Iterate through pb files and parse the header

daqbufp2/src/test.rs

@@ -0,0 +1,24 @@
+use bytes::BytesMut;
+
+pub mod binnedbinary;
+pub mod binnedjson;
+pub mod events;
+
+#[test]
+fn bufs() {
+    use bytes::{Buf, BufMut};
+    let mut buf = BytesMut::with_capacity(1024);
+    assert!(buf.as_mut().len() == 0);
+    buf.put_u32_le(123);
+    assert!(buf.as_mut().len() == 4);
+    let mut b2 = buf.split_to(4);
+    assert!(b2.capacity() == 4);
+    b2.advance(2);
+    assert!(b2.capacity() == 2);
+    b2.advance(2);
+    assert!(b2.capacity() == 0);
+    assert!(buf.capacity() == 1020);
+    assert!(buf.remaining() == 0);
+    assert!(buf.remaining_mut() >= 1020);
+    assert!(buf.capacity() == 1020);
+}