libstdc++-v3/testsuite/ext/is_heap/1.cc

   1 // Copyright (C) 2005-2020 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 <testsuite_hooks.h>
  20 #include <testsuite_iterators.h>
  21
  22 using __gnu_test::test_container;
  23 using __gnu_test::random_access_iterator_wrapper;
  24
  25 typedef test_container<int, random_access_iterator_wrapper> container;
  26
  27 void
  28 test1()
  29 {
  30   int array[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
  31   for(int i = 0; i < 10; ++i)
  32     {
  33       container con(array, array + i);
  34       std::make_heap(con.begin(), con.end());
  35       VERIFY(std::__is_heap(con.begin(), con.end()));
  36       VERIFY(std::__is_heap(con.begin(), i));
  37     }
  38 }
  39
  40 int
  41 main()
  42 {
  43   test1();
  44   return 0;
  45 }