test_play_promise_8.html (1485B)
1 <!DOCTYPE HTML> 2 <html> 3 <head> 4 <title>Media test: promise-based play() method</title> 5 <script src="/tests/SimpleTest/SimpleTest.js"></script> 6 <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" /> 7 <script type="text/javascript" src="manifest.js"></script> 8 </head> 9 <body> 10 <pre id="test"> 11 12 <script> 13 // Name: playAndPauseWhenCanplay 14 // Case: invlke play() and then pause() on an element that already has enough data to play 15 // Expected result: resolve the promise 16 // Note: the pause() doesn't cancel the play() because it was alredy been queued to be resolved. 17 18 let manager = new MediaTestManager; 19 20 function initTest(test, token) { 21 manager.started(token); 22 23 let element = document.createElement(getMajorMimeType(test.type)); 24 element.preload = "auto"; 25 element.src = test.name; 26 once(element, "canplay").then(() => { 27 element.play().then( 28 (result) => { 29 if (result == undefined) { 30 ok(true, `${token} is resolved with ${result}.`); 31 } else { 32 ok(false, `${token} is resolved with ${result}.`); 33 } 34 }, 35 (error) => { 36 ok(false, `${token} is rejected with ${error.name}.`); 37 } 38 ).then( () => { manager.finished(token); } ); 39 ok(!element.paused, `playAndPauseWhenCanplay(${token}) element should not be paused.`); 40 element.pause(); 41 ok(element.paused, `playAndPauseWhenCanplay(${token}) element should be paused.`); 42 }); 43 } 44 45 manager.runTests(gSmallTests, initTest); 46 47 </script>