Unicode literals

Examples/test-suite/csharp_features.i

@@ -1,4 +1,5 @@
 %module csharp_features
+%include "wchar.i"
 
 // SWIG gets the method modifiers wrong occasionally, like with private inheritance, %csmethodmodifiers can fix this
 %csmethodmodifiers Derived::VirtualMethod() "public virtual"
@@ -19,6 +20,9 @@ public:
 class MoreDerived : public Derived {
 public:
   int variable;
+  // test wide char literals support for C# module
+  void methodWithDefault1(const wchar_t* s = L"literal with escapes \x1234"){}
+  void methodWithDefault2(wchar_t c = L'\x1234'){}
 };
 %}