diff --git a/src/main/java/de/dhbwstuttgart/intermediate/types/IntermediateInnerType.java b/src/main/java/de/dhbwstuttgart/intermediate/types/IntermediateInnerType.java
index a83c974f..f10fe157 100644
--- a/src/main/java/de/dhbwstuttgart/intermediate/types/IntermediateInnerType.java
+++ b/src/main/java/de/dhbwstuttgart/intermediate/types/IntermediateInnerType.java
@@ -4,6 +4,5 @@ package de.dhbwstuttgart.intermediate.types;
  * Only Java types which can be used as an inner type, have a descriptor definition.
  */
 public abstract class IntermediateInnerType extends IntermediateType {
-
     public abstract String getDescriptor();
 }
diff --git a/src/test/java/intermediate/types/IntermediateGenericTypeTest.java b/src/test/java/intermediate/types/IntermediateGenericTypeTest.java
index 3663faae..3c711c4e 100644
--- a/src/test/java/intermediate/types/IntermediateGenericTypeTest.java
+++ b/src/test/java/intermediate/types/IntermediateGenericTypeTest.java
@@ -8,6 +8,7 @@ import org.junit.Test;
 import org.objectweb.asm.Type;
 
 import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotEquals;
 
 public class IntermediateGenericTypeTest {
 
@@ -23,6 +24,8 @@ public class IntermediateGenericTypeTest {
     private static String rExtendsSDescriptor;
     private static IntermediateGenericType rExtendsS;
 
+    private static IntermediateGenericType rSame;
+
     @BeforeClass
     public static void StartUp(){
         tSignature = "TT;";
@@ -37,6 +40,8 @@ public class IntermediateGenericTypeTest {
         rExtendsSSignature = "TR;";
         rExtendsSDescriptor = sExtendsStringDescriptor;
         rExtendsS = new IntermediateGenericType("R", sExtendsString);
+
+        rSame = new IntermediateGenericType("R", sExtendsString);
     }
 
     @Test
@@ -56,4 +61,16 @@ public class IntermediateGenericTypeTest {
 
     @Test
     public void DescriptorTest_TExtendsS(){ assertEquals(rExtendsSDescriptor, rExtendsS.getDescriptor()); }
+
+    @Test
+    public void HashCodeTest_Succeed() { assertEquals(rSame.hashCode(), rExtendsS.hashCode());}
+
+    @Test
+    public void HashCodeTest_Fail() { assertNotEquals(rSame.hashCode(), t.hashCode()); }
+
+    @Test
+    public void EqualsTest_Succeed() { assertEquals(rSame, rExtendsS); }
+
+    @Test
+    public void EqualsTest_Fail() { assertNotEquals(rSame, t); }
 }
diff --git a/src/test/java/intermediate/types/IntermediateRefTypeTest.java b/src/test/java/intermediate/types/IntermediateRefTypeTest.java
index b03a988e..bc287a78 100644
--- a/src/test/java/intermediate/types/IntermediateRefTypeTest.java
+++ b/src/test/java/intermediate/types/IntermediateRefTypeTest.java
@@ -11,6 +11,7 @@ import java.util.Arrays;
 import java.util.List;
 
 import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotEquals;
 
 public class IntermediateRefTypeTest {
 
@@ -26,6 +27,8 @@ public class IntermediateRefTypeTest {
     private static String voidDescriptor;
     private static IntermediateRefType typeToTest_void;
 
+    private static IntermediateRefType typeToTest_ListOfIntegerSame;
+
     @BeforeClass
     public static void StartUp(){
         integerSignature = "Ljava/lang/Integer;";
@@ -41,6 +44,10 @@ public class IntermediateRefTypeTest {
         voidSignature = "V";
         voidDescriptor = "V";
         typeToTest_void = new IntermediateRefType(new JavaClassName("void"));
+
+        typeToTest_ListOfIntegerSame = new IntermediateRefType(
+                new JavaClassName(Type.getInternalName(List.class)),
+                Arrays.asList(typeToTest_Integer));
     }
 
     @Test
@@ -68,4 +75,16 @@ public class IntermediateRefTypeTest {
     public void DescriptorTest_Void(){
         assertEquals(voidDescriptor, typeToTest_void.getDescriptor());
     }
+
+    @Test
+    public void HashCodeTest_Succeed() { assertEquals(typeToTest_ListOfIntegerSame.hashCode(), typeToTest_ListOfInteger.hashCode());}
+
+    @Test
+    public void HashCodeTest_Fail() { assertNotEquals(typeToTest_ListOfIntegerSame.hashCode(), typeToTest_Integer.hashCode()); }
+
+    @Test
+    public void EqualsTest_Succeed() { assertEquals(typeToTest_ListOfIntegerSame, typeToTest_ListOfInteger); }
+
+    @Test
+    public void EqualsTest_Fail() { assertNotEquals(typeToTest_ListOfIntegerSame, typeToTest_Integer); }
 }