ceph/src/boost/libs/mpl/test/aux_/template_arity.cpp

   1
   2 // Copyright Aleksey Gurtovoy 2000-2004
   3 //
   4 // Distributed under the Boost Software License, Version 1.0.
   5 // (See accompanying file LICENSE_1_0.txt or copy at
   6 // http://www.boost.org/LICENSE_1_0.txt)
   7 //
   8 // See http://www.boost.org/libs/mpl for documentation.
   9
  10 // $Id$
  11 // $Date$
  12 // $Revision$
  13
  14 #include <boost/mpl/aux_/template_arity.hpp>
  15 #include <boost/mpl/aux_/test.hpp>
  16
  17 #if defined(BOOST_EXTENDED_TEMPLATE_PARAMETERS_MATCHING)
  18
  19 struct my {};
  20 template< typename T1 > struct my1 {};
  21 template< typename T1, typename T2 = void > struct my2 {};
  22
  23 MPL_TEST_CASE()
  24 {
  25     MPL_ASSERT_RELATION( (aux::template_arity<my>::value), ==, -1 );
  26     MPL_ASSERT_RELATION( (aux::template_arity< my1<int> >::value), ==, 1 );
  27     MPL_ASSERT_RELATION( (aux::template_arity< my2<int,long> >::value), ==, 2 );
  28     MPL_ASSERT_RELATION( (aux::template_arity< my2<int> >::value), ==, 2 );
  29 }
  30
  31 #endif