74 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-threads10// UNSUPPORTED: c++0311 12// <future>13 14// class promise<R>15 16// void promise::set_value(const R& r);17 18#include <future>19#include <cassert>20 21#include "test_macros.h"22 23struct A24{25 A() {}26 A(const A&) {27 TEST_THROW(10);28 }29};30 31int main(int, char**)32{33 {34 typedef int T;35 T i = 3;36 std::promise<T> p;37 std::future<T> f = p.get_future();38 p.set_value(i);39 ++i;40 assert(f.get() == 3);41#ifndef TEST_HAS_NO_EXCEPTIONS42 --i;43 try44 {45 p.set_value(i);46 assert(false);47 }48 catch (const std::future_error& e)49 {50 assert(e.code() == make_error_code(std::future_errc::promise_already_satisfied));51 }52#endif53 }54 {55 typedef A T;56 T i;57 std::promise<T> p;58 std::future<T> f = p.get_future();59#ifndef TEST_HAS_NO_EXCEPTIONS60 try61 {62 p.set_value(i);63 assert(false);64 }65 catch (int j)66 {67 assert(j == 10);68 }69#endif70 }71 72 return 0;73}74