Added QUnit-based test page and a debugging hook for it

js/background.js

@@ -1,5 +1,9 @@
 console.log("RubberGlove: Persisting settings");
-persistConfig("persistedSettings.js", {local:{enabled:true, verbose:true}});
+persistConfig("persistedSettings.js", {
+  enabled:true, 
+  verbose:false,
+  pluginWhiteList: []
+});
 console.log("RubberGlove: Settings stored at " + getWebStorageUri("persistedSettings.js"));
 
 function resetBadgeCounter(tabId) {

js/bomOverload.js

@@ -1,10 +1,10 @@
 function bomOverload() {
-  if(config.local.verbose) console.log("RubberGlove: Creating PluginArray");
+  if(settings.verbose) console.log("RubberGlove: Creating PluginArray");
   function PluginArray() { // native(PluginArray)
     if(window.navigator.plugins.constructor === PluginArray)
       throw new TypeError("Illegal constructor");
 
-    if(config.local.verbose) console.log("RubberGlove: Creating PluginArray instance");
+    if(settings.verbose) console.log("RubberGlove: Creating PluginArray instance");
 
     Object.defineProperty(this, 'length', {
       enumerable: true,
@@ -34,21 +34,23 @@ function bomOverload() {
       }
     }
   }
-  // Don't ask me why the real function has this...  It's not even a prototype.
-  PluginArray.toString = function toString() { // native(toString)
-    return Function.prototype.toString.apply(this, Array.prototype.slice.apply(arguments));
-  };
-  if(config.local.verbose) console.log("RubberGlove: Creating PluginArray.prototype.item()");
+  Object.defineProperty(PluginArray, "toString", {
+    enumerable: true,
+    value: function toString() { // native(toString)
+      return "function PluginArray() { [native code] }"; 
+    }
+  });
+  if(settings.verbose) console.log("RubberGlove: Creating PluginArray.prototype.item()");
   PluginArray.prototype.item = function item() { // native(item)
     return this[arguments[0]];
   };
-  if(config.local.verbose) console.log("RubberGlove: Creating PluginArray.prototype.namedItem()");
+  if(settings.verbose) console.log("RubberGlove: Creating PluginArray.prototype.namedItem()");
   PluginArray.prototype.namedItem = function namedItem() { // native(namedItem)
     return this[arguments[0]];
   };
-  if(config.local.verbose) console.log("RubberGlove: Creating PluginArray.prototype.refresh()");
+  if(settings.verbose) console.log("RubberGlove: Creating PluginArray.prototype.refresh()");
   PluginArray.prototype.refresh = (function(plugins) {
-    if(config.local.verbose) console.log("RubberGlove: Returning our custom PluginArray.refresh()");
+    if(settings.verbose) console.log("RubberGlove: Returning our custom PluginArray.refresh()");
     return function refresh() { // native(refresh)
       // Refresh the real plugins list
       plugins.refresh.apply(plugins, Array.prototype.slice.apply(arguments));
@@ -72,7 +74,7 @@ function bomOverload() {
       }
     }
   })(window.navigator.plugins);
-  if(config.local.verbose) console.log("RubberGlove: Replacing window.PluginArray");
+  if(settings.verbose) console.log("RubberGlove: Replacing window.PluginArray");
   Object.defineProperty(window, 'PluginArray', {
     enumerable: false,
     configurable: false,
@@ -81,12 +83,12 @@ function bomOverload() {
   });
 
   // TODO: This should refresh as well when PluginArray.refresh() is called.
-  if(config.local.verbose) console.log("RubberGlove: Creating MimeTypeArray");
+  if(settings.verbose) console.log("RubberGlove: Creating MimeTypeArray");
   function MimeTypeArray() { // native(MimeTypeArray)
     if(window.navigator.mimeTypes.constructor === MimeTypeArray)
       throw new TypeError("Illegal constructor");
 
-    if(config.local.verbose) console.log("RubberGlove: Creating MimeTypeArray instance");
+    if(settings.verbose) console.log("RubberGlove: Creating MimeTypeArray instance");
 
