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

#define OK "\033[32mOK\n\033[0m"
#define KO "\033[31mKO\n\033[0m"

#define FNC_TEST(title, condition)\
	printf(title":\n");\
	if(test_strlen())\
		printf("RESULT: "OK);\
	else\
		printf(" RESULT: "KO);

#define TEST(title, condition) \
	printf("%s: ", title);\
	if(condition)\
	{\
		printf(OK);\
		passed++;\
	}\
	else \
		printf(KO);

size_t ft_strlen(char *str);

int test_strlen(void)
{
	int nb_tests;
	int passed;

	nb_tests = 3;
	passed = 0;
	
	TEST("normal string", ft_strlen("hello") == 5);
	TEST("empty string", ft_strlen("") == 0);
	TEST("null pointer", ft_strlen(NULL) == 0);

	return(nb_tests == passed);
}

int main(void)
{
	FNC_TEST("ft_strlen", test_strlen());
	printf("\n\n");
}