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 // <ios>
11 
12 // class ios_base
13 
14 // streamsize precision(streamsize prec);
15 
16 #include <ios>
17 #include <cassert>
18 
19 class test
20     : public std::ios
21 {
22 public:
test()23     test()
24     {
25         init(0);
26     }
27 };
28 
main()29 int main()
30 {
31     test t;
32     assert(t.precision() == 6);
33     std::streamsize p = t.precision(10);
34     assert(p == 6);
35     assert(t.precision() == 10);
36 }
37