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 // <system_error> 11 12 // class system_error 13 14 // system_error(error_code ec, const char* what_arg); 15 16 // Test is slightly non-portable 17 18 #include <system_error> 19 #include <string> 20 #include <cassert> 21 22 int main() 23 { 24 std::string what_arg("test message"); 25 std::system_error se(make_error_code(std::errc::not_a_directory), what_arg.c_str()); 26 assert(se.code() == std::make_error_code(std::errc::not_a_directory)); 27 std::string what_message(se.what()); 28 assert(what_message.find(what_arg) != std::string::npos); 29 assert(what_message.find("Not a directory") != std::string::npos); 30 } 31