libstdc++-v3/testsuite/24_iterators/move_iterator/input_iterator.cc

   1 // Copyright (C) 2020-2021 Free Software Foundation, Inc.
   2 //
   3 // This file is part of the GNU ISO C++ Library.  This library is free
   4 // software; you can redistribute it and/or modify it under the
   5 // terms of the GNU General Public License as published by the
   6 // Free Software Foundation; either version 3, or (at your option)
   7 // any later version.
   8
   9 // This library is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13
  14 // You should have received a copy of the GNU General Public License along
  15 // with this library; see the file COPYING3.  If not see
  16 // <http://www.gnu.org/licenses/>.
  17
  18 // { dg-options "-std=gnu++2a" }
  19 // { dg-do run { target c++2a } }
  20
  21 #include <iterator>
  22 #include <testsuite_hooks.h>
  23 #include <testsuite_iterators.h>
  24
  25 void
  26 test01()
  27 {
  28   int a[2] = { 1, 2 };
  29   __gnu_test::test_container<int, __gnu_test::input_iterator_wrapper> c(a);
  30   auto miter = std::make_move_iterator(c.begin());
  31   VERIFY( *miter == 1 );
  32   miter++;
  33   VERIFY( *miter == 2 );
  34
  35   static_assert( std::is_void_v<decltype(miter++)> );
  36 }
  37
  38 int
  39 main()
  40 {
  41   test01();
  42 }