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<!DOCTYPE HTML>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=734861
-->
<meta charset="utf-8">
<title>Test for Bug 734861</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" href="/tests/SimpleTest/test.css"/>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=734861">Mozilla Bug 734861</a>
<div id="host"></div>
<script>
/** Test for Bug 734861 **/
const InspectorUtils = SpecialPowers.InspectorUtils;
add_task(async function() {
let sheet = new CSSStyleSheet();
await sheet.replace(`* { color: blue }`);
let host = document.querySelector("#host");
host.adoptedStyleSheets = [sheet, sheet];
document.adoptedStyleSheets.push(sheet);
let res = InspectorUtils.getAllStyleSheets(document);
let foundUA = false;
let adoptedCount = 0;
for (let s of InspectorUtils.getAllStyleSheets(document)) {
if (SpecialPowers.unwrap(s) == sheet) {
adoptedCount++;
}
if (s.href === "resource://gre-resources/ua.css") {
foundUA = true;
}
}
ok(foundUA, "UA sheet should be returned with all the other sheets.");
is(adoptedCount, 1, "Adopted stylesheet should show up once");
});
</script>
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