gecko-dev/dom/media/test/test_play_promise_7.html

47 строки
1.5 KiB
HTML

<!DOCTYPE HTML>
<html>
<head>
<title>Media test: promise-based play() method</title>
<script type="text/javascript" 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: playSwitchToInvalidSrcAfterError
// Case: invoke play() on an element which had its source changed (to a invalid source) after suffering from an error
// Expected result: reject the promise with NotSupportedError DOM exception
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 = getNotSupportedFile(test.name);
ok(element.error == null);
ok(element.readyState == HTMLMediaElement.HAVE_NOTHING);
element.play().then(
(result) => {
ok(false, `${token} is resolved with ${result}.`);
},
(error) => {
if (error.name == "NotSupportedError") {
ok(true, `${token} is rejected with ${error.name}.`);
} else {
ok(false, `${token} is rejected with ${error.name}.`);
}
}
).then( () => { manager.finished(token); } );
});
}
manager.runTests(gSmallTests, initTest);
</script>