restriction-web-hid.https.html (1584B)
1 <!DOCTYPE html> 2 <title>Access to the Web HID 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 18 const gotMessage = new Promise(resolve => { 19 bc.addEventListener('message', e => { 20 resolve(e.data); 21 }, { 22 once: true 23 }); 24 }); 25 const url = `resources/web-hid.https.html?uid=${uid}`; 26 window.open(url, '_blank', 'noopener'); 27 28 const result = await gotMessage; 29 const expected = [ 30 {event: 'started waiting navigator.hid.getDevices', prerendering: true}, 31 {event: 'prerendering change', prerendering: false}, 32 {event: 'finished waiting navigator.hid.getDevices', prerendering: false}, 33 ]; 34 assert_equals(result.length, expected.length); 35 for (let i = 0; i < result.length; i++) { 36 assert_equals(result[i].event, expected[i].event, `event[${i}]`); 37 assert_equals(result[i].prerendering, expected[i].prerendering, 38 `prerendering[${i}]`); 39 } 40 bc.close(); 41 42 // Send a close signal to PrerenderEventCollector on the prerendered page. 43 new PrerenderChannel('close', uid).postMessage(''); 44 }, `the access to the Web HID API should be deferred until the prerendered 45 page is activated`); 46 </script>