53 lines · cpp
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-exception6//7//===----------------------------------------------------------------------===//8//9// UNSUPPORTED: no-exceptions10// UNSUPPORTED: no-threads11// UNSUPPORTED: c++0312 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 try32 {33 f.get();34 assert(false);35 }36 catch (int i)37 {38 assert(i == 3);39 }40 try41 {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