Verbesserung des spezialisierten Namens von FunN$$.

Nun steht zwischen $$ und den Attributen ein $_$, welches zuvor vergessen wurde.

src/main/java/de/dhbwstuttgart/bytecode/BytecodeGenMethod.java

@@ -592,7 +592,6 @@ public class BytecodeGenMethod implements StatementVisitor {
 		this.lamCounter++;
 
 		String typeErasure = createDescriptorWithTypeErasure(lambdaExpression);
-		//ToDo Etienne: Double Check
 		RefTypeOrTPHOrWildcardOrGeneric returnType = resolver.resolve(lambdaExpression.getReturnType());
 		List<RefTypeOrTPHOrWildcardOrGeneric> argumentTypes = lambdaExpression
 				.params
@@ -828,7 +827,6 @@ public class BytecodeGenMethod implements StatementVisitor {
 				} else if(!helper.isInCurrPkg(clazz)){
 					if(clazz.contains(CONSTANTS.$$)) {
 						mDesc = helper.getDescriptorOfApplyMethod(methCallType);
-						//ToDo Etienne: Double Check
 						RefTypeOrTPHOrWildcardOrGeneric returnType = resolver.resolve(methodCall.getType());
 						List<RefTypeOrTPHOrWildcardOrGeneric> argumentTypes = methodCall
 								.arglist

src/main/java/de/dhbwstuttgart/bytecode/descriptor/DescriptorToString.java

@@ -153,7 +153,6 @@ public class DescriptorToString implements DescriptorVisitor, CONSTANTS {
 		return desc;
 	}
 
-	//ToDo Etienne: ändern
 	@Override
 	public String visit(Lambda lambdaExpression) {
 		String desc = "(";

src/main/java/de/dhbwstuttgart/bytecode/descriptor/TypeToDescriptor.java

@@ -45,6 +45,8 @@ public class TypeToDescriptor implements TypeVisitor<String>{
 		//throw new NotImplementedException();
 	}
 
+	//ToDo Etienne: bin der Meinung hier müsste immer der Descriptor der extends-Schranke sein, z.b. <T> => Ljava/lang/Object; oder <T extends String> => Ljava/lang/String;
+	//Tests sind aber damit grün?! => Fehler in Tests schon vorher aufgefallen und gut möglich!
 	@Override
 	public String visit(GenericRefType genericRefType) {
 		return genericRefType.getParsedName().replace(".", "/");

src/main/java/de/dhbwstuttgart/bytecode/funN/FunNGenerator.java

@@ -12,27 +12,30 @@ import org.objectweb.asm.ClassWriter;
 import org.objectweb.asm.MethodVisitor;
 import org.objectweb.asm.Type;
 
+import javax.annotation.Nonnull;
 import java.io.File;
 import java.io.FileOutputStream;
 import java.util.List;
+import java.util.Objects;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
 
 import static org.objectweb.asm.Opcodes.*;
 
 /**
- * //ToDo beschreiben
+ * Represents a Singleton-Service implementation for the {@link FunNUtilities} interface.
  *
  * @since Studienarbeit Type Erasure
  * @author etiennezink
  */
-public class FunNGenerator implements FunNUtilities{
+public final class FunNGenerator implements FunNUtilities{
 
-    private static FunNGenerator funNGenerator = new FunNGenerator();
+    private static final FunNGenerator funNGenerator = new FunNGenerator();
 
-    public static FunNGenerator getInstance(){
+    /**
-        return funNGenerator;
+     * @return the Singleton instance for {@link FunNGenerator}
-    }
+     */
+    public static FunNUtilities getInstance(){ return funNGenerator; }
 
     private final String argumentGenericBase = "T";
     private final String returnGeneric = "R";
@@ -43,9 +46,7 @@ public class FunNGenerator implements FunNUtilities{
     private final RefType objectRefType = new RefType(new JavaClassName(objectSuperType), null);
     private final String objectSignature = applySignature(objectRefType);
 
-    private String applyDescriptor(RefTypeOrTPHOrWildcardOrGeneric a) { return a.acceptTV(new TypeToDescriptor(true)); }
+    private FunNGenerator(){}
-    private String applySignature(RefTypeOrTPHOrWildcardOrGeneric a) { return a.acceptTV(new TypeToSignature(true)); }
-    private String applyNameDescriptor(RefTypeOrTPHOrWildcardOrGeneric a){ return a instanceof TypePlaceholder ? "LTPH;" : String.format("L%s;", applyDescriptor(a)); }
 
     @Override
     public byte[] generateSuperBytecode(int numberArguments) {
@@ -55,11 +56,11 @@ public class FunNGenerator implements FunNUtilities{
 
         for (int currentParameter = 1; currentParameter <= numberArguments; currentParameter++){
             superFunNClassSignature.append(String.format("%s%d:%s",argumentGenericBase, currentParameter, objectSignature));
-            superFunNMethodSignature.append(String.format("T%s;", applySignature( new GenericRefType(argumentGenericBase + currentParameter, null))));
+            superFunNMethodSignature.append(applySignature( new GenericRefType(argumentGenericBase + currentParameter, null)));
             superFunNMethodDescriptor.append(objectSignature);
         }
         superFunNClassSignature.append(String.format("%s:%s>%s", returnGeneric, objectSignature, objectSignature));
-        superFunNMethodSignature.append(String.format(")T%s;", applySignature(new GenericRefType(returnGeneric, null))));
+        superFunNMethodSignature.append(String.format(")%s", applySignature(new GenericRefType(returnGeneric, null))));
         superFunNMethodDescriptor.append(String.format(")%s", objectSignature));
 
         ClassWriter classWriter = new ClassWriter(0);
@@ -78,8 +79,12 @@ public class FunNGenerator implements FunNUtilities{
 
