diff --git a/test/javFiles/Matrix.jav b/test/javFiles/Matrix.jav
index ad8d735e8..f9a69ec56 100644
--- a/test/javFiles/Matrix.jav
+++ b/test/javFiles/Matrix.jav
@@ -17,9 +17,9 @@ class Matrix extends Vector<Vector<Integer>> {
                 var erg = 0;
                 var k = 0;
                 while(k < v1.size()) {
-                		//erg = erg + v1.elementAt(k) * m.elementAt(k).elementAt(j);
-                    erg = add1(erg, mul1(v1.elementAt(k),
-                             m.elementAt(k).elementAt(j)));
+                		erg = erg + v1.elementAt(k) * m.elementAt(k).elementAt(j);
+                    //erg = add1(erg, mul1(v1.elementAt(k),
+                    //         m.elementAt(k).elementAt(j)));
                     k++; }
                 v2.addElement(new Integer(erg));
                 j++; }
diff --git a/test/javFiles/Meth_Gen.jav b/test/javFiles/Meth_Gen.jav
new file mode 100644
index 000000000..056dd82f8
--- /dev/null
+++ b/test/javFiles/Meth_Gen.jav
@@ -0,0 +1,11 @@
+class Meth_Gen {
+
+    m1(x, y) {
+		m2(x);
+		x = y;
+    }
+
+    m2(y) { 
+    		m1(y, y);
+    }
+}
\ No newline at end of file
diff --git a/test/typeinference/Meth_GenTest.java b/test/typeinference/Meth_GenTest.java
new file mode 100644
index 000000000..f5e64f9f9
--- /dev/null
+++ b/test/typeinference/Meth_GenTest.java
@@ -0,0 +1,139 @@
+package typeinference;
+
+import de.dhbwstuttgart.core.JavaTXCompiler;
+import de.dhbwstuttgart.syntaxtree.SourceFile;
+import de.dhbwstuttgart.syntaxtree.visual.ASTPrinter;
+import de.dhbwstuttgart.syntaxtree.visual.ASTTypePrinter;
+import de.dhbwstuttgart.typedeployment.TypeInsert;
+import de.dhbwstuttgart.typedeployment.TypeInsertFactory;
+import de.dhbwstuttgart.typeinference.result.ResultSet;
+import org.junit.Test;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.charset.Charset;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
+import java.nio.file.Paths;
+import java.util.ArrayList;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+
+public class Meth_GenTest {
+
+    public static final String rootDirectory = System.getProperty("user.dir")+"/test/javFiles/";
+/*
+    @Test
+    public void finiteClosure() throws IOException, ClassNotFoundException {
+        execute(new File(rootDirectory+"fc.jav"));
+    }
+    @Test
+    public void lambda() throws IOException, ClassNotFoundException {
+        execute(new File(rootDirectory+"Lambda.jav"));
+    }
+    @Test
+    public void lambda2() throws IOException, ClassNotFoundException {
+        execute(new File(rootDirectory+"Lambda2.jav"));
+    }
+    @Test
+    public void lambda3() throws IOException, ClassNotFoundException {
+        execute(new File(rootDirectory+"Lambda3.jav"));
+    }
+    @Test
+    public void mathStruc() throws IOException, ClassNotFoundException {
+        execute(new File(rootDirectory+"mathStruc.jav"));
+    }
+    @Test
+    public void generics() throws IOException, ClassNotFoundException {
+        execute(new File(rootDirectory+"Generics.jav"));
+    }
+
+    @Test
+    public void faculty() throws IOException, ClassNotFoundException {
+        execute(new File(rootDirectory+"Faculty.jav"));
+    }
+
+    @Test
+    public void facultyTyped() throws IOException, ClassNotFoundException {
+        execute(new File(rootDirectory+"FacultyTyped.jav"));
+    }
+*/
+    @Test
+    public void matrix() throws IOException, ClassNotFoundException {
+        execute(new File(rootDirectory+"Meth_Gen.jav"));
+    }
+/*
+    @Test
+    public void vector() throws IOException, ClassNotFoundException {
+        execute(new File(rootDirectory+"Vector.jav"));
+    }
+    @Test
+    public void lambdaRunnable() throws IOException, ClassNotFoundException {
+        execute(new File(rootDirectory+"LambdaRunnable.jav"));
+    }
+    @Test
+    public void expressions() throws IOException, ClassNotFoundException {
+        execute(new File(rootDirectory+"Expressions.jav"));
+    }
+    @Test
+    public void matrixFC() throws IOException, ClassNotFoundException {
+        execute(new File(rootDirectory+"FC_Matrix.jav"));
+    }
+*/
+    private static class TestResultSet{
+
+    }
+
+    public TestResultSet execute(File fileToTest) throws IOException, ClassNotFoundException {
+        //filesToTest.add(new File(rootDirectory+"fc.jav"));
+        //filesToTest.add(new File(rootDirectory+"Lambda.jav"));
+        //filesToTest.add(new File(rootDirectory+"Lambda2.jav"));
+        //filesToTest.add(new File(rootDirectory+"Lambda3.jav"));
+        //filesToTest.add(new File(rootDirectory+"Vector.jav"));
+        //filesToTest.add(new File(rootDirectory+"Generics.jav"));
+        //filesToTest.add(new File(rootDirectory+"MethodsEasy.jav"));
+        //filesToTest.add(new File(rootDirectory+"Matrix.jav"));
+        //filesToTest.add(new File(rootDirectory+"Import.jav"));
+        //        //filesToTest.add(new File(rootDirectory+"Faculty.jav"));
+        //        //filesToTest.add(new File(rootDirectory+"mathStruc.jav"));
+        //        //filesToTest.add(new File(rootDirectory+"test.jav"));
+        JavaTXCompiler compiler = new JavaTXCompiler(fileToTest);
+        for(File f : compiler.sourceFiles.keySet()){
+            SourceFile sf = compiler.sourceFiles.get(f);
+            System.out.println(ASTTypePrinter.print(sf));
+            System.out.println(ASTPrinter.print(sf));
+        }
+        List<ResultSet> results = compiler.typeInference();
+
+        for(File f : compiler.sourceFiles.keySet()){
+            SourceFile sf = compiler.sourceFiles.get(f);
+            System.out.println(ASTTypePrinter.print(sf));
+            System.out.println(ASTPrinter.print(sf));
+            //List<ResultSet> results = compiler.typeInference(); PL 2017-10-03 vor die For-Schleife gezogen
+            assert results.size()>0;
+            Set<String> insertedTypes = new HashSet<>();
+            for(ResultSet resultSet : results){
+                Set<TypeInsert> result = TypeInsertFactory.createTypeInsertPoints(sf, resultSet);
+                assert result.size()>0;
+                String content = readFile(f.getPath(), StandardCharsets.UTF_8);
+                for(TypeInsert tip : result){
+                    insertedTypes.add(tip.insert(content));
+                }
+            }
+            for(String s : insertedTypes){
+                System.out.println(s);
+            }
+        }
+        return new TestResultSet();
+    }
+
+    static String readFile(String path, Charset encoding)
+            throws IOException
+    {
+        byte[] encoded = Files.readAllBytes(Paths.get(path));
+        return new String(encoded, encoding);
+    }
+
+}
+