test_play_promise_9.html

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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: playAndPauseBeforeCanPlay

// Case: invlke play() and then pause() on an element that deoen't have enough data to play.

// Expected result: reject the promise with AbortError DOM exception.

// Note: the pause() cancels the play() because the promise is still pending.

let manager = new MediaTestManager;

function initTest(test, token) {

  manager.started(token);

  let element = document.createElement(getMajorMimeType(test.type));

  ok(element.readyState == HTMLMediaElement.HAVE_NOTHING);

  element.play().then(

    (result) => {

      ok(false, `${token} is resolved with ${result}.`);

},

    (error) => {

      if (error.name == "AbortError") {

        ok(true, `${token} is rejected with ${error.name}.`);

      } else {

        ok(false, `${token} is rejected with ${error.name}.`);

  ).then( () => { manager.finished(token); } );

  ok(!element.paused, `playAndPauseBeforeCanPlay(${token}) element should not be paused.`);

  element.pause();

  ok(element.paused, `playAndPauseBeforeCanPlay(${token}) element should be paused.`);

manager.runTests(gSmallTests, initTest);

</script>