libstdc++-v3/testsuite/20_util/is_nothrow_convertible/requirements/typedefs.cc

   1 // Copyright (C) 2018-2021 Free Software Foundation, Inc.
   2 //
   3 // This file is part of the GNU ISO C++ Library.  This library is free
   4 // software; you can redistribute it and/or modify it under the
   5 // terms of the GNU General Public License as published by the
   6 // Free Software Foundation; either version 3, or (at your option)
   7 // any later version.
   8 //
   9 // This library is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13 //
  14 // You should have received a copy of the GNU General Public License along
  15 // with this library; see the file COPYING3.  If not see
  16 // <http://www.gnu.org/licenses/>.
  17
  18 // { dg-options "-std=gnu++2a" }
  19 // { dg-do compile { target c++2a } }
  20
  21 // NB: This file is for testing type_traits with NO OTHER INCLUDES.
  22
  23 #include <type_traits>
  24
  25 void test01()
  26 {
  27   // Check for required typedefs
  28   typedef std::is_nothrow_convertible<int, int> test_type;
  29   typedef test_type::value_type               value_type;
  30   typedef test_type::type                     type;
  31   typedef test_type::type::value_type         type_value_type;
  32   typedef test_type::type::type               type_type;
  33 }