;
-}
+               if ( running ) {
+                       running.innerHTML = "Running: <br/>" + this.nameHtml;
+               }
 
-// so far supports only Firefox, Chrome and Opera (buggy), Safari (for real exceptions)
-// Later Safari and IE10 are supposed to support error.stack as well
-// See also https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Error/Stack
-function extractStacktrace( e, offset ) {
-       offset = offset === undefined ? 3 : offset;
+               if ( this.async ) {
+                       QUnit.stop();
+               }
 
-       var stack, include, i;
+               this.callbackStarted = +new Date();
 
-       if ( e.stacktrace ) {
-               // Opera
-               return e.stacktrace.split( "\n" )[ offset + 3 ];
-       } else if ( e.stack ) {
-               // Firefox, Chrome
-               stack = e.stack.split( "\n" );
-               if (/^error$/i.test( stack[0] ) ) {
-                       stack.shift();
+               if ( config.notrycatch ) {
+                       this.callback.call( this.testEnvironment, QUnit.assert );
+                       this.callbackRuntime = +new Date() - this.callbackStarted;
+                       return;
                }
-               if ( fileName ) {
-                       include = [];
-                       for ( i = offset; i < stack.length; i++ ) {
-                               if ( stack[ i ].indexOf( fileName ) !== -1 ) {
-                                       break;
+
+               try {
+                       this.callback.call( this.testEnvironment, QUnit.assert );
+                       this.callbackRuntime = +new Date() - this.callbackStarted;
+               } catch( e ) {
+                       this.callbackRuntime = +new Date() - this.callbackStarted;
+
+                       QUnit.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();
+                       }
+               }
+       },
+       teardown: function() {
+               config.current = this;
+               if ( config.notrycatch ) {
+                       if ( typeof this.callbackRuntime === "undefined" ) {
+                               this.callbackRuntime = +new Date() - this.callbackStarted;
+                       }
+                       this.testEnvironment.teardown.call( this.testEnvironment, QUnit.assert );
+                       return;
+               } else {
+                       try {
+                               this.testEnvironment.teardown.call( this.testEnvironment, QUnit.assert );
+                       } catch( e ) {
+                               QUnit.pushFailure( "Teardown failed on " + this.testName + ": " + ( e.message || e ), extractStacktrace( e, 1 ) );
+                       }
+               }
+               checkPollution();
+       },
+       finish: function() {
+               config.current = this;
+               if ( config.requireExpects && this.expected === null ) {
+                       QUnit.pushFailure( "Expected number of assertions to be defined, but expect() was not called.", this.stack );
+               } else if ( this.expected !== null && this.expected !== this.assertions.length ) {
+                       QUnit.pushFailure( "Expected " + this.expected + " assertions, but " + this.assertions.length + " were run", this.stack );
+               } else if ( this.expected === null && !this.assertions.length ) {
+                       QUnit.pushFailure( "Expected at least one assertion, but none were run - call expect(0) to accept zero assertions.", this.stack );
+               }
+
+               var i, assertion, a, b, time, li, ol,
+                       test = this,
+                       good = 0,
+                       bad = 0,
+                       tests = id( "qunit-tests" );
+
+               this.runtime = +new Date() - this.started;
+               config.stats.all += this.assertions.length;
+               config.moduleStats.all += this.assertions.length;
+
+               if ( tests ) {
+                       ol = document.createElement( "ol" );
+                       ol.className = "qunit-assert-list";
+
+                       for ( i = 0; i < this.assertions.length; i++ ) {
+                               assertion = this.assertions[i];
+
+                               li = document.createElement( "li" );
+                               li.className = assertion.result ? "pass" : "fail";
+                               li.innerHTML = assertion.message || ( assertion.result ? "okay" : "failed" );
+                               ol.appendChild( li );
+
+                               if ( assertion.result ) {
+                                       good++;
+                               } else {
+                                       bad++;
+                                       config.stats.bad++;
+                                       config.moduleStats.bad++;
                                }
-                               include.push( stack[ i ] );
                        }
-                       if ( include.length ) {
-                               return include.join( "\n" );
+
+                       // store result when possible
+                       if ( QUnit.config.reorder && defined.sessionStorage ) {
+                               if ( bad ) {
+                                       sessionStorage.setItem( "qunit-test-" + this.module + "-" + this.testName, bad );
+                               } else {
+                                       sessionStorage.removeItem( "qunit-test-" + this.module + "-" + this.testName );
+                               }
+                       }
+
+                       if ( bad === 0 ) {
+                               addClass( ol, "qunit-collapsed" );
+                       }
+
+                       // `b` initialized at top of scope
+                       b = document.createElement( "strong" );
+                       b.innerHTML = this.nameHtml + " <b class='counts'>(<b class='failed'>" + bad + "</b>, <b class='passed'>" + good + "</b>, " + this.assertions.length + ")</b>";
+
+                       addEvent(b, "click", function() {
+                               var next = b.parentNode.lastChild,
+                                       collapsed = hasClass( next, "qunit-collapsed" );
+                               ( collapsed ? removeClass : addClass )( next, "qunit-collapsed" );
+                       });
+
+                       addEvent(b, "dblclick", function( e ) {
+                               var target = e && e.target ? e.target : window.event.srcElement;
+                               if ( target.nodeName.toLowerCase() === "span" || target.nodeName.toLowerCase() === "b" ) {
+                                       target = target.parentNode;
+                               }
