CLASS ltc_delivery_schedule DEFINITION FINAL FOR TESTING
  DURATION SHORT RISK LEVEL HARMLESS.

  PRIVATE SECTION.
    CONSTANTS:
      c_fri_05 TYPE d VALUE '20240105',
      c_sat_06 TYPE d VALUE '20240106',
      c_sun_07 TYPE d VALUE '20240107',
      c_mon_08 TYPE d VALUE '20240108',
      c_tue_09 TYPE d VALUE '20240109',
      c_wed_10 TYPE d VALUE '20240110',
      c_thu_11 TYPE d VALUE '20240111',
      c_fri_12 TYPE d VALUE '20240112'.

    DATA mo_cut TYPE REF TO {{p}}delivery_schedule.
    DATA mt_holidays TYPE {{p}}delivery_schedule=>ty_holidays.
    DATA mt_no_holidays TYPE {{p}}delivery_schedule=>ty_holidays.

    METHODS setup.
    METHODS weekend_is_not_working FOR TESTING.
    METHODS holiday_is_not_working FOR TESTING.
    METHODS next_day_skips_weekend FOR TESTING.
    METHODS add_days_forward FOR TESTING.
    METHODS add_days_backward FOR TESTING.
    METHODS count_working_days FOR TESTING.
ENDCLASS.


CLASS ltc_delivery_schedule IMPLEMENTATION.

  METHOD setup.
    mo_cut = NEW {{p}}delivery_schedule( ).
    mt_holidays = VALUE #( ( c_tue_09 ) ( c_wed_10 ) ).
  ENDMETHOD.

  METHOD weekend_is_not_working.
    cl_abap_unit_assert=>assert_equals(
      exp = abap_false
      act = mo_cut->is_working_day( iv_date = c_sat_06 it_holidays = mt_no_holidays ) ).
  ENDMETHOD.

  METHOD holiday_is_not_working.
    cl_abap_unit_assert=>assert_equals(
      exp = abap_false
      act = mo_cut->is_working_day( iv_date = c_tue_09 it_holidays = mt_holidays ) ).
  ENDMETHOD.

  METHOD next_day_skips_weekend.
    cl_abap_unit_assert=>assert_equals(
      exp = c_mon_08
      act = mo_cut->next_working_day( iv_date = c_sun_07 it_holidays = mt_holidays ) ).
  ENDMETHOD.

  METHOD add_days_forward.
    cl_abap_unit_assert=>assert_equals(
      exp = c_thu_11
      act = mo_cut->add_working_days( iv_start = c_fri_05 iv_days = 2 it_holidays = mt_holidays ) ).
  ENDMETHOD.

  METHOD add_days_backward.
    cl_abap_unit_assert=>assert_equals(
      exp = c_fri_05
      act = mo_cut->add_working_days( iv_start = c_mon_08 iv_days = -1 it_holidays = mt_holidays ) ).
  ENDMETHOD.

  METHOD count_working_days.
    cl_abap_unit_assert=>assert_equals(
      exp = 3
      act = mo_cut->count_working_days( iv_from = c_mon_08 iv_to = c_fri_12 it_holidays = mt_holidays ) ).
  ENDMETHOD.

ENDCLASS.