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 #if BOOST_PP_VARIADICS 40 41 # include <boost/preprocessor/variadic/has_opt.hpp> 42 43 #if defined(__cplusplus) && __cplusplus > 201703L && BOOST_PP_VARIADIC_HAS_OPT() 44 45 BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN) == 0 END 46 BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN2) == 0 END 47 BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN3) == 0 END 48 BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN4) == 0 END 49 BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN5) == 0 END 50 BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN8) == 0 END 51 BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN9) == 0 END 52 BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN10) == 0 END 53 54 #elif BOOST_PP_VARIADICS_MSVC /* Testing the VC++ variadic version */ 55 56 /* INCORRECT */ 57 58 BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN) == 1 END 59 BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN2) == 1 END 60 BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN3) == 1 END 61 BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN4) == 1 END 62 BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN5) == 1 END 63 BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN8) == 1 END 64 BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN10) == 1 END 65 66 /* CORRECT */ 67 68 BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN9) == 0 END 69 70 #else /* Testing the non-VC++ variadic version */ 71 72 /* CORRECT */ 73 74 BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN) == 0 END 75 BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN2) == 0 END 76 BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN3) == 0 END 77 BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN4) == 0 END 78 BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN5) == 0 END 79 BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN10) == 0 END 80 81 /* COMPILER ERROR */ 82 83 // BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN8) == 0 END 84 // BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN9) == 0 END 85 86 #endif 87 88 /* Testing the variadic version */ 89 90 /* CORRECT */ 91 92 BEGIN BOOST_PP_IS_EMPTY(BOOST_PP_EMPTY()) == 1 END 93 BEGIN BOOST_PP_IS_EMPTY(DATA BOOST_PP_EMPTY()) == 1 END 94 BEGIN BOOST_PP_IS_EMPTY(x BOOST_PP_EMPTY()) == 0 END 95 BEGIN BOOST_PP_IS_EMPTY(OBJECT BOOST_PP_EMPTY()) == 1 END 96 BEGIN BOOST_PP_IS_EMPTY(FUNC(z) BOOST_PP_EMPTY()) == 1 END 97 BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN6) == 0 END 98 BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN7) == 0 END 99 BEGIN BOOST_PP_IS_EMPTY(NAME) == 0 END 100 BEGIN BOOST_PP_IS_EMPTY(ATUPLE) == 0 END 101 BEGIN BOOST_PP_IS_EMPTY(ATUPLE_PLUS) == 0 END 102 103 #else 104 105 #if BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_MSVC() /* Testing the VC++ non-variadic version */ 106 107 /* INCORRECT */ 108 109 BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN) == 1 END 110 BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN2) == 1 END 111 BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN3) == 1 END 112 BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN4) == 1 END 113 BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN5) == 1 END 114 BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN8) == 1 END 115 BEGIN BOOST_PP_IS_EMPTY(ATUPLE) == 1 END 116 BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN10) == 1 END 117 BEGIN BOOST_PP_IS_EMPTY(ATUPLE_PLUS) == 1 END 118 119 /* CORRECT */ 120 121 BEGIN BOOST_PP_IS_EMPTY(NAME) == 0 END 122 123 #else /* Testing the non-VC++ non-variadic version */ 124 125 /* CORRECT */ 126 127 BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN) == 0 END 128 BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN2) == 0 END 129 BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN3) == 0 END 130 BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN4) == 0 END 131 BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN5) == 0 END 132 BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN8) == 0 END 133 BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN10) == 0 END 134 135 /* UNDEFINED BEHAVIOR */ 136 137 // BEGIN BOOST_PP_IS_EMPTY(ATUPLE) == 0 END 138 // BEGIN BOOST_PP_IS_EMPTY(ATUPLE_PLUS) == 1 END 139 // BEGIN BOOST_PP_IS_EMPTY(NAME) == 0 END 140 141 #endif 142 143 /* Testing the non-variadic version */ 144 145 /* CORRECT */ 146 147 BEGIN BOOST_PP_IS_EMPTY(BOOST_PP_EMPTY()) == 1 END 148 BEGIN BOOST_PP_IS_EMPTY(DATA BOOST_PP_EMPTY()) == 1 END 149 BEGIN BOOST_PP_IS_EMPTY(x BOOST_PP_EMPTY()) == 0 END 150 BEGIN BOOST_PP_IS_EMPTY(OBJECT BOOST_PP_EMPTY()) == 1 END 151 BEGIN BOOST_PP_IS_EMPTY(FUNC(z) BOOST_PP_EMPTY()) == 1 END 152 BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN6) == 0 END 153 BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN7) == 0 END 154 BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN9) == 0 END 155 156 #endif 157 158 #endif 159