libstdc++-v3/testsuite/23_containers/set/cons/noexcept_default_construct.cc

   1 // Copyright (C) 2016-2018 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 <set>
  21
  22 using stype1 = std::set<int>;
  23 static_assert(std::is_nothrow_default_constructible<stype1>::value, "Error");
  24
  25 struct cmp
  26 {
  27   cmp() { }
  28   bool operator()(int, int) const;
  29 };
  30
  31 using stype2 = std::set<int, cmp>;
  32 static_assert( !std::is_nothrow_default_constructible<stype2>::value, "Error");