libstdc++-v3/testsuite/25_algorithms/equal_range/check_type.cc

   1 // Copyright (C) 2005-2023 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 // 25.3.3.3 [lib.equal.range]
  19
  20 // { dg-do compile }
  21
  22 #include <algorithm>
  23 #include <utility>
  24 #include <testsuite_iterators.h>
  25
  26 using __gnu_test::forward_iterator_wrapper;
  27
  28 struct S { };
  29
  30 bool operator<(const S&, const S&) {return true;}
  31
  32 struct X { };
  33
  34 bool predicate(const X&, const X&) {return true;}
  35
  36 std::pair<forward_iterator_wrapper<S>, forward_iterator_wrapper<S> >
  37 test1(forward_iterator_wrapper<S>& s)
  38 { return std::equal_range(s, s, *s); }
  39
  40 std::pair<forward_iterator_wrapper<X>, forward_iterator_wrapper<X> >
  41 test2(forward_iterator_wrapper<X>& x)
  42 { return std::equal_range(x, x, *x, predicate); }