third_party/WebKit/LayoutTests/accessibility/loading-iframe-sends-notification.html

   1 <html>
   2 <head>
   3 <script src="../resources/js-test.js"></script>
   4 </head>
   5 <body>
   6
   7 <p>Before</p>
   8
   9 <iframe id="iframe" title="InnerFrame"></iframe>
  10
  11 <p>After</p>
  12
  13 <p>End of test</p>
  14
  15 <p id="description"></p>
  16 <div id="console"></div>
  17
  18 <script>
  19     description("This tests that when an iframe finishes loading, it sends a notification.");
  20
  21     if (window.testRunner)
  22         testRunner.waitUntilDone();
  23     else
  24         debug("This test requires window.accessibilityController and must be run in content_shell with --run-layout-test.")
  25
  26     window.jsTestIsAsync = true;
  27
  28     function runTest()
  29     {
  30         if (window.accessibilityController) {
  31             // Initially, the iframe should not be loaded, so we shouldn't be able to find this button.
  32             shouldBeUndefined("accessibilityController.accessibleElementById('innerbutton')");
  33
  34             window.accessibilityController.addNotificationListener(function (target, notification) {
  35                 if (!target.parentElement() || !target.parentElement().parentElement())
  36                     return;
  37
  38                 // Ignore this notification if it's not within the subtree of the iframe.
  39                 var frameTarget = target.parentElement().parentElement();
  40                 if (frameTarget.deprecatedDescription.indexOf("InnerFrame") == -1)
  41                     return;
  42
  43                 // Even still we'll get LayoutComplete notifications sooner than we want.
  44                 if (!accessibilityController.accessibleElementById('innerbutton'))
  45                     return;
  46
  47                 // Check that the button within the iframe is now reachable from the root.
  48                 shouldBeDefined("accessibilityController.accessibleElementById('innerbutton')");
  49                 if (window.accessibilityController)
  50                     accessibilityController.removeNotificationListener();
  51
  52                 finishJSTest();
  53             });
  54         }
  55
  56         // Load content into the iframe. This will trigger the event
  57         // handler above, which will check that the accessibility tree
  58         // was updated with new content.
  59         document.getElementById("iframe").src = "data:text/html,<body><button id='innerbutton'>InnerButton</button></body>";
  60     }
  61     window.addEventListener('load', runTest);
  62 </script>
  63
  64 </body>
  65 </html>