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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /speculation-rules/prerender/cancel-prerendering-after-clear-site-data-cache.https.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<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']
]
});
// Open new window with url 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
});
});
let cache_helper = "cache_helper=" + self.crypto.randomUUID() + "&";
new_window = window.open("../../clear-site-data/support/clear-site-data-cache.py?" + cache_helper + "response=single_html&cache&clear_first=all");
await gotMessage;
// Because Clear-Site-Header response header is sent, the existing prerender
// is expected to be canceled.
// And the navigation is expected to create another page instead of activation.
referrerRC.navigateTo(prerenderedRC.url);
assert_equals(await getActivationStart(prerenderedRC), 0);
});
</script>
</body>
</html>