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

111 lines
2.5 KiB
C++

// (C) Copyright Edward Diener 2011-2015
// 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/is_empty.hpp>
#include <boost/preprocessor/tuple/elem.hpp>
#include <boost/preprocessor/variadic/elem.hpp>
#include <boost/detail/lightweight_test.hpp>
int main()
{
#if BOOST_PP_VARIADICS
#define SMACRO() someoutput
#define EMACRO(x) otheroutput x
BOOST_TEST(!BOOST_VMD_IS_EMPTY(SMACRO()));
BOOST_TEST(!BOOST_VMD_IS_EMPTY(EMACRO(somedata)));
BOOST_TEST(!BOOST_VMD_IS_EMPTY(EMACRO()));
#define MMACRO(x,y,z) x y z
BOOST_TEST(!BOOST_VMD_IS_EMPTY(MMACRO(1,,2)));
#define VMACRO(x,...) x __VA_ARGS__
BOOST_TEST(!BOOST_VMD_IS_EMPTY(VMACRO(somedata,)));
BOOST_TEST(BOOST_VMD_IS_EMPTY(BOOST_PP_VARIADIC_ELEM(1,VMACRO(somedata,vdata1,,vdata3))));
#define TMACRO(x,atuple) x atuple
#if !BOOST_VMD_MSVC_V8
BOOST_TEST(!BOOST_VMD_IS_EMPTY(TMACRO(somedata,())));
#endif
BOOST_TEST(!BOOST_VMD_IS_EMPTY(TMACRO(somedata,(telem1,,telem2,teleem3))));
#define RMACRO(x,y,z)
BOOST_TEST(BOOST_VMD_IS_EMPTY(RMACRO(data1,data2,data3)));
#if !BOOST_VMD_MSVC_V8
#define TRETMACRO(x,y,z) ()
BOOST_TEST(BOOST_VMD_IS_EMPTY(BOOST_PP_TUPLE_ELEM(0,TRETMACRO(1,2,3))));
#endif
#define TRETMACRO1(x,y,z) (x,,y,,z)
BOOST_TEST(BOOST_VMD_IS_EMPTY(BOOST_PP_TUPLE_ELEM(3,TRETMACRO1(1,2,3))));
#define VRETMACRO(x,y,z) x,,y,,z
BOOST_TEST(BOOST_VMD_IS_EMPTY(BOOST_PP_VARIADIC_ELEM(3,VRETMACRO(1,2,3))));
#define FMACRO(x,y) any_output
BOOST_TEST(!BOOST_VMD_IS_EMPTY(FMACRO(arg1,arg2)));
BOOST_TEST(!BOOST_VMD_IS_EMPTY(someinput FMACRO(arg1,arg2)));
#if BOOST_VMD_MSVC
BOOST_TEST(!BOOST_VMD_IS_EMPTY(FMACRO(1)));
#endif
#if BOOST_VMD_MSVC
#define FMACRO1(parameter) FMACRO3 parameter()
#define FMACRO2() ()
#define FMACRO3() 1
int MSVC_number_one = FMACRO1(FMACRO2);
#endif
#define FMACRO4() ( any_number_of_tuple_elements )
#define FMACRO5(param) ( any_number_of_tuple_elements )
#if BOOST_VMD_MSVC
#define FMACRO6(param1,param2) ( any_number_of_tuple_elements )
BOOST_TEST(BOOST_VMD_IS_EMPTY(FMACRO4));
BOOST_TEST(BOOST_VMD_IS_EMPTY(FMACRO5));
BOOST_TEST(BOOST_VMD_IS_EMPTY(FMACRO6));
#else
BOOST_TEST(!BOOST_VMD_IS_EMPTY(FMACRO4));
BOOST_TEST(!BOOST_VMD_IS_EMPTY(FMACRO5));
#endif
#else
BOOST_ERROR("No variadic macro support");
#endif
return boost::report_errors();
}