1 //===----------------------------------------------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 // 9 // UNSUPPORTED: libcpp-has-no-threads 10 11 // LWG 2056 changed the values of future_errc, so if we're using new headers 12 // with an old library we'll get incorrect messages. 13 // 14 // XFAIL: with_system_cxx_lib=macosx10.11 15 // XFAIL: with_system_cxx_lib=macosx10.10 16 // XFAIL: with_system_cxx_lib=macosx10.9 17 18 // <future> 19 20 // class future_error 21 22 // const char* what() const throw(); 23 24 #include <future> 25 #include <cstring> 26 #include <cassert> 27 28 #include "test_macros.h" 29 main(int,char **)30int main(int, char**) 31 { 32 { 33 std::future_error f(std::make_error_code(std::future_errc::broken_promise)); 34 LIBCPP_ASSERT(std::strcmp(f.what(), "The associated promise has been destructed prior " 35 "to the associated state becoming ready.") == 0); 36 } 37 { 38 std::future_error f(std::make_error_code(std::future_errc::future_already_retrieved)); 39 LIBCPP_ASSERT(std::strcmp(f.what(), "The future has already been retrieved from " 40 "the promise or packaged_task.") == 0); 41 } 42 { 43 std::future_error f(std::make_error_code(std::future_errc::promise_already_satisfied)); 44 LIBCPP_ASSERT(std::strcmp(f.what(), "The state of the promise has already been set.") == 0); 45 } 46 { 47 std::future_error f(std::make_error_code(std::future_errc::no_state)); 48 LIBCPP_ASSERT(std::strcmp(f.what(), "Operation not permitted on an object without " 49 "an associated state.") == 0); 50 } 51 52 return 0; 53 } 54