You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: password.rs
    path of file: ./repos/mundane/src
    
    the code of the file until where you have to start completion: // Copyright 2018 Google LLC
//
// Use of this source code is governed by an MIT-style
// license that can be found in the LICENSE file or at
// https://opensource.org/licenses/MIT.

//! Password verification.

/// The scrypt password hashing function.
///
/// scrypt was orig
    
        fn test_scrypt() {
            for _ in 0..16 {
                let mut pass = [0; 128];
                boringssl::rand_bytes(&mut pass);
                // target 1 second of execution for this test on a laptop
                let mut params = SCRYPT_PARAMS_LAPTOP;
                params.N /= 4;
                let hash = scrypt_generate(&pass, &params);
                assert!(scrypt_verify(&pass, &hash), "pass: {:?}, hash: {:?}", &pass[..], hash);
            }
        }