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-threads 10 // UNSUPPORTED: c++03 11 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 23 struct A 24 { AA25 A() {} AA26 A(const A&) { 27 TEST_THROW(10); 28 } 29 }; 30 main(int,char **)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_EXCEPTIONS 42 --i; 43 try 44 { 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 #endif 53 } 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_EXCEPTIONS 60 try 61 { 62 p.set_value(i); 63 assert(false); 64 } 65 catch (int j) 66 { 67 assert(j == 10); 68 } 69 #endif 70 } 71 72 return 0; 73 } 74