ceph/src/boost/libs/bind/test/bind_and_or_test.cpp

   1 #include <boost/config.hpp>
   2
   3 #if defined(BOOST_MSVC)
   4 #pragma warning(disable: 4786)  // identifier truncated in debug info
   5 #pragma warning(disable: 4710)  // function not inlined
   6 #pragma warning(disable: 4711)  // function selected for automatic inline expansion
   7 #pragma warning(disable: 4514)  // unreferenced inline removed
   8 #endif
   9
  10 //
  11 //  bind_and_or_test.cpp - &&, || operators
  12 //
  13 //  Copyright (c) 2008 Peter Dimov
  14 //
  15 // Distributed under the Boost Software License, Version 1.0. (See
  16 // accompanying file LICENSE_1_0.txt or copy at
  17 // http://www.boost.org/LICENSE_1_0.txt)
  18 //
  19
  20 #include <boost/bind/bind.hpp>
  21 #include <boost/core/lightweight_test.hpp>
  22
  23 using namespace boost::placeholders;
  24
  25 //
  26
  27 bool f( bool x )
  28 {
  29     return x;
  30 }
  31
  32 bool g( bool x )
  33 {
  34     return !x;
  35 }
  36
  37 bool h()
  38 {
  39     BOOST_ERROR( "Short-circuit evaluation failure" );
  40     return false;
  41 }
  42
  43 template< class F, class A1, class A2, class R > void test( F f, A1 a1, A2 a2, R r )
  44 {
  45     BOOST_TEST( f( a1, a2 ) == r );
  46 }
  47
  48 int main()
  49 {
  50     // &&
  51
  52     test( boost::bind( f, true ) && boost::bind( g, true ), false, false, f( true ) && g( true ) );
  53     test( boost::bind( f, true ) && boost::bind( g, false ), false, false, f( true ) && g( false ) );
  54
  55     test( boost::bind( f, false ) && boost::bind( h ), false, false, f( false ) && h() );
  56
  57     test( boost::bind( f, _1 ) && boost::bind( g, _2 ), true, true, f( true ) && g( true ) );
  58     test( boost::bind( f, _1 ) && boost::bind( g, _2 ), true, false, f( true ) && g( false ) );
  59
  60     test( boost::bind( f, _1 ) && boost::bind( h ), false, false, f( false ) && h() );
  61
  62     // ||
  63
  64     test( boost::bind( f, false ) || boost::bind( g, true ), false, false, f( false ) || g( true ) );
  65     test( boost::bind( f, false ) || boost::bind( g, false ), false, false, f( false ) || g( false ) );
  66
  67     test( boost::bind( f, true ) || boost::bind( h ), false, false, f( true ) || h() );
  68
  69     test( boost::bind( f, _1 ) || boost::bind( g, _2 ), false, true, f( false ) || g( true ) );
  70     test( boost::bind( f, _1 ) || boost::bind( g, _2 ), false, false, f( false ) || g( false ) );
  71
  72     test( boost::bind( f, _1 ) || boost::bind( h ), true, false, f( true ) || h() );
  73
  74     //
  75
  76     return boost::report_errors();
  77 }