| <!doctype html> |
| <title>CSS Test: Style invalidation for ::slotted()</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <link rel="author" title="Rune Lillesveen" href="mailto:futhark@chromium.org"> |
| <link rel="author" title="Emilio Cobos Álvarez" href="mailto:emilio@crisal.io"> |
| <link rel="help" href="https://drafts.csswg.org/css-scoping/#slotted-pseudo"> |
| <div id="host"> |
| <div> |
| <span></span> |
| <span></span> |
| </div> |
| <div id="slotted"> |
| <span></span> |
| <span></span> |
| </div> |
| <div> |
| <span></span> |
| <span></span> |
| </div> |
| </div> |
| <script> |
| test(function() { |
| var root = host.attachShadow({"mode":"open"}); |
| root.innerHTML = '<style>.outer ::slotted(#slotted) { background-color: red } .outer .inner::slotted(#slotted) { background-color: green }</style><div id="outer"><slot id="inner"></slot></div>'; |
| |
| assert_equals(window.getComputedStyle(slotted).backgroundColor, "rgba(0, 0, 0, 0)"); |
| |
| root.querySelector("#outer").className = "outer"; |
| assert_equals(window.getComputedStyle(slotted).backgroundColor, "rgb(255, 0, 0)"); |
| |
| root.querySelector("#inner").className = "inner"; |
| assert_equals(window.getComputedStyle(slotted).backgroundColor, "rgb(0, 128, 0)"); |
| }) |
| </script> |