libstdc++-v3/testsuite/23_containers/unordered_map/requirements/cliterators.cc

   1 // { dg-options "-std=gnu++0x" }
   2
   3 // 2008-06-11  Paolo Carlini  <paolo.carlini@oracle.com>
   4
   5 // Copyright (C) 2008, 2009 Free Software Foundation, Inc.
   6 //
   7 // This file is part of the GNU ISO C++ Library.  This library is free
   8 // software; you can redistribute it and/or modify it under the
   9 // terms of the GNU General Public License as published by the
  10 // Free Software Foundation; either version 3, or (at your option)
  11 // any later version.
  12
  13 // This library is distributed in the hope that it will be useful,
  14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 // GNU General Public License for more details.
  17
  18 // You should have received a copy of the GNU General Public License along
  19 // with this library; see the file COPYING3.  If not see
  20 // <http://www.gnu.org/licenses/>.
  21
  22
  23 #include <unordered_map>
  24 #include <testsuite_hooks.h>
  25
  26 // DR 691.
  27 void test01()
  28 {
  29   bool test __attribute__((unused)) = true;
  30
  31   typedef std::unordered_map<int, int> um_type;
  32   um_type um;
  33   um[1] = 1;
  34   VERIFY( um.cbegin(0) == um.begin(0) );
  35   VERIFY( um.cend(0) == um.end(0) );
  36   const um_type::size_type bn = um.bucket(1);
  37   VERIFY( um.cbegin(bn) != um.cend(bn) );
  38 }
  39
  40 int main()
  41 {
  42   test01();
  43   return 0;
  44 }