swc/crates/swc_html_parser/benches/lexer.rs

extern crate swc_node_base;

use criterion::{black_box, criterion_group, criterion_main, Bencher, Criterion};
use swc_common::{input::StringInput, FileName};
use swc_html_parser::lexer::Lexer;

fn bench_lexer(b: &mut Bencher, src: &'static str) {
    let _ = ::testing::run_test(false, |cm, _| {
        let fm = cm.new_source_file(FileName::Anon, src.into());

        b.iter(|| {
            let lexer = Lexer::new(StringInput::from(&*fm));

            for t in lexer {
                black_box(t);
            }
        });

        Ok(())
    });
}

fn bench_files(c: &mut Criterion) {
    c.bench_function("html/lexer/css_2021_spec", |b| {
        bench_lexer(b, include_str!("./files/css_2021_spec.html"))
    });

    c.bench_function("html/lexer/github_com_17_05_2022", |b| {
        bench_lexer(b, include_str!("./files/github_com_17_05_2022.html"))
    });

    c.bench_function("html/lexer/stackoverflow_com_17_05_2022", |b| {
        bench_lexer(b, include_str!("./files/stackoverflow_com_17_05_2022.html"))
    });
}

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