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Change ReturnArg to use perfect forwarding of arguments (#3733)

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PiperOrigin-RevId: 424355706
Change-Id: I618e5574b4b2c56a343905c20d8cc6d2a70cbcd1
This commit is contained in:
Dino Radakovic 2022-01-26 08:38:44 -08:00 committed by Copybara-Service
parent f45d5865ed
commit 0b7798b2fb
2 changed files with 9 additions and 3 deletions
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6
googlemock/include/gmock/gmock-actions.h
View File

@ -1079,9 +1079,9 @@ struct ReturnNewAction {
template <size_t k>
struct ReturnArgAction {
template <typename... Args>
auto operator()(const Args&... args) const ->
typename std::tuple_element<k, std::tuple<Args...>>::type {
return std::get<k>(std::tie(args...));
auto operator()(Args&&... args) const -> decltype(std::get<k>(
std::forward_as_tuple(std::forward<Args>(args)...))) {
return std::get<k>(std::forward_as_tuple(std::forward<Args>(args)...));
}
};

6
googlemock/test/gmock-more-actions_test.cc
View File

@ -462,6 +462,12 @@ TEST(ReturnArgActionTest, WorksForMultiArgStringArg2) {
EXPECT_EQ("seven", a.Perform(std::make_tuple(5, 6, std::string("seven"), 8)));
}
TEST(ReturnArgActionTest, WorksForNonConstRefArg0) {
const Action<std::string&(std::string&)> a = ReturnArg<0>();
std::string s = "12345";
EXPECT_EQ(&s, &a.Perform(std::forward_as_tuple(s)));
}
TEST(SaveArgActionTest, WorksForSameType) {
int result = 0;
const Action<void(int n)> a1 = SaveArg<0>(&result);