#![no_main]

use anyhow::Result;

use gix_commitgraph::File;

use libfuzzer_sys::fuzz_target;

use std::hint::black_box;

fn fuzz(data: &[u8]) -> Result<()> {

    let data = {

        let mut d = memmap2::MmapMut::map_anon(data.len())?;

        d.copy_from_slice(data);

        d.make_read_only()?

    };

    let file = File::new(data, "does not matter".into())?;

    _ = black_box(file.iter_base_graph_ids().count());

    _ = black_box(file.iter_commits().count());

    _ = black_box(file.iter_ids().count());

    let _ = black_box(file.checksum());

    let _ = black_box(file.verify_checksum());

    let _ = black_box(file.object_hash());

    Ok(())

}

fuzz_target!(|data: &[u8]| {

    _ = black_box(fuzz(data));

});