+                               if ( window.location && target.nodeName.toLowerCase() === "strong" ) {
+                                       window.location = QUnit.url({ testNumber: test.testNumber });
+                               }
+                       });
+
+                       // `time` initialized at top of scope
+                       time = document.createElement( "span" );
+                       time.className = "runtime";
+                       time.innerHTML = this.runtime + " ms";
+
+                       // `li` initialized at top of scope
+                       li = id( this.id );
+                       li.className = bad ? "fail" : "pass";
+                       li.removeChild( li.firstChild );
+                       a = li.firstChild;
+                       li.appendChild( b );
+                       li.appendChild( a );
+                       li.appendChild( time );
+                       li.appendChild( ol );
+
+               } else {
+                       for ( i = 0; i < this.assertions.length; i++ ) {
+                               if ( !this.assertions[i].result ) {
+                                       bad++;
+                                       config.stats.bad++;
+                                       config.moduleStats.bad++;
+                               }
                        }
                }
-               return stack[ offset ];
-       } else if ( e.sourceURL ) {
-               // Safari, PhantomJS
-               // hopefully one day Safari provides actual stacktraces
-               // exclude useless self-reference for generated Error objects
-               if ( /qunit.js$/.test( e.sourceURL ) ) {
-                       return;
+
+               runLoggingCallbacks( "testDone", QUnit, {
+                       name: this.testName,
+                       module: this.module,
+                       failed: bad,
+                       passed: this.assertions.length - bad,
+                       total: this.assertions.length,
+                       runtime: this.runtime,
+                       // DEPRECATED: this property will be removed in 2.0.0, use runtime instead
+                       duration: this.runtime
+               });
+
+               QUnit.reset();
+
+               config.current = undefined;
+       },
+
+       queue: function() {
+               var bad,
+                       test = this;
+
+               synchronize(function() {
+                       test.init();
+               });
+               function run() {
+                       // each of these can by async
+                       synchronize(function() {
+                               test.setup();
+                       });
+                       synchronize(function() {
+                               test.run();
+                       });
+                       synchronize(function() {
+                               test.teardown();
+                       });
+                       synchronize(function() {
+                               test.finish();
+                       });
+               }
+
+               // `bad` initialized at top of scope
+               // defer when previous test run passed, if storage is available
+               bad = QUnit.config.reorder && defined.sessionStorage &&
+                                               +sessionStorage.getItem( "qunit-test-" + this.module + "-" + this.testName );
+
+               if ( bad ) {
+                       run();
+               } else {
+                       synchronize( run, true );
                }
-               // for actual exceptions, this is useful
-               return e.sourceURL + ":" + e.line;
-       }
-}
-function sourceFromStacktrace( offset ) {
-       try {
-               throw new Error();
-       } catch ( e ) {
-               return extractStacktrace( e, offset );
        }
-}
+};
+
+// `assert` initialized at top of scope
+// Assert helpers
+// All of these must either call QUnit.push() or manually do:
+// - runLoggingCallbacks( "log", .. );
+// - config.current.assertions.push({ .. });
+assert = QUnit.assert = {
+       /**
+        * Asserts rough true-ish result.
+        * @name ok
+        * @function
+        * @example ok( "asdfasdf".length > 5, "There must be at least 5 chars" );
+        */
+       ok: function( result, msg ) {
+               if ( !config.current ) {
+                       throw new Error( "ok() assertion outside test context, was " + sourceFromStacktrace(2) );
+               }
+               result = !!result;
+               msg = msg || ( result ? "okay" : "failed" );
+
+               var source,
+                       details = {
+                               module: config.current.module,
+                               name: config.current.testName,
+                               result: result,
+                               message: msg
+                       };
+
+               msg = "<span class='test-message'>" + escapeText( msg ) + "</span>";
+
+               if ( !result ) {
+                       source = sourceFromStacktrace( 2 );
+                       if ( source ) {
+                               details.source = source;
+                               msg += "<table><tr class='test-source'><th>Source: </th><td><pre>" +
+                                       escapeText( source ) +
+                                       "</pre></td></tr></table>";
+                       }
+               }
+               runLoggingCallbacks( "log", QUnit, details );
+               config.current.assertions.push({
+                       result: result,
+                       message: msg
+               });
+       },
+
+       /**
+        * Assert that the first two arguments are equal, with an optional message.
+        * Prints out both actual and expected values.
+        * @name equal
+        * @function
+        * @example equal( format( "Received {0} bytes.", 2), "Received 2 bytes.", "format() replaces {0} with next argument" );
+        */
+       equal: function( actual, expected, message ) {
+               /*jshint eqeqeq:false */
+               QUnit.push( expected == actual, actual, expected, message );
+       },
+
+       /**
+        * @name notEqual
+        * @function
+        */
+       notEqual: function( actual, expected, message ) {
+               /*jshint eqeqeq:false */
+               QUnit.push( expected != actual, actual, expected, message );
+       },
+
+       /**
+        * @name propEqual
+        * @function
+        */
+       propEqual: function( actual, expected, message ) {
+               actual = objectValues(actual);
+               expected = objectValues(expected);
+               QUnit.push( QUnit.equiv(actual, expected), actual, expected, message );
+       },
 
