| <!doctype html> |
| <meta charset="utf-8"> |
| <title>CSS Pseudo-Elements Test: Universal ::selection in Shadow DOM</title> |
| <link rel="help" href="https://drafts.csswg.org/css-pseudo/#highlight-selectors"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <style> |
| ::selection { |
| background-color: pink; |
| color: red; |
| } |
| </style> |
| <div id="host"></div> |
| <script> |
| const root = host.attachShadow({mode:"open"}); |
| root.innerHTML = ` |
| <style> |
| ::selection { |
| background-color: green; |
| color: lime; |
| } |
| </style> |
| <div id="target"></div> |
| `; |
| test(() => { |
| const style = getComputedStyle(root.querySelector("#target"), "::selection"); |
| assert_equals(style.backgroundColor, "rgb(0, 128, 0)", "Background color is green."); |
| assert_equals(style.color, "rgb(0, 255, 0)", "Color is lime."); |
| }, "getComputedStyle() for #target ::selection"); |
| </script> |
