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Add tentative WPT for flat ARIA tree accessibility subtree #60503

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Add tentative WPT for flat ARIA tree accessibility subtree #60503

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5bb7587
Add initial implementation of tree structure with accessibility verif…
HaTheo Jun 8, 2026
090cc50
Merge branch 'master' into HaTheo/AriaTreeItems
HaTheo Jun 9, 2026
804f776
adding aria-posinset and aria-setsize per requirement.
HaTheo Jun 9, 2026
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42 changes: 42 additions & 0 deletions wai-aria/subtree/treeitems.tentative.html
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<!doctype html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-vendor.js"></script>
<script src="/resources/testdriver-actions.js"></script>
<script src="/wai-aria/scripts/aria-utils.js"></script>

<div id="tree" role="tree">
<div role="treeitem" aria-level="1" aria-posinset="1" aria-setsize="2">Fruits</div>
<div role="treeitem" aria-level="2" aria-posinset="1" aria-setsize="3">Apples</div>
<div role="treeitem" aria-level="2" aria-posinset="2" aria-setsize="3">Pears</div>
<div role="treeitem" aria-level="2" aria-posinset="3" aria-setsize="3">Oranges</div>
<div role="treeitem" aria-level="1" aria-posinset="2" aria-setsize="2">Vegetables</div>
<div role="treeitem" aria-level="2" aria-posinset="1" aria-setsize="3">Carrots</div>
<div role="treeitem" aria-level="2" aria-posinset="2" aria-setsize="3">Broccoli</div>
<div role="treeitem" aria-level="2" aria-posinset="3" aria-setsize="3">Spinach</div>
</div>

<script>

AriaUtils.verifyAccessibilitySubtree("#tree", {

@cookiecrook cookiecrook Jun 25, 2026

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I suggest adding another subtest (or multiple) that performs some baseline tests more likely to pass, such as a single level of tree items without reordered positions and levels.

@cookiecrook cookiecrook Jun 25, 2026

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Something that passes in Gecko today, and is expected to pass in Chromium and WebKit once the new interface is implemented.

role: "tree",
children: [
{ role: "treeitem", label: "Fruits", level: 1,
children: [
{ role: "treeitem", label: "Apples", level: 2, children: [] },
{ role: "treeitem", label: "Pears", level: 2, children: [] },
{ role: "treeitem", label: "Oranges", level: 2, children: [] },
],
},
{ role: "treeitem", label: "Vegetables", level: 1,
children: [
{ role: "treeitem", label: "Carrots", level: 2, children: [] },
{ role: "treeitem", label: "Broccoli", level: 2, children: [] },
{ role: "treeitem", label: "Spinach", level: 2, children: [] },
],
},
],
});

</script>
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