<!DOCTYPE html>
<link rel="help" href="https://drafts.csswg.org/css-inline-3/#leading-trim">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/css/support/parsing-testcommon.js"></script>

<script>
test_valid_value('text-box-trim', 'none');
test_valid_value('text-box-trim', 'start');
test_valid_value('text-box-trim', 'end');
test_valid_value('text-box-trim', 'both');
</script>
