1 //===----------------------------------------------------------------------===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 // <thread>
11 
12 // class thread::id
13 
14 // bool operator==(thread::id x, thread::id y);
15 // bool operator!=(thread::id x, thread::id y);
16 
17 #include <thread>
18 #include <cassert>
19 
main()20 int main()
21 {
22     std::thread::id id0;
23     std::thread::id id1;
24     id1 = id0;
25     assert( (id1 == id0));
26     assert(!(id1 != id0));
27     id1 = std::this_thread::get_id();
28     assert(!(id1 == id0));
29     assert( (id1 != id0));
30 }
31