diff --git a/src/fr/test/test.java b/src/fr/test/test.java
index 9ab4826..b481ac2 100644
--- a/src/fr/test/test.java
+++ b/src/fr/test/test.java
@@ -5,6 +5,7 @@ import java.util.HashSet;
 
 import static org.junit.Assert.*;
 
+import org.junit.Before;
 import org.junit.Test;
 
 import src.fr.impl.*;
@@ -12,36 +13,40 @@ import src.fr.api.*;
 
 
 public class test {
-    public static void main(String[] args){
-        Category Engine = new CategoryImpl("Engine");
-        Category Transmission = new CategoryImpl("Transmission");
-        Category Exterior= new CategoryImpl("Exterior");
-        Category Interior= new CategoryImpl("Interior");
 
-        //PartType
-        PartType EG100= new PartTypeImpl("EG100", Engine);
-        PartType EG133= new PartTypeImpl("EG133", Engine);
-        PartType EG210= new PartTypeImpl("EG210", Engine);
-        PartType ED110= new PartTypeImpl("ED110", Engine);
-        PartType ED180= new PartTypeImpl("ED180", Engine);
-        PartType EH120= new PartTypeImpl("EH120", Engine);
+    Category Engine = new CategoryImpl("Engine");
+    Category Transmission = new CategoryImpl("Transmission");
+    Category Exterior= new CategoryImpl("Exterior");
+    Category Interior= new CategoryImpl("Interior");
 
-        PartType TM5= new PartTypeImpl("TM5", Transmission);
-        PartType TM6= new PartTypeImpl("TM6", Transmission);
-        PartType TA5= new PartTypeImpl("TA5", Transmission);
-        PartType TS6= new PartTypeImpl("TS6", Transmission);
-        PartType TSF7= new PartTypeImpl("TSF7", Transmission);
-        PartType TC120= new PartTypeImpl("TC120", Transmission);
+    //PartType
+    PartType EG100= new PartTypeImpl("EG100", Engine);
+    PartType EG133= new PartTypeImpl("EG133", Engine);
+    PartType EG210= new PartTypeImpl("EG210", Engine);
+    PartType ED110= new PartTypeImpl("ED110", Engine);
+    PartType ED180= new PartTypeImpl("ED180", Engine);
+    PartType EH120= new PartTypeImpl("EH120", Engine);
 
-        PartType XC= new PartTypeImpl("XC", Exterior);
-        PartType XM= new PartTypeImpl("XM", Exterior);
-        PartType XS= new PartTypeImpl("XS", Exterior);
+    PartType TM5= new PartTypeImpl("TM5", Transmission);
+    PartType TM6= new PartTypeImpl("TM6", Transmission);
+    PartType TA5= new PartTypeImpl("TA5", Transmission);
+    PartType TS6= new PartTypeImpl("TS6", Transmission);
+    PartType TSF7= new PartTypeImpl("TSF7", Transmission);
+    PartType TC120= new PartTypeImpl("TC120", Transmission);
 
-        PartType IN= new PartTypeImpl("IN", Interior);
-        PartType IH= new PartTypeImpl("IH", Interior);
-        PartType IS= new PartTypeImpl("IS", Interior);
+    PartType XC= new PartTypeImpl("XC", Exterior);
+    PartType XM= new PartTypeImpl("XM", Exterior);
+    PartType XS= new PartTypeImpl("XS", Exterior);
+
+    PartType IN= new PartTypeImpl("IN", Interior);
+    PartType IH= new PartTypeImpl("IH", Interior);
+    PartType IS= new PartTypeImpl("IS", Interior);
+
+    CompatibilityManager cm = new CompatibilityManagerImpl();
+
+    @Before
+    public void init(){
 
-        CompatibilityManager cm = new CompatibilityManagerImpl();
 
         Set<PartType> EH120Requirement = new HashSet<PartType>();
         EH120Requirement.add(TC120);
@@ -91,13 +96,19 @@ public class test {
     }
 
     @Test
-    public void test(){
-        assertTrue(true);
+    public void test_1_Incompatibilities(){
+        assertTrue(cm.getIncompatibilities(EH120).contains(TC120));
     }
+
     @Test
-    public void test2(){
-        assertEquals(1,1); //very Important test
+    public void test_multiple_Incompatibilities(){
+        assertTrue(
+            cm.getIncompatibilities(TSF7).contains(EG100)&&
+            cm.getIncompatibilities(TSF7).contains(EG133)&&
+            cm.getIncompatibilities(TSF7).contains(ED110)
+            );
     }
 
+
     
 }