ycd-reader 0.1.0

A Rust library for random-access and sequential reading of y-cruncher YCD digit files
Documentation 
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mod common;

use common::{
    collect_single, collect_single_prefix, golden_digits, one_million_path, two_million_path,
};

#[test]
fn individual_real_files_match_the_three_million_digit_golden_file() {
    let golden = golden_digits();
    let unit_sizes = [19, 257, 8191];

    for (block_id, unit_size) in unit_sizes.into_iter().enumerate() {
        let actual = collect_single(one_million_path(block_id), unit_size).unwrap();
        let start = block_id * 1_000_000;
        assert_eq!(actual, golden[start..start + 1_000_000]);
    }

    let first_two_million = collect_single(two_million_path(0), 20).unwrap();
    assert_eq!(first_two_million, golden[..2_000_000]);

    let third_million = collect_single_prefix(two_million_path(1), 65_537, 1_000_000).unwrap();
    assert_eq!(third_million, golden[2_000_000..]);
}