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

   1 // Copyright (C) 2005-2013 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 // { dg-do compile }
  19
  20 #include <algorithm>
  21 #include <testsuite_iterators.h>
  22
  23 using __gnu_test::random_access_iterator_wrapper;
  24
  25 struct S { };
  26
  27 bool
  28 operator<(const S&, const S&) {return true;}
  29
  30 struct X { };
  31
  32 bool
  33 predicate(const X&, const X&) {return true;}
  34
  35 bool
  36 test1(random_access_iterator_wrapper<S>& start,
  37       random_access_iterator_wrapper<S>& end)
  38 { return std::__is_heap(start, end) && std::__is_heap(start, 1); }
  39
  40 bool
  41 test2(random_access_iterator_wrapper<X>& start,
  42       random_access_iterator_wrapper<X>& end)
  43 {
  44   return std::__is_heap(start, end, predicate) &&
  45          std::__is_heap(start, predicate, 1);
  46 }