diff --git a/.gitignore b/.gitignore
index db12e57..32dd980 100644
--- a/.gitignore
+++ b/.gitignore
@@ -55,4 +55,6 @@ dkms.conf
 *.dwo
 
 /libunit
+/real_tests/real_tests
+/tests/tests
 
diff --git a/Makefile b/Makefile
index 0955987..26f548c 100644
--- a/Makefile
+++ b/Makefile
@@ -1,37 +1,57 @@
-NAME			= libunit
-CXX				= cc
-CXXFLAGS	= -Wall -Wextra -Werror -MMD -MP
-CXXFLAGS	+= -g3
-CXXFLAGS	+= -I $(LIBFT_DIR) -I.
-LDFLAGS		= -Llibft -lft
+NAME			= libunit.a
+AR				= ar rcs
+CC				= cc
+CCFLAGS		= -Wall -Wextra -Werror -MMD -MP
+CCFLAGS		+= -I$(LIBFT_DIR) -I. -Iframework
+LDFLAGS		= -Llibft -lunit -lft -L.
 LIBFT_DIR = libft
 LIBFT_A		= $(LIBFT_DIR)/libft.a
 
-SRC				= libunit_util.c libunit_util2.c libunit.c main.c
-SRC				+= real_tests/ft_strlen/00_launcher.c real_tests/ft_strlen/01_basic.c real_tests/ft_strlen/02_null.c
-SRC				+= real_tests/ft_atoi/00_launcher.c real_tests/ft_atoi/01_ok.c real_tests/ft_atoi/02_ko.c real_tests/ft_atoi/03_sigsegv.c real_tests/ft_atoi/04_sigbus.c
-SRC				+= tests/libunit/00_launcher.c tests/libunit/01_ok.c tests/libunit/02_ko.c tests/libunit/03_sigsegv.c tests/libunit/04_sigbus.c
+SRC				= framework/libunit_util.c framework/libunit_util2.c framework/libunit.c
 OBJ				= $(SRC:.c=.o)
 
+TESTD			= tests
+TESTB			= $(TESTD)/tests
+TESTM			= $(TESTD)/Makefile
+RTESTD		= real_tests
+RTESTB		= $(RTESTD)/real_tests
+RTESTM		= $(RTESTD)/Makefile
+
 all: $(NAME)
 
 $(NAME): $(OBJ) | $(LIBFT_A)
-	$(CXX) $(CXXFLAGS) $(OBJ) $(LDFLAGS) -o $(NAME)
+	$(AR) $(NAME) $(OBJ)
 
 %.o: %.c Makefile
-	$(CXX) $(CXXFLAGS) -c $< -o $@
+	$(CC) $(CCFLAGS) -c $< -o $@
 
-$(LIBFT_A):
-	$(MAKE) -C $(LIBFT_DIR)
+$(LIBFT_A): FORCE
+	@$(MAKE) -C $(LIBFT_DIR)
 
 clean:
 	$(RM) $(OBJ) $(SRC:.c=.d)
+	@$(MAKE) -C $(TESTD) clean
+	@$(MAKE) -C $(RTESTD) clean
 
 fclean: clean
 	$(RM) $(NAME)
+	@$(MAKE) -C $(TESTD) fclean
+	@$(MAKE) -C $(RTESTD) fclean
 
 re: fclean
-	$(MAKE) all
+	@$(MAKE) all
+
+$(TESTB): FORCE
+	@$(MAKE) -C $(TESTD)
+
+$(RTESTB): FORCE
+	@$(MAKE) -C $(RTESTD)
+
+test: $(TESTB) $(RTESTB)
+	$(TESTB)
+	$(RTESTB)
+
+FORCE: ;
 
 -include $(SRC:.c=.d)
 
diff --git a/README b/README
new file mode 100644
index 0000000..cfd792a
--- /dev/null
+++ b/README
@@ -0,0 +1,5 @@
+libunit
+=======
+
+This is an implementation of the `libunit` 42 Rush project.
+
diff --git a/libunit.c b/framework/libunit.c
similarity index 65%
rename from libunit.c
rename to framework/libunit.c
index b0b3a8c..f98e249 100644
--- a/libunit.c
+++ b/framework/libunit.c
@@ -6,56 +6,64 @@
 /*   By: dgaillet <dgaillet@student.42lyon.fr>      +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2026/01/24 12:43:35 by dgaillet          #+#    #+#             */
-/*   Updated: 2026/01/24 16:15:02 by elagouch         ###   ########.fr       */
+/*   Updated: 2026/01/24 16:50:51 by elagouch         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
+#include "libft/libft.h"
 #include "libunit.h"
+#include <stdlib.h>
 #include <sys/wait.h>
 #include <unistd.h>
-#include <stdlib.h>
 
