css/css-variables/var-parsing.html

<!DOCTYPE html>
<title>CSS Custom Properties: var() parsing</title>
<link rel="help" href="https://drafts.csswg.org/css-variables">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/css/support/parsing-testcommon.js"></script>
<div id="target"></div>

<script>

test_valid_value('width', 'var(--x)');
test_valid_value('width', 'var(--x,)');
test_valid_value('width', 'var(--x, )');

test_invalid_value('width', 'var(--x ())');
test_invalid_value('width', 'var(--x () )');
test_invalid_value('width', 'var(--x() )');
test_invalid_value('width', 'var(--x (),)');
test_invalid_value('width', 'var(--x(),)');

</script>