New upstream version 1.52.1+dfsg1

[rustc.git] / vendor / constant_time_eq / benches / bench.rs

diff --git a/vendor/constant_time_eq/benches/bench.rs b/vendor/constant_time_eq/benches/bench.rs
new file mode 100644 (file)
index 0000000..4b3b790
--- /dev/null
+++ b/vendor/constant_time_eq/benches/bench.rs
@@ -0,0 +1,29 @@
+#![feature(test)]
+
+extern crate constant_time_eq;
+extern crate test;
+
+use constant_time_eq::constant_time_eq;
+use test::{Bencher, black_box};
+
+fn bench(b: &mut Bencher, left: &[u8], right: &[u8]) {
+    b.bytes = (left.len() + right.len()) as u64;
+    b.iter(|| {
+        constant_time_eq(black_box(left), black_box(right))
+    })
+}
+
+#[bench]
+fn bench_16(b: &mut Bencher) {
+    bench(b, &[0; 16], &[0; 16])
+}
+
+#[bench]
+fn bench_4096(b: &mut Bencher) {
+    bench(b, &[0; 4096], &[0; 4096])
+}
+
+#[bench]
+fn bench_65536(b: &mut Bencher) {
+    bench(b, &[0; 65536], &[0; 65536])
+}