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<!DOCTYPE html>
<title>Same-origin prerendering can access cache storage</title>
<meta name="timeout" content="long">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/common/dispatcher/dispatcher.js"></script>
<script src="/common/utils.js"></script>
<script src="resources/utils.js"></script>
<body>
<script>
setup(() => assertSpeculationRulesIsSupported());
promise_test(async t => {
const cacheName = token();
const cache = await caches.open(cacheName);
await cache.add('resources/cache.txt');
t.add_cleanup(() => caches.delete(cacheName));
const response = await cache.match('resources/cache.txt');
const cacheText = await (response ? response.text() : 'primary cache match failed');
const {exec} = await create_prerendered_page(t);
const result = await exec(async cacheName => {
const cache = await caches.open(cacheName);
const match = await cache.match('cache.txt');
return await match.text();
}, [cacheName]);
assert_equals(
result, cacheText,
'prerendering page should be able to read from cache storage.');
}, 'prerendering page should be able to access cache storage')
</script>
</body>
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