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<!doctype html>
<title>CSS Test: @font-face from document applies to :host::before/::after.</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<link rel="author" title="Alan Stearns" href="mailto:stearns@adobe.com">
<link rel="help" href="https://drafts.csswg.org/css-scoping/#shadow-names">
<style>
@font-face {
font-family: ff-16-wide;
src: url(/fonts/Ahem.ttf);
}
#host {
float: left;
}
</style>
<div id="host"></div>
<script>
promise_test(async function() {
host.attachShadow({ mode: "open" }).innerHTML = `
<style>
:host::before, :host::after {
font-family: ff-16-wide;
content: "12345"
}
</style>
<slot></slot>
`;
await document.fonts.ready;
//shrinkwrapped size for a default font will be a bit more than 80-90
//if the font is applied, it will be a bit more than 160
assert_greater_than(document.getElementById('host').offsetWidth, 160);
}, "@font-face from document applies to to :host::before/::after.");
</script>
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