---

yaml
---
r: 123871
b: refs/heads/snap-stage3
c: 90fe1a6
h: refs/heads/master
i:
  123869: 2341fca
  123867: 656ed7d
  123863: 6a9e592
  123855: ac6c195
  123839: 6269438
v: v3

Author: erickt

[refs]

@@ -1,7 +1,7 @@
 ---
 refs/heads/master: 4e2da7cb79143b0e7206a684629ed942599ec8e9
 refs/heads/snap-stage1: e33de59e47c5076a89eadeb38f4934f58a3618a6
-refs/heads/snap-stage3: f1ea540e9024db9b5d2e6a6e92431875feb345b3
+refs/heads/snap-stage3: 90fe1a632bd38633006ea53f92a1da14944fd835
 refs/heads/try: 296eb104620b346d88bc4a2c2ab7693e6d3db019
 refs/tags/release-0.1: 1f5c5126e96c79d22cb7862f75304136e204f105
 refs/heads/ndm: f3868061cd7988080c30d6d5bf352a5a5fe2460b

branches/snap-stage3/src/libstd/io/mem.rs

@@ -607,17 +607,61 @@ mod test {
         assert_eq!(buf.as_slice(), &[7, 8, 6]);
     }
 
-    #[bench]
-    fn bench_mem_writer(b: &mut Bencher) {
+    fn do_bench_mem_writer(b: &mut Bencher, times: uint, len: uint) {
+        let src: Vec<u8> = Vec::from_elem(len, 5);
+
         b.iter(|| {
             let mut wr = MemWriter::new();
-            for _i in range(0u, 10) {
-                wr.write([5, .. 10]).unwrap();
+            for _ in range(0, times) {
+                wr.write(src.as_slice()).unwrap();
             }
-            assert_eq!(wr.unwrap().as_slice(), [5, .. 100].as_slice());
+
+            let v = wr.unwrap();
+            assert_eq!(v.len(), times * len);
+            assert!(v.iter().all(|x| *x == 5));
         });
     }
 
+    #[bench]
+    fn bench_mem_writer_001_0000(b: &mut Bencher) {
+        do_bench_mem_writer(b, 1, 0)
+    }
+
+    #[bench]
+    fn bench_mem_writer_001_0010(b: &mut Bencher) {
+        do_bench_mem_writer(b, 1, 10)
+    }
+
+    #[bench]
+    fn bench_mem_writer_001_0100(b: &mut Bencher) {
+        do_bench_mem_writer(b, 1, 100)
+    }
+
+    #[bench]
+    fn bench_mem_writer_001_1000(b: &mut Bencher) {
+        do_bench_mem_writer(b, 1, 1000)
+    }
+
+    #[bench]
+    fn bench_mem_writer_100_0000(b: &mut Bencher) {
+        do_bench_mem_writer(b, 100, 0)
+    }
+
+    #[bench]
+    fn bench_mem_writer_100_0010(b: &mut Bencher) {
+        do_bench_mem_writer(b, 100, 10)
+    }
+
+    #[bench]
+    fn bench_mem_writer_100_0100(b: &mut Bencher) {
+        do_bench_mem_writer(b, 100, 100)
+    }
+
+    #[bench]
+    fn bench_mem_writer_100_1000(b: &mut Bencher) {
+        do_bench_mem_writer(b, 100, 1000)
+    }
+
     #[bench]
     fn bench_mem_reader(b: &mut Bencher) {
         b.iter(|| {