restriction-media-microphone.https.html (1942B)
1 <!DOCTYPE html> 2 <title>Access to the Microphone of the user media device is deferred</title> 3 <meta name="variant" content="?target_hint=_self"> 4 <meta name="variant" content="?target_hint=_blank"> 5 <meta name="timeout" content="long"> 6 <script src="/resources/testharness.js"></script> 7 <script src="/resources/testharnessreport.js"></script> 8 <script src="/common/utils.js"></script> 9 <script src="../resources/utils.js"></script> 10 <script src="resources/utils.js"></script> 11 12 <body> 13 <script> 14 setup(() => assertSpeculationRulesIsSupported()); 15 16 promise_test(async t => { 17 const uid = token(); 18 const bc = new PrerenderChannel('test-channel', uid); 19 t.add_cleanup(_ => bc.close()); 20 21 const gotMessage = new Promise(resolve => { 22 bc.addEventListener('message', e => { 23 resolve(e.data); 24 }, { 25 once: true 26 }); 27 }); 28 const url = `resources/media-devices-access.https.html?&audio=true&uid=${uid}&target_hint=${getTargetHint()}`; 29 window.open(url, '_blank', 'noopener'); 30 // According to spec, gUM will resolve only if the window has focus. 31 window.focus(); 32 33 const result = await gotMessage; 34 const expected = [ 35 { 36 event: 'started waiting navigator.mediaDevices.getUserMedia', 37 prerendering: true 38 }, 39 { 40 event: 'prerendering change', 41 prerendering: false 42 }, 43 { 44 event: 'finished waiting navigator.mediaDevices.getUserMedia', 45 prerendering: false 46 }, 47 ]; 48 assert_equals(result.length, expected.length); 49 for (let i = 0; i < result.length; i++) { 50 assert_equals(result[i].event, expected[i].event, `event${i}`); 51 assert_equals(result[i].prerendering, expected[i].prerendering, 52 `prerendering${i}`); 53 } 54 55 // Send a close signal to PrerenderEventCollector on the prerendered page. 56 new PrerenderChannel('close', uid).postMessage(''); 57 }, `the access to the Microphone of the user media should be deferred until the 58 prerendered page is activated`); 59 </script>