third_party/WebKit/LayoutTests/fast/events/drag-and-drop-set-drag-data-arguments.html

   1 <!DOCTYPE html>
   2 <script src="../../resources/js-test.js"></script>
   3 <div draggable="true" id="dragger">Drag me</div>
   4 <script>
   5
   6 description('Tests correct behavior of event.dataTransfer.setData with wrong number of arguments');
   7
   8 var event;
   9
  10 var dragger = document.getElementById('dragger');
  11 dragger.addEventListener('dragstart', function(e) {
  12     event = e;
  13     shouldThrow('event.dataTransfer.setData()', '"TypeError: Failed to execute \'setData\' on \'DataTransfer\': 2 arguments required, but only 0 present."');
  14     shouldThrow('event.dataTransfer.setData("Text")', '"TypeError: Failed to execute \'setData\' on \'DataTransfer\': 2 arguments required, but only 1 present."');
  15 }, false);
  16
  17 if (window.eventSender) {
  18     var rect = dragger.getBoundingClientRect();
  19     var x = rect.left + rect.width / 2;
  20     var y = rect.top + rect.height / 2;
  21     eventSender.mouseMoveTo(x, y);
  22     eventSender.mouseDown();
  23     eventSender.leapForward(400);
  24     eventSender.mouseMoveTo(x + 100, y);
  25     eventSender.mouseUp();
  26 }
  27
  28 </script>