libstdc++-v3/testsuite/20_util/tuple/creation_functions/make_tuple.cc

   1 // { dg-do run { target c++11 } }
   2
   3 // Copyright (C) 2007-2024 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 // Tuple
  21
  22 #include <tuple>
  23 #include <functional>
  24 #include <testsuite_hooks.h>
  25
  26 using namespace std;
  27
  28 int
  29 main()
  30 {
  31   int i=0;
  32   make_tuple(1,2,4.0);
  33   make_tuple(ref(i)) = tuple<int>(1);
  34   VERIFY(i == 1);
  35 }