Adding upstream version 86.0.1.upstream/86.0.1upstream

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

1 files changed, 83 insertions, 0 deletions

diff --git a/third_party/rust/itoa/benches/bench.rs b/third_party/rust/itoa/benches/bench.rs
new file mode 100644
index 0000000000..c3b55000b9
--- /dev/null
+++ b/third_party/rust/itoa/benches/bench.rs
@@ -0,0 +1,83 @@
+#![cfg_attr(feature = "cargo-clippy", allow(cast_lossless))]
+#![feature(test)]
+#![allow(non_snake_case)]
+
+extern crate itoa;
+extern crate test;
+
+macro_rules! benches {
+    (
+        $(
+            $(#[$attr:meta])*
+            $name:ident($value:expr)
+        ),*
+    ) => {
+        mod bench_itoa_write {
+            use test::{Bencher, black_box};
+            $(
+                $(#[$attr])*
+                #[bench]
+                fn $name(b: &mut Bencher) {
+                    use itoa;
+
+                    let mut buf = Vec::with_capacity(40);
+
+                    b.iter(|| {
+                        buf.clear();
+                        itoa::write(&mut buf, black_box($value)).unwrap()
+                    });
+                }
+            )*
+        }
+
+        mod bench_itoa_fmt {
+            use test::{Bencher, black_box};
+            $(
+                $(#[$attr])*
+                #[bench]
+                fn $name(b: &mut Bencher) {
+                    use itoa;
+
+                    let mut buf = String::with_capacity(40);
+
+                    b.iter(|| {
+                        buf.clear();
+                        itoa::fmt(&mut buf, black_box($value)).unwrap()
+                    });
+                }
+            )*
+        }
+
+        mod bench_std_fmt {
+            use test::{Bencher, black_box};
+            $(
+                $(#[$attr])*
+                #[bench]
+                fn $name(b: &mut Bencher) {
+                    use std::io::Write;
+
+                    let mut buf = Vec::with_capacity(40);
+
+                    b.iter(|| {
+                        buf.clear();
+                        write!(&mut buf, "{}", black_box($value)).unwrap()
+                    });
+                }
+            )*
+        }
+    }
+}
+
+benches!{
+    bench_u64_0(0u64),
+    bench_u64_half(<u32>::max_value() as u64),
+    bench_u64_max(<u64>::max_value()),
+
+    bench_i16_0(0i16),
+    bench_i16_min(<i16>::min_value()),
+
+    #[cfg(feature = "i128")]
+    bench_u128_0(0u128),
+    #[cfg(feature = "i128")]
+    bench_u128_max(<u128>::max_value())
+}