1 # /* ************************************************************************** 2 # * * 3 # * (C) Copyright Edward Diener 2019. 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 <libs/preprocessor/test/test.h> 13 # include <boost/preprocessor/variadic/has_opt.hpp> 14 15 # if BOOST_PP_VARIADIC_HAS_OPT() 16 17 # include <boost/preprocessor/facilities/empty.hpp> 18 # include <boost/preprocessor/facilities/va_opt.hpp> 19 # include <boost/preprocessor/variadic/elem.hpp> 20 21 #define DATA 22 #define OBJECT OBJECT2 23 #define OBJECT2 24 #define FUNC(x) FUNC2(x) 25 #define FUNC2(x) 26 #define FUNC_GEN() () 27 #define FUNC_GEN2(x) () 28 #define FUNC_GEN3() (&) 29 #define FUNC_GEN4(x) (y) 30 #define FUNC_GEN5() (y,z) 31 #define FUNC_GEN6() anything 32 #define FUNC_GEN7(x) anything 33 #define FUNC_GEN8(x,y) (1,2,3) 34 #define FUNC_GEN9(x,y,z) anything 35 #define FUNC_GEN10(x) (y) data 36 #define NAME &name 37 #define ATUPLE (atuple) 38 #define ATUPLE_PLUS (atuple) data 39 40 #define TRY_PASS_EMPTY_STD(...) BOOST_PP_VARIADIC_ELEM(0, __VA_OPT__ (0,) 1) 41 #define TRY_PASS_EMPTY_BOOST(...) BOOST_PP_VARIADIC_ELEM(0,BOOST_PP_VA_OPT((0),(1),__VA_ARGS__)) 42 43 BEGIN TRY_PASS_EMPTY_STD(FUNC_GEN) == 0 END 44 BEGIN TRY_PASS_EMPTY_BOOST(FUNC_GEN) == 0 END 45 BEGIN TRY_PASS_EMPTY_STD(FUNC_GEN2) == 0 END 46 BEGIN TRY_PASS_EMPTY_BOOST(FUNC_GEN2) == 0 END 47 BEGIN TRY_PASS_EMPTY_STD(FUNC_GEN3) == 0 END 48 BEGIN TRY_PASS_EMPTY_BOOST(FUNC_GEN3) == 0 END 49 BEGIN TRY_PASS_EMPTY_STD(FUNC_GEN4) == 0 END 50 BEGIN TRY_PASS_EMPTY_BOOST(FUNC_GEN4) == 0 END 51 BEGIN TRY_PASS_EMPTY_STD(FUNC_GEN5) == 0 END 52 BEGIN TRY_PASS_EMPTY_BOOST(FUNC_GEN5) == 0 END 53 BEGIN TRY_PASS_EMPTY_STD(FUNC_GEN8) == 0 END 54 BEGIN TRY_PASS_EMPTY_BOOST(FUNC_GEN8) == 0 END 55 BEGIN TRY_PASS_EMPTY_STD(FUNC_GEN9) == 0 END 56 BEGIN TRY_PASS_EMPTY_BOOST(FUNC_GEN9) == 0 END 57 BEGIN TRY_PASS_EMPTY_STD(FUNC_GEN10) == 0 END 58 BEGIN TRY_PASS_EMPTY_BOOST(FUNC_GEN10) == 0 END 59 BEGIN TRY_PASS_EMPTY_STD(BOOST_PP_EMPTY()) == 1 END 60 BEGIN TRY_PASS_EMPTY_BOOST(BOOST_PP_EMPTY()) == 1 END 61 BEGIN TRY_PASS_EMPTY_STD(DATA BOOST_PP_EMPTY()) == 1 END 62 BEGIN TRY_PASS_EMPTY_BOOST(DATA BOOST_PP_EMPTY()) == 1 END 63 BEGIN TRY_PASS_EMPTY_STD() == 1 END 64 BEGIN TRY_PASS_EMPTY_BOOST() == 1 END 65 BEGIN TRY_PASS_EMPTY_STD(DATA) == 1 END 66 BEGIN TRY_PASS_EMPTY_BOOST(DATA) == 1 END 67 BEGIN TRY_PASS_EMPTY_STD(x BOOST_PP_EMPTY()) == 0 END 68 BEGIN TRY_PASS_EMPTY_BOOST(x BOOST_PP_EMPTY()) == 0 END 69 BEGIN TRY_PASS_EMPTY_STD(OBJECT BOOST_PP_EMPTY()) == 1 END 70 BEGIN TRY_PASS_EMPTY_BOOST(OBJECT BOOST_PP_EMPTY()) == 1 END 71 BEGIN TRY_PASS_EMPTY_STD(FUNC(z) BOOST_PP_EMPTY()) == 1 END 72 BEGIN TRY_PASS_EMPTY_BOOST(FUNC(z) BOOST_PP_EMPTY()) == 1 END 73 BEGIN TRY_PASS_EMPTY_STD(FUNC_GEN6) == 0 END 74 BEGIN TRY_PASS_EMPTY_BOOST(FUNC_GEN6) == 0 END 75 BEGIN TRY_PASS_EMPTY_STD(FUNC_GEN7) == 0 END 76 BEGIN TRY_PASS_EMPTY_BOOST(FUNC_GEN7) == 0 END 77 BEGIN TRY_PASS_EMPTY_STD(NAME) == 0 END 78 BEGIN TRY_PASS_EMPTY_BOOST(NAME) == 0 END 79 BEGIN TRY_PASS_EMPTY_STD(ATUPLE) == 0 END 80 BEGIN TRY_PASS_EMPTY_BOOST(ATUPLE) == 0 END 81 BEGIN TRY_PASS_EMPTY_STD(ATUPLE_PLUS) == 0 END 82 BEGIN TRY_PASS_EMPTY_BOOST(ATUPLE_PLUS) == 0 END 83 84 # else 85 86 BEGIN 1 == 1 END 87 88 # endif 89