anchor.diff:  
       CLASS-METHODS sha1 IMPORTING iv_type TYPE t_type
                                    iv_data TYPE xstring
  -                       RETURNING value(rv_sha1) TYPE t_sha1.
  +                       RETURNING value(rv_sha1) TYPE t_sha1
  +                       RAISING lcx_exception.
   
       CLASS-METHODS sha1_raw IMPORTING iv_data TYPE xstring
  -                       RETURNING value(rv_sha1) TYPE t_sha1.
  +                       RETURNING value(rv_sha1) TYPE t_sha1
  +                       RAISING lcx_exception.
   
   ENDCLASS.                    "lcl_hash DEFINITION
   
  
positive.code: *
  *----------------------------------------------------------------------*
  CLASS lcl_transport IMPLEMENTATION.
  
    METHOD length_utf8_hex.
  
  
negative.code:           lt_result TYPE tt_nodes.
  
      CLEAR ls_node.
      ls_node-chmod = gc_chmod_file.
      ls_node-name = 'foobar.txt'.
      ls_node-sha1 = '5F46CB3C4B7F0B3600B64F744CDE614A283A88DC'.
      APPEND ls_node TO lt_nodes.
  