restriction-dedicated-worker.https.html (1652B)
1 <!DOCTYPE html> 2 <title>Access to the Dedicated Worker API is deferred</title> 3 <meta name="timeout" content="long"> 4 <script src="/resources/testharness.js"></script> 5 <script src="/resources/testharnessreport.js"></script> 6 <script src="/common/utils.js"></script> 7 <script src="../resources/utils.js"></script> 8 <script src="resources/utils.js"></script> 9 10 <body> 11 <script> 12 setup(() => assertSpeculationRulesIsSupported()); 13 14 promise_test(async t => { 15 const uid = token(); 16 const bc = new PrerenderChannel('test-channel', uid); 17 t.add_cleanup(_ => bc.close()); 18 19 const gotMessage = new Promise(resolve => { 20 bc.addEventListener('message', e => { 21 resolve(e.data); 22 }, { 23 once: true 24 }); 25 }); 26 const url = `resources/dedicated-worker.https.html?uid=${uid}`; 27 window.open(url, '_blank', 'noopener'); 28 29 const result = await gotMessage; 30 const expected = [ 31 { 32 event: 'started waiting worker construction', 33 prerendering: true 34 }, 35 { 36 event: 'prerendering change', 37 prerendering: false 38 }, 39 { 40 event: 'finished waiting worker construction', 41 prerendering: false 42 }, 43 ]; 44 assert_equals(result.length, expected.length); 45 for (let i = 0; i < result.length; i++) { 46 assert_equals(result[i].event, expected[i].event, `event[${i}]`); 47 assert_equals(result[i].prerendering, expected[i].prerendering, 48 `prerendering[${i}]`); 49 } 50 51 // Send a close signal to PrerenderEventCollector on the prerendered page. 52 new PrerenderChannel('close', uid).postMessage(''); 53 }, `The access to the Dedicated Worker API should be deferred until the 54 prerendered page is activated`); 55 </script>