 allowed');

test_specified_maps(function(map){
    verify_map_no_append(map, generate_property('<image>+'), 'url(a)');
}, 'Appending a string to <image>+ is not allowed');

test_specified_maps(function(map){
    verify_map_no_append(map, generate_property('<integer>+'), 'a');
}, 'Appending a string to <integer>+ is not allowed');

test_specified_maps(function(map){
    verify_map_no_append(map, generate_property('<length-percentage>+'), 'calc(10*% + 10px)');
}, 'Appending a string to <length-percentage>+ i