Duplicate tests that are run twice as both C and C++ tests to fix parallel make: li_carrays

Examples/test-suite/li_carrays_cpp.i

@@ -0,0 +1,28 @@
+%module li_carrays_cpp
+
+%warnfilter(SWIGWARN_RUBY_WRONG_NAME) doubleArray; /* Ruby, wrong class name */
+
+%include <carrays.i>
+
+%array_functions(int,intArray);
+%array_class(double, doubleArray);
+
+%inline %{
+typedef struct {
+  int x;
+  int y;
+} XY;
+XY globalXYArray[3];
+
+typedef struct {
+  int a;
+  int b;
+} AB;
+
+AB globalABArray[3];
+%}
+
+// Note that struct XY { ... }; gives compiler error for C when using %array_class or %array_functions, but is okay in C++
+%array_class(XY, XYArray)
+%array_functions(AB, ABArray)
+