;
test_invalid_percentage('min(1% 2%)');
test_invalid_percentage('min(1%, , 2%)');
test_invalid_percentage('max()');
test_invalid_percentage('max( )');
test_invalid_percentage('max(,)');
test_invalid_percentage('max(1#)');
test_invalid_percentage('max(%1)');
test_invalid_percentage('max(1%, )');
test_invalid_percentage('max(, 1%)');
test_invalid_percentage('max(1% + )');
test_invalid_percentage('max(1% - )');
test_invalid_percentage('max(1% * )');
test_invalid_percentage('max(1% / )');
test_invalid_percenta