-static size_t	interpret_status(int status, const char *fn_name
-		, char *test_name)
+static size_t	interpret_status(int status, const char *fn_name,
+		char *test_name)
 {
-	ft_putstr_fd((char *) fn_name, 1);
+	ft_putstr_fd((char *)fn_name, 1);
 	ft_putstr_fd(" : ", 1);
 	ft_putstr_fd(test_name, 1);
 	ft_putstr_fd(" : ", 1);
-	if (WIFSIGNALED(status))
-	{
-		if (WTERMSIG(status) == 11)
-			ft_putstr_fd("[SIGSEGV]\n", 1);
-		else if (WTERMSIG(status) == 10)
-			ft_putstr_fd("[SIGBUS]\n", 1);
-	}
-	else if (WIFEXITED(status))
+	if (WIFEXITED(status))
 	{
 		if (WEXITSTATUS(status))
-			ft_putstr_fd("[KO]\n", 1);
+			ft_putstr_fd("[\x1B[31m\x1B[1mKO\x1B[0m]\n", 1);
 		else
 		{
-			ft_putstr_fd("[OK]\n", 1);
+			ft_putstr_fd("[\x1B[32mOK\x1B[0m]\n", 1);
 			return (1);
 		}
 	}
+	else if (WIFSIGNALED(status))
+	{
+		if (WTERMSIG(status) == 11)
+			ft_putstr_fd("[\x1B[33mSIGSEGV\x1B[0m]\n", 1);
+		else if (WTERMSIG(status) == 7)
+			ft_putstr_fd("[\x1B[33mSIGBUS\x1B[0m]\n", 1);
+	}
 	return (0);
 }
 
 static void	print_passed_test(size_t ok_tests, t_unit_test *test_list)
 {
+	size_t	total;
+
+	total = count_tests(test_list);
+	if (ok_tests == total)
+		ft_putstr_fd("\x1B[32m", 1);
+	else
+		ft_putstr_fd("\x1B[31m", 1);
 	ft_putnbr_fd(ok_tests, 1);
 	ft_putchar_fd('/', 1);
-	ft_putnbr_fd((int)count_tests(test_list), 1);
-	ft_putstr_fd(" tests checked\n", 1);
+	ft_putnbr_fd((int)total, 1);
+	ft_putstr_fd("\x1B[0m tests succeeded\n\n", 1);
 }
 
 int	launch_tests(t_unit_test *test_list, const char *fn_name)
 {
-	size_t		ok_tests;
-	pid_t		wpid;
-	int			status;
-	int			i;
+	size_t	ok_tests;
+	pid_t	wpid;
+	int		status;
+	int		i;
 
 	ok_tests = 0;
 	i = -1;
@@ -71,8 +79,8 @@ int	launch_tests(t_unit_test *test_list, const char *fn_name)
 			wpid = wait(&status);
 			if (wpid < 0)
 				return (1);
-			ok_tests += interpret_status(status, fn_name,
-					get_test_at(test_list, i)->title);
+			ok_tests += interpret_status(status, fn_name, get_test_at(test_list,
+						i)->title);
 		}
 	}
 	print_passed_test(ok_tests, test_list);
diff --git a/libunit.h b/framework/libunit.h
similarity index 87%
rename from libunit.h
rename to framework/libunit.h
index 166ad06..f68a14c 100644
--- a/libunit.h
+++ b/framework/libunit.h
@@ -6,14 +6,14 @@
 /*   By: elagouch <elagouch@student.42lyon.fr>      +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2026/01/24 14:38:40 by elagouch          #+#    #+#             */
-/*   Updated: 2026/01/24 16:15:23 by elagouch         ###   ########.fr       */
+/*   Updated: 2026/01/24 18:56:03 by elagouch         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
-#ifndef UTIL_UNIT_H
-# define UTIL_UNIT_H
+#ifndef LIBUNIT_H
+# define LIBUNIT_H
 
-# include "libft/libft.h"
+# include "libft.h"
 # include <sys/types.h>
 # include <unistd.h>
 
@@ -66,9 +66,4 @@ void					clear_tests(t_unit_test **head_ptr);
 int						launch_tests(t_unit_test *test_list,
 							const char *fn_name);
 
