LibWeb: Throw on deleting CSS @namespace rule in disallowed conditions

Fixes one(!) WPT test :^)
This commit is contained in:
Andreas Kling 2025-04-24 11:07:54 +02:00 committed by Andreas Kling
commit 2f76b24b89
Notes: github-actions[bot] 2025-04-24 16:28:42 +00:00
3 changed files with 29 additions and 1 deletions

View file

@ -0,0 +1,16 @@
<!DOCTYPE html>
<title>Deleting a @namespace rule when list contains anything other than @import or @namespace rules should throw InvalidStateError.</title>
<link rel="help" href="https://drafts.csswg.org/cssom-1/#remove-a-css-rule">
<script src="../../resources/testharness.js"></script>
<script src="../../resources/testharnessreport.js"></script>
<style>
@namespace a url();
</style>
<script>
test(function () {
let styleSheet = document.styleSheets[0];
styleSheet.cssRules[0];
styleSheet.insertRule(`b {}`, 1);
assert_throws_dom("InvalidStateError", () => styleSheet.deleteRule(0));
}, "Deleting a @namespace rule when list contains anything other than @import or @namespace rules should throw InvalidStateError.");
</script>