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+//  (C) Copyright Gennadiy Rozental 2001.
+//  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
+/// @brief defines simple text based progress monitor
+// ***************************************************************************
+
+#ifndef BOOST_TEST_PROGRESS_MONITOR_HPP_020105GER
+#define BOOST_TEST_PROGRESS_MONITOR_HPP_020105GER
+
+// Boost.Test
+#include <boost/test/tree/observer.hpp>
+#include <boost/test/utils/trivial_singleton.hpp>
+
+// STL
+#include <iosfwd>   // for std::ostream&
+
+#include <boost/test/detail/suppress_warnings.hpp>
+
+//____________________________________________________________________________//
+
+namespace boost {
+namespace unit_test {
+
+// ************************************************************************** //
+// **************                progress_monitor              ************** //
+// ************************************************************************** //
+
+/// This class implements test observer interface and updates test progress as test units finish or get aborted
+class BOOST_TEST_DECL progress_monitor_t : public test_observer, public singleton<progress_monitor_t> {
+public:
+    /// @name Test observer interface
+    /// @{
+    virtual void    test_start( counter_t test_cases_amount );
+    virtual void    test_aborted();
+
+    virtual void    test_unit_finish( test_unit const&, unsigned long );
+    virtual void    test_unit_skipped( test_unit const&, const_string );
+
+    virtual int     priority() { return 3; }
+    /// @}
+
+    /// @name Configuration
+    /// @{
+    void            set_stream( std::ostream& );
+    /// @}
+
+private:
+    BOOST_TEST_SINGLETON_CONS( progress_monitor_t )
+}; // progress_monitor_t
+
+BOOST_TEST_SINGLETON_INST( progress_monitor )
+
+} // namespace unit_test
+} // namespace boost
+
+//____________________________________________________________________________//
+
+#include <boost/test/detail/enable_warnings.hpp>
+
+#endif // BOOST_TEST_PROGRESS_MONITOR_HPP_020105GER
+