summaryrefslogtreecommitdiffstats
path: root/vendor/humantime-1.3.0/benches/datetime_format.rs
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
commit698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch)
tree173a775858bd501c378080a10dca74132f05bc50 /vendor/humantime-1.3.0/benches/datetime_format.rs
parentInitial commit. (diff)
downloadrustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz
rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'vendor/humantime-1.3.0/benches/datetime_format.rs')
-rw-r--r--vendor/humantime-1.3.0/benches/datetime_format.rs58
1 files changed, 58 insertions, 0 deletions
diff --git a/vendor/humantime-1.3.0/benches/datetime_format.rs b/vendor/humantime-1.3.0/benches/datetime_format.rs
new file mode 100644
index 000000000..7f6dca79c
--- /dev/null
+++ b/vendor/humantime-1.3.0/benches/datetime_format.rs
@@ -0,0 +1,58 @@
+#![feature(test)]
+extern crate chrono;
+extern crate humantime;
+extern crate test;
+
+use std::io::Write;
+use std::time::{Duration, UNIX_EPOCH};
+use humantime::format_rfc3339;
+
+
+#[bench]
+fn rfc3339_humantime_seconds(b: &mut test::Bencher) {
+ let time = UNIX_EPOCH + Duration::new(1483228799, 0);
+ let mut buf = Vec::with_capacity(100);
+ b.iter(|| {
+ buf.truncate(0);
+ write!(&mut buf, "{}", format_rfc3339(time)).unwrap()
+ });
+}
+
+#[bench]
+fn rfc3339_chrono(b: &mut test::Bencher) {
+ use chrono::{DateTime, NaiveDateTime, Utc};
+ use chrono::format::Item;
+ use chrono::format::Item::*;
+ use chrono::format::Numeric::*;
+ use chrono::format::Fixed::*;
+ use chrono::format::Pad::*;
+
+ let time = DateTime::<Utc>::from_utc(
+ NaiveDateTime::from_timestamp(1483228799, 0), Utc);
+ let mut buf = Vec::with_capacity(100);
+
+ // formatting code from env_logger
+ const ITEMS: &'static [Item<'static>] = {
+ &[
+ Numeric(Year, Zero),
+ Literal("-"),
+ Numeric(Month, Zero),
+ Literal("-"),
+ Numeric(Day, Zero),
+ Literal("T"),
+ Numeric(Hour, Zero),
+ Literal(":"),
+ Numeric(Minute, Zero),
+ Literal(":"),
+ Numeric(Second, Zero),
+ Fixed(TimezoneOffsetZ),
+ ]
+ };
+
+
+ b.iter(|| {
+ buf.truncate(0);
+ write!(&mut buf, "{}", time.format_with_items(ITEMS.iter().cloned()))
+ .unwrap()
+ });
+}