<!DOCTYPE HTML>
<script src="../resources/testharness.js"></script>
<script src="../resources/testharnessreport.js"></script>
<div class="container">
<ul id="future_parent" aria-owns="future_child"></ul>
</div>
<script>
test(function(t) {
const axFutureParent = accessibilityController.accessibleElementById("future_parent");
assert_equals(axFutureParent.childrenCount, 0);
const futureParent = document.getElementById("future_parent");
const child = document.createElement("li");
child.id = "future_child";
assert_equals(axFutureParent.childrenCount, 0, "before appending child");
futureParent.parentElement.appendChild(child);
assert_equals(axFutureParent.childrenCount, 1, "after appending child");
assert_array_equals(futureParent.ariaOwnsElements, [child]);
child.id = "";
assert_equals(axFutureParent.childrenCount, 0, "after clearing id");
assert_array_equals(futureParent.ariaOwnsElements, []);
child.id = "future_child";
assert_equals(axFutureParent.childrenCount, 1, "after setting id");
assert_array_equals(futureParent.ariaOwnsElements, [child]);
futureParent.setAttribute("aria-owns", "");
assert_equals(axFutureParent.childrenCount, 0, "after clearing aria-owns");
assert_array_equals(futureParent.ariaOwnsElements, []);
futureParent.setAttribute("aria-owns", "future_child");
assert_equals(axFutureParent.childrenCount, 1, "after setting aria-oens");
assert_array_equals(futureParent.ariaOwnsElements, [child]);
child.style.visibility = 'hidden';
assert_equals(axFutureParent.childrenCount, 1, "after setting hidden");
assert_true(axFutureParent.childAtIndex(0).isIgnored);
assert_array_equals(futureParent.ariaOwnsElements, [child]);
child.style.visibility = 'visible';
assert_equals(axFutureParent.childrenCount, 1, "after setting visible");
assert_array_equals(futureParent.ariaOwnsElements, [child]);
child.remove();
assert_equals(axFutureParent.childrenCount, 0);
assert_array_equals(futureParent.ariaOwnsElements, []);
}, "Aria-owns is dynamically recomputed.");
</script>
<div class="container">
<div id="explicitParent"></div>
</div>
<script>
test(function(t) {
const axParent = accessibilityController.accessibleElementById("explicitParent");
const child = document.createElement("li");
// Check element reflection before inserting into the DOM.
explicitParent.ariaOwnsElements = [child];
assert_array_equals(explicitParent.ariaOwnsElements, [], "Element is not reflected as was not in valid scope on insertion.");
assert_equals(explicitParent.getAttribute("aria-owns"), "", "Content attribute should be set to empty string due to invalid element.");
assert_equals(axParent.childrenCount, 0, "Accessible node should have no children.");
// Add the element into the DOM, and set the IDL attribute.
explicitParent.parentElement.appendChild(child);
explicitParent.ariaOwnsElements = [child];
assert_array_equals(explicitParent.ariaOwnsElements, [child], "Element reference is reflected, despite the element having no id");
assert_equals(explicitParent.getAttribute("aria-owns"), "", "Content attribute is empty string, as element has no id");
assert_equals(axParent.childrenCount, 1, "If explicitly set, even without an ID the node should be in the accessibility tree.");
child.id = "futureExplicitElement";
const axChild = accessibilityController.accessibleElementById("futureExplicitElement");
assert_array_equals(explicitParent.ariaOwnsElements, [child], "Element has the attr associated element now.");
assert_equals(explicitParent.getAttribute("aria-owns"), "", "Content attribute reflects an empty string because the id was missing at the time of setting.");
assert_equals(axParent.childrenCount, 1, "After inserting child into DOM and explicitly setting it.")
assert_equals(axParent.childAtIndex(0), axChild);
// Remove the explicitly set attr by removing the content attribute.
explicitParent.removeAttribute("aria-owns");
assert_equals(explicitParent.ariaOwnsElements, null, "Reflected elements should be null since content attribute was removed.");
assert_equals(axParent.childrenCount, 0, "Accessible node should have no children since content attribute was removed.");
// Set the content attribute.
