<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>CSS Transitions: parsing transition with invalid values</title>
<link rel="help" href="https://drafts.csswg.org/css-transitions/#transition-shorthand-property">
<meta name="assert" content="transition supports only the grammar '<single-transition> #'.">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/css/support/parsing-testcommon.js"></script>
</head>
<body>
<script>
// <single-transition> = [ none | <single-transition-property> ] ||
// <time> || <easing-function> || <time>
test_invalid_value("transition", "1s 2s 3s");
test_invalid_value("transition", "-1s -2s");

test_invalid_value("transition", "steps(1) steps(2)");

test_invalid_value("transition", "none top");

test_invalid_value("transition", "initial 1s");

</script>
</body>
</html>
