Merge "[FileBackend] Added container stat caching to reduce RTTs to high latency...
[lhc/web/wiklou.git] / resources / jquery / jquery.qunit.js
index 1405e79..66dd721 100644 (file)
@@ -1,9 +1,9 @@
 /**
- * QUnit - A JavaScript Unit Testing Framework
- * 
+ * QUnit v1.5.0 - A JavaScript Unit Testing Framework
+ *
  * http://docs.jquery.com/QUnit
  *
- * Copyright (c) 2011 John Resig, Jörn Zaefferer
+ * Copyright (c) 2012 John Resig, Jörn Zaefferer
  * Dual licensed under the MIT (MIT-LICENSE.txt)
  * or GPL (GPL-LICENSE.txt) licenses.
  */
 var defined = {
        setTimeout: typeof window.setTimeout !== "undefined",
        sessionStorage: (function() {
+               var x = "qunit-test-string";
                try {
-                       return !!sessionStorage.getItem;
-               } catch(e){
+                       sessionStorage.setItem(x, x);
+                       sessionStorage.removeItem(x);
+                       return true;
+               } catch(e) {
                        return false;
                }
-  })()
+       }())
 };
 
-var testId = 0;
+var    testId = 0,
+       toString = Object.prototype.toString,
+       hasOwn = Object.prototype.hasOwnProperty;
 
-var Test = function(name, testName, expected, testEnvironmentArg, async, callback) {
+var Test = function(name, testName, expected, async, callback) {
        this.name = name;
        this.testName = testName;
        this.expected = expected;
-       this.testEnvironmentArg = testEnvironmentArg;
        this.async = async;
        this.callback = callback;
        this.assertions = [];
@@ -48,7 +52,7 @@ Test.prototype = {
        setup: function() {
                if (this.module != config.previousModule) {
                        if ( config.previousModule ) {
-                               QUnit.moduleDone( {
+                               runLoggingCallbacks('moduleDone', QUnit, {
                                        name: config.previousModule,
                                        failed: config.moduleStats.bad,
                                        passed: config.moduleStats.all - config.moduleStats.bad,
@@ -57,7 +61,11 @@ Test.prototype = {
                        }
                        config.previousModule = this.module;
                        config.moduleStats = { all: 0, bad: 0 };
-                       QUnit.moduleStart( {
+                       runLoggingCallbacks( 'moduleStart', QUnit, {
+                               name: this.module
+                       } );
+               } else if (config.autorun) {
+                       runLoggingCallbacks( 'moduleStart', QUnit, {
                                name: this.module
                        } );
                }
@@ -67,29 +75,38 @@ Test.prototype = {
                        setup: function() {},
                        teardown: function() {}
                }, this.moduleTestEnvironment);
-               if (this.testEnvironmentArg) {
-                       extend(this.testEnvironment, this.testEnvironmentArg);
-               }
 
-               QUnit.testStart( {
-                       name: this.testName
-               } );
+               runLoggingCallbacks( 'testStart', QUnit, {
+                       name: this.testName,
+                       module: this.module
+               });
 
                // allow utility functions to access the current test environment
                // TODO why??
                QUnit.current_testEnvironment = this.testEnvironment;
-               
-               try {
-                       if ( !config.pollution ) {
-                               saveGlobal();
-                       }
 
+               if ( !config.pollution ) {
+                       saveGlobal();
+               }
+               if ( config.notrycatch ) {
+                       this.testEnvironment.setup.call(this.testEnvironment);
+                       return;
+               }
+               try {
                        this.testEnvironment.setup.call(this.testEnvironment);
                } catch(e) {
-                       QUnit.ok( false, "Setup failed on " + this.testName + ": " + e.message );
+                       QUnit.pushFailure( "Setup failed on " + this.testName + ": " + e.message, extractStacktrace( e, 1 ) );
                }
        },
        run: function() {
+               config.current = this;
+
+               var running = id("qunit-testresult");
+
+               if ( running ) {
+                       running.innerHTML = "Running: <br/>" + this.name;
+               }
+
                if ( this.async ) {
                        QUnit.stop();
                }
@@ -101,43 +118,52 @@ Test.prototype = {
                try {
                        this.callback.call(this.testEnvironment);
                } catch(e) {
-                       fail("Test " + this.testName + " died, exception and test follows", e, this.callback);
-                       QUnit.ok( false, "Died on test #" + (this.assertions.length + 1) + ": " + e.message + " - " + QUnit.jsDump.parse(e) );
+                       QUnit.pushFailure( "Died on test #" + (this.assertions.length + 1) + ": " + e.message, extractStacktrace( e, 1 ) );
                        // else next test will carry the responsibility
                        saveGlobal();
 
                        // Restart the tests if they're blocking
                        if ( config.blocking ) {
-                               start();
+                               QUnit.start();
                        }
                }
        },
        teardown: function() {
-               try {
-                       checkPollution();
+               config.current = this;
+               if ( config.notrycatch ) {
                        this.testEnvironment.teardown.call(this.testEnvironment);
-               } catch(e) {
-                       QUnit.ok( false, "Teardown failed on " + this.testName + ": " + e.message );
+                       return;
+               } else {
+                       try {
+                               this.testEnvironment.teardown.call(this.testEnvironment);
+                       } catch(e) {
+                               QUnit.pushFailure( "Teardown failed on " + this.testName + ": " + e.message, extractStacktrace( e, 1 ) );
+                       }
                }
+               checkPollution();
        },
        finish: function() {
-               if ( this.expected && this.expected != this.assertions.length ) {
-                       QUnit.ok( false, "Expected " + this.expected + " assertions, but " + this.assertions.length + " were run" );
+               config.current = this;
+               if ( this.expected != null && this.expected != this.assertions.length ) {
+                       QUnit.pushFailure( "Expected " + this.expected + " assertions, but " + this.assertions.length + " were run" );
+               } else if ( this.expected == null && !this.assertions.length ) {
+                       QUnit.pushFailure( "Expected at least one assertion, but none were run - call expect(0) to accept zero assertions." );
                }
-               
+
                var good = 0, bad = 0,
+                       li, i,
                        tests = id("qunit-tests");
 
                config.stats.all += this.assertions.length;
                config.moduleStats.all += this.assertions.length;
 
                if ( tests ) {
-                       var ol  = document.createElement("ol");
+                       var ol = document.createElement("ol");
 
-                       for ( var i = 0; i < this.assertions.length; i++ ) {
+                       for ( i = 0; i < this.assertions.length; i++ ) {
                                var assertion = this.assertions[i];
 
-                               var li = document.createElement("li");
+                               li = document.createElement("li");
                                li.className = assertion.result ? "pass" : "fail";
                                li.innerHTML = assertion.message || (assertion.result ? "okay" : "failed");
                                ol.appendChild( li );
@@ -154,29 +180,29 @@ Test.prototype = {
                        // store result when possible
                        if ( QUnit.config.reorder && defined.sessionStorage ) {
                                if (bad) {
-                                       sessionStorage.setItem("qunit-" + this.module + "-" + this.testName, bad);
+                                       sessionStorage.setItem("qunit-test-" + this.module + "-" + this.testName, bad);
                                } else {
-                                       sessionStorage.removeItem("qunit-" + this.module + "-" + this.testName);
+                                       sessionStorage.removeItem("qunit-test-" + this.module + "-" + this.testName);
                                }
                        }
 
-                       if (bad == 0) {
+                       if (bad === 0) {
                                ol.style.display = "none";
                        }
 
