old-autovect-branch/libstdc++-v3/testsuite/25_algorithms/partial_sort_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 // 25.3.1.4 [lib.partial.sort.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::random_access_iterator_wrapper;
  28
  29 struct S1 { };
  30 struct S2
  31 {
  32   S2(const S1&) {}
  33   S2() {}
  34 };
  35
  36 bool
  37 operator<(const S1&, const S1&)
  38 {return true;}
  39
  40 bool
  41 operator<(const S2&, const S2&)
  42 {return true;}
  43
  44 struct X1 { };
  45 struct X2
  46 {
  47   X2(const X1&) {}
  48   X2() {}
  49 };
  50
  51 struct predicate
  52 {
  53   bool
  54   operator()(const X1&, const X1&)
  55   {return true;}
  56
  57   bool
  58   operator()(const X2&, const X2&)
  59   {return true;}
  60 };
  61
  62 random_access_iterator_wrapper<S2>
  63 test1(input_iterator_wrapper<S1>& s1, random_access_iterator_wrapper<S2>& s2)
  64 { return std::partial_sort_copy(s1, s1, s2, s2); }
  65
  66 random_access_iterator_wrapper<X2>
  67 test2(input_iterator_wrapper<X1>& x1, random_access_iterator_wrapper<X2>& x2)
  68 { return std::partial_sort_copy(x1, x1, x2, x2, predicate()); }