restriction-battery-status.https.html (1727B)
1 <!DOCTYPE html> 2 <title>Access to the Battery Status API 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 20 const gotMessage = new Promise(resolve => { 21 bc.addEventListener('message', e => { 22 resolve(e.data); 23 }, { 24 once: true 25 }); 26 }); 27 const url = `resources/battery-status.https.html?uid=${uid}&target_hint=${getTargetHint()}`; 28 window.open(url, '_blank', 'noopener'); 29 30 const result = await gotMessage; 31 const expected = [ 32 {event: 'started waiting navigator.getBattery', prerendering: true}, 33 {event: 'prerendering change', prerendering: false}, 34 {event: 'finished waiting navigator.getBattery', prerendering: false}, 35 ]; 36 assert_equals(result.length, expected.length); 37 for (let i = 0; i < result.length; i++) { 38 assert_equals(result[i].event, expected[i].event, `event[${i}]`); 39 assert_equals(result[i].prerendering, expected[i].prerendering, 40 `prerendering[${i}]`); 41 } 42 bc.close(); 43 44 // Send a close signal to PrerenderEventCollector on the prerendered page. 45 new PrerenderChannel('close', uid).postMessage(''); 46 }, `the access to the Battery Status API should be deferred until the 47 prerendered page is activated`); 48 </script>