                        var b = document.createElement("strong");
                        b.innerHTML = this.name + " <b class='counts'>(<b class='failed'>" + bad + "</b>, <b class='passed'>" + good + "</b>, " + this.assertions.length + ")</b>";
-                       
+
                        var a = document.createElement("a");
                        a.innerHTML = "Rerun";
                        a.href = QUnit.url({ filter: getText([b]).replace(/\([^)]+\)$/, "").replace(/(^\s*|\s*$)/g, "") });
-                       
+
                        addEvent(b, "click", function() {
                                var next = b.nextSibling.nextSibling,
                                        display = next.style.display;
                                next.style.display = display === "none" ? "block" : "none";
                        });
-                       
+
                        addEvent(b, "dblclick", function(e) {
                                var target = e && e.target ? e.target : window.event.srcElement;
                                if ( target.nodeName.toLowerCase() == "span" || target.nodeName.toLowerCase() == "b" ) {
@@ -187,7 +213,7 @@ Test.prototype = {
                                }
                        });
 
-                       var li = id(this.id);
+                       li = id(this.id);
                        li.className = bad ? "fail" : "pass";
                        li.removeChild( li.firstChild );
                        li.appendChild( b );
@@ -195,7 +221,7 @@ Test.prototype = {
                        li.appendChild( ol );
 
                } else {
-                       for ( var i = 0; i < this.assertions.length; i++ ) {
+                       for ( i = 0; i < this.assertions.length; i++ ) {
                                if ( !this.assertions[i].result ) {
                                        bad++;
                                        config.stats.bad++;
@@ -204,20 +230,17 @@ Test.prototype = {
                        }
                }
 
-               try {
-                       QUnit.reset();
-               } catch(e) {
-                       fail("reset() failed, following Test " + this.testName + ", exception and reset fn follows", e, QUnit.reset);
-               }
+               QUnit.reset();
 
-               QUnit.testDone( {
+               runLoggingCallbacks( 'testDone', QUnit, {
                        name: this.testName,
+                       module: this.module,
                        failed: bad,
                        passed: this.assertions.length - bad,
                        total: this.assertions.length
                } );
        },
-       
+
        queue: function() {
                var test = this;
                synchronize(function() {
@@ -239,14 +262,14 @@ Test.prototype = {
                        });
                }
                // defer when previous test run passed, if storage is available
-               var bad = QUnit.config.reorder && defined.sessionStorage && +sessionStorage.getItem("qunit-" + this.module + "-" + this.testName);
+               var bad = QUnit.config.reorder && defined.sessionStorage && +sessionStorage.getItem("qunit-test-" + this.module + "-" + this.testName);
                if (bad) {
                        run();
                } else {
-                       synchronize(run);
-               };
+                       synchronize(run, true);
+               }
        }
-       
+
 };
 
 var QUnit = {
@@ -260,24 +283,19 @@ var QUnit = {
        asyncTest: function(testName, expected, callback) {
                if ( arguments.length === 2 ) {
                        callback = expected;
-                       expected = 0;
+                       expected = null;
                }
 
                QUnit.test(testName, expected, callback, true);
        },
-       
+
        test: function(testName, expected, callback, async) {
-               var name = '<span class="test-name">' + testName + '</span>', testEnvironmentArg;
+               var name = '<span class="test-name">' + escapeInnerText(testName) + '</span>';
 
                if ( arguments.length === 2 ) {
                        callback = expected;
                        expected = null;
                }
-               // is 2nd argument a testEnvironment?
-               if ( expected && typeof expected === 'object') {
-                       testEnvironmentArg =  expected;
-                       expected = null;
-               }
 
                if ( config.currentModule ) {
                        name = '<span class="module-name">' + config.currentModule + "</span>: " + name;
@@ -286,50 +304,46 @@ var QUnit = {
                if ( !validTest(config.currentModule + ": " + testName) ) {
                        return;
                }
-               
-               var test = new Test(name, testName, expected, testEnvironmentArg, async, callback);
+
+               var test = new Test(name, testName, expected, async, callback);
                test.module = config.currentModule;
                test.moduleTestEnvironment = config.currentModuleTestEnviroment;
                test.queue();
        },
-       
-       /**
-        * Specify the number of expected assertions to gurantee that failed test (no assertions are run at all) don't slip through.
-        */
+
+       // Specify the number of expected assertions to gurantee that failed test (no assertions are run at all) don't slip through.
        expect: function(asserts) {
                config.current.expected = asserts;
        },
 
-       /**
-        * Asserts true.
-        * @example ok( "asdfasdf".length > 5, "There must be at least 5 chars" );
-        */
-       ok: function(a, msg) {
-               a = !!a;
+       // Asserts true.
+       // @example ok( "asdfasdf".length > 5, "There must be at least 5 chars" );
+       ok: function(result, msg) {
+               if (!config.current) {
+                       throw new Error("ok() assertion outside test context, was " + sourceFromStacktrace(2));
+               }
+               result = !!result;
                var details = {
-                       result: a,
+                       result: result,
                        message: msg
                };
-               msg = escapeHtml(msg);
-               QUnit.log(details);
+               msg = escapeInnerText(msg || (result ? "okay" : "failed"));
+               if ( !result ) {
+                       var source = sourceFromStacktrace(2);
+                       if (source) {
+                               details.source = source;
+                               msg += '<table><tr class="test-source"><th>Source: </th><td><pre>' + escapeInnerText(source) + '</pre></td></tr></table>';
+                       }
+               }
+               runLoggingCallbacks( 'log', QUnit, details );
                config.current.assertions.push({
-                       result: a,
+                       result: result,
                        message: msg
                });
        },
 
-       /**
-        * Checks that the first two arguments are equal, with an optional message.
-        * Prints out both actual and expected values.
-        *
-        * Prefered to ok( actual == expected, message )
-        *
-        * @example equal( format("Received {0} bytes.", 2), "Received 2 bytes." );
-        *
-        * @param Object actual
-        * @param Object expected
-        * @param String message (optional)
-        */
+       // Checks that the first two arguments are equal, with an optional message. Prints out both actual and expected values.
+       // @example equal( format("Received {0} bytes.", 2), "Received 2 bytes." );
        equal: function(actual, expected, message) {
                QUnit.push(expected == actual, actual, expected, message);
        },
@@ -337,7 +351,7 @@ var QUnit = {
        notEqual: function(actual, expected, message) {
                QUnit.push(expected != actual, actual, expected, message);
        },
-       
+
        deepEqual: function(actual, expected, message) {
                QUnit.push(QUnit.equiv(actual, expected), actual, expected, message);
        },
@@ -356,39 +370,39 @@ var QUnit = {
 
        raises: function(block, expected, message) {
                var actual, ok = false;
-       
+
                if (typeof expected === 'string') {
                        message = expected;
                        expected = null;
                }
-       
+
                try {
-                       block();
+                       block.call(config.current.testEnvironment);
                } catch (e) {
                        actual = e;
                }
-       
+
                if (actual) {
                        // we don't want to validate thrown error
                        if (!expected) {
                                ok = true;
-                       // expected is a regexp 
+                       // expected is a regexp
                        } else if (QUnit.objectType(expected) === "regexp") {
                                ok = expected.test(actual);
-                       // expected is a constructor    
+                       // expected is a constructor
                        } else if (actual instanceof expected) {
                                ok = true;
-                       // expected is a validation function which returns true is validation passed    
+                       // expected is a validation function which returns true is validation passed
                        } else if (expected.call({}, actual) === true) {
                                ok = true;
                        }
                }
-                       
+
                QUnit.ok(ok, message);
        },
 
-       start: function() {
-               config.semaphore--;
+       start: function(count) {
+               config.semaphore -= count || 1;
                if (config.semaphore > 0) {
                        // don't start until equal number of stop-calls
                        return;
@@ -400,36 +414,54 @@ var QUnit = {
                // 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();
+                               process(true);
                        }, 13);
                } else {
                        config.blocking = false;
-                       process();
+                       process(true);
                }
        },
-       
-       stop: function(timeout) {
-               config.semaphore++;
+
+       stop: function(count) {
+               config.semaphore += count || 1;
                config.blocking = true;
 
-               if ( timeout && defined.setTimeout ) {
+               if ( config.testTimeout && defined.setTimeout ) {
                        clearTimeout(config.timeout);
                        config.timeout = window.setTimeout(function() {
                                QUnit.ok( false, "Test timed out" );
+                               config.semaphore = 1;
                                QUnit.start();
-                       }, timeout);
+                       }, config.testTimeout);
                }
        }
 };
 
