Revision fced01876b48e034b64d9dad6de14d1bdeba3cc0 authored by Daniel Cheng on 12 April 2018, 12:08:45 UTC, committed by Chromium WPT Sync on 12 April 2018, 12:08:45 UTC
Change-Id: I1e66f2cdc50be889b697b54401be6352607fa649 Reviewed-on: https://chromium-review.googlesource.com/1006528 Commit-Queue: Daniel Cheng <dcheng@chromium.org> Reviewed-by: Kent Tamura <tkent@chromium.org> Reviewed-by: Kentaro Hara <haraken@chromium.org> Reviewed-by: Yuki Shiino <yukishiino@chromium.org> Cr-Commit-Position: refs/heads/master@{#550152}
1 parent 19a42b9
longtask-in-raf.html
<!DOCTYPE HTML>
<meta charset=utf-8>
<title>LongTask Timing: long task in rAF</title>
<body>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="resources/raflongtask.js"></script>
<h1>Long Task: requestAnimationFrame</h1>
<div id="log"></div>
<script>
async_test(function (t) {
const observer = new PerformanceObserver(
t.step_func(function (entryList) {
const entries = entryList.getEntries();
assert_equals(entries.length, 1,
'Exactly one entry is expected.');
const longtask = entries[0];
assert_equals(longtask.entryType, 'longtask');
assert_equals(longtask.name, 'self');
assert_greater_than(longtask.duration, 50);
// Assert the TaskAttributionTiming entry in attribution.
assert_equals(longtask.attribution.length, 1,
'Exactly one attribution entry is expected');
const attribution = longtask.attribution[0];
assert_equals(attribution.entryType, 'taskattribution');
assert_equals(attribution.name, 'script');
assert_equals(attribution.duration, 0);
assert_equals(attribution.startTime, 0);
assert_equals(attribution.containerId, '');
assert_equals(attribution.containerName, '');
assert_equals(attribution.containerSrc, '');
observer.disconnect();
t.done();
})
);
observer.observe({entryTypes: ['longtask']});
}, 'Performance longtask entries are observable.');
</script>
</body>
![swh spinner](/static/img/swh-spinner.gif)
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