libs/vmd/test/test_doc_assert.cxx

   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
  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   }