-// Backwards compatibility, deprecated
-QUnit.equals = QUnit.equal;
-QUnit.same = QUnit.deepEqual;
+//We want access to the constructor's prototype
+(function() {
+       function F(){}
+       F.prototype = QUnit;
+       QUnit = new F();
+       //Make F QUnit's constructor so that we can add to the prototype later
+       QUnit.constructor = F;
+}());
+
+// deprecated; still export them to window to provide clear error messages
+// next step: remove entirely
+QUnit.equals = function() {
+       QUnit.push(false, false, false, "QUnit.equals has been deprecated since 2009 (e88049a0), use QUnit.equal instead");
+};
+QUnit.same = function() {
+       QUnit.push(false, false, false, "QUnit.same has been deprecated since 2009 (e88049a0), use QUnit.deepEqual instead");
+};
 
 // Maintain internal state
 var config = {
@@ -438,13 +470,28 @@ var config = {
 
        // block until document ready
        blocking: true,
-       
+
+       // when enabled, show only failing tests
+       // gets persisted through sessionStorage and can be changed in UI via checkbox
+       hidepassed: false,
+
        // by default, run previously failed tests first
        // very useful in combination with "Hide passed tests" checked
        reorder: true,
 
-       noglobals: false,
-       notrycatch: false
+       // by default, modify document.title when suite is done
+       altertitle: true,
+
+       urlConfig: ['noglobals', 'notrycatch'],
+
+       //logging callback queues
+       begin: [],
+       done: [],
+       log: [],
+       testStart: [],
+       testDone: [],
+       moduleStart: [],
+       moduleDone: []
 };
 
 // Load paramaters
@@ -462,9 +509,6 @@ var config = {
                        // 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 ];
-                       if ( current[ 0 ] in config ) {
-                               config[ current[ 0 ] ] = current[ 1 ];
-                       }
                }
        }
 
@@ -472,17 +516,14 @@ var config = {
        config.filter = urlParams.filter;
 
        // Figure out if we're running the tests from a server or not
-       QUnit.isLocal = !!(location.protocol === 'file:');
-})();
+       QUnit.isLocal = location.protocol === 'file:';
+}());
 
 // Expose the API as global variables, unless an 'exports'
-// object exists, in that case we assume we're in CommonJS
+// object exists, in that case we assume we're in CommonJS - export everything at the end
 if ( typeof exports === "undefined" || typeof require === "undefined" ) {
        extend(window, QUnit);
        window.QUnit = QUnit;
-} else {
-       extend(exports, QUnit);
-       exports.QUnit = QUnit;
 }
 
 // define these after exposing globals to keep them in these QUnit namespace only
@@ -494,7 +535,7 @@ extend(QUnit, {
                extend(config, {
                        stats: { all: 0, bad: 0 },
                        moduleStats: { all: 0, bad: 0 },
-                       started: +new Date,
+                       started: +new Date(),
                        updateRate: 1000,
                        blocking: false,
                        autostart: true,
@@ -504,6 +545,16 @@ extend(QUnit, {
                        semaphore: 0
                });
 
+               var qunit = id( "qunit" );
+               if ( qunit ) {
+                       qunit.innerHTML =
+                               '<h1 id="qunit-header">' + escapeInnerText( document.title ) + '</h1>' +
+                               '<h2 id="qunit-banner"></h2>' +
+                               '<div id="qunit-testrunner-toolbar"></div>' +
+                               '<h2 id="qunit-userAgent"></h2>' +
+                               '<ol id="qunit-tests"></ol>';
+               }
+
                var tests = id( "qunit-tests" ),
                        banner = id( "qunit-banner" ),
                        result = id( "qunit-testresult" );
@@ -519,7 +570,7 @@ extend(QUnit, {
                if ( result ) {
                        result.parentNode.removeChild( result );
                }
-               
+
                if ( tests ) {
                        result = document.createElement( "p" );
                        result.id = "qunit-testresult";
@@ -528,12 +579,9 @@ extend(QUnit, {
                        result.innerHTML = 'Running...<br/>&nbsp;';
                }
        },
-       
-       /**
-        * Resets the test setup. Useful for tests that modify the DOM.
-        * 
-        * If jQuery is available, uses jQuery's html(), otherwise just innerHTML.
-        */
+
+       // Resets the test setup. Useful for tests that modify the DOM.
+       // If jQuery is available, uses jQuery's html(), otherwise just innerHTML.
        reset: function() {
                if ( window.jQuery ) {
                        jQuery( "#qunit-fixture" ).html( config.fixture );
@@ -544,15 +592,9 @@ extend(QUnit, {
                        }
                }
        },
-       
-       /**
-        * Trigger an event on an element.
-        *
-        * @example triggerEvent( document.body, "click" );
-        *
-        * @param DOMElement elem
-        * @param String type
-        */
+
+       // Trigger an event on an element.
+       // @example triggerEvent( document.body, "click" );
        triggerEvent: function( elem, type, event ) {
                if ( document.createEvent ) {
                        event = document.createEvent("MouseEvents");
@@ -564,12 +606,12 @@ extend(QUnit, {
                        elem.fireEvent("on"+type);
                }
        },
-       
+
        // Safe object type checking
        is: function( type, obj ) {
                return QUnit.objectType( obj ) == type;
        },
-       
+
        objectType: function( obj ) {
                if (typeof obj === "undefined") {
                                return "undefined";
@@ -580,99 +622,130 @@ extend(QUnit, {
                                return "null";
                }
 
-               var type = Object.prototype.toString.call( obj )
-                       .match(/^\[object\s(.*)\]$/)[1] || '';
+               var type = toString.call( obj ).match(/^\[object\s(.*)\]$/)[1] || '';
 
