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: libcpp-has-no-threads 10 11 // <future> 12 13 // class future<R> 14 15 // future(const future&) = delete; 16 17 #include <future> 18 19 #include "test_macros.h" 20 21 int main(int, char**) 22 { 23 { 24 std::future<int> f0; 25 std::future<int> f = f0; // expected-error {{call to deleted constructor of 'std::future<int>'}} 26 } 27 { 28 std::future<int &> f0; 29 std::future<int &> f = f0; // expected-error {{call to deleted constructor of 'std::future<int &>'}} 30 } 31 { 32 std::future<void> f0; 33 std::future<void> f = f0; // expected-error {{call to deleted constructor of 'std::future<void>'}} 34 } 35 36 return 0; 37 } 38