-// LAUNCHERS
-int						strlen_launcher(void);
-int						libunit_launcher(void);
-int						atoi_launcher(void);
-
-#endif // !UTIL_UNIT_H
+#endif // !LIBUNIT_H
diff --git a/libunit_util.c b/framework/libunit_util.c
similarity index 100%
rename from libunit_util.c
rename to framework/libunit_util.c
diff --git a/libunit_util2.c b/framework/libunit_util2.c
similarity index 100%
rename from libunit_util2.c
rename to framework/libunit_util2.c
diff --git a/libft/ft_strlen/00_launcher.c b/libft/ft_strlen/00_launcher.c
deleted file mode 100644
index e1ff4fa..0000000
--- a/libft/ft_strlen/00_launcher.c
+++ /dev/null
@@ -1,28 +0,0 @@
-/* ************************************************************************** */
-/*                                                                            */
-/*                                                        :::      ::::::::   */
-/*   00_launcher.c                                      :+:      :+:    :+:   */
-/*                                                    +:+ +:+         +:+     */
-/*   By: elagouch <elagouch@student.42lyon.fr>      +#+  +:+       +#+        */
-/*                                                +#+#+#+#+#+   +#+           */
-/*   Created: 2026/01/24 15:32:32 by elagouch          #+#    #+#             */
-/*   Updated: 2026/01/24 16:01:11 by elagouch         ###   ########.fr       */
-/*                                                                            */
-/* ************************************************************************** */
-
-#include "../../util_unit.h"
-#include "../tests.h"
-
-int strlen_launcher(void) {
-  t_unit_test *testlist;
-  size_t      res;
-
-  testlist = NULL;
-  load_test(&testlist, "null test", &test_null);
-  load_test(&testlist, "basic test", &test_basic);
-
-  res = launch_tests(testlist, "strlen");
-  clear_tests(&testlist);
-
-  return (res);
-}
diff --git a/real_tests/Makefile b/real_tests/Makefile
new file mode 100644
index 0000000..b98eea1
--- /dev/null
+++ b/real_tests/Makefile
@@ -0,0 +1,38 @@
+NAME    	= real_tests
+CC				= cc
+CCFLAGS		= -Wall -Wextra -Werror -MMD -MP
+
+SRC     	= main.c
+SRC				+= ft_strlen/00_launcher.c ft_strlen/01_basic.c ft_strlen/02_null.c ft_strlen/03_large.c
+SRC				+= ft_atoi/00_launcher.c ft_atoi/01_ok.c ft_atoi/02_ko.c ft_atoi/03_sigsegv.c ft_atoi/04_sigbus.c
+SRC				+= ft_strncmp/00_launcher.c ft_strncmp/01_ok.c ft_strncmp/02_ko.c
+OBJ     	= $(SRC:.c=.o)
+
+LIBS    	= -L.. -lunit -L../libft -lft
+INC     	= -I. -I../framework -I../libft
+
+all: $(NAME)
+
+test: $(NAME)
+	./$(NAME)
+
+%.o: %.c Makefile
+	$(CC) $(CCFLAGS) $(INC) -c $< -o $@
+
+$(NAME): $(OBJ) | libunit
+	$(CC) $(CCFLAGS) $(INC) $(OBJ) $(LIBS) -o $(NAME)
+
+libunit:
+	@$(MAKE) -C ..
+
+clean:
+	$(RM) $(OBJ) $(SRC:.c=.d)
+
+fclean: clean
+	$(RM) $(NAME)
+
+re: fclean all
+
+-include $(SRC:.c=.d)
+
+.PHONY: all clean fclean re libunit
diff --git a/real_tests/ft_strlen/00_launcher.c b/real_tests/ft_strlen/00_launcher.c
index 48d5b7e..10d6ad5 100644
--- a/real_tests/ft_strlen/00_launcher.c
+++ b/real_tests/ft_strlen/00_launcher.c
@@ -6,22 +6,22 @@
 /*   By: elagouch <elagouch@student.42lyon.fr>      +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2026/01/24 15:32:32 by elagouch          #+#    #+#             */
-/*   Updated: 2026/01/24 16:17:20 by elagouch         ###   ########.fr       */
+/*   Updated: 2026/01/24 16:34:12 by elagouch         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
 #include "../tests.h"
 
