<!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> <script type="text/javascript" src="play_promise.js"></script> </head> <body> <pre id="test"> <script> // Name: playSwitchToValidSrcAfterError // Case: invoke play() on an element which had its source changed (to a valid source) after suffering from an error // Expected result: resolve the promise with undefined let manager = new MediaTestManager; function initTest(test, token) { manager.started(token); let element = document.createElement(getMajorMimeType(test.type)); element.src = getNotSupportedFile(test.name); once(element, "error").then(() => { ok(element.error.code == MediaError.MEDIA_ERR_SRC_NOT_SUPPORTED); element.src = test.name; element.play().then( (result) => { if (result == undefined) { ok(true, `${token} is resolved with ${result}.`); } else { ok(false, `${token} is resolved with ${result}.`); } }, (error) => { ok(false, `${token} is rejected with ${error.name}.`); } ).then( () => { manager.finished(token); } ); }); } manager.runTests(gSmallTests, initTest); </script>