| <!DOCTYPE html> |
| <title>Same-origin prerendering can access localStorage</title> |
| <meta name="timeout" content="long"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/common/utils.js"></script> |
| <script src="/common/dispatcher/dispatcher.js"></script> |
| <script src="resources/utils.js"></script> |
| <body> |
| <script> |
| |
| setup(() => assertSpeculationRulesIsSupported()); |
| |
| promise_test(async t => { |
| const uid1 = token(); |
| const uid2 = token(); |
| window.localStorage.setItem('initial', uid1); |
| const {exec} = await create_prerendered_page(t); |
| const result = await exec(uid2 => { |
| window.localStorage.setItem('prerender', uid2); |
| return window.localStorage.getItem('initial'); |
| }, [uid2]) |
| |
| // Start prerendering a page that attempts to access localStorage API. |
| assert_equals( |
| result, uid1, |
| 'prerendering page should be able to read from local storage'); |
| assert_equals( |
| window.localStorage.getItem('prerender'), uid2, |
| 'prerendering page should be able to write to local storage'); |
| }, 'prerendering page should be able to access local storage'); |
| |
| </script> |
| </body> |
