libstdc++-v3/testsuite/23_containers/array/requirements/zero_sized_arrays.cc

   1 // { dg-do run { target c++11 } }
   2 //
   3 // Copyright (C) 2011-2024 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 #include <array>
  21 #include <testsuite_hooks.h>
  22
  23 void
  24 test01()
  25 {
  26   const size_t len = 0;
  27   typedef std::array<int, len> array_type;
  28
  29   // 1: ?
  30   array_type a = { };
  31
  32   // 2
  33   array_type b;
  34
  35   // 3
  36   // begin() == end()
  37   VERIFY( a.begin() == a.end() );
  38   VERIFY( b.begin() == b.end() );
  39 }
  40
  41 int main()
  42 {
  43   test01();
  44   return 0;
  45 }