diff --git a/lib/hamcrest-core-1.3.jar b/lib/hamcrest-core-1.3.jar
new file mode 100644
index 0000000..9d5fe16
Binary files /dev/null and b/lib/hamcrest-core-1.3.jar differ
diff --git a/lib/junit-4.13.2.jar b/lib/junit-4.13.2.jar
new file mode 100644
index 0000000..6da55d8
Binary files /dev/null and b/lib/junit-4.13.2.jar differ
diff --git a/tests/test.java b/tests/test.java
index fb09535..1bbf204 100644
--- a/tests/test.java
+++ b/tests/test.java
@@ -1,5 +1,12 @@
 package tests;
 import src.*;
+import java.util.Set;
+import java.util.HashSet;
+
+
+import static org.junit.Assert.*;
+
+import org.junit.Test;
 
 public class test {
     public static void main(String[] args){
@@ -16,8 +23,67 @@ public class test {
         PartType ED180= new PartType("ED180", Engine);
         PartType EH120= new PartType("EH120", Engine);
 
-        //Transmission
-        PartType TM5= new PartType("TM5", Engine);
+        PartType TM5= new PartType("TM5", Transmission);
+        PartType TM6= new PartType("TM6", Transmission);
+        PartType TA5= new PartType("TA5", Transmission);
+        PartType TS6= new PartType("TS6", Transmission);
+        PartType TSF7= new PartType("TSF7", Transmission);
+        PartType TC120= new PartType("TC120", Transmission);
+
+        PartType XC= new PartType("XC", Exterior);
+        PartType XM= new PartType("XM", Exterior);
+        PartType XS= new PartType("XS", Exterior);
+
+        PartType IN= new PartType("IN", Interior);
+        PartType IH= new PartType("IH", Interior);
+        PartType IS= new PartType("IS", Interior);
+
+        CompatibilityManager cm = new CompatibilityManager();
+
+        Set<PartType> EH120Requirement = new HashSet<PartType>();
+        EH120Requirement.add(TC120);
+
+        Set<PartType> TA5Incompatibilities = new HashSet<PartType>();
+        TA5Incompatibilities.add(TA5);
+
+        Set<PartType> TSF7Incompatibilities = new HashSet<PartType>();
+        TSF7Incompatibilities.add(EG100);
+        TSF7Incompatibilities.add(EG133);
+        TSF7Incompatibilities.add(ED110);
+
+        Set<PartType> TC120Requirement = new HashSet<PartType>();
+        TC120Requirement.add(EH120);
+
+        Set<PartType> XCIncompatibilities = new HashSet<PartType>();
+        XCIncompatibilities.add(EG210);
+
+        Set<PartType> XMIncompatibilities = new HashSet<PartType>();
+        XMIncompatibilities.add(EG100);
+
+        Set<PartType> XSIncompatibilities = new HashSet<PartType>();
+        XSIncompatibilities.add(EG100);
+        Set<PartType> XSRequirement = new HashSet<PartType>();
+        XSRequirement.add(IS);
+
+        Set<PartType> ISIncompatibilities = new HashSet<PartType>();
+        ISIncompatibilities.add(EG100);
+        ISIncompatibilities.add(TM5);
+        Set<PartType> ISRequirement = new HashSet<PartType>();
+        ISRequirement.add(XS);
+
+        cm.addRequirements(EH120,EH120Requirement);
+
+
     }
+
+    @Test
+    public void test(){
+        assertTrue(true);
+    }
+    @Test
+    public void test2(){
+        assertEquals(1,1); //very Important test
+    }
+
     
 }