Adding upstream version 86.0.1.upstream/86.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 19 insertions, 0 deletions

diff --git a/third_party/rust/mime/benches/fmt.rs b/third_party/rust/mime/benches/fmt.rs
new file mode 100644
index 0000000000..106de1a1e6
--- /dev/null
+++ b/third_party/rust/mime/benches/fmt.rs
@@ -0,0 +1,19 @@
+#![feature(test)]
+
+extern crate mime;
+extern crate test;
+
+use test::Bencher;
+
+#[bench]
+fn bench_fmt(b: &mut Bencher) {
+    use std::fmt::Write;
+    let mime = ::mime::TEXT_PLAIN_UTF_8;
+    b.bytes = mime.to_string().as_bytes().len() as u64;
+    let mut s = String::with_capacity(64);
+    b.iter(|| {
+        let _ = write!(s, "{}", mime);
+        ::test::black_box(&s);
+        unsafe { s.as_mut_vec().set_len(0); }
+    })
+}