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Namespace our type traits in catch_meta

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Previously they could conflict with user-defined type traits that
were in the global namespace.

Fixes #1548
This commit is contained in:
Martin Hořeňovský
2019-02-23 21:06:16 +01:00
parent ef5fd8d42f
commit 29b3b7ae6b
10 changed files with 87 additions and 46 deletions
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64
include/internal/catch_meta.hpp
View File

@@ -11,65 +11,59 @@
#include <type_traits>
namespace Catch {
template< typename... >
struct TypeList{};
struct TypeList {};
template< typename... >
struct append;
template< template<typename...> class L1
, typename...E1
, template<typename...> class L2
, typename...E2
>
struct append< L1<E1...>, L2<E2...> >
{
using type = L1<E1..., E2...>;
, typename...E1
, template<typename...> class L2
, typename...E2
>
struct append< L1<E1...>, L2<E2...> > {
using type = L1<E1..., E2...>;
};
template< template<typename...> class L1
, typename...E1
, template<typename...> class L2
, typename...E2
, typename...Rest
>
struct append< L1<E1...>, L2<E2...>, Rest...>
{
using type = typename append< L1<E1..., E2...>, Rest... >::type;
, typename...E1
, template<typename...> class L2
, typename...E2
, typename...Rest
>
struct append< L1<E1...>, L2<E2...>, Rest...> {
using type = typename append< L1<E1..., E2...>, Rest... >::type;
};
template< template<typename...> class
, typename...
>
, typename...
>
struct rewrap;
template< template<typename...> class Container
, template<typename...> class List
, typename...elems
>
struct rewrap<Container, List<elems...>>
{
, template<typename...> class List
, typename...elems
>
struct rewrap<Container, List<elems...>> {
using type = TypeList< Container< elems... > >;
};
template< template<typename...> class Container
, template<typename...> class List
, class...Elems
, typename...Elements>
struct rewrap<Container, List<Elems...>, Elements...>
{
, template<typename...> class List
, class...Elems
, typename...Elements>
struct rewrap<Container, List<Elems...>, Elements...> {
using type = typename append<TypeList<Container<Elems...>>, typename rewrap<Container, Elements...>::type>::type;
};
template< template<typename...> class...Containers >
struct combine
{
struct combine {
template< typename...Types >
struct with_types
{
struct with_types {
template< template <typename...> class Final >
struct into
{
struct into {
using type = typename append<Final<>, typename rewrap<Containers, Types...>::type...>::type;
};
};
@@ -78,4 +72,6 @@ struct combine
template<typename T>
struct always_false : std::false_type {};
} // namespace Catch
#endif // TWOBLUECUBES_CATCH_META_HPP_INCLUDED

2
include/internal/catch_preprocessor.hpp
View File

@@ -81,7 +81,7 @@
#define INTERNAL_CATCH_TEMPLATE_UNIQUE_NAME(Name, ...) INTERNAL_CATCH_TEMPLATE_UNIQUE_NAME1(Name, INTERNAL_CATCH_EXPAND_VARGS(INTERNAL_CATCH_REMOVE_PARENS(__VA_ARGS__)))
#endif
#define INTERNAL_CATCH_MAKE_TYPE_LIST(types) TypeList<INTERNAL_CATCH_REMOVE_PARENS(types)>
#define INTERNAL_CATCH_MAKE_TYPE_LIST(types) Catch::TypeList<INTERNAL_CATCH_REMOVE_PARENS(types)>
#define INTERNAL_CATCH_MAKE_TYPE_LISTS_FROM_TYPES(types)\
CATCH_REC_LIST(INTERNAL_CATCH_MAKE_TYPE_LIST,INTERNAL_CATCH_REMOVE_PARENS(types))

4
include/internal/catch_test_registry.h
View File

@@ -168,7 +168,7 @@ struct AutoReg : NonCopyable {
} \
}; \
static int INTERNAL_CATCH_UNIQUE_NAME( globalRegistrar ) = [](){ \
using TestInit = combine<INTERNAL_CATCH_REMOVE_PARENS(TmplTypes)> \
using TestInit = Catch::combine<INTERNAL_CATCH_REMOVE_PARENS(TmplTypes)> \
::with_types<INTERNAL_CATCH_MAKE_TYPE_LISTS_FROM_TYPES(TypesList)>::into<TestName>::type; \
TestInit(); \
return 0; \
@@ -236,7 +236,7 @@ struct AutoReg : NonCopyable {
}\
};\
static int INTERNAL_CATCH_UNIQUE_NAME( globalRegistrar ) = [](){\
using TestInit = combine<INTERNAL_CATCH_REMOVE_PARENS(TmplTypes)>\
using TestInit = Catch::combine<INTERNAL_CATCH_REMOVE_PARENS(TmplTypes)>\
::with_types<INTERNAL_CATCH_MAKE_TYPE_LISTS_FROM_TYPES(TypesList)>::into<TestNameClass>::type;\
TestInit();\
return 0;\