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<!DOCTYPE html>
<html class="reftest-wait">
<title>Test for no-font-display-late-swap document policy behavior</title>
<link rel="help" href="https://github.com/w3c/webappsec-feature-policy/blob/master/policies/font-display-late-swap.md">
<link rel="match" href="override-to-optional.tentative-ref.html">
<style>
</style>
<p>Tests if font-display is set to optional for each option except for when it is set to fallback</p>
<table id="container">
<tr>
<th>not-set</th>
<th>auto</th>
<th>block</th>
<th>swap</th>
<th>fallback</th>
<th>optional</th>
</tr>
</table>
<script>
const fontDisplayValues = ['', 'auto', 'block', 'swap', 'fallback', 'optional'];
const table = document.getElementById('container');
function makeFontFaceDeclaration(family, display) {
url = '/fonts/Ahem.ttf?pipe=trickle(d1)'; // Before the swap period is over
return '@font-face { font-family: ' + family + '; src: url("' + url + '"); font-display: ' + display + '; }';
}
window.onload = () => {
let tr = document.createElement('tr');
for (let display of fontDisplayValues) {
const family = display + '-face';
const rule = makeFontFaceDeclaration(family, display);
document.styleSheets[0].insertRule(rule, 0);
let td = document.createElement('td');
td.textContent = 'a';
td.style.fontFamily = family + ', Arial';
tr.appendChild(td);
}
table.appendChild(tr);
const timeoutMilliSec = 1500; // After the font is loaded
setTimeout(() => {
document.documentElement.classList.remove("reftest-wait");
}, timeoutMilliSec);
}
</script>
</html>
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