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<!DOCTYPE HTML>
<html>
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width; initial-scale=1.0">
  <title>Sanity panning test</title>
  <script type="application/javascript" src="apz_test_native_event_utils.js"></script>
  <script type="application/javascript" src="apz_test_utils.js"></script>
  <script type="application/javascript" src="/tests/SimpleTest/paint_listener.js"></script>
  <script type="application/javascript">

function scrollPage() {
  var transformEnd = function() {
    SpecialPowers.Services.obs.removeObserver(transformEnd, "APZ:TransformEnd", false);
    dump("Transform complete; flushing repaints...\n");
    flushApzRepaints(checkScroll);
  };
  SpecialPowers.Services.obs.addObserver(transformEnd, "APZ:TransformEnd", false);

  synthesizeNativeTouchDrag(document.body, 10, 100, 0, -(50 + TOUCH_SLOP));
  dump("Finished native drag, waiting for transform-end observer...\n");
}

function checkScroll() {
  is(window.scrollY, 50, "check that the window scrolled");
  subtestDone();
}

waitUntilApzStable().then(scrollPage);

  </script>
</head>
<body>
 <div style="height: 5000px; background-color: lightgreen;">
  This div makes the page scrollable.
 </div>
</body>
</html>