<!DOCTYPE HTML> <html> <head> <title>Media test: promise-based play() method</title> <script src="/tests/SimpleTest/SimpleTest.js"></script> <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" /> <script type="text/javascript" src="manifest.js"></script> </head> <body> <pre id="test"> <script> // Name: loadAlgorithmResolveOrdering // Case: invoke load() on an element should resolve pending promises in order. // Expected result: the pending promises are resolved in order. let manager = new MediaTestManager; function initTest(test, token) { manager.started(token); let element = document.createElement(getMajorMimeType(test.type)); element.preload = "auto"; element.src = test.name; once(element, "canplay").then(() => { let firstPromiseResolved = false; // play element.play().then( () => { firstPromiseResolved = true; }, () => { ok(false, `loadAlgorithmResolveOrdering(${token}) should not be rejected.`); } ); // play again element.play().then( () => { ok(firstPromiseResolved, `loadAlgorithmResolveOrdering(${token}), the first play should already be resolved.`); }, () => { ok(false, `loadAlgorithmResolveOrdering(${token}) should not be rejected.`); } ).then( () => { manager.finished(token); } ); // triger load element.src = test.name; }); } manager.runTests(gSmallTests, initTest); </script>