---

yaml
---
r: 64611
b: refs/heads/snap-stage3
c: e5cbede
h: refs/heads/master
i:
  64609: 5467bc8
  64607: 610c696
v: v3

Author: graydon

[refs]

@@ -1,7 +1,7 @@
 ---
 refs/heads/master: 2d28d645422c1617be58c8ca7ad9a457264ca850
 refs/heads/snap-stage1: e33de59e47c5076a89eadeb38f4934f58a3618a6
-refs/heads/snap-stage3: 786318f61b3d41238937d194970d2aaac34886cd
+refs/heads/snap-stage3: e5cbede103fca018089b113ec35f0cf863df7106
 refs/heads/try: 7b78b52e602bb3ea8174f9b2006bff3315f03ef9
 refs/tags/release-0.1: 1f5c5126e96c79d22cb7862f75304136e204f105
 refs/heads/ndm: f3868061cd7988080c30d6d5bf352a5a5fe2460b

branches/snap-stage3/src/libstd/str.rs

@@ -3532,3 +3532,48 @@ mod tests {
         assert_eq!(5, sum_len([s.as_slice()]));
     }
 }
+
+#[cfg(test)]
+mod bench {
+    use extra::test::BenchHarness;
+    use str;
+
+    #[bench]
+    fn is_utf8_100_ascii(bh: &mut BenchHarness) {
+
+        let s = bytes!("Hello there, the quick brown fox jumped over the lazy dog! \
+                        Lorem ipsum dolor sit amet, consectetur. ");
+
+        assert_eq!(100, s.len());
+        do bh.iter {
+            str::is_utf8(s);
+        }
+    }
+
+    #[bench]
+    fn is_utf8_100_multibyte(bh: &mut BenchHarness) {
+        let s = bytes!("𐌀𐌖𐌋𐌄𐌑𐌉ปรدولة الكويتทศไทย中华𐍅𐌿𐌻𐍆𐌹𐌻𐌰");
+        assert_eq!(100, s.len());
+        do bh.iter {
+            str::is_utf8(s);
+        }
+    }
+
+    #[bench]
+    fn map_chars_100_ascii(bh: &mut BenchHarness) {
+        let s = "HelloHelloHelloHelloHelloHelloHelloHelloHelloHello\
+                 HelloHelloHelloHelloHelloHelloHelloHelloHelloHello";
+        do bh.iter {
+            s.map_chars(|c| ((c as uint) + 1) as char);
+        }
+    }
+
+    #[bench]
+    fn map_chars_100_multibytes(bh: &mut BenchHarness) {
+        let s = "𐌀𐌖𐌋𐌄𐌑𐌀𐌖𐌋𐌄𐌑𐌀𐌖𐌋𐌄𐌑𐌀𐌖𐌋𐌄𐌑𐌀𐌖𐌋𐌄𐌑𐌀𐌖𐌋𐌄𐌑𐌀𐌖𐌋𐌄𐌑𐌀𐌖𐌋𐌄𐌑𐌀𐌖𐌋𐌄𐌑𐌀𐌖𐌋𐌄𐌑\
+                 𐌀𐌖𐌋𐌄𐌑𐌀𐌖𐌋𐌄𐌑𐌀𐌖𐌋𐌄𐌑𐌀𐌖𐌋𐌄𐌑𐌀𐌖𐌋𐌄𐌑𐌀𐌖𐌋𐌄𐌑𐌀𐌖𐌋𐌄𐌑𐌀𐌖𐌋𐌄𐌑𐌀𐌖𐌋𐌄𐌑𐌀𐌖𐌋𐌄𐌑";
+        do bh.iter {
+            s.map_chars(|c| ((c as uint) + 1) as char);
+        }
+    }
+}