libcxx/test/std/thread/futures/futures.errors/default_error_condition.pass.cpp

   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: no-threads
  10
  11 // <future>
  12
  13 // const error_category& future_category();
  14
  15 // virtual error_condition default_error_condition(int ev) const;
  16
  17 #include <future>
  18 #include <cassert>
  19 #include <system_error>
  20
  21 #include "test_macros.h"
  22
  23 int main(int, char**)
  24 {
  25     const std::error_category& e_cat = std::future_category();
  26     std::error_condition e_cond = e_cat.default_error_condition(static_cast<int>(std::errc::not_a_directory));
  27     assert(e_cond.category() == e_cat);
  28     assert(e_cond.value() == static_cast<int>(std::errc::not_a_directory));
  29
  30   return 0;
  31 }