     @Override
     public byte[] generateSpecializedBytecode(List<RefTypeOrTPHOrWildcardOrGeneric> argumentTypes, RefTypeOrTPHOrWildcardOrGeneric returnType) {
+        Objects.requireNonNull(argumentTypes);
+        Objects.requireNonNull(returnType);
+        //generates a list of all params and substitutes the TPH
         List<RefTypeOrTPHOrWildcardOrGeneric> parameters = Stream
                 .concat(argumentTypes.stream(), Stream.of(returnType))
+                .map(this::substituteTPH)
                 .collect(Collectors.toList());
         RefType superFunN = new RefType(new JavaClassName(getSuperClassName(argumentTypes.size())), parameters , null);
         StringBuilder funNClassSignature = new StringBuilder(objectSignature + (superFunN.acceptTV(new TypeToSignature(false))));
@@ -87,16 +92,11 @@ public class FunNGenerator implements FunNUtilities{
 
         String genericSignature = "<";
         for (RefTypeOrTPHOrWildcardOrGeneric typeArgument : parameters) {
-            //ToDo Etienne: Refactor
             if (typeArgument instanceof GenericRefType){
                 GenericRefType generic = (GenericRefType) typeArgument;
-                if(genericSignature.contains(generic.getParsedName())) continue;
+                String signatureOfArgument = generic.getParsedName();
-                genericSignature += String.format("%s:%s", generic.getParsedName(), applyDescriptor(generic));
+                if(genericSignature.contains(signatureOfArgument)) continue;
-                containsGeneric = true;
+                genericSignature += String.format("%s:%s", signatureOfArgument, objectSignature);
-            } else if(typeArgument instanceof TypePlaceholder){
-                TypePlaceholder placeholder = (TypePlaceholder) typeArgument;
-                if(genericSignature.contains(applySignature(placeholder).substring(1))) continue;
-                genericSignature += String.format("%s:%s", applySignature(placeholder).substring(1), objectSignature);
                 containsGeneric = true;
             }
         }
@@ -111,7 +111,9 @@ public class FunNGenerator implements FunNUtilities{
 
     @Override
     public String getSpecializedClassName(List<RefTypeOrTPHOrWildcardOrGeneric> argumentTypes, RefTypeOrTPHOrWildcardOrGeneric returnType) {
-        return String.format("Fun%d$$%s%s",
+        Objects.requireNonNull(argumentTypes);
+        Objects.requireNonNull(returnType);
+        return String.format("Fun%d$$$_$%s%s",
                         argumentTypes.size(),
                         argumentTypes
                                 .stream()
@@ -124,16 +126,21 @@ public class FunNGenerator implements FunNUtilities{
 
     @Override
     public String getSpecializedDescriptor(List<RefTypeOrTPHOrWildcardOrGeneric> argumentTypes, RefTypeOrTPHOrWildcardOrGeneric returnType) {
-        return applyDescriptor(new RefType(new JavaClassName(getSpecializedClassName(argumentTypes, returnType)), null));
+        Objects.requireNonNull(argumentTypes);
+        Objects.requireNonNull(returnType);
+        return applyDescriptor(getSpecializedFunNRefType(argumentTypes, returnType));
     }
 
     @Override
     public String getSpecializedSignature(List<RefTypeOrTPHOrWildcardOrGeneric> argumentTypes, RefTypeOrTPHOrWildcardOrGeneric returnType) {
-        return applySignature(new RefType(new JavaClassName(getSpecializedClassName(argumentTypes, returnType)), null));
+        Objects.requireNonNull(argumentTypes);
+        Objects.requireNonNull(returnType);
+        return applySignature(getSpecializedFunNRefType(argumentTypes, returnType));
     }
 
     @Override
     public List<RefTypeOrTPHOrWildcardOrGeneric> getArguments(List<RefTypeOrTPHOrWildcardOrGeneric> list) {
+        Objects.requireNonNull(list);
         return list
                 .stream()
                 .limit(Math.max(0, list.size() - 1))
@@ -142,8 +149,33 @@ public class FunNGenerator implements FunNUtilities{
 
     @Override
     public RefTypeOrTPHOrWildcardOrGeneric getReturnType(List<RefTypeOrTPHOrWildcardOrGeneric> list) {
-        if(list.size() == 0)
+        Objects.requireNonNull(list);
-            throw new IndexOutOfBoundsException();
+        if(list.size() == 0) return null;
         return list.get(list.size() - 1);
     }
+
+    private String applyDescriptor(RefTypeOrTPHOrWildcardOrGeneric a) { return a.acceptTV(new TypeToDescriptor(true)); }
+    private String applySignature(RefTypeOrTPHOrWildcardOrGeneric a) { return a.acceptTV(new TypeToSignature(true)); }
+
+    /**
+     * @param a
+     * @return the name for the type {@code a} which should be used in the specialized name for FunN.
+     */
+    private String applyNameDescriptor(RefTypeOrTPHOrWildcardOrGeneric a){ return a instanceof TypePlaceholder ? "LTPH;" : String.format("L%s;", applyDescriptor(a)); }
+
+    private RefTypeOrTPHOrWildcardOrGeneric substituteTPH(RefTypeOrTPHOrWildcardOrGeneric t) {
+        if (t instanceof TypePlaceholder) {
+            TypePlaceholder tph = (TypePlaceholder) t;
+            return new GenericRefType(tph.getName()+"$", t.getOffset());
+        }
+        return t;
+    }
+    private RefType getSpecializedFunNRefType(List<RefTypeOrTPHOrWildcardOrGeneric> argumentTypes, RefTypeOrTPHOrWildcardOrGeneric returnType){
+        return new RefType(new JavaClassName(getSpecializedClassName(argumentTypes, returnType)),
+                Stream
+                        .concat(argumentTypes.stream(), Stream.of(returnType))
+                        .filter(t -> t instanceof GenericRefType ||
+                                t instanceof TypePlaceholder)
+                        .collect(Collectors.toList()),null);
+    }
 }

src/main/java/de/dhbwstuttgart/bytecode/funN/FunNUtilities.java

@@ -3,25 +3,81 @@ package de.dhbwstuttgart.bytecode.funN;
 import de.dhbwstuttgart.bytecode.utilities.CONSTANTS;
 import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
 
