35         std::stringstream ss(" 123 456 ");  in main()  local
36         assert(ss.rdbuf() != 0);  in main()
37         assert(ss.good());  in main()
38         assert(ss.str() == " 123 456 ");  in main()
40         ss >> i;  in main()
42         ss >> i;  in main()
44         ss << i << ' ' << 123;  in main()
45         assert(ss.str() == "456 1236 ");  in main()
49         std::wstringstream ss(L" 123 456 ");  in main()  local
50         assert(ss.rdbuf() != 0);  in main()
51         assert(ss.good());  in main()
52         assert(ss.str() == L" 123 456 ");  in main()
54         ss >> i;  in main()
56         ss >> i;  in main()
58         ss << i << ' ' << 123;  in main()
59         assert(ss.str() == L"456 1236 ");  in main()