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 // <future>
13 
14 // class future_error
15 
16 // const error_code& code() const throw();
17 
18 #include <future>
19 #include <cassert>
20 
main()21 int main()
22 {
23     {
24         std::error_code ec = std::make_error_code(std::future_errc::broken_promise);
25         std::future_error f(ec);
26         assert(f.code() == ec);
27     }
28     {
29         std::error_code ec = std::make_error_code(std::future_errc::future_already_retrieved);
30         std::future_error f(ec);
31         assert(f.code() == ec);
32     }
33     {
34         std::error_code ec = std::make_error_code(std::future_errc::promise_already_satisfied);
35         std::future_error f(ec);
36         assert(f.code() == ec);
37     }
38     {
39         std::error_code ec = std::make_error_code(std::future_errc::no_state);
40         std::future_error f(ec);
41         assert(f.code() == ec);
42     }
43 }
44