| <!DOCTYPE HTML> |
| <script src="../resources/testharness.js"></script> |
| <script src="../resources/testharnessreport.js"></script> |
| |
| <div id="container1"> |
| <ul id="future_parent" aria-owns="future_child"></ul> |
| </div> |
| |
| <script> |
| async_test(function(t) { |
| var axFutureParent = accessibilityController.accessibleElementById("future_parent"); |
| var testRunner = function*() { |
| assert_equals(axFutureParent.childrenCount, 0); |
| |
| var expected_notifications = new Set(); |
| expected_notifications.add("ChildrenChanged"); |
| expected_notifications.add("MarkDirty"); |
| |
| while (expected_notifications.size) { |
| var notification = yield; |
| expected_notifications.delete(notification); |
| } |
| |
| assert_equals(axFutureParent.childrenCount, 1); |
| }(); |
| testRunner.next(); |
| var listener = function(notification) { |
| if (testRunner.next(notification).done) { |
| axFutureParent.removeNotificationListener(listener); |
| t.done(); |
| } |
| }; |
| axFutureParent.addNotificationListener(listener); |
| var futureParent = document.getElementById("future_parent"); |
| var child = document.createElement("li"); |
| child.id = "future_child"; |
| futureParent.parentElement.appendChild(child); |
| }, "A children changed notification is fired when an aria-owned child gets added to the tree."); |
| </script> |
| |
| <div id="container2"> |
| <ul id="list1"> |
| </ul> |
| <ul id="list2"> |
| <li id="item1">Item 1</li> |
| </ul> |
| </div> |
| |
| <script> |
| async_test(function(t) { |
| window.setTimeout(t.step_func(() => { |
| assert_unreached("Did not receive all expected notifications"); |
| }), 500); |
| var axList1 = accessibilityController.accessibleElementById("list1"); |
| assert_equals(axList1.childrenCount, 0, "No children before setting aria-owns"); |
| var listener = t.step_func((notification) => { |
| assert_equals(notification, "ChildrenChanged"); |
| assert_equals(axList1.childrenCount, 1, "One child after setting aria-owns"); |
| |
| axList1.removeNotificationListener(listener); |
| t.done(); |
| }); |
| axList1.addNotificationListener(listener); |
| |
| var list1 = document.getElementById("list1"); |
| list1.setAttribute("aria-owns", "item1"); |
| }, "A children changed notification is fired when an aria-owned attribute is added to an element that causes it to reparent another element to become its child."); |
| </script> |
| |
| <div id="container3"> |
| <ul id="newlist1" aria-label="newlist1"> |
| </ul> |
| <ul id="newlist2" aria-label="newlist2"> |
| <li id="newitem1">New Item 1</li> |
| </ul> |
| </div> |
| |
| <script> |
| async_test((t) => { |
| window.setTimeout(t.step_func(() => { |
| assert_unreached("Did not receive all expected notifications"); |
| }), 500); |
| var axList1 = accessibilityController.accessibleElementById("newlist1"); |
| assert_equals(axList1.childrenCount, 0); |
| var axList2 = accessibilityController.accessibleElementById("newlist2"); |
| assert_equals(axList2.childrenCount, 1); |
| var listener = t.step_func((notification) => { |
| assert_equals(notification, "ChildrenChanged"); |
| assert_equals(axList2.childrenCount, 0); |
| assert_equals(axList1.childrenCount, 1); |
| |
| t.done(); |
| }); |
| axList2.addNotificationListener(listener); |
| |
| var list1 = document.getElementById("newlist1"); |
| list1.setAttribute("aria-owns", "newitem1"); |
| assert_equals(axList1.childrenCount, 1); |
| assert_equals(axList2.childrenCount, 0); |
| }, "A children changed notification is fired on the old parent when one of its children gets reparented to another element due to aria-owns."); |
| </script> |
