| <!doctype html> |
| <title>CSS Scoping: Invalidation of style data while ShadowRoot is disconnected.</title> |
| <link rel="author" title="Emilio Cobos Álvarez" href="mailto:emilio@crisal.io"> |
| <link rel="author" title="Mozilla" href="https://mozilla.org"> |
| <link rel="help" href="https://drafts.csswg.org/css-scoping"> |
| <link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1612114"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <div id="host"></div> |
| <script> |
| let t = async_test("Invalidation of style data while ShadowRoot is disconnected."); |
| |
| let host = document.getElementById("host"); |
| host.attachShadow({ mode: "open" }).innerHTML = ` |
| <style> |
| div { color: red } |
| </style> |
| <div></div> |
| `; |
| assert_equals(getComputedStyle(host.shadowRoot.querySelector("div")).color, "rgb(255, 0, 0)"); |
| host.remove(); |
| host.shadowRoot.querySelector("style").remove(); |
| requestAnimationFrame(t.step_func(function() { |
| requestAnimationFrame(t.step_func_done(function() { |
| document.body.appendChild(host); |
| assert_not_equals(getComputedStyle(host.shadowRoot.querySelector("div")).color, "rgb(255, 0, 0)"); |
| })); |
| })); |
| </script> |
