| <!DOCTYPE html> |
| <script src="../../../resources/js-test.js"></script> |
| <style> |
| .a1 #b1 { background-color: green } |
| .a2 div + #b2 { background-color: green } |
| </style> |
| <div id="t1"> |
| <div></div> |
| <div id="b1"></div> |
| </div> |
| <div id="t2"> |
| <div></div> |
| <div id="b2"></div> |
| </div> |
| <script> |
| description("Check that targeted class invalidation works for id selectors."); |
| |
| var transparent = "rgba(0, 0, 0, 0)"; |
| var green = "rgb(0, 128, 0)"; |
| |
| var b1 = document.getElementById("b1"); |
| var b2 = document.getElementById("b2"); |
| |
| shouldBe("getComputedStyle(b1, null).backgroundColor", "transparent"); |
| shouldBe("getComputedStyle(b2, null).backgroundColor", "transparent"); |
| |
| document.body.offsetTop; // Force style recalc. |
| |
| document.getElementById("t1").className = "a1"; |
| if (window.internals) |
| shouldBe("internals.updateStyleAndReturnAffectedElementCount()", "1"); |
| shouldBe("getComputedStyle(b1, null).backgroundColor", "green"); |
| |
| document.body.offsetLeft; // force style recalc. |
| |
| document.getElementById("t2").className = "a2"; |
| if (window.internals) |
| shouldBe("internals.updateStyleAndReturnAffectedElementCount()", "1"); |
| shouldBe("getComputedStyle(b2, null).backgroundColor", "green"); |
| |
| </script> |
