| <!DOCTYPE html> | |
| <div id="multicol" style="columns:2; writing-mode:vertical-rl;"> | |
| <div> | |
| <div style="column-span:all;"></div> | |
| </div> | |
| </div> | |
| <script src="../../../resources/testharness.js"></script> | |
| <script src="../../../resources/testharnessreport.js"></script> | |
| <script> | |
| test(() => { | |
| document.body.offsetTop; | |
| document.getElementById("multicol").style.writingMode = "horizontal-tb"; | |
| }, "No crash or assertion failure."); | |
| </script> |