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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /testing/web-platform/tests/css/css-cascade/revert-val-006.html
parentInitial commit. (diff)
downloadfirefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz
firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+<!DOCTYPE html>
+<title>CSS Cascade: 'revert' keyword in keyframe animations</title>
+<link rel="help" href="https://drafts.csswg.org/css-cascade/#default">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<style>
+ @keyframes test {
+ from { margin-top: 0px; }
+ 50% { margin-top: revert; }
+ to { margin-top: 0px; }
+ }
+ #h1 {
+ margin-top: 0px;
+ animation: test linear 1000s -500s;
+ }
+</style>
+<h1 id=h1></h1>
+<h1 id=ref></h1>
+<script>
+ test(function() {
+ let actual = getComputedStyle(h1).marginTop;
+ let expected = getComputedStyle(ref).marginTop;
+ // This test assumes that the UA style sheet sets a non-0px value on
+ // <h1> elements:
+ assert_not_equals(expected, '0px');
+ assert_equals(actual, expected);
+ }, 'The revert keyword works with @keyframes');
+</script>