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

   1 // Copyright (C) 2005 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 2, 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 COPYING.  If not, write to the Free
  16 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  17 // USA.
  18
  19 // { dg-do compile }
  20
  21 #include <algorithm>
  22 #include <testsuite_iterators.h>
  23
  24 using __gnu_test::random_access_iterator_wrapper;
  25
  26 struct S { };
  27
  28 bool
  29 operator<(const S&, const S&) {return true;}
  30
  31 struct X { };
  32
  33 bool
  34 predicate(const X&, const X&) {return true;}
  35
  36 bool
  37 test1(random_access_iterator_wrapper<S>& start,
  38       random_access_iterator_wrapper<S>& end)
  39 { return std::__is_heap(start, end) && std::__is_heap(start, 1); }
  40
  41 bool
  42 test2(random_access_iterator_wrapper<X>& start,
  43       random_access_iterator_wrapper<X>& end)
  44 {
  45   return std::__is_heap(start, end, predicate) &&
  46          std::__is_heap(start, predicate, 1);
  47 }