test_background_video_cancel_suspend_taint.html (2135B)
1 <!DOCTYPE html> 2 <meta charset="utf-8"> 3 <title>Test Background Video Suspend Cancels (Element Taint)</title> 4 <script src="/tests/SimpleTest/SimpleTest.js"></script> 5 <script src="manifest.js"></script> 6 <script src="background_video.js"></script> 7 <link rel="stylesheet" href="/tests/SimpleTest/test.css"/> 8 <script type="text/javascript"> 9 "use strict"; 10 11 var manager = new MediaTestManager; 12 13 /** 14 * @param {HTMLMediaElement} video Video element under test. 15 * @returns {Promise} Promise that is resolved when video decode resumes. 16 */ 17 function testSuspendTimerCanceledWhenTainted(video) { 18 function ended() { 19 video.removeEventListener("mozcancelvideosuspendtimer", canceled); 20 ok(false, `${video.token} ended before suspend cancels`); 21 this.ended_resolve(); 22 } 23 24 function canceled() { 25 video.removeEventListener("ended", ended); 26 ok(true, `${video.token} suspend cancels`); 27 this.canceled_resolve(); 28 } 29 30 let p = Promise.race([ 31 new Promise((resolve) => { 32 video.ended_resolve = resolve; 33 video.addEventListener('ended', ended, { 'once': true }); 34 }), 35 new Promise((resolve) => { 36 video.canceled_resolve = resolve; 37 video.addEventListener('mozcancelvideosuspendtimer', canceled, { 'once': true }); 38 }) 39 ]); 40 41 Log(video.token, "Mark tainted"); 42 43 let c = document.createElement('canvas'); 44 let g = c.getContext('2d'); 45 g.drawImage(video, 0, 0, c.width, c.height); 46 ok(video.hasSuspendTaint(), 'video used with drawImage is tainted.'); 47 48 return p; 49 } 50 51 startTest({ 52 desc: 'Test Background Video Suspend Cancels (Element Taint)', 53 prefs: [ 54 [ "media.test.video-suspend", true ], 55 [ "media.suspend-background-video.enabled", true ], 56 [ "media.suspend-background-video.delay-ms", 10000 ] 57 ], 58 tests: gDecodeSuspendTests, 59 runTest: (test, token) => { 60 let v = appendVideoToDoc(test.name, token); 61 manager.started(token); 62 63 waitUntilVisible(v) 64 .then(() => waitUntilPlaying(v)) 65 .then(() => testSuspendTimerStartedWhenHidden(v)) 66 .then(() => testSuspendTimerCanceledWhenTainted(v)) 67 .then(() => { manager.finished(token); }); 68 } 69 }); 70 </script>