test_background_video_cancel_suspend_visible.html (2081B)
1 <!DOCTYPE html> 2 <meta charset="utf-8"> 3 <title>Test Background Video Suspend Cancels (Visibility)</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 * Check that making the element visible before suspend timer delay causes the 15 * the suspend timer to be canceled. 16 * 17 * @param {HTMLMediaElement} video Video element under test. 18 * @returns {Promise} Promise that is resolved when video decode resumes. 19 */ 20 function testSuspendTimerCanceledWhenShown(video) { 21 function ended() { 22 video.removeEventListener("mozcancelvideosuspendtimer", canceled); 23 ok(false, `${video.token} ended before suspend cancels`); 24 this.ended_resolve(); 25 } 26 27 function canceled() { 28 video.removeEventListener("ended", ended); 29 ok(true, `${video.token} suspend cancels`); 30 this.canceled_resolve(); 31 } 32 33 let p = Promise.race([ 34 new Promise((resolve) => { 35 video.ended_resolve = resolve; 36 video.addEventListener('ended', ended, { 'once': true }); 37 }), 38 new Promise((resolve) => { 39 video.canceled_resolve = resolve; 40 video.addEventListener('mozcancelvideosuspendtimer', canceled, { 'once': true }); 41 }) 42 ]); 43 44 Log(video.token, "Set visible"); 45 video.setVisible(true); 46 47 return p; 48 } 49 50 startTest({ 51 desc: 'Test Background Video Suspend Cancels (Visibility)', 52 prefs: [ 53 [ "media.test.video-suspend", true ], 54 [ "media.suspend-background-video.enabled", true ], 55 [ "media.suspend-background-video.delay-ms", 10000 ] 56 ], 57 tests: gDecodeSuspendTests, 58 runTest: (test, token) => { 59 let v = appendVideoToDoc(test.name, token); 60 manager.started(token); 61 62 waitUntilPlaying(v) 63 .then(() => testSuspendTimerStartedWhenHidden(v)) 64 .then(() => testSuspendTimerCanceledWhenShown(v)) 65 .then(() => { 66 ok(true, `${v.token} finished`); 67 manager.finished(token); 68 }); 69 } 70 });