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 
11 // <thread>
12 
13 // class thread::id
14 
15 // bool operator==(thread::id x, thread::id y);
16 // bool operator!=(thread::id x, thread::id y);
17 
18 #include <thread>
19 #include <cassert>
20 
21 int main(int, char**)
22 {
23     std::thread::id id0;
24     std::thread::id id1;
25     id1 = id0;
26     assert( (id1 == id0));
27     assert(!(id1 != id0));
28     id1 = std::this_thread::get_id();
29     assert(!(id1 == id0));
30     assert( (id1 != id0));
31 
32   return 0;
33 }
34