MoveZeros Leetcode Task

DECLARE
  TYPE t_nums IS TABLE OF NUMBER(38);
  v_actual_nums   t_nums := t_nums(0, 12, 1, 3, 0);
  v_expected_nums t_nums := t_nums(12, 1, 3, 0, 0);

  FUNCTION move_zeroes(p_nums t_nums) RETURN t_nums IS
  BEGIN
    -- YOUR CODE HERE
  END;

  PROCEDURE test(p_expected_nums t_nums
                ,p_actual_nums   t_nums) IS
  BEGIN
    IF (p_expected_nums IS NULL OR p_actual_nums IS NULL OR p_expected_nums.COUNT != p_actual_nums.COUNT) THEN
      raise_application_error(-20100, 'Arrays are not equals');
    END IF;
    FOR i IN p_expected_nums.FIRST .. p_expected_nums.LAST LOOP
      IF (p_expected_nums(i) != p_actual_nums(i)) THEN
        raise_application_error(-20100, 'Arrays are not equals');
      END IF;
    END LOOP;
  END;

BEGIN
  v_actual_nums := move_zeroes(v_actual_nums);
  test(v_expected_nums, v_actual_nums);
END;
/