| <!DOCTYPE html> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/speculation-rules/prerender/resources/utils.js"></script> |
| <script> |
| function runAlertTest() { |
| window.alert('Hello! Preprendering!'); |
| return 'no block'; |
| } |
| |
| function runConfirmTest() { |
| const result = window.confirm('Are you preprendering page?'); |
| return 'the return value is ' + (result === true ? 'yes' : 'no'); |
| } |
| |
| function runPromptTest() { |
| const result = window.prompt('Are you preprendering page?', |
| 'the default value'); |
| return 'the return value is ' + (result === null ? 'null' : result); |
| } |
| |
| const params = new URLSearchParams(location.search); |
| |
| const uid = params.get('uid'); |
| |
| // The main test page (restriction-message-boxes.html) loads the |
| // initiator page, then the initiator page will prerender itself with the |
| // `prerendering` parameter. |
| const isPrerendering = params.has('prerendering'); |
| |
| if (isPrerendering) { |
| // Test web APIs on the pages. |
| const bc = new PrerenderChannel('prerender-channel', uid); |
| assert_true(document.prerendering); |
| if (params.has('alert')) { |
| bc.postMessage(runAlertTest()); |
| } else if (params.has('confirm')) { |
| bc.postMessage(runConfirmTest()); |
| } else if (params.has('prompt')) { |
| bc.postMessage(runPromptTest()); |
| } |
| bc.close(); |
| window.close(); |
| } else { |
| // Initiator pages should prerender the prerendering page. |
| const url = new URL(document.URL); |
| url.searchParams.append('prerendering', ''); |
| startPrerendering(url); |
| } |
| </script> |