-/**
- * Escape text for attribute or text content.
- */
-function escapeText( s ) {
-       if ( !s ) {
-               return "";
-       }
-       s = s + "";
-       // Both single quotes and double quotes (for attributes)
-       return s.replace( /['"<>&]/g, function( s ) {
-               switch( s ) {
-                       case '\'':
-                               return '&#039;';
-                       case '"':
-                               return '&quot;';
-                       case '<':
-                               return '&lt;';
-                       case '>':
-                               return '&gt;';
-                       case '&':
-                               return '&amp;';
-               }
-       });
-}
+       /**
+        * @name notPropEqual
+        * @function
+        */
+       notPropEqual: function( actual, expected, message ) {
+               actual = objectValues(actual);
+               expected = objectValues(expected);
+               QUnit.push( !QUnit.equiv(actual, expected), actual, expected, message );
+       },
 
-function synchronize( callback, last ) {
-       config.queue.push( callback );
+       /**
+        * @name deepEqual
+        * @function
+        */
+       deepEqual: function( actual, expected, message ) {
+               QUnit.push( QUnit.equiv(actual, expected), actual, expected, message );
+       },
 
-       if ( config.autorun && !config.blocking ) {
-               process( last );
-       }
-}
+       /**
+        * @name notDeepEqual
+        * @function
+        */
+       notDeepEqual: function( actual, expected, message ) {
+               QUnit.push( !QUnit.equiv(actual, expected), actual, expected, message );
+       },
 
