ceph/src/boost/boost/test/tools/detail/indirections.hpp

   1 //  (C) Copyright Gennadiy Rozental 2001.
   2 //  Distributed under the Boost Software License, Version 1.0.
   3 //  (See accompanying file LICENSE_1_0.txt or copy at
   4 //  http://www.boost.org/LICENSE_1_0.txt)
   5
   6 //  See http://www.boost.org/libs/test for the library home page.
   7 //
   8 //  File        : $RCSfile$
   9 //
  10 //  Version     : $Revision: 74248 $
  11 //
  12 //  Description : inidiration interfaces to support manipulators and message output
  13 // ***************************************************************************
  14
  15 #ifndef BOOST_TEST_TOOLS_DETAIL_INDIRECTIONS_HPP_112812GER
  16 #define BOOST_TEST_TOOLS_DETAIL_INDIRECTIONS_HPP_112812GER
  17
  18 // Boost.Test
  19 #include <boost/test/tools/detail/fwd.hpp>
  20
  21 #include <boost/test/tools/assertion_result.hpp>
  22
  23 #include <boost/test/detail/suppress_warnings.hpp>
  24
  25 //____________________________________________________________________________//
  26
  27 namespace boost {
  28 namespace test_tools {
  29 namespace tt_detail {
  30
  31 // ************************************************************************** //
  32 // **************        assertion_evaluate indirection        ************** //
  33 // ************************************************************************** //
  34
  35 template<typename E>
  36 struct assertion_evaluate_t {
  37     assertion_evaluate_t( E const& e ) : m_e( e ) {}
  38     operator assertion_result() { return m_e.evaluate( true ); }
  39
  40     E const& m_e;
  41 };
  42
  43 //____________________________________________________________________________//
  44
  45 template<typename E>
  46 inline assertion_evaluate_t<E>
  47 assertion_evaluate( E const& e ) { return assertion_evaluate_t<E>( e ); }
  48
  49 //____________________________________________________________________________//
  50
  51 template<typename E, typename T>
  52 inline assertion_evaluate_t<E>
  53 operator<<( assertion_evaluate_t<E> const& ae, T const& ) { return ae; }
  54
  55 //____________________________________________________________________________//
  56
  57 // ************************************************************************** //
  58 // **************          assertion_text indirection          ************** //
  59 // ************************************************************************** //
  60
  61 template<typename T>
  62 inline unit_test::lazy_ostream const&
  63 assertion_text( unit_test::lazy_ostream const& /*et*/, T const& m ) { return m; }
  64
  65 //____________________________________________________________________________//
  66
  67 inline unit_test::lazy_ostream const&
  68 assertion_text( unit_test::lazy_ostream const& et, int ) { return et; }
  69
  70 //____________________________________________________________________________//
  71
  72 // ************************************************************************** //
  73 // **************        assertion_evaluate indirection        ************** //
  74 // ************************************************************************** //
  75
  76 struct assertion_type {
  77     operator check_type() { return CHECK_MSG; }
  78 };
  79
  80 //____________________________________________________________________________//
  81
  82 template<typename T>
  83 inline assertion_type
  84 operator<<( assertion_type const& at, T const& ) { return at; }
  85
  86 //____________________________________________________________________________//
  87
  88 } // namespace tt_detail
  89 } // namespace test_tools
  90 } // namespace boost
  91
  92 #include <boost/test/detail/enable_warnings.hpp>
  93
  94 #endif // BOOST_TEST_TOOLS_DETAIL_INDIRECTIONS_HPP_112812GER