libstdc++-v3/testsuite/25_algorithms/move_backward/deque_iterators/1.cc

   1 // { dg-do run { target c++11 } }
   2
   3 // 2009-12-24  Paolo Carlini  <paolo.carlini@oracle.com>
   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 <algorithm>
  21 #include <deque>
  22 #include <testsuite_hooks.h>
  23
  24 void test01()
  25 {
  26   bool test __attribute__((unused)) = true;
  27   using namespace std;
  28
  29   deque<long> data(200);
  30   for (unsigned i = 0; i < data.size(); ++i)
  31     data[i] = i;
  32
  33   const deque<long> data_1(data.size(), -1);
  34
  35   for (unsigned i = 0; i < data.size(); i += 2)
  36     for (unsigned j = i; j <= data.size(); j += 3)
  37       for (unsigned k = 0; k + (j - i) <= data.size(); k += 5)
  38         {
  39           deque<long> d(data.size(), -1);
  40           move_backward(data.begin() + i, data.begin() + j,
  41                         d.begin() + k + (j - i));
  42
  43           VERIFY( equal(data.begin() + i, data.begin() + j,
  44                         d.begin() + k) );
  45           VERIFY( equal(d.begin(), d.begin() + k, data_1.begin()) );
  46           VERIFY( equal(d.begin() + k + (j - i), d.end(), data_1.begin()) );
  47         }
  48 }
  49
  50 int main()
  51 {
  52   test01();
  53   return 0;
  54 }