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 // <future> 13 14 // const error_category& future_category(); 15 16 // virtual bool equivalent(const error_code& code, int condition) const; 17 18 #include <future> 19 #include <cassert> 20 21 int main() 22 { 23 const std::error_category& e_cat = std::future_category(); 24 assert(e_cat.equivalent(std::error_code(5, e_cat), 5)); 25 assert(!e_cat.equivalent(std::error_code(5, e_cat), 6)); 26 } 27