218 struct MoveOnly {  struct
223   explicit MoveOnly(int val) : val(val) {  in MoveOnly()  argument
225   MoveOnly(MoveOnly&& other) {  in MoveOnly()  function
229   MoveOnly &operator=(MoveOnly&& other) {  in operator =()  argument
234   ~MoveOnly() {  in ~MoveOnly()  argument
244 unsigned MoveOnly::MoveConstructions = 0;
245 unsigned MoveOnly::Destructions = 0;
246 unsigned MoveOnly::MoveAssignments = 0;
249   MoveOnly::ResetCounts();  in TEST_F()
250   Optional<MoveOnly> O;  in TEST_F()
251   EXPECT_EQ(0u, MoveOnly::MoveConstructions);  in TEST_F()
252   EXPECT_EQ(0u, MoveOnly::MoveAssignments);  in TEST_F()
253   EXPECT_EQ(0u, MoveOnly::Destructions);  in TEST_F()
257   MoveOnly::ResetCounts();  in TEST_F()
258   Optional<MoveOnly> O(MoveOnly(3));  in TEST_F()
261   EXPECT_EQ(1u, MoveOnly::MoveConstructions);  in TEST_F()
262   EXPECT_EQ(0u, MoveOnly::MoveAssignments);  in TEST_F()
263   EXPECT_EQ(1u, MoveOnly::Destructions);  in TEST_F()
267   Optional<MoveOnly> A(MoveOnly(3));  in TEST_F()
268   MoveOnly::ResetCounts();  in TEST_F()
269   Optional<MoveOnly> B(std::move(A));  in TEST_F()
273   EXPECT_EQ(1u, MoveOnly::MoveConstructions);  in TEST_F()
274   EXPECT_EQ(0u, MoveOnly::MoveAssignments);  in TEST_F()
275   EXPECT_EQ(1u, MoveOnly::Destructions);  in TEST_F()
279   MoveOnly::ResetCounts();  in TEST_F()
280   Optional<MoveOnly> O;  in TEST_F()
281   O = MoveOnly(3);  in TEST_F()
284   EXPECT_EQ(1u, MoveOnly::MoveConstructions);  in TEST_F()
285   EXPECT_EQ(0u, MoveOnly::MoveAssignments);  in TEST_F()
286   EXPECT_EQ(1u, MoveOnly::Destructions);  in TEST_F()
290   Optional<MoveOnly> A(MoveOnly(3));  in TEST_F()
291   Optional<MoveOnly> B;  in TEST_F()
292   MoveOnly::ResetCounts();  in TEST_F()
297   EXPECT_EQ(1u, MoveOnly::MoveConstructions);  in TEST_F()
298   EXPECT_EQ(0u, MoveOnly::MoveAssignments);  in TEST_F()
299   EXPECT_EQ(1u, MoveOnly::Destructions);  in TEST_F()
303   Optional<MoveOnly> A;  in TEST_F()
304   Optional<MoveOnly> B(MoveOnly(3));  in TEST_F()
305   MoveOnly::ResetCounts();  in TEST_F()
309   EXPECT_EQ(0u, MoveOnly::MoveConstructions);  in TEST_F()
310   EXPECT_EQ(0u, MoveOnly::MoveAssignments);  in TEST_F()
311   EXPECT_EQ(1u, MoveOnly::Destructions);  in TEST_F()
315   Optional<MoveOnly> A(MoveOnly(3));  in TEST_F()
316   Optional<MoveOnly> B(MoveOnly(4));  in TEST_F()
317   MoveOnly::ResetCounts();  in TEST_F()
322   EXPECT_EQ(0u, MoveOnly::MoveConstructions);  in TEST_F()
323   EXPECT_EQ(1u, MoveOnly::MoveAssignments);  in TEST_F()
324   EXPECT_EQ(1u, MoveOnly::Destructions);  in TEST_F()
362   Optional<MoveOnly> A;  in TEST_F()
364   MoveOnly::ResetCounts();  in TEST_F()
365   EXPECT_EQ(42, std::move(A).getValueOr(MoveOnly(42)).val);  in TEST_F()
366   EXPECT_EQ(1u, MoveOnly::MoveConstructions);  in TEST_F()
367   EXPECT_EQ(0u, MoveOnly::MoveAssignments);  in TEST_F()
368   EXPECT_EQ(2u, MoveOnly::Destructions);  in TEST_F()
370   A = MoveOnly(5);  in TEST_F()
371   MoveOnly::ResetCounts();  in TEST_F()
372   EXPECT_EQ(5, std::move(A).getValueOr(MoveOnly(42)).val);  in TEST_F()
373   EXPECT_EQ(1u, MoveOnly::MoveConstructions);  in TEST_F()
374   EXPECT_EQ(0u, MoveOnly::MoveAssignments);  in TEST_F()
375   EXPECT_EQ(2u, MoveOnly::Destructions);  in TEST_F()