#include <stdio.h>
#include <stdlib.h>
#include <check.h>

#include <position.h>

START_TEST(test_dir_invert)
{
  fail_unless(dir_invert(DIR_UP) == DIR_DOWN, "Wrong reverse of DIR_UP");
  fail_unless(dir_invert(DIR_DOWN) == DIR_UP, "Wrong reverse of DIR_DOWN");
  fail_unless(dir_invert(DIR_LEFT) == DIR_RIGHT, "Wrong reverse of DIR_LEFT");  
  fail_unless(dir_invert(DIR_RIGHT) == DIR_LEFT, "Wrong reverse of DIR_RIGHT");
}
END_TEST

/* Test suite for "Check" */
Suite *level_suite()
{
 Suite *s = suite_create("level");
 
 TCase *tc_core = tcase_create("Core");

 /* Add tests here */
 tcase_add_test(tc_core, test_dir_invert);

 suite_add_tcase(s, tc_core);
}

int main()
{
 int number_failed;
 Suite *s = level_suite ();
 SRunner *sr = srunner_create (s);
 srunner_run_all (sr, CK_NORMAL);
 number_failed = srunner_ntests_failed (sr);
 srunner_free (sr);
 
 return (number_failed == 0) ? EXIT_SUCCESS : EXIT_FAILURE;
}