| <!DOCTYPE html> |
| <html> |
| <head> |
| <style> |
| .container { |
| /* Not using will-change: transform because it ignores subpixel accumulation. */ |
| will-change: opacity; |
| position: absolute; |
| top: 100px; |
| left:100.5px; |
| background-color: red; |
| } |
| |
| #target { |
| position: absolute; |
| left: 0px; |
| width: 10px; |
| height: 10px; |
| border: 2px solid red; |
| } |
| |
| #target.green { |
| border-color: green; |
| } |
| </style> |
| <script src="../resources/text-based-repaint.js" type="text/javascript"></script> |
| </head> |
| <body onload="runRepaintAndPixelTest();"> |
| <div class="container"> |
| <div id="target"> |
| </div> |
| </div> |
| <script> |
| // This test ensures that children of a composited element with a sub-pixel offset are properly repainted. |
| // The box should have a fully green border. |
| function repaintTest() { |
| var target = document.getElementById('target'); |
| target.classList.add('green'); |
| } |
| </script> |
