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Googletest export

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Fix the ACTION* macros to allow for more than 10 arguments in the action.
Only the first 10 will be passed as individual arguments as `argN`, but the rest
can be accessed from the `args` tuple.

PiperOrigin-RevId: 311542098
This commit is contained in:
Abseil Team 2020-05-14 12:00:56 -04:00 committed by Derek Mauro
parent 011959aafd
commit 63713e1ce4
2 changed files with 25 additions and 3 deletions
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8
googlemock/include/gmock/gmock-actions.h
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@ -1335,15 +1335,17 @@ class ActionHelper {
public:
template <typename... Ts>
static Result Perform(Impl* impl, const std::tuple<Ts...>& args) {
return Apply(impl, args, MakeIndexSequence<sizeof...(Ts)>{},
MakeIndexSequence<10 - sizeof...(Ts)>{});
static constexpr size_t kMaxArgs = sizeof...(Ts) <= 10 ? sizeof...(Ts) : 10;
return Apply(impl, args, MakeIndexSequence<kMaxArgs>{},
MakeIndexSequence<10 - kMaxArgs>{});
}
private:
template <typename... Ts, std::size_t... tuple_ids, std::size_t... rest_ids>
static Result Apply(Impl* impl, const std::tuple<Ts...>& args,
IndexSequence<tuple_ids...>, IndexSequence<rest_ids...>) {
return impl->template gmock_PerformImpl<Ts...>(
return impl->template gmock_PerformImpl<
typename std::tuple_element<tuple_ids, std::tuple<Ts...>>::type...>(
args, std::get<tuple_ids>(args)...,
((void)rest_ids, ExcessiveArg())...);
}

20
googlemock/test/gmock-actions_test.cc
View File

@ -1550,6 +1550,26 @@ TEST(MoveOnlyArgumentsTest, ReturningActions) {
EXPECT_EQ(x, 3);
}
ACTION(ReturnArity) {
return std::tuple_size<args_type>::value;
}
TEST(ActionMacro, LargeArity) {
EXPECT_EQ(
1, testing::Action<int(int)>(ReturnArity()).Perform(std::make_tuple(0)));
EXPECT_EQ(
10,
testing::Action<int(int, int, int, int, int, int, int, int, int, int)>(
ReturnArity())
.Perform(std::make_tuple(0, 1, 2, 3, 4, 5, 6, 7, 8, 9)));
EXPECT_EQ(
20,
testing::Action<int(int, int, int, int, int, int, int, int, int, int, int,
int, int, int, int, int, int, int, int, int)>(
ReturnArity())
.Perform(std::make_tuple(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13,
14, 15, 16, 17, 18, 19)));
}
} // Unnamed namespace