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

   1 // Copyright (C) 2005-2020 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 // 25.1.9 [lib.alg.search]
  19
  20 // { dg-do compile }
  21
  22 #include <algorithm>
  23 #include <testsuite_iterators.h>
  24
  25 using __gnu_test::forward_iterator_wrapper;
  26
  27 struct T1 { };
  28 struct T2 { };
  29
  30 struct S1
  31 {
  32   S1(T1) { }
  33 };
  34
  35 struct S2 {
  36   S2(T2) { }
  37 };
  38
  39 bool
  40 operator==(const S1&, const S2&) {return true;}
  41
  42 struct V1 { };
  43 struct V2 { };
  44
  45 struct X1
  46 {
  47   X1(V1) { };
  48 };
  49
  50 struct X2
  51 {
  52   X2(V2) { };
  53 };
  54
  55 bool
  56 predicate(const X1&, const X2&) {return true;}
  57
  58 forward_iterator_wrapper<S1>
  59 test1(forward_iterator_wrapper<S1>& s1, forward_iterator_wrapper<S2>& s2)
  60 { return std::search(s1, s1, s2, s2); }
  61
  62 forward_iterator_wrapper<T1>
  63 test2(forward_iterator_wrapper<T1>& s1, forward_iterator_wrapper<T2>& s2)
  64 { return std::search(s1, s1, s2, s2); }
  65
  66 forward_iterator_wrapper<X1>
  67 test3(forward_iterator_wrapper<X1>& x1, forward_iterator_wrapper<X2>& x2)
  68 { return std::search(x1, x1, x2, x2, predicate); }
  69
  70 forward_iterator_wrapper<V1>
  71 test4(forward_iterator_wrapper<V1>& x1, forward_iterator_wrapper<V2>& x2)
  72 { return std::search(x1, x1, x2, x2, predicate); }