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+// (C) Copyright Gennadiy Rozental 2011-2014.
+// 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: 74248 $
+//
+// Description : test tools context interfaces
+// ***************************************************************************
+
+#ifndef BOOST_TEST_TOOLS_CONTEXT_HPP_111712GER
+#define BOOST_TEST_TOOLS_CONTEXT_HPP_111712GER
+
+// Boost.Test
+#include <boost/test/utils/lazy_ostream.hpp>
+
+#include <boost/test/detail/suppress_warnings.hpp>
+
+//____________________________________________________________________________//
+
+namespace boost {
+namespace test_tools {
+namespace tt_detail {
+
+// ************************************************************************** //
+// ************** context_frame ************** //
+// ************************************************************************** //
+
+struct BOOST_TEST_DECL context_frame {
+ explicit context_frame( ::boost::unit_test::lazy_ostream const& context_descr );
+ ~context_frame();
+
+ operator bool();
+
+private:
+ // Data members
+ int m_frame_id;
+};
+
+//____________________________________________________________________________//
+
+#define BOOST_TEST_INFO( context_descr ) \
+ ::boost::unit_test::framework::add_context( BOOST_TEST_LAZY_MSG( context_descr ) , false ) \
+/**/
+
+//____________________________________________________________________________//
+
+#define BOOST_TEST_CONTEXT( context_descr ) \
+ if( ::boost::test_tools::tt_detail::context_frame BOOST_JOIN( context_frame_, __LINE__ ) = \
+ ::boost::test_tools::tt_detail::context_frame( BOOST_TEST_LAZY_MSG( context_descr ) ) ) \
+/**/
+
+//____________________________________________________________________________//
+
+} // namespace tt_detail
+} // namespace test_tools
+} // namespace boost
+
+#include <boost/test/detail/enable_warnings.hpp>
+
+#endif // BOOST_TEST_TOOLS_CONTEXT_HPP_111712GER