Fix for fn call when def argument is interface.

Author: genuinelucifer

src/Generator/Passes/HandleDefaultParamValuesPass.cs

@@ -243,7 +243,7 @@ private bool CheckForEnumValue(Type desugared, Statement statement,
             if (enumItem != null)
             {
                 result = string.Format("{0}{1}.{2}",
-                    desugared.IsPrimitiveType() ? "(int) " : string.Empty,
+                    desugared.IsPrimitiveType() ? "(int) " : "(" + desugared.CSharpType(new CSharpTypePrinter(Driver)) + ") ",
                     new CSharpTypePrinter(Driver).VisitEnumDecl(
                         (Enumeration) enumItem.Namespace), enumItem.Name);
                 return true;

tests/CSharp/CSharp.cpp

@@ -143,6 +143,10 @@ Bar::Bar(Qux qux)
 {
 }
 
+Bar::Bar(Items item)
+{
+}
+
 int Bar::method()
 {
     return 2;
@@ -471,6 +475,10 @@ void MethodsWithDefaultValues::defaultImplicitCtorEnum(Baz arg)
 {
 }
 
+void MethodsWithDefaultValues::defaultImplicitCtorEnumTwo(Bar arg)
+{
+}
+
 void MethodsWithDefaultValues::defaultIntWithLongExpression(unsigned int i)
 {
 }

tests/CSharp/CSharp.h

@@ -63,6 +63,7 @@ class DLL_API Bar : public Qux
     };
     Bar();
     Bar(Qux qux);
+	Bar(Items item);
     int method();
     const Foo& operator[](int i) const;
     Foo& operator[](int i);
@@ -364,6 +365,7 @@ class DLL_API MethodsWithDefaultValues : public Quux
     // in this case the arg is a MaterializeTemporaryExpr, in the other not
     // I cannot see the difference but it's there so we need both tests
     void defaultImplicitCtorEnum(Baz arg = Bar::Item1);
+	void defaultImplicitCtorEnumTwo(Bar arg = Bar::Items::Item1);
     void defaultIntWithLongExpression(unsigned int i = DEFAULT_INT);
     void defaultRefTypeEnumImplicitCtor(const QColor &fillColor = Qt::white);
     void rotate4x4Matrix(float angle, float x, float y, float z = 0.0f);