Quelle test_timeupdate_small_files.html Sprache: HTML

products/sources/formale Sprachen/C/Firefox/dom/media/test/test_timeupdate_small_files.html

<!DOCTYPE HTML>
<html>


<head>
  <title>Bug 495319 - playing back small audio files should fire timeupdate</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>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=495319">Mozilla Bug 495319</a>
<pre id="test">
<script class="testbody" type="text/javascript">

var manager = new MediaTestManager;

function ended(e) {
  var v = e.target;
  ++v.counter.ended;
  is(v.counter.ended, 1, v._name + " should see ended only once");
  ok(v.counter.timeupdate > 0, v._name + " should see at least one timeupdate: " + v.currentTime);

  // Rest event counters for we don't allow events after ended.
  eventsToLog.forEach(function(event) {
    v.counter[event] = 0;
  });

  // Finish the test after 500ms. We shouldn't receive any timeupdate events
  // after the ended event, so this gives time for any pending timeupdate events
  // to fire so we can ensure we don't regress behaviour.
  setTimeout(
    function() {
      // Remove the event listeners before removing the video from the document.
      // We should receive a timeupdate and pause event when we remove the element
      // from the document (as the element is specified to behave as if pause() was
      // invoked when it's removed from a document), and we don't want those
      // confusing the test results.
      v.removeEventListener("ended", ended);
      eventsToLog.forEach(function(event) {
        v.removeEventListener(event, logEvent);
      });
      removeNodeAndSource(v);
      manager.finished(v.token);
    },
    500);
}

var eventsToLog = ["play", "canplay", "canplaythrough", "loadstart", "loadedmetadata",
  "loadeddata", "playing", "timeupdate", "error", "stalled", "emptied", "abort",
  "waiting", "pause"];

function logEvent(event) {
  var v = event.target;
  ++v.counter[event.type];
  if (v.counter.ended > 0) {
    is(v.counter[event.type], 0, v._name + " got unexpected " + event.type + " after ended");
  }
}

function startTest(test, token) {
  var type = getMajorMimeType(test.type);
  var v = document.createElement(type);
  v.token = token;
  manager.started(token);
  v.src = test.name;
  v._name = test.name;

  // Keep how many events received for each event type.
  v.counter = {};
  eventsToLog.forEach(function(e) {
    v.addEventListener(e, logEvent);
    v.counter[e] = 0;
  });
  v.addEventListener("ended", ended);
  v.counter.ended = 0;
  document.body.appendChild(v);
  v.play();
}

manager.runTests(gSmallTests, startTest);

</script>
</pre>
</body>
</html>

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