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 // <ostream>
11 
12 // template <class charT, class traits = char_traits<charT> >
13 // class basic_ostream;
14 
15 // explicit basic_ostream(basic_streambuf<charT,traits>* sb);
16 
17 #include <ostream>
18 #include <cassert>
19 
20 template <class CharT>
21 struct testbuf
22     : public std::basic_streambuf<CharT>
23 {
testbuftestbuf24     testbuf() {}
25 };
26 
main()27 int main()
28 {
29     {
30         testbuf<char> sb;
31         std::basic_ostream<char> os(&sb);
32         assert(os.rdbuf() == &sb);
33         assert(os.tie() == 0);
34         assert(os.fill() == ' ');
35         assert(os.rdstate() == os.goodbit);
36         assert(os.exceptions() == os.goodbit);
37         assert(os.flags() == (os.skipws | os.dec));
38         assert(os.precision() == 6);
39         assert(os.getloc().name() == "C");
40     }
41     {
42         testbuf<wchar_t> sb;
43         std::basic_ostream<wchar_t> os(&sb);
44         assert(os.rdbuf() == &sb);
45         assert(os.tie() == 0);
46         assert(os.fill() == L' ');
47         assert(os.rdstate() == os.goodbit);
48         assert(os.exceptions() == os.goodbit);
49         assert(os.flags() == (os.skipws | os.dec));
50         assert(os.precision() == 6);
51         assert(os.getloc().name() == "C");
52     }
53 }
54