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// UNSUPPORTED: c++98, c++03
12
13// <thread>
14
15// class thread
16
17// thread& operator=(thread&& t);
18
19#include <thread>
20#include <exception>
21#include <cstdlib>
22#include <cassert>
23
24class G
25{
26    int alive_;
27public:
28    static int n_alive;
29    static bool op_run;
30
31    G() : alive_(1) {++n_alive;}
32    G(const G& g) : alive_(g.alive_) {++n_alive;}
33    ~G() {alive_ = 0; --n_alive;}
34
35
36
37    void operator()(int i, double j)
38    {
39        assert(alive_ == 1);
40        assert(n_alive >= 1);
41        assert(i == 5);
42        assert(j == 5.5);
43        op_run = true;
44    }
45};
46
47int G::n_alive = 0;
48bool G::op_run = false;
49
50void f1()
51{
52    std::_Exit(0);
53}
54
55int main()
56{
57    std::set_terminate(f1);
58    {
59        G g;
60        std::thread t0(g, 5, 5.5);
61        std::thread::id id = t0.get_id();
62        std::thread t1;
63        t0 = std::move(t1);
64        assert(false);
65    }
66}
67