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(Empty) | |
| 1 <!DOCTYPE html> |
| 2 <script src="../../../resources/js-test.js"></script> |
| 3 <style> |
| 4 :empty { background-color: green } |
| 5 #empty + div, #not-empty + div { color: pink } |
| 6 </style> |
| 7 <div id="empty"></div> |
| 8 <div> |
| 9 <div></div> |
| 10 <div></div> |
| 11 <div></div> |
| 12 <div></div> |
| 13 </div> |
| 14 <div id="notEmpty"><div id="child"></div></div> |
| 15 <div> |
| 16 <div></div> |
| 17 <div></div> |
| 18 <div></div> |
| 19 <div></div> |
| 20 </div> |
| 21 <script> |
| 22 description("Use descendant invalidation set for :empty pseudo class.") |
| 23 |
| 24 var transparent = "rgba(0, 0, 0, 0)"; |
| 25 var green = "rgb(0, 128, 0)"; |
| 26 |
| 27 shouldBe("getComputedStyle(empty, '').backgroundColor", "green"); |
| 28 |
| 29 empty.offsetTop; // force recalc |
| 30 empty.appendChild(document.createElement("div")); |
| 31 |
| 32 if (window.internals) |
| 33 shouldBe("internals.updateStyleAndReturnAffectedElementCount()", "2"); |
| 34 |
| 35 shouldBe("getComputedStyle(empty, '').backgroundColor", "transparent"); |
| 36 |
| 37 shouldBe("getComputedStyle(notEmpty, '').backgroundColor", "transparent"); |
| 38 |
| 39 notEmpty.offsetTop; // force recalc |
| 40 notEmpty.removeChild(child); |
| 41 |
| 42 if (window.internals) |
| 43 shouldBe("internals.updateStyleAndReturnAffectedElementCount()", "1"); |
| 44 |
| 45 shouldBe("getComputedStyle(notEmpty, '').backgroundColor", "green"); |
| 46 </script> |
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