Switch from criterion to bencher

Cargo.toml

@@ -13,7 +13,7 @@ categories = ["network-programming", "cryptography"]
 base64 = "0.21"
 
 [dev-dependencies]
-criterion = "0.3"
+bencher = "0.1.5"
 
 [[bench]]
 name = "benchmark"

benches/benchmark.rs

@@ -1,24 +1,14 @@
-use criterion::{criterion_group, criterion_main, Criterion};
 use std::io::BufReader;
 
-#[test]
-fn test_certs() {}
+use bencher::{benchmark_group, benchmark_main, Bencher};
 
-fn parse_cert() {
-    let data = include_bytes!("../tests/data/certificate.chain.pem");
-    let mut reader = BufReader::new(&data[..]);
-
-    assert_eq!(
-        rustls_pemfile::certs(&mut reader)
-            .unwrap()
-            .len(),
-        3
-    );
-}
-
-fn criterion_benchmark(c: &mut Criterion) {
-    c.bench_function("parse cert chain", |b| b.iter(|| parse_cert()));
+fn criterion_benchmark(c: &mut Bencher) {
+    c.iter(|| {
+        let data = include_bytes!("../tests/data/certificate.chain.pem");
+        let mut reader = BufReader::new(&data[..]);
+        assert_eq!(rustls_pemfile::certs(&mut reader).unwrap().len(), 3);
+    });
 }
 
-criterion_group!(benches, criterion_benchmark);
-criterion_main!(benches);
+benchmark_group!(benches, criterion_benchmark);
+benchmark_main!(benches);