diff --git a/ndnboost/test/utils/basic_cstring/io.hpp b/ndnboost/test/utils/basic_cstring/io.hpp
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+//  (C) Copyright Gennadiy Rozental 2004-2008.
+//  Distributed under the Boost Software License, Version 1.0.
+//  (See accompanying file LICENSE_1_0.txt or copy at 
+//  http://www.boost.org/LICENSE_1_0.txt)
+
+//  See http://www.boost.org/libs/test for the library home page.
+//
+//  File        : $RCSfile$
+//
+//  Version     : $Revision: 49312 $
+//
+//  Description : basic_cstring i/o implementation
+// ***************************************************************************
+
+#ifndef  BOOST_TEST_BASIC_CSTRING_IO_HPP_071894GER
+#define  BOOST_TEST_BASIC_CSTRING_IO_HPP_071894GER
+
+// Boost.Test
+#include <ndnboost/test/utils/basic_cstring/basic_cstring.hpp>
+
+// STL
+#include <iosfwd>
+#include <string>
+
+#include <ndnboost/test/detail/suppress_warnings.hpp>
+
+//____________________________________________________________________________//
+
+namespace ndnboost {
+
+namespace unit_test {
+
+#ifdef BOOST_CLASSIC_IOSTREAMS
+
+template<typename CharT>
+inline std::ostream&
+operator<<( std::ostream& os, basic_cstring<CharT> const& str )
+{
+    typedef typename ut_detail::bcs_base_char<CharT>::type char_type;
+    char_type const* const beg = reinterpret_cast<char_type const* const>( str.begin() );
+    char_type const* const end = reinterpret_cast<char_type const* const>( str.end() );
+    os << std::basic_string<char_type>( beg, end - beg );
+
+    return os;
+}
+
+#else
+
+template<typename CharT1, typename Tr,typename CharT2>
+inline std::basic_ostream<CharT1,Tr>&
+operator<<( std::basic_ostream<CharT1,Tr>& os, basic_cstring<CharT2> const& str )
+{
+    CharT1 const* const beg = reinterpret_cast<CharT1 const*>( str.begin() ); // !!
+    CharT1 const* const end = reinterpret_cast<CharT1 const*>( str.end() );
+    os << std::basic_string<CharT1,Tr>( beg, end - beg );
+
+    return os;
+}
+
+#endif
+
+//____________________________________________________________________________//
+
+
+} // namespace unit_test
+
+} // namespace ndnboost
+
+//____________________________________________________________________________//
+
+#include <ndnboost/test/detail/enable_warnings.hpp>
+
+#endif // BOOST_TEST_BASIC_CSTRING_IO_HPP_071894GER