tests.rs - mozsearch

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// Copyright 2023 Cryspen Sarl

//

// Licensed under the Apache License, Version 2.0 (the "License");

// you may not use this file except in compliance with the License.

// You may obtain a copy of the License at

//

//     http://www.apache.org/licenses/LICENSE-2.0

pub fn simple<

    const OUTPUT_LEN: usize,

    IncrementalState,

    HashImplementation: super::arrayref::DigestIncremental<OUTPUT_LEN, IncrementalState = IncrementalState>

        + super::arrayref::Hash<OUTPUT_LEN>,

>(

    // provide the state, since not all states currently implement `Default`

    state: IncrementalState,

) {

    let payload = &[1, 2, 3, 4, 5];

    // oneshot API

    let mut digest_oneshot = [0u8; OUTPUT_LEN];

    HashImplementation::hash(&mut digest_oneshot, payload).unwrap();

    // incremental API

    let mut digest_incremental = [0u8; OUTPUT_LEN];

    let mut hasher = super::Hasher::<OUTPUT_LEN, HashImplementation> { state };

    hasher.update(payload).unwrap();

    hasher.finish(&mut digest_incremental);

    // ensure same

    assert_eq!(digest_oneshot, digest_incremental);