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 set_exception(exception_ptr p);
18
19#include <future>
20#include <cassert>
21
22#include "test_macros.h"
23
24int main(int, char**)
25{
26 {
27 typedef int T;
28 std::promise<T> p;
29 std::future<T> f = p.get_future();
30 p.set_exception(std::make_exception_ptr(3));
31 try
32 {
33 f.get();
34 assert(false);
35 }
36 catch (int i)
37 {
38 assert(i == 3);
39 }
40 try
41 {
42 p.set_exception(std::make_exception_ptr(3));
43 assert(false);
44 }
45 catch (const std::future_error& e)
46 {
47 assert(e.code() == make_error_code(std::future_errc::promise_already_satisfied));
48 }
49 }
50
51 return 0;
52}
53

source code of libcxx/test/std/thread/futures/futures.promise/set_exception.pass.cpp