281 lines
12 KiB
C++
Executable File
281 lines
12 KiB
C++
Executable File
// (C) Copyright Gennadiy Rozental 2001.
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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// See http://www.boost.org/libs/test for the library home page.
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//
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/// @file
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/// @brief defines singleton class unit_test_log and all manipulators.
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/// unit_test_log has output stream like interface. It's implementation is
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/// completely hidden with pimple idiom
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// ***************************************************************************
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#ifndef BOOST_TEST_UNIT_TEST_LOG_HPP_071894GER
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#define BOOST_TEST_UNIT_TEST_LOG_HPP_071894GER
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// Boost.Test
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#include <boost/test/tree/observer.hpp>
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#include <boost/test/detail/global_typedef.hpp>
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#include <boost/test/detail/log_level.hpp>
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#include <boost/test/detail/fwd_decl.hpp>
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#include <boost/test/utils/wrap_stringstream.hpp>
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#include <boost/test/utils/lazy_ostream.hpp>
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// Boost
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// STL
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#include <iosfwd> // for std::ostream&
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#include <boost/test/detail/suppress_warnings.hpp>
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//____________________________________________________________________________//
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namespace boost {
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namespace unit_test {
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// ************************************************************************** //
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// ************** log manipulators ************** //
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// ************************************************************************** //
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namespace log {
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struct BOOST_TEST_DECL begin {
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begin( const_string fn, std::size_t ln )
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: m_file_name( fn )
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, m_line_num( ln )
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{}
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const_string m_file_name;
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std::size_t m_line_num;
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};
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struct end {};
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} // namespace log
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// ************************************************************************** //
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// ************** entry_value_collector ************** //
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// ************************************************************************** //
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namespace ut_detail {
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class BOOST_TEST_DECL entry_value_collector {
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public:
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// Constructors
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entry_value_collector() : m_last( true ) {}
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entry_value_collector( entry_value_collector const& rhs ) : m_last( true ) { rhs.m_last = false; }
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~entry_value_collector();
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// collection interface
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entry_value_collector const& operator<<( lazy_ostream const& ) const;
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entry_value_collector const& operator<<( const_string ) const;
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private:
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// Data members
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mutable bool m_last;
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};
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} // namespace ut_detail
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// ************************************************************************** //
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// ************** unit_test_log ************** //
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// ************************************************************************** //
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/// @brief Manages the sets of loggers, their streams and log levels
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///
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/// The Boost.Test framework allows for having several formatters/loggers at the same time, each of which
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/// having their own log level and output stream.
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///
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/// This class serves the purpose of
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/// - exposing an interface to the test framework (as a boost::unit_test::test_observer)
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/// - exposing an interface to the testing tools
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/// - managing several loggers
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///
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/// @note Accesses to the functions exposed by this class are made through the singleton
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/// @c boost::unit_test::unit_test_log.
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///
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/// Users/developers willing to implement their own formatter need to:
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/// - implement a boost::unit_test::unit_test_log_formatter that will output the desired format
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/// - register the formatter during a eg. global fixture using the method @c set_formatter (though the framework singleton).
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///
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/// @warning this observer has a higher priority than the @ref boost::unit_test::results_collector_t. This means
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/// that the various @ref boost::unit_test::test_results associated to each test unit may not be available at the time
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/// the @c test_unit_start, @c test_unit_finish ... are called.
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///
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/// @see
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/// - boost::unit_test::test_observer
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/// - boost::unit_test::unit_test_log_formatter
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class BOOST_TEST_DECL unit_test_log_t : public test_observer {
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public:
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// test_observer interface implementation
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void test_start( counter_t test_cases_amount, test_unit_id ) BOOST_OVERRIDE;
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void test_finish() BOOST_OVERRIDE;
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void test_aborted() BOOST_OVERRIDE;
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void test_unit_start( test_unit const& ) BOOST_OVERRIDE;
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void test_unit_finish( test_unit const&, unsigned long elapsed ) BOOST_OVERRIDE;
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void test_unit_skipped( test_unit const&, const_string ) BOOST_OVERRIDE;
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void test_unit_aborted( test_unit const& ) BOOST_OVERRIDE;
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void test_unit_timed_out( test_unit const& ) BOOST_OVERRIDE;
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void exception_caught( execution_exception const& ex ) BOOST_OVERRIDE;
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int priority() BOOST_OVERRIDE { return 2; }
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// log configuration methods
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//! Sets the stream for all loggers
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//!
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//! This will override the log sink/stream of all loggers, whether enabled or not.
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void set_stream( std::ostream& );
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//! Sets the stream for specific logger
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//!
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//! @note Has no effect if the specified format is not found
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//! @par Since Boost 1.62
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void set_stream( output_format, std::ostream& );
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//! Returns a pointer to the stream associated to specific logger
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//!
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//! @note Returns a null pointer if the format is not found
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//! @par Since Boost 1.67
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std::ostream* get_stream( output_format ) const;
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//! Sets the threshold level for all loggers/formatters.
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//!
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//! This will override the log level of all loggers, whether enabled or not.
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//! @return the minimum of the previous log level of all formatters (new in Boost 1.73)
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log_level set_threshold_level( log_level );
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//! Sets the threshold/log level of a specific format
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//!
