| <!DOCTYPE html> |
| <script src="../../../resources/js-test.js"></script> |
| <div id="host1"></div> |
| <div id="host2"></div> |
| <div id="host3" class="c3"></div> |
| <div id="host4"></div> |
| <script> |
| description("Check that targeted class invalidation works with the :host pseudo class."); |
| |
| // Create shadow trees |
| |
| var host1 = document.getElementById("host1"); |
| host1.createShadowRoot().innerHTML = "<style>:host(.c1) { background-color: green }</style><div></div><div></div><div></div><div></div><div></div>"; |
| |
| var host2 = document.getElementById("host2"); |
| host2.createShadowRoot().innerHTML = '<style>:host(.c2) .inner { background-color: green }</style><div></div><div></div><div></div><div><span id="inner" class="inner"></span></div>'; |
| |
| var host3 = document.getElementById("host3"); |
| host3.createShadowRoot().innerHTML = "<style>:host(#host3:not(.c3)) { background-color: green }</style><div></div><div></div><div></div><div></div>"; |
| |
| var host4 = document.getElementById("host4"); |
| host4.createShadowRoot().innerHTML = "<style>:host(.nomatch, .c4) { background-color: green }</style><div></div><div></div><div></div><div></div>"; |
| |
| var transparent = "rgba(0, 0, 0, 0)"; |
| var green = "rgb(0, 128, 0)"; |
| |
| var inner = host2.shadowRoot.getElementById("inner"); |
| |
| shouldBe("getComputedStyle(host1, null).backgroundColor", "transparent"); |
| shouldBe("getComputedStyle(inner, null).backgroundColor", "transparent"); |
| shouldBe("getComputedStyle(host3, null).backgroundColor", "transparent"); |
| shouldBe("getComputedStyle(host4, null).backgroundColor", "transparent"); |
| |
| document.body.offsetLeft; // force style recalc. |
| |
| host1.className = "c1"; |
| if (window.internals) |
| shouldBe("internals.updateStyleAndReturnAffectedElementCount()", "1"); |
| shouldBe("getComputedStyle(host1, null).backgroundColor", "green"); |
| |
| document.body.offsetLeft; // force style recalc. |
| |
| host2.className = "c2"; |
| if (window.internals) |
| shouldBe("internals.updateStyleAndReturnAffectedElementCount()", "1"); |
| shouldBe("getComputedStyle(inner, null).backgroundColor", "green"); |
| |
| document.body.offsetLeft; // force style recalc. |
| |
| host3.className = ""; |
| if (window.internals) |
| shouldBe("internals.updateStyleAndReturnAffectedElementCount()", "1"); |
| shouldBe("getComputedStyle(host3, null).backgroundColor", "green"); |
| |
| document.body.offsetLeft; // force style recalc. |
| |
| host4.className = "c4"; |
| if (window.internals) |
| shouldBe("internals.updateStyleAndReturnAffectedElementCount()", "1"); |
| shouldBe("getComputedStyle(host4, null).backgroundColor", "green"); |
| |
| </script> |
