x(10));
}, 'CSSUnitValue rejected by set() for syntax <length-percentage>');

test_specified_maps(function(map){
    verify_map_not_set(map, generate_property('<length>'), CSS.px(10));
}, 'CSSUnitValue rejected by set() for syntax <length>');

test_specified_maps(function(map){
    verify_map_not_set(map, generate_property('<number>'), CSS.number(10));
}, 'CSSUnitValue rejected by set() for syntax <number>');

test_specified_maps(function(map){
    verify_map_not_set(map, generate_property('<percentage>'), 