| <!doctype html> |
| <div style="transform-style: preserve-3d"> |
| <div style="width: 100px; height: 100px; background:lightgray; will-change: transform;"></div> |
| <div id="target" style="position: absolute; top: 20px; left: 20px; height: 100px; width: 100px; background:lightblue"></div> |
| </div> |
| <script src="../resources/text-based-repaint.js"></script> |
| <script> |
| // Test that squashing works properly when inside of a transform-style: preserve-3d element. In the bug that this layout test |
| // was added to fix, the coordinates of the squashing layer paint invalidation rects were not recorded correctly, because some of |
| // the code computed transformed ancestors incorrectly (it should *not* include the preserve-3d element). |
| |
| function repaintTest() { |
| var target = document.getElementById('target'); |
| target.style.background = 'red'; |
| } |
| |
| runRepaintAndPixelTest(); |
| </script> |
