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<!DOCTYPE html>
<title>ServiceWorkerGlobalScope: update</title>
<script src='/resources/testharness.js'></script>
<script src='/resources/testharnessreport.js'></script>
<script src='../resources/test-helpers.sub.js'></script>
<script>
promise_test(function(t) {
var script = 'resources/update-worker.py';
var scope = 'resources/scope/update';
var registration;
var frame1;
return service_worker_unregister_and_register(t, script, scope)
.then(function(r) {
registration = r;
return wait_for_state(t, registration.installing, 'activated');
})
.then(function() { return with_iframe(scope); })
.then(function(f) {
frame1 = f;
registration.active.postMessage('update');
return wait_for_update(t, registration);
})
.then(function() { return with_iframe(scope); })
.then(function(frame2) {
var expected_events_seen = [
'updatefound', // by register().
'activate',
'fetch',
'message',
'updatefound', // by update() in the message handler.
'fetch',
];
assert_equals(
frame2.contentDocument.body.textContent,
expected_events_seen.toString(),
'events seen by the worker');
frame1.remove();
frame2.remove();
return service_worker_unregister_and_done(t, scope);
});
}, 'Update a registration on ServiceWorkerGlobalScope');
</script>
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