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

   1 // Copyright (C) 2019-2022 Free Software Foundation, Inc.
   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
  21 #include <testsuite_hooks.h>
  22
  23 void test01()
  24 {
  25   using namespace std;
  26
  27   deque<char> d1;
  28   for (int i = 0; i != _GLIBCXX_STD_C::__deque_buf_size(sizeof(char)); ++i)
  29     d1.push_back((char)i);
  30
  31   deque<char> d2(d1.size(), '\0');
  32
  33   fill(d1.begin(), d1.end(), '\0');
  34
  35   VERIFY( equal(d1.begin(), d1.end(), d2.begin()) );
  36 }
  37
  38 void test02()
  39 {
  40   using namespace std;
  41
  42   deque<char> d1;
  43   for (int i = 0; i != 4 * _GLIBCXX_STD_C::__deque_buf_size(sizeof(char)); ++i)
  44     d1.push_back(i);
  45
  46   deque<char> d2(d1.size(), '\0');
  47
  48   fill(d1.begin(), d1.end(), '\0');
  49
  50   VERIFY( equal(d1.begin(), d1.end(), d2.begin()) );
  51 }
  52
  53 int main()
  54 {
  55   test01();
  56   test02();
  57   return 0;
  58 }