                switch (type) {
-                               case 'Number':
-                                               if (isNaN(obj)) {
-                                                               return "nan";
-                                               } else {
-                                                               return "number";
-                                               }
-                               case 'String':
-                               case 'Boolean':
-                               case 'Array':
-                               case 'Date':
-                               case 'RegExp':
-                               case 'Function':
-                                               return type.toLowerCase();
+                       case 'Number':
+                               if (isNaN(obj)) {
+                                       return "nan";
+                               }
+                               return "number";
+                       case 'String':
+                       case 'Boolean':
+                       case 'Array':
+                       case 'Date':
+                       case 'RegExp':
+                       case 'Function':
+                                       return type.toLowerCase();
                }
                if (typeof obj === "object") {
                                return "object";
                }
                return undefined;
        },
-       
+
        push: function(result, actual, expected, message) {
+               if (!config.current) {
+                       throw new Error("assertion outside test context, was " + sourceFromStacktrace());
+               }
                var details = {
                        result: result,
                        message: message,
                        actual: actual,
                        expected: expected
                };
-               
-               message = escapeHtml(message) || (result ? "okay" : "failed");
+
+               message = escapeInnerText(message) || (result ? "okay" : "failed");
                message = '<span class="test-message">' + message + "</span>";
-               expected = escapeHtml(QUnit.jsDump.parse(expected));
-               actual = escapeHtml(QUnit.jsDump.parse(actual));
-               var output = message + '<table><tr class="test-expected"><th>Expected: </th><td><pre>' + expected + '</pre></td></tr>';
-               if (actual != expected) {
-                       output += '<tr class="test-actual"><th>Result: </th><td><pre>' + actual + '</pre></td></tr>';
-                       output += '<tr class="test-diff"><th>Diff: </th><td><pre>' + QUnit.diff(expected, actual) +'</pre></td></tr>';
-               }
+               var output = message;
                if (!result) {
+                       expected = escapeInnerText(QUnit.jsDump.parse(expected));
+                       actual = escapeInnerText(QUnit.jsDump.parse(actual));
+                       output += '<table><tr class="test-expected"><th>Expected: </th><td><pre>' + expected + '</pre></td></tr>';
+                       if (actual != expected) {
+                               output += '<tr class="test-actual"><th>Result: </th><td><pre>' + actual + '</pre></td></tr>';
+                               output += '<tr class="test-diff"><th>Diff: </th><td><pre>' + QUnit.diff(expected, actual) +'</pre></td></tr>';
+                       }
                        var source = sourceFromStacktrace();
                        if (source) {
                                details.source = source;
-                               output += '<tr class="test-source"><th>Source: </th><td><pre>' + source +'</pre></td></tr>';
+                               output += '<tr class="test-source"><th>Source: </th><td><pre>' + escapeInnerText(source) + '</pre></td></tr>';
                        }
+                       output += "</table>";
                }
-               output += "</table>";
-               
-               QUnit.log(details);
-               
+
+               runLoggingCallbacks( 'log', QUnit, details );
+
                config.current.assertions.push({
                        result: !!result,
                        message: output
                });
        },
-       
+
+       pushFailure: function(message, source) {
+               var details = {
+                       result: false,
+                       message: message
+               };
+               var output = escapeInnerText(message);
+               if (source) {
+                       details.source = source;
+                       output += '<table><tr class="test-source"><th>Source: </th><td><pre>' + escapeInnerText(source) + '</pre></td></tr></table>';
+               }
+               runLoggingCallbacks( 'log', QUnit, details );
+               config.current.assertions.push({
+                       result: false,
+                       message: output
+               });
+       },
+
        url: function( params ) {
                params = extend( extend( {}, QUnit.urlParams ), params );
                var querystring = "?",
                        key;
                for ( key in params ) {
+                       if ( !hasOwn.call( params, key ) ) {
+                               continue;
+                       }
                        querystring += encodeURIComponent( key ) + "=" +
                                encodeURIComponent( params[ key ] ) + "&";
                }
                return window.location.pathname + querystring.slice( 0, -1 );
        },
-       
+
+       extend: extend,
+       id: id,
+       addEvent: addEvent
+});
+
+//QUnit.constructor is set to the empty F() above so that we can add to it's prototype later
+//Doing this allows us to tell if the following methods have been overwritten on the actual
+//QUnit object, which is a deprecated way of using the callbacks.
+extend(QUnit.constructor.prototype, {
        // Logging callbacks; all receive a single argument with the listed properties
        // run test/logs.html for any related changes
-       begin: function() {},
+       begin: registerLoggingCallback('begin'),
        // done: { failed, passed, total, runtime }
-       done: function() {},
+       done: registerLoggingCallback('done'),
        // log: { result, actual, expected, message }
-       log: function() {},
+       log: registerLoggingCallback('log'),
        // testStart: { name }
-       testStart: function() {},
+       testStart: registerLoggingCallback('testStart'),
        // testDone: { name, failed, passed, total }
-       testDone: function() {},
+       testDone: registerLoggingCallback('testDone'),
        // moduleStart: { name }
-       moduleStart: function() {},
+       moduleStart: registerLoggingCallback('moduleStart'),
        // moduleDone: { name, failed, passed, total }
-       moduleDone: function() {}
+       moduleDone: registerLoggingCallback('moduleDone')
 });
 
 if ( typeof document === "undefined" || document.readyState === "complete" ) {
        config.autorun = true;
 }
 
-addEvent(window, "load", function() {
-       QUnit.begin({});
-       
+QUnit.load = function() {
+       runLoggingCallbacks( 'begin', QUnit, {} );
+
        // Initialize the config, saving the execution queue
        var oldconfig = extend({}, config);
        QUnit.init();
@@ -680,22 +753,27 @@ addEvent(window, "load", function() {
 
        config.blocking = false;
 
+       var urlConfigHtml = '', len = config.urlConfig.length;
+       for ( var i = 0, val; i < len; i++ ) {
+               val = config.urlConfig[i];
+               config[val] = QUnit.urlParams[val];
+               urlConfigHtml += '<label><input name="' + val + '" type="checkbox"' + ( config[val] ? ' checked="checked"' : '' ) + '>' + val + '</label>';
+       }
+
        var userAgent = id("qunit-userAgent");
        if ( userAgent ) {
                userAgent.innerHTML = navigator.userAgent;
        }
        var banner = id("qunit-header");
        if ( banner ) {
-               banner.innerHTML = '<a href="' + QUnit.url({ filter: undefined }) + '"> ' + banner.innerHTML + '</a> ' +
-                       '<label><input name="noglobals" type="checkbox"' + ( config.noglobals ? ' checked="checked"' : '' ) + '>noglobals</label>' +
-                       '<label><input name="notrycatch" type="checkbox"' + ( config.notrycatch ? ' checked="checked"' : '' ) + '>notrycatch</label>';
+               banner.innerHTML = '<a href="' + QUnit.url({ filter: undefined }) + '"> ' + banner.innerHTML + '</a> ' + urlConfigHtml;
                addEvent( banner, "change", function( event ) {
                        var params = {};
                        params[ event.target.name ] = event.target.checked ? true : undefined;
                        window.location = QUnit.url( params );
                });
        }
-       
+
        var toolbar = id("qunit-testrunner-toolbar");
        if ( toolbar ) {
                var filter = document.createElement("input");
@@ -711,13 +789,13 @@ addEvent(window, "load", function() {
                        }
                        if ( defined.sessionStorage ) {
                                if (filter.checked) {
-                                       sessionStorage.setItem("qunit-filter-passed-tests",  "true");
+                                       sessionStorage.setItem("qunit-filter-passed-tests", "true");
                                } else {
                                        sessionStorage.removeItem("qunit-filter-passed-tests");
                                }
                        }
                });
-               if ( defined.sessionStorage && sessionStorage.getItem("qunit-filter-passed-tests") ) {
+               if ( config.hidepassed || defined.sessionStorage && sessionStorage.getItem("qunit-filter-passed-tests") ) {
                        filter.checked = true;
                        var ol = document.getElementById("qunit-tests");
                        ol.className = ol.className + " hidepass";
@@ -738,14 +816,27 @@ addEvent(window, "load", function() {
        if (config.autostart) {
                QUnit.start();
        }
-});
+};
+
+addEvent(window, "load", QUnit.load);
+
+// addEvent(window, "error") gives us a useless event object
+window.onerror = function( message, file, line ) {
+       if ( QUnit.config.current ) {
+               QUnit.pushFailure( message, file + ":" + line );
+       } else {
+               QUnit.test( "global failure", function() {
+                       QUnit.pushFailure( message, file + ":" + line );
+               });
+       }
+};
 
 function done() {
        config.autorun = true;
 
        // Log the last module results
        if ( config.currentModule ) {
-               QUnit.moduleDone( {
+               runLoggingCallbacks( 'moduleDone', QUnit, {
                        name: config.currentModule,
                        failed: config.moduleStats.bad,
                        passed: config.moduleStats.all - config.moduleStats.bad,
@@ -755,7 +846,7 @@ function done() {
 
        var banner = id("qunit-banner"),
                tests = id("qunit-tests"),
-               runtime = +new Date - config.started,
+               runtime = +new Date() - config.started,
                passed = config.stats.all - config.stats.bad,
                html = [
                        'Tests completed in ',
@@ -774,13 +865,33 @@ function done() {
                banner.className = (config.stats.bad ? "qunit-fail" : "qunit-pass");
        }
 
-       if ( tests ) {  
+       if ( tests ) {
                id( "qunit-testresult" ).innerHTML = html;
        }
 
