libstdc++-v3/testsuite/20_util/owner_less/noexcept.cc

   1 // Copyright (C) 2017-2020 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-do compile { target c++11 } }
  19
  20 #include <memory>
  21
  22 const std::shared_ptr<int> si;
  23 const std::weak_ptr<int> wi;
  24 const std::owner_less<std::shared_ptr<int>> osi;
  25 static_assert( noexcept(osi(si, si)), "" );
  26 static_assert( noexcept(osi(si, wi)), "" );
  27 static_assert( noexcept(osi(wi, si)), "" );
  28 const std::owner_less<std::weak_ptr<int>> owi;
  29 static_assert( noexcept(owi(wi, wi)), "" );
  30 static_assert( noexcept(owi(si, wi)), "" );
  31 static_assert( noexcept(owi(wi, si)), "" );
  32 const std::shared_ptr<long> sl;
  33 const std::weak_ptr<char> wc;
  34 const std::owner_less<void> ov;
  35 static_assert( noexcept(ov(si, si)), "" );
  36 static_assert( noexcept(ov(si, sl)), "" );
  37 static_assert( noexcept(ov(sl, si)), "" );
  38 static_assert( noexcept(ov(si, wc)), "" );
  39 static_assert( noexcept(ov(wc, si)), "" );
  40 static_assert( noexcept(ov(wc, wi)), "" );