| <!DOCTYPE html> |
| <script src="../../../resources/js-test.js"></script> |
| <style> |
| /* Rule to set childrenAffectedByDirectAdjacentRules() on #parent */ |
| div + #x { color: orange } |
| |
| /* Rule to cause subtree recalc on #c1 when className set to c1. */ |
| .c1 * { background-color: green } |
| |
| /* Rule to cause subtree recalc on div sibling of #c2 when className set to c2. */ |
| .c2 + div * { background-color: green } |
| |
| </style> |
| <div id="parent"> |
| <div id="c1"> |
| <span>This text should be green</span> |
| <span>This text should be green</span> |
| </div> |
| <div> |
| <span></span> |
| <span></span> |
| </div> |
| <div id="c2"> |
| <span></span> |
| <span></span> |
| </div> |
| <div> |
| <span>This text should be green</span> |
| <span>This text should be green</span> |
| </div> |
| <div> |
| <span></span> |
| <span></span> |
| </div> |
| <div id="x"></div> |
| </div> |
| <script> |
| description("A subtree invalidation should not invalidation sibling forest"); |
| |
| var transparent = "rgba(0, 0, 0, 0)"; |
| var green = "rgb(0, 128, 0)"; |
| |
| var c1Spans = c1.querySelectorAll("span"); |
| shouldBe("getComputedStyle(c1Spans[0]).backgroundColor", "transparent"); |
| shouldBe("getComputedStyle(c1Spans[1]).backgroundColor", "transparent"); |
| |
| var c2Spans = document.querySelectorAll("#c2 + div span"); |
| shouldBe("getComputedStyle(c2Spans[0]).backgroundColor", "transparent"); |
| shouldBe("getComputedStyle(c2Spans[1]).backgroundColor", "transparent"); |
| |
| document.body.offsetTop; // force recalc |
| |
| c1.className = "c1"; |
| |
| if (window.internals) |
| shouldBe("internals.updateStyleAndReturnAffectedElementCount()", "3"); |
| shouldBe("getComputedStyle(c1Spans[0]).backgroundColor", "green"); |
| shouldBe("getComputedStyle(c1Spans[1]).backgroundColor", "green"); |
| |
| document.body.offsetTop; // force recalc |
| |
| c2.className = "c2"; |
| |
| if (window.internals) |
| shouldBe("internals.updateStyleAndReturnAffectedElementCount()", "3"); |
| shouldBe("getComputedStyle(c2Spans[0]).backgroundColor", "green"); |
| shouldBe("getComputedStyle(c2Spans[1]).backgroundColor", "green"); |
| |
| </script> |
