| <!DOCTYPE HTML> |
| <html> |
| <head> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="../resources/utils.js"></script> |
| </head> |
| <body> |
| |
| <div id="locked" rendersubtree="invisible"> |
| foo |
| <div id="child" tabindex="0"> |
| bar |
| </div> |
| </div> |
| |
| <script> |
| function axElementById(id) { |
| return accessibilityController.accessibleElementById(id); |
| } |
| |
| async_test(async(t) => { |
| const lockedEl = document.getElementById("locked"); |
| t.step(() => { assert_equals(lockedEl.renderSubtree, INVISIBLE_ACTIVATABLE) }); |
| let axLocked = axElementById("locked"); |
| t.step(() => { assert_equals(axLocked.childrenCount, 3, "Child count after acquire"); }); |
| axElementById("child").takeFocus(); |
| |
| t.step(() => { assert_equals(lockedEl.renderSubtree, "") }); |
| // Wait for the next frame for the ax object to be recreated. |
| requestAnimationFrame(() => { |
| requestAnimationFrame(() => { |
| axLocked = axElementById("locked"); |
| t.step(() => { assert_equals(axLocked.childrenCount, 2, "Child count after activation"); }); |
| t.done(); |
| }); |
| }); |
| }, "Accessiblility focus causes activatable locked tree to activate"); |
| |
| </script> |
