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