use rand::{RngCore, SeedableRng, ChaChaRng};

pub fn test_rand_cratesio() {
        let seed = [0u8; 32];
        let mut rng = ChaChaRng::from_seed(seed);
        let mut results = [0u8; 32];
        rng.fill_bytes(&mut results);
        let expected = [118, 184, 224, 173, 160, 241, 61, 144,
                        64, 93, 106, 229, 83, 134, 189, 40,
                        189, 210, 25, 184, 160, 141, 237, 26,
                        168, 54, 239, 204, 139, 119, 13, 199];
        assert_eq!(results, expected);
}