third_party/WebKit/LayoutTests/fast/events/platform-wheelevent-in-scrolling-div.html

   1 <html>
   2     <head>
   3         <script src="../../resources/js-test.js"></script>
   4         <script>
   5             var expectedScrollTop = 5;
   6             var expectedScrollLeft = 3;
   7             var pixelsPerWheelTick = 40;
   8             var event;
   9             var div;
  10
  11             if (window.testRunner)
  12                 testRunner.waitUntilDone();
  13
  14             function dispatchWheelEvent()
  15             {
  16                 var overflowElement = document.getElementById("overflow");
  17                 if (overflowElement)
  18                     overflowElement.addEventListener("mousewheel", mousewheelHandler, false);
  19
  20                 if (window.eventSender) {
  21                     eventSender.mouseMoveTo(100, 110);
  22                     eventSender.mouseScrollBy(-window.expectedScrollLeft, -window.expectedScrollTop);
  23                 }
  24
  25                 setTimeout('checkOffsets();', 100);
  26             }
  27
  28             function checkOffsets()
  29             {
  30                 div = document.getElementById("overflow");
  31                 shouldBe("div.scrollTop", "window.expectedScrollTop*window.pixelsPerWheelTick");
  32                 shouldBe("div.scrollLeft", "window.expectedScrollLeft*window.pixelsPerWheelTick");
  33
  34                 if (window.testRunner)
  35                     window.testRunner.notifyDone();
  36             }
  37
  38             function mousewheelHandler(e)
  39             {
  40                 event = e;
  41                 shouldBe("event.wheelDeltaY", "window.expectedScrollTop*-120");
  42                 shouldBe("event.wheelDeltaX", "window.expectedScrollLeft*-120");
  43
  44                 if (e.wheelDeltaY)
  45                     shouldBe("event.wheelDelta", "window.expectedScrollTop*-120");
  46                 else
  47                     shouldBe("event.wheelDelta", "window.expectedScrollLeft*-120");
  48             }
  49         </script>
  50     </head>
  51
  52     <body style="margin:0" onload="setTimeout('dispatchWheelEvent();', 100)">
  53         <div id="overflow" style="border:2px solid black;overflow:auto;height:200px;width:200px;">
  54             <div style="background-color:red;height:200px;width:400px;"></div>
  55             <div style="background-color:green;height:200px;width:400px;"></div>
  56             <div style="background-color:red;height:200px;width:400px;"></div>
  57         </div>
  58         <div id="console"></div>
  59     </body>
  60 </html>