 40px, smooth by 20px 20px with 12px 32px)");

test_computed_value("clip-path", "shape(from 20px 40px, arc by 20px 20px of 10%)");
test_computed_value("clip-path", "shape(from 20px 40px, arc by 20px 20px of 0)", "shape(from 20px 40px, arc by 20px 20px of 0px)");
test_computed_value("clip-path", "shape(from 20px 40px, arc by 20px 20px of 10% 0)", "shape(from 20px 40px, arc by 20px 20px of 10% 0px)");
test_computed_value("clip-path", "shape(from 20px 40px, arc by 20px 20px of 10% rotate 0deg)", "shape(from 20