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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>CSS Easing: parsing animation-timing-function with valid values</title>
<link rel="help" href="https://drafts.csswg.org/css-easing/#timing-functions">
<meta name="assert" content="animation-timing-function supports the full grammar '<timing-function> #'.">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/css/support/parsing-testcommon.js"></script>
</head>
<body>
<script>
test_valid_value("animation-timing-function", "linear");
test_valid_value("animation-timing-function", "ease");
test_valid_value("animation-timing-function", "ease-in");
test_valid_value("animation-timing-function", "ease-out");
test_valid_value("animation-timing-function", "ease-in-out");
test_valid_value("animation-timing-function", "cubic-bezier(0.1, 0.2, 0.8, 0.9)");
test_valid_value("animation-timing-function", "cubic-bezier(0, -2, 1, 3)");
test_valid_value("animation-timing-function", "cubic-bezier(0, 0.7, 1, 1.3)");
test_valid_value("animation-timing-function", "cubic-bezier(calc(-2), calc(0.7 / 2), calc(1.5), calc(0))", "cubic-bezier(calc(-2), calc(0.35), calc(1.5), calc(0))");
test_valid_value("animation-timing-function", "cubic-bezier(0, sibling-index(), 1, sign(2em - 20px))");
test_valid_value("animation-timing-function", "steps(4, start)");
test_valid_value("animation-timing-function", "steps(2, end)", "steps(2)");
test_valid_value("animation-timing-function", "steps( 2, end )", "steps(2)");
test_valid_value("animation-timing-function", "steps(2, jump-start)");
test_valid_value("animation-timing-function", "steps(2, jump-end)", "steps(2)");
test_valid_value("animation-timing-function", "steps(2, jump-both)");
test_valid_value("animation-timing-function", "steps(2, jump-none)");
test_valid_value("animation-timing-function", "steps(calc(-10), start)");
test_valid_value("animation-timing-function", "steps(calc(5 / 2), start)", "steps(calc(2.5), start)");
test_valid_value("animation-timing-function", "steps(calc(1), jump-none)");
test_valid_value("animation-timing-function", "linear, ease, linear");
test_valid_value("animation-timing-function", "steps(calc(2 + sign(100em - 1px)))");
</script>
</body>
</html>
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