diff --git a/src/main/java/org/petriNet/Arc_SORTANT.java b/src/main/java/org/petriNet/Arc_SORTANT.java
index ff4cf5406880b6af384018fba15a880483e86638..c106470141709a02f35d225fe550184da7efaa89 100644
--- a/src/main/java/org/petriNet/Arc_SORTANT.java
+++ b/src/main/java/org/petriNet/Arc_SORTANT.java
@@ -15,7 +15,7 @@ public class Arc_SORTANT extends Arc {
     @Override
     public void valider() {
         // On ajoute le nombre de jetons du poids de l'arc
-        this.place.ajouter_jeton(this.poids);
+        this.getPlace().ajouter_jeton(this.getPoids());
     }
 
 }
\ No newline at end of file
diff --git a/src/main/java/org/petriNet/ReseauPetri.java b/src/main/java/org/petriNet/ReseauPetri.java
index 743d1794abc0a2edf9909210d6d26b5e1e31d419..214359fc599b5d7ce5fbd8a331e7844fa31efd7d 100644
--- a/src/main/java/org/petriNet/ReseauPetri.java
+++ b/src/main/java/org/petriNet/ReseauPetri.java
@@ -180,22 +180,23 @@ public class ReseauPetri implements PetriNetService {
 		System.out.println("Liste des places :");
 			// On parcourt la liste des arcs pour afficher les places
 			// une liste pur les arcs entrants et une liste pour les arcs sortants
+		for (Place place : this.places) {
 			List<Arc> arcs_ENTRANTS = new ArrayList<>();
 			List<Arc> arcs_SORTANTS = new ArrayList<>();
-		for (Place place : this.places) {
 			for (Arc arc : this.arcs) {
 				// we verify getting arc.getPlace() == place
 				if (arc.getPlace().getId() == place.getId()) {
 					// we verify if it's an arc entrant
 					if (arc instanceof Arc_ENTRANT) {
 						arcs_ENTRANTS.add(arc);
-					} else {
+					} else if (arc instanceof Arc_SORTANT) {
 						arcs_SORTANTS.add(arc);
 					}
 				}
 			}
+			// entrants / sortants à la place
 			System.out.println(place.getId() + " : place avec " + place.get_nombre_jetons() + " jetons, "
-					+ arcs_SORTANTS.size() + " arc simple sortant, " + arcs_ENTRANTS.size() + " arc simple entrant");
+					+ arcs_ENTRANTS.size() + " arc simple sortant, " + arcs_SORTANTS.size() + " arc simple entrant");
 		}
 
 		System.out.println("Liste des transitions :");
diff --git a/src/main/java/org/petriNet/Transition.java b/src/main/java/org/petriNet/Transition.java
index 474dc5edf97a0537b75f79451a2d8b5ace0e0f70..8d15c5ac2b400eedff833e320d65255af7bd00bd 100644
--- a/src/main/java/org/petriNet/Transition.java
+++ b/src/main/java/org/petriNet/Transition.java
@@ -92,11 +92,11 @@ public class Transition {
         boolean tirable = est_tirable();
 
         if (tirable) {
-            for (Arc_ENTRANT arc_ENTRANT : arcs_ENTRANTS) {
+            for (Arc_ENTRANT arc_ENTRANT : this.getArcs_ENTRANTS()) {
                 arc_ENTRANT.valider();
             }
 
-            for (Arc_SORTANT arc_SORTANT : arcs_SORTANTS) {
+            for (Arc_SORTANT arc_SORTANT : this.getArcs_SORTANTS()) {
                 arc_SORTANT.valider();
             }
             System.out.println("Transition tirée avec succès");
diff --git a/src/test/java/org/petriNet/ReseauPetriTest.java b/src/test/java/org/petriNet/ReseauPetriTest.java
index 389443aa42bc1da020987d261eabd80a91a9b7c2..f942ba833e22cb67d23d24aaadae4415b18db9a9 100644
--- a/src/test/java/org/petriNet/ReseauPetriTest.java
+++ b/src/test/java/org/petriNet/ReseauPetriTest.java
@@ -265,6 +265,29 @@ public class ReseauPetriTest {
 
