71 lines
2.2 KiB
Plaintext
71 lines
2.2 KiB
Plaintext
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// (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 : toolbox implementation details
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// ***************************************************************************
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#ifndef BOOST_TEST_TOOLS_DETAIL_EXPRESSION_HOLDER_HPP_012705GER
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#define BOOST_TEST_TOOLS_DETAIL_EXPRESSION_HOLDER_HPP_012705GER
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#ifdef BOOST_NO_CXX11_AUTO_DECLARATIONS
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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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// ************************************************************************** //
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// ************** tt_detail::expression_holder ************** //
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// ************************************************************************** //
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class expression_holder {
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public:
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virtual ~expression_holder() {}
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virtual assertion_result evaluate( bool no_message = false ) const = 0;
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};
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//____________________________________________________________________________//
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template<typename E>
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class expression_holder_t: public expression_holder {
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public:
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explicit expression_holder_t( E const& e ) : m_expr( e ) {}
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private:
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virtual assertion_result evaluate( bool no_message = false ) const { return m_expr.evaluate( no_message ); }
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E m_expr;
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};
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//____________________________________________________________________________//
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template<typename E>
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expression_holder_t<E>
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hold_expression( E const& e )
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{
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return expression_holder_t<E>( e );
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}
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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
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#endif // BOOST_TEST_TOOLS_DETAIL_EXPRESSION_HOLDER_HPP_012705GER
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