use criterion::{criterion_group, criterion_main, Criterion, black_box};
use ethernet::Ethernet2Header;

fn criterion_benchmark(c: &mut Criterion) {
    let ethernet_header_bytes: [u8; Ethernet2Header::HEADER_LENGTH] = [
        0x00, 0x80, 0x41, 0xff, 0xf0, 0x0d, 0x00, 0x80, 0x41, 0xba, 0xbe, 0xff, 0x86, 0xdd,
    ];
    c.bench_function("read_ethernet_header", |b| {
        b.iter(|| {
            let _ = Ethernet2Header::from_fixed_bytes(black_box(ethernet_header_bytes));
        })
    });
    let ethernet_header = Ethernet2Header::from_bytes(&ethernet_header_bytes).unwrap();
    c.bench_function("write_ethernet_header", |b| {
        b.iter(|| {
            let _ = black_box(ethernet_header).to_fixed_bytes();
        })
    });
}

criterion_group!(benches, criterion_benchmark);
criterion_main!(benches);