-       QUnit.done( {
+       if ( config.altertitle && typeof document !== "undefined" && document.title ) {
+               // show ✖ for good, ✔ for bad suite result in title
+               // use escape sequences in case file gets loaded with non-utf-8-charset
+               document.title = [
+                       (config.stats.bad ? "\u2716" : "\u2714"),
+                       document.title.replace(/^[\u2714\u2716] /i, "")
+               ].join(" ");
+       }
+
+       // clear own sessionStorage items if all tests passed
+       if ( config.reorder && defined.sessionStorage && config.stats.bad === 0 ) {
+               var key;
+               for ( var i = 0; i < sessionStorage.length; i++ ) {
+                       key = sessionStorage.key( i++ );
+                       if ( key.indexOf("qunit-test-") === 0 ) {
+                               sessionStorage.removeItem( key );
+                       }
+               }
+       }
+
+       runLoggingCallbacks( 'done', QUnit, {
                failed: config.stats.bad,
-               passed: passed, 
+               passed: passed,
                total: config.stats.all,
                runtime: runtime
        } );
@@ -794,7 +905,7 @@ function validTest( name ) {
                return true;
        }
 
-       not = filter.charAt( 0 ) === "!";
+       var not = filter.charAt( 0 ) === "!";
        if ( not ) {
                filter = filter.slice( 1 );
        }
@@ -810,32 +921,48 @@ function validTest( name ) {
        return run;
 }
 
-// so far supports only Firefox, Chrome and Opera (buggy)
-// could be extended in the future to use something like https://github.com/csnover/TraceKit
-function sourceFromStacktrace() {
+// 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 || 3;
+       if (e.stacktrace) {
+               // Opera
+               return e.stacktrace.split("\n")[offset + 3];
+       } else if (e.stack) {
+               // Firefox, Chrome
+               var stack = e.stack.split("\n");
+               if (/^error$/i.test(stack[0])) {
+                       stack.shift();
+               }
+               return stack[offset];
+       } else if (e.sourceURL) {
+               // Safari, PhantomJS
+               // hopefully one day Safari provides actual stacktraces
+               // exclude useless self-reference for generated Error objects
+               if ( /qunit.js$/.test( e.sourceURL ) ) {
+                       return;
+               }
+               // for actual exceptions, this is useful
+               return e.sourceURL + ":" + e.line;
+       }
+}
+function sourceFromStacktrace(offset) {
        try {
                throw new Error();
        } catch ( e ) {
-               if (e.stacktrace) {
-                       // Opera
-                       return e.stacktrace.split("\n")[6];
-               } else if (e.stack) {
-                       // Firefox, Chrome
-                       return e.stack.split("\n")[4];
-               }
+               return extractStacktrace( e, offset );
        }
 }
 
-function escapeHtml(s) {
+function escapeInnerText(s) {
        if (!s) {
                return "";
        }
        s = s + "";
-       return s.replace(/[\&"<>\\]/g, function(s) {
+       return s.replace(/[\&<>]/g, function(s) {
                switch(s) {
                        case "&": return "&amp;";
-                       case "\\": return "\\\\";
-                       case '"': return '\"';
                        case "<": return "&lt;";
                        case ">": return "&gt;";
                        default: return s;
@@ -843,35 +970,43 @@ function escapeHtml(s) {
        });
 }
 
-function synchronize( callback ) {
+function synchronize( callback, last ) {
        config.queue.push( callback );
 
        if ( config.autorun && !config.blocking ) {
-               process();
+               process(last);
        }
 }
 
-function process() {
-       var start = (new Date()).getTime();
+function process( last ) {
+       function next() {
+               process( last );
+       }
+       var start = new Date().getTime();
+       config.depth = config.depth ? config.depth + 1 : 1;
 
        while ( config.queue.length && !config.blocking ) {
-               if ( config.updateRate <= 0 || (((new Date()).getTime() - start) < config.updateRate) ) {
+               if ( !defined.setTimeout || config.updateRate <= 0 || ( ( new Date().getTime() - start ) < config.updateRate ) ) {
                        config.queue.shift()();
                } else {
-                       window.setTimeout( process, 13 );
+                       window.setTimeout( next, 13 );
                        break;
                }
        }
-  if (!config.blocking && !config.queue.length) {
-    done();
-  }
+       config.depth--;
+       if ( last && !config.blocking && !config.queue.length && config.depth === 0 ) {
+               done();
+       }
 }
 
 function saveGlobal() {
        config.pollution = [];
-       
+
        if ( config.noglobals ) {
                for ( var key in window ) {
+                       if ( !hasOwn.call( window, key ) ) {
+                               continue;
+                       }
                        config.pollution.push( key );
                }
        }
@@ -880,15 +1015,15 @@ function saveGlobal() {
 function checkPollution( name ) {
        var old = config.pollution;
        saveGlobal();
-       
+
        var newGlobals = diff( config.pollution, old );
        if ( newGlobals.length > 0 ) {
-               ok( false, "Introduced global variable(s): " + newGlobals.join(", ") );
+               QUnit.pushFailure( "Introduced global variable(s): " + newGlobals.join(", ") );
        }
 
        var deletedGlobals = diff( old, config.pollution );
        if ( deletedGlobals.length > 0 ) {
-               ok( false, "Deleted global variable(s): " + deletedGlobals.join(", ") );
+               QUnit.pushFailure( "Deleted global variable(s): " + deletedGlobals.join(", ") );
        }
 }
 
@@ -907,22 +1042,13 @@ function diff( a, b ) {
        return result;
 }
 
-function fail(message, exception, callback) {
-       if ( typeof console !== "undefined" && console.error && console.warn ) {
-               console.error(message);
-               console.error(exception);
-               console.warn(callback.toString());
-
-       } else if ( window.opera && opera.postError ) {
-               opera.postError(message, exception, callback.toString);
-       }
-}
-
 function extend(a, b) {
        for ( var prop in b ) {
                if ( b[prop] === undefined ) {
                        delete a[prop];
-               } else {
+
+               // Avoid "Member not found" error in IE8 caused by setting window.constructor
+               } else if ( prop !== "constructor" || a !== window ) {
                        a[prop] = b[prop];
                }
        }
@@ -945,176 +1071,214 @@ function id(name) {
                document.getElementById( name );
 }
 
