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Merge pull request #2533 from thejcannon:noexcept_spec

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PiperOrigin-RevId: 277924721
This commit is contained in:
vslashg 2019-11-01 16:02:05 -04:00
commit 057ee5063d
2 changed files with 51 additions and 20 deletions
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42
googlemock/include/gmock/gmock-function-mocker.h
View File

@ -58,16 +58,17 @@ using identity_t = T;
#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(...) \
@ -107,15 +108,14 @@ using identity_t = T;
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) \
@ -131,8 +131,7 @@ using identity_t = T;
::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( \
@ -154,9 +153,13 @@ using identity_t = T;
#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)
@ -187,7 +190,6 @@ using identity_t = T;
#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)

29
googlemock/test/gmock-function-mocker_test.cc
View File

@ -42,6 +42,8 @@
#include <map>
#include <string>
#include <type_traits>
#include "gmock/gmock.h"
#include "gtest/gtest.h"
@ -663,5 +665,32 @@ TEST(MockMethodMockFunctionTest, MockMethodSizeOverhead) {
EXPECT_EQ(sizeof(MockMethodSizes0), sizeof(MockMethodSizes4));
}
void hasTwoParams(int, int);
void MaybeThrows();
void DoesntThrow() noexcept;
struct MockMethodNoexceptSpecifier {
MOCK_METHOD(void, func1, (), (noexcept));
MOCK_METHOD(void, func2, (), (noexcept(true)));
MOCK_METHOD(void, func3, (), (noexcept(false)));
MOCK_METHOD(void, func4, (), (noexcept(noexcept(MaybeThrows()))));
MOCK_METHOD(void, func5, (), (noexcept(noexcept(DoesntThrow()))));
MOCK_METHOD(void, func6, (), (noexcept(noexcept(DoesntThrow())), const));
MOCK_METHOD(void, func7, (), (const, noexcept(noexcept(DoesntThrow()))));
// Put commas in the noexcept expression
MOCK_METHOD(void, func8, (), (noexcept(noexcept(hasTwoParams(1, 2))), const));
};
TEST(MockMethodMockFunctionTest, NoexceptSpecifierPreserved) {
EXPECT_TRUE(noexcept(std::declval<MockMethodNoexceptSpecifier>().func1()));
EXPECT_TRUE(noexcept(std::declval<MockMethodNoexceptSpecifier>().func2()));
EXPECT_FALSE(noexcept(std::declval<MockMethodNoexceptSpecifier>().func3()));
EXPECT_FALSE(noexcept(std::declval<MockMethodNoexceptSpecifier>().func4()));
EXPECT_TRUE(noexcept(std::declval<MockMethodNoexceptSpecifier>().func5()));
EXPECT_TRUE(noexcept(std::declval<MockMethodNoexceptSpecifier>().func6()));
EXPECT_TRUE(noexcept(std::declval<MockMethodNoexceptSpecifier>().func7()));
EXPECT_EQ(noexcept(std::declval<MockMethodNoexceptSpecifier>().func8()),
noexcept(hasTwoParams(1, 2)));
}
} // namespace gmock_function_mocker_test
} // namespace testing