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 // LWG 2056 changed the values of future_errc, so if we're using new headers 13 // with an old library we'll get incorrect messages. 14 // 15 // XFAIL: with_system_cxx_lib=x86_64-apple-darwin11 16 // XFAIL: with_system_cxx_lib=x86_64-apple-darwin12 17 // XFAIL: with_system_cxx_lib=x86_64-apple-darwin13 18 19 // <future> 20 21 // class future_error 22 23 // const char* what() const throw(); 24 25 #include <future> 26 #include <cstring> 27 #include <cassert> 28 main()29int main() 30 { 31 { 32 std::future_error f(std::make_error_code(std::future_errc::broken_promise)); 33 assert(std::strcmp(f.what(), "The associated promise has been destructed prior " 34 "to the associated state becoming ready.") == 0); 35 } 36 { 37 std::future_error f(std::make_error_code(std::future_errc::future_already_retrieved)); 38 assert(std::strcmp(f.what(), "The future has already been retrieved from " 39 "the promise or packaged_task.") == 0); 40 } 41 { 42 std::future_error f(std::make_error_code(std::future_errc::promise_already_satisfied)); 43 assert(std::strcmp(f.what(), "The state of the promise has already been set.") == 0); 44 } 45 { 46 std::future_error f(std::make_error_code(std::future_errc::no_state)); 47 assert(std::strcmp(f.what(), "Operation not permitted on an object without " 48 "an associated state.") == 0); 49 } 50 } 51