blob: 339e52bb79cbd1fc20d1059993ae8ee3b0591b3f (
plain)
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
|
<!DOCTYPE html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<link rel="help" href="https://drafts.csswg.org/resize-observer/#calculate-depth-for-node">
<body>
<div id="host"></div>
<script>
let didSeeError = false;
window.onerror = (message, source, lineno, colno, error) => {
didSeeError = true;
}
async_test(t => {
let host = document.querySelector('#host');
let observer = new ResizeObserver(t.step_func(() => {
let root = host.attachShadow({mode:'open'});
let child = root.appendChild(document.createElement('div'));
new ResizeObserver(() => {}).observe(child);
requestAnimationFrame(t.step_func_done(() => { assert_false(didSeeError); }));
}));
observer.observe(host);
}, '"Calculate depth for node" algorithm with Shadow DOM');
</script>
</body>
|
