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TemplateTests: fix compilation with ICC

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ICC in some cases fails on trailing return type with decltype

Closes #1748
This commit is contained in:
Jozef Grajciar
2019-10-18 11:38:00 +02:00
parent 1aa98c76ac
commit f2b23db6d1
2 changed files with 29 additions and 15 deletions
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36
include/internal/catch_preprocessor.hpp
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@@ -102,35 +102,49 @@
template<typename...> struct TypeList {};\
template<typename...Ts>\
constexpr auto get_wrapper() noexcept -> TypeList<Ts...> { return {}; }\
template<template<typename...> class...> struct TemplateTypeList{};\
template<template<typename...> class...Cs>\
constexpr auto get_wrapper() noexcept -> TemplateTypeList<Cs...> { return {}; }\
template<typename...>\
struct append;\
template<typename...>\
struct rewrap;\
template<template<typename...> class, typename...>\
struct create;\
template<template<typename...> class, typename>\
struct convert;\
\
template<template<typename...> class L1, typename...E1, template<typename...> class L2, typename...E2> \
constexpr auto append(L1<E1...>, L2<E2...>) noexcept -> L1<E1...,E2...> { return {}; }\
template<typename T> \
struct append<T> { using type = T; };\
template< template<typename...> class L1, typename...E1, template<typename...> class L2, typename...E2, typename...Rest>\
constexpr auto append(L1<E1...>, L2<E2...>, Rest...) noexcept -> decltype(append(L1<E1...,E2...>{}, Rest{}...)) { return {}; }\
struct append<L1<E1...>, L2<E2...>, Rest...> { using type = typename append<L1<E1...,E2...>, Rest...>::type; };\
template< template<typename...> class L1, typename...E1, typename...Rest>\
constexpr auto append(L1<E1...>, TypeList<mpl_::na>, Rest...) noexcept -> L1<E1...> { return {}; }\
struct append<L1<E1...>, TypeList<mpl_::na>, Rest...> { using type = L1<E1...>; };\
\
template< template<typename...> class Container, template<typename...> class List, typename...elems>\
constexpr auto rewrap(List<elems...>) noexcept -> TypeList<Container<elems...>> { return {}; }\
struct rewrap<TemplateTypeList<Container>, List<elems...>> { using type = TypeList<Container<elems...>>; };\
template< template<typename...> class Container, template<typename...> class List, class...Elems, typename...Elements>\
constexpr auto rewrap(List<Elems...>,Elements...) noexcept -> decltype(append(TypeList<Container<Elems...>>{}, rewrap<Container>(Elements{}...))) { return {}; }\
struct rewrap<TemplateTypeList<Container>, List<Elems...>, Elements...> { using type = typename append<TypeList<Container<Elems...>>, typename rewrap<TemplateTypeList<Container>, Elements...>::type>::type; };\
\
template<template <typename...> class Final, template< typename...> class...Containers, typename...Types>\
constexpr auto create(TypeList<Types...>) noexcept -> decltype(append(Final<>{}, rewrap<Containers>(Types{}...)...)) { return {}; }\
struct create<Final, TemplateTypeList<Containers...>, TypeList<Types...>> { using type = typename append<Final<>, typename rewrap<TemplateTypeList<Containers>, Types...>::type...>::type; };\
template<template <typename...> class Final, template <typename...> class List, typename...Ts>\
constexpr auto convert(const List<Ts...>& ) noexcept -> decltype(append(Final<>{},TypeList<Ts>{}...)) { return {}; }
struct convert<Final, List<Ts...>> { using type = typename append<Final<>,TypeList<Ts>...>::type; };
#define INTERNAL_CATCH_NTTP_1(signature, ...)\
template<INTERNAL_CATCH_REMOVE_PARENS(signature)> struct Nttp{};\
template<INTERNAL_CATCH_REMOVE_PARENS(signature)>\
constexpr auto get_wrapper() noexcept -> Nttp<__VA_ARGS__> { return {}; } \
template<template<INTERNAL_CATCH_REMOVE_PARENS(signature)> class...> struct NttpTemplateTypeList{};\
template<template<INTERNAL_CATCH_REMOVE_PARENS(signature)> class...Cs>\
constexpr auto get_wrapper() noexcept -> NttpTemplateTypeList<Cs...> { return {}; } \
\
template< template<INTERNAL_CATCH_REMOVE_PARENS(signature)> class Container, template<INTERNAL_CATCH_REMOVE_PARENS(signature)> class List, INTERNAL_CATCH_REMOVE_PARENS(signature)>\
constexpr auto rewrap(List<__VA_ARGS__>) noexcept -> TypeList<Container<__VA_ARGS__>> { return {}; }\
struct rewrap<NttpTemplateTypeList<Container>, List<__VA_ARGS__>> { using type = TypeList<Container<__VA_ARGS__>>; };\
template< template<INTERNAL_CATCH_REMOVE_PARENS(signature)> class Container, template<INTERNAL_CATCH_REMOVE_PARENS(signature)> class List, INTERNAL_CATCH_REMOVE_PARENS(signature), typename...Elements>\
constexpr auto rewrap(List<__VA_ARGS__>,Elements...elems) noexcept -> decltype(append(TypeList<Container<__VA_ARGS__>>{}, rewrap<Container>(elems...))) { return {}; }\
struct rewrap<NttpTemplateTypeList<Container>, List<__VA_ARGS__>, Elements...> { using type = typename append<TypeList<Container<__VA_ARGS__>>, typename rewrap<NttpTemplateTypeList<Container>, Elements...>::type>::type; };\
template<template <typename...> class Final, template<INTERNAL_CATCH_REMOVE_PARENS(signature)> class...Containers, typename...Types>\
constexpr auto create(TypeList<Types...>) noexcept -> decltype(append(Final<>{}, rewrap<Containers>(Types{}...)...)) { return {}; }
struct create<Final, NttpTemplateTypeList<Containers...>, TypeList<Types...>> { using type = typename append<Final<>, typename rewrap<NttpTemplateTypeList<Containers>, Types...>::type...>::type; };
#define INTERNAL_CATCH_DECLARE_SIG_TEST0(TestName)
#define INTERNAL_CATCH_DECLARE_SIG_TEST1(TestName, signature)\