1 2 #ifndef FRUIT_TESTS_META_COMMON_H 3 #define FRUIT_TESTS_META_COMMON_H 4 5 #define FRUIT_IN_META_TEST 1 6 7 #include <fruit/impl/injection_debug_errors.h> 8 #include <fruit/impl/injection_errors.h> 9 #include <fruit/impl/meta/basics.h> 10 #include <fruit/impl/meta/errors.h> 11 #include <fruit/impl/meta/immutable_map.h> 12 #include <fruit/impl/meta/set.h> 13 #include <fruit/impl/meta/vector.h> 14 15 using namespace std; 16 using namespace fruit; 17 using namespace fruit::impl; 18 using namespace fruit::impl::meta; 19 20 template <typename T, typename U> 21 struct DifferentError { 22 static_assert(AlwaysFalse<T>::value, "T and U are different, but should have been equal/equivalent."); 23 }; 24 25 template <typename T, typename U> 26 struct SameError { 27 static_assert(AlwaysFalse<T>::value, "T and U are equal/equivalent but should have been different."); 28 }; 29 30 struct DifferentErrorTag { 31 template <typename T, typename U> 32 using apply = DifferentError<T, U>; 33 }; 34 35 struct SameErrorTag { 36 template <typename T, typename U> 37 using apply = SameError<T, U>; 38 }; 39 40 template <typename... Types> 41 using ToSet = Vector<Types...>; 42 43 struct ConstructErrorWithoutUnwrapping { 44 template <typename ErrorTag, typename... Args> 45 struct apply { 46 using type = ConstructError(ErrorTag, Type<Args>...); 47 }; 48 }; 49 50 using True = Bool<true>; 51 using False = Bool<false>; 52 53 #undef Assert 54 55 #define Assert(...) static_assert(Eval<__VA_ARGS__>::value, "") 56 #define AssertNot(...) Assert(Not(__VA_ARGS__)) 57 #define AssertSame(...) \ 58 static_assert( \ 59 true || \ 60 sizeof( \ 61 typename CheckIfError<Eval<If(IsSame(__VA_ARGS__), True, \ 62 ConstructErrorWithoutUnwrapping(DifferentErrorTag, __VA_ARGS__))>>::type), \ 63 "") 64 #define AssertSameType(...) \ 65 static_assert( \ 66 true || sizeof(typename CheckIfError< \ 67 Eval<If(IsSame(__VA_ARGS__), True, ConstructError(DifferentErrorTag, __VA_ARGS__))>>::type), \ 68 "") 69 #define AssertSameSet(...) \ 70 static_assert( \ 71 true || sizeof(typename CheckIfError< \ 72 Eval<If(IsSameSet(__VA_ARGS__), True, ConstructError(DifferentErrorTag, __VA_ARGS__))>>::type), \ 73 "") 74 #define AssertSameProof(...) \ 75 static_assert(true || sizeof(typename CheckIfError<Eval<If(IsProofTreeEqualTo(__VA_ARGS__), True, \ 76 ConstructError(DifferentErrorTag, __VA_ARGS__))>>::type), \ 77 "") 78 #define AssertSameForest(...) \ 79 static_assert(true || sizeof(typename CheckIfError<Eval<CheckForestEqualTo(__VA_ARGS__)>>::type), "") 80 #define AssertNotSame(...) \ 81 static_assert( \ 82 true || \ 83 sizeof(typename CheckIfError<Eval<If(Not(IsSame(__VA_ARGS__)), True, \ 84 ConstructErrorWithoutUnwrapping(SameErrorTag, __VA_ARGS__))>>::type), \ 85 "") 86 #define AssertNotSameType(...) \ 87 static_assert( \ 88 true || sizeof(typename CheckIfError< \ 89 Eval<If(Not(IsSame(__VA_ARGS__)), True, ConstructError(SameErrorTag, __VA_ARGS__))>>::type), \ 90 "") 91 #define AssertNotSameProof(...) \ 92 static_assert(true || sizeof(typename CheckIfError<Eval<If(Not(IsProofTreeEqualTo(__VA_ARGS__)), True, \ 93 ConstructError(SameErrorTag, __VA_ARGS__))>>::type), \ 94 "") 95 #define AssertNotSameForest(...) \ 96 static_assert( \ 97 true || \ 98 sizeof(typename CheckIfError< \ 99 Eval<If(Not(IsForestEqualTo(__VA_ARGS__)), True, ConstructError(SameErrorTag, __VA_ARGS__))>>::type), \ 100 "") 101 102 #endif // FRUIT_TESTS_META_COMMON_H 103
