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firefox/testing/web-platform/tests/css/cssom/CSSStyleSheet-constructable-insertRule-base-uri.html
T
Emilio Cobos Álvarez 41f597d3c0 Bug 1880718 - Make sure that constructable stylesheets has the right url data after construction. r=dshin
ReplaceSync did this, but if you don't call Replace() / ReplaceSync()
after construction we end up with the Servo_StyleSheet_Empty which has a
dummy URL data.

Differential Revision: https://phabricator.services.mozilla.com/D204603
2024-03-15 15:47:21 +00:00

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HTML

<!doctype html>
<meta charset="utf-8">
<title>CSSStyleSheet.insertRule() on a constructable stylesheet uses the right base uri, even if replace/Sync() hasn't been called yet</title>
<link rel="author" href="https://mozilla.org" title="Mozilla">
<link rel="author" href="mailto:[email protected]" title="Emilio Cobos Álvarez">
<link rel="help" href="https://drafts.csswg.org/cssom/">
<link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1880718">
<link rel="match" href="CSSStyleSheet-constructable-insertRule-base-uri-ref.html">
<script>
const sheet = new CSSStyleSheet();
sheet.insertRule(`
:root {
background-image: url("../../images/green.png");
}
`);
document.adoptedStyleSheets.push(sheet);
</script>