| <!DOCTYPE html> |
| <meta charset="utf-8"> |
| <title>CSSOM: getComputedStyle() returns empty declarations for Shadow DOM pseudo-elements</title> |
| <link rel="help" href="https://drafts.csswg.org/cssom/#dom-window-getcomputedstyle"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <link rel="help" href="https://drafts.csswg.org/cssom/#dom-window-getcomputedstyle"> |
| |
| <div id="test"></div> |
| |
| <script> |
| "use strict"; |
| |
| for (const pseudo of ["::part(foo)", "::slotted(foo)"]) { |
| test(() => { |
| assert_equals(getComputedStyle(document.getElementById("test"), pseudo).length, 0); |
| }, `getComputedStyle() returns an empty declaration for ${pseudo}`); |
| } |
| </script> |
