Fixed the warnings in the test C++ for C# only.

Signed-off-by: Dimitar Dobrev <dpldobrev@protonmail.com>

tests/CSharp/AnotherUnit.h

@@ -36,7 +36,7 @@ struct DLL_API ForwardDeclaredStruct;
 struct DLL_API DuplicateDeclaredStruct;
 
 template <typename T>
-class TemplateInAnotherUnit
+class DLL_API TemplateInAnotherUnit
 {
     T field;
 };

tests/CSharp/CSharp.cpp

@@ -1425,8 +1425,7 @@ int funcWithTypedefedFuncPtrAsParam(typedefedFuncPtr* func)
 
 typedefedFuncPtr* TestDuplicateDelegate::testDuplicateDelegate(int a)
 {
-    typedefedFuncPtr* func;
-    return func;
+    return 0;
 }
 
 void InlineNamespace::FunctionInsideInlineNamespace()

tests/CSharp/CSharpTemplates.h

@@ -270,7 +270,7 @@ private:
 };
 
 template <typename T, typename D = IndependentFields<T>>
-class HasDefaultTemplateArgument
+class DLL_API HasDefaultTemplateArgument
 {
 public:
     HasDefaultTemplateArgument();
@@ -288,7 +288,7 @@ private:
 };
 
 template <>
-class HasDefaultTemplateArgument<bool, bool>
+class DLL_API HasDefaultTemplateArgument<bool, bool>
 {
 public:
     HasDefaultTemplateArgument();
@@ -421,6 +421,12 @@ T& TemplateWithIndexer<T>::operator[](int i)
     return t[0];
 }
 
+template <typename T>
+T& TemplateWithIndexer<T>::operator[](const T& key)
+{
+    return t[0];
+}
+
 template <typename T>
 T& TemplateWithIndexer<T>::operator[](const char* string)
 {
@@ -491,15 +497,16 @@ private:
     HasDefaultTemplateArgument<bool, bool> explicitSpecialization;
 };
 
-class DLL_API SpecializedInterfaceForMap : InternalWithExtension<char>
+class DLL_API SpecializedInterfaceForMap : public InternalWithExtension<char>
 {
 public:
     SpecializedInterfaceForMap();
     ~SpecializedInterfaceForMap();
 };
 
-class DLL_API HasSpecializationForSecondaryBase : T1, DependentValueFields<int>, IndependentFields<int>,
-                                                  InternalWithExtension<float>, DependentPointerFields<DependentValueFields<int>>
+class DLL_API HasSpecializationForSecondaryBase : public DependentValueFields<int>,
+                                                  public IndependentFields<int>,
+                                                  public InternalWithExtension<float>
 {
 public:
     HasSpecializationForSecondaryBase();
@@ -583,7 +590,7 @@ struct MapResultType<InputSequence<T>, MapFunctor>
     typedef InputSequence<typename LazyResultType<MapFunctor>::Type> ResultType;
 };
 
-class RegularDynamic
+class DLL_API RegularDynamic
 {
 public:
     RegularDynamic();
@@ -592,7 +599,7 @@ public:
 };
 
 template<typename T>
-class TemplateDerivedFromRegularDynamic : public RegularDynamic
+class DLL_API TemplateDerivedFromRegularDynamic : public RegularDynamic
 {
 public:
     TemplateDerivedFromRegularDynamic();

tests/NamespacesBase/NamespacesBase.h

@@ -11,7 +11,7 @@ namespace OverlappingNamespace
         green,
     };
 
-    class InBaseLib
+    class DLL_API InBaseLib
     {
     public:
         InBaseLib()
@@ -60,7 +60,7 @@ class TemplateClass
 };
 
 template <typename T>
-class TemplateWithIndependentFields
+class DLL_API TemplateWithIndependentFields
 {
 public:
     void useDependentPointer(const T* t);

tests/NamespacesDerived/NamespacesDerived.h

@@ -5,7 +5,6 @@
 // Test whether qualified names turn out right.
 namespace OverlappingNamespace
 {
-
     class InDerivedLib
     {
     public: