libstdc++-v3/testsuite/25_algorithms/count/1.cc

   1 // Copyright (C) 2005-2022 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 // 25.1.6 count
  19
  20 #include <algorithm>
  21 #include <testsuite_hooks.h>
  22 #include <testsuite_iterators.h>
  23
  24 using __gnu_test::test_container;
  25 using __gnu_test::input_iterator_wrapper;
  26
  27 typedef test_container<int, input_iterator_wrapper> Container;
  28 int array[] = {0, 0, 0, 1, 0, 1};
  29
  30 void
  31 test1()
  32 {
  33   Container con(array, array);
  34   VERIFY(std::count(con.begin(), con.end(), 1) == 0);
  35 }
  36
  37 void
  38 test2()
  39 {
  40   Container con(array, array + 1);
  41   VERIFY(std::count(con.begin(), con.end(), 1) == 0);
  42 }
  43
  44 void
  45 test3()
  46 {
  47   Container con(array, array + 6);
  48   VERIFY(std::count(con.begin(), con.end(), 1) == 2);
  49 }
  50
  51 int
  52 main()
  53 {
  54   test1();
  55   test2();
  56   test3();
  57 }