         Transition T1 = new Transition("T1", Active.generateId(2));
 
+        // Active has one Place with 1 jeton
+        Place P1 = new Place(1, Active.generateId(1));
+        Active.ajouterPlace(P1);
+
+        // Creer l'arc sortant de T1 vers P1
+        Arc_SORTANT arc = new Arc_SORTANT(T1, P1, 1, Active.generateId(0));
+        Active.ajouterArc(arc);
+
+        T1.ajouterArc_SORTANT(arc);
+        Active.ajouterTransition(T1);
+
+        // Tirer T1
+        Active.tirer_transition(String.valueOf(T1.getId()));
+        Active.afficherReseau();
+
+    }
+
+    @Test
+    public void testActiverPetri_6() {
+        ReseauPetri Active = new ReseauPetri();
+
+        Transition T1 = new Transition("T1", Active.generateId(2));
+
         // Active has two Places with 0 and 2 jetons
         Place P1 = new Place(0, Active.generateId(1));
         Place P2 = new Place(2, Active.generateId(1));
@@ -286,4 +309,129 @@ public class ReseauPetriTest {
         Active.afficherReseau();
     }
 
+    @Test
+    public void testActiverPetri_7() {
+        ReseauPetri Active = new ReseauPetri();
+
+        Transition T1 = new Transition("T1", Active.generateId(2));
+
+        // Active has two Places with 5 and 0 jetons
+        Place P1 = new Place(5, Active.generateId(1));
+        Place P2 = new Place(0, Active.generateId(1));
+        Active.ajouterPlace(P1);
+        Active.ajouterPlace(P2);
+
+        // Creer l'arc entrant simple à T1 de P1
+        Arc_ENTRANT arc = new Arc_entrant_simple(T1, P1, 3, Active.generateId(0));
+        Active.ajouterArc(arc);
+        Arc_SORTANT arc_1 = new Arc_SORTANT(T1, P2, 1, Active.generateId(0));
+        Active.ajouterArc(arc_1);
+
+        T1.ajouterArc_ENTRANT(arc);
+        T1.ajouterArc_SORTANT(arc_1);
+        Active.ajouterTransition(T1);
+
+        // Tirer T1
+        Active.tirer_transition(String.valueOf(T1.getId()));
+        Active.afficherReseau();
+    }
+
+    @Test
+    public void testActiverPetri_8() {
+        ReseauPetri Active = new ReseauPetri();
+
+        Transition T1 = new Transition("T1", Active.generateId(2));
+
+        // Active has two Places with 2 and 1 jetons
+        Place P1 = new Place(2, Active.generateId(1));
+        Place P2 = new Place(1, Active.generateId(1));
+        Active.ajouterPlace(P1);
+        Active.ajouterPlace(P2);
+
+        // Creer l'arc entrant simple à T1 de P1 et de P2
+        Arc_ENTRANT arc = new Arc_entrant_simple(T1, P1, 1, Active.generateId(0));
+        Active.ajouterArc(arc);
+        Arc_ENTRANT arc_1 = new Arc_entrant_simple(T1, P2, 1, Active.generateId(0));
+        Active.ajouterArc(arc_1);
+
+        T1.ajouterArc_ENTRANT(arc);
+        T1.ajouterArc_ENTRANT(arc_1);
+
+        Active.ajouterTransition(T1);
+
+        // Tirer T1
+        Active.tirer_transition(String.valueOf(T1.getId()));
+        Active.afficherReseau();
+    }
+
+    @Test
+    public void testActiverPetri_9() {
+        ReseauPetri Active = new ReseauPetri();
+
+        Transition T1 = new Transition("T1", Active.generateId(2));
