libstdc++-v3/testsuite/20_util/pair/40925.cc

   1 // { dg-do compile { target c++11 } }
   2
   3 // Copyright (C) 2009-2017 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
  22 struct X
  23 {
  24   explicit X(int, int) { }
  25
  26 private:
  27   X(const X&) = delete;
  28 };
  29
  30 struct move_only
  31 {
  32   move_only() { }
  33   move_only(move_only&&) { }
  34
  35 private:
  36   move_only(const move_only&) = delete;
  37 };
  38
  39 // libstdc++/40925
  40 void test01()
  41 {
  42   int *ip = 0;
  43   int X::*mp = 0;
  44
  45   std::pair<int*, int*> p1(0, 0);
  46   std::pair<int*, int*> p2(ip, 0);
  47   std::pair<int*, int*> p3(0, ip);
  48   std::pair<int*, int*> p4(ip, ip);
  49
  50   std::pair<int X::*, int*> p5(0, 0);
  51   std::pair<int X::*, int X::*> p6(mp, 0);
  52   std::pair<int X::*, int X::*> p7(0, mp);
  53   std::pair<int X::*, int X::*> p8(mp, mp);
  54
  55   std::pair<int*, move_only> p9(0, move_only());
  56   std::pair<int X::*, move_only> p10(0, move_only());
  57   std::pair<move_only, int*> p11(move_only(), 0);
  58   std::pair<move_only, int X::*> p12(move_only(), 0);
  59
  60   std::pair<int*, move_only> p13(ip, move_only());
  61   std::pair<int X::*, move_only> p14(mp, move_only());
  62   std::pair<move_only, int*> p15(move_only(), ip);
  63   std::pair<move_only, int X::*> p16(move_only(), mp);
  64
  65   std::pair<move_only, move_only> p17{move_only(), move_only()};
  66 }