| <!doctype html> |
| <meta charset="utf-8"> |
| <title>CSSStyleSheet.replace/replaceSync() doesn't change cssRules object</title> |
| <link rel="author" href="mailto:emilio@crisal.io" title="Emilio Cobos Álvarez"> |
| <link rel="author" href="https://mozilla.org" title="Mozilla"> |
| <link rel="help" href="https://drafts.csswg.org/cssom/#extensions-to-the-document-or-shadow-root-interface"> |
| <link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1752392"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <span>Should be green</span> |
| <script> |
| promise_test(async function() { |
| const sheet = new CSSStyleSheet(); |
| let rules = sheet.cssRules; |
| sheet.replaceSync('span {color:blue;}'); |
| assert_equals(rules, sheet.cssRules, "Rules should be the same after replaceSync"); |
| await sheet.replace('span {color: lime;}'); |
| assert_equals(rules, sheet.cssRules, "Rules should be the same after replace()"); |
| document.adoptedStyleSheets = [sheet]; |
| assert_equals(getComputedStyle(document.querySelector("span")).color, "rgb(0, 255, 0)", "Sheet should apply"); |
| }, "cssRules doesn't change on replace / replaceSync"); |
| </script> |