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+<!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: '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> \ No newline at end of file