| <!DOCTYPE html> |
| <title>Same-origin prerendering can access Indexed Database</title> |
| <meta name="timeout" content="long"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="resources/utils.js"></script> |
| <script src="resources/indexedb-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 db = await openIndexedDatabase(); |
| assert_not_equals(db, null, 'Failed to open database.'); |
| await addData(db, INITIATOR_KEY, INITIATOR_VALUE); |
| |
| // Start prerendering a page that attempts to access the IndexedDB API. |
| startPrerendering(`resources/indexeddb-access.html`); |
| |
| const prerenderReadResult = await gotMessage; |
| assert_equals( |
| prerenderReadResult, INITIATOR_VALUE, |
| 'prerendering page should be able to read from Indexed DataBase'); |
| const initiatorReadResult = await readData(db, PRERENDER_KEY); |
| assert_equals( |
| initiatorReadResult, PRERENDER_VALUE, |
| 'prerendering page should be able to write to Indexed DataBase'); |
| db.close(); |
| bc.close(); |
| }, 'prerendering page should be able to access Indexed DataBase') |
| |
| </script> |
| </body> |
