<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>CSS Logical Properties and Values: parsing border-block-width with invalid values</title>
<link rel="help" href="https://drafts.csswg.org/css-logical/#propdef-border-block-width">
<meta name="assert" content="border-block-width supports only the grammar '<line-width>{1,2}'.">
<meta name="assert" content="Negative lengths are not allowed.">
  <script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/css/support/parsing-testcommon.js"></script>
</head>
<body>
<script>
test_invalid_value("border-block-start-width", "-20px");
test_invalid_value("border-block-start-width", "auto");
test_invalid_value("border-block-start-width", "medium 40px");
test_invalid_value("border-block-end-width", "10");
test_invalid_value("border-block-end-width", "30%");

test_invalid_value("border-block-width", "thick, thin");
test_invalid_value("border-block-width", "10px 20px 30px");
</script>
</body>
</html>
