23         std::stringstream ss(" 123 456 ");  in main()  local
24         assert(ss.rdbuf() != 0);  in main()
25         assert(ss.good());  in main()
26         assert(ss.str() == " 123 456 ");  in main()
28         ss >> i;  in main()
30         ss >> i;  in main()
32         ss << i << ' ' << 123;  in main()
33         assert(ss.str() == "456 1236 ");  in main()
34         ss.str("5466 89 ");  in main()
35         ss >> i;  in main()
37         ss >> i;  in main()
39         ss << i << ' ' << 321;  in main()
40         assert(ss.str() == "89 3219 ");  in main()
43         std::wstringstream ss(L" 123 456 ");  in main()  local
44         assert(ss.rdbuf() != 0);  in main()
45         assert(ss.good());  in main()
46         assert(ss.str() == L" 123 456 ");  in main()
48         ss >> i;  in main()
50         ss >> i;  in main()
52         ss << i << ' ' << 123;  in main()
53         assert(ss.str() == L"456 1236 ");  in main()
54         ss.str(L"5466 89 ");  in main()
55         ss >> i;  in main()
57         ss >> i;  in main()
59         ss << i << ' ' << 321;  in main()
60         assert(ss.str() == L"89 3219 ");  in main()