libstdc++-v3/testsuite/25_algorithms/unique_copy/26133.cc

   1 // Copyright (C) 2006 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 #include <algorithm>
  20 #include <iterator>
  21 #include <sstream>
  22 #include <testsuite_hooks.h>
  23
  24 struct no_assign
  25 {
  26   int const x;
  27   no_assign() : x(23) { }
  28   operator int() const { return x; }
  29 };
  30
  31 // libstdc++/26133
  32 void test01()
  33 {
  34   bool test __attribute__((unused)) = true;
  35   std::ostringstream oss1, oss2;
  36
  37   no_assign in[4];
  38
  39   std::unique_copy(in, in + 4, std::ostream_iterator<int>(oss1, "\n"));
  40   VERIFY( oss1.str() == "23\n" );
  41
  42   std::unique_copy(in, in + 4, std::ostream_iterator<int>(oss2, "\n"),
  43                    std::equal_to<int>());
  44   VERIFY( oss2.str() == "23\n" );
  45 }
  46
  47 int main()
  48 {
  49   test01();
  50   return 0;
  51 }