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

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