зеркало из https://github.com/mozilla/gecko-dev.git
56 строки
2.2 KiB
HTML
56 строки
2.2 KiB
HTML
<!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: loadAlgorithmKeepPromisesPendingWhenNotPausing
|
|
// Case: step1: create an element with its paused member to be fause and networkState to be NETWORK_EMPTY.
|
|
// stpe2: invoke load() on the element and the load() leaves the promise pending.
|
|
// Expected result: the pending promise should finally be resolved.
|
|
|
|
let manager = new MediaTestManager;
|
|
|
|
function initTest(test, token) {
|
|
manager.started(token);
|
|
|
|
let element = document.createElement(getMajorMimeType(test.type));
|
|
// Invoke play() -> (1) the promise will be left pending.
|
|
// (2) invoke load() -> (1) set the networkState to be NETWORK_NO_SOURCE.
|
|
// (2) queue a task to run resouce selection algorithm.
|
|
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 ${error.name}.`);
|
|
}
|
|
).then( () => { manager.finished(token); } );
|
|
|
|
once(element, "play").then(() => {
|
|
// The resouce selection algorithm has been done.
|
|
// -> set the networkState to be NETWORK_EMPTY because there is no valid resource to load.
|
|
ok(element.networkState == HTMLMediaElement.NETWORK_EMPTY);
|
|
|
|
// Invoke load() again and since the networkState is NETWORK_EMPTY, the load() does not reject the pending promise.
|
|
// The load() will queue a task to run resouce selection algorithm which will change the readyState and finally resolve the pending promise.
|
|
element.src = test.name;
|
|
|
|
// Since the networkState is NETWORK_EMPTY, the load() does not set paused to be true.
|
|
ok(!element.paused, `loadAlgorithmKeepPromisesPendingWhenNotPausing(${token}).paused should be false.`);
|
|
});
|
|
}
|
|
|
|
manager.runTests(gSmallTests, initTest);
|
|
|
|
</script> |