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 // void set_exception(exception_ptr p); 17 18 #include <future> 19 #include <cassert> 20 21 int main() 22 { 23 { 24 typedef int T; 25 std::promise<T> p; 26 std::future<T> f = p.get_future(); 27 p.set_exception(std::make_exception_ptr(3)); 28 try 29 { 30 f.get(); 31 assert(false); 32 } 33 catch (int i) 34 { 35 assert(i == 3); 36 } 37 try 38 { 39 p.set_exception(std::make_exception_ptr(3)); 40 assert(false); 41 } 42 catch (const std::future_error& e) 43 { 44 assert(e.code() == make_error_code(std::future_errc::promise_already_satisfied)); 45 } 46 } 47 } 48