+import javax.annotation.Nonnull;
 import java.io.File;
 import java.io.FileOutputStream;
 import java.util.List;
 
+/**
+ * Interface which represents the functionality for specifying and generating the specified functional types (FunN).
+ *
+ * @since Studienarbeit Type Erasure
+ * @author etiennezink
+ */
 public interface FunNUtilities {
 
+    /**
+     * @param numberArguments (excluding the return type!)
+     * @return the bytecode for the super FunN-interface
+     */
     byte[] generateSuperBytecode(int numberArguments);
+
+    /**
+     * @param numberArguments (excluding the return type!)
+     * @return the name for the super FunN-interface
+     */
     String getSuperClassName(int numberArguments);
 
+    /**
+     * @param argumentTypes (excluding the return type!)
+     * @param returnType
+     * @return the bytecode for the specialized FunN-interface
+     */
     byte[] generateSpecializedBytecode(List<RefTypeOrTPHOrWildcardOrGeneric> argumentTypes, RefTypeOrTPHOrWildcardOrGeneric returnType);
+
+    /**
+     * @param argumentTypes (excluding the return type!)
+     * @param returnType
+     * @return the name for the specialized FunN-interface
+     */
     String getSpecializedClassName(List<RefTypeOrTPHOrWildcardOrGeneric> argumentTypes, RefTypeOrTPHOrWildcardOrGeneric returnType);
+
+    /**
+     * @param argumentTypes (excluding the return type!)
+     * @param returnType
+     * @return the descriptor for a specialized FunN-interface.
+     */
     String getSpecializedDescriptor(List<RefTypeOrTPHOrWildcardOrGeneric> argumentTypes, RefTypeOrTPHOrWildcardOrGeneric returnType);
+
+    /**
+     * @param argumentTypes (excluding the return type!)
+     * @param returnType
+     * @return the signature for a specialized FunN-interface.
+     */
     String getSpecializedSignature(List<RefTypeOrTPHOrWildcardOrGeneric> argumentTypes, RefTypeOrTPHOrWildcardOrGeneric returnType);
 
+    /**
+     * @param list containing type arguments and the return type.
+     * @return a {@link List} containing only the arguments of the specialized FunN-interface.
+     */
     List<RefTypeOrTPHOrWildcardOrGeneric> getArguments(List<RefTypeOrTPHOrWildcardOrGeneric> list);
+
+    /**
+     * @param list containing type arguments and the return type.
+     * @return the return type of the {@code list} (last member)
+     */
     RefTypeOrTPHOrWildcardOrGeneric getReturnType(List<RefTypeOrTPHOrWildcardOrGeneric> list);
 
+    /**
+     * Should be refactored into a central API.
+     *
+     * @param className
+     * @param bytecode
+     * @param directory
+     * @return {@code true} iff the file could be generated and {@code false} if not
+     */
     @Deprecated
-    public static boolean writeClassFile(String className, byte[] bytecode, File directory) {
+    static boolean writeClassFile(String className, byte[] bytecode, File directory) {
         try (FileOutputStream output = new FileOutputStream(new File(directory , className + CONSTANTS.EXTENSIONCLASS))){
             output.write(bytecode);
             output.flush();
@@ -31,6 +87,4 @@ public interface FunNUtilities {
         }
         return false;
     }
-
-
 }

src/main/java/de/dhbwstuttgart/bytecode/signature/TypeToSignature.java

@@ -102,9 +102,20 @@ public class TypeToSignature implements TypeVisitor<String> {
 		return sig;
 	}
 
+	/**
+	 * Changed that the correct signature is returned:
+	 * returns now T...; expect of only ...
+	 * where ... is {@code genericRefType.getParsedName()}
+	 *
+	 * @since Studienarbeit Type Erasure
+	 * @author etiennezink
+	 *
+	 * @param genericRefType
+	 * @return
+	 */
 	@Override
 	public String visit(GenericRefType genericRefType) {
-		return genericRefType.getParsedName().replace(".", "/");
+		return String.format("T%s;", genericRefType.getParsedName()).replace(".", "/");
 	}
 
 	private Optional<GenericsGeneratorResult> getEqualTPHFromClassConstraints(List<GenericsGeneratorResult> listOfConstraints, String tph) {

src/main/java/de/dhbwstuttgart/bytecode/utilities/Resolver.java

@@ -26,7 +26,6 @@ public class Resolver {
 		return resultSet.resolveType(type).resolvedType.acceptTV(new TypeToDescriptor());
 	}
 
-	//ToDo Etienne: Check ob benötigt
 	public RefTypeOrTPHOrWildcardOrGeneric resolve(RefTypeOrTPHOrWildcardOrGeneric type) {
 		return resultSet.resolveType(type).resolvedType;
 	}

src/main/java/de/dhbwstuttgart/syntaxtree/type/GenericRefType.java

@@ -4,6 +4,8 @@ import de.dhbwstuttgart.syntaxtree.ASTVisitor;
 import de.dhbwstuttgart.typeinference.result.ResultSetVisitor;
 import org.antlr.v4.runtime.Token;
 
