third_party/WebKit/LayoutTests/editing/selection/subpixel-positioned-selection.html

   1 <!DOCTYPE html>
   2 <script src="../../resources/run-after-layout-and-paint.js"></script>
   3 <script>
   4 if (window.testRunner)
   5   testRunner.waitUntilDone();
   6
   7 function test(start, end) {
   8   var text = document.getElementsByTagName('div')[0].firstChild;
   9   window.getSelection().setBaseAndExtent(text, start, text, end);
  10   if (start == end) {
  11     if (window.testRunner)
  12       testRunner.notifyDone();
  13     return;
  14   }
  15   runAfterLayoutAndPaint(function() {
  16     test(start + 1, end - 1);
  17   });
  18 }
  19
  20 onload = function() {
  21   test(1, 25);
  22 };
  23 </script>
  24 There should be no residue when shrinking a selection under a sub-pixel-positioned element.
  25 <div style="position: absolute; left: 0.3px">
  26 ABCDEFGHIJKLMNOPQRSTUVWXYZ
  27 </div>