ceph/src/boost/libs/mpl/test/pop_front.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/pop_front.hpp>
  15 #include <boost/mpl/list.hpp>
  16 #include <boost/mpl/size.hpp>
  17 #include <boost/mpl/front.hpp>
  18 #include <boost/mpl/aux_/test.hpp>
  19
  20 MPL_TEST_CASE()
  21 {
  22     typedef list<long>::type types1;
  23     typedef list<int,long>::type types2;
  24     typedef list<char,int,long>::type types3;
  25
  26     typedef pop_front<types1>::type result1;
  27     typedef pop_front<types2>::type result2;
  28     typedef pop_front<types3>::type result3;
  29
  30     MPL_ASSERT_RELATION( size<result1>::value, ==, 0 );
  31     MPL_ASSERT_RELATION( size<result2>::value, ==, 1 );
  32     MPL_ASSERT_RELATION( size<result3>::value, ==, 2 );
  33
  34     MPL_ASSERT(( is_same< front<result2>::type, long > ));
  35     MPL_ASSERT(( is_same< front<result3>::type, int > ));
  36 }