1*d1ef47cfSRain Liu #[cfg(test)] 2*d1ef47cfSRain Liu mod tests { 3*d1ef47cfSRain Liu #[test] 4*d1ef47cfSRain Liu fn it_works() { 5*d1ef47cfSRain Liu assert_eq!(2 + 2, 4); 6*d1ef47cfSRain Liu } 7*d1ef47cfSRain Liu } 8