mozilla-central/dom/base/test/test_focus_design_mode.html (file symbol)

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Test Info:

<!DOCTYPE HTML>
<html>
<!--
-->
<head>
<title>Test for Bug 1690747</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<script src="/tests/SimpleTest/EventUtils.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<p id="display"></p>
<div id='content'>
</div>
<pre id="test">
<script type="application/javascript">
/** Test for Bug 1690747 **/
let iframe = document.querySelector("iframe");
function waitForEvent(target, event, checkFn) {
return new Promise(resolve => {
target.addEventListener(event, e => {
if (checkFn && !checkFn(e)) {
return;
}
resolve();
}, { once: true });
});
}
async function getLog() {
let log = "";
SimpleTest.executeSoon(function() {
iframe.contentWindow.postMessage("getlog", "*");
});
await waitForEvent(window, "message", (e) => {
log = e.data;
return true;
});
return log;
}
add_setup(async function() {
await SpecialPowers.pushPrefEnv({ set: [["dom.disable_window_flip", true]] });
});
add_task(async function activeElementAfterBluring() {
iframe.contentWindow.postMessage("focus", "*");
is(await getLog(), "innerlog:windowfocus,activeElement:HTML,", "check activeElement");
iframe.contentWindow.blur();
is(await getLog(), "innerlog:windowfocus,activeElement:HTML,activeElement:HTML,", "check activeElement after bluring");
});
</script>
</pre>
</body>
</html>