libstdc++-v3/testsuite/23_containers/array/tuple_interface/tuple_element.cc

   1 // { dg-options "-std=gnu++11" }
   2 //
   3 // Copyright (C) 2011-2014 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 <type_traits>
  22 #include <testsuite_hooks.h>
  23
  24 void
  25 test01()
  26 {
  27   bool test __attribute__((unused)) = true;
  28   using namespace std;
  29
  30   const size_t len = 3;
  31   typedef array<int, len> array_type;
  32   VERIFY( (is_same<tuple_element<0, array_type>::type, int>::value == true) );
  33   VERIFY( (is_same<tuple_element<1, array_type>::type, int>::value == true) );
  34   VERIFY( (is_same<tuple_element<2, array_type>::type, int>::value == true) );
  35 }
  36
  37 int main()
  38 {
  39   test01();
  40   return 0;
  41 }