xref: /llvm-project/libcxx/test/std/numerics/rand/rand.dist/rand.dist.bern/rand.dist.bern.geo/io.pass.cpp (revision a7f9895cc18995549c7facb96e72718da282a864)
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 // UNSUPPORTED: no-localization
10 
11 // <random>
12 
13 // template<class IntType = int>
14 // class geometric_distribution
15 
16 // template <class charT, class traits>
17 // basic_ostream<charT, traits>&
18 // operator<<(basic_ostream<charT, traits>& os,
19 //            const geometric_distribution& x);
20 //
21 // template <class charT, class traits>
22 // basic_istream<charT, traits>&
23 // operator>>(basic_istream<charT, traits>& is,
24 //            geometric_distribution& x);
25 
26 #include <random>
27 #include <sstream>
28 #include <cassert>
29 
30 #include "test_macros.h"
31 
main(int,char **)32 int main(int, char**)
33 {
34     {
35         typedef std::geometric_distribution<> D;
36         D d1(.25);
37         std::ostringstream os;
38         os << d1;
39         std::istringstream is(os.str());
40         D d2;
41         is >> d2;
42         assert(d1 == d2);
43     }
44 
45   return 0;
46 }
47