+import java.util.Objects;
+
 public class GenericRefType extends RefTypeOrTPHOrWildcardOrGeneric
 {
     private String name;
@@ -33,12 +35,20 @@ public class GenericRefType extends RefTypeOrTPHOrWildcardOrGeneric
         visitor.visit(this);
     }
 
+    /**
+     * @since Studienarbeit Type Erasure
+     * @author etiennezink
+     *
+     * @param o
+     * @return
+     */
 	@Override
 	public boolean equals(Object o) {
-		// TODO Auto-generated method stub
+		if((! (o instanceof GenericRefType))) return false;
-		return false;
+        GenericRefType genericRefType = (GenericRefType) o;
-	}
+        return getParsedName().equals(genericRefType.getParsedName()) &&
-	
+               Objects.equals(getOffset(), genericRefType.getOffset());
+ 	}
 	    
 	 @Override
 	public String toString()

src/main/java/de/dhbwstuttgart/target/generate/ASTToTargetAST.java

@@ -20,7 +20,8 @@ public class ASTToTargetAST {
     public TargetClass convert(ClassOrInterface input, Map<TypePlaceholder, TargetType> sigma){
         List<TargetConstructor> targetConstructors = new ArrayList<>();
         //TODO constructor conversion -> also reduce syntactic sugar
-        return new TargetClass(input.getModifiers(),input.getClassName().toString(), sigma.get(input.getSuperClass()),
+        return new TargetClass(input.getModifiers(),input.getClassName().toString(), null,
+                sigma.get(input.getSuperClass()),
                 input.getSuperInterfaces().stream().map(it -> sigma.get(it)).collect(Collectors.toList()),
                 targetConstructors,
                 input.getFieldDecl().stream().map(it -> convert(it, sigma)).collect(Collectors.toList()),
@@ -42,7 +43,7 @@ public class ASTToTargetAST {
     }
 
     private TargetField convert(Field input, Map<TypePlaceholder, TargetType> sigma) {
-        return null;
+        return new TargetField(convert(input.getType(), sigma), input.getName());
     }
 
     private TargetType convert(RefTypeOrTPHOrWildcardOrGeneric input, Map<TypePlaceholder, TargetType> sigma) {

src/main/java/de/dhbwstuttgart/target/tree/GenericDeclaration.java

@@ -0,0 +1,7 @@
+package de.dhbwstuttgart.target.tree;
+
+import de.dhbwstuttgart.syntaxtree.type.GenericRefType;
+import de.dhbwstuttgart.target.tree.type.TargetType;
+
+public record GenericDeclaration(GenericRefType generic, TargetType bound) {
+}

src/main/java/de/dhbwstuttgart/target/tree/TargetClass.java

@@ -5,6 +5,7 @@ import de.dhbwstuttgart.target.tree.type.TargetType;
 
 import java.util.List;
 
-public record TargetClass(int modifiers, String qualifiedName, TargetType superType, List<TargetType> implementingInterfaces,
+public record TargetClass(int modifiers, String qualifiedName, List<GenericDeclaration> generics, TargetType superType,
+                          List<TargetType> implementingInterfaces,
                           List<TargetConstructor> constructors, List<TargetField> fields, List<TargetMethod> methods) {}
 

src/main/java/de/dhbwstuttgart/target/tree/TargetConstructor.java

@@ -1,7 +1,9 @@
 package de.dhbwstuttgart.target.tree;
 
+import de.dhbwstuttgart.target.tree.expression.TargetBlock;
+
 import java.util.List;
 
-public record TargetConstructor(List<MethodParameter> parameterTypes) {
+public record TargetConstructor(List<MethodParameter> parameterTypes, TargetBlock block) {
 }
 

src/main/java/de/dhbwstuttgart/target/tree/type/TargetExtendsWildcard.java

@@ -1,7 +1,5 @@
 package de.dhbwstuttgart.target.tree.type;
 
-import java.util.List;
-
 public record TargetExtendsWildcard(TargetType innerType) implements TargetType{
 }
 

src/test/java/bytecode/OLFun2Test.java

@@ -4,7 +4,6 @@ import java.io.File;
 import java.lang.reflect.Method;
 import java.net.URL;
 import java.net.URLClassLoader;
-import java.util.function.Function;
 
 import general.TestCleanUp;
 import org.junit.*;
@@ -12,7 +11,8 @@ import de.dhbwstuttgart.core.JavaTXCompiler;
 import static org.junit.Assert.*;
 
 /**
- * //ToDo Etienne: Beschreiben
+ *  Test for the file {@code OLFun2.jav}.
+ *  Tests if the expected overloading for the method {@code m} exists.
  *
  * @since Studienarbeit Type Erasure
  * @author etiennezink
@@ -24,13 +24,12 @@ public class OLFun2Test {
     private static ClassLoader loader;
     private static Class<?> classToTest;
     private static Class<?> classFun1IntInt;
+    private static Class<?> classFun1IntDouble;
     private static Class<?> classFun1DoubleDouble;
-    private static Class<?> classFun1StringString;
+    private static Class<?> classFun1DoubleInt;
 
     private static String generatedByteCodeDirectory = System.getProperty("user.dir") + "/src/test/resources/testBytecode/generatedBC/";
 
