File: json-module-service-worker-test.https.html

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<!doctype html>

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

<script>
    promise_test(async (test) => {
        const reg = await navigator.serviceWorker.register('./serviceworker.js', { type: 'module' });
        test.add_cleanup(() => reg.unregister());
        assert_not_equals(reg.installing, undefined);
    }, "Javascript importing JSON Module should load within the context of a service worker");

    promise_test(test => {
        return promise_rejects_dom(test, "SecurityError",
            navigator.serviceWorker.register('./module.json', { type: 'module' }),
            "Attempting to load JSON as a service worker should fail");
    }, "Trying to register a service worker with a top-level JSON Module should fail");

    promise_test(async (test) => {
        const reg = await navigator.serviceWorker.register('./serviceworker-dynamic-import.js', { type: 'module' });
        test.add_cleanup(() => reg.unregister());
        assert_not_equals(reg.installing, undefined);
        reg.installing.postMessage("PING");
        const msgEvent = await new Promise(resolve => {
            navigator.serviceWorker.onmessage = resolve;
        });
        assert_equals(msgEvent.data, "FAILED");
    }, "JSON Module dynamic import should not load within the context of a service worker");
</script>