| <!DOCTYPE html> | |
| <title>CSS Scoping: :host(:host)</title> | |
| <link rel="help" href="https://drafts.csswg.org/css-shadow/#host-selector"> | |
| <script src="/resources/testharness.js"></script> | |
| <script src="/resources/testharnessreport.js"></script> | |
| <div id="host"> | |
| <template shadowrootmode="open"> | |
| <style> | |
| /* Should not match */ | |
| :host(:host) { | |
| --x:FAIL; | |
| } | |
| </style> | |
| </template> | |
| </div> | |
| <script> | |
| test(() => { | |
| assert_equals(getComputedStyle(host).getPropertyValue('--x'), ''); | |
| }); | |
| </script> |