+
+        // Active has two Places with 0 and 1 jetons
+        Place P1 = new Place(0, Active.generateId(1));
+        Place P2 = new Place(1, Active.generateId(1));
+        Active.ajouterPlace(P1);
+        Active.ajouterPlace(P2);
+
+        // Creer l'arc sortant de T1 vers P1 et de P2
+        Arc_SORTANT arc = new Arc_SORTANT(T1, P1, 1, Active.generateId(0));
+        Active.ajouterArc(arc);
+        Arc_SORTANT arc_1 = new Arc_SORTANT(T1, P2, 1, Active.generateId(0));
+        Active.ajouterArc(arc_1);
+
+        T1.ajouterArc_SORTANT(arc);
+        T1.ajouterArc_SORTANT(arc_1);
+
+        Active.ajouterTransition(T1);
+
+        // Tirer T1
+        Active.tirer_transition(String.valueOf(T1.getId()));
+        Active.afficherReseau();
+
+    }
+
+    @Test
+    public void testActiverPetri_10() {
+        ReseauPetri Active = new ReseauPetri();
+
+        Transition T1 = new Transition("T1", Active.generateId(2));
+
+        // Active has 4 Places with 1 and 1 jetons and 0 and 0 jetons
+        Place P1 = new Place(1, Active.generateId(1));
+        Place P2 = new Place(1, Active.generateId(1));
+        Place P3 = new Place(0, Active.generateId(1));
+        Place P4 = new Place(0, Active.generateId(1));
+        Active.ajouterPlace(P1);
+        Active.ajouterPlace(P2);
+        Active.ajouterPlace(P3);
+        Active.ajouterPlace(P4);
+
+        // Creer l'arc entrant simple à T1 de P1 et de P2
+        Arc_ENTRANT arc = new Arc_entrant_simple(T1, P1, 1, Active.generateId(0));
+        Active.ajouterArc(arc);
+        Arc_ENTRANT arc_1 = new Arc_entrant_simple(T1, P2, 1, Active.generateId(0));
+        Active.ajouterArc(arc_1);
+
+        // Creer l'arc sortant de T1 vers P3 et de P4
+        Arc_SORTANT arc_2 = new Arc_SORTANT(T1, P3, 1, Active.generateId(0));
+        Active.ajouterArc(arc_2);
+        Arc_SORTANT arc_3 = new Arc_SORTANT(T1, P4, 1, Active.generateId(0));
+        Active.ajouterArc(arc_3);
+
+        T1.ajouterArc_ENTRANT(arc);
+        T1.ajouterArc_ENTRANT(arc_1);
+        T1.ajouterArc_SORTANT(arc_2);
+        T1.ajouterArc_SORTANT(arc_3);
+
+        Active.ajouterTransition(T1);
+
+        // Tirer T1
+        Active.tirer_transition(String.valueOf(T1.getId()));
+        Active.afficherReseau();
+
+    }
+
 }
diff --git a/src/test/java/org/petriNet/TransitionTest.java b/src/test/java/org/petriNet/TransitionTest.java
deleted file mode 100644
index e2ab20b59584c33f1452340a6dccba4a9e186432..0000000000000000000000000000000000000000
--- a/src/test/java/org/petriNet/TransitionTest.java
+++ /dev/null
@@ -1,14 +0,0 @@
-package org.petriNet;// src/test/java/org/petriNet/TransitionTest.java
-import org.junit.jupiter.api.BeforeEach;
-import org.junit.jupiter.api.Test;
-
-import java.util.ArrayList;
-import java.util.List;
-import static org.junit.jupiter.api.Assertions.*;
-
-public class TransitionTest {
-    private Transition transition;
-    private List<Arc_SORTANT> arcs_SORTANTS;
-    private List<Arc_ENTRANT> arcs_ENTRANTS;
-
-}