25         std::stringstream ss;  in main()  local
26         ss.swap(ss0);  in main()
27         assert(ss.rdbuf() != 0);  in main()
28         assert(ss.good());  in main()
29         assert(ss.str() == " 123 456 ");  in main()
31         ss >> i;  in main()
33         ss >> i;  in main()
35         ss << i << ' ' << 123;  in main()
36         assert(ss.str() == "456 1236 ");  in main()
43         std::wstringstream ss;  in main()  local
44         ss.swap(ss0);  in main()
45         assert(ss.rdbuf() != 0);  in main()
46         assert(ss.good());  in main()
47         assert(ss.str() == L" 123 456 ");  in main()
49         ss >> i;  in main()
51         ss >> i;  in main()
53         ss << i << ' ' << 123;  in main()
54         assert(ss.str() == L"456 1236 ");  in main()