195 struct ConstructorTracker {  struct
203   ConstructorTracker(T&& string) : string(string) {  in ConstructorTracker()  function
207   ConstructorTracker(const ConstructorTracker& ct) {  in ConstructorTracker()  function
211   ConstructorTracker(ConstructorTracker&& ct) noexcept {  in ConstructorTracker()  function
215   ConstructorTracker& operator=(const ConstructorTracker& ct) {  in operator =()  argument
220   ConstructorTracker& operator=(ConstructorTracker&& ct) noexcept {  in operator =()  argument
229 size_t ConstructorTracker::constructor_called = 0;
230 size_t ConstructorTracker::copy_constructor_called = 0;
231 size_t ConstructorTracker::move_constructor_called = 0;
232 size_t ConstructorTracker::copy_assignment_called = 0;
233 size_t ConstructorTracker::move_assignment_called = 0;
235 Result<ConstructorTracker> ReturnConstructorTracker(const std::string& in) {  in ReturnConstructorTracker()
240     return ConstructorTracker(in + in + "2");  in ReturnConstructorTracker()
242   ConstructorTracker result(in + " " + in);  in ReturnConstructorTracker()
259   EXPECT_EQ(1U, ConstructorTracker::constructor_called);  in TEST()
260   EXPECT_EQ(0U, ConstructorTracker::copy_constructor_called);  in TEST()
261   EXPECT_EQ(0U, ConstructorTracker::move_constructor_called);  in TEST()
262   EXPECT_EQ(0U, ConstructorTracker::copy_assignment_called);  in TEST()
263   EXPECT_EQ(0U, ConstructorTracker::move_assignment_called);  in TEST()
268   EXPECT_EQ(2U, ConstructorTracker::constructor_called);  in TEST()
269   EXPECT_EQ(0U, ConstructorTracker::copy_constructor_called);  in TEST()
270   EXPECT_EQ(1U, ConstructorTracker::move_constructor_called);  in TEST()
271   EXPECT_EQ(0U, ConstructorTracker::copy_assignment_called);  in TEST()
272   EXPECT_EQ(0U, ConstructorTracker::move_assignment_called);  in TEST()
277   EXPECT_EQ(3U, ConstructorTracker::constructor_called);  in TEST()
278   EXPECT_EQ(0U, ConstructorTracker::copy_constructor_called);  in TEST()
279   EXPECT_EQ(2U, ConstructorTracker::move_constructor_called);  in TEST()
280   EXPECT_EQ(0U, ConstructorTracker::copy_assignment_called);  in TEST()
281   EXPECT_EQ(0U, ConstructorTracker::move_assignment_called);  in TEST()