     Object.defineProperty(this, 'length', {
       enumerable: true,
@@ -116,21 +118,23 @@ function bomOverload() {
       }
     }
   }
-  // Don't ask me why the real function has this...  It's not even a prototype.
-  MimeTypeArray.toString = function toString() { // native(toString)
-    return Function.prototype.toString.apply(this, Array.prototype.slice.apply(arguments));
-  };
+  Object.defineProperty(MimeTypeArray, "toString", {
+    enumerable: true,
+    value: function toString() { // native(toString)
+      return "function MimeTypeArray() { [native code] }"; 
+    }
+  });
   // Yes, these duplicate the ones for PluginArray.  No, they should
   // not use the same functions as they shouldn't test as equal.
-  if(config.local.verbose) console.log("RubberGlove: Creating MimeTypeArray.prototype.item()");
+  if(settings.verbose) console.log("RubberGlove: Creating MimeTypeArray.prototype.item()");
   MimeTypeArray.prototype.item = function item(index) { // native(item)
     return this[arguments[0]];
   };
-  if(config.local.verbose) console.log("RubberGlove: Creating MimeTypeArray.prototype.namedItem()");
+  if(settings.verbose) console.log("RubberGlove: Creating MimeTypeArray.prototype.namedItem()");
   MimeTypeArray.prototype.namedItem = function namedItem(name) { // native(namedItem)
     return this[arguments[0]];
   };
-  if(config.local.verbose) console.log("RubberGlove: Replacing window.MimeTypeArray");
+  if(settings.verbose) console.log("RubberGlove: Replacing window.MimeTypeArray");
   Object.defineProperty(window, 'MimeTypeArray', {
     enumerable: false,
     configurable: false,
@@ -138,12 +142,12 @@ function bomOverload() {
     value: MimeTypeArray
   });
 
-  if(config.local.verbose) console.log("RubberGlove: Creating Navigator");
+  if(settings.verbose) console.log("RubberGlove: Creating Navigator");
   function Navigator() { // native(Navigator)
     if(window.navigator.constructor === Navigator)
       throw new TypeError("Illegal constructor");
 
-    if(config.local.verbose) console.log("RubberGlove: Creating Navigator instance");
+    if(settings.verbose) console.log("RubberGlove: Creating Navigator instance");
 
     var propertyNames = Object.getOwnPropertyNames(window.navigator);
     for(var propertyIndex = 0; propertyIndex < propertyNames.length; propertyIndex++) {
@@ -180,15 +184,17 @@ function bomOverload() {
       Object.defineProperty(this, propertyName, descriptor);
     }
   }
-  // Don't ask me why the real function has this...  It's not even a prototype.
-  Navigator.toString = function toString() { // native(toString)
-    return Function.prototype.toString.apply(this, Array.prototype.slice.apply(arguments));
-  };
-  if(config.local.verbose) console.log("RubberGlove: Replacing Navigator.prototype");
+  Object.defineProperty(Navigator, "toString", {
+    enumerable: true,
+    value: function toString() { // native(toString)
+      return "function Navigator() { [native code] }"; 
+    }
+  });
+  if(settings.verbose) console.log("RubberGlove: Replacing Navigator.prototype");
   for(var property in window.Navigator.prototype) {
     Navigator.prototype[property] = window.Navigator.prototype[property];
   }
-  if(config.local.verbose) console.log("RubberGlove: Replacing window.Navigator");
+  if(settings.verbose) console.log("RubberGlove: Replacing window.Navigator");
   Object.defineProperty(window, 'Navigator', {
     enumerable: false,
     configurable: false,
@@ -196,16 +202,16 @@ function bomOverload() {
     value: Navigator
   });
 
-  if(config.local.verbose) console.log("RubberGlove: Constructing Navigator");
+  if(settings.verbose) console.log("RubberGlove: Constructing Navigator");
   var navigatorProxy = new Navigator();
-  if(config.local.verbose) console.log("RubberGlove: Replacing window.navigator");
+  if(settings.verbose) console.log("RubberGlove: Replacing window.navigator");
   Object.defineProperty(window, 'navigator', {
     enumerable: true,
     configurable: false,
     writable: true,
     value: navigatorProxy
   });
-  if(config.local.verbose) console.log("RubberGlove: Replacing window.clientInformation");
+  if(settings.verbose) console.log("RubberGlove: Replacing window.clientInformation");
   Object.defineProperty(window, 'clientInformation', {
     enumerable: true,
     configurable: false,
@@ -215,7 +221,7 @@ function bomOverload() {
 
