diff --git a/src/fr/test/test.java b/src/fr/test/test.java
index 840ba2a..cdf671f 100644
--- a/src/fr/test/test.java
+++ b/src/fr/test/test.java
@@ -44,6 +44,13 @@ public class test {
 
     CompatibilityManager cm = new CompatibilityManagerImpl();
 
+    PartType[] list = {EG100,EG133,EG210,ED110,ED180,EH120,TM5,TM6,TA5,TS6,TSF7,TC120,XC,XM,XS,IN,IH,IS};
+    PartType[] listEn = {EG100,EG133,EG210,ED110,ED180,EH120};
+    PartType[] listTr = {TM5,TM6,TA5,TS6,TSF7,TC120};
+    PartType[] listEx = {XC,XM,XS};
+    PartType[] listIn = {IN,IH,IS};
+
+
     @Before
     public void init(){
 
@@ -89,19 +96,15 @@ public class test {
         cm.addRequirements(XS, XSRequirement);
         cm.addIncompatibilities(IS, ISIncompatibilities);
         cm.addRequirements(IS, ISRequirement);
-
-
-
-
     }
 
     @Test
-    public void test_1_Incompatibilities_1(){
+    public void test_Incompatibilities_Simple_1(){
         assertTrue(cm.getIncompatibilities(TA5).contains(EG100));
     }
 
     @Test
-    public void test_multiple_Incompatibilities_2(){
+    public void test_multiple_Incompatibilities_Simple_2(){
         assertTrue(
             cm.getIncompatibilities(TSF7).contains(EG100)&&
             cm.getIncompatibilities(TSF7).contains(EG133)&&
@@ -114,9 +117,16 @@ public class test {
         assertTrue(cm.getRequirements(EH120).contains(TC120));
     }
 
+    /*
+     * if require only one Transmission --> all other is incompatible
+     */
     @Test
-    public void test_Empty_Incompatibilities_4(){
-        assertTrue(cm.getIncompatibilities(EH120).isEmpty());
+    public void test_Incompatibilities_Complex_4(){
+        for(int i = 0; i<listTr.length; i++){
+            if(listTr[i]!=TC120){
+                assertTrue(cm.getIncompatibilities(EH120).contains(listTr[i]));
+            }
+        }
     }
 
     @Test