| <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN"> |
| <html> |
| <head> |
| <script src="../resources/testharness.js"></script> |
| <script src="../resources/testharnessreport.js"></script> |
| <script src="../resources/run-after-layout-and-paint.js"></script> |
| </head> |
| <body id="body"> |
| |
| <div> |
| <h1 id="heading">Steps</h1> |
| |
| <main id="main" tabindex=0> |
| test |
| <div class="step-one" aria-hidden="true"><span>Step 1: Do something</span></div> |
| <div class="step-two" aria-hidden="true"><span>Step 2: Do another thing</span></div> |
| <div class="step-three" aria-hidden="true"><span>Step 3: Do one last thing</span></div> |
| </main> |
| |
| </div> |
| |
| |
| <p id="description"></p> |
| <div id="console"></div> |
| |
| <script> |
| |
| function axElementById(id) { |
| return accessibilityController.accessibleElementById(id); |
| } |
| |
| test_after_layout_and_paint((t) => { |
| var main = axElementById("main"); |
| assert_equals(main.childrenCount, 1); |
| |
| var group = document.getElementsByTagName('main')[0]; |
| var items = group.getElementsByTagName('div'); |
| items[0].removeAttribute('aria-hidden'); |
| |
| assert_equals(main.childrenCount, 2, |
| "After removing aria-hidden, the new count should be 2."); |
| |
| // And most importantly... |
| assert_equals(main.childAtIndex(1).childrenCount, 1, |
| "The DIV that was made non-hidden should have one child now."); |
| }, "This tests that if aria-hidden changes on an element, all it's existing children will update their children caches"); |
| |
| </script> |
| |
| </body> |
| </html> |