   // Hides source code when it contains "// native(functionName)" or
   // "/* native(functionName)" at the beginning of the function body.
-  if(config.local.verbose) console.log("RubberGlove: Replacing Function.prototype.toString()");
+  if(settings.verbose) console.log("RubberGlove: Replacing Function.prototype.toString()");
   Function.prototype.toString = (function(oldToString) {
     return function toString() { // native(toString) <-- yes, it handles itself
       var result = oldToString.apply(this, Array.prototype.slice.apply(arguments));
@@ -225,9 +231,9 @@ function bomOverload() {
       return result;
     };
   })(Function.prototype.toString);
-
+  
   // Hides named plugins and mimeTypes
-  if(config.local.verbose) console.log("RubberGlove: Replacing Object.getOwnPropertyNames()");
+  if(settings.verbose) console.log("RubberGlove: Replacing Object.getOwnPropertyNames()");
   Object.getOwnPropertyNames = (function(oldGetOwnPropertyNames) {
     return function getOwnPropertyNames() { // native(getOwnPropertyNames)
       var propertyNames = oldGetOwnPropertyNames.apply(this, Array.prototype.slice.apply(arguments));
@@ -246,7 +252,7 @@ function bomOverload() {
   })(Object.getOwnPropertyNames);
 
   // Makes our objects look like first class objects
-  if(config.local.verbose) console.log("RubberGlove: Replacing Object.prototype.toString()");
+  if(settings.verbose) console.log("RubberGlove: Replacing Object.prototype.toString()");
   Object.prototype.toString = (function(oldToString) {
     return function toString() { // native(toString)
       if(this === window.navigator) return "[object Navigator]";

js/injectScripts.js

@@ -1,4 +1,3 @@
-//console.log("RubberGlove: Content Script for " + window.location.href);
 function getConfig(filename) {
   var xhr = new XMLHttpRequest();
   xhr.open('GET', 'filesystem:' + chrome.extension.getURL('temporary/' + filename), false);
@@ -7,23 +6,69 @@ function getConfig(filename) {
   return;
 }
 
-var configText = getConfig("persistedSettings.js");
-console.log("RubberGlove: config = " + configText);
-var config = JSON.parse(configText);
+var settingsText = getConfig("persistedSettings.js");
+var settings = JSON.parse(settingsText);
 
-if(config.local.enabled) {
+if(settings.verbose) {
+  console.log("RubberGlove: Content Script for " + window.location.href);
+  console.log("RubberGlove: settings = " + settingsText);
+}
+
+// Listen for callbacks from the page script
+window.addEventListener("message", function(event) {
+  if(event.source != window) return;
+  if(event.data.type) {
+    switch(event.data.type) {
+      case "RubberGlove":
+        // Tell background.js to increment the badge counter
+        chrome.runtime.sendMessage({
+          type: "increment-counter",
+          url: window.location.href,
+          message: event.data.text
+        });
+        break;
+      case "RubberGlove_DebugInfoRequest":
+        console.log("RubberGlove: DebugInfoRequest from " + event.source.location.href);
+        if(event.source.location.href.indexOf("file:///") == 0) {
+          var debugInfo = {
+            settings: settings,
+            plugins: [],
+            mimeTypes: []
+          };
+          for(var i = 0; i < navigator.plugins.length; i++) {
+            var plugin = navigator.plugins[i];
+            if(typeof plugin.name != 'undefined')
+              debugInfo.plugins.push(plugin.name);
+          }
+          for(var i = 0; i < navigator.mimeTypes.length; i++) {
+            var mimeType = navigator.mimeTypes[i];
+            if(typeof mimeType.type != 'undefined')
+              debugInfo.mimeTypes.push(mimeType.type);
+          }
+          console.log("RubberGlove: Sending debug info to " + event.source.location.href);
+          window.postMessage({
+            type: 'RubberGlove_DebugInfo',
+            debugInfo: debugInfo
+          }, '*');
+        }
+        break;
+    }
+  }
+});
+  
+if(settings.enabled) {
   // Create the script to be injected
   var pageScript = document.createElement('script');
   pageScript.type = 'text/javascript';
   pageScript.async = false;
   pageScript.text = "(function() {\n" +
-                      "var config = " + configText + ";\n" +
+                      "var settings = " + settingsText + ";\n" +
                       "(" + bomOverload.toString() + ")();\n" +
                       "(" + scriptCleanupFunction.toString() + ")();\n" +
                     "})();";
 
