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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /paint-timing/idlharness.window.html - WPT Dashboard Interop Dashboard
// META: script=/resources/WebIDLParser.js
// META: script=/resources/idlharness.js
'use strict';
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]);
}
);