diff --git a/src/test/java/typeinference/UnifyTest.java b/src/test/java/typeinference/UnifyTest.java
index fe0624c2b..3b5a56eb2 100644
--- a/src/test/java/typeinference/UnifyTest.java
+++ b/src/test/java/typeinference/UnifyTest.java
@@ -38,6 +38,70 @@ import java.util.Set;
 public class UnifyTest {
 
     public static final String rootDirectory = System.getProperty("user.dir")+"/resources/javFiles/";
+
+    private UnifyPair genPairListOfInteger(String name){
+
+        UnifyType type1 = new PlaceholderType(name);
+        UnifyType type2 = new ReferenceType("List", new TypeParams(new ReferenceType("Integer")));
+        UnifyPair pair1 = new UnifyPair(type2, type1, PairOperator.SMALLERDOT);
+
+        return pair1;
+    }
+    private UnifyPair genPairListOfString(String name){
+
+        PlaceholderType type1 = new PlaceholderType(name);
+        UnifyType type2 = new ReferenceType("List", new TypeParams(new ReferenceType("String")));
+        UnifyPair pair1 = new UnifyPair(type2, type1, PairOperator.SMALLERDOT);
+
+        return pair1;
+    }
+    @Test
+    public void unifyTest(){
+        UnifyType type1;
+        UnifyType type2;
+
+        Set<UnifyPair> undConstraints = new HashSet<>();
+        undConstraints.add(genPairListOfInteger("a"));
+        undConstraints.add(genPairListOfString("a"));
+
+        undConstraints.add(genPairListOfInteger("b"));
+        undConstraints.add(genPairListOfString("b"));
+        undConstraints.add(genPairListOfInteger("c"));
+        undConstraints.add(genPairListOfString("c"));
+        undConstraints.add(genPairListOfInteger("d"));
+        undConstraints.add(genPairListOfString("d"));
+        undConstraints.add(genPairListOfInteger("e"));
+        undConstraints.add(genPairListOfString("e"));
+        undConstraints.add(genPairListOfInteger("e1"));
+        undConstraints.add(genPairListOfString("e1"));
+        undConstraints.add(genPairListOfInteger("e2"));
+        undConstraints.add(genPairListOfString("e2"));
+        undConstraints.add(genPairListOfInteger("e3"));
+        undConstraints.add(genPairListOfString("e3"));
+
+        List<Set<Constraint<UnifyPair>>> oderConstraints = new ArrayList<>();
+
+        Set<UnifyPair> constraints = new HashSet<>();
+        type1 = new ReferenceType("Object");
+        type2 = new ReferenceType("List", new TypeParams(new PlaceholderType("X")));
+        constraints.add(new UnifyPair(type2, type1, PairOperator.SMALLER));
+        type1 = new ReferenceType("Object");
+        type2 = new ReferenceType("Integer");
+        constraints.add(new UnifyPair(type2, type1, PairOperator.SMALLER));
+        type1 = new ReferenceType("Object");
+        type2 = new ReferenceType("String");
+        constraints.add(new UnifyPair(type2, type1, PairOperator.SMALLER));
+
+        IFiniteClosure finiteClosure = new FiniteClosure(constraints, new NullWriter());
+
+        TypeUnify unifyAlgo = new TypeUnify();
+        ConstraintSet< Pair> cons = new ConstraintSet<>();
+        UnifyResultModel urm = new UnifyResultModel(cons, finiteClosure);
+        UnifyTaskModel tasks = new UnifyTaskModel();
+        Set<Set<UnifyPair>> solution = unifyAlgo.unify(undConstraints, oderConstraints, finiteClosure, new NullWriter(), false, urm, tasks);
+        System.out.println(solution.size());
+        System.out.println(solution);
+    }
     /*
     @Test
     public void finiteClosure() throws IOException, ClassNotFoundException {