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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 //     future_error(error_code __ec);  // exposition only
16 //     explicit future_error(future_errc _Ev) : __ec_(make_error_code(_Ev)) {} // C++17
17 
18 // const error_code& code() const throw();
19 
20 #include <future>
21 #include <cassert>
22 
23 #include "test_macros.h"
24 
main()25 int main()
26 {
27     {
28         std::error_code ec = std::make_error_code(std::future_errc::broken_promise);
29         std::future_error f(ec);
30         assert(f.code() == ec);
31     }
32     {
33         std::error_code ec = std::make_error_code(std::future_errc::future_already_retrieved);
34         std::future_error f(ec);
35         assert(f.code() == ec);
36     }
37     {
38         std::error_code ec = std::make_error_code(std::future_errc::promise_already_satisfied);
39         std::future_error f(ec);
40         assert(f.code() == ec);
41     }
42     {
43         std::error_code ec = std::make_error_code(std::future_errc::no_state);
44         std::future_error f(ec);
45         assert(f.code() == ec);
46     }
47 #if TEST_STD_VER > 14
48     {
49         std::future_error f(std::future_errc::broken_promise);
50         assert(f.code() == std::make_error_code(std::future_errc::broken_promise));
51     }
52     {
53         std::future_error f(std::future_errc::no_state);
54         assert(f.code() == std::make_error_code(std::future_errc::no_state));
55     }
56 #endif
57 }
58