-function process( last ) {
-       function next() {
-               process( last );
-       }
-       var start = new Date().getTime();
-       config.depth = config.depth ? config.depth + 1 : 1;
+       /**
+        * @name strictEqual
+        * @function
+        */
+       strictEqual: function( actual, expected, message ) {
+               QUnit.push( expected === actual, actual, expected, message );
+       },
 
-       while ( config.queue.length && !config.blocking ) {
-               if ( !defined.setTimeout || config.updateRate <= 0 || ( ( new Date().getTime() - start ) < config.updateRate ) ) {
-                       config.queue.shift()();
-               } else {
-                       window.setTimeout( next, 13 );
-                       break;
-               }
-       }
-       config.depth--;
-       if ( last && !config.blocking && !config.queue.length && config.depth === 0 ) {
-               done();
-       }
-}
+       /**
+        * @name notStrictEqual
+        * @function
+        */
+       notStrictEqual: function( actual, expected, message ) {
+               QUnit.push( expected !== actual, actual, expected, message );
+       },
 
-function saveGlobal() {
-       config.pollution = [];
+       "throws": function( block, expected, message ) {
+               var actual,
+                       expectedOutput = expected,
+                       ok = false;
 
-       if ( config.noglobals ) {
-               for ( var key in window ) {
-                       // in Opera sometimes DOM element ids show up here, ignore them
-                       if ( !hasOwn.call( window, key ) || /^qunit-test-output/.test( key ) ) {
-                               continue;
-                       }
-                       config.pollution.push( key );
+               // 'expected' is optional
+               if ( !message && typeof expected === "string" ) {
+                       message = expected;
+                       expected = null;
                }
-       }
-}
 
-function checkPollution() {
-       var newGlobals,
-               deletedGlobals,
-               old = config.pollution;
+               config.current.ignoreGlobalErrors = true;
+               try {
+                       block.call( config.current.testEnvironment );
+               } catch (e) {
+                       actual = e;
+               }
+               config.current.ignoreGlobalErrors = false;
 
-       saveGlobal();
+               if ( actual ) {
 
-       newGlobals = diff( config.pollution, old );
-       if ( newGlobals.length > 0 ) {
-               QUnit.pushFailure( "Introduced global variable(s): " + newGlobals.join(", ") );
-       }
+                       // we don't want to validate thrown error
+                       if ( !expected ) {
+                               ok = true;
+                               expectedOutput = null;
 
-       deletedGlobals = diff( old, config.pollution );
-       if ( deletedGlobals.length > 0 ) {
-               QUnit.pushFailure( "Deleted global variable(s): " + deletedGlobals.join(", ") );
-       }
-}
+                       // expected is an Error object
+                       } else if ( expected instanceof Error ) {
+                               ok = actual instanceof Error &&
+                                        actual.name === expected.name &&
+                                        actual.message === expected.message;
 
-// 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();
+                       // expected is a regexp
+                       } else if ( QUnit.objectType( expected ) === "regexp" ) {
+                               ok = expected.test( errorString( actual ) );
 
-       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;
-}
+                       // expected is a string
+                       } else if ( QUnit.objectType( expected ) === "string" ) {
+                               ok = expected === errorString( actual );
 
-function extend( a, b ) {
-       for ( var prop in b ) {
-               if ( b[ prop ] === undefined ) {
-                       delete a[ prop ];
+                       // expected is a constructor
+                       } else if ( actual instanceof expected ) {
+                               ok = true;
+
+                       // expected is a validation function which returns true is validation passed
+                       } else if ( expected.call( {}, actual ) === true ) {
+                               expectedOutput = null;
+                               ok = true;
+                       }
 
-               // Avoid "Member not found" error in IE8 caused by setting window.constructor
-               } else if ( prop !== "constructor" || a !== window ) {
-                       a[ prop ] = b[ prop ];
+                       QUnit.push( ok, actual, expectedOutput, message );
+               } else {
+                       QUnit.pushFailure( message, null, "No exception was thrown." );
                }
        }
-
-       return a;
-}
+};
 
