boost/libs/vmd/test/test_tuple_pop_back.cxx
2018-01-12 21:47:58 +01:00

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// (C) Copyright Edward Diener 2015
// Use, modification and distribution are subject to 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).
#include <boost/vmd/tuple/pop_back.hpp>
#include <boost/vmd/is_empty.hpp>
#include <boost/preprocessor/tuple/elem.hpp>
#include <boost/preprocessor/tuple/size.hpp>
#include <boost/detail/lightweight_test.hpp>
int main()
{
#if BOOST_PP_VARIADICS
#define A_TUPLE (1,2,3,4)
#define AN_SE_TUPLE (1)
BOOST_TEST_EQ(BOOST_PP_TUPLE_ELEM(2,BOOST_VMD_TUPLE_POP_BACK(A_TUPLE)),3);
BOOST_TEST_EQ(BOOST_PP_TUPLE_SIZE(BOOST_VMD_TUPLE_POP_BACK(A_TUPLE)),3);
BOOST_TEST(BOOST_VMD_IS_EMPTY(BOOST_VMD_TUPLE_POP_BACK(AN_SE_TUPLE)));
#else
BOOST_ERROR("No variadic macro support");
#endif
return boost::report_errors();
}