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Add SaveArgByMove

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Allows capture of move-only argument types (e.g. AnyInvocable)

PiperOrigin-RevId: 725262899
Change-Id: Idcd46e333a42d99ff05d58a1bc57d8791f6d45a6
This commit is contained in:
Abseil Team
2025-02-10 10:22:27 -08:00
committed by Copybara-Service
parent a866428a78
commit 4a00a24fff
3 changed files with 58 additions and 11 deletions
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googlemock/test/gmock-more-actions_test.cc
+39 -10
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@@ -59,6 +59,7 @@ using testing::Invoke;
using testing::ReturnArg;
using testing::ReturnPointee;
using testing::SaveArg;
using testing::SaveArgByMove;
using testing::SaveArgPointee;
using testing::SetArgReferee;
using testing::Unused;
@@ -492,6 +493,34 @@ TEST(SaveArgActionTest, WorksForCompatibleType) {
EXPECT_EQ('a', result);
}
struct MoveOnly {
explicit MoveOnly(int v) : i(v) {}
MoveOnly(MoveOnly&& o) {
i = o.i;
o.i = -1;
}
MoveOnly& operator=(MoveOnly&& o) {
i = o.i;
o.i = -1;
return *this;
}
int i;
};
TEST(SaveArgByMoveActionTest, WorksForSameType) {
MoveOnly result{0};
const Action<void(MoveOnly v)> a1 = SaveArgByMove<0>(&result);
a1.Perform(std::make_tuple(MoveOnly{5}));
EXPECT_EQ(5, result.i);
}
TEST(SaveArgByMoveActionTest, WorksForCompatibleType) {
MoveOnly result{0};
const Action<void(bool, MoveOnly)> a1 = SaveArgByMove<1>(&result);
a1.Perform(std::make_tuple(true, MoveOnly{7}));
EXPECT_EQ(7, result.i);
}
TEST(SaveArgPointeeActionTest, WorksForSameType) {
int result = 0;
const int value = 5;
@@ -756,34 +785,34 @@ TEST(InvokeArgumentTest, Functor6) {
// Tests using InvokeArgument with a 7-ary function.
TEST(InvokeArgumentTest, Function7) {
Action<std::string(std::string(*)(const char*, const char*, const char*,
const char*, const char*, const char*,
const char*))>
Action<std::string(std::string (*)(const char*, const char*, const char*,
const char*, const char*, const char*,
const char*))>
a = InvokeArgument<0>("1", "2", "3", "4", "5", "6", "7");
EXPECT_EQ("1234567", a.Perform(std::make_tuple(&Concat7)));
}
// Tests using InvokeArgument with a 8-ary function.
TEST(InvokeArgumentTest, Function8) {
Action<std::string(std::string(*)(const char*, const char*, const char*,
const char*, const char*, const char*,
const char*, const char*))>
Action<std::string(std::string (*)(const char*, const char*, const char*,
const char*, const char*, const char*,
const char*, const char*))>
a = InvokeArgument<0>("1", "2", "3", "4", "5", "6", "7", "8");
EXPECT_EQ("12345678", a.Perform(std::make_tuple(&Concat8)));
}
// Tests using InvokeArgument with a 9-ary function.
TEST(InvokeArgumentTest, Function9) {
Action<std::string(std::string(*)(const char*, const char*, const char*,
const char*, const char*, const char*,
const char*, const char*, const char*))>
Action<std::string(std::string (*)(const char*, const char*, const char*,
const char*, const char*, const char*,
const char*, const char*, const char*))>
a = InvokeArgument<0>("1", "2", "3", "4", "5", "6", "7", "8", "9");
EXPECT_EQ("123456789", a.Perform(std::make_tuple(&Concat9)));
}
// Tests using InvokeArgument with a 10-ary function.
TEST(InvokeArgumentTest, Function10) {
Action<std::string(std::string(*)(
Action<std::string(std::string (*)(
const char*, const char*, const char*, const char*, const char*,
const char*, const char*, const char*, const char*, const char*))>
a = InvokeArgument<0>("1", "2", "3", "4", "5", "6", "7", "8", "9", "0");