| <!DOCTYPE html> |
| <script src="../../../resources/js-test.js"></script> |
| <style> |
| fieldset:disabled { background-color: green } |
| fieldset + div { color: pink } |
| </style> |
| <fieldset id="fieldset"> |
| <legend></legend> |
| <label for="field"></label> |
| <input type="text" name="field" id="field"> |
| <div> |
| <div></div> |
| <div></div> |
| <div></div> |
| <div></div> |
| </div> |
| </fieldset> |
| <div> |
| <div></div> |
| <div></div> |
| <div></div> |
| <div></div> |
| </div> |
| <script> |
| description("Use descendant invalidation set for :disabled fieldset.") |
| |
| var transparent = "rgba(0, 0, 0, 0)"; |
| var green = "rgb(0, 128, 0)"; |
| |
| shouldBe("getComputedStyle(fieldset, '').backgroundColor", "transparent"); |
| |
| fieldset.offsetTop; // Force recalc. |
| fieldset.disabled = true; |
| |
| if (window.internals) { |
| // There are still instances of SubtreeStyleChange left when updating |
| // disabled state. This count should become lower. |
| shouldBe("internals.updateStyleAndReturnAffectedElementCount()", "2"); |
| } |
| |
| shouldBe("getComputedStyle(fieldset, '').backgroundColor", "green"); |
| </script> |
