[go: nahoru, domu]

blob: 9c98ea92a018033d3506964ec47c7027dfc31fda [file] [log] [blame]
<!DOCTYPE HTML>
<script src="../resources/gc.js"></script>
<script src="../resources/testharness.js"></script>
<script src="../resources/testharnessreport.js"></script>
<!--
Accessibility Object Model
Explainer: https://github.com/WICG/aom/blob/gh-pages/explainer.md
Spec: https://wicg.github.io/aom/spec/
-->
<div role="listbox" id="listbox" aria-label="container">
<div role="option" id="option1">Option 1</div>
<div role="option" id="option2">Option 2</div>
<div role="option" id="option3">Option 3</div>
</div>
<script>
test(function(t) {
assert_true(internals.runtimeFlags.accessibilityObjectModelEnabled);
}, "Make sure that Accessibility Object Model is enabled");
promise_test(async function(test) {
var child_element = document.getElementById("option1");
var parent_element = document.getElementById("listbox");
var requestedChildNode = await window.getComputedAccessibleNode(child_element);
var requestedParentNode = await window.getComputedAccessibleNode(parent_element);
var computedParent = requestedChildNode.parent;
assert_false(computedParent === null);
assert_true(computedParent === requestedParentNode);
assert_equals(computedParent.name, "container");
// TODO(meredith): Investigate test case for non-existent parent.
}, "ComputedAccessibleNode.parent.");
promise_test(async function(test) {
var parent_element = document.getElementById("listbox");
var requestedParentNode = await window.getComputedAccessibleNode(parent_element);
var child_element = document.getElementById("option1");
var requestedChildNode = await window.getComputedAccessibleNode(child_element);
var computedChild = requestedParentNode.firstChild;
assert_false(computedChild === null);
assert_equals(computedChild.name, "Option 1");
assert_equals(computedChild, requestedChildNode);
// Check that the option's first child is a text node of same name.
assert_false(computedChild.firstChild === null);
assert_equals(computedChild.firstChild.name, "Option 1");
// Check that a call to non-existent child is null
assert_equals(computedChild.firstChild.firstChild, null);
}, "ComputedAccessibleNode.firstChild.");
promise_test(async function(test) {
var parent_element = document.getElementById("listbox");
var requestedParentNode = await window.getComputedAccessibleNode(parent_element);
var child_element = document.getElementById("option3");
var requestedChildNode = await window.getComputedAccessibleNode(child_element);
var computedChild = requestedParentNode.lastChild;
assert_equals(computedChild, requestedChildNode);
assert_false(computedChild === null);
assert_equals(computedChild.name, "Option 3");
// Check that the option's first child is a text node of same name.
assert_false(computedChild.firstChild === null);
assert_equals(computedChild.firstChild.name, "Option 3");
// Check that a call to non-existent child is null
assert_equals(computedChild.firstChild.firstChild, null);
}, "ComputedAccessibleNode.lastChild.");
promise_test(async function(test) {
var middleChild = document.getElementById("option2");
var requestedMiddleChildNode = await window.getComputedAccessibleNode(middleChild);
var firstBorn = document.getElementById("option1");
var requestedFirstBorn = await window.getComputedAccessibleNode(firstBorn)
var computedSibling = requestedMiddleChildNode.previousSibling;
assert_false(computedSibling === null);
assert_true(computedSibling === requestedFirstBorn);
assert_equals(computedSibling.name, "Option 1");
// Check that a call to non-existent sibling is null.
assert_equals(computedSibling.previousSibling, null);
}, "ComputedAccessibleNode.previousSibling");
promise_test(async function(test) {
var middleChild = document.getElementById("option2");
var requestedMiddleChildNode = await window.getComputedAccessibleNode(middleChild);
var youngestChild = document.getElementById("option3");
var requestedYoungestNode = await window.getComputedAccessibleNode(youngestChild)
var computedSibling = requestedMiddleChildNode.nextSibling;
assert_false(computedSibling === null);
assert_true(computedSibling === requestedYoungestNode);
assert_equals(computedSibling.name, "Option 3");
// Check that a call to non-existent sibling is null.
assert_equals(computedSibling.nextSibling, null);
}, "ComputedAccessibleNode.nextSibling");
</script>