File: css-scoping-shadow-dynamic-remove-style-detached.html

package info (click to toggle)
thunderbird 1%3A128.14.0esr-1~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 4,334,824 kB
  • sloc: cpp: 7,391,917; javascript: 5,617,271; ansic: 3,833,216; python: 1,230,742; xml: 619,690; asm: 456,022; java: 179,892; sh: 118,796; makefile: 21,908; perl: 14,825; objc: 12,399; yacc: 4,583; pascal: 2,973; lex: 1,720; ruby: 1,190; exp: 762; sql: 674; awk: 580; php: 436; lisp: 430; sed: 70; csh: 10
file content (29 lines) | stat: -rw-r--r-- 1,188 bytes parent folder | download | duplicates (26) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
 
<!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>