gomp-20050608-branch/libstdc++-v3/testsuite/25_algorithms/lexicographical_compare/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, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  17 // USA.
  18
  19 // 25.3.8 [lib.alg.lex.comparison]
  20
  21 // { dg-do compile }
  22
  23
  24 #include <algorithm>
  25 #include <testsuite_iterators.h>
  26
  27 using __gnu_test::input_iterator_wrapper;
  28
  29 struct Lhs1 { };
  30
  31 struct Rhs1 { };
  32
  33 bool
  34 operator<(const Lhs1&, const Rhs1&) {return true;}
  35
  36 bool
  37 operator<(const Rhs1&, const Lhs1&) {return false;}
  38
  39 struct X { };
  40
  41 bool
  42 predicate(const X&, const X&) {return true;}
  43
  44 bool
  45 test1(input_iterator_wrapper<Lhs1>& lhs1,
  46       input_iterator_wrapper<Rhs1>& rhs1)
  47 { return std::lexicographical_compare(lhs1, lhs1, rhs1, rhs1); }
  48
  49 bool
  50 test2(input_iterator_wrapper<X>& x)
  51 { return std::lexicographical_compare(x, x, x, x, predicate); }