#include "iue-po/cpo.h"

#include <assert.h> // assert
#include <stdio.h>  // printf
#include <stdlib.h>
#include <string.h> // strcmp

int main(int argc, char* argv[]) {

  int value1 = 1;
  if (iuepo_get_int(argc, argv, "option1", &value1, IUEPO_REQUIRED) != EXIT_SUCCESS)
    return EXIT_FAILURE;

  char value2[256] = "default2";
  if (iuepo_get_string(argc, argv, "option2", value2, sizeof(value2), IUEPO_REQUIRED) != EXIT_SUCCESS)
    return EXIT_FAILURE;

  char value3[256] = "default3";
  if (iuepo_get_string(argc, argv, "option3", value3, sizeof(value3), IUEPO_OPTIONAL) != EXIT_SUCCESS)
    return EXIT_FAILURE;

  printf("'%i'\n", value1);
  printf("'%s'\n", value2);
  printf("'%s'\n", value3);

  assert(value1 == 100);
  assert(strcmp(value2, "o2") == 0);
  assert(strcmp(value3, "default3") == 0);

  return EXIT_SUCCESS;
}