blob: 3efd693519ae535c4b3925d31c0983236ae6fb72 [file] [log] [blame]
<!DOCTYPE html>
<!-- This test is prefixed with `chromium.` because it asserts the behavior of
the HTTP cache. This behavior does not violate any standard but neither is it
required. -->
<title>Service Worker: Registration update() served from cache</title>
<script src="../resources/testharness.js"></script>
<script src="../resources/testharnessreport.js"></script>
<script src="resources/test-helpers.js"></script>
<script>
promise_test(function(t) {
var scope = 'resources/scope/update-served-from-cache';
var worker_url = 'resources/update-served-from-cache-worker.php';
var registration;
return service_worker_unregister_and_register(t, worker_url, scope)
.then(function(r) {
// The script resource for this register() having a non-zero max-age
// value was cached.
registration = r;
return wait_for_state(t, registration.installing, 'activated');
})
.then(function() {
// update() should consult the cache. The returned promise should
// resolve when the script is retrieved from the cache.
return registration.update();
})
.then(function() {
// installing should be null as update() does not trigger install.
assert_equals(
registration.installing,
null,
'installing should be null as the script was served from cache.');
return service_worker_unregister_and_done(t, scope);
});
}, 'Update a registration served from cache.');
</script>