Use more efficient scheme for display u128/i128

[rust.git] / library / core / benches / fmt.rs

diff --git a/library/core/benches/fmt.rs b/library/core/benches/fmt.rs
index dd72a33996f174c28a2f277305ac3e63b0321015..2792181acc352ca8a37e713dd52ab8375fb2d06a 100644 (file)
--- a/library/core/benches/fmt.rs
+++ b/library/core/benches/fmt.rs
@@ -108,3 +108,32 @@ fn write_str_macro_debug(bh: &mut Bencher) {
         }
     });
 }
+
+#[bench]
+fn write_u128_max(bh: &mut Bencher) {
+    bh.iter(|| {
+        std::hint::black_box(format!("{}", u128::MAX));
+    });
+}
+
+#[bench]
+fn write_u128_min(bh: &mut Bencher) {
+    bh.iter(|| {
+        let s = format!("{}", 0u128);
+        std::hint::black_box(s);
+    });
+}
+
+#[bench]
+fn write_u64_max(bh: &mut Bencher) {
+    bh.iter(|| {
+        std::hint::black_box(format!("{}", u64::MAX));
+    });
+}
+
+#[bench]
+fn write_u64_min(bh: &mut Bencher) {
+    bh.iter(|| {
+        std::hint::black_box(format!("{}", 0u64));
+    });
+}