| 1 | // (C) Copyright Gennadiy Rozental 2001. |
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| 2 | // Distributed under the Boost Software License, Version 1.0. |
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| 3 | // (See accompanying file LICENSE_1_0.txt or copy at |
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| 4 | // http://www.boost.org/LICENSE_1_0.txt) |
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| 5 | |
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| 6 | // See http://www.boost.org/libs/test for the library home page. |
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| 7 | // |
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| 8 | //! @file |
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| 9 | //! Lexicographic comparison manipulator implementation |
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| 10 | // *************************************************************************** |
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| 11 | |
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| 12 | #ifndef BOOST_TEST_TOOLS_DETAIL_LEXICOGRAPHIC_MANIP_HPP_050815GER |
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| 13 | #define BOOST_TEST_TOOLS_DETAIL_LEXICOGRAPHIC_MANIP_HPP_050815GER |
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| 14 | |
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| 15 | // Boost Test |
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| 16 | #include <boost/test/tools/detail/fwd.hpp> |
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| 17 | #include <boost/test/tools/detail/indirections.hpp> |
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| 18 | |
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| 19 | #include <boost/test/tools/assertion.hpp> |
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| 20 | #include <boost/test/utils/lazy_ostream.hpp> |
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| 21 | #include <boost/test/tools/collection_comparison_op.hpp> |
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| 22 | |
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| 23 | #include <ostream> |
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| 24 | |
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| 25 | #include <boost/test/detail/suppress_warnings.hpp> |
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| 26 | |
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| 27 | //____________________________________________________________________________// |
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| 28 | |
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| 29 | namespace boost { |
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| 30 | namespace test_tools { |
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| 31 | |
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| 32 | // ************************************************************************** // |
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| 33 | // ************** per element comparison manipulator ************** // |
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| 34 | // ************************************************************************** // |
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| 35 | |
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| 36 | //! Lexicographic comparison manipulator, for containers |
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| 37 | //! This is a terminal that involves evaluation of the expression |
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| 38 | struct lexicographic {}; |
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| 39 | |
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| 40 | //____________________________________________________________________________// |
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| 41 | |
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| 42 | inline unit_test::lazy_ostream& |
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| 43 | operator<<( unit_test::lazy_ostream & o, lexicographic ) { return o; } |
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| 44 | |
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| 45 | // needed for the lazy evaluation in lazy_ostream as lexicographic is a terminal |
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| 46 | inline std::ostream& |
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| 47 | operator<<( std::ostream& o, lexicographic ) { return o; } |
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| 48 | |
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| 49 | //____________________________________________________________________________// |
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| 50 | |
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| 51 | namespace tt_detail { |
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| 52 | |
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| 53 | template<typename T1, typename T2, typename OP> |
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| 54 | inline assertion_result |
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| 55 | operator<<(assertion_evaluate_t<assertion::binary_expr<T1,T2,OP> > const& ae, lexicographic ) |
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| 56 | { |
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| 57 | typedef typename OP::elem_op elem_op; |
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| 58 | return assertion::op::lexicographic_compare<elem_op>( ae.m_e.lhs().value(), ae.m_e.rhs() ); |
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| 59 | } |
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| 60 | |
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| 61 | //____________________________________________________________________________// |
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| 62 | |
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| 63 | inline assertion_type |
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| 64 | operator<<( assertion_type const&, lexicographic ) |
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| 65 | { |
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| 66 | return assertion_type(CHECK_BUILT_ASSERTION); |
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| 67 | } |
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| 68 | |
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| 69 | //____________________________________________________________________________// |
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| 70 | |
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| 71 | } // namespace tt_detail |
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| 72 | } // namespace test_tools |
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| 73 | } // namespace boost |
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| 74 | |
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| 75 | #include <boost/test/detail/enable_warnings.hpp> |
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| 76 | |
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| 77 | #endif // BOOST_TEST_TOOLS_DETAIL_LEXICOGRAPHIC_MANIP_HPP_050815GER |
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| 78 | |
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