CLASS {{p}}t02_hidden DEFINITION PUBLIC FINAL CREATE PUBLIC
  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 working_day_is_true FOR TESTING.
    METHODS holiday_is_not_working FOR TESTING.
    METHODS next_day_same_for_workday FOR TESTING.
    METHODS next_day_from_weekend FOR TESTING.
    METHODS next_day_skips_holidays FOR TESTING.
    METHODS add_zero_days FOR TESTING.
    METHODS add_days_forward FOR TESTING.
    METHODS add_forward_skips_holiday FOR TESTING.
    METHODS add_days_backward FOR TESTING.
    METHODS count_working_days_inclusive FOR TESTING.
    METHODS count_reversed_range_is_zero FOR TESTING.
    METHODS count_duplicate_holidays FOR TESTING.
ENDCLASS.


CLASS {{p}}t02_hidden 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 )
      msg = 'Saturday is not a working day' ).
    cl_abap_unit_assert=>assert_equals(
      exp = abap_false
      act = mo_cut->is_working_day( iv_date = c_sun_07 it_holidays = mt_no_holidays )
      msg = 'Sunday is not a working day' ).
  ENDMETHOD.

  METHOD working_day_is_true.
    cl_abap_unit_assert=>assert_equals(
      exp = abap_true
      act = mo_cut->is_working_day( iv_date = c_mon_08 it_holidays = mt_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_same_for_workday.
    cl_abap_unit_assert=>assert_equals(
      exp = c_mon_08
      act = mo_cut->next_working_day( iv_date = c_mon_08 it_holidays = mt_holidays ) ).
  ENDMETHOD.

  METHOD next_day_from_weekend.
    cl_abap_unit_assert=>assert_equals(
      exp = c_mon_08
      act = mo_cut->next_working_day( iv_date = c_sat_06 it_holidays = mt_no_holidays ) ).
  ENDMETHOD.

  METHOD next_day_skips_holidays.
    cl_abap_unit_assert=>assert_equals(
      exp = c_thu_11
      act = mo_cut->next_working_day( iv_date = c_tue_09 it_holidays = mt_holidays ) ).
  ENDMETHOD.

  METHOD add_zero_days.
    cl_abap_unit_assert=>assert_equals(
      exp = c_sat_06
      act = mo_cut->add_working_days( iv_start = c_sat_06 iv_days = 0 it_holidays = mt_holidays ) ).
  ENDMETHOD.

  METHOD add_days_forward.
    cl_abap_unit_assert=>assert_equals(
      exp = c_tue_09
      act = mo_cut->add_working_days( iv_start = c_fri_05 iv_days = 2 it_holidays = mt_no_holidays ) ).
  ENDMETHOD.

  METHOD add_forward_skips_holiday.
    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_no_holidays ) ).
  ENDMETHOD.

  METHOD count_working_days_inclusive.
    cl_abap_unit_assert=>assert_equals(
      exp = 5
      act = mo_cut->count_working_days( iv_from = c_mon_08 iv_to = c_fri_12 it_holidays = mt_no_holidays )
      msg = 'Monday to Friday without holidays' ).
    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 )
      msg = 'Two holidays in the interval' ).
    cl_abap_unit_assert=>assert_equals(
      exp = 1
      act = mo_cut->count_working_days( iv_from = c_mon_08 iv_to = c_mon_08 it_holidays = mt_no_holidays )
      msg = 'One working day' ).
    cl_abap_unit_assert=>assert_equals(
      exp = 0
      act = mo_cut->count_working_days( iv_from = c_tue_09 iv_to = c_tue_09 it_holidays = mt_holidays )
      msg = 'One holiday' ).
  ENDMETHOD.

  METHOD count_duplicate_holidays.
    DATA(lt_holidays) = VALUE {{p}}delivery_schedule=>ty_holidays(
      ( c_tue_09 ) ( c_tue_09 ) ( CONV d( '20240201' ) ) ).
    cl_abap_unit_assert=>assert_equals(
      exp = 4
      act = mo_cut->count_working_days( iv_from = c_mon_08 iv_to = c_fri_12 it_holidays = lt_holidays )
      msg = 'A duplicate holiday counts one time; a holiday outside the interval has no effect' ).
    cl_abap_unit_assert=>assert_equals(
      exp = abap_false
      act = mo_cut->is_working_day( iv_date = c_tue_09 it_holidays = lt_holidays ) ).
  ENDMETHOD.

  METHOD count_reversed_range_is_zero.
    cl_abap_unit_assert=>assert_equals(
      exp = 0
      act = mo_cut->count_working_days( iv_from = c_fri_12 iv_to = c_mon_08 it_holidays = mt_holidays ) ).
  ENDMETHOD.

ENDCLASS.