<!doctype html>
<title>CSS Test: @keyframes applies in the shadow tree.</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<link rel="author" title="Emilio Cobos Álvarez" href="mailto:[email protected]">
<link rel="help" href="https://drafts.csswg.org/css-scoping/#selectors-data-model">
<style>
#in-document {
width: 100px;
height: 100px;
background: blue;
animation: myanim 10s infinite;
}
</style>
<div id="host"><div id="in-document"></div></div>
<script>
test(function() {
host.attachShadow({ mode: "open" }).innerHTML = `
<style>
@keyframes myanim {
from { background: red; }
to { background: green; }
}
#in-shadow {
width: 100px;
height: 100px;
background: blue;
animation: myanim 10s infinite;
}
</style>
<slot></slot>
<div id="in-shadow"></div>
`;
assert_equals(document.getElementById('in-document').getAnimations().length, 0);
assert_equals(host.shadowRoot.getElementById('in-shadow').getAnimations().length, 1);
}, "@keyframes applies in the shadow tree")
</script>