From 0ab97077ca22a87a2e3494a9be3e4ce95033c775 Mon Sep 17 00:00:00 2001
From: Paul Dicker <paul@pitdicker.nl>
Date: Sat, 8 Jul 2023 17:20:04 +0200
Subject: [PATCH] Add benchmark for `DateTime::format_with`

---
 benches/chrono.rs | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/benches/chrono.rs b/benches/chrono.rs
index 3f74923af2..4034ef2686 100644
--- a/benches/chrono.rs
+++ b/benches/chrono.rs
@@ -161,6 +161,22 @@ fn bench_parse_strftime_localized(c: &mut Criterion) {
     });
 }
 
+fn bench_format_to_string(c: &mut Criterion) {
+    let dt = Local::now();
+    c.bench_function("bench_format_to_string", |b| {
+        b.iter(|| black_box(dt).format_to_string("%Y-%m-%dT%H:%M:%S%.f%:z"))
+    });
+}
+
+fn bench_format_with(c: &mut Criterion) {
+    let dt = Local::now();
+    let fmt_items: Vec<_> = StrftimeItems::new("%Y-%m-%dT%H:%M:%S%.f%:z").collect();
+    let formatter = DateTime::formatter(&fmt_items).unwrap();
+    c.bench_function("bench_format_with", |b| {
+        b.iter(|| format!("{}", black_box(dt).format_with(&formatter)))
+    });
+}
+
 fn bench_format(c: &mut Criterion) {
     let dt = Local::now();
     c.bench_function("bench_format", |b| {
@@ -209,6 +225,8 @@ criterion_group!(
     bench_get_local_time,
     bench_parse_strftime,
     bench_format,
+    bench_format_to_string,
+    bench_format_with,
     bench_format_with_items,
     bench_format_manual,
 );