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Bug 1301426 part 15 - test case 14; r=jwwang

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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.

MozReview-Commit-ID: CbUs1barMSP

--HG--
extra : rebase_source : c0626618d0bf50433dabb072d4221f5fbcfdbd35
extra : source : 7fa1839898a1042e83bd277d6bd819da7790e7ac
This commit is contained in:
Kaku Kuo 2016-10-11 15:27:49 +08:00
parent 567497b76e
commit 14ab71f7b5
2 changed files with 58 additions and 0 deletions
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2
dom/media/test/mochitest.ini
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@ -824,6 +824,8 @@ tags=promise-play
tags=promise-play
[test_play_promise_13.html]
tags=promise-play
[test_play_promise_14.html]
tags=promise-play
[test_play_twice.html]
# Seamonkey: Bug 598252
skip-if = appname == "seamonkey"

56
dom/media/test/test_play_promise_14.html Normal file
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@ -0,0 +1,56 @@
<!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>
</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>