Quelle test_reset_src.html

Sprache: HTML

products/Sources/formale Sprachen/C/Firefox/dom/media/test/test_reset_src.html

<!DOCTYPE HTML>
<html>


<head>
  <title>Test for bug 804875</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <script type="text/javascript" src="manifest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<a target="_blank"
href="https://bugzilla.mozilla.org/show_bug.cgi?id=804875">Mozilla Bug 804875</a>

<canvas></canvas>

<pre id="test">
<script class="testbody" type="text/javascript">

var manager = new MediaTestManager;

function finish(v) {
  removeNodeAndSource(v);
  manager.finished(v.token);
}

function onLoadedData_Audio(e) {
  var t = e.target;
  is(t.videoHeight, 0, t.name + ": videoHeight should be zero when there is no video.");
  is(t.videoWidth, 0, t.name + ": videoWidth should be zero when there is no video.");
  is(t.mozPaintedFrames, 0, t.name + ": mozPaintedFrames should be zero when there is no video.");
  is(t.mozFrameDelay, 0, t.name + ": mozFrameDelay should be zero when there is no video.");
  var c = document.getElementsByTagName("canvas")[0].getContext("2d");
  var threw = false;
  try {
    c.drawImage(t, 0, 0, t.videoHeight, t.videoWidth);
  } catch (ex) {
    threw = true;
  }
  ok(!threw, t.name + ": Even though we don't succeed to draw a video frame on the canvas, we shouldn't throw.");
  finish(t);
}

function onTimeUpdate_Video(e) {
  var t = e.target;
  if (t.currentTime < t.duration / 4) {
    return;
  }
  t.removeEventListener("timeupdate", onTimeUpdate_Video);
  // There's no guarantee that a video frame composite notification reaches
  // us before timeupdate fires.
  ok(t.mozPaintedFrames >= 0, t.name + ": mozPaintedFrames should be positive or zero, is " + t.mozPaintedFrames + ".");
  ok(t.mozFrameDelay >= 0, t.name + ": mozFrameDelay should be positive or zero, is " + t.mozFrameDelay + ".");

  if (t._firstTime) {
    // eslint-disable-next-line no-self-assign
    t.src = t.src;
    t._firstTime = false;
  } else {
    var source = getPlayableAudio(gPlayTests);
    if (!source) {
      todo("No audio file available.")
      finish(t);
    } else {
      t.removeEventListener("loadeddata", onLoadedData_Video);
      t.addEventListener("loadeddata", onLoadedData_Audio);
      t.src = source.name;
    }
  }
}

function onLoadedData_Video(e) {
  var t = e.target;
  isnot(t.videoHeight, 0, t.name + ": We should have a videoHeight.");
  isnot(t.videoWidth, 0, t.name + ": We should have a videoWidth.");
  t.addEventListener("timeupdate", onTimeUpdate_Video);
  t.play();
}

function startTest(test, token) {
  var v = document.createElement('video');
  document.body.appendChild(v);
  v._firstTime = true;
  v.addEventListener("loadeddata", onLoadedData_Video);
  v.src = test.name;
  v.token = token;
  v.name = test.name;
  v.play();
  manager.started(token);
}

manager.runTests(getPlayableVideos(gSmallTests.concat(gSeekTests)), startTest);
</script>
</pre>
</body>
</html>

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