| <!DOCTYPE html> |
| <html> |
| <head> |
| <style> |
| body { |
| height: 500px; |
| } |
| |
| .overflowing { |
| width: 200px; |
| height: 250px; |
| } |
| |
| .contents { |
| position: relative; |
| z-index: 1; |
| height: 400px; |
| } |
| |
| .negative-z { |
| position: absolute; |
| width: 100px; |
| height: 50px; |
| z-index: -1; |
| border: 1px solid black; |
| } |
| |
| .composited { |
| transform: translateZ(0); |
| } |
| </style> |
| <script> |
| if (window.testRunner) { |
| testRunner.setRenderTreeDumpOptions(testRunner.RENDER_TREE_SHOW_ALL_LAYERS |
| | testRunner.RENDER_TREE_SHOW_LAYER_NESTING |
| | testRunner.RENDER_TREE_SHOW_COMPOSITED_LAYERS |
| | testRunner.RENDER_TREE_SHOW_OVERFLOW |
| | testRunner.RENDER_TREE_SHOW_SVG_GEOMETRY |
| | testRunner.RENDER_TREE_SHOW_LAYER_FRAGMENTS); |
| } |
| </script> |
| </head> |
| <body> |
| <div class="overflowing"> |
| <div class="contents"></div> |
| </div> |
| <div class="negative-z composited"></div> |
| <div style="height: 200px"> |
| <svg> |
| <rect x="10" y="20" width="100" height="100" fill="blue"/> |
| </svg> |
| </div> |
| </body> |
| </html> |
