| <!DOCTYPE html> |
| <!-- |
| Tests for cross-origin iframes `document.prerendering` state with |
| `Supports-Loading-Mode: prerender-cross-origin-frames` header. |
| --> |
| <title>Load a cross-origin document in a prerendered iframe</title> |
| <meta name="variant" content="?target_hint=_self"> |
| <meta name="variant" content="?target_hint=_blank"> |
| <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('prerender')); |
| |
| promise_test(async t => { |
| const uid = token(); |
| const bc = new PrerenderChannel('test-channel', uid); |
| |
| const gotMessage = new Promise(resolve => { |
| bc.addEventListener('message', e => { |
| resolve(e.data); |
| }, { |
| once: true |
| }); |
| }); |
| const url = `resources/cross-origin-iframe-prerender.html?uid=${uid}&target_hint=${getTargetHint()}`; |
| window.open(url, '_blank', 'noopener'); |
| |
| const result = await gotMessage; |
| assert_equals(result, 'iframe prerender finished correctly.'); |
| |
| bc.close(); |
| |
| // Send a close signal to PrerenderEventCollector on the prerendered page. |
| new PrerenderChannel('close', uid).postMessage(''); |
| }, `cross-origin iframes should be prerendered with prerender-cross-origin-frame header.`); |
| </script> |
