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 // id& operator=(const id&) = default;
16 
17 #include <thread>
18 #include <cassert>
19 
20 int main(int, char**)
21 {
22     std::thread::id id0;
23     std::thread::id id1;
24     id1 = id0;
25     assert(id1 == id0);
26     id1 = std::this_thread::get_id();
27     assert(id1 != id0);
28 
29   return 0;
30 }
31