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diff --git a/src/third_party/boost-1.56.0/boost/test/impl/interaction_based.ipp b/src/third_party/boost-1.56.0/boost/test/impl/interaction_based.ipp
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+//  (C) Copyright Gennadiy Rozental 2005-2008.
+//  Use, modification, and distribution are subject to the
+//  Boost Software License, Version 1.0. (See accompanying file
+//  http://www.boost.org/LICENSE_1_0.txt)
+
+//  See http://www.boost.org/libs/test for the library home page.
+//
+//  File        : $RCSfile$
+//
+//  Version     : $Revision$
+//
+//  Description : Facilities to perform interaction-based testing
+// ***************************************************************************
+
+#ifndef BOOST_TEST_INTERACTION_BASED_IPP_112105GER
+#define BOOST_TEST_INTERACTION_BASED_IPP_112105GER
+
+// Boost.Test
+#include <boost/test/detail/config.hpp>
+
+#if BOOST_TEST_SUPPORT_INTERACTION_TESTING
+
+// Boost.Test
+#include <boost/test/detail/config.hpp>
+#include <boost/test/utils/callback.hpp>
+#include <boost/test/interaction_based.hpp>
+#include <boost/test/mock_object.hpp>
+#include <boost/test/framework.hpp>     // for setup_error
+
+#include <boost/test/detail/suppress_warnings.hpp>
+
+// STL
+#include <stdexcept>
+#include <string>
+
+//____________________________________________________________________________//
+
+namespace boost {
+
+namespace itest { // interaction-based testing
+
+// ************************************************************************** //
+// **************                    manager                   ************** //
+// ************************************************************************** //
+
+manager::manager()
+{
+    instance_ptr( true, this );
+}
+
+//____________________________________________________________________________//
+
+manager::~manager()
+{
+    instance_ptr( true );
+}
+
+//____________________________________________________________________________//
+    
+manager*
+manager::instance_ptr( bool reset, manager* new_ptr )
+{
+    static manager dummy( 0 );
+    
+    static manager* ptr = &dummy;
+    
+    if( reset ) {
+        if( new_ptr ) {
+            BOOST_TEST_SETUP_ASSERT( ptr == &dummy, BOOST_TEST_L( "Can't run two interation based test the same time" ) );
+                
+            ptr = new_ptr;
+        }
+        else
+            ptr = &dummy;
+    }
+    
+    return ptr;
+}
+    
+}  // namespace itest
+
+}  // namespace boost
+
+//____________________________________________________________________________//
+
+#include <boost/test/detail/enable_warnings.hpp>
+
+#endif // not ancient compiler
+
+#endif // BOOST_TEST_INTERACTION_BASED_IPP_112105GER