| <!doctype html> |
| <link rel="href" href="https://mozilla.org" title="Mozilla"> |
| <link rel="author" href="mailto:emilio@crisal.io" title="Emilio Cobos Álvarez"> |
| <link rel="help" href="https://drafts.csswg.org/css-scoping/#slotted-pseudo"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <div id="host"><p>This text should be green</p></div> |
| <script> |
| let shadow = host.attachShadow({ mode: "open" }); |
| shadow.innerHTML = ` |
| <style> |
| /* This is not expected to match */ |
| .container ::slotted(p) { |
| color: red !important; |
| } |
| |
| /* This _is_ expected to match */ |
| #nested ::slotted(p) { |
| background-color: green; |
| } |
| </style> |
| <div id="nested"><slot></slot></div> |
| `; |
| |
| let nested = shadow.querySelector("#nested").attachShadow({ mode: "open" }); |
| nested.innerHTML = ` |
| <style> |
| .container ::slotted(p) { |
| color: green; |
| } |
| </style> |
| <div class="container"> |
| <slot></slot> |
| </div> |
| `; |
| |
| let p = document.querySelector("p"); |
| test(function() { |
| assert_equals(getComputedStyle(p).color, "rgb(0, 128, 0)"); |
| assert_equals(getComputedStyle(p).backgroundColor, "rgb(0, 128, 0)"); |
| }, "Slotted matches rules against the slot in the right tree"); |
| test(function() { |
| nested.querySelector(".container").classList.remove("container"); |
| assert_not_equals(getComputedStyle(p).color, "rgb(0, 128, 0)"); |
| |
| nested.host.removeAttribute("id"); |
| assert_not_equals(getComputedStyle(p).backgroundColor, "rgb(0, 128, 0)"); |
| }, "Style invalidation works correctly for nested slots"); |
| </script> |
