diff options
Diffstat (limited to 'googlemock')
| -rw-r--r-- | googlemock/include/gmock/gmock-function-mocker.h | 29 | ||||
| -rw-r--r-- | googlemock/test/gmock-function-mocker_test.cc | 7 |
2 files changed, 32 insertions, 4 deletions
diff --git a/googlemock/include/gmock/gmock-function-mocker.h b/googlemock/include/gmock/gmock-function-mocker.h index cc1535c8..684db139 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__) @@ -207,10 +214,24 @@ #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) \ diff --git a/googlemock/test/gmock-function-mocker_test.cc b/googlemock/test/gmock-function-mocker_test.cc index fbc5d5b2..55be70a8 100644 --- a/googlemock/test/gmock-function-mocker_test.cc +++ b/googlemock/test/gmock-function-mocker_test.cc @@ -101,6 +101,10 @@ class FooInterface { virtual int TypeWithComma(const std::map<int, std::string>& a_map) = 0; virtual int TypeWithTemplatedCopyCtor(const TemplatedCopyable<int>&) = 0; + virtual int (*ReturnsFunctionPointer1(int))(bool) = 0; + using fn_ptr = int (*)(bool); + virtual fn_ptr ReturnsFunctionPointer2(int) = 0; + #if GTEST_OS_WINDOWS STDMETHOD_(int, CTNullary)() = 0; STDMETHOD_(bool, CTUnary)(int x) = 0; @@ -159,6 +163,9 @@ class MockFoo : public FooInterface { MOCK_METHOD(int, TypeWithTemplatedCopyCtor, (const TemplatedCopyable<int>&)); // NOLINT + MOCK_METHOD(int (*)(bool), ReturnsFunctionPointer1, (int), ()); + MOCK_METHOD(fn_ptr, ReturnsFunctionPointer2, (int), ()); + #if GTEST_OS_WINDOWS MOCK_METHOD(int, CTNullary, (), (Calltype(STDMETHODCALLTYPE))); MOCK_METHOD(bool, CTUnary, (int), (Calltype(STDMETHODCALLTYPE))); |