-    //ToDo Etienne: Nach Anpassung des Bytecode die Tests hinzufügen
-    //ToDo Etienne: Aufruf von m testen
     @BeforeClass
     public static void setUp() throws Exception {
         path = System.getProperty("user.dir")+"/src/test/resources/bytecode/javFiles/OLFun2.jav";
@@ -39,31 +38,42 @@ public class OLFun2Test {
         compiler.generateBytecode(generatedByteCodeDirectory);
         loader = new URLClassLoader(new URL[] {new URL("file://"+generatedByteCodeDirectory)});
         classToTest = loader.loadClass("OLFun2");
-        classFun1IntInt = loader.loadClass("Fun1$$Ljava$lang$Integer$_$Ljava$lang$Integer$_$");
+        classFun1IntInt = loader.loadClass("Fun1$$$_$Ljava$lang$Integer$_$Ljava$lang$Integer$_$");
-        classFun1DoubleDouble = loader.loadClass("Fun1$$Ljava$lang$Double$_$Ljava$lang$Double$_$");
+        classFun1IntDouble = loader.loadClass("Fun1$$$_$Ljava$lang$Integer$_$Ljava$lang$Double$_$");
-        classFun1StringString = loader.loadClass("Fun1$$Ljava$lang$String$_$Ljava$lang$String$_$");
+        classFun1DoubleDouble = loader.loadClass("Fun1$$$_$Ljava$lang$Double$_$Ljava$lang$Double$_$");
+        classFun1DoubleInt = loader.loadClass("Fun1$$$_$Ljava$lang$Double$_$Ljava$lang$Integer$_$");
     }
 
     @Test
-    public void mExistsWithInteger() throws Exception{
+    public void mExistsWithIntegerInteger() throws Exception{
         Method m = classToTest.getDeclaredMethod("m", classFun1IntInt);
         assertNotNull(m);
+        assertEquals(Integer.class, m.getReturnType());
     }
 
     @Test
-    public void mExistsWithDouble() throws Exception{
+    public void mExistsWithIntegerDouble() throws Exception{
+        Method m = classToTest.getDeclaredMethod("m", classFun1IntDouble);
+        assertNotNull(m);
+        assertEquals(Double.class, m.getReturnType());
+    }
+
+    @Test
+    public void mExistsWithDoubleInteger() throws Exception{
+        Method m = classToTest.getDeclaredMethod("m", classFun1DoubleInt);
+        assertNotNull(m);
+        assertEquals(Integer.class, m.getReturnType());
+    }
+
+    @Test
+    public void mExistsWithDoubleDouble() throws Exception{
         Method m = classToTest.getDeclaredMethod("m", classFun1DoubleDouble);
         assertNotNull(m);
+        assertEquals(Double.class, m.getReturnType());
     }
 
-    @Test
+    @AfterClass
-    public void mExistsWithString() throws Exception{
+    public static void cleanUp() {
-        Method m = classToTest.getDeclaredMethod("m", classFun1StringString);
-        assertNotNull(m);
-    }
-
-    //@AfterClass
-    public static void cleanUp(){
         TestCleanUp.cleanUpDirectory(new File(generatedByteCodeDirectory), f -> f.getName().contains(".class"));
     }
 }

src/test/java/bytecode/OLFunTest.java

@@ -11,7 +11,8 @@ import de.dhbwstuttgart.core.JavaTXCompiler;
 import static org.junit.Assert.*;
 
 /**
- * //ToDo Etienne: Beschreiben
+ *  Test for the file {@code OLFun.jav}.
+ *  Tests if the expected overloading for the method {@code m} exists.
  *
  * @since Studienarbeit Type Erasure
  * @author etiennezink
@@ -23,13 +24,14 @@ public class OLFunTest {
 	private static ClassLoader loader;
 	private static Class<?> classToTest;
 	private static Class<?> classFun1IntInt;
+	private static Class<?> classFun1IntDouble;
 	private static Class<?> classFun1DoubleDouble;
-	private static Class<?> classFun1StringString;
+	private static Class<?> classFun1DoubleInt;
+	private static Class<?> classFun1StringInt;
+	private static Class<?> classFun1StringDouble;
 
 	private static String generatedByteCodeDirectory = System.getProperty("user.dir") + "/src/test/resources/testBytecode/generatedBC/";
 
-	//ToDo Etienne: Nach Anpassung des Bytecode die Tests hinzufügen
-	//ToDo Etienne: Aufruf von m testen
 	@BeforeClass
 	public static void setUp() throws Exception {
 		path = System.getProperty("user.dir")+"/src/test/resources/bytecode/javFiles/OLFun.jav";
@@ -38,30 +40,51 @@ public class OLFunTest {
 		compiler.generateBytecode(generatedByteCodeDirectory);
 		loader = new URLClassLoader(new URL[] {new URL("file://"+generatedByteCodeDirectory)});
 		classToTest = loader.loadClass("OLFun");
-		classFun1IntInt = loader.loadClass("Fun1$$Ljava$lang$Integer$_$Ljava$lang$Integer$_$");
+		classFun1IntInt = loader.loadClass("Fun1$$$_$Ljava$lang$Integer$_$Ljava$lang$Integer$_$");
-		classFun1DoubleDouble = loader.loadClass("Fun1$$Ljava$lang$Double$_$Ljava$lang$Double$_$");
+		classFun1IntDouble = loader.loadClass("Fun1$$$_$Ljava$lang$Integer$_$Ljava$lang$Double$_$");
-		classFun1StringString = loader.loadClass("Fun1$$Ljava$lang$String$_$Ljava$lang$String$_$");
+		classFun1DoubleDouble = loader.loadClass("Fun1$$$_$Ljava$lang$Double$_$Ljava$lang$Double$_$");
+		classFun1DoubleInt = loader.loadClass("Fun1$$$_$Ljava$lang$Double$_$Ljava$lang$Integer$_$");
+		classFun1StringInt = loader.loadClass("Fun1$$$_$Ljava$lang$String$_$Ljava$lang$Integer$_$");
+		classFun1StringDouble = loader.loadClass("Fun1$$$_$Ljava$lang$String$_$Ljava$lang$Double$_$");
 	}
 
 	@Test
-	public void mExistsWithInteger() throws Exception{
+	public void mExistsWithIntegerInteger() throws Exception{
-		Method m = classToTest.getDeclaredMethod("m", classFun1IntInt ,Integer.class);
+		Method m = classToTest.getDeclaredMethod("m", classFun1IntInt, Integer.class);
 		assertNotNull(m);
 	}
 
