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<head>
<meta charset="utf-8">
<title>CSS Transitions: parsing transition-timing-function with valid values</title>
<link rel="help" href="https://drafts.csswg.org/css-transitions/#propdef-transition-timing-function">
<link rel="help" href="https://drafts.csswg.org/css-easing-1/#typedef-timing-function">
<meta name="assert" content="transition-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("transition-timing-function", "linear");
test_valid_value("transition-timing-function", "linear(0 0%, 0.5 50%, 1 100%)");
test_valid_value("transition-timing-function", "linear(0 0%, 10 10%, 10 50%, 25.4 75%, 100 100%)");
test_valid_value("transition-timing-function", "linear(0 0%, 1 100%)");

test_valid_value("transition-timing-function", "ease");
test_valid_value("transition-timing-function", "ease-in");
test_valid_value("transition-timing-function", "ease-out");
test_valid_value("transition-timing-function", "ease-in-out");
test_valid_value("transition-timing-function", "cubic-bezier(0.1, 0.2, 0.8, 0.9)");
test_valid_value("transition-timing-function", "cubic-bezier(0, -2, 1, 3)");
test_valid_value("transition-timing-function", "cubic-bezier(0, 0.7, 1, 1.3)");

test_valid_value("transition-timing-function", "step-start", "steps(1, start)");
test_valid_value("transition-timing-function", "step-end", "steps(1)");
test_valid_value("transition-timing-function", "steps(4)");
test_valid_value("transition-timing-function", "steps(4, start)");
test_valid_value("transition-timing-function", "steps(2, end)", "steps(2)");
test_valid_value("transition-timing-function", "steps(2, jump-start)");
test_valid_value("transition-timing-function", "steps(2, jump-end)", "steps(2)");
test_valid_value("transition-timing-function", "steps(2, jump-both)");
test_valid_value("transition-timing-function", "steps(2, jump-none)");

test_valid_value("transition-timing-function", "linear, ease, linear");
</script>
</body>
</html>
