diff --git a/_ci_tdd/test_files/test_main_miunit.c b/_ci_tdd/test_files/test_main_miunit.c
index 9dd4159..3f8e17d 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: 2024/05/20 12:53:01 by umeneses         ###   ########.fr       */
+/*   Updated: 2024/05/20 13:10:16 by umeneses         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -14,6 +14,49 @@
 #include "push_swap.h"
 #include "../../program_to_test/src/push_functions.c"
 
+MU_TEST(test_ft_swap_ab)
+{
+	// ARRNAGE
+	int top_a = 5;
+	int	middle_a = 21;
+	int bottom_a = 11;
+	int top_b = 99;
+	int middle_b = 88;
+	int bottom_b = 77;
+	int actual_result_a;
+	int actual_result_b;
+	int expected_result_a;
+	int expected_result_b;
+	t_stack	*stack_a;
+	t_stack	*stack_b;
+
+	stack_a = (t_stack *)ft_calloc(1, sizeof(t_stack));
+	stack_b = (t_stack *)ft_calloc(1, sizeof(t_stack));
+	stack_a->next = NULL;
+	stack_b->next = NULL;
+	stack_a->prev = NULL;
+	stack_b->prev = NULL;
+	// stack_a->nbr = top_a;
+	// stack_b->nbr = top_b;
+	expected_result_a = bottom_a;
+	expected_result_b = bottom_b;
+
+	// ACT
+	stack_a = ft_lstend_int(stack_a, top_a);
+	stack_a = ft_lstend_int(stack_a, middle_a);
+	stack_a = ft_lstend_int(stack_a, bottom_a);
+	stack_b = ft_lstend_int(stack_b, top_b);
+	stack_b = ft_lstend_int(stack_b, middle_b);
+	stack_b = ft_lstend_int(stack_b, bottom_b);
+	ft_swap_ab(&stack_a, &stack_b);
+	actual_result_a = stack_a->nbr;
+	actual_result_b = stack_b->nbr;
+
+	// ASSERT
+	mu_assert_int_eq(expected_result_a, actual_result_a);
+	mu_assert_int_eq(expected_result_b, actual_result_b);
+}
+
 MU_TEST(test_ft_swap)
 {
 	// ARRANGE
@@ -27,7 +70,7 @@ MU_TEST(test_ft_swap)
 	stack = (t_stack *)ft_calloc(1, sizeof(t_stack));
 	stack->next = NULL;
 	stack->prev = NULL;
-	stack->nbr = top;
+	// stack->nbr = top;
 	expected_result = bottom;
 
 	// ACT
@@ -72,6 +115,7 @@ MU_TEST_SUITE(first_tests)
 	MU_RUN_TEST(test_pushadd_5plus4);
 	MU_RUN_TEST(test_pushsubtract_5minus3);
 	MU_RUN_TEST(test_ft_swap);
+	MU_RUN_TEST(test_ft_swap_ab);
 }
 
 int main(void)
diff --git a/program_to_test/src/push_functions.c b/program_to_test/src/push_functions.c
index 2c2d2d8..06f862d 100644
--- a/program_to_test/src/push_functions.c
+++ b/program_to_test/src/push_functions.c
@@ -6,7 +6,7 @@
 /*   By: umeneses <umeneses@student.42.fr>          +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2024/05/13 14:49:58 by umeneses          #+#    #+#             */
-/*   Updated: 2024/05/20 12:53:18 by umeneses         ###   ########.fr       */
+/*   Updated: 2024/05/20 13:13:47 by umeneses         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -45,17 +45,28 @@ void	ft_swap(t_stack **stack)
 		return ;	
 	first = *stack;
 	last = *stack;
-	temp = 0;
+	temp = first->nbr;
 	while (last->next != NULL)
 	{
 		last->prev = last;
 		last = last->next;
 	}
-	temp = first->nbr;
 	first->nbr = last->nbr;
 	last->nbr = temp;
 }
 
+void	ft_swap_ab(t_stack **stack_a, t_stack **stack_b)
+{
+	ft_swap(stack_a);
+	ft_swap(stack_b);
+}
+
+
+
+
+
+
+
 int	push_add(int a, int b)
 {
 	return (a + b);