47         std::istream is(&sb);  in main()  local
48         std::ws(is);  in main()
49         assert(is.good());  in main()
50         assert(is.peek() == '1');  in main()
55         std::wistream is(&sb);  in main()  local
56         std::ws(is);  in main()
57         assert(is.good());  in main()
58         assert(is.peek() == L'1');  in main()
63         std::istream is(&sb);  in main()  local
64         std::ws(is);  in main()
65         assert(!is.fail());  in main()
66         assert(is.eof());  in main()
67         std::ws(is);  in main()
68         assert(is.eof());  in main()
69         assert(is.fail());  in main()
74         std::wistream is(&sb);  in main()  local
75         std::ws(is);  in main()
76         assert(!is.fail());  in main()
77         assert(is.eof());  in main()
78         std::ws(is);  in main()
79         assert(is.eof());  in main()
80         assert(is.fail());  in main()
86         std::basic_istream<char> is(&sb);  in main()  local
87         is.exceptions(std::ios_base::eofbit);  in main()
91             std::ws(is);  in main()
96         assert(!is.bad());  in main()
97         assert(!is.fail());  in main()
98         assert( is.eof());  in main()
104         std::basic_istream<wchar_t> is(&sb);  in main()  local
105         is.exceptions(std::ios_base::eofbit);  in main()
109             std::ws(is);  in main()
114         assert(!is.bad());  in main()
115         assert(!is.fail());  in main()
116         assert( is.eof());  in main()