diff options
Diffstat (limited to 'testing/web-platform/tests/css/css-scoping/shadow-host-removal-invalidation.html')
| -rw-r--r-- | testing/web-platform/tests/css/css-scoping/shadow-host-removal-invalidation.html | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-scoping/shadow-host-removal-invalidation.html b/testing/web-platform/tests/css/css-scoping/shadow-host-removal-invalidation.html new file mode 100644 index 0000000000..6daa635fa6 --- /dev/null +++ b/testing/web-platform/tests/css/css-scoping/shadow-host-removal-invalidation.html @@ -0,0 +1,21 @@ +<!doctype html> +<title>CSS Test: Invalidation of :host selectors</title> +<link rel="author" title="Emilio Cobos Álvarez" href="mailto:emilio@crisal.io"> +<link rel="author" title="Mozilla" href="https://mozilla.org"> +<link rel="help" href="https://drafts.csswg.org/css-scoping/#host-selector"> +<link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1499603"> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<div id="host" style="color: green"></div> +<script> +host.attachShadow({ mode: "open" }).innerHTML = ` + <style> + :host { color: red !important } + </style> +`; +test(function() { + assert_equals(getComputedStyle(host).color, "rgb(255, 0, 0)"); + host.shadowRoot.querySelector("style").remove(); + assert_equals(getComputedStyle(host).color, "rgb(0, 128, 0)"); +}, ":host rules are properly invalidated when stylesheets are removed"); +</script> |