1 2 // Copyright 2005-2009 Daniel James. 3 // Distributed under the Boost Software License, Version 1.0. (See accompanying 4 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) 5 6 #if !defined(BOOST_UNORDERED_TEST_HELPERS_CHECK_RETURN_TYPE_HEADER) 7 #define BOOST_UNORDERED_TEST_HELPERS_CHECK_RETURN_TYPE_HEADER 8 9 #include <boost/static_assert.hpp> 10 #include <boost/type_traits/is_same.hpp> 11 #include <boost/type_traits/is_convertible.hpp> 12 13 namespace test 14 { 15 template <class T1> 16 struct check_return_type 17 { 18 template <class T2> equalstest::check_return_type19 static void equals(T2) 20 { 21 BOOST_STATIC_ASSERT((boost::is_same<T1, T2>::value)); 22 } 23 24 template <class T2> equals_reftest::check_return_type25 static void equals_ref(T2&) 26 { 27 BOOST_STATIC_ASSERT((boost::is_same<T1, T2>::value)); 28 } 29 30 template <class T2> convertibletest::check_return_type31 static void convertible(T2) 32 { 33 BOOST_STATIC_ASSERT((boost::is_convertible<T2, T1>::value)); 34 } 35 }; 36 } 37 38 #endif 39