31     std::fstream stream;  in main()  local
32     assert(!stream.is_open());  in main()
33     stream.open(p,  in main()
35     assert(stream.is_open());  in main()
37     stream << 3.25;  in main()
38     stream.seekg(0);  in main()
39     stream >> x;  in main()
46     std::wfstream stream;  in main()  local
47     assert(!stream.is_open());  in main()
48     stream.open(p,  in main()
50     assert(stream.is_open());  in main()
52     stream << 3.25;  in main()
53     stream.seekg(0);  in main()
54     stream >> x;  in main()