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-no-exceptions
11 // UNSUPPORTED: libcpp-has-no-threads
12 // UNSUPPORTED: c++98, c++03
13 
14 // <future>
15 
16 // class promise<R>
17 
18 // void set_exception(exception_ptr p);
19 
20 #include <future>
21 #include <cassert>
22 
main()23 int main()
24 {
25     {
26         typedef int T;
27         std::promise<T> p;
28         std::future<T> f = p.get_future();
29         p.set_exception(std::make_exception_ptr(3));
30         try
31         {
32             f.get();
33             assert(false);
34         }
35         catch (int i)
36         {
37             assert(i == 3);
38         }
39         try
40         {
41             p.set_exception(std::make_exception_ptr(3));
42             assert(false);
43         }
44         catch (const std::future_error& e)
45         {
46             assert(e.code() == make_error_code(std::future_errc::promise_already_satisfied));
47         }
48     }
49 }
50