front.cpp 690 B

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  1. // Copyright Aleksey Gurtovoy 2000-2004
  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. // See http://www.boost.org/libs/mpl for documentation.
  8. // $Id$
  9. // $Date$
  10. // $Revision$
  11. #include <boost/mpl/front.hpp>
  12. #include <boost/mpl/range_c.hpp>
  13. #include <boost/mpl/aux_/test.hpp>
  14. template< typename Seq, int value > struct front_test
  15. {
  16. typedef typename front<Seq>::type t;
  17. MPL_ASSERT_RELATION( t::value, ==, value );
  18. };
  19. MPL_TEST_CASE()
  20. {
  21. front_test< range_c<int,1,10>, 1 >();
  22. front_test< range_c<int,2,10>, 2 >();
  23. front_test< range_c<int,-1,0>, -1 >();
  24. }