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 promise<R> 15 16 // promise& operator=(const promise& rhs) = 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::promise<int> p0, p; 27 p = p0; // expected-error {{overload resolution selected deleted operator '='}} 28 } 29 { 30 std::promise<int&> p0, p; 31 p = p0; // expected-error {{overload resolution selected deleted operator '='}} 32 } 33 { 34 std::promise<void> p0, p; 35 p = p0; // expected-error {{overload resolution selected deleted operator '='}} 36 } 37 #else 38 { 39 std::promise<int> p0, p; 40 p = p0; // expected-error {{'operator=' is a private member of 'std::__1::promise<int>'}} 41 } 42 { 43 std::promise<int&> p0, p; 44 p = p0; // expected-error {{'operator=' is a private member of 'std::__1::promise<int &>'}} 45 } 46 { 47 std::promise<void> p0, p; 48 p = p0; // expected-error {{'operator=' is a private member of 'std::__1::promise<void>'}} 49 } 50 #endif 51 } 52
