diff --git a/Makefile b/Makefile
index f1e9645..0955987 100644
--- a/Makefile
+++ b/Makefile
@@ -9,6 +9,7 @@ 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
 OBJ				= $(SRC:.c=.o)
 
diff --git a/libunit.c b/libunit.c
index 9efa341..b0b3a8c 100644
--- a/libunit.c
+++ b/libunit.c
@@ -22,7 +22,14 @@ static size_t	interpret_status(int status, const char *fn_name
 	ft_putstr_fd(" : ", 1);
 	ft_putstr_fd(test_name, 1);
 	ft_putstr_fd(" : ", 1);
-	if (WIFEXITED(status))
+	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 (WEXITSTATUS(status))
 			ft_putstr_fd("[KO]\n", 1);
@@ -32,13 +39,6 @@ static size_t	interpret_status(int status, const char *fn_name
 			return (1);
 		}
 	}
-	else if (WIFSIGNALED(status))
-	{
-		if (WTERMSIG(status) == 11)
-			ft_putstr_fd("[SIGSEGV]\n", 1);
-		else if (WTERMSIG(status) == 10)
-			ft_putstr_fd("[SIGBUS]\n", 1);
-	}
 	return (0);
 }
 
@@ -47,7 +47,7 @@ static void	print_passed_test(size_t ok_tests, t_unit_test *test_list)
 	ft_putnbr_fd(ok_tests, 1);
 	ft_putchar_fd('/', 1);
 	ft_putnbr_fd((int)count_tests(test_list), 1);
-	ft_putstr_fd(" tests checked", 1);
+	ft_putstr_fd(" tests checked\n", 1);
 }
 
 int	launch_tests(t_unit_test *test_list, const char *fn_name)
diff --git a/libunit.h b/libunit.h
index 17e7d3e..166ad06 100644
--- a/libunit.h
+++ b/libunit.h
@@ -67,7 +67,8 @@ int						launch_tests(t_unit_test *test_list,
 							const char *fn_name);
 
 // LAUNCHERS
-int           strlen_launcher(void);
-int           libunit_launcher(void);
+int						strlen_launcher(void);
+int						libunit_launcher(void);
+int						atoi_launcher(void);
 
 #endif // !UTIL_UNIT_H
diff --git a/main.c b/main.c
index 21ca363..9cdf324 100644
--- a/main.c
+++ b/main.c
@@ -16,4 +16,5 @@ int main(void)
 {
   libunit_launcher();
   strlen_launcher();
+  atoi_launcher();
 }
diff --git a/real_tests/ft_atoi/00_launcher.c b/real_tests/ft_atoi/00_launcher.c
new file mode 100644
index 0000000..53b2fa5
--- /dev/null
+++ b/real_tests/ft_atoi/00_launcher.c
@@ -0,0 +1,28 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   00_launcher.c                                      :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: dgaillet <dgaillet@student.42lyon.fr>      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2026/01/24 16:22:35 by dgaillet          #+#    #+#             */
+/*   Updated: 2026/01/24 16:22:36 by dgaillet         ###   ########lyon.fr   */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "../tests.h"
+
+int	atoi_launcher(void)
+{
+	t_unit_test	*testlist;
+	size_t		res;
+
+	testlist = NULL;
+	load_test(&testlist, "OK test", &atoi_ok_test);
+	load_test(&testlist, "KO test", &atoi_ko_test);
+	load_test(&testlist, "SIGSEGV test", &atoi_sigsegv_test);
+	load_test(&testlist, "SIGBUS test", &atoi_sigbus_test);
+	res = launch_tests(testlist, "atoi");
+	clear_tests(&testlist);
+	return (res);
+}
diff --git a/real_tests/ft_atoi/01_ok.c b/real_tests/ft_atoi/01_ok.c
new file mode 100644
index 0000000..f9d909c
--- /dev/null
+++ b/real_tests/ft_atoi/01_ok.c
@@ -0,0 +1,7 @@
+#include "../tests.h"
+#include "libft.h"
+
+int	atoi_ok_test(void)
+{
+	return (ft_atoi("10") == 10);
+}
diff --git a/real_tests/ft_atoi/02_ko.c b/real_tests/ft_atoi/02_ko.c
new file mode 100644
index 0000000..b8dd86e
--- /dev/null
+++ b/real_tests/ft_atoi/02_ko.c
@@ -0,0 +1,6 @@
+#include "../tests.h"
+
+int	atoi_ko_test(void)
+{
+	return (ft_atoi("30") == 10);
+}
diff --git a/real_tests/ft_atoi/03_sigsegv.c b/real_tests/ft_atoi/03_sigsegv.c
new file mode 100644
index 0000000..e561d2f
--- /dev/null
+++ b/real_tests/ft_atoi/03_sigsegv.c
@@ -0,0 +1,7 @@
+#include "../tests.h"
+#include <stdlib.h>
+
+int	atoi_sigsegv_test(void)
+{
+	return (ft_atoi(NULL));
+}
diff --git a/real_tests/ft_atoi/04_sigbus.c b/real_tests/ft_atoi/04_sigbus.c
new file mode 100644
index 0000000..4af0489
--- /dev/null
+++ b/real_tests/ft_atoi/04_sigbus.c
@@ -0,0 +1,6 @@
+#include "../tests.h"
+
+int	atoi_sigbus_test(void)
+{
+	return (ft_atoi((void *) -2147483648));
+}
diff --git a/real_tests/tests.h b/real_tests/tests.h
index 33785ba..92f8d6d 100644
--- a/real_tests/tests.h
+++ b/real_tests/tests.h
@@ -19,4 +19,11 @@
 int test_basic(void);
 int test_null(void);
 
+// atoi
+int	atoi_ok_test(void);
+int	atoi_ko_test(void);
+int	atoi_sigsegv_test(void);
+int	atoi_sigbus_test(void);
+
+
 #endif // !TESTS_H