| <!DOCTYPE html> |
| <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="../resources/utils.js"></script> |
| <script src="resources/utils.js"></script> |
| |
| <body> |
| <script> |
| setup(() => assertSpeculationRulesIsSupported()); |
| |
| function runTest(test_file, expectation, description) { |
| promise_test(async t => { |
| const uid = token(); |
| const bc = new PrerenderChannel('prerender-channel', uid); |
| t.add_cleanup(_ => bc.close()); |
| |
| const gotMessage = new Promise(resolve => { |
| bc.addEventListener('message', e => { |
| resolve(e.data); |
| }, { |
| once: true |
| }); |
| }); |
| |
| // Open a new window to test the message box. |
| window.open(`${test_file}&uid=${uid}`, '_blank', 'noopener'); |
| |
| // Wait for the message from the prerendering page. |
| assert_equals(await gotMessage, expectation); |
| }, description); |
| } |
| |
| // Test that a page invokes the alert modal during prerendering. |
| runTest( |
| 'resources/message-boxes.html?alert', |
| 'no block', |
| 'alert() does not display the modal and returns immediately'); |
| |
| // Test that a page invokes the confirm modal during prerendering. |
| runTest( |
| 'resources/message-boxes.html?confirm', |
| 'the return value is no', |
| 'confirm() does not display the modal and returns immediately'); |
| |
| // Test that a page invokes the prompt modal during prerendering. |
| runTest( |
| 'resources/message-boxes.html?prompt', |
| 'the return value is null', |
| 'prompt() does not display the modal and returns immediately'); |
| </script> |