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<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8">
<title>Accessibility API: generic</title>
<link rel="stylesheet" type="text/css"
href="chrome://mochikit/content/tests/SimpleTest/test.css">
<script type="application/javascript"
src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
<script>
'use strict';
SimpleTest.waitForExplicitFinish();
const finish = SimpleTest.finish.bind(SimpleTest);
enablePref()
.then(createIframe)
.then(checkImplementation)
.catch(err => {
dump(`${err}: ${err.stack}`);
finish();
});
function enablePref() {
const ops = {
"set": [
[ "accessibility.AOM.enabled", true ],
],
};
return SpecialPowers.pushPrefEnv(ops);
}
// WebIDL conditional annotations for an interface are evaluated once per
// global, so we need to create an iframe to see the effects of calling
// enablePref().
function createIframe() {
return new Promise((resolve) => {
let iframe = document.createElement("iframe");
iframe.src = "about:blank";
iframe.onload = () => resolve(iframe.contentDocument);
document.body.appendChild(iframe);
});
}
// Check that the WebIDL is as expected.
function checkImplementation(ifrDoc) {
let anode = ifrDoc.accessibleNode;
ok(anode, "DOM document has accessible node");
is(anode.role, 'document', 'correct role of a document accessible node');
is(anode.DOMNode, ifrDoc, 'correct DOM Node of a document accessible node');
finish();
}
</script>
</head>
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