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<!DOCTYPE HTML>
<title>Test that @font-face rules from different origins cascade correctly</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css">
<script>
let io = SpecialPowers.Cc["@mozilla.org/network/io-service;1"]
.getService(SpecialPowers.Ci.nsIIOService);
let utils = SpecialPowers.getDOMWindowUtils(window);
function load_sheet(sheet_text, level) {
if (level != "AGENT_SHEET" && level != "USER_SHEET" && level != "AUTHOR_SHEET") {
throw "unknown level";
}
let uri = io.newURI("data:text/css," + encodeURI(sheet_text));
utils.loadSheet(uri, utils[level]);
}
load_sheet(
"@font-face { font-family: TestAgent; src: url(about:invalid); }",
"AGENT_SHEET");
load_sheet(
"@font-face { font-family: TestAuthor; src: url(about:invalid); }",
"AUTHOR_SHEET");
load_sheet(
"@font-face { font-family: TestUser; src: url(about:invalid); }",
"USER_SHEET");
is([...document.fonts].map(f => f.family).join(" "),
'TestAuthor',
"document.fonts only contains author @font-face rules");
</script>