_value("clip-path", "shape(from 20px 40px, line to 20px 30px)");
test_computed_value("clip-path", "shape(from 20px 40px, line to 20px 30px )", "shape(from 20px 40px, line to 20px 30px)");
test_computed_value("clip-path", "shape(from 0 0, line to 100% 100%)", "shape(from 0px 0px, line to 100% 100%)");

test_computed_value("clip-path", "shape(from 20px 40px, move to 20px 30px, line by 20px 30px)");
test_computed_value("clip-path", "shape(from 20px 40px, move to 20px 30px, hline to 100px)");
test_computed_valu