// Copyright 2020 Parity Technologies (UK) Ltd.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
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//
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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use criterion::{black_box, criterion_group, criterion_main, Criterion};
use libp2p_identity::{Keypair, PeerId};

fn from_bytes(c: &mut Criterion) {
    let peer_id_bytes = Keypair::generate_ed25519().public().to_peer_id().to_bytes();

    c.bench_function("from_bytes", |b| {
        b.iter(|| {
            black_box(PeerId::from_bytes(&peer_id_bytes).unwrap());
        })
    });
}

fn clone(c: &mut Criterion) {
    let peer_id = Keypair::generate_ed25519().public().to_peer_id();

    c.bench_function("clone", |b| {
        b.iter(|| {
            black_box(peer_id);
        })
    });
}

fn sort_vec(c: &mut Criterion) {
    let peer_ids: Vec<_> = (0..100)
        .map(|_| Keypair::generate_ed25519().public().to_peer_id())
        .collect();

    c.bench_function("sort_vec", |b| {
        b.iter(|| {
            let mut peer_ids = peer_ids.clone();
            peer_ids.sort_unstable();
            black_box(peer_ids);
        })
    });
}

criterion_group!(peer_id, from_bytes, clone, sort_vec);
criterion_main!(peer_id);
