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use arbitrary::{Arbitrary, Unstructured};
use criterion::{black_box, criterion_group, criterion_main, Criterion};
use wasm_smith::Module;
pub fn benchmark_corpus(c: &mut Criterion) {
let mut corpus = Vec::with_capacity(2000);
let entries = std::fs::read_dir("./benches/corpus").expect("failed to read dir");
for e in entries {
let e = e.expect("failed to read dir entry");
let seed = std::fs::read(e.path()).expect("failed to read seed file");
corpus.push(seed);
}
// Benchmark how long it takes to generate a module for every seed in our
// corpus (taken from the `validate` fuzz target).
c.bench_function("corpus", |b| {
b.iter(|| {
for seed in &corpus {
let seed = black_box(seed);
let mut u = Unstructured::new(seed);
let result = Module::arbitrary(&mut u);
let _ = black_box(result);
}
})
});
}
criterion_group!(benches, benchmark_corpus);
criterion_main!(benches);