// (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 : $RCSfile$
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//
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// Version : $Revision: 74248 $
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//
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// Description : inidiration interfaces to support manipulators and message output
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// ***************************************************************************
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#ifndef BOOST_TEST_TOOLS_DETAIL_INDIRECTIONS_HPP_112812GER
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#define BOOST_TEST_TOOLS_DETAIL_INDIRECTIONS_HPP_112812GER
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// Boost.Test
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#include <boost/test/tools/detail/fwd.hpp>
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#include <boost/test/tools/assertion_result.hpp>
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#include <boost/test/utils/lazy_ostream.hpp>
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#include <boost/shared_ptr.hpp>
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#include <list>
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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 test_tools {
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namespace tt_detail {
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struct assertion_evaluation_context
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{
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assertion_evaluation_context(bool has_report = false)
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: m_has_report(has_report)
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{}
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bool m_has_report;
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};
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// ************************************************************************** //
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// ************** assertion_evaluate indirection ************** //
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// ************************************************************************** //
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template<typename E>
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struct assertion_evaluate_t {
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typedef shared_ptr<assertion_evaluation_context> context_holder;
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assertion_evaluate_t( E const& e ) : m_e( e ), m_evaluate( true )
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{}
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operator assertion_result() { return m_e.evaluate( m_evaluate ); }
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assertion_evaluate_t<E>
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stack_context(context_holder context) const {
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assertion_evaluate_t<E> added_context(*this);
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added_context.m_context_holder.push_back(context);
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added_context.m_evaluate = !context->m_has_report;
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return added_context;
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}
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E const& m_e;
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std::list< context_holder > m_context_holder;
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bool m_evaluate;
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};
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//____________________________________________________________________________//
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template<typename E>
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inline assertion_evaluate_t<E>
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assertion_evaluate( E const& e ) { return assertion_evaluate_t<E>( e ); }
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//____________________________________________________________________________//
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template<typename E, typename T>
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inline assertion_evaluate_t<E>
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operator<<( assertion_evaluate_t<E> const& ae, T const& ) { return ae; }
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//____________________________________________________________________________//
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// ************************************************************************** //
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// ************** assertion_text indirection ************** //
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// ************************************************************************** //
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inline unit_test::lazy_ostream const&
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assertion_text( unit_test::lazy_ostream const& et, unit_test::lazy_ostream const& s) {
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if(!s.empty())
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return s;
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return et;
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}
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//____________________________________________________________________________//
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// ************************************************************************** //
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// ************** assertion_evaluate indirection ************** //
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// ************************************************************************** //
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struct assertion_type {
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assertion_type(check_type ct = CHECK_MSG) : m_check_type(ct)
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{}
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operator check_type() { return m_check_type; }
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check_type m_check_type;
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};
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//____________________________________________________________________________//
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template<typename T>
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inline assertion_type
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operator<<( assertion_type const& at, T const& ) { return at; }
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//____________________________________________________________________________//
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} // namespace tt_detail
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} // namespace test_tools
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} // namespace boost
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#include <boost/test/detail/enable_warnings.hpp>
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#endif // BOOST_TEST_TOOLS_DETAIL_INDIRECTIONS_HPP_112812GER
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