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Test Info: Warnings
- This test has a WPT meta file that expects 1 subtest issues.
- This WPT test may be referenced by the following Test IDs:
- /signed-exchange/sxg-prefetch.tentative.https.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<title>Prefetched signed exchange and certificate must not be fetched again</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/common/get-host-info.sub.js"></script>
<script src="/common/utils.js"></script>
<script src="./resources/sxg-util.js"></script>
<body>
<script>
promise_test(async (t) => {
const id = token();
const sxgUrl = get_host_info().HTTPS_REMOTE_ORIGIN + '/signed-exchange/resources/prefetch-test-sxg.py?id=' + id;
await new Promise(resolve => {
const link = document.createElement('link');
link.rel = 'prefetch';
link.href = sxgUrl;
link.as = 'document';
link.addEventListener('error', t.step_func(() => {
assert_unreached('Prefetch should not fail');
}));
link.addEventListener('load', t.step_func(() => {
resolve();
}));
document.body.appendChild(link);
});
const message_promise = new Promise((resolve) => {
window.addEventListener('message', (event) => {
resolve(event.data);
}, false);
});
const win = window.open(sxgUrl, "_blank");
const message = await message_promise;
win.close();
assert_equals(message, 'loaded');
}, 'Prefetched signed exchange and certificate must not be fetched again.');
</script>
</body>