libstdc++-v3/testsuite/20_util/pair/piecewise2.cc

   1 // { dg-do compile { target c++11 } }
   2
   3 // Copyright (C) 2011-2019 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 <utility>
  21 #include <tuple>
  22
  23 struct NoCon
  24 {
  25   NoCon() = delete;
  26   NoCon(const NoCon&) = delete;
  27 };
  28
  29 struct RefCheck1
  30 {
  31   RefCheck1(NoCon&, NoCon&&) { }
  32   RefCheck1() = delete;
  33   RefCheck1(const RefCheck1&) = delete;
  34 };
  35
  36 struct RefCheck2
  37 {
  38   RefCheck2(const NoCon&, const NoCon&&, NoCon&) { }
  39   RefCheck2() = delete;
  40   RefCheck2(const RefCheck2&) = delete;
  41 };
  42
  43 struct Default
  44 {
  45   Default();
  46   Default(const Default&) = delete;
  47 };
  48
  49 // libstdc++/51183
  50 void test01(std::tuple<NoCon&, NoCon&&> t1,
  51             std::tuple<NoCon&, NoCon&&, NoCon&> t2)
  52 {
  53   std::pair<RefCheck1, RefCheck2>(std::piecewise_construct,
  54                                   std::move(t1), std::move(t2));
  55 }
  56
  57 void test02(std::tuple<> t1, std::tuple<int> t2)
  58 {
  59   std::pair<Default, int> A(std::piecewise_construct, t1, t2);
  60 }