390         Track(int& val) : mVal(val) {  in TEST()
391             ++mVal.get();  in TEST()
393         Track(std::initializer_list<int*> vals) : mVal(**vals.begin()) {  in TEST()
394             ++mVal.get();  in TEST()
396         Track(const Track& other) : mVal(other.mVal) {  in TEST()
397             ++mVal.get();  in TEST()
399         Track(Track&& other) : mVal(other.mVal) {  in TEST()
400             ++mVal.get();  in TEST()
403             --mVal.get();  in TEST()
404             mVal = other.mVal;  in TEST()
405             ++mVal.get();  in TEST()
409             --mVal.get();  in TEST()
410             mVal = other.mVal;  in TEST()
411             ++mVal.get();  in TEST()
416             --mVal.get();  in TEST()
419         std::reference_wrapper<int> mVal;  in TEST()  member