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Diffstat (limited to 'testing/web-platform/tests/css/css-scoping/host-functional-descendant-invalidation.html')
| -rw-r--r-- | testing/web-platform/tests/css/css-scoping/host-functional-descendant-invalidation.html | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-scoping/host-functional-descendant-invalidation.html b/testing/web-platform/tests/css/css-scoping/host-functional-descendant-invalidation.html new file mode 100644 index 0000000000..b9f1329a95 --- /dev/null +++ b/testing/web-platform/tests/css/css-scoping/host-functional-descendant-invalidation.html @@ -0,0 +1,22 @@ +<!doctype html> +<title>CSS Test: element style is correctly updated for rule with :host(..)</title> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<link rel="author" title="Emilio Cobos Álvarez" href="mailto:emilio@crisal.io"> +<link rel="help" href="https://drafts.csswg.org/css-scoping/#host-selector"> +<div id="host"><div id="slotted"></div></div> +<script> +test(function() { + let root = host.attachShadow({ mode: "open" }); + root.innerHTML = ` + <style> + :host ::slotted(div) { width: 100px; height: 100px; background: red; } + :host(.foo) ::slotted(div) { background: green; } + </style> + <slot></slot> + `; + assert_equals(getComputedStyle(slotted).backgroundColor, "rgb(255, 0, 0)"); + host.classList.add('foo'); + assert_equals(getComputedStyle(slotted).backgroundColor, "rgb(0, 128, 0)"); +}); +</script> |