xref: /llvm-project/libcxx/test/std/thread/futures/futures.promise/set_exception_at_thread_exit.pass.cpp (revision a7f9895cc18995549c7facb96e72718da282a864)
1 //===----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 //
9 // UNSUPPORTED: no-exceptions
10 // UNSUPPORTED: no-threads
11 // UNSUPPORTED: c++03
12 
13 // <future>
14 
15 // class promise<R>
16 
17 // void promise::set_exception_at_thread_exit(exception_ptr p);
18 
19 #include <future>
20 #include <cassert>
21 
22 #include "make_test_thread.h"
23 #include "test_macros.h"
24 
func(std::promise<int> p)25 void func(std::promise<int> p)
26 {
27     p.set_exception_at_thread_exit(std::make_exception_ptr(3));
28 }
29 
main(int,char **)30 int main(int, char**)
31 {
32     {
33         typedef int T;
34         std::promise<T> p;
35         std::future<T> f = p.get_future();
36         support::make_test_thread(func, std::move(p)).detach();
37         try
38         {
39             f.get();
40             assert(false);
41         }
42         catch (int i)
43         {
44             assert(i == 3);
45         }
46     }
47 
48   return 0;
49 }
50