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 // <ios> 11 12 // class ios_base::failure 13 14 // explicit failure(const string& msg, const error_code& ec = io_errc::stream); 15 16 #include <ios> 17 #include <string> 18 #include <cassert> 19 20 int main() 21 { 22 { 23 std::string what_arg("io test message"); 24 std::ios_base::failure se(what_arg, make_error_code(std::errc::is_a_directory)); 25 assert(se.code() == std::make_error_code(std::errc::is_a_directory)); 26 std::string what_message(se.what()); 27 assert(what_message.find(what_arg) != std::string::npos); 28 assert(what_message.find("Is a directory") != std::string::npos); 29 } 30 { 31 std::string what_arg("io test message"); 32 std::ios_base::failure se(what_arg); 33 assert(se.code() == std::make_error_code(std::io_errc::stream)); 34 std::string what_message(se.what()); 35 assert(what_message.find(what_arg) != std::string::npos); 36 assert(what_message.find(std::iostream_category().message(static_cast<int> 37 (std::io_errc::stream))) != std::string::npos); 38 } 39 } 40
