| <!DOCTYPE html> |
| <script src="../../../resources/js-test.js"></script> |
| <style> |
| object + div { color: green; } |
| </style> |
| <object id="obj" data="data:text/html,FAIL"><div>Fallback</div></object> |
| <div> |
| <div></div> |
| <div></div> |
| <div></div> |
| <div></div> |
| </div> |
| <script> |
| description("Reattaching object should not trigger sibling forest invalidation."); |
| |
| shouldBeDefined(window.internals); |
| |
| // Force recalc |
| obj.offsetTop; |
| |
| // Trigger reattach of fallback content. |
| obj.setAttribute("data", "data:text/html,PASS"); |
| |
| shouldBe("internals.updateStyleAndReturnAffectedElementCount()", "1"); |
| |
| </script> |