-int strlen_launcher(void) {
-  t_unit_test *testlist;
-  size_t      res;
+int	strlen_launcher(void)
+{
+	t_unit_test	*testlist;
+	size_t		res;
 
-  testlist = NULL;
-  load_test(&testlist, "null test", &test_null);
-  load_test(&testlist, "basic test", &test_basic);
-
-  res = launch_tests(testlist, "strlen");
-  clear_tests(&testlist);
-
-  return (res);
+	testlist = NULL;
+	load_test(&testlist, "null", &test_null);
+	load_test(&testlist, "basic", &test_basic);
+	load_test(&testlist, "large", &test_large);
+	res = launch_tests(testlist, "strlen");
+	clear_tests(&testlist);
+	return (res);
 }
diff --git a/real_tests/ft_strlen/02_null.c b/real_tests/ft_strlen/02_null.c
index ae665f8..fbf978f 100644
--- a/real_tests/ft_strlen/02_null.c
+++ b/real_tests/ft_strlen/02_null.c
@@ -12,6 +12,7 @@
 
 #include "../tests.h"
 
-int test_null(void) {
-  return (ft_strlen(NULL) == 0);
+int	test_null(void)
+{
+	return (ft_strlen(NULL) == 0);
 }
diff --git a/libft/ft_strlen/01_basic_test.c b/real_tests/ft_strlen/03_large.c
similarity index 72%
rename from libft/ft_strlen/01_basic_test.c
rename to real_tests/ft_strlen/03_large.c
index 9ffa4c5..f471b2e 100644
--- a/libft/ft_strlen/01_basic_test.c
+++ b/real_tests/ft_strlen/03_large.c
@@ -1,18 +1,27 @@
 /* ************************************************************************** */
 /*                                                                            */
 /*                                                        :::      ::::::::   */
-/*   01_basic_test.c                                    :+:      :+:    :+:   */
+/*   03_large.c                                         :+:      :+:    :+:   */
 /*                                                    +:+ +:+         +:+     */
 /*   By: elagouch <elagouch@student.42lyon.fr>      +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2026/01/24 15:38:17 by elagouch          #+#    #+#             */
-/*   Updated: 2026/01/24 15:39:06 by elagouch         ###   ########.fr       */
+/*   Updated: 2026/01/24 16:36:42 by elagouch         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
-#include "libft.h"
+#include "../tests.h"
 
-int	test_basic(void)
+int	test_large(void)
 {
-	return (ft_strlen("hello, world") == 12);
+	size_t	i;
+	char	s[10000];
+
+	i = 0;
+	while (i < sizeof(s))
+	{
+		s[i] = ' ';
+		i++;
+	}
+	return (ft_strlen(s) == sizeof(s) + 1);
 }
diff --git a/real_tests/ft_strncmp/00_launcher.c b/real_tests/ft_strncmp/00_launcher.c
index 4e0e207..2b4798a 100644
--- a/real_tests/ft_strncmp/00_launcher.c
+++ b/real_tests/ft_strncmp/00_launcher.c
@@ -7,6 +7,7 @@ int	strncmp_launcher(void)
 
 	testlist = NULL;
 	load_test(&testlist, "OK test", &strncmp_ok_test);
+	load_test(&testlist, "KO test", &strncmp_ko_test);
 	res = launch_tests(testlist, "ft_strncmp");
 	clear_tests(&testlist);
 	return (res);
diff --git a/real_tests/ft_strncmp/01_ok.c b/real_tests/ft_strncmp/01_ok.c
index 68ab5c1..94f5547 100644
--- a/real_tests/ft_strncmp/01_ok.c
+++ b/real_tests/ft_strncmp/01_ok.c
@@ -2,5 +2,5 @@
 
 int	strncmp_ok_test(void)
 {
-	return (ft_strncmp("test", "test", 4));
+	return (!ft_strncmp("test", "test", 4));
 }
diff --git a/real_tests/ft_strncmp/02_ko_test.c b/real_tests/ft_strncmp/02_ko.c
similarity index 54%
rename from real_tests/ft_strncmp/02_ko_test.c
rename to real_tests/ft_strncmp/02_ko.c
index e3e5d3c..d348569 100644
--- a/real_tests/ft_strncmp/02_ko_test.c
+++ b/real_tests/ft_strncmp/02_ko.c
@@ -2,5 +2,5 @@
 
