1 files changed, 10 insertions, 0 deletions
diff --git a/library/core/benches/str.rs b/library/core/benches/str.rs
new file mode 100644
index 000000000..78865d81f
--- /dev/null
+++ b/library/core/benches/str.rs
@@ -0,0 +1,10 @@
+use std::str;
+use test::{black_box, Bencher};
+
+mod char_count;
+mod corpora;
+
+#[bench]
+fn str_validate_emoji(b: &mut Bencher) {
+    b.iter(|| str::from_utf8(black_box(corpora::emoji::LARGE.as_bytes())));
+}