test_trackelementsrc.html

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  <title>Test for Bug 1281418 - Change the src attribue for TrackElement.</title>

  <script src="/tests/SimpleTest/SimpleTest.js"></script>

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<pre id="test">

<script class="testbody" type="text/javascript">

  SimpleTest.waitForExplicitFinish();

  var video = document.createElement("video");

  video.src = "seek.webm";

  video.preload = "metadata";

  var trackElement = document.createElement("track");

  trackElement.src = "basic.vtt";

  trackElement.default = true;

  document.getElementById("content").appendChild(video);

  video.appendChild(trackElement);

  video.addEventListener("loadedmetadata", function metadata() {

    if (trackElement.readyState <= 1) {

      setTimeout(metadata, 0);

      return;

    is(video.textTracks.length, 1, "Length should be 1.");

    is(video.textTracks[0].cues.length, 6, "Cue length should be 6.");

    trackElement.src = "sequential.vtt";

    trackElement.track.mode = "showing";

    video.play();

});

  video.addEventListener("ended", function end() {

    is(trackElement.readyState, 2, "readyState should be 2.")

    is(video.textTracks.length, 1, "Length should be 1.");

    is(video.textTracks[0].cues.length, 3, "Cue length should be 3.");

    SimpleTest.finish();

});

</script>

</pre>

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