libstdc++-v3/testsuite/25_algorithms/unique_copy/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 // 25.5.8 [lib.alg.unique_copy]
  20
  21 // { dg-do compile }
  22
  23 #include <algorithm>
  24 #include <testsuite_iterators.h>
  25
  26 using __gnu_test::input_iterator_wrapper;
  27 using __gnu_test::output_iterator_wrapper;
  28
  29 struct S1 { };
  30
  31 struct S2
  32 {
  33   S2(const S1&) {}
  34 };
  35
  36 bool
  37 operator==(const S1&, const S1&) {return true;}
  38
  39 struct X1 { };
  40
  41 struct X2
  42 {
  43   X2(const X1&) {}
  44 };
  45
  46 bool
  47 predicate(const X1&, const X1&) {return true;}
  48
  49 output_iterator_wrapper<S2>
  50 test1(input_iterator_wrapper<S1>& s1, output_iterator_wrapper<S2>& s2)
  51 { return std::unique_copy(s1, s1, s2); }
  52
  53 output_iterator_wrapper<X2>
  54 test2(input_iterator_wrapper<X1>& x1, output_iterator_wrapper<X2>& x2)
  55 { return std::unique_copy(x1, x1, x2, predicate); }