libstdc++-v3/testsuite/20_util/is_constructible/51185.cc

   1 // { dg-options "-std=gnu++11" }
   2 // { dg-do compile }
   3
   4 // Copyright (C) 2011-2015 Free Software Foundation, Inc.
   5 //
   6 // This file is part of the GNU ISO C++ Library.  This library is free
   7 // software; you can redistribute it and/or modify it under the
   8 // terms of the GNU General Public License as published by the
   9 // Free Software Foundation; either version 3, or (at your option)
  10 // any later version.
  11 //
  12 // This library is distributed in the hope that it will be useful,
  13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 // GNU General Public License for more details.
  16 //
  17 // You should have received a copy of the GNU General Public License along
  18 // with this library; see the file COPYING3.  If not see
  19 // <http://www.gnu.org/licenses/>.
  20
  21 #include <type_traits>
  22
  23 struct A { };
  24 struct B : A { };
  25
  26 // libstdc++/51185
  27 void f()
  28 {
  29   static_assert(!std::is_constructible<B &&, A>(), "");
  30   static_assert(!std::is_constructible<B const &&, A>(), "");
  31   static_assert(!std::is_constructible<B const &&, A const>(), "");
  32   static_assert(!std::is_constructible<B volatile &&, A>(), "");
  33   static_assert(!std::is_constructible<B volatile &&, A volatile>(), "");
  34   static_assert(!std::is_constructible<B const volatile &&, A>(), "");
  35   static_assert(!std::is_constructible<B const volatile &&, A const>(), "");
  36   static_assert(!std::is_constructible<B const volatile &&, A volatile>(), "");
  37   static_assert(!std::is_constructible<B const volatile &&,
  38                 A const volatile>(), "");
  39 }