| <!DOCTYPE html> |
| <title>Same-origin prerendering should not be able to post cross-context messages</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> |
| <script src="/service-workers/service-worker/resources/test-helpers.sub.js"></script> |
| <body> |
| <script> |
| |
| setup(() => assertSpeculationRulesIsSupported()); |
| |
| promise_test(async t => { |
| const {exec, activate} = await create_prerendered_page(t); |
| let activated = false; |
| let received = false; |
| const uid = token(); |
| const bc = new BroadcastChannel(uid); |
| const didReceiveMessage = new Promise(resolve => bc.addEventListener('message', |
| t.step_func(async () => { |
| resolve(activated); |
| }))); |
| |
| await exec(uid => { |
| const bc = new BroadcastChannel(uid); |
| bc.postMessage('hello'); |
| }, [uid]); |
| |
| await activate(); |
| const activatedWhenMessageReceived = await didReceiveMessage; |
| assert_true(activatedWhenMessageReceived, "message should be received after activation"); |
| }, "BroadcastChannel.postMessage should be deferred"); |
| |
| </script> |
| </body> |
