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Test Info:

<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>
<pre id="test">
// Name: playAndPauseWhenCanplay
// Case: invlke play() and then pause() on an element that already has enough data to play
// Expected result: resolve the promise
// Note: the pause() doesn't cancel the play() because it was alredy been queued to be resolved.
let manager = new MediaTestManager;
function initTest(test, token) {
let element = document.createElement(getMajorMimeType(test.type));
element.preload = "auto";
element.src =;
once(element, "canplay").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 ${}.`);
).then( () => { manager.finished(token); } );
ok(!element.paused, `playAndPauseWhenCanplay(${token}) element should not be paused.`);
ok(element.paused, `playAndPauseWhenCanplay(${token}) element should be paused.`);
manager.runTests(gSmallTests, initTest);