Add parsing benchmark

Cargo.toml

@@ -40,3 +40,8 @@ doc-comment = "0.3"
 rstest = "0.17"
 rstest_reuse = "0.5"
 anyhow = "1"
+criterion = "0.5"
+
+[[bench]]
+name = "parsing"
+harness = false

benches/parsing.rs

@@ -0,0 +1,29 @@
+use criterion::{black_box, criterion_group, criterion_main, BenchmarkId, Criterion};
+
+pub fn criterion_benchmark(c: &mut Criterion) {
+    let cases = [
+        "+80012340000",
+        "+61406823897",
+        "+611900123456",
+        "+32474091150",
+        "+34666777888",
+        "+34612345678",
+        "+441212345678",
+        "+13459492311",
+        "+16137827274",
+        "+1 520 878 2491",
+        "+1-520-878-2491",
+    ];
+
+    for case in cases {
+        c.bench_with_input(BenchmarkId::new("parse", case), &case, |b, case| {
+            b.iter(|| {
+                let pn = black_box(case);
+                phonenumber::parse(None, pn)
+            })
+        });
+    }
+}
+
+criterion_group!(benches, criterion_benchmark);
+criterion_main!(benches);