 int	strncmp_ko_test(void)
 {
-	return (ft_strncmp("blabla", "test", 4));
+	return (!ft_strncmp("blabla", "test", 4));
 }
diff --git a/main.c b/real_tests/main.c
similarity index 81%
rename from main.c
rename to real_tests/main.c
index 9cdf324..a54be34 100644
--- a/main.c
+++ b/real_tests/main.c
@@ -5,16 +5,16 @@
 /*                                                    +:+ +:+         +:+     */
 /*   By: elagouch <elagouch@student.42lyon.fr>      +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
-/*   Created: 2026/01/24 15:40:58 by elagouch          #+#    #+#             */
-/*   Updated: 2026/01/24 16:15:52 by elagouch         ###   ########.fr       */
+/*   Created: 2026/01/24 18:53:18 by elagouch          #+#    #+#             */
+/*   Updated: 2026/01/24 18:53:18 by elagouch         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
-#include "libunit.h"
+#include "tests.h"
 
-int main(void)
+int	main(void)
 {
-  libunit_launcher();
   strlen_launcher();
   atoi_launcher();
+  strncmp_launcher();
 }
diff --git a/real_tests/tests.h b/real_tests/tests.h
index f1d5b8c..3a5c58e 100644
--- a/real_tests/tests.h
+++ b/real_tests/tests.h
@@ -6,7 +6,7 @@
 /*   By: elagouch <elagouch@student.42lyon.fr>      +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2026/01/24 15:32:30 by elagouch          #+#    #+#             */
-/*   Updated: 2026/01/24 16:16:13 by elagouch         ###   ########.fr       */
+/*   Updated: 2026/01/24 18:40:48 by elagouch         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -15,9 +15,15 @@
 
 # include "libunit.h"
 
+// LAUNCHERS
+int	strlen_launcher(void);
+int	atoi_launcher(void);
+int	strncmp_launcher(void);
+
 // strlen
-int test_basic(void);
-int test_null(void);
+int	test_basic(void);
+int	test_null(void);
+int	test_large(void);
 
 // atoi
 int	atoi_ok_test(void);
@@ -27,6 +33,7 @@ int	atoi_sigbus_test(void);
 
 //strncmp
 int strncmp_ok_test(void);
+int strncmp_ko_test(void);
 
 
 #endif // !TESTS_H
diff --git a/tests/Makefile b/tests/Makefile
new file mode 100644
index 0000000..f78f9b0
--- /dev/null
+++ b/tests/Makefile
@@ -0,0 +1,36 @@
+NAME    	= tests
+CC				= cc
+CCFLAGS		= -Wall -Wextra -Werror -MMD -MP
+
+SRC     	= main.c
+SRC				+= libunit/00_launcher.c libunit/01_ok.c libunit/02_ko.c libunit/03_sigsegv.c libunit/04_sigbus.c
+OBJ     	= $(SRC:.c=.o)
+
+LIBS    	= -L.. -lunit -L../libft -lft
+INC     	= -I. -I../framework -I../libft
+
+all: $(NAME)
+
+test: $(NAME)
+	./$(NAME)
+
+%.o: %.c Makefile
+	$(CC) $(CCFLAGS) $(INC) -c $< -o $@
+
+$(NAME): $(OBJ) | libunit
+	$(CC) $(CCFLAGS) $(INC) $(OBJ) $(LIBS) -o $(NAME)
+
+libunit:
+	@$(MAKE) -C ..
+
+clean:
+	$(RM) $(OBJ) $(SRC:.c=.d)
+
+fclean: clean
+	$(RM) $(NAME)
+
+re: fclean all
+
+-include $(SRC:.c=.d)
+
+.PHONY: all clean fclean re libunit
diff --git a/tests/libunit/00_launcher.c b/tests/libunit/00_launcher.c
index 483488e..4f9aa3e 100644
--- a/tests/libunit/00_launcher.c
+++ b/tests/libunit/00_launcher.c
@@ -6,24 +6,23 @@
 /*   By: elagouch <elagouch@student.42lyon.fr>      +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2026/01/24 15:32:32 by elagouch          #+#    #+#             */
-/*   Updated: 2026/01/24 16:16:24 by elagouch         ###   ########.fr       */
+/*   Updated: 2026/01/24 16:47:43 by elagouch         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
 #include "../tests.h"
 
-int libunit_launcher(void) {
-  t_unit_test *testlist;
-  size_t      res;
+int	libunit_launcher(void)
+{
+	t_unit_test	*testlist;
+	size_t		res;
 
