Add test for 'natural' C++ std::string handling in C (char*).

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/branches/gsoc2012-c@13482 626c5289-ae23-0410-ae9c-e8d60b6d4f22

Examples/test-suite/c/Makefile.in

@@ -23,6 +23,7 @@ CPP_TEST_CASES += \
 				 cpp_basic_global_var_atom \
 				 cpp_basic_global_var_class \
 				 cpp_basic_namespaced_class \
+				 c_backend_cpp_natural_std_string \
 				 c_backend_cpp_exception
 
 #

Examples/test-suite/c/c_backend_cpp_natural_std_string_runme.c

@@ -0,0 +1,16 @@
+#include <stdlib.h>
+#include <assert.h>
+#include <string.h>
+#include "c_backend_cpp_natural_std_string/c_backend_cpp_natural_std_string_proxy.h"
+
+int main()
+{
+	char *myComposedString = myStringAppend("World, ", "Hello!");
+
+	assert(myComposedString);
+	assert(strcmp(myComposedString, "World, Hello!") == 0);
+
+	free(myComposedString);
+
+	return 0;
+}

Examples/test-suite/c_backend_cpp_natural_std_string.i

@@ -0,0 +1,13 @@
+%module c_backend_cpp_natural_std_string
+
+%feature ("nspace", "1");
+
+%include std_string.i
+
+%inline %{
+	static std::string& myStringAppend(std::string &someString, const std::string &appendedString)
+	{
+		someString += appendedString;
+		return someString;
+	}
+%}