1 //===----------------------------------------------------------------------===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 // <iomanip>
11 
12 // T3 setbase(int base);
13 
14 #include <iomanip>
15 #include <cassert>
16 
17 template <class CharT>
18 struct testbuf
19     : public std::basic_streambuf<CharT>
20 {
testbuftestbuf21     testbuf() {}
22 };
23 
main()24 int main()
25 {
26     {
27         testbuf<char> sb;
28         std::istream is(&sb);
29         is >> std::setbase(8);
30         assert((is.flags() & std::ios_base::basefield) == std::ios_base::oct);
31         is >> std::setbase(10);
32         assert((is.flags() & std::ios_base::basefield) == std::ios_base::dec);
33         is >> std::setbase(16);
34         assert((is.flags() & std::ios_base::basefield) == std::ios_base::hex);
35         is >> std::setbase(15);
36         assert((is.flags() & std::ios_base::basefield) == 0);
37     }
38     {
39         testbuf<char> sb;
40         std::ostream os(&sb);
41         os << std::setbase(8);
42         assert((os.flags() & std::ios_base::basefield) == std::ios_base::oct);
43         os << std::setbase(10);
44         assert((os.flags() & std::ios_base::basefield) == std::ios_base::dec);
45         os << std::setbase(16);
46         assert((os.flags() & std::ios_base::basefield) == std::ios_base::hex);
47         os << std::setbase(15);
48         assert((os.flags() & std::ios_base::basefield) == 0);
49     }
50     {
51         testbuf<wchar_t> sb;
52         std::wistream is(&sb);
53         is >> std::setbase(8);
54         assert((is.flags() & std::ios_base::basefield) == std::ios_base::oct);
55         is >> std::setbase(10);
56         assert((is.flags() & std::ios_base::basefield) == std::ios_base::dec);
57         is >> std::setbase(16);
58         assert((is.flags() & std::ios_base::basefield) == std::ios_base::hex);
59         is >> std::setbase(15);
60         assert((is.flags() & std::ios_base::basefield) == 0);
61     }
62     {
63         testbuf<wchar_t> sb;
64         std::wostream os(&sb);
65         os << std::setbase(8);
66         assert((os.flags() & std::ios_base::basefield) == std::ios_base::oct);
67         os << std::setbase(10);
68         assert((os.flags() & std::ios_base::basefield) == std::ios_base::dec);
69         os << std::setbase(16);
70         assert((os.flags() & std::ios_base::basefield) == std::ios_base::hex);
71         os << std::setbase(15);
72         assert((os.flags() & std::ios_base::basefield) == 0);
73     }
74 }
75