82     int ih[] = {0, 1, 1};  in test()  local
83     const unsigned sh = sizeof(ih)/sizeof(ih[0]);  in test()
84     r = std::unique(Iter(ih), Iter(ih+sh));  in test()
85     assert(base(r) == ih + 2);  in test()
86     assert(ih[0] == 0);  in test()
87     assert(ih[1] == 1);  in test()
159     Ptr ih[3];  in test1()  local
160     ih[1].reset(&one);  in test1()
161     ih[2].reset(&one);  in test1()
162     const unsigned sh = sizeof(ih)/sizeof(ih[0]);  in test1()
163     r = std::unique(Iter(ih), Iter(ih+sh));  in test1()
164     assert(base(r) == ih + 2);  in test1()
165     assert(ih[0] == 0);  in test1()
166     assert(*ih[1] == 1);  in test1()