1 //===----------------------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // UNSUPPORTED: libcpp-has-no-threads 11 12 // <future> 13 14 // class future<R> 15 16 // future(const future&) = delete; 17 18 #include <future> 19 20 #include "test_macros.h" 21 22 int main() 23 { 24 #if TEST_STD_VER >= 11 25 { 26 std::future<int> f0; 27 std::future<int> f = f0; // expected-error {{call to deleted constructor of 'std::future<int>'}} 28 } 29 { 30 std::future<int &> f0; 31 std::future<int &> f = f0; // expected-error {{call to deleted constructor of 'std::future<int &>'}} 32 } 33 { 34 std::future<void> f0; 35 std::future<void> f = f0; // expected-error {{call to deleted constructor of 'std::future<void>'}} 36 } 37 #else 38 { 39 std::future<int> f0; 40 std::future<int> f = f0; // expected-error {{calling a private constructor of class 'std::__1::future<int>'}} 41 } 42 { 43 std::future<int &> f0; 44 std::future<int &> f = f0; // expected-error {{calling a private constructor of class 'std::__1::future<int &>'}} 45 } 46 { 47 std::future<void> f0; 48 std::future<void> f = f0; // expected-error {{calling a private constructor of class 'std::__1::future<void>'}} 49 } 50 #endif 51 } 52