diff --git a/c03/ex04.c b/c03/ex04.c
index 45a5016..c4dfb93 100644
--- a/c03/ex04.c
+++ b/c03/ex04.c
@@ -6,12 +6,16 @@
 /*   By: achubuko <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2023/11/30 22:27:20 by achubuko          #+#    #+#             */
-/*   Updated: 2023/11/30 22:53:40 by achubuko         ###   ########.fr       */
+/*   Updated: 2023/11/30 23:24:57 by achubuko         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 #include <unity.h>
+#include <string.h>
 
 char	*ft_strstr(char *str, char *to_find);
+char	*g_hs = "Hello_world";
+char	*g_needle = "Wo";
+char	*g_garbage = "zzzZz";
 
 void	setUp(void)
 {
@@ -21,8 +25,30 @@ void	tearDown(void)
 {
 }
 
+void	test_strstr_no_match(void)
+{
+	char	*r1;
+	char	*r2;
+
+	r1 = strstr(g_hs, g_garbage);
+	r2 = ft_strstr(g_hs, g_garbage);
+	TEST_ASSERT_EQUAL_PTR(r1, r2);
+}
+
+void	test_strstr(void)
+{
+	char	*r1;
+	char	*r2;
+
+	r1 = strstr(g_hs, g_needle);
+	r2 = ft_strstr(g_hs, g_needle);
+	TEST_ASSERT_EQUAL_PTR(r1, r2);
+}
+
 int	main(void)
 {
 	UNITY_BEGIN();
+	RUN_TEST(test_strstr_no_match);
+	RUN_TEST(test_strstr);
 	return (UNITY_END());
 }
diff --git a/r.bash b/r.bash
index 2cbbe45..0182885 100755
--- a/r.bash
+++ b/r.bash
@@ -1,2 +1,4 @@
 #!/bin/bash
-T=build/"$1"; make $T && $T
+T=build/"$1"
+norminette ../c*
+make $T && $T