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<!DOCTYPE html>
<!--
This file is marked as "tentative" until:
* The feature flag ClearSiteDataPrefetchPrerenderCache is enabled and
https://github.com/WICG/nav-speculation/issues/357 is added to the specification.
-->
<title>clear-site-data-cache cancels prerenders</title>
<meta name="timeout" content="long">
<body>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/speculation-rules/resources/utils.js"></script>
<script src="/speculation-rules/prerender/resources/utils.js"></script>
<script src="/common/utils.js"></script>
<script src="/common/get-host-info.sub.js"></script>
<script src="/common/dispatcher/dispatcher.js"></script>
<script src="/html/browsers/browsing-the-web/remote-context-helper/resources/remote-context-helper.js"></script>
<script>
setup(() => assertSpeculationRulesIsSupported());
promise_test(async t => {
const rcHelper = new RemoteContextHelper();
const referrerRC = await rcHelper.addWindow({
origin: 'HTTPS_ORIGIN'
}, {
features: 'noopener'
});
const prerenderedRC = await addPrerenderRC(referrerRC, {
origin: 'HTTPS_REMOTE_ORIGIN',
headers: [
['Supports-Loading-Mode', 'credentialed-prerender']
]
});
const differentOrigin = get_host_info().HTTPS_REMOTE_ORIGIN;
// Open new window with different origin to clear cache data through
// Clear-Site-Data header.
// Ensure that the cache is cleared before the navigation.
const gotMessage = new Promise(resolve => {
window.addEventListener('message', e => {
resolve(e.data);
}, {
once: true
});
});
window.open(differentOrigin + "/../../clear-site-data/support/clear-site-data-prerenderCache.py");
await gotMessage;
// Because Clear-Site-Data response header is sent on a different origin than
// the initiator origin, the existing prerender is not expected to be
// canceled.
// And the prerender is expected to be activated.
await activatePrerenderRC(referrerRC, prerenderedRC);
});
</script>
</body>
</html>
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