ceph/src/boost/libs/tti/test/test_has_type_ct_compile.cpp

   1
   2 //  (C) Copyright Edward Diener 2011
   3 //  Use, modification and distribution are subject to the Boost Software License,
   4 //  Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
   5 //  http://www.boost.org/LICENSE_1_0.txt).
   6
   7 #include "test_has_type.hpp"
   8 #include <boost/mpl/assert.hpp>
   9 #include <boost/mpl/placeholders.hpp>
  10 #include <boost/type_traits/is_same.hpp>
  11 using namespace boost::mpl::placeholders;
  12
  13 int main()
  14   {
  15
  16   // You can always instantiate without compiler errors
  17
  18   TheInteger<AType::BType,boost::is_same<short,_> > aVar;
  19   BOOST_TTI_HAS_TYPE_GEN(NoOtherType)<AnotherType,boost::is_same<double,_> > aVar2;
  20
  21   // Compile time asserts
  22
  23   BOOST_MPL_ASSERT((BOOST_TTI_HAS_TYPE_GEN(AnIntType)<AType,boost::is_same<int,_> >));
  24   BOOST_MPL_ASSERT((NameStruct<AType,boost::is_same<AType::AStructType,_> >));
  25   BOOST_MPL_ASSERT((BOOST_TTI_HAS_TYPE_GEN(AnIntTypeReference)<AType,boost::is_same<int &,_> >));
  26   BOOST_MPL_ASSERT((BOOST_TTI_HAS_TYPE_GEN(BType)<AType,boost::is_same<AType::BType,_> >));
  27   BOOST_MPL_ASSERT((TheInteger<AType::BType,boost::is_same<int,_> >));
  28   BOOST_MPL_ASSERT((BOOST_TTI_HAS_TYPE_GEN(CType)<AType::BType,boost::is_same<AType::BType::CType,_> >));
  29   BOOST_MPL_ASSERT((BOOST_TTI_HAS_TYPE_GEN(AnotherIntegerType)<AType::BType::CType,boost::is_same<int,_> >));
  30   BOOST_MPL_ASSERT((SomethingElse<AnotherType,boost::is_same<AType::AnIntType,_> >));
  31
  32   return 0;
  33
  34   }