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

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