1// Copyright (C) 2005, 2009 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// 25.3.8 [lib.alg.lex.comparison] 19 20// { dg-do compile } 21 22 23#include <algorithm> 24#include <testsuite_iterators.h> 25 26using __gnu_test::input_iterator_wrapper; 27 28struct Lhs1 { }; 29 30struct Rhs1 { }; 31 32bool 33operator<(const Lhs1&, const Rhs1&) {return true;} 34 35bool 36operator<(const Rhs1&, const Lhs1&) {return false;} 37 38struct X { }; 39 40bool 41predicate(const X&, const X&) {return true;} 42 43bool 44test1(input_iterator_wrapper<Lhs1>& lhs1, 45 input_iterator_wrapper<Rhs1>& rhs1) 46{ return std::lexicographical_compare(lhs1, lhs1, rhs1, rhs1); } 47 48bool 49test2(input_iterator_wrapper<X>& x) 50{ return std::lexicographical_compare(x, x, x, x, predicate); } 51