third_party/WebKit/LayoutTests/editing/pasteboard/script-tests/files-during-page-drags.js

   1 description("Make sure that .files arrays are always empty for non-file drags.");
   2
   3 var testContainer = document.createElement('div');
   4 // Put dragables at the top so that logging does not cause them to move off screen (where we can't drag).
   5 document.body.insertBefore(testContainer, document.body.firstChild);
   6
   7 var dragTarget = document.createElement('div');
   8 dragTarget.innerHTML = "drag target";
   9 dragTarget.style.cssText = 'width: 100px; height: 100px; background-color: blue';
  10 testContainer.appendChild(dragTarget);
  11
  12 var droppedFiles = null;
  13 dragTarget.ondragenter = function() {
  14     event.dataTransfer.dropEffect = "copy";
  15 }
  16 dragTarget.ondragover = function() {
  17     event.dataTransfer.dropEffect = "copy";
  18     event.preventDefault();
  19 }
  20 dragTarget.ondrop = function() {
  21     if (window.eventSender) {
  22         if (droppedFiles)
  23             testFailed("droppedFiles should have been cleared before making a drop");
  24         droppedFiles = event.dataTransfer.files;
  25     } else
  26         debug("Got drop with files: " + event.dataTransfer.files + " length: " + event.dataTransfer.files.length)
  27 }
  28
  29 var image = document.createElement('img');
  30 image.src = "resources/apple.gif";
  31 testContainer.appendChild(image);
  32
  33 // If we don't add a <br> then the line height of the <a> is the same as the <img> and the click-to-drag hits undragable whitespace.
  34 testContainer.appendChild(document.createElement('br'));
  35
  36 var link = document.createElement('a');
  37 link.innerHTML = "Draggable link";
  38 link.href = "resources/apple.gif"
  39 testContainer.appendChild(link);
  40
  41 function moveMouseToCenterOfElement(element)
  42 {
  43     var centerX = element.offsetLeft + element.offsetWidth / 2;
  44     var centerY = element.offsetTop + element.offsetHeight / 2;
  45     eventSender.mouseMoveTo(centerX, centerY);
  46 }
  47
  48 function dragFromSourceToTarget(source, target)
  49 {
  50     moveMouseToCenterOfElement(source);
  51     eventSender.mouseDown();
  52     moveMouseToCenterOfElement(target);
  53     eventSender.mouseUp();
  54 }
  55
  56 function testDrag(source)
  57 {
  58     dragFromSourceToTarget(source, dragTarget);
  59     if (!droppedFiles)
  60         testFailed("Drop of " + source.tagName + " never occured!");
  61     else if (droppedFiles.length == 0)
  62         testPassed("Drag of " + source.tagName + " resulted in empty files array.");
  63     else
  64         testFailed("Drag of " + source.tagName + " resulted in non-empty files array! (files: " + droppedFiles.length + ")");
  65     droppedFiles = null;
  66 }
  67
  68 function runTest()
  69 {
  70     testDrag(link);
  71     testDrag(image);
  72 }
  73
  74 if (window.eventSender) {
  75     runTest();
  76     // Clean up after ourselves
  77     document.body.removeChild(testContainer);
  78 } else {
  79     testFailed("This test is not interactive, please run using DumpRenderTree");
  80 }
  81
  82 var successfullyParsed = true;