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 // T5 setprecision(int n);
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::setprecision(10);
30         assert(is.precision() == 10);
31     }
32     {
33         testbuf<char> sb;
34         std::ostream os(&sb);
35         os << std::setprecision(10);
36         assert(os.precision() == 10);
37     }
38     {
39         testbuf<wchar_t> sb;
40         std::wistream is(&sb);
41         is >> std::setprecision(10);
42         assert(is.precision() == 10);
43     }
44     {
45         testbuf<wchar_t> sb;
46         std::wostream os(&sb);
47         os << std::setprecision(10);
48         assert(os.precision() == 10);
49     }
50 }
51