blob: 198ef64b2c314d9637d15a9ac798bccaaa115b4f (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
|
<!DOCTYPE html>
<script src="/resources/testharness.js"></script>
<script src="/speculation-rules/prerender/resources/utils.js"></script>
<script src="/speculation-rules/prerender/resources/deferred-promise-utils.js"></script>
<script>
const params = new URLSearchParams(location.search);
// The main test page (restriction-service-worker-postmessage.https.html) loads
// the initiator page, then the initiator page will prerender itself with the
// `prerendering` parameter.
const isPrerendering = params.has('prerendering');
if (!isPrerendering) {
loadInitiatorPage();
} else {
assert_not_equals(navigator.serviceWorker.controller, null,
'prerendered page should be controlled');
const prerenderEventCollector = new PrerenderEventCollector();
// Promise to wait for a reply from the service worker.
const messagePromise = new Promise(resolve => {
navigator.serviceWorker.onmessage = e => {
prerenderEventCollector.addEvent(e.data);
resolve();
};
});
navigator.serviceWorker.controller.postMessage('postmessage to worker');
prerenderEventCollector.start(messagePromise, 'ServiceWorker.postMessage');
}
</script>
|
