libstdc++-v3/testsuite/experimental/system_error/value.cc

   1 // { dg-do compile { target c++14 } }
   2
   3 // Copyright (C) 2014-2018 Free Software Foundation, Inc.
   4 //
   5 // This file is part of the GNU ISO C++ Library.  This library is free
   6 // software; you can redistribute it and/or modify it under the
   7 // terms of the GNU General Public License as published by the
   8 // Free Software Foundation; either version 3, or (at your option)
   9 // any later version.
  10
  11 // This library is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15
  16 // You should have received a copy of the GNU General Public License along
  17 // with this library; see the file COPYING3.  If not see
  18 // <http://www.gnu.org/licenses/>.
  19
  20 #include <experimental/system_error>
  21 #include <future>
  22 using std::is_error_code_enum;
  23 using std::is_error_condition_enum;
  24 using std::experimental::is_error_code_enum_v;
  25 using std::experimental::is_error_condition_enum_v;
  26
  27 // These tests are rather simple, the front-end tests already test
  28 // variable templates, and the library tests for the underlying
  29 // traits are more elaborate. These are just simple sanity tests.
  30
  31 static_assert(is_error_code_enum_v<std::future_errc>
  32               && is_error_code_enum<std::future_errc>::value, "");
  33
  34 static_assert(!is_error_code_enum_v<int>
  35               && !is_error_code_enum<int>::value, "");
  36
  37 static_assert(is_error_condition_enum_v<std::errc>
  38               && is_error_condition_enum<std::errc>::value, "");
  39
  40 static_assert(!is_error_condition_enum_v<int>
  41               && !is_error_condition_enum<int>::value, "");