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<!DOCTYPE html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="resources/test-helpers.sub.js"></script>
<script>
const timingEventOrder = [
'startTime',
'workerStart',
'fetchStart',
'requestStart',
'responseStart',
'responseEnd',
];
function navigate_in_frame(frame, url) {
frame.contentWindow.location = url;
return new Promise((resolve) => {
frame.addEventListener('load', () => {
const timing = frame.contentWindow.performance.getEntriesByType('navigation')[0];
const {timeOrigin} = frame.contentWindow.performance;
resolve({
workerStart: timing.workerStart + timeOrigin,
fetchStart: timing.fetchStart + timeOrigin
})
});
});
}
const worker_url = 'resources/navigation-timing-worker-extended.js';
promise_test(async (t) => {
const scope = 'resources/timings/dummy.html';
const registration = await service_worker_unregister_and_register(t, worker_url, scope);
t.add_cleanup(() => registration.unregister());
await wait_for_state(t, registration.installing, 'activating');
const frame = await with_iframe('resources/empty.html');
t.add_cleanup(() => frame.remove());
const [timingFromEntry, timingFromWorker] = await Promise.all([
navigate_in_frame(frame, scope),
new Promise(resolve => {
window.addEventListener('message', m => {
resolve(m.data)
})
})])
assert_greater_than(timingFromWorker.activateWorkerEnd, timingFromEntry.workerStart,
'workerStart marking should not wait for worker activation to finish');
assert_greater_than(timingFromEntry.fetchStart, timingFromWorker.activateWorkerEnd,
'fetchStart should be marked once the worker is activated');
assert_greater_than(timingFromWorker.handleFetchEvent, timingFromEntry.fetchStart,
'fetchStart should be marked before the Fetch event handler is called');
}, 'Service worker controlled navigation timing');
</script>
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