New warning when the smartptr feature is missing in some classes in an inheritance chain. Errors test-suite now uses Python instead of Tcl as testing language

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@12395 626c5289-ae23-0410-ae9c-e8d60b6d4f22

Examples/test-suite/errors/cpp_shared_ptr.i

@@ -0,0 +1,29 @@
+%module cpp_shared_ptr
+
+%include <boost_shared_ptr.i>
+
+%shared_ptr(B);
+%shared_ptr(C);
+
+%inline %{
+  #include <stdio.h>
+  #include <boost/shared_ptr.hpp>
+
+  struct A {
+    virtual ~A() {}
+  };
+
+  struct B {
+    virtual ~B() {}
+  };
+
+  struct C : B, A {
+    virtual ~C() {}
+  };
+
+  struct D : C {
+    virtual ~D() {}
+  };
+%}
+
+