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<meta charset="utf-8">
<title>CSS Backgrounds and Borders Module Level 3: parsing border-width with invalid values</title>
<link rel="author" title="Eric Willigers" href="mailto:ericwilligers@chromium.org">
<link rel="help" href="https://drafts.csswg.org/css-backgrounds/#border-width">
<meta name="assert" content="border-width supports only the grammar '<line-width>{1,4}'.">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/css/support/parsing-testcommon.js"></script>
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<script>
test_invalid_value("border-width", "none");
test_invalid_value("border-width", "thin medium thick medium thin");
test_invalid_value("border-width", "-1px");
</script>
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