-  testlist = NULL;
-  load_test(&testlist, "successful", &test_ok);
-  load_test(&testlist, "unsuccessful", &test_ko);
-  load_test(&testlist, "sigsegv", &test_ko);
-  load_test(&testlist, "sigbus", &test_ko);
-
-  res = launch_tests(testlist, "libunit");
-  clear_tests(&testlist);
-
-  return (res);
+	testlist = NULL;
+	load_test(&testlist, "successful", &test_ok);
+	load_test(&testlist, "unsuccessful", &test_ko);
+	load_test(&testlist, "sigsegv", &test_sigsegv);
+	load_test(&testlist, "sigbus", &test_sigbus);
+	res = launch_tests(testlist, "libunit");
+	clear_tests(&testlist);
+	return (res);
 }
diff --git a/tests/libunit/02_ko.c b/tests/libunit/02_ko.c
index 22cd63c..f8cf1a2 100644
--- a/tests/libunit/02_ko.c
+++ b/tests/libunit/02_ko.c
@@ -10,6 +10,7 @@
 /*                                                                            */
 /* ************************************************************************** */
 
-int test_ko(void) {
-  return (0);
+int	test_ko(void)
+{
+	return (0);
 }
diff --git a/tests/libunit/03_sigsegv.c b/tests/libunit/03_sigsegv.c
index b7cc362..b92429e 100644
--- a/tests/libunit/03_sigsegv.c
+++ b/tests/libunit/03_sigsegv.c
@@ -12,7 +12,8 @@
 
 #include <signal.h>
 
-int test_sigsegv(void) {
-  raise(SIGSEGV);
-  return (1);
+int	test_sigsegv(void)
+{
+	raise(SIGSEGV);
+	return (1);
 }
diff --git a/tests/libunit/04_sigbus.c b/tests/libunit/04_sigbus.c
index b8c568a..06aca74 100644
--- a/tests/libunit/04_sigbus.c
+++ b/tests/libunit/04_sigbus.c
@@ -12,7 +12,8 @@
 
 #include <signal.h>
 
-int test_sigbus(void) {
-  raise(SIGBUS);
-  return (1);
+int	test_sigbus(void)
+{
+	raise(SIGBUS);
+	return (1);
 }
diff --git a/libft/ft_strlen/02_null_test.c b/tests/main.c
similarity index 72%
rename from libft/ft_strlen/02_null_test.c
rename to tests/main.c
index 565d235..11bf0f7 100644
--- a/libft/ft_strlen/02_null_test.c
+++ b/tests/main.c
@@ -1,17 +1,18 @@
 /* ************************************************************************** */
 /*                                                                            */
 /*                                                        :::      ::::::::   */
-/*   02_null_test.c                                     :+:      :+:    :+:   */
+/*   main.c                                             :+:      :+:    :+:   */
 /*                                                    +:+ +:+         +:+     */
 /*   By: elagouch <elagouch@student.42lyon.fr>      +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
-/*   Created: 2026/01/24 15:38:17 by elagouch          #+#    #+#             */
-/*   Updated: 2026/01/24 16:01:12 by elagouch         ###   ########.fr       */
+/*   Created: 2026/01/24 18:53:13 by elagouch          #+#    #+#             */
+/*   Updated: 2026/01/24 18:53:14 by elagouch         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
-#include "libft.h"
+#include "tests.h"
 
-int test_null(void) {
-  return (ft_strlen(NULL) == 0);
+int	main(void)
+{
+	libunit_launcher();
 }
diff --git a/tests/tests.h b/tests/tests.h
index 24a4f2d..0fc03ff 100644
--- a/tests/tests.h
+++ b/tests/tests.h
@@ -6,7 +6,7 @@
 /*   By: elagouch <elagouch@student.42lyon.fr>      +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2026/01/24 15:32:30 by elagouch          #+#    #+#             */
-/*   Updated: 2026/01/24 16:16:20 by elagouch         ###   ########.fr       */
+/*   Updated: 2026/01/24 18:41:02 by elagouch         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -16,16 +16,12 @@
 # include "libunit.h"
 
 // LAUNCHERS
-int strlen_launcher(void);
+int	libunit_launcher(void);
 
 // libunit
-int test_ok(void);
-int test_ko(void);
-int test_sigsegv(void);
-int test_sigbus(void);
-
-// strlen
-int test_basic(void);
-int test_null(void);
+int	test_ok(void);
+int	test_ko(void);
+int	test_sigsegv(void);
+int	test_sigbus(void);
 
 #endif // !TESTS_H