1 //===----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 // <ios>
10 
11 // class ios_base
12 
13 // streamsize precision(streamsize prec);
14 
15 #include <ios>
16 #include <cassert>
17 
18 #include "test_macros.h"
19 
20 class test
21     : public std::ios
22 {
23 public:
test()24     test()
25     {
26         init(0);
27     }
28 };
29 
main(int,char **)30 int main(int, char**)
31 {
32     test t;
33     assert(t.precision() == 6);
34     std::streamsize p = t.precision(10);
35     assert(p == 6);
36     assert(t.precision() == 10);
37 
38   return 0;
39 }
40