 /**
- * @param {HTMLElement} elem
- * @param {string} type
- * @param {Function} fn
+ * @deprecated since 1.8.0
+ * Kept assertion helpers in root for backwards compatibility.
  */
-function addEvent( elem, type, fn ) {
-       // Standards-based browsers
-       if ( elem.addEventListener ) {
-               elem.addEventListener( type, fn, false );
-       // IE
-       } else {
-               elem.attachEvent( "on" + type, fn );
-       }
-}
+extend( QUnit.constructor.prototype, assert );
 
 /**
- * @param {Array|NodeList} elems
- * @param {string} type
- * @param {Function} fn
+ * @deprecated since 1.9.0
+ * Kept to avoid TypeErrors for undefined methods.
  */
-function addEvents( elems, type, fn ) {
-       var i = elems.length;
-       while ( i-- ) {
-               addEvent( elems[i], type, fn );
-       }
-}
-
-function hasClass( elem, name ) {
-       return (" " + elem.className + " ").indexOf(" " + name + " ") > -1;
-}
-
-function addClass( elem, name ) {
-       if ( !hasClass( elem, name ) ) {
-               elem.className += (elem.className ? " " : "") + name;
-       }
-}
-
-function removeClass( elem, name ) {
-       var set = " " + elem.className + " ";
-       // Class name may appear multiple times
-       while ( set.indexOf(" " + name + " ") > -1 ) {
-               set = set.replace(" " + name + " " , " ");
-       }
-       // If possible, trim it for prettiness, but not neccecarily
-       elem.className = window.jQuery ? jQuery.trim( set ) : ( set.trim ? set.trim() : set );
-}
-
-function id( name ) {
-       return !!( typeof document !== "undefined" && document && document.getElementById ) &&
-               document.getElementById( name );
-}
-
-function registerLoggingCallback( key ) {
-       return function( callback ) {
-               config[key].push( callback );
-       };
-}
+QUnit.constructor.prototype.raises = function() {
+       QUnit.push( false, false, false, "QUnit.raises has been deprecated since 2012 (fad3c1ea), use QUnit.throws instead" );
+};
 
-// Supports deprecated method of completely overwriting logging callbacks
-function runLoggingCallbacks( key, scope, args ) {
-       var i, callbacks;
-       if ( QUnit.hasOwnProperty( key ) ) {
-               QUnit[ key ].call(scope, args );
-       } else {
-               callbacks = config[ key ];
-               for ( i = 0; i < callbacks.length; i++ ) {
-                       callbacks[ i ].call( scope, args );
-               }
-       }
-}
+/**
+ * @deprecated since 1.0.0, replaced with error pushes since 1.3.0
+ * Kept to avoid TypeErrors for undefined methods.
+ */
+QUnit.constructor.prototype.equals = function() {
+       QUnit.push( false, false, false, "QUnit.equals has been deprecated since 2009 (e88049a0), use QUnit.equal instead" );
+};
+QUnit.constructor.prototype.same = function() {
+       QUnit.push( false, false, false, "QUnit.same has been deprecated since 2009 (e88049a0), use QUnit.deepEqual instead" );
+};
 
 // Test for equality any JavaScript type.
 // Author: Philippe Rathé <prathe@gmail.com>
@@ -1585,8 +1705,10 @@ QUnit.equiv = (function() {
                callers = [],
                // stack to avoiding loops from circular referencing
                parents = [],
+               parentsB = [],
 
