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Bug 1632773 [wpt PR 23222] - FindKeyframesRules should use originating element., a=testonly 

Automatic update from web-platform-tests
FindKeyframesRules should use originating element.

It's only using the TreeScope to find @keyframes in which case using the
originating element for pseudo elements should work. Even better when
the originating element is a shadow host, so that we look up :host rules
from the shadow tree for :host::before { animation-name: anim }.

Bug: 961941
Change-Id: I38edec156eaaa7cfb3680762b135323deae00a68
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2162988
Reviewed-by: Anders Hartvoll Ruud <andruud@chromium.org>
Commit-Queue: Rune Lillesveen <futhark@chromium.org>
Cr-Commit-Position: refs/heads/master@{#762791}

--

wpt-commits: 245ed57a5e400fff2dc4adbf8e452d64397399cd
wpt-pr: 23222
This commit is contained in:
Rune Lillesveen 2020-04-28 11:45:33 +00:00 коммит произвёл moz-wptsync-bot
Родитель 7662d19d08
Коммит 9a87c19720
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29
testing/web-platform/tests/css/css-scoping/keyframes-006.html Normal file
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<!doctype html>
<title>CSS Test: @keyframes applies to :host::before/::after.</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<link rel="help" href="https://drafts.csswg.org/css-scoping/#shadow-names">
<div id="host"></div>
<script>
test(function() {
host.attachShadow({ mode: "open" }).innerHTML = `
<style>
@keyframes myanim {
from { background: red; }
to { background: green; }
}
:host::before, :host::after {
content: "";
display: block;
width: 100px;
height: 100px;
background: blue;
animation: myanim 10s infinite step-end;
}
</style>
`;
assert_equals(getComputedStyle(document.getElementById('host'), "::before").backgroundColor, "rgb(255, 0, 0)");
assert_equals(getComputedStyle(document.getElementById('host'), "::after").backgroundColor, "rgb(255, 0, 0)");
}, "@keyframes applies to the shadow host");
</script>