more benches to it's proper location

benches/bench.rs

@@ -0,0 +1,33 @@
+#![feature(test)]
+
+extern crate test;
+
+use std::fs;
+use test::Bencher;
+use bitstream_reader::{BitBuffer, LittleEndian};
+
+fn read_perf(buffer: &BitBuffer<LittleEndian>) -> u16 {
+    let size = 5;
+    let mut pos = 0;
+    let len = buffer.bit_len();
+    let mut result: u16 = 0;
+    loop {
+        if pos + size > len {
+            return result;
+        }
+        let data = buffer.read_int::<u16>(pos, size).unwrap();
+        result = result.wrapping_add(data);
+        pos += size;
+    }
+}
+
+#[bench]
+fn perf_non_padded(b: &mut Bencher) {
+    let file = fs::read("/bulk/tmp/test.dem").expect("Unable to read file");
+    let buffer = BitBuffer::new(file, LittleEndian);
+    b.iter(|| {
+        let data = read_perf(&buffer);
+        assert_eq!(data, 43943);
+        test::black_box(data);
+    });
+}