ceph/src/boost/libs/core/test/swap/std_typeinfo_ptr.cpp

   1 // Copyright (c) 2008 Joseph Gauterin, Niels Dekker
   2 //
   3 // Distributed under the Boost Software License, Version 1.0.
   4 // (See accompanying file LICENSE_1_0.txt or copy at
   5 // http://www.boost.org/LICENSE_1_0.txt)
   6
   7 // Tests swapping std::type_info pointers by means of boost::swap.
   8 // There is no std::swap overload or template specialization
   9 // for std::type_info pointers.
  10
  11 #include <boost/utility/swap.hpp>
  12 #include <boost/core/lightweight_test.hpp>
  13 #define BOOST_CHECK BOOST_TEST
  14 #define BOOST_CHECK_EQUAL BOOST_TEST_EQ
  15
  16 #include <typeinfo>
  17
  18 int main()
  19 {
  20   const std::type_info * const initial_value1 = 0;
  21   const std::type_info * const initial_value2 = &typeid(double);
  22
  23   const std::type_info * ptr1 = initial_value1;
  24   const std::type_info * ptr2 = initial_value2;
  25
  26   boost::swap(ptr1,ptr2);
  27
  28   BOOST_CHECK_EQUAL(ptr1,initial_value2);
  29   BOOST_CHECK_EQUAL(ptr2,initial_value1);
  30
  31   return boost::report_errors();
  32 }
  33