+function registerLoggingCallback(key){
+       return function(callback){
+               config[key].push( callback );
+       };
+}
+
+// Supports deprecated method of completely overwriting logging callbacks
+function runLoggingCallbacks(key, scope, args) {
+       //debugger;
+       var callbacks;
+       if ( QUnit.hasOwnProperty(key) ) {
+               QUnit[key].call(scope, args);
+       } else {
+               callbacks = config[key];
+               for( var i = 0; i < callbacks.length; i++ ) {
+                       callbacks[i].call( scope, args );
+               }
+       }
+}
+
 // Test for equality any JavaScript type.
-// Discussions and reference: http://philrathe.com/articles/equiv
-// Test suites: http://philrathe.com/tests/equiv
 // Author: Philippe Rathé <prathe@gmail.com>
-QUnit.equiv = function () {
-
-    var innerEquiv; // the real equiv function
-    var callers = []; // stack to decide between skip/abort functions
-    var parents = []; // stack to avoiding loops from circular referencing
-
-    // Call the o related callback with the given arguments.
-    function bindCallbacks(o, callbacks, args) {
-        var prop = QUnit.objectType(o);
-        if (prop) {
-            if (QUnit.objectType(callbacks[prop]) === "function") {
-                return callbacks[prop].apply(callbacks, args);
-            } else {
-                return callbacks[prop]; // or undefined
-            }
-        }
-    }
-    
-    var callbacks = function () {
-
-        // for string, boolean, number and null
-        function useStrictEquality(b, a) {
-            if (b instanceof a.constructor || a instanceof b.constructor) {
-                // to catch short annotaion VS 'new' annotation of a declaration
-                // e.g. var i = 1;
-                //      var j = new Number(1);
-                return a == b;
-            } else {
-                return a === b;
-            }
-        }
-
-        return {
-            "string": useStrictEquality,
-            "boolean": useStrictEquality,
-            "number": useStrictEquality,
-            "null": useStrictEquality,
-            "undefined": useStrictEquality,
-
-            "nan": function (b) {
-                return isNaN(b);
-            },
-
-            "date": function (b, a) {
-                return QUnit.objectType(b) === "date" && a.valueOf() === b.valueOf();
-            },
-
-            "regexp": function (b, a) {
-                return QUnit.objectType(b) === "regexp" &&
-                    a.source === b.source && // the regex itself
-                    a.global === b.global && // and its modifers (gmi) ...
-                    a.ignoreCase === b.ignoreCase &&
-                    a.multiline === b.multiline;
-            },
-
-            // - skip when the property is a method of an instance (OOP)
-            // - abort otherwise,
-            //   initial === would have catch identical references anyway
-            "function": function () {
-                var caller = callers[callers.length - 1];
-                return caller !== Object &&
-                        typeof caller !== "undefined";
-            },
-
-            "array": function (b, a) {
-                var i, j, loop;
-                var len;
-
-                // b could be an object literal here
-                if ( ! (QUnit.objectType(b) === "array")) {
-                    return false;
-                }   
-                
-                len = a.length;
-                if (len !== b.length) { // safe and faster
-                    return false;
-                }
-                
-                //track reference to avoid circular references
-                parents.push(a);
-                for (i = 0; i < len; i++) {
-                    loop = false;
-                    for(j=0;j<parents.length;j++){
-                        if(parents[j] === a[i]){
-                            loop = true;//dont rewalk array
-                        }
-                    }
-                    if (!loop && ! innerEquiv(a[i], b[i])) {
-                        parents.pop();
-                        return false;
-                    }
-                }
-                parents.pop();
-                return true;
-            },
-
-            "object": function (b, a) {
-                var i, j, loop;
-                var eq = true; // unless we can proove it
-                var aProperties = [], bProperties = []; // collection of strings
-
-                // comparing constructors is more strict than using instanceof
-                if ( a.constructor !== b.constructor) {
-                    return false;
-                }
-
-                // stack constructor before traversing properties
-                callers.push(a.constructor);
-                //track reference to avoid circular references
-                parents.push(a);
-                
-                for (i in a) { // be strict: don't ensures hasOwnProperty and go deep
-                    loop = false;
-                    for(j=0;j<parents.length;j++){
-                        if(parents[j] === a[i])
-                            loop = true; //don't go down the same path twice
-                    }
-                    aProperties.push(i); // collect a's properties
-
-                    if (!loop && ! innerEquiv(a[i], b[i])) {
-                        eq = false;
-                        break;
-                    }
-                }
-
-                callers.pop(); // unstack, we are done
-                parents.pop();
-
-                for (i in b) {
-                    bProperties.push(i); // collect b's properties
-                }
-
-                // Ensures identical properties name
-                return eq && innerEquiv(aProperties.sort(), bProperties.sort());
-            }
-        };
-    }();
-
-    innerEquiv = function () { // can take multiple arguments
-        var args = Array.prototype.slice.apply(arguments);
-        if (args.length < 2) {
-            return true; // end transition
-        }
-
-        return (function (a, b) {
-            if (a === b) {
-                return true; // catch the most you can
-            } else if (a === null || b === null || typeof a === "undefined" || typeof b === "undefined" || QUnit.objectType(a) !== QUnit.objectType(b)) {
-                return false; // don't lose time with error prone cases
-            } else {
-                return bindCallbacks(a, callbacks, [b, a]);
-            }
-
-        // apply transition with (1..n) arguments
-        })(args[0], args[1]) && arguments.callee.apply(this, args.splice(1, args.length -1));
-    };
-
-    return innerEquiv;
-
-}();
+QUnit.equiv = (function() {
+
+       var innerEquiv; // the real equiv function
+       var callers = []; // stack to decide between skip/abort functions
+       var parents = []; // stack to avoiding loops from circular referencing
+
+       // Call the o related callback with the given arguments.
+       function bindCallbacks(o, callbacks, args) {
+               var prop = QUnit.objectType(o);
+               if (prop) {
+                       if (QUnit.objectType(callbacks[prop]) === "function") {
+                               return callbacks[prop].apply(callbacks, args);
+                       } else {
+                               return callbacks[prop]; // or undefined
+                       }
+               }
+       }
+
+       var getProto = Object.getPrototypeOf || function (obj) {
+               return obj.__proto__;
+       };
+
+       var callbacks = (function () {
+
+               // for string, boolean, number and null
+               function useStrictEquality(b, a) {
+                       if (b instanceof a.constructor || a instanceof b.constructor) {
+                               // to catch short annotaion VS 'new' annotation of a
+                               // declaration
+                               // e.g. var i = 1;
+                               // var j = new Number(1);
+                               return a == b;
+                       } else {
+                               return a === b;
+                       }
+               }
+
+               return {
+                       "string" : useStrictEquality,
+                       "boolean" : useStrictEquality,
+                       "number" : useStrictEquality,
+                       "null" : useStrictEquality,
+                       "undefined" : useStrictEquality,
+
+                       "nan" : function(b) {
+                               return isNaN(b);
+                       },
+
+                       "date" : function(b, a) {
+                               return QUnit.objectType(b) === "date" && a.valueOf() === b.valueOf();
+                       },
+
+                       "regexp" : function(b, a) {
+                               return QUnit.objectType(b) === "regexp" &&
+                                       // the regex itself
+                                       a.source === b.source &&
+                                       // and its modifers
+                                       a.global === b.global &&
+                                       // (gmi) ...
+                                       a.ignoreCase === b.ignoreCase &&
+                                       a.multiline === b.multiline;
+                       },
+
+                       // - skip when the property is a method of an instance (OOP)
+                       // - abort otherwise,
+                       // initial === would have catch identical references anyway
+                       "function" : function() {
+                               var caller = callers[callers.length - 1];
+                               return caller !== Object && typeof caller !== "undefined";
+                       },
+
+                       "array" : function(b, a) {
+                               var i, j, loop;
+                               var len;
+
+                               // b could be an object literal here
+                               if (QUnit.objectType(b) !== "array") {
+                                       return false;
+                               }
+
+                               len = a.length;
+                               if (len !== b.length) { // safe and faster
+                                       return false;
+                               }
+
+                               // track reference to avoid circular references
+                               parents.push(a);
+                               for (i = 0; i < len; i++) {
+                                       loop = false;
+                                       for (j = 0; j < parents.length; j++) {
+                                               if (parents[j] === a[i]) {
+                                                       loop = true;// dont rewalk array
+                                               }
+                                       }
+                                       if (!loop && !innerEquiv(a[i], b[i])) {
+                                               parents.pop();
+                                               return false;
+                                       }
+                               }
+                               parents.pop();
+                               return true;
+                       },
+
+                       "object" : function(b, a) {
+                               var i, j, loop;
+                               var eq = true; // unless we can proove it
+                               var aProperties = [], bProperties = []; // collection of
+                                                                                                               // strings
+
+                               // comparing constructors is more strict than using
+                               // instanceof
+                               if (a.constructor !== b.constructor) {
+                                       // Allow objects with no prototype to be equivalent to
+                                       // objects with Object as their constructor.
+                                       if (!((getProto(a) === null && getProto(b) === Object.prototype) ||
+                                               (getProto(b) === null && getProto(a) === Object.prototype)))
+                                       {
+                                               return false;
+                                       }
+                               }
+
+                               // stack constructor before traversing properties
+                               callers.push(a.constructor);
+                               // track reference to avoid circular references
+                               parents.push(a);
+
+                               for (i in a) { // be strict: don't ensures hasOwnProperty
+                                                               // and go deep
+                                       loop = false;
+                                       for (j = 0; j < parents.length; j++) {
+                                               if (parents[j] === a[i]) {
+                                                       // don't go down the same path twice
+                                                       loop = true;
+                                               }
+                                       }
+                                       aProperties.push(i); // collect a's properties
+
+                                       if (!loop && !innerEquiv(a[i], b[i])) {
+                                               eq = false;
+                                               break;
+                                       }
+                               }
+
+                               callers.pop(); // unstack, we are done
+                               parents.pop();
+
+                               for (i in b) {
+                                       bProperties.push(i); // collect b's properties
+                               }
+
+                               // Ensures identical properties name
+                               return eq && innerEquiv(aProperties.sort(), bProperties.sort());
+                       }
+               };
+       }());
+
+       innerEquiv = function() { // can take multiple arguments
+               var args = Array.prototype.slice.apply(arguments);
+               if (args.length < 2) {
+                       return true; // end transition
+               }
+
+               return (function(a, b) {
+                       if (a === b) {
+                               return true; // catch the most you can
+                       } else if (a === null || b === null || typeof a === "undefined" ||
+                                       typeof b === "undefined" ||
+                                       QUnit.objectType(a) !== QUnit.objectType(b)) {
+                               return false; // don't lose time with error prone cases
+                       } else {
+                               return bindCallbacks(a, callbacks, [ b, a ]);
+                       }
+
+                       // apply transition with (1..n) arguments
+               }(args[0], args[1]) && arguments.callee.apply(this, args.splice(1, args.length - 1)));
+       };
+
+       return innerEquiv;
+
+}());
 
