error-message-event.https.html

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This test has a WPT meta file that expects 1 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /service-workers/service-worker/ServiceWorkerGlobalScope/error-message-event.https.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<html>

<head>

<title>Service Worker GlobalScope onerror event</title>

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

 <script src="/common/get-host-info.sub.js"></script>

</head>

<body>

<canvas id=canvas></canvas>

<script>

var scope = "resources";

var registration;

var frame;

var url1 = "/WebKit/service-workers/resources/response-full-of-headers.py";

var url2 = get_host_info().HTTPS_REMOTE_ORIGIN + url1;

async function registerServiceWorker(scope)

    const registration = await navigator.serviceWorker.register("error-message-event-worker.js", { scope : scope });

    let activeWorker = registration.active;

    if (activeWorker)

        return registration;

    activeWorker = registration.installing;

    return new Promise(resolve => {

        activeWorker.addEventListener('statechange', () => {

            if (activeWorker.state === "activated")

                resolve(registration);

});

});

promise_test(async (test) => {

    registration = await registerServiceWorker(scope);

    const stream = canvas.captureStream();

    const track = stream.getVideoTracks()[0];

    // MediaStreamTrack is not defined in service worker contexts.

    registration.active.postMessage({ track }, [track]);

    const result = await new Promise(resolve => navigator.serviceWorker.onmessage = e => resolve(e.data));

    assert_equals(result, "received error event");

}, "Verify error event is received");

</script>

</body>

</html>