AimRT/_deps/boost-src/libs/mpl/test/pop_front.cpp
2025-01-12 20:41:24 +08:00

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// Copyright Aleksey Gurtovoy 2000-2004
//
// Distributed under the Boost Software License,Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
// See http://www.boost.org/libs/mpl for documentation.
// $Id$
// $Date$
// $Revision$
#include <boost/mpl/pop_front.hpp>
#include <boost/mpl/list.hpp>
#include <boost/mpl/size.hpp>
#include <boost/mpl/front.hpp>
#include <boost/mpl/aux_/test.hpp>
MPL_TEST_CASE()
{
typedef list<long>::type types1;
typedef list<int,long>::type types2;
typedef list<char,int,long>::type types3;
typedef pop_front<types1>::type result1;
typedef pop_front<types2>::type result2;
typedef pop_front<types3>::type result3;
MPL_ASSERT_RELATION( size<result1>::value, ==, 0 );
MPL_ASSERT_RELATION( size<result2>::value, ==, 1 );
MPL_ASSERT_RELATION( size<result3>::value, ==, 2 );
MPL_ASSERT(( is_same< front<result2>::type, long > ));
MPL_ASSERT(( is_same< front<result3>::type, int > ));
}