 	@Test
-	public void mExistsWithDouble() throws Exception{
+	public void mExistsWithIntegerDouble() throws Exception{
-		Method m = classToTest.getDeclaredMethod("m", classFun1DoubleDouble ,Double.class);
+		Method m = classToTest.getDeclaredMethod("m", classFun1IntDouble, Integer.class);
 		assertNotNull(m);
 	}
 
 	@Test
-	public void mExistsWithString() throws Exception{
+	public void mExistsWithDoubleInteger() throws Exception{
-		Method m = classToTest.getDeclaredMethod("m", classFun1StringString ,String.class);
+		Method m = classToTest.getDeclaredMethod("m", classFun1DoubleInt, Double.class);
 		assertNotNull(m);
 	}
 
-	//@AfterClass
+	@Test
+	public void mExistsWithDoubleDouble() throws Exception{
+		Method m = classToTest.getDeclaredMethod("m", classFun1DoubleDouble, Double.class);
+		assertNotNull(m);
+	}
+
+	@Test
+	public void mExistsWithStringInteger() throws Exception{
+		Method m = classToTest.getDeclaredMethod("m", classFun1StringInt, String.class);
+		assertNotNull(m);
+	}
+
+	@Test
+	public void mExistsWithStringDouble() throws Exception{
+		Method m = classToTest.getDeclaredMethod("m", classFun1StringDouble, String.class);
+		assertNotNull(m);
+	}
+
+	@AfterClass
 	public static void cleanUp(){
 		TestCleanUp.cleanUpDirectory(new File(generatedByteCodeDirectory), f -> f.getName().contains(".class"));
 	}

