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<!DOCTYPE html>
<head>
  <script type="application/javascript" src="apz_test_native_event_utils.js"></script>
  <script type="application/javascript" src="apz_test_utils.js"></script>
  <script src="/tests/SimpleTest/paint_listener.js"></script>
  <script type="application/javascript">
async function test() {
  var subframe = document.getElementById("content-wrapper");

  // scroll over the middle of the subframe, to make sure it scrolls,
  // not the page
  var scrollPos = subframe.scrollTop;
  await promiseMoveMouseAndScrollWheelOver(subframe, 100, 100);
  ok(subframe.scrollTop > scrollPos, "subframe scrolled after wheeling over it");
}

waitUntilApzStable()
.then(test)
.then(subtestDone, subtestFailed);

  </script>
  <style>
    html {
      perspective:1000px;
      overflow: hidden;
    }
    #fullscreen-wrapper {
      display:table;
      visibility:hidden;
      width:100%;
      height:100%;
      position:fixed;
      top:0;
      left:0;
      overflow:hidden;
      z-index:9999;
      perspective:1000px;
    }
    #content-wrapper {
      overflow-y:auto;
      height: 100vh;
    }
    #content-content {
      min-height: 10000px;
    }
  </style>
</head>
<body>
    <div id="fullscreen-wrapper">
      <div></div>
    </div>
    <div id="content-wrapper">
      <div id="content-content">
        A<br>
        B<br>
        C<br>
        D<br>
        E<br>
        f<br>
        g<br>
        h<br>
        i<br>
        j<br>
      </div>
    </div>
</body>