explicitParent.setAttribute("aria-owns", "futureExplicitElement");
assert_equals(axParent.childrenCount, 1, "Accessible node should be updated to have child since content attribute was set");
assert_equals(axParent.childAtIndex(0), axChild);
}, "Explicitly set elements are reflected in the AXTree");
</script>
<div class="container">
<div id="source1" aria-owns="target1"></div>
<div id="target"></div>
</div>
<script>
test(function(t) {
const source1 = document.getElementById("source1");
const target = document.getElementById("target");
const axSource1 = accessibilityController.accessibleElementById("source1");
assert_equals(axSource1.childrenCount, 0);
target.id = "target1";
assert_equals(axSource1.childrenCount, 1);
target.id = "target";
assert_equals(axSource1.childrenCount, 0);
}, "Aria-owns is dynamically recomputed (2).");
</script>
<div class="container">
<div id="logical_parent" role="group" aria-owns="logical_1 logical_2 logical_3 logical_4">
<div id="logical_3">3</div>
<div id="logical_4">4</div>
<div id="logical_2">2</div>
<div id="logical_1">1</div>
</div>
</div>
<script>
test(function(t)
{
const axLogicalParent = accessibilityController.accessibleElementById("logical_parent");
assert_equals(axLogicalParent.childrenCount, 4);
assert_equals(axLogicalParent.childAtIndex(0).childAtIndex(0).name, "1");
assert_equals(axLogicalParent.childAtIndex(1).childAtIndex(0).name, "2");
assert_equals(axLogicalParent.childAtIndex(2).childAtIndex(0).name, "3");
assert_equals(axLogicalParent.childAtIndex(3).childAtIndex(0).name, "4");
document.getElementById("logical_parent").setAttribute(
"aria-owns",
"logical_2 logical_4 logical_1 logical_3");
assert_equals(axLogicalParent.childrenCount, 4);
assert_equals(axLogicalParent.childAtIndex(0).childAtIndex(0).name, "2");
assert_equals(axLogicalParent.childAtIndex(1).childAtIndex(0).name, "4");
// assert_equals(axLogicalParent.childAtIndex(2).childAtIndex(0).name, "1");
// assert_equals(axLogicalParent.childAtIndex(3).childAtIndex(0).name, "3");
}, "A parent can use aria-owns to reorder its children into a more logical AX ordering.");
</script>
<div class="container">
<div id="original_parent" role="group" aria-owns="kidnapping_target"></div>
<div id="kidnapping_target">Target</div>
<div id="kidnapping_parent" role="group"></div>
<div id="new_parent" role="group"></div>
</div>
<script>
test(function(t) {
const axOriginalParent = accessibilityController.accessibleElementById("original_parent");
const axKidnappingParent = accessibilityController.accessibleElementById("kidnapping_parent");
const axNewParent = accessibilityController.accessibleElementById("new_parent");
assert_equals(axOriginalParent.childrenCount, 1);
assert_equals(axOriginalParent.childAtIndex(0).childAtIndex(0).name, "Target");
// The child cannot be "kidnapped" while a valid aria-owns still exists.
kidnapping_parent.setAttribute("aria-owns", "kidnapping_target");
assert_equals(axKidnappingParent.childrenCount, 0);
assert_equals(axOriginalParent.childrenCount, 1);
assert_equals(axOriginalParent.childAtIndex(0).childAtIndex(0).name, "Target");
kidnapping_parent.removeAttribute("aria-owns");
// If the parentage is removed, the child can be owned by something else.
original_parent.removeAttribute("aria-owns");
// TODO(meredithl): investigate how to set this attribute before removing it from
// the original parent.
new_parent.setAttribute("aria-owns", "kidnapping_target");
assert_equals(axNewParent.childrenCount, 1);
assert_equals(axNewParent.childAtIndex(0).childAtIndex(0).name, "Target");
}, "An element can be reparented by aria-owns if the original relationship is removed");
</script>
p:146
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