cross-origin-iframe-prerender.https.html (1419B)
1 <!DOCTYPE html> 2 <!-- 3 Tests for cross-origin iframes `document.prerendering` state with 4 `Supports-Loading-Mode: prerender-cross-origin-frames` header. 5 --> 6 <title>Load a cross-origin document in a prerendered iframe</title> 7 <meta name="variant" content="?target_hint=_self"> 8 <meta name="variant" content="?target_hint=_blank"> 9 <meta name="timeout" content="long"> 10 <script src="/resources/testharness.js"></script> 11 <script src="/resources/testharnessreport.js"></script> 12 <script src="/common/utils.js"></script> 13 <script src="../resources/utils.js"></script> 14 <script src="resources/utils.js"></script> 15 16 <body> 17 <script> 18 setup(() => assertSpeculationRulesIsSupported()); 19 20 promise_test(async t => { 21 const uid = token(); 22 const bc = new PrerenderChannel('test-channel', uid); 23 24 const gotMessage = new Promise(resolve => { 25 bc.addEventListener('message', e => { 26 resolve(e.data); 27 }, { 28 once: true 29 }); 30 }); 31 const url = `resources/cross-origin-iframe-prerender.html?uid=${uid}&target_hint=${getTargetHint()}`; 32 window.open(url, '_blank', 'noopener'); 33 34 const result = await gotMessage; 35 assert_equals(result, 'iframe prerender finished correctly.'); 36 37 bc.close(); 38 39 // Send a close signal to PrerenderEventCollector on the prerendered page. 40 new PrerenderChannel('close', uid).postMessage(''); 41 }, `cross-origin iframes should be prerendered with prerender-cross-origin-frame header.`); 42 </script>