| <!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="resources/utils.js"></script> |
| <body> |
| <script> |
| |
| setup(() => assertSpeculationRulesIsSupported()); |
| |
| promise_test(async t => { |
| const bc = new BroadcastChannel('prerender-channel'); |
| |
| const gotMessage = new Promise(resolve => { |
| bc.addEventListener('message', e => { |
| resolve(e.data); |
| }, { |
| once: true |
| }); |
| }); |
| |
| const cacheName = 'checkallowed'; |
| const cache = await caches.open(cacheName); |
| await cache.add('resources/cache.txt'); |
| const response = await cache.match('resources/cache.txt'); |
| const cacheText = await (response ? response.text() : 'primary cache match failed'); |
| |
| // Start prerendering a page that attempts to access cache storage. |
| startPrerendering(`resources/cache-storage-access.https.html`); |
| const result = await gotMessage; |
| |
| assert_equals( |
| result, cacheText, |
| 'prerendering page should be able to read from cache storage.'); |
| await caches.delete(cacheName); |
| |
| bc.close(); |
| }, 'prerendering page should be able to access cache storage') |
| |
| </script> |
| </body> |