                getProto = Object.getPrototypeOf || function ( obj ) {
+                       /*jshint camelcase:false */
                        return obj.__proto__;
                },
                callbacks = (function () {
@@ -1595,7 +1717,7 @@ QUnit.equiv = (function() {
                        function useStrictEquality( b, a ) {
                                /*jshint eqeqeq:false */
                                if ( b instanceof a.constructor || a instanceof b.constructor ) {
-                                       // to catch short annotaion VS 'new' annotation of a
+                                       // to catch short annotation VS 'new' annotation of a
                                        // declaration
                                        // e.g. var i = 1;
                                        // var j = new Number(1);
@@ -1624,7 +1746,7 @@ QUnit.equiv = (function() {
                                        return QUnit.objectType( b ) === "regexp" &&
                                                // the regex itself
                                                a.source === b.source &&
-                                               // and its modifers
+                                               // and its modifiers
                                                a.global === b.global &&
                                                // (gmi) ...
                                                a.ignoreCase === b.ignoreCase &&
@@ -1641,7 +1763,7 @@ QUnit.equiv = (function() {
                                },
 
                                "array": function( b, a ) {
-                                       var i, j, len, loop;
+                                       var i, j, len, loop, aCircular, bCircular;
 
                                        // b could be an object literal here
                                        if ( QUnit.objectType( b ) !== "array" ) {
@@ -1656,24 +1778,36 @@ QUnit.equiv = (function() {
 
                                        // 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++ ) {
-                                                       if ( parents[j] === a[i] ) {
-                                                               loop = true;// dont rewalk array
+                                                       aCircular = parents[j] === a[i];
+                                                       bCircular = parentsB[j] === b[i];
+                                                       if ( aCircular || bCircular ) {
+                                                               if ( a[i] === b[i] || aCircular && bCircular ) {
+                                                                       loop = true;
+                                                               } else {
+                                                                       parents.pop();
+                                                                       parentsB.pop();
+                                                                       return false;
+                                                               }
                                                        }
                                                }
                                                if ( !loop && !innerEquiv(a[i], b[i]) ) {
                                                        parents.pop();
+                                                       parentsB.pop();
                                                        return false;
                                                }
                                        }
                                        parents.pop();
+                                       parentsB.pop();
                                        return true;
                                },
 
                                "object": function( b, a ) {
-                                       var i, j, loop,
+                                       /*jshint forin:false */
+                                       var i, j, loop, aCircular, bCircular,
                                                // Default to true
                                                eq = true,
                                                aProperties = [],
@@ -1692,28 +1826,36 @@ QUnit.equiv = (function() {
 
                                        // stack constructor before traversing properties
                                        callers.push( a.constructor );
+
                                        // track reference to avoid circular references
                                        parents.push( a );
+                                       parentsB.push( b );
 
-                                       for ( i in a ) { // be strict: don't ensures hasOwnProperty
-                                                                       // and go deep
+                                       // be strict: don't ensure hasOwnProperty and go deep
+                                       for ( i in a ) {
                                                loop = false;
                                                for ( j = 0; j < parents.length; j++ ) {
-                                                       if ( parents[j] === a[i] ) {
-                                                               // don't go down the same path twice
-                                                               loop = true;
+                                                       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); // collect a's properties
-
-                                               if (!loop && !innerEquiv( a[i], b[i] ) ) {
+                                               aProperties.push(i);
+                                               if ( !loop && !innerEquiv(a[i], b[i]) ) {
                                                        eq = false;
                                                        break;
                                                }
                                        }
 
-                                       callers.pop(); // unstack, we are done
                                        parents.pop();
+                                       parentsB.pop();
+                                       callers.pop(); // unstack, we are done
 
                                        for ( i in b ) {
                                                bProperties.push( i ); // collect b's properties
@@ -1743,7 +1885,7 @@ QUnit.equiv = (function() {
                        }
 
