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Bug 1301426 part 19 - test case 18; r=jwwang 

MozReview-Commit-ID: JWDEG7gTPwP

--HG--
extra : rebase_source : 8a5c2e30ce0399add620b5288a546cfacb25c518
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Kaku Kuo 2016-11-24 16:38:52 +08:00
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Коммит 8d4eb1286a
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2
dom/media/test/mochitest.ini
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@ -832,6 +832,8 @@ tags=promise-play
tags=promise-play
[test_play_promise_17.html]
tags=promise-play
[test_play_promise_18.html]
tags=promise-play
[test_play_twice.html]
# Seamonkey: Bug 598252
skip-if = appname == "seamonkey"

46
dom/media/test/test_play_promise_18.html Normal file
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@ -0,0 +1,46 @@
<!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: 'playing' event should come before promise resolving
// Case: invoke play() on an element which has valis source
// Expected result: receive a 'playing' event before the promise is resolved
let manager = new MediaTestManager;
function initTest(test, token) {
manager.started(token);
let element = document.createElement(getMajorMimeType(test.type));
element.src = test.name;
element.receivedPlayingEvent = false;
element.addEventListener("playing", () => {
element.receivedPlayingEvent = true;
});
element.play().then(
(result) => {
if (result == undefined && element.receivedPlayingEvent) {
ok(true, `${token} is resolved with ${result}.`);
} else {
ok(false, `${token} is resolved with ${result} and receivedPlayingEvent = ${element.receivedPlayingEvent}`);
}
},
(error) => {
ok(false, `${token} is rejected with ${error.name}.`);
}
).then( () => { manager.finished(token); } );
}
manager.runTests(gSmallTests, initTest);
</script>