test_play_promise_1.html (1120B)
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: playBeforeCanPlay 14 // Case: invoke play() on an element that doesn't have enough data 15 // Expected result: resolve the promise 16 17 let manager = new MediaTestManager; 18 19 function initTest(test, token) { 20 manager.started(token); 21 22 let element = document.createElement(getMajorMimeType(test.type)); 23 element.src = test.name; 24 ok(element.readyState == HTMLMediaElement.HAVE_NOTHING); 25 26 element.play().then( 27 (result) => { 28 if (result == undefined) { 29 ok(true, `${token} is resolved with ${result}.`); 30 } else { 31 ok(false, `${token} is resolved with ${result}.`); 32 } 33 }, 34 (error) => { 35 ok(false, `${token} is rejected with ${error.name}.`); 36 } 37 ).then( () => { manager.finished(token); } ); 38 } 39 40 manager.runTests(gSmallTests, initTest); 41 42 </script>