 /**
- * jsDump
- * Copyright (c) 2008 Ariel Flesler - aflesler(at)gmail(dot)com | http://flesler.blogspot.com
- * Licensed under BSD (http://www.opensource.org/licenses/bsd-license.php)
- * Date: 5/15/2008
+ * jsDump Copyright (c) 2008 Ariel Flesler - aflesler(at)gmail(dot)com |
+ * http://flesler.blogspot.com Licensed under BSD
+ * (http://www.opensource.org/licenses/bsd-license.php) Date: 5/15/2008
+ *
  * @projectDescription Advanced and extensible data dumping for Javascript.
  * @version 1.0.0
  * @author Ariel Flesler
@@ -1123,41 +1287,54 @@ QUnit.equiv = function () {
 QUnit.jsDump = (function() {
        function quote( str ) {
                return '"' + str.toString().replace(/"/g, '\\"') + '"';
-       };
+       }
        function literal( o ) {
-               return o + '';  
-       };
+               return o + '';
+       }
        function join( pre, arr, post ) {
                var s = jsDump.separator(),
                        base = jsDump.indent(),
                        inner = jsDump.indent(1);
-               if ( arr.join )
+               if ( arr.join ) {
                        arr = arr.join( ',' + s + inner );
-               if ( !arr )
+               }
+               if ( !arr ) {
                        return pre + post;
+               }
                return [ pre, inner + arr, base + post ].join(s);
-       };
-       function array( arr ) {
-               var i = arr.length,     ret = Array(i);                                 
+       }
+       function array( arr, stack ) {
+               var i = arr.length, ret = new Array(i);
                this.up();
-               while ( i-- )
-                       ret[i] = this.parse( arr[i] );                          
+               while ( i-- ) {
+                       ret[i] = this.parse( arr[i] , undefined , stack);
+               }
                this.down();
                return join( '[', ret, ']' );
-       };
-       
+       }
+
        var reName = /^function (\w+)/;
-       
+
        var jsDump = {
-               parse:function( obj, type ) { //type is used mostly internally, you can fix a (custom)type in advance
-                       var     parser = this.parsers[ type || this.typeOf(obj) ];
-                       type = typeof parser;                   
-                       
-                       return type == 'function' ? parser.call( this, obj ) :
-                                  type == 'string' ? parser :
-                                  this.parsers.error;
+               parse: function( obj, type, stack ) { //type is used mostly internally, you can fix a (custom)type in advance
+                       stack = stack || [ ];
+                       var parser = this.parsers[ type || this.typeOf(obj) ];
+                       type = typeof parser;
+                       var inStack = inArray(obj, stack);
+                       if (inStack != -1) {
+                               return 'recursion('+(inStack - stack.length)+')';
+                       }
+                       //else
+                       if (type == 'function')  {
+                                       stack.push(obj);
+                                       var res = parser.call( this, obj, stack );
+                                       stack.pop();
+                                       return res;
+                       }
+                       // else
+                       return (type == 'string') ? parser : this.parsers.error;
                },
-               typeOf:function( obj ) {
+               typeOf: function( obj ) {
                        var type;
                        if ( obj === null ) {
                                type = "null";
@@ -1175,99 +1352,121 @@ QUnit.jsDump = (function() {
                                type = "document";
                        } else if (obj.nodeType) {
                                type = "node";
-                       } else if (typeof obj === "object" && typeof obj.length === "number" && obj.length >= 0) {
+                       } else if (
+                               // native arrays
+                               toString.call( obj ) === "[object Array]" ||
+                               // NodeList objects
+                               ( typeof obj.length === "number" && typeof obj.item !== "undefined" && ( obj.length ? obj.item(0) === obj[0] : ( obj.item( 0 ) === null && typeof obj[0] === "undefined" ) ) )
+                       ) {
                                type = "array";
                        } else {
                                type = typeof obj;
                        }
                        return type;
                },
-               separator:function() {
+               separator: function() {
                        return this.multiline ? this.HTML ? '<br />' : '\n' : this.HTML ? '&nbsp;' : ' ';
                },
-               indent:function( extra ) {// extra can be a number, shortcut for increasing-calling-decreasing
-                       if ( !this.multiline )
+               indent: function( extra ) {// extra can be a number, shortcut for increasing-calling-decreasing
+                       if ( !this.multiline ) {
                                return '';
+                       }
                        var chr = this.indentChar;
-                       if ( this.HTML )
+                       if ( this.HTML ) {
                                chr = chr.replace(/\t/g,'   ').replace(/ /g,'&nbsp;');
-                       return Array( this._depth_ + (extra||0) ).join(chr);
+                       }
+                       return new Array( this._depth_ + (extra||0) ).join(chr);
                },
-               up:function( a ) {
+               up: function( a ) {
                        this._depth_ += a || 1;
                },
-               down:function( a ) {
+               down: function( a ) {
                        this._depth_ -= a || 1;
                },
-               setParser:function( name, parser ) {
+               setParser: function( name, parser ) {
                        this.parsers[name] = parser;
                },
                // The next 3 are exposed so you can use them
-               quote:quote, 
-               literal:literal,
-               join:join,
+               quote: quote,
+               literal: literal,
+               join: join,
                //
                _depth_: 1,
                // This is the list of parsers, to modify them, use jsDump.setParser
-               parsers:{
+               parsers: {
                        window: '[Window]',
                        document: '[Document]',
-                       error:'[ERROR]', //when no parser is found, shouldn't happen
+                       error: '[ERROR]', //when no parser is found, shouldn't happen
                        unknown: '[Unknown]',
-                       'null':'null',
-                       'undefined':'undefined',
-                       'function':function( fn ) {
+                       'null': 'null',
+                       'undefined': 'undefined',
+                       'function': function( fn ) {
                                var ret = 'function',
                                        name = 'name' in fn ? fn.name : (reName.exec(fn)||[])[1];//functions never have name in IE
-                               if ( name )
+                               if ( name ) {
                                        ret += ' ' + name;
+                               }
                                ret += '(';
-                               
+
                                ret = [ ret, QUnit.jsDump.parse( fn, 'functionArgs' ), '){'].join('');
                                return join( ret, QUnit.jsDump.parse(fn,'functionCode'), '}' );
                        },
                        array: array,
                        nodelist: array,
-                       arguments: array,
-                       object:function( map ) {
-                               var ret = [ ];
+                       'arguments': array,
+                       object: function( map, stack ) {
+                               var ret = [ ], keys, key, val, i;
                                QUnit.jsDump.up();
-                               for ( var key in map )
-                                       ret.push( QUnit.jsDump.parse(key,'key') + ': ' + QUnit.jsDump.parse(map[key]) );
+                               if (Object.keys) {
+                                       keys = Object.keys( map );
+                               } else {
+                                       keys = [];
+                                       for (key in map) { keys.push( key ); }
+                               }
+                               keys.sort();
+                               for (i = 0; i < keys.length; i++) {
+                                       key = keys[ i ];
+                                       val = map[ key ];
+                                       ret.push( QUnit.jsDump.parse( key, 'key' ) + ': ' + QUnit.jsDump.parse( val, undefined, stack ) );
+                               }
                                QUnit.jsDump.down();
                                return join( '{', ret, '}' );
                        },
-                       node:function( node ) {
+                       node: function( node ) {
                                var open = QUnit.jsDump.HTML ? '&lt;' : '<',
                                        close = QUnit.jsDump.HTML ? '&gt;' : '>';
-                                       
+
                                var tag = node.nodeName.toLowerCase(),
                                        ret = open + tag;
-                                       
+
                                for ( var a in QUnit.jsDump.DOMAttrs ) {
                                        var val = node[QUnit.jsDump.DOMAttrs[a]];
-                                       if ( val )
+                                       if ( val ) {
                                                ret += ' ' + a + '=' + QUnit.jsDump.parse( val, 'attribute' );
+                                       }
                                }
                                return ret + close + open + '/' + tag + close;
                        },
-                       functionArgs:function( fn ) {//function calls it internally, it's the arguments part of the function
+                       functionArgs: function( fn ) {//function calls it internally, it's the arguments part of the function
                                var l = fn.length;
-                               if ( !l ) return '';                            
-                               
-                               var args = Array(l);
-                               while ( l-- )
+                               if ( !l ) {
+                                       return '';
+                               }
+
+                               var args = new Array(l);
+                               while ( l-- ) {
                                        args[l] = String.fromCharCode(97+l);//97 is 'a'
+                               }
                                return ' ' + args.join(', ') + ' ';
                        },
-                       key:quote, //object calls it internally, the key part of an item in a map
-                       functionCode:'[code]', //function calls it internally, it's the content of the function
-                       attribute:quote, //node calls it internally, it's an html attribute value
-                       string:quote,
-                       date:quote,
-                       regexp:literal, //regex
-                       number:literal,
-                       'boolean':literal
+                       key: quote, //object calls it internally, the key part of an item in a map
+                       functionCode: '[code]', //function calls it internally, it's the content of the function
+                       attribute: quote, //node calls it internally, it's an html attribute value
+                       string: quote,
+                       date: quote,
+                       regexp: literal, //regex
+                       number: literal,
+                       'boolean': literal
                },
                DOMAttrs:{//attributes to dump from nodes, name=>realName
                        id:'id',
@@ -1280,7 +1479,7 @@ QUnit.jsDump = (function() {
        };
 
