diff --git a/ndnboost/test/detail/log_level.hpp b/ndnboost/test/detail/log_level.hpp
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+++ b/ndnboost/test/detail/log_level.hpp
@@ -0,0 +1,43 @@
+//  (C) Copyright Gennadiy Rozental 2005-2008.
+//  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 : shared definition for unit test log levels
+// ***************************************************************************
+
+#ifndef BOOST_TEST_LOG_LEVEL_HPP_011605GER
+#define BOOST_TEST_LOG_LEVEL_HPP_011605GER
+
+namespace ndnboost {
+namespace unit_test {
+
+// ************************************************************************** //
+// **************                   log levels                 ************** //
+// ************************************************************************** //
+
+//  each log level includes all subsequent higher loging levels
+enum            log_level {
+    invalid_log_level        = -1,
+    log_successful_tests     = 0,
+    log_test_units           = 1,
+    log_messages             = 2,
+    log_warnings             = 3,
+    log_all_errors           = 4, // reported by unit test macros
+    log_cpp_exception_errors = 5, // uncaught C++ exceptions
+    log_system_errors        = 6, // including timeouts, signals, traps
+    log_fatal_errors         = 7, // including unit test macros or
+                                  // fatal system errors
+    log_nothing              = 8
+};
+
+} // namespace unit_test
+} // namespace ndnboost
+
+#endif // BOOST_TEST_LOG_LEVEL_HPP_011605GER