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// UNSUPPORTED: libcpp-has-no-threads
11
12// <thread>
13
14// class thread::id
15
16// id();
17
18#include <thread>
19#include <cassert>
20
21int main()
22{
23    std::thread::id id;
24    assert(id == std::thread::id());
25}
26