Test using a specialization from a dependent module

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

tests/NamespacesBase/NamespacesBase.h

@@ -51,6 +51,10 @@ public:
 template <typename T>
 class TemplateClass
 {
+public:
+    T getField() const;
+    void setField(const T& value);
+private:
     union
     {
         int i;
@@ -59,6 +63,18 @@ class TemplateClass
     T t;
 };
 
+template <typename T>
+T TemplateClass<T>::getField() const
+{
+    return t;
+}
+
+template <typename T>
+void TemplateClass<T>::setField(const T& value)
+{
+    t = value;
+}
+
 template <typename T>
 class DLL_API TemplateWithIndependentFields
 {
@@ -84,3 +100,6 @@ public:
     ~SecondaryBase();
     void function();
 };
+
+// force the symbols for the template instantiations because we do not have the auto-compilation for the generated C++ source
+template class DLL_API TemplateClass<int>;

tests/NamespacesDerived/NamespacesDerived.Tests.cs

@@ -18,6 +18,12 @@ public class NamespaceDerivedTests
             var parent = derived.Parent;
             derived.parent(0);
         }
+        using (var derived2 = new Derived2())
+        {
+            var template = derived2.Template;
+            template.Field = 5;
+            Assert.That(template.Field, Is.EqualTo(5));
+        }
     }
 
     [Test]

tests/NamespacesDerived/NamespacesDerived.cpp

@@ -33,6 +33,14 @@ void Derived::setNestedNSComponent(OverlappingNamespace::InBaseLib c)
     nestedNSComponent = c;
 }
 
+Derived2::Derived2()
+{
+}
+
+Derived2::~Derived2()
+{
+}
+
 Base3 Derived2::getBase()
 {
     return baseComponent;
@@ -57,6 +65,11 @@ void Derived2::defaultEnumValueFromDependency(OverlappingNamespace::ColorsEnum c
 {
 }
 
+TemplateClass<int> Derived2::getTemplate()
+{
+    return t;
+}
+
 Abstract* Derived2::getAbstract()
 {
     return 0;

tests/NamespacesDerived/NamespacesDerived.h

@@ -44,9 +44,11 @@ class Base3
 
 template <typename T> class TemplateClass;
 
-class Derived2 : public Base3
+class DLL_API Derived2 : public Base3
 {
 public:
+    Derived2();
+    ~Derived2();
     Base3 baseComponent;
     Base3 getBase();
     void setBase(Base3);
@@ -56,6 +58,7 @@ public:
     void setNestedNSComponent(OverlappingNamespace::InDerivedLib);
     void defaultEnumValueFromDependency(OverlappingNamespace::ColorsEnum c = OverlappingNamespace::ColorsEnum::black);
 
+    TemplateClass<int> getTemplate();
     Abstract* getAbstract();
 private:
     TemplateClass<int> t;