-  // Locate the <head> or create a new one if there isn't one or it isn't at
-  // the top of the page.
+  // Locate the <head> or create a new one if there isn't one or it isn't
+  // at the top of the page.
   var html = document.documentElement
   var headTags = document.getElementsByTagName("head");
   var head = headTags.length > 0 ? head = headTags[0] : null;
@@ -33,22 +78,9 @@ if(config.local.enabled) {
     pageScript.id = "_RubberGlove_removeHead";
   }
 
-  // Listen for callbacks from the page script
-  window.addEventListener("message", function(event) {
-    if(event.source != window) return;
-    if(event.data.type && event.data.type == "RubberGlove") {
-      // Tell background.js to increment the badge counter
-      chrome.runtime.sendMessage({
-        type: "increment-counter",
-        url: window.location.href,
-        message: event.data.text
-      });
-    }
-  });
-
   // Insert our script into the page.  Note: This absolutely cannot under
-  // any circumstances happen in an async callback otherwise scripts on the
-  // page may run first and have access to the unwrapped objects.
+  // any circumstances happen in an async callback otherwise scripts on
+  // the page may run first and have access to the unwrapped objects.
   // Synchronous XHR requests before this seem to work fine, however.
   head.insertBefore(pageScript, head.firstChild);
 }

test.html

@@ -0,0 +1,213 @@
+<!DOCTYPE html>
+<html>
+<head>
+  <meta charset="utf-8">
+  <title>RubberGlove QUnit Tests</title>
+  <link rel="stylesheet" href="http://code.jquery.com/qunit/qunit-1.14.0.css">
+</head>
+<body>
+  <div id="qunit"></div>
+  <div id="qunit-fixture"></div>
+  <script src="http://code.jquery.com/qunit/qunit-1.14.0.js"></script>
+  <script>
+    QUnit.module("Messaging");
+    
+    QUnit.asyncTest("Get debugInfo from extension", function(assert) {
+      expect(1);
+
+      window.addEventListener("message", function(event) {
+        if(event.data.type && event.data.type == "RubberGlove_DebugInfo") {
+          window.debugInfo = event.data.debugInfo;
+          assert.ok(true, "Got response from extension:\n" + JSON.stringify(debugInfo, null, 2));
+          var li = document.getElementById(QUnit.config.current.id);
+          QUnit.done(function() { li.style.whiteSpace = "pre"; });
+          QUnit.start();
+        }
+      });
+      window.postMessage({type: 'RubberGlove_DebugInfoRequest'}, '*');
+      
+      window.setTimeout(function() {
+        if(!window.debugInfo) {
+          var debugInfo = {
+            settings: { enabled: false },
+            plugins: [],
+            mimeTypes: []
+          };
+          for(var i = 0; i < navigator.plugins.length; i++) {
+            var plugin = navigator.plugins[i];
+            if(typeof plugin.name != 'undefined')
+              debugInfo.plugins.push(plugin.name);
+          }
+          for(var i = 0; i < navigator.mimeTypes.length; i++) {
+            var mimeType = navigator.mimeTypes[i];
+            if(typeof mimeType.type != 'undefined')
+              debugInfo.mimeTypes.push(mimeType.type);
+          }
+          window.debugInfo = debugInfo;
+          assert.ok(false, "No response from extension.  Running remaining tests as if settings.enabled == false.");
+          QUnit.start();
+        }
+      }, 100);
+    });
+    
+    QUnit.module("Constructors");
+    
+    QUnit.test("Navigator", function(assert) {
+      assert.equal(typeof Navigator, "function", "Navigator is a Function.");
+      assert.throws(function() { new Navigator(); }, new TypeError("Illegal constructor"), "new Navigator() throws TypeError: Illegal constructor");
+      assert.equal(typeof Navigator.toString, "function", "Navigator.toString() exists");      
+      assert.equal(Navigator.toString(), "function Navigator() { [native code] }", "Navigator.toString() claims Navigator is native code.");
+      assert.equal(Function.prototype.toString.apply(Navigator), "function Navigator() { [native code] }", "Function.prototype.toString() claims Navigator is native code.");
+      assert.equal(Function.prototype.toString.apply(Navigator.toString), "function toString() { [native code] }", "Function.prototype.toString() claims Navigator.toString is native code.");