        return jsDump;
-})();
+}());
 
 // from Sizzle.js
 function getText( elems ) {
@@ -1300,7 +1499,22 @@ function getText( elems ) {
        }
 
        return ret;
-};
+}
+
+//from jquery.js
+function inArray( elem, array ) {
+       if ( array.indexOf ) {
+               return array.indexOf( elem );
+       }
+
+       for ( var i = 0, length = array.length; i < length; i++ ) {
+               if ( array[ i ] === elem ) {
+                       return i;
+               }
+       }
+
+       return -1;
+}
 
 /*
  * Javascript Diff Algorithm
@@ -1311,35 +1525,41 @@ function getText( elems ) {
  *
  * More Info:
  *  http://ejohn.org/projects/javascript-diff-algorithm/
- *  
+ *
  * Usage: QUnit.diff(expected, actual)
- * 
+ *
  * QUnit.diff("the quick brown fox jumped over", "the quick fox jumps over") == "the  quick <del>brown </del> fox <del>jumped </del><ins>jumps </ins> over"
  */
 QUnit.diff = (function() {
-       function diff(o, n){
-               var ns = new Object();
-               var os = new Object();
-               
-               for (var i = 0; i < n.length; i++) {
-                       if (ns[n[i]] == null) 
+       function diff(o, n) {
+               var ns = {};
+               var os = {};
+               var i;
+
+               for (i = 0; i < n.length; i++) {
+                       if (ns[n[i]] == null) {
                                ns[n[i]] = {
-                                       rows: new Array(),
+                                       rows: [],
                                        o: null
                                };
+                       }
                        ns[n[i]].rows.push(i);
                }
-               
-               for (var i = 0; i < o.length; i++) {
-                       if (os[o[i]] == null) 
+
+               for (i = 0; i < o.length; i++) {
+                       if (os[o[i]] == null) {
                                os[o[i]] = {
-                                       rows: new Array(),
+                                       rows: [],
                                        n: null
                                };
+                       }
                        os[o[i]].rows.push(i);
                }
-               
-               for (var i in ns) {
+
+               for (i in ns) {
+                       if ( !hasOwn.call( ns, i ) ) {
+                               continue;
+                       }
                        if (ns[i].rows.length == 1 && typeof(os[i]) != "undefined" && os[i].rows.length == 1) {
                                n[ns[i].rows[0]] = {
                                        text: n[ns[i].rows[0]],
@@ -1351,8 +1571,8 @@ QUnit.diff = (function() {
                                };
                        }
                }
-               
-               for (var i = 0; i < n.length - 1; i++) {
+
+               for (i = 0; i < n.length - 1; i++) {
                        if (n[i].text != null && n[i + 1].text == null && n[i].row + 1 < o.length && o[n[i].row + 1].text == null &&
                        n[i + 1] == o[n[i].row + 1]) {
                                n[i + 1] = {
@@ -1365,8 +1585,8 @@ QUnit.diff = (function() {
                                };
                        }
                }
-               
-               for (var i = n.length - 1; i > 0; i--) {
+
+               for (i = n.length - 1; i > 0; i--) {
                        if (n[i].text != null && n[i - 1].text == null && n[i].row > 0 && o[n[i].row - 1].text == null &&
                        n[i - 1] == o[n[i].row - 1]) {
                                n[i - 1] = {
@@ -1379,20 +1599,21 @@ QUnit.diff = (function() {
                                };
                        }
                }
-               
+
                return {
                        o: o,
                        n: n
                };
        }
-       
-       return function(o, n){
+
+       return function(o, n) {
                o = o.replace(/\s+$/, '');
                n = n.replace(/\s+$/, '');
-               var out = diff(o == "" ? [] : o.split(/\s+/), n == "" ? [] : n.split(/\s+/));
+               var out = diff(o === "" ? [] : o.split(/\s+/), n === "" ? [] : n.split(/\s+/));
 
                var str = "";
-               
+               var i;
+
                var oSpace = o.match(/\s+/g);
                if (oSpace == null) {
                        oSpace = [" "];
@@ -1407,9 +1628,9 @@ QUnit.diff = (function() {
                else {
                        nSpace.push(" ");
                }
-               
-               if (out.n.length == 0) {
-                       for (var i = 0; i < out.o.length; i++) {
+
+               if (out.n.length === 0) {
+                       for (i = 0; i < out.o.length; i++) {
                                str += '<del>' + out.o[i] + oSpace[i] + "</del>";
                        }
                }
@@ -1419,14 +1640,14 @@ QUnit.diff = (function() {
                                        str += '<del>' + out.o[n] + oSpace[n] + "</del>";
                                }
                        }
-                       
-                       for (var i = 0; i < out.n.length; i++) {
+
+                       for (i = 0; i < out.n.length; i++) {
                                if (out.n[i].text == null) {
                                        str += '<ins>' + out.n[i] + nSpace[i] + "</ins>";
                                }
                                else {
                                        var pre = "";
-                                       
+
                                        for (n = out.n[i].row + 1; n < out.o.length && out.o[n].text == null; n++) {
                                                pre += '<del>' + out.o[n] + oSpace[n] + "</del>";
                                        }
@@ -1434,9 +1655,15 @@ QUnit.diff = (function() {
                                }
                        }
                }
-               
+
                return str;
        };
-})();
+}());
+
+// for CommonJS enviroments, export everything
+if ( typeof exports !== "undefined" || typeof require !== "undefined" ) {
+       extend(exports, QUnit);
+}
 
-})(this);
\ No newline at end of file
+// get at whatever the global object is, like window in browsers
+}( (function() {return this;}.call()) ));