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
15
16// thread(thread&& t);
17
18#include <thread>
19#include <new>
20#include <cstdlib>
21#include <cassert>
22
23class G
24{
25    int alive_;
26public:
27    static int n_alive;
28    static bool op_run;
29
30    G() : alive_(1) {++n_alive;}
31    G(const G& g) : alive_(g.alive_) {++n_alive;}
32    ~G() {alive_ = 0; --n_alive;}
33
34    void operator()()
35    {
36        assert(alive_ == 1);
37        assert(n_alive >= 1);
38        op_run = true;
39    }
40
41    void operator()(int i, double j)
42    {
43        assert(alive_ == 1);
44        assert(n_alive >= 1);
45        assert(i == 5);
46        assert(j == 5.5);
47        op_run = true;
48    }
49};
50
51int G::n_alive = 0;
52bool G::op_run = false;
53
54int main()
55{
56#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
57    {
58        G g;
59        assert(G::n_alive == 1);
60        assert(!G::op_run);
61        std::thread t0(g, 5, 5.5);
62        std::thread::id id = t0.get_id();
63        std::thread t1 = std::move(t0);
64        assert(t1.get_id() == id);
65        assert(t0.get_id() == std::thread::id());
66        t1.join();
67        assert(G::n_alive == 1);
68        assert(G::op_run);
69    }
70    assert(G::n_alive == 0);
71#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
72}
73