CLASS zcl_abapgit_test_serialize DEFINITION PUBLIC CREATE PUBLIC FOR TESTING . PUBLIC SECTION. CLASS-METHODS check IMPORTING VALUE(is_item) TYPE zif_abapgit_definitions=>ty_item RAISING zcx_abapgit_exception . PROTECTED SECTION. PRIVATE SECTION. ENDCLASS. CLASS zcl_abapgit_test_serialize IMPLEMENTATION. METHOD check. DATA: ls_files_item TYPE zcl_abapgit_objects=>ty_serialization. ls_files_item = zcl_abapgit_objects=>serialize( is_item = is_item iv_language = zif_abapgit_definitions=>c_english ). cl_abap_unit_assert=>assert_not_initial( ls_files_item-files ). cl_abap_unit_assert=>assert_equals( act = ls_files_item-item exp = is_item ). ENDMETHOD. ENDCLASS.