diff --git a/_ci_tdd/test_files/test_main_miunit.c b/_ci_tdd/test_files/test_main_miunit.c
index 19fb36e..049bea4 100644
--- a/_ci_tdd/test_files/test_main_miunit.c
+++ b/_ci_tdd/test_files/test_main_miunit.c
@@ -6,7 +6,7 @@
 /*   By: umeneses <umeneses@student.42.fr>          +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2024/05/09 19:06:12 by umeneses          #+#    #+#             */
-/*   Updated: 2024/06/06 17:28:18 by umeneses         ###   ########.fr       */
+/*   Updated: 2024/06/07 15:07:05 by umeneses         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -30,7 +30,7 @@
 // #include "minunit_utils.h"
 
 // TODO:
-// make test for a list with three, four and five numbers
+// make test for a list with four or more numbers
 // make test for signs (- +)
 // make test for non-numbers input
 // make test for empty list
@@ -39,6 +39,42 @@ int		ft_minunit_array_counter(char **array);
 void	ft_array_clear(char **array, int arr_size);
 void	ft_array_printer(char **array, int arr_size);
 
+
+
+MU_TEST(test_sort_3_nbrs_already_sorted)
+{
+	// ARRANGE
+	t_stack	*stack;
+	char	**argv_simulation = NULL;
+	char	*userinput;
+	int		expected_size;
+	int		actual_size;
+	int		expected_sorted_bottom;
+	int		actual_sorted_bottom;
+	int		expected_sorted_top;
+	int		actual_sorted_top;
+
+	// ACT
+	stack = NULL;
+	userinput = "./push_swap 1 2 3";
+	argv_simulation = ft_split(userinput, ' ');
+	expected_size = ft_minunit_array_counter(argv_simulation);
+	expected_sorted_top = ft_atoi(argv_simulation[1]);
+	expected_sorted_bottom = ft_atoi(argv_simulation[3]);
+	stack = ft_lts_buildstack_argv(&stack, argv_simulation);
+	stack = ft_sort_3_nbrs(&stack);
+	actual_size = ft_lstsize_int((t_list *)stack);
+	actual_sorted_top = ft_lst_goto_head(stack)->nbr;
+	actual_sorted_bottom = ft_lst_goto_end(stack)->nbr;
+
+	// ASSERT
+	mu_assert_int_eq(expected_size, actual_size);
+	mu_assert_int_eq(expected_sorted_bottom, actual_sorted_bottom);
+	mu_assert_int_eq(expected_sorted_top, actual_sorted_top);
+	ft_lstclear_single_ptr(stack);
+	ft_array_clear(argv_simulation, expected_size);
+}
+
 MU_TEST(test_sort_3_nbrs_highest_last)
 {
 	// ARRANGE
@@ -1037,6 +1073,7 @@ MU_TEST_SUITE(sorting_tests)
 	MU_RUN_TEST(test_sort_3_nbrs_highest_first);
 	MU_RUN_TEST(test_sort_3_nbrs_highest_first_v2);
 	MU_RUN_TEST(test_sort_3_nbrs_highest_last);
+	MU_RUN_TEST(test_sort_3_nbrs_already_sorted);
 }
 
 int main(void)