 50% 0%)");
test_valid_value("shape-outside", "circle(at top center)","circle(at 50% 0%)");
test_valid_value("shape-outside", "circle(at top 0% right calc(10% * sign(1em - 1px)))", "circle(at calc(100% - (10% * sign(1em - 1px))) 0%)");
test_valid_value("shape-outside", "circle(at top 0% right calc(10% * sibling-index()))", "circle(at calc(100% - (10% * sibling-index())) 0%)");
</script>
</body>
</html>
