third_party/WebKit/LayoutTests/accessibility/aria-hidden-updates-alldescendants.html

   1 <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
   2 <html>
   3 <head>
   4 <script src="../resources/js-test.js"></script>
   5 </head>
   6 <body id="body">
   7
   8 <div>
   9         <h1 id="heading">Steps</h1>
  10
  11         <main id="main" tabindex=0>
  12          test
  13                 <div tabindex="-1" class="step-one" aria-hidden="true"><span>Step 1: Do something</span></div>
  14                 <div tabindex="-1" class="step-two" aria-hidden="true"><span>Step 2: Do another thing</span></div>
  15                 <div tabindex="-1" class="step-three" aria-hidden="true"><span>Step 3: Do one last thing</span></div>
  16         </main>
  17
  18 </div>
  19
  20
  21 <p id="description"></p>
  22 <div id="console"></div>
  23
  24 <script>
  25
  26     description("This tests that if aria-hidden changes on an element, all it's existing children will update their children caches");
  27
  28     if (window.accessibilityController) {
  29           document.getElementById("main").focus();
  30
  31           var main = accessibilityController.focusedElement;
  32           // Access the element so the children cache is generated.
  33           main.childAtIndex(0);
  34           main.childAtIndex(1);
  35           shouldBe("main.childrenCount", "1");
  36
  37           var group = document.getElementsByTagName('main')[0];
  38           var items = group.getElementsByTagName('div');
  39           items[0].removeAttribute('aria-hidden');
  40
  41           // After removing aria-hidden, the new count should be 2.
  42           shouldBe("main.childrenCount", "2");
  43
  44           // And most importantly, the DIV that was made non-hidden should have one child now.
  45           shouldBe("main.childAtIndex(1).childrenCount", "1");
  46     }
  47
  48 </script>
  49
  50 </body>
  51 </html>