simple_test.c

//////////////////////////////////
// Test Runner Code
//////////////////////////////////

#include <stdio.h>

typedef int (test_fn_t)(void);

struct test_t {
  char * name;
  char * group;
  test_fn_t * fn;
};

int __test_count;
struct test_t __test_cache[10000];

static void __attribute__ ((constructor)) __init__tests__() {
  __test_count = 0;
}

#define TEST(group_name, test_name) \
  int __impl__##group_name##__##test_name##__(); \
  void __attribute__ ((constructor)) __##group_name##__##test_name##__() { \
        struct test_t new_test; \
        new_test.name = #test_name; \
        new_test.group = #group_name; \
        new_test.fn = &__impl__##group_name##__##test_name##__; \
        __test_cache[__test_count] = new_test; \
        __test_count++; \
      } \
  int __impl__##group_name##__##test_name##__()

int main(void) {
  int i, failed_count;
  struct test_t failed_tests[10000];

  failed_count = 0;

  for(i = 0; i < __test_count; i++) {
    int result = __test_cache[i].fn();

    if(result) {
      printf(".");
    } else {
      printf("F");
      failed_tests[failed_count] = __test_cache[i];
      failed_count++;
    }
  }

  printf("\n\n");

  for(i = 0; i < failed_count; i++) {
    struct test_t failed = failed_tests[i];

    printf("%s %s failed.\n", failed.group, failed.name);
  }

  printf("\n");
  printf("Finished\n");

  return 0;
}


/////////////////////////////////////////
// Test definitions
////////////////////////////////////////

TEST(One, some_test_name) {
  return 1;
}

TEST(One, some_test_name_2) {
  return 0;
}

z_output

.F

One some_test_name_2 failed.

Finished