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//! @note Has no effect if the specified format is not found
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//! @par Since Boost 1.62
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//! @return the previous log level of the corresponding formatter (new in Boost 1.73)
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log_level set_threshold_level( output_format, log_level );
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//! Add a format to the set of loggers
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//!
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//! Adding a logger means that the specified logger is enabled. The log level is managed by the formatter itself
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//! and specifies what events are forwarded to the underlying formatter.
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//! @par Since Boost 1.62
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void add_format( output_format );
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//! Sets the format of the logger
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//!
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//! This will become the only active format of the logs.
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void set_format( output_format );
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//! Returns the logger instance for a specific format.
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//!
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//! @returns the logger/formatter instance, or @c (unit_test_log_formatter*)0 if the format is not found.
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//! @par Since Boost 1.62
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unit_test_log_formatter* get_formatter( output_format );
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//! Sets the logger instance
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//!
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//! The specified logger becomes the unique active one. The custom log formatter has the
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//! format @c OF_CUSTOM_LOGGER. If such a format exists already, its formatter gets replaced by the one
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//! given in argument.
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//!
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//! The log level and output stream of the new formatter are taken from the currently active logger. In case
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//! several loggers are active, the order of priority is CUSTOM, HRF, XML, and JUNIT.
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//! If (unit_test_log_formatter*)0 is given as argument, the custom logger (if any) is removed.
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//!
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//! @note The ownership of the pointer is transferred to the Boost.Test framework. This call is equivalent to
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//! - a call to @c add_formatter
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//! - a call to @c set_format(OF_CUSTOM_LOGGER)
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//! - a configuration of the newly added logger with a previously configured stream and log level.
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void set_formatter( unit_test_log_formatter* );
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//! Adds a custom log formatter to the set of formatters
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//!
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//! The specified logger is added with the format @c OF_CUSTOM_LOGGER, such that it can
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//! be futher selected or its stream/log level can be specified.
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//! If there is already a custom logger (with @c OF_CUSTOM_LOGGER), then
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//! the existing one gets replaced by the one given in argument.
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//! The provided logger is added with an enabled state.
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//! If (unit_test_log_formatter*)0 is given as argument, the custom logger (if any) is removed and
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//! no other action is performed.
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//!
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//! @note The ownership of the pointer is transferred to the Boost.Test framework.
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//! @par Since Boost 1.62
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void add_formatter( unit_test_log_formatter* the_formatter );
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// test progress logging
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void set_checkpoint( const_string file, std::size_t line_num, const_string msg = const_string() );
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// entry logging
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unit_test_log_t& operator<<( log::begin const& ); // begin entry
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unit_test_log_t& operator<<( log::end const& ); // end entry
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unit_test_log_t& operator<<( log_level ); // set entry level
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unit_test_log_t& operator<<( const_string ); // log entry value
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unit_test_log_t& operator<<( lazy_ostream const& ); // log entry value
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ut_detail::entry_value_collector operator()( log_level ); // initiate entry collection
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//! Prepares internal states after log levels, streams and format has been set up
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void configure();
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private:
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// Singleton
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BOOST_TEST_SINGLETON_CONS( unit_test_log_t )
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}; // unit_test_log_t
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BOOST_TEST_SINGLETON_INST( unit_test_log )
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// helper macros
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#define BOOST_TEST_LOG_ENTRY( ll ) \
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(::boost::unit_test::unit_test_log \
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<< ::boost::unit_test::log::begin( BOOST_TEST_L(__FILE__), __LINE__ ))(ll) \
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/**/
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} // namespace unit_test
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} // namespace boost
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// ************************************************************************** //
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// ************** Unit test log interface helpers ************** //
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// ************************************************************************** //
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// messages sent by the framework
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#define BOOST_TEST_FRAMEWORK_MESSAGE( M ) \
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(::boost::unit_test::unit_test_log \
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<< ::boost::unit_test::log::begin( \
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"boost.test framework", \
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0 )) \
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( ::boost::unit_test::log_messages ) \
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<< BOOST_TEST_LAZY_MSG( M ) \
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/**/
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#define BOOST_TEST_MESSAGE( M ) \
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BOOST_TEST_LOG_ENTRY( ::boost::unit_test::log_messages ) \
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<< BOOST_TEST_LAZY_MSG( M ) \
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/**/
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//____________________________________________________________________________//
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#define BOOST_TEST_PASSPOINT() \
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::boost::unit_test::unit_test_log.set_checkpoint( \
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BOOST_TEST_L(__FILE__), \
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static_cast<std::size_t>(__LINE__) ) \
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/**/
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//____________________________________________________________________________//
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#define BOOST_TEST_CHECKPOINT( M ) \
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::boost::unit_test::unit_test_log.set_checkpoint( \
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BOOST_TEST_L(__FILE__), \
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static_cast<std::size_t>(__LINE__), \
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(::boost::wrap_stringstream().ref() << M).str() ) \
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/**/
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//____________________________________________________________________________//
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#include <boost/test/detail/enable_warnings.hpp>
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#endif // BOOST_TEST_UNIT_TEST_LOG_HPP_071894GER
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