src/test/java/bytecode/funN/FunNGeneratorTest.java

@@ -0,0 +1,248 @@
+package bytecode.funN;
+
+import de.dhbwstuttgart.bytecode.funN.FunNGenerator;
+import de.dhbwstuttgart.bytecode.funN.FunNUtilities;
+import de.dhbwstuttgart.parser.scope.JavaClassName;
+import de.dhbwstuttgart.syntaxtree.type.GenericRefType;
+import de.dhbwstuttgart.syntaxtree.type.RefType;
+import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
+import org.junit.BeforeClass;
+import org.junit.Test;
+import org.objectweb.asm.ClassWriter;
+import org.objectweb.asm.Type;
+
+import java.util.Arrays;
+
+import static org.junit.Assert.*;
+import static org.objectweb.asm.Opcodes.*;
+
+public class FunNGeneratorTest {
+
+    static FunNUtilities funNGenerator;
+    static RefType voidType;
+    static RefType integerType;
+    static GenericRefType genericT;
+    static TypePlaceholder tph;
+
+    @BeforeClass
+    public static void setUp(){
+
+        funNGenerator = FunNGenerator.getInstance();
+        voidType = new RefType(new JavaClassName(Type.getInternalName(Void.class)), null);
+        integerType = new RefType(new JavaClassName(Type.getInternalName(Integer.class)), null);
+        genericT = new GenericRefType("T", null);
+        tph = TypePlaceholder.fresh(null);
+    }
+
+    @Test
+    public void superClassName_0(){
+        var superClassName = funNGenerator.getSuperClassName(0);
+        assertEquals("Fun0$$", superClassName);
+    }
+
+    @Test
+    public void superClassName_1(){
+        var superClassName = funNGenerator.getSuperClassName(1);
+        assertEquals("Fun1$$", superClassName);
+    }
+
+    @Test
+    public void specializedClassName_VoidVoid(){
+        var specializedClassName = funNGenerator.getSpecializedClassName(Arrays.asList(), voidType);
+        assertEquals("Fun0$$$_$Ljava$lang$Void$_$", specializedClassName);
+    }
+
+    @Test
+    public void specializedClassName_VoidInt(){
+        var specializedClassName = funNGenerator.getSpecializedClassName(Arrays.asList(), integerType);
+        assertEquals("Fun0$$$_$Ljava$lang$Integer$_$", specializedClassName);
+    }
+
+    @Test
+    public void specializedClassName_IntInt(){
+        var specializedClassName = funNGenerator.getSpecializedClassName(Arrays.asList(integerType), integerType);
+        assertEquals("Fun1$$$_$Ljava$lang$Integer$_$Ljava$lang$Integer$_$", specializedClassName);
+    }
+
+    @Test
+    public void specializedClassName_IntT(){
+        var specializedClassName = funNGenerator.getSpecializedClassName(Arrays.asList(integerType), genericT);
+        assertEquals("Fun1$$$_$Ljava$lang$Integer$_$LT$_$", specializedClassName);
+    }
+
+    @Test
+    public void specializedClassName_IntTPH(){
+        var specializedClassName = funNGenerator.getSpecializedClassName(Arrays.asList(integerType), TypePlaceholder.fresh(null));
+        assertEquals("Fun1$$$_$Ljava$lang$Integer$_$LTPH$_$", specializedClassName);
+    }
+
+    @Test
+    public void signature_IntInt(){
+        var classSignature = funNGenerator.getSpecializedSignature(Arrays.asList(integerType), integerType);
+        assertEquals("LFun1$$$_$Ljava$lang$Integer$_$Ljava$lang$Integer$_$;", classSignature);
+    }
+
+    @Test
+    public void signature_IntT(){
+        var classSignature = funNGenerator.getSpecializedSignature(Arrays.asList(integerType), genericT);
+        assertEquals("LFun1$$$_$Ljava$lang$Integer$_$LT$_$<TT;>;", classSignature);
+    }
+
+    @Test
+    public void signature_TPHTPH(){
+        var classSignature = funNGenerator.getSpecializedSignature(Arrays.asList(tph), tph);
+        assertEquals(String.format("LFun1$$$_$LTPH$_$LTPH$_$<T%s$;T%s$;>;",tph.getName(), tph.getName()), classSignature);
+    }
+
+    @Test
+    public void descriptor_IntInt(){
+        var classDescriptor = funNGenerator.getSpecializedDescriptor(Arrays.asList(integerType), integerType);
+        //does not have to contain L and ; because TypeToDescriptor returns the descriptor without these characters as well
+        assertEquals("Fun1$$$_$Ljava$lang$Integer$_$Ljava$lang$Integer$_$", classDescriptor);
+    }
+
+    @Test
+    public void descriptor_IntT(){
+        var classDescriptor = funNGenerator.getSpecializedDescriptor(Arrays.asList(integerType), genericT);
+        //does not have to contain L and ; because TypeToDescriptor returns the descriptor without these characters as well
+        assertEquals("Fun1$$$_$Ljava$lang$Integer$_$LT$_$", classDescriptor);
+    }
+
+    @Test
+    public void descriptor_TPHTPH(){
+        var classDescriptor = funNGenerator.getSpecializedDescriptor(Arrays.asList(tph), tph);
+        //does not have to contain L and ; because TypeToDescriptor returns the descriptor without these characters as well
+        assertEquals("Fun1$$$_$LTPH$_$LTPH$_$", classDescriptor);
+    }
+
+    @Test
+    public void getArguments_Empty(){
+        var arguments = funNGenerator.getArguments(Arrays.asList());
+        assertTrue(arguments.isEmpty());
+    }
+
+    @Test
+    public void getArguments_Int(){
+        var arguments = funNGenerator.getArguments(Arrays.asList(integerType));
+        assertTrue(arguments.isEmpty());
+    }
+
+    @Test
+    public void getArguments_IntT(){
+        var arguments = funNGenerator.getArguments(Arrays.asList(integerType, genericT));
+        assertTrue(arguments.size() == 1);
+        assertTrue(arguments.contains(integerType));
+    }
+
+    @Test
+    public void getArguments_IntTInt(){
+        var arguments = funNGenerator.getArguments(Arrays.asList(integerType, genericT, integerType));
+        assertTrue(arguments.size() == 2);
+        assertTrue(arguments.contains(integerType));
+        assertTrue(arguments.contains(genericT));
+    }
+
+    @Test
+    public void getReturnType_Empty(){
+        var returnType = funNGenerator.getReturnType(Arrays.asList());
+        assertNull(returnType);
+    }
+
+    @Test
+    public void getReturnType_Int(){
+        var returnType = funNGenerator.getReturnType(Arrays.asList(integerType));
+        assertEquals(integerType, returnType);
+    }
+
+    @Test
+    public void getReturnType_IntT(){
+        var returnType = funNGenerator.getReturnType(Arrays.asList(integerType, genericT));
+        assertEquals(genericT, returnType);
+    }
+
+    @Test
+    public void superBytecode_0(){
+        var superBytecode = funNGenerator.generateSuperBytecode(0);
+        assertArrayEquals(superBytecodeReference_0(), superBytecode);
+    }
+
+    @Test
+    public void superBytecode_1(){
+        var superBytecode = funNGenerator.generateSuperBytecode(1);
+        assertArrayEquals(superBytecodeReference_1(), superBytecode);
+    }
+
+    @Test
+    public void superBytecode_2(){
+        var superBytecode = funNGenerator.generateSuperBytecode(2);
+        assertArrayEquals(superBytecodeReference_2(), superBytecode);
+    }
+
+    @Test
+    public void specializedBytecode_VoidInt(){
+        var specializedBytecode = funNGenerator.generateSpecializedBytecode(Arrays.asList(), integerType);
+        assertArrayEquals(specializedBytecodeReference_VoidInt(), specializedBytecode);
+    }
+
+    @Test
+    public void specializedBytecode_IntInt(){
+        var specializedBytecode = funNGenerator.generateSpecializedBytecode(Arrays.asList(integerType), integerType);
+        assertArrayEquals(specializedBytecodeReference_IntInt(), specializedBytecode);
+    }
+
+    @Test
+    public void specializedBytecode_TIntInt(){
+        var specializedBytecode = funNGenerator.generateSpecializedBytecode(Arrays.asList(genericT, integerType), integerType);
+        assertArrayEquals(specializedBytecodeReference_TIntInt(), specializedBytecode);
+    }
+
+    //super bytecode reference methods
+    private static byte[] superBytecodeReference_0() {
+        var classWriter = new ClassWriter(0);
+        classWriter.visit(V1_8, ACC_PUBLIC | ACC_ABSTRACT | ACC_INTERFACE, "Fun0$$", "<R:Ljava/lang/Object;>Ljava/lang/Object;", "java/lang/Object", null);
+        var methodVisitor = classWriter.visitMethod(ACC_PUBLIC | ACC_ABSTRACT, "apply", "()Ljava/lang/Object;", "()TR;", null);
+        methodVisitor.visitEnd();
+        classWriter.visitEnd();
+        return classWriter.toByteArray();
+    }
+
+    private static byte[] superBytecodeReference_1() {
+        var classWriter = new ClassWriter(0);
+        classWriter.visit(V1_8, ACC_PUBLIC | ACC_ABSTRACT | ACC_INTERFACE, "Fun1$$", "<T1:Ljava/lang/Object;R:Ljava/lang/Object;>Ljava/lang/Object;", "java/lang/Object", null);
+        var methodVisitor = classWriter.visitMethod(ACC_PUBLIC | ACC_ABSTRACT, "apply", "(Ljava/lang/Object;)Ljava/lang/Object;", "(TT1;)TR;", null);
+        methodVisitor.visitEnd();
+        classWriter.visitEnd();
+        return classWriter.toByteArray();
+    }
+
+    private static byte[] superBytecodeReference_2() {
+        ClassWriter classWriter = new ClassWriter(0);
+        classWriter.visit(V1_8, ACC_PUBLIC | ACC_ABSTRACT | ACC_INTERFACE, "Fun2$$", "<T1:Ljava/lang/Object;T2:Ljava/lang/Object;R:Ljava/lang/Object;>Ljava/lang/Object;", "java/lang/Object", null);
+        var methodVisitor = classWriter.visitMethod(ACC_PUBLIC | ACC_ABSTRACT, "apply", "(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;", "(TT1;TT2;)TR;", null);
+        methodVisitor.visitEnd();
+        classWriter.visitEnd();
+        return classWriter.toByteArray();
+    }
+
+    //specialized bytecode reference methods
+    private static byte[] specializedBytecodeReference_VoidInt() {
+        ClassWriter classWriter = new ClassWriter(0);
+        classWriter.visit(V1_8, ACC_PUBLIC | ACC_ABSTRACT | ACC_INTERFACE, "Fun0$$$_$Ljava$lang$Integer$_$", "Ljava/lang/Object;LFun0$$<Ljava/lang/Integer;>;", "java/lang/Object", new String[]{"Fun0$$"});
+        classWriter.visitEnd();
+        return classWriter.toByteArray();
+    }
+
+    private static byte[] specializedBytecodeReference_IntInt() {
+        ClassWriter classWriter = new ClassWriter(0);
+        classWriter.visit(V1_8, ACC_PUBLIC | ACC_ABSTRACT | ACC_INTERFACE, "Fun1$$$_$Ljava$lang$Integer$_$Ljava$lang$Integer$_$", "Ljava/lang/Object;LFun1$$<Ljava/lang/Integer;Ljava/lang/Integer;>;", "java/lang/Object", new String[]{"Fun1$$"});
+        classWriter.visitEnd();
+        return classWriter.toByteArray();
+    }
+
+    private static byte[] specializedBytecodeReference_TIntInt() {
+        ClassWriter classWriter = new ClassWriter(0);
+        classWriter.visit(V1_8, ACC_PUBLIC | ACC_ABSTRACT | ACC_INTERFACE, "Fun2$$$_$LT$_$Ljava$lang$Integer$_$Ljava$lang$Integer$_$", "<T:Ljava/lang/Object;>Ljava/lang/Object;LFun2$$<TT;Ljava/lang/Integer;Ljava/lang/Integer;>;", "java/lang/Object", new String[]{"Fun2$$"});
+        classWriter.visitEnd();
+        return classWriter.toByteArray();
+    }
+}

