| <!DOCTYPE html> |
| <script src="../../../resources/js-test.js"></script> |
| <style> |
| #hovered { width: 100px; height: 100px; background-color: orange } |
| #hovered::first-letter { color: lime } |
| #hovered:hover { background-color: green } |
| #hovered:hover + div #target { background-color: green } |
| </style> |
| <div id="hovered"> |
| <div></div> |
| <div></div> |
| </div> |
| <div> |
| <div></div> |
| <div></div> |
| <div></div> |
| <div></div> |
| <div></div> |
| <div id="target">This text, and the orange square, should have a green background when the orange square is hovered.</div> |
| </div> |
| <script> |
| description("Sibling invalidation with :hover and ::first-letter"); |
| |
| function hoverElement(element) { |
| eventSender.mouseMoveTo(0, 0); |
| document.body.offsetLeft; // force layout. |
| var x = element.offsetLeft + 1; |
| var y = element.offsetTop + 1; |
| eventSender.mouseMoveTo(x, y); |
| } |
| |
| var transparent = "rgba(0, 0, 0, 0)"; |
| var green = "rgb(0, 128, 0)"; |
| |
| shouldBe("getComputedStyle(target).backgroundColor", "transparent"); |
| |
| shouldBeDefined("window.eventSender"); |
| |
| if (window.eventSender) |
| hoverElement(hovered); |
| |
| // Recalc #hovered (1), its subtree (2) due to ::first-letter, and #target (1). |
| // In total: 4. |
| if (window.internals) |
| shouldBe("internals.updateStyleAndReturnAffectedElementCount()", "4"); |
| |
| shouldBe("getComputedStyle(target).backgroundColor", "green"); |
| |
| </script> |
