46 lines
1.5 KiB
HTML
46 lines
1.5 KiB
HTML
<!DOCTYPE html>
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<body>
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script>
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var entriesExpectToReceive = [
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{
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'entryType': 'paint',
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'name': 'first-paint'
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},
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{
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'entryType': 'paint',
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'name': 'first-contentful-paint'
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}
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];
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setup({"hide_test_state": true});
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async_test(function (t) {
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assert_implements(window.PerformancePaintTiming, "Paint Timing isn't supported.");
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window.addEventListener('message', t.step_func(e => {
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// When only child frame paints, expect only first-paint.
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for (let i = 0; i < entriesExpectToReceive.length; i++) {
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if (entriesExpectToReceive[i].entryType == e.data.entryType &&
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entriesExpectToReceive[i].name == e.data.name) {
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entriesExpectToReceive.splice(i, 1);
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break;
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}
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}
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if (entriesExpectToReceive.length == 0) {
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const bufferedEntries = performance.getEntriesByType('paint');
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assert_equals(bufferedEntries.length, 1);
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assert_equals(bufferedEntries[0].entryType, 'paint');
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assert_equals(bufferedEntries[0].name, 'first-paint');
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t.done();
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}
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}));
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const iframe = document.createElement('iframe');
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iframe.id = 'child-iframe';
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iframe.src = '../resources/subframe-painting.html';
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document.body.appendChild(iframe);
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}, 'Parent frame ignores paint-timing events fired from child image rendering.');
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</script>
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</body>
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</html>
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