src/third_party/WebKit/LayoutTests/accessibility/deleting-iframe-destroys-axcache.html

   1 <html>
   2 <head>
   3 <script src="../resources/js-test.js"></script>
   4
   5   <script>
   6     if (window.testRunner)
   7         testRunner.waitUntilDone();
   8
   9     function buildAccessibilityTree(accessibilityObject, indent) {
  10         var str = "";
  11         for (var i = 0; i < indent; i++)
  12             str += "    ";
  13         str += accessibilityObject.role;
  14         str += " " + accessibilityObject.stringValue;
  15
  16         if (accessibilityObject.role == '')
  17             str += accessibilityObject.allAttributes();
  18
  19         str += "\n";
  20         document.getElementById("console").innerText += str;
  21
  22         if (accessibilityObject.stringValue.indexOf('End of test') >= 0)
  23             return false;
  24
  25         var count = accessibilityObject.childrenCount;
  26         for (var i = 0; i < count; ++i) {
  27             if (!buildAccessibilityTree(accessibilityObject.childAtIndex(i), indent + 1))
  28                 return false;
  29         }
  30
  31         return true;
  32     }
  33
  34     function runTest()
  35     {
  36         description("This tests that deleting an iframe doesn't cause the accessibility cache to be destroyed and recreated.");
  37
  38         if (window.accessibilityController) {
  39             window.root = accessibilityController.rootElement;
  40             window.body = root.childAtIndex(0);
  41             window.before = body.childAtIndex(0).childAtIndex(0);
  42             window.iframe = body.childAtIndex(1).childAtIndex(0);
  43             window.after = body.childAtIndex(2).childAtIndex(0);
  44
  45             window.frameBody = window.iframe.childAtIndex(0);
  46             window.frameBodyRole = window.frameBody.role;
  47             window.frameGroup = window.frameBody.childAtIndex(0);
  48             window.frameGroupRole = window.frameGroup.role;
  49             window.frameButton = window.frameGroup.childAtIndex(0);
  50             window.frameButtonRole = window.frameButton.role;
  51
  52             document.getElementById("console").innerText += "\nBefore:\n";
  53             buildAccessibilityTree(root, 0);
  54
  55             // Remove the iframe.
  56             document.body.removeChild(document.getElementById("iframe"));
  57
  58             // Force layout now so that the childAtIndex calls below
  59             // reflect the new render tree.
  60             document.body.offsetTop;
  61
  62             window.newRoot = accessibilityController.rootElement;
  63             window.newBody = newRoot.childAtIndex(0);
  64             window.newBefore = newBody.childAtIndex(0).childAtIndex(0);
  65             window.newAfter = newBody.childAtIndex(1).childAtIndex(0);
  66
  67             document.getElementById("console").innerText += "\nAfter:\n";
  68             buildAccessibilityTree(newRoot, 0);
  69             document.getElementById("console").innerText += "\n";
  70
  71             // Make sure that the accessibility objects from the iframe's nodes
  72             // are now invalid by checking that their role is changed - this
  73             // is because they've been deleted.
  74             shouldBeFalse("frameBodyRole == frameBody.role");
  75             shouldBeFalse("frameGroupRole == frameGroup.role");
  76             shouldBeFalse("frameButtonRole == frameButton.role");
  77
  78             // Make sure that the other nodes are unchanged.
  79             shouldBeTrue("body.isEqual(newBody)");
  80             shouldBeTrue("before.isEqual(newBefore)");
  81             shouldBeTrue("after.isEqual(newAfter)");
  82         }
  83
  84         debug('<br /><span class="pass">TEST COMPLETE</span>');
  85         if (window.testRunner)
  86             testRunner.notifyDone();
  87     }
  88
  89     window.addEventListener('load', function() {
  90         setTimeout(runTest, 10);
  91     }, false);
  92
  93   </script>
  94 </head>
  95 <body>
  96
  97 <p>Before</p>
  98
  99 <iframe id="iframe" src="data:text/html,<body><button>Click me</button></body>"></iframe>
 100
 101 <p>After</p>
 102
 103 <p>End of test</p>
 104
 105 <p id="description"></p>
 106 <div id="console"></div>
 107
 108 </body>
 109 </html>