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 error_category 13 14// virtual bool equivalent(const error_code& code, int condition) const; 15 16#include <system_error> 17#include <cassert> 18 19int main() 20{ 21 const std::error_category& e_cat = std::generic_category(); 22 assert(e_cat.equivalent(std::error_code(5, e_cat), 5)); 23 assert(!e_cat.equivalent(std::error_code(5, e_cat), 6)); 24} 25