libstdc++-v3/testsuite/20_util/tuple/cons/converting.cc

   1 // { dg-do compile { target c++11 } }
   2
   3 // Copyright (C) 2010-2022 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 <tuple>
  21
  22 // http://gcc.gnu.org/ml/libstdc++/2008-02/msg00047.html
  23 std::tuple<int> ts1;
  24 std::tuple<unsigned> tu1(ts1);
  25
  26 std::tuple<int, int> ts2;
  27 std::tuple<unsigned, unsigned> tu2(ts2);
  28
  29 std::tuple<int, int, int> ts3;
  30 std::tuple<unsigned, unsigned, unsigned> tu3(ts3);
  31
  32 std::tuple<int, unsigned> tm2;
  33 std::tuple<unsigned, int> tm2_(tm2);
  34
  35 std::tuple<int, unsigned, int> tm3;
  36 std::tuple<unsigned, int, unsigned> tm3_(tm3);