third_party/WebKit/LayoutTests/fast/scrolling/unscrollable-subpixel-overflow-mouse-drag.html

   1 <!DOCTYPE html>
   2 <style>
   3 body {
   4   zoom: 175%;
   5   margin: 0;
   6 }
   7 #container {
   8   overflow-y: scroll;
   9   width: 200px;
  10   height: 200px;
  11 }
  12 #content {
  13   background-color: green;
  14   width: 100px;
  15   height: 200.3px;
  16 }
  17 </style>
  18 Tests scroll behavior when an unscrollable scrollbar thumb is dragged by mouse.
  19 Passes if neither the thumb or the content changes.
  20 <div id="container">
  21   <div id="content"></div>
  22 </div>
  23 <script src="../../resources/js-test.js"></script>
  24 <script>
  25 if (window.eventSender) {
  26   onload = function() {
  27     var container = document.getElementById('container');
  28     eventSender.mouseMoveTo(340, 200);
  29     eventSender.mouseDown();
  30     eventSender.mouseMoveTo(340, 250);
  31     eventSender.mouseUp();
  32     shouldBe("container.scrollTop", "0");
  33   };
  34 }
  35 </script>