// Write header with invalid version
        dos.writeInt(Integer.reverseBytes(1)); // 1 buffer
        dos.writeInt(Integer.reverseBytes(999)); // Invalid version

        // Add minimal buffer entry
        dos.writeInt(Integer.reverseBytes(PacConstants.LOGON_INFO));
        dos.writeInt(Integer.reverseBytes(10));
        dos.writeLong(Long.reverseBytes(100));

        byte[] invalidVersionPac = baos.toByteArray();

        align(2);
        return Short.reverseBytes(this.dis.readShort());
    }

    /**
     * Reads a 32-bit integer value with proper alignment and byte order.
     * @return the integer value in little-endian format
     * @throws IOException if an I/O error occurs
     */
    public int readInt() throws IOException {
        align(4);
        return Integer.reverseBytes(this.dis.readInt());
    }

    /**

   * little-endian byte order.
   *
   * @throws IOException if an I/O error occurs
   */
  @Override
  public void writeLong(long v) throws IOException {
    ((DataOutputStream) out).writeLong(Long.reverseBytes(v));
  }

  /**
   * Writes a {@code short} as specified by {@link DataOutputStream#writeShort(int)}, except using
   * little-endian byte order.
   *
   * @throws IOException if an I/O error occurs