WIP - Implement abstractions for working with bytes

test/test_seq_byte_str.rs

@@ -0,0 +1,33 @@
+use bytes::SeqByteStr;
+use bytes::traits::*;
+use super::gen_bytes;
+
+#[test]
+pub fn test_slice_round_trip() {
+    let mut dst = vec![];
+    let src = gen_bytes(2000);
+
+    let s = SeqByteStr::from_slice(src.as_slice());
+    assert_eq!(2000, s.len());
+
+    s.buf().read(&mut dst).unwrap();
+    assert_eq!(dst, src);
+}
+
+#[test]
+pub fn test_index() {
+    let src = gen_bytes(2000);
+
+    let s = SeqByteStr::from_slice(src.as_slice());
+
+    for i in 0..2000 {
+        assert_eq!(src[i], s[i]);
+    }
+}
+
+#[test]
+#[should_fail]
+pub fn test_index_out_of_range() {
+    let s = SeqByteStr::from_slice(gen_bytes(2000).as_slice());
+    let _ = s[2001];
+}