e(farthest-side 4% at bottom left)", "ellipse(farthest-side 4% at 0% 100%)");

test_valid_value("clip-path", "polygon(1% 2%)");
test_valid_value("clip-path", "polygon(nonzero, 1px 2px, 3em 4em)", "polygon(1px 2px, 3em 4em)");
test_valid_value("clip-path", "polygon(evenodd, 1px 2px, 3em 4em, 5pt 6%)");

// New supported shape in [css-shapes-2]
// https://drafts.csswg.org/css-shapes-2/#supported-basic-shapes
test_valid_value("clip-path", 'path("m 20 0 h -100")');
test_valid_value("clip-path", 'path(evenodd, "