diff options
Diffstat (limited to 'googlemock/include/gmock/gmock-function-mocker.h')
| -rw-r--r-- | googlemock/include/gmock/gmock-function-mocker.h | 71 |
1 files changed, 47 insertions, 24 deletions
diff --git a/googlemock/include/gmock/gmock-function-mocker.h b/googlemock/include/gmock/gmock-function-mocker.h index cc1535c8..c5291412 100644 --- a/googlemock/include/gmock/gmock-function-mocker.h +++ b/googlemock/include/gmock/gmock-function-mocker.h @@ -39,6 +39,13 @@ #include "gmock/gmock-generated-function-mockers.h" // NOLINT #include "gmock/internal/gmock-pp.h" +namespace testing { +namespace internal { +template <typename T> +using identity_t = T; +} // namespace internal +} // namespace testing + #define MOCK_METHOD(...) \ GMOCK_PP_VARIADIC_CALL(GMOCK_INTERNAL_MOCK_METHOD_ARG_, __VA_ARGS__) @@ -51,16 +58,17 @@ #define GMOCK_INTERNAL_MOCK_METHOD_ARG_3(_Ret, _MethodName, _Args) \ GMOCK_INTERNAL_MOCK_METHOD_ARG_4(_Ret, _MethodName, _Args, ()) -#define GMOCK_INTERNAL_MOCK_METHOD_ARG_4(_Ret, _MethodName, _Args, _Spec) \ - GMOCK_INTERNAL_ASSERT_PARENTHESIS(_Args); \ - GMOCK_INTERNAL_ASSERT_PARENTHESIS(_Spec); \ - GMOCK_INTERNAL_ASSERT_VALID_SIGNATURE( \ - GMOCK_PP_NARG0 _Args, GMOCK_INTERNAL_SIGNATURE(_Ret, _Args)); \ - GMOCK_INTERNAL_ASSERT_VALID_SPEC(_Spec) \ - GMOCK_INTERNAL_MOCK_METHOD_IMPL( \ - GMOCK_PP_NARG0 _Args, _MethodName, GMOCK_INTERNAL_HAS_CONST(_Spec), \ - GMOCK_INTERNAL_HAS_OVERRIDE(_Spec), GMOCK_INTERNAL_HAS_FINAL(_Spec), \ - GMOCK_INTERNAL_HAS_NOEXCEPT(_Spec), GMOCK_INTERNAL_GET_CALLTYPE(_Spec), \ +#define GMOCK_INTERNAL_MOCK_METHOD_ARG_4(_Ret, _MethodName, _Args, _Spec) \ + GMOCK_INTERNAL_ASSERT_PARENTHESIS(_Args); \ + GMOCK_INTERNAL_ASSERT_PARENTHESIS(_Spec); \ + GMOCK_INTERNAL_ASSERT_VALID_SIGNATURE( \ + GMOCK_PP_NARG0 _Args, GMOCK_INTERNAL_SIGNATURE(_Ret, _Args)); \ + GMOCK_INTERNAL_ASSERT_VALID_SPEC(_Spec) \ + GMOCK_INTERNAL_MOCK_METHOD_IMPL( \ + GMOCK_PP_NARG0 _Args, _MethodName, GMOCK_INTERNAL_HAS_CONST(_Spec), \ + GMOCK_INTERNAL_HAS_OVERRIDE(_Spec), GMOCK_INTERNAL_HAS_FINAL(_Spec), \ + GMOCK_INTERNAL_GET_NOEXCEPT_SPEC(_Spec), \ + GMOCK_INTERNAL_GET_CALLTYPE(_Spec), \ (GMOCK_INTERNAL_SIGNATURE(_Ret, _Args))) #define GMOCK_INTERNAL_MOCK_METHOD_ARG_5(...) \ @@ -100,15 +108,14 @@ GMOCK_PP_FOR_EACH(GMOCK_INTERNAL_ASSERT_VALID_SPEC_ELEMENT, ~, _Spec) #define GMOCK_INTERNAL_MOCK_METHOD_IMPL(_N, _MethodName, _Constness, \ - _Override, _Final, _Noexcept, \ + _Override, _Final, _NoexceptSpec, \ _CallType, _Signature) \ typename ::testing::internal::Function<GMOCK_PP_REMOVE_PARENS( \ _Signature)>::Result \ GMOCK_INTERNAL_EXPAND(_CallType) \ _MethodName(GMOCK_PP_REPEAT(GMOCK_INTERNAL_PARAMETER, _Signature, _N)) \ - GMOCK_PP_IF(_Constness, const, ) GMOCK_PP_IF(_Noexcept, noexcept, ) \ - GMOCK_PP_IF(_Override, override, ) \ - GMOCK_PP_IF(_Final, final, ) { \ + GMOCK_PP_IF(_Constness, const, ) _NoexceptSpec \ + GMOCK_PP_IF(_Override, override, ) GMOCK_PP_IF(_Final, final, ) { \ GMOCK_MOCKER_(_N, _Constness, _MethodName) \ .SetOwnerAndName(this, #_MethodName); \ return GMOCK_MOCKER_(_N, _Constness, _MethodName) \ @@ -124,8 +131,7 @@ ::testing::MockSpec<GMOCK_PP_REMOVE_PARENS(_Signature)> gmock_##_MethodName( \ const ::testing::internal::WithoutMatchers&, \ GMOCK_PP_IF(_Constness, const, )::testing::internal::Function< \ - GMOCK_PP_REMOVE_PARENS(_Signature)>*) \ - const GMOCK_PP_IF(_Noexcept, noexcept, ) { \ + GMOCK_PP_REMOVE_PARENS(_Signature)>*) const _NoexceptSpec { \ return GMOCK_PP_CAT(::testing::internal::AdjustConstness_, \ GMOCK_PP_IF(_Constness, const, ))(this) \ ->gmock_##_MethodName(GMOCK_PP_REPEAT( \ @@ -147,9 +153,13 @@ #define GMOCK_INTERNAL_HAS_FINAL(_Tuple) \ GMOCK_PP_HAS_COMMA(GMOCK_PP_FOR_EACH(GMOCK_INTERNAL_DETECT_FINAL, ~, _Tuple)) -#define GMOCK_INTERNAL_HAS_NOEXCEPT(_Tuple) \ - GMOCK_PP_HAS_COMMA( \ - GMOCK_PP_FOR_EACH(GMOCK_INTERNAL_DETECT_NOEXCEPT, ~, _Tuple)) +#define GMOCK_INTERNAL_GET_NOEXCEPT_SPEC(_Tuple) \ + GMOCK_PP_FOR_EACH(GMOCK_INTERNAL_NOEXCEPT_SPEC_IF_NOEXCEPT, ~, _Tuple) + +#define GMOCK_INTERNAL_NOEXCEPT_SPEC_IF_NOEXCEPT(_i, _, _elem) \ + GMOCK_PP_IF( \ + GMOCK_PP_HAS_COMMA(GMOCK_INTERNAL_DETECT_NOEXCEPT(_i, _, _elem)), \ + _elem, ) #define GMOCK_INTERNAL_GET_CALLTYPE(_Tuple) \ GMOCK_PP_FOR_EACH(GMOCK_INTERNAL_GET_CALLTYPE_IMPL, ~, _Tuple) @@ -180,7 +190,6 @@ #define GMOCK_INTERNAL_DETECT_FINAL_I_final , -// TODO(iserna): Maybe noexcept should accept an argument here as well. #define GMOCK_INTERNAL_DETECT_NOEXCEPT(_i, _, _elem) \ GMOCK_PP_CAT(GMOCK_INTERNAL_DETECT_NOEXCEPT_I_, _elem) @@ -207,10 +216,24 @@ #define GMOCK_INTERNAL_IS_CALLTYPE_HELPER_Calltype -#define GMOCK_INTERNAL_SIGNATURE(_Ret, _Args) \ - GMOCK_PP_IF(GMOCK_PP_IS_BEGIN_PARENS(_Ret), GMOCK_PP_REMOVE_PARENS, \ - GMOCK_PP_IDENTITY) \ - (_Ret)(GMOCK_PP_FOR_EACH(GMOCK_INTERNAL_GET_TYPE, _, _Args)) +// Note: The use of `identity_t` here allows _Ret to represent return types that +// would normally need to be specified in a different way. For example, a method +// returning a function pointer must be written as +// +// fn_ptr_return_t (*method(method_args_t...))(fn_ptr_args_t...) +// +// But we only support placing the return type at the beginning. To handle this, +// we wrap all calls in identity_t, so that a declaration will be expanded to +// +// identity_t<fn_ptr_return_t (*)(fn_ptr_args_t...)> method(method_args_t...) +// +// This allows us to work around the syntactic oddities of function/method +// types. +#define GMOCK_INTERNAL_SIGNATURE(_Ret, _Args) \ + ::testing::internal::identity_t<GMOCK_PP_IF(GMOCK_PP_IS_BEGIN_PARENS(_Ret), \ + GMOCK_PP_REMOVE_PARENS, \ + GMOCK_PP_IDENTITY)(_Ret)>( \ + GMOCK_PP_FOR_EACH(GMOCK_INTERNAL_GET_TYPE, _, _Args)) #define GMOCK_INTERNAL_GET_TYPE(_i, _, _elem) \ GMOCK_PP_COMMA_IF(_i) \ |