| <!doctype html> |
| <meta charset="utf-8"> |
| <title>CSSOM: Test that rules with invalid pseudo elements are not found</title> |
| <link rel="help" href="https://drafts.csswg.org/cssom/"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <style> |
| ::part {} |
| ::slotted {} |
| ::highlight {} |
| </style> |
| <script> |
| test(() => { |
| assert_equals(document.styleSheets[0].cssRules[0]?.selectorText, undefined, "No associated selectorText"); |
| assert_equals(document.styleSheets[0].cssRules[0], undefined, "No invalid pseudo element rule should be found"); |
| }); |
| </script> |
