test_timeupdate_small_files.html

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https://bugzilla.mozilla.org/show_bug.cgi?id=495319

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<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" />

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<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>

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