Implement basic C++ exception test for C backend.

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/branches/gsoc2012-c@13479 626c5289-ae23-0410-ae9c-e8d60b6d4f22

Examples/test-suite/c_backend_cpp_exception.i

@@ -0,0 +1,25 @@
+%module c_backend_cpp_exception
+
+%exception {
+  try {
+    $action
+  } catch(SomeKnownException) {
+    checkVal = 1;
+  } catch(...) {
+    checkVal = 2;
+  }
+}
+
+%inline %{
+  class SomeKnownException{};
+  class SomeUnkownException{};
+  int checkVal = 0;
+
+  void throwSomeKnownException(void) {
+    throw SomeKnownException();
+  }
+
+  void throwSomeUnknownException(void) {
+    throw SomeUnkownException();
+  }
+%}