+    });
+    
+    QUnit.test("Navigator.prototype", function(assert) {
+      var functions = [
+        "javaEnabled",
+        "getStorageUpdates",
+        "vibrate",
+        "webkitGetGamepads",
+        "getGamepads",
+        "webkitGetUserMedia",
+        "registerProtocolHandler"
+      ];
+      for(var i=0; i < functions.length; i++) {
+        assert.ok(Navigator.prototype.hasOwnProperty(functions[i]), "Navigator.prototype." + functions[i] + " exists");
+        assert.equal(typeof Navigator.prototype[functions[i]], "function", "Navigator.prototype." + functions[i] + " is a Fucntion");
+        assert.equal(Navigator.prototype[functions[i]].toString(), "function " + functions[i] + "() { [native code] }", "Navigator.prototype." + functions[i] + " claims to be native code");   
+      }
+      assert.deepEqual(Object.keys(Navigator.prototype).sort(), functions.sort(), "Navigator.prototype has no other visible properties");
+    });
+    
+    QUnit.test("MimeTypeArray", function(assert) {
+      assert.equal(typeof MimeTypeArray, "function", "MimeTypeArray is a Function.");
+      assert.throws(function() { new MimeTypeArray(); }, new TypeError("Illegal constructor"), "new MimeTypeArray() throws TypeError: Illegal constructor");
+      assert.equal(typeof MimeTypeArray.toString, "function", "MimeTypeArray.toString() exists");
+      assert.equal(MimeTypeArray.toString(), "function MimeTypeArray() { [native code] }", "MimeTypeArray.toString() claims MimeTypeArray is native code.");
+      assert.equal(Function.prototype.toString.apply(MimeTypeArray), "function MimeTypeArray() { [native code] }", "Function.prototype.toString() claims MimeTypeArray is native code.");
+      assert.equal(Function.prototype.toString.apply(MimeTypeArray.toString), "function toString() { [native code] }", "Function.prototype.toString() claims MimeTypeArray.toString is native code.");      
+    });
+    
+    QUnit.test("MimeTypeArray.prototype", function(assert) {
+      var functions = [
+        "item",
+        "namedItem"
+      ];
+      for(var i=0; i < functions.length; i++) {
+        assert.ok(MimeTypeArray.prototype.hasOwnProperty(functions[i]), "MimeTypeArray.prototype." + functions[i] + " exists");
+        assert.equal(typeof MimeTypeArray.prototype[functions[i]], "function", "MimeTypeArray.prototype." + functions[i] + " is a Fucntion");
+        assert.equal(MimeTypeArray.prototype[functions[i]].toString(), "function " + functions[i] + "() { [native code] }", "MimeTypeArray.prototype." + functions[i] + " claims to be native code");   
+      }
+      assert.deepEqual(Object.keys(MimeTypeArray.prototype).sort(), functions.sort(), "MimeTypeArray.prototype has no other visible properties");
+    });
+    
+    QUnit.test("PluginArray", function(assert) {
+      assert.equal(typeof PluginArray, "function", "PluginArray is a Function.");
+      assert.throws(function() { new PluginArray(); }, new TypeError("Illegal constructor"), "new PluginArray() throws TypeError: Illegal constructor");
+      assert.equal(typeof PluginArray.toString, "function", "PluginArray.toString() exists");
+      assert.equal(PluginArray.toString(), "function PluginArray() { [native code] }", "PluginArray.toString() claims PluginArray is native code.");
+      assert.equal(Function.prototype.toString.apply(PluginArray), "function PluginArray() { [native code] }", "Function.prototype.toString() claims PluginArray is native code.");
+      assert.equal(Function.prototype.toString.apply(PluginArray.toString), "function toString() { [native code] }", "Function.prototype.toString() claims PluginArray.toString is native code.");      
+    });
+    
+    QUnit.test("PluginArray.prototype", function(assert) {
+      var functions = [
+        "item",
+        "namedItem",
+        "refresh"
+      ];
+      for(var i=0; i < functions.length; i++) {
+        assert.ok(PluginArray.prototype.hasOwnProperty(functions[i]), "PluginArray.prototype." + functions[i] + " exists");
+        assert.equal(typeof PluginArray.prototype[functions[i]], "function", "PluginArray.prototype." + functions[i] + " is a Fucntion");
