| <!DOCTYPE html> |
| <meta charset="utf-8"> |
| <title>Basic @supports rule parsing</title> |
| <link rel="help" href="https://drafts.csswg.org/css-conditional-3/#at-supports"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <!-- Regression test for https://github.com/jsdom/jsdom/issues/2026 --> |
| |
| <style> |
| @supports (text-decoration-style: solid) { |
| ul.toc a:hover, ul.toc a:focus { |
| } |
| } |
| </style> |
| |
| <script> |
| "use strict"; |
| |
| test(() => { |
| assert_equals(document.styleSheets.length, 1, "Stylesheet should be parsed"); |
| assert_equals(document.styleSheets[0].cssRules.length, 1, "Stylesheet should have one rule"); |
| |
| const rule = document.styleSheets[0].cssRules[0]; |
| assert_equals(rule.constructor.name, "CSSSupportsRule"); |
| assert_equals(rule.conditionText, "(text-decoration-style: solid)"); |
| }, "@supports rule should parse correctly"); |
| </script> |
