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 // UNSUPPORTED: c++98, c++03 12 13 // <future> 14 15 // class shared_future<R> 16 17 // shared_future(shared_future&& rhs); 18 19 #include <future> 20 #include <cassert> 21 22 int main() 23 { 24 { 25 typedef int T; 26 std::promise<T> p; 27 std::shared_future<T> f0 = p.get_future(); 28 std::shared_future<T> f = std::move(f0); 29 assert(!f0.valid()); 30 assert(f.valid()); 31 } 32 { 33 typedef int T; 34 std::shared_future<T> f0; 35 std::shared_future<T> f = std::move(f0); 36 assert(!f0.valid()); 37 assert(!f.valid()); 38 } 39 { 40 typedef int& T; 41 std::promise<T> p; 42 std::shared_future<T> f0 = p.get_future(); 43 std::shared_future<T> f = std::move(f0); 44 assert(!f0.valid()); 45 assert(f.valid()); 46 } 47 { 48 typedef int& T; 49 std::shared_future<T> f0; 50 std::shared_future<T> f = std::move(f0); 51 assert(!f0.valid()); 52 assert(!f.valid()); 53 } 54 { 55 typedef void T; 56 std::promise<T> p; 57 std::shared_future<T> f0 = p.get_future(); 58 std::shared_future<T> f = std::move(f0); 59 assert(!f0.valid()); 60 assert(f.valid()); 61 } 62 { 63 typedef void T; 64 std::shared_future<T> f0; 65 std::shared_future<T> f = std::move(f0); 66 assert(!f0.valid()); 67 assert(!f.valid()); 68 } 69 } 70