src/test/java/parser/GeneralParserTest.java

@@ -20,18 +20,17 @@ import org.junit.Test;
  *
  */
 public class GeneralParserTest{
-	private static final String rootDirectory = System.getProperty("user.dir")+"/test/parser/";
-	
 	@Test
 	public void run(){
 
 		
 		List<String> filenames = new ArrayList<String>();
+
+		filenames.add("javFiles/parser/NewTest.jav");
+		//filenames.add("CastTest.jav");
 		/*
-		filenames.add("NewTest.jav");
 		filenames.add("FieldInitializationTest.jav");
 		filenames.add("ImportTest.jav");
-		filenames.add("CastTest.jav");
 		filenames.add("StatementsTest.jav");
 		//filenames.add("Methods.jav");
 		filenames.add("ImportTestGeneric.jav");
@@ -40,11 +39,14 @@ public class GeneralParserTest{
 		//filenames.add("GenericFieldVarTest.jav");
 		filenames.add("FieldVarTest.jav");
 		filenames.add("StructuralTypes.jav");
+		filenames.add("ExtendsTest.jav");
 		*/
-//		filenames.add("ExtendsTest.jav");
+
-		filenames.add("PackageNameTest.jav");
+		//filenames.add("PackageNameTest.jav");
 		try{
-			new JavaTXCompiler(filenames.stream().map(s -> new File(rootDirectory + s)).collect(Collectors.toList()));
+			for(String filename : filenames){
+				new JavaTXCompiler(new File(Thread.currentThread().getContextClassLoader().getResource(filename).getPath()));
+			}
 		}catch(Exception exc){
 			exc.printStackTrace();
 			fail();

src/test/resources/bytecode/javFiles/OLFun.jav

@@ -6,8 +6,7 @@ import java.lang.Boolean;
 
 public class OLFun    {
 
-	//f = x -> {return x + x;};
 	m(f, x) {
-	    x = f.apply(x+x);
+	    var y = f.apply(x + x) + 1;
 	}
 }

src/test/resources/bytecode/javFiles/OLFun2.jav

@@ -6,8 +6,9 @@ import java.lang.Boolean;
 
 public class OLFun2 {
 
-    x;
 	m(f){
-	    x = f.apply(x + x)
+	    var x = 1;
+	    var y = f.apply(x + x) + 1;
+	    return y;
 	}
 }

src/test/resources/javFiles/parser/AntlrTest.jav

@@ -1,3 +1,4 @@
+
 class Test{
 method(){
 	if(true)i++;

src/test/resources/testBytecode/manually/OLFunTest.java

@@ -0,0 +1,10 @@
+public class OLFunTest{
+    public static void main(String[] args){
+        var olFun2 = new OLFun2();
+        Integer i = olFun2.m((Integer x) -> x);
+        i = olFun2.m((Double x) -> x.intValue());
+
+        Double d = olFun2.m((Integer x) -> Double.valueOf(x));
+        d = olFun2.m((Double x) -> x);
+    }
+}