                        // apply transition with (1..n) arguments
-               }( args[0], args[1] ) && arguments.callee.apply( this, args.splice(1, args.length - 1 )) );
+               }( args[0], args[1] ) && innerEquiv.apply( this, args.splice(1, args.length - 1 )) );
        };
 
        return innerEquiv;
@@ -1761,7 +1903,7 @@ QUnit.equiv = (function() {
  */
 QUnit.jsDump = (function() {
        function quote( str ) {
-               return '"' + str.toString().replace( /"/g, '\\"' ) + '"';
+               return "\"" + str.toString().replace( /"/g, "\\\"" ) + "\"";
        }
        function literal( o ) {
                return o + "";
@@ -1854,13 +1996,13 @@ QUnit.jsDump = (function() {
                                if ( this.HTML ) {
                                        chr = chr.replace( /\t/g, "   " ).replace( / /g, "&nbsp;" );
                                }
-                               return new Array( this._depth_ + (extra||0) ).join(chr);
+                               return new Array( this.depth + ( extra || 0 ) ).join(chr);
                        },
                        up: function( a ) {
-                               this._depth_ += a || 1;
+                               this.depth += a || 1;
                        },
                        down: function( a ) {
-                               this._depth_ -= a || 1;
+                               this.depth -= a || 1;
                        },
                        setParser: function( name, parser ) {
                                this.parsers[name] = parser;
@@ -1870,7 +2012,7 @@ QUnit.jsDump = (function() {
                        literal: literal,
                        join: join,
                        //
-                       _depth_: 1,
+                       depth: 1,
                        // This is the list of parsers, to modify them, use jsDump.setParser
                        parsers: {
                                window: "[Window]",
@@ -1898,6 +2040,7 @@ QUnit.jsDump = (function() {
                                nodelist: array,
                                "arguments": array,
                                object: function( map, stack ) {
+                                       /*jshint forin:false */
                                        var ret = [ ], keys, key, val, i;
                                        QUnit.jsDump.up();
                                        keys = [];
@@ -1979,21 +2122,6 @@ QUnit.jsDump = (function() {
        return jsDump;
 }());
 
-// from jquery.js
-function inArray( elem, array ) {
-       if ( array.indexOf ) {
-               return array.indexOf( elem );
-       }
-
-       for ( var i = 0, length = array.length; i < length; i++ ) {
-               if ( array[ i ] === elem ) {
-                       return i;
-               }
-       }
-
-       return -1;
-}
-
 /*
  * Javascript Diff Algorithm
  *  By John Resig (http://ejohn.org/)
@@ -2036,18 +2164,17 @@ QUnit.diff = (function() {
                }
 
                for ( i in ns ) {
-                       if ( !hasOwn.call( ns, i ) ) {
-                               continue;
-                       }
-                       if ( ns[i].rows.length === 1 && hasOwn.call( os, i ) && os[i].rows.length === 1 ) {
-                               n[ ns[i].rows[0] ] = {
-                                       text: n[ ns[i].rows[0] ],
-                                       row: os[i].rows[0]
-                               };
-                               o[ os[i].rows[0] ] = {
-                                       text: o[ os[i].rows[0] ],
-                                       row: ns[i].rows[0]
-                               };
+                       if ( hasOwn.call( ns, i ) ) {
+                               if ( ns[i].rows.length === 1 && hasOwn.call( os, i ) && os[i].rows.length === 1 ) {
+                                       n[ ns[i].rows[0] ] = {
+                                               text: n[ ns[i].rows[0] ],
+                                               row: os[i].rows[0]
+                                       };
+                                       o[ os[i].rows[0] ] = {
+                                               text: o[ os[i].rows[0] ],
+                                               row: ns[i].rows[0]
+                                       };
+                               }
                        }
                }
 
@@ -2143,10 +2270,19 @@ QUnit.diff = (function() {
        };
 }());
 
-// for CommonJS enviroments, export everything
-if ( typeof exports !== "undefined" ) {
-       extend( exports, QUnit );
+// For browser, export only select globals
+if ( typeof window !== "undefined" ) {
+       extend( window, QUnit.constructor.prototype );
+       window.QUnit = QUnit;
+}
+
+// For CommonJS environments, export everything
+if ( typeof module !== "undefined" && module.exports ) {
+       module.exports = QUnit;
 }
 
-// get at whatever the global object is, like window in browsers
-}( (function() {return this;}.call()) ));
+
+// Get a reference to the global object, like window in browsers
+}( (function() {
+       return this;
+})() ));