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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /service-workers/service-worker/serviceworker-message-event-historical.https.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<title>Service Worker: ServiceWorkerMessageEvent</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 scope = 'resources/blank.html';
var url = 'resources/postmessage-to-client-worker.js';
return service_worker_unregister_and_register(t, url, scope)
.then(function(r) {
t.add_cleanup(function() {
return service_worker_unregister(t, scope);
});
return wait_for_state(t, r.installing, 'activated');
})
.then(function() {
return with_iframe(scope);
})
.then(function(frame) {
var w = frame.contentWindow;
var worker = w.navigator.serviceWorker.controller;
assert_equals(
self.ServiceWorkerMessageEvent, undefined,
'ServiceWorkerMessageEvent should not be defined.');
return new Promise(function(resolve) {
w.navigator.serviceWorker.onmessage = t.step_func(function(e) {
assert_true(
e instanceof w.MessageEvent,
'message events should use MessageEvent interface.');
assert_true(e.source instanceof w.ServiceWorker);
assert_equals(e.type, 'message');
assert_equals(e.source, worker,
'source should equal to the controller.');
assert_equals(e.ports.length, 0);
resolve();
});
worker.postMessage('PING');
});
});
}, 'Test MessageEvent supplants ServiceWorkerMessageEvent.');
</script>