1
2 // (C) Copyright Edward Diener 2011-2015
3 // Use, modification and distribution are subject to the Boost Software License,
4 // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
5 // http://www.boost.org/LICENSE_1_0.txt).
6
7 #include <boost/vmd/assert_is_tuple.hpp>
8 #include <boost/preprocessor/cat.hpp>
9 #include <boost/preprocessor/comparison/greater.hpp>
10 #include <boost/preprocessor/control/iif.hpp>
11 #include <boost/preprocessor/tuple/size.hpp>
12 #include <boost/detail/lightweight_test.hpp>
13
main()14 int main()
15 {
16
17 #if BOOST_PP_VARIADICS
18
19 #if BOOST_VMD_MSVC
20
21 #define AMACRO(atuple) \
22 BOOST_PP_CAT \
23 ( \
24 BOOST_VMD_ASSERT_IS_TUPLE(atuple), \
25 BOOST_PP_IIF(BOOST_PP_GREATER(BOOST_PP_TUPLE_SIZE(atuple), 2),1,0) \
26 )
27
28 #else
29
30 #define AMACRO(atuple) \
31 BOOST_VMD_ASSERT_IS_TUPLE(atuple) \
32 BOOST_PP_IIF(BOOST_PP_GREATER(BOOST_PP_TUPLE_SIZE(atuple), 2),1,0)
33
34 #endif
35
36 BOOST_TEST(AMACRO((1,2,3)));
37 BOOST_TEST(!AMACRO((1,2)));
38
39 #else
40
41 BOOST_VMD_ASSERT(0)
42
43 #endif
44
45 return boost::report_errors();
46
47 }
48