+        assert.equal(PluginArray.prototype[functions[i]].toString(), "function " + functions[i] + "() { [native code] }", "PluginArray.prototype." + functions[i] + " claims to be native code");
+      }
+      assert.deepEqual(Object.keys(PluginArray.prototype).sort(), functions.sort(), "PluginArray.prototype has no other visible properties");
+    });
+    
+    QUnit.module("Objects");
+    
+    QUnit.test("window.navigator", function(assert) {
+      assert.equal(typeof navigator, "object", "navigator is an Object");
+      assert.deepEqual(navigator.constructor, Navigator, "navigator is an instance of Navigator");
+    });
+    
+    QUnit.test("window.navigator.plugins", function(assert) {
+      assert.equal(typeof navigator.plugins, "object", "plugins is an Object");
+      assert.deepEqual(navigator.plugins.constructor, PluginArray, "plugins is an instance of PluginArray");
+      assert.ok(navigator.plugins.hasOwnProperty("length"), "plugins has a length property");
+    });
+    
+    QUnit.test("window.navigator.mimeTypes", function(assert) {
+      assert.equal(typeof navigator.mimeTypes, "object", "mimeTypes is an Object");
+      assert.deepEqual(navigator.mimeTypes.constructor, MimeTypeArray, "mimeTypes is an instance of MimeTypeArray");
+      assert.ok(navigator.mimeTypes.hasOwnProperty("length"), "mimeTypes has a length property");    
+    });
+    
+    QUnit.module("Cloaking");
+      
+    QUnit.test("window.navigator.plugins", function(assert) {
+      var pluginWhiteList = debugInfo.settings.pluginWhiteList || [];
+      if(!debugInfo.settings.enabled) {
+        assert.ok(true, "Cloaking disabled");
+        pluginWhiteList = debugInfo.plugins;
+        var li = document.getElementById(QUnit.config.current.id);
+        QUnit.done(function() { li.style.background = "#FFFF99"; });
+      }
+      var whiteList = {};
+      var count = 0;
+      for(var i = 0; i < navigator.plugins.length; i++) {
+        var plugin = navigator.plugins[i];
+        if(pluginWhiteList.indexOf(plugin.name) >= 0) {
+          console.log("Adding " + plugin.name + " to whitelist");
+          whiteList[count++] = plugin;
+        }
+      }
+      whiteList.length = count;
+      
+      assert.equal(navigator.plugins.length, whiteList.length, "Has the expected length of " + whiteList.length);
+      assert.deepEqual(Object.keys(navigator.plugins), Object.keys(whiteList), "All plugins are in the white list.");
+    });
+    
+    QUnit.test("window.navigator.mimeTypes", function(assert) {
+      var pluginWhiteList = debugInfo.settings.pluginWhiteList || [];
+      if(!debugInfo.settings.enabled) {
+        assert.ok(true, "Cloaking disabled");
+        pluginWhiteList = debugInfo.plugins;
+        var li = document.getElementById(QUnit.config.current.id);
+        QUnit.done(function() { li.style.background = "#FFFF99"; });
+      }
+      var whiteList = {};
+      var count = 0;
+      for(var i = 0; i < navigator.plugins.length; i++) {
+        var plugin = navigator.plugins[i];
+        if(pluginWhiteList.indexOf(plugin.name) >= 0) {
+          for(var j = 0; j < plugin.length; j++) {
+            console.log("Adding " + plugin[j].type + " to whitelist");
+            whiteList[count++] = plugin[j];
+          }
+        }
+      }
+      whiteList.length = count;
+      
+      assert.equal(navigator.mimeTypes.length, whiteList.length, "Has the expected length of " + whiteList.length);
+      assert.deepEqual(Object.keys(navigator.mimeTypes), Object.keys(whiteList), "All mimeTypes are in the whitelist");
+    });
+    
+    QUnit.module("Probing");
+      
+    QUnit.test("window.navigator.plugins", function(assert) {
+      var plugins = debugInfo.plugins;
+      for(var i = 0; i < plugins.length; i++) {
+        assert.equal(typeof navigator.plugins[plugins[i]], 'object', "navigator.plugins['" + plugins[i] +"'] found");
+      }
+    });
+  
+    QUnit.test("window.navigator.mimeTypes", function(assert) {
+      var mimeTypes = debugInfo.mimeTypes;
+      for(var i = 0; i < mimeTypes.length; i++) {
+        assert.equal(typeof navigator.mimeTypes[mimeTypes[i]], 'object', "navigator.mimeTypes['" + mimeTypes[i] +"'] found");
+      }
+    });
+  </script>
+</body>
+</html>