blob: 049f0f18f1be64ad5d250f045b0dda3edbc931a4 (
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
27
28
29
30
31
|
// META: script=/resources/WebIDLParser.js
// META: script=/resources/idlharness.js
'use strict';
// https://w3c.github.io/paint-timing/
idl_test(
['paint-timing'],
['performance-timeline'],
(idl_array, t) => {
idl_array.add_objects({
PerformancePaintTiming: ['paintTiming'],
});
const awaitPaint = new Promise(resolve => {
let observer = new PerformanceObserver(list => {
self.paintTiming = list.getEntries()[0];
resolve();
});
observer.observe({ entryTypes: ['paint'] });
const div = document.createElement('div');
div.innerHTML = 'Hello World';
document.body.appendChild(div);
});
const timeout = new Promise((_, reject) => {
t.step_timeout(() => reject('Timed out waiting for paint event'), 3000);
});
return Promise.race([awaitPaint, timeout]);
}
);
|