1 # /* ************************************************************************** 2 # * * 3 # * (C) Copyright Edward Diener 2014. 4 # * Distributed under the Boost Software License, Version 1.0. (See 5 # * accompanying file LICENSE_1_0.txt or copy at 6 # * http://www.boost.org/LICENSE_1_0.txt) 7 # * * 8 # ************************************************************************** */ 9 # 10 # /* See http://www.boost.org for most recent version. */ 11 # 12 # include <boost/preprocessor/config/config.hpp> 13 # 14 #if (BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_STRICT()) || (BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_MSVC()) 15 16 # include <boost/preprocessor/facilities/empty.hpp> 17 # include <boost/preprocessor/facilities/is_empty.hpp> 18 # include <libs/preprocessor/test/test.h> 19 20 #define DATA 21 #define OBJECT OBJECT2 22 #define OBJECT2 23 #define FUNC(x) FUNC2(x) 24 #define FUNC2(x) 25 #define FUNC_GEN() () 26 #define FUNC_GEN2(x) () 27 #define FUNC_GEN3() (&) 28 #define FUNC_GEN4(x) (y) 29 #define FUNC_GEN5() (y,z) 30 #define FUNC_GEN6() anything 31 #define FUNC_GEN7(x) anything 32 #define FUNC_GEN8(x,y) (1,2,3) 33 #define FUNC_GEN9(x,y,z) anything 34 #define FUNC_GEN10(x) (y) data 35 #define NAME &name 36 #define ATUPLE (atuple) 37 #define ATUPLE_PLUS (atuple) data 38 39 # include <boost/preprocessor/variadic/has_opt.hpp> 40 41 #if defined(__cplusplus) && __cplusplus > 201703L && BOOST_PP_VARIADIC_HAS_OPT() 42 43 BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN) == 0 END 44 BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN2) == 0 END 45 BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN3) == 0 END 46 BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN4) == 0 END 47 BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN5) == 0 END 48 BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN8) == 0 END 49 BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN9) == 0 END 50 BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN10) == 0 END 51 52 #elif BOOST_PP_VARIADICS_MSVC /* Testing the VC++ variadic version */ 53 54 /* INCORRECT */ 55 56 BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN) == 1 END 57 BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN2) == 1 END 58 BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN3) == 1 END 59 BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN4) == 1 END 60 BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN5) == 1 END 61 BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN8) == 1 END 62 BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN10) == 1 END 63 64 /* CORRECT */ 65 66 BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN9) == 0 END 67 68 #else /* Testing the non-VC++ variadic version */ 69 70 /* CORRECT */ 71 72 BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN) == 0 END 73 BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN2) == 0 END 74 BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN3) == 0 END 75 BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN4) == 0 END 76 BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN5) == 0 END 77 BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN10) == 0 END 78 79 /* COMPILER ERROR */ 80 81 // BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN8) == 0 END 82 // BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN9) == 0 END 83 84 #endif 85 86 /* Testing the variadic version */ 87 88 /* CORRECT */ 89 90 BEGIN BOOST_PP_IS_EMPTY(BOOST_PP_EMPTY()) == 1 END 91 BEGIN BOOST_PP_IS_EMPTY(DATA BOOST_PP_EMPTY()) == 1 END 92 BEGIN BOOST_PP_IS_EMPTY(x BOOST_PP_EMPTY()) == 0 END 93 BEGIN BOOST_PP_IS_EMPTY(OBJECT BOOST_PP_EMPTY()) == 1 END 94 BEGIN BOOST_PP_IS_EMPTY(FUNC(z) BOOST_PP_EMPTY()) == 1 END 95 BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN6) == 0 END 96 BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN7) == 0 END 97 BEGIN BOOST_PP_IS_EMPTY(NAME) == 0 END 98 BEGIN BOOST_PP_IS_EMPTY(ATUPLE) == 0 END 99 BEGIN BOOST_PP_IS_EMPTY(ATUPLE_PLUS) == 0 END 100 101 #endif 102