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: libcpp-has-no-threads
10 // UNSUPPORTED: libcpp-has-no-localization
11 
12 // <thread>
13 
14 // class thread::id
15 
16 // template<class charT, class traits>
17 // basic_ostream<charT, traits>&
18 // operator<<(basic_ostream<charT, traits>& out, thread::id id);
19 
20 #include <thread>
21 #include <sstream>
22 #include <cassert>
23 
24 #include "test_macros.h"
25 
26 int main(int, char**)
27 {
28     std::thread::id id0 = std::this_thread::get_id();
29     std::ostringstream os;
30     os << id0;
31 
32   return 0;
33 }
34