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<!DOCTYPE html>
<meta charset="utf-8">
<title>Service Worker Navigation Timing</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="resources/test-helpers.sub.js"></script>
<body>
<script>
promise_test(async t => {
var script = 'resources/pass-through-worker.js';
var scope = 'resources/blank.html';
const registration = await service_worker_unregister_and_register(t, script, scope);
t.add_cleanup(() => registration.unregister());
await wait_for_state(t, registration.installing, 'activated');
const iframe = await with_iframe(scope);
// Sanity, to check that we actually loaded the document.
assert_equals(iframe.contentWindow.document.title, "Empty doc");
t.add_cleanup(() => iframe.remove());
const navigationEntry = iframe.contentWindow.performance.getEntriesByType("navigation")[0];
const main_page_resource_timing = performance.getEntriesByType("resource").filter(
e => e.name.includes('blank'))[0];
assert_greater_than(navigationEntry.encodedBodySize, 0,
'Navigation timing should have encodedBodySize larger than 0.');
assert_equals(navigationEntry.decodedBodySize, navigationEntry.encodedBodySize,
'Navigation timing\'s decodedBodySize and encodedBodySize should be equal.');
assert_greater_than(main_page_resource_timing.encodedBodySize, 0,
'Corresponding resource timing emitted on parent page should have decodedBodySize larger than 0.');
assert_equals(main_page_resource_timing.encodedBodySize, main_page_resource_timing.decodedBodySize,
'Corresponding resource timing emitted on parent page should have equal\
decodedBodySize and encodedBodySize.');
}, 'Body sizes in a regular pass-through');
promise_test(async t => {
var script = 'resources/pass-through-worker.js';
var scope = 'resources/blank.html';
const registration = await service_worker_unregister_and_register(t, script, scope);
t.add_cleanup(() => registration.unregister());
await wait_for_state(t, registration.installing, 'activated');
const iframe = await with_iframe(scope + "?pipe=gzip");
// Sanity, to check that we actually loaded the document.
assert_equals(iframe.contentWindow.document.title, "Empty doc");
t.add_cleanup(() => iframe.remove());
const navigationEntry = iframe.contentWindow.performance.getEntriesByType("navigation")[0];
const main_page_resource_timing = performance.getEntriesByType("resource").filter(
e => e.name.includes('blank'))[0];
assert_greater_than(navigationEntry.decodedBodySize, 0,
'Navigation timing should have decodedBodySize larger than 0.');
// The response body that comes from a service worker respondWith promise
// should have identical encoded and decoded body sizes, regardless of what
// the service worker itself saw, according to the spec.
assert_equals(navigationEntry.encodedBodySize, navigationEntry.decodedBodySize,
'Navigation timing should have equal decodedBodySize and encodedBodySize.');
assert_greater_than(main_page_resource_timing.decodedBodySize, 0,
'Corresponding resource timing emitted on parent page should have decodedBodySize larger than 0.');
assert_equals(main_page_resource_timing.encodedBodySize, navigationEntry.decodedBodySize,
'Corresponding resource timing emitted on parent page should have equal decodedBodySize and \
encodedBodySize.');
}, 'Body sizes in a regular pass-through with gzip');
</script>
</body>
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