if (state != RdmaConnectionState.ESTABLISHED && state != RdmaConnectionState.CONNECTED) {
            throw new IOException("Connection not established");
        }

        try {
            while (data.hasRemaining()) {
                socketChannel.write(data);
            }
        } catch (IOException e) {
            state = RdmaConnectionState.ERROR;
            throw new IOException("TCP RDMA send failed", e);
        }

    byte[] bytes = new byte[rng.nextInt(256) + 1];
    rng.nextBytes(bytes);
    ByteBuffer buffer = ByteBuffer.wrap(bytes);
    HashCode unused = hashFunction.hashBytes(buffer);
    assertFalse(buffer.hasRemaining());
  }

  static void assertHashByteBufferPreservesByteOrder(HashFunction hashFunction) {
    Random rng = new Random(0L);
    byte[] bytes = new byte[rng.nextInt(256) + 1];
    rng.nextBytes(bytes);

    byte[] bytes = new byte[rng.nextInt(256) + 1];
    rng.nextBytes(bytes);
    ByteBuffer buffer = ByteBuffer.wrap(bytes);
    HashCode unused = hashFunction.hashBytes(buffer);
    assertFalse(buffer.hasRemaining());
  }

  static void assertHashByteBufferPreservesByteOrder(HashFunction hashFunction) {
    Random rng = new Random(0L);
    byte[] bytes = new byte[rng.nextInt(256) + 1];
    rng.nextBytes(bytes);