| <style> |
| :after, :before { |
| content: counter(a); |
| -webkit-appearance: discrete-capacity-level-indicator; |
| } |
| </style> |
| <script> |
| function main() { |
| if (window.testRunner) |
| testRunner.dumpAsText(); |
| console.log("This test passes if it does not crash."); |
| document.execCommand("selectAll",false,null); |
| window.getSelection().modify("extend","forward","lineboundary"); |
| window.getSelection().getRangeAt(0); |
| document.execCommand("selectAll",false,null); |
| window.getSelection().modify("extend","backward","lineboundary"); |
| window.getSelection().getRangeAt(0); |
| } |
| </script> |
| <body onload="main()"> |
| A |
