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

   1 // Copyright (C) 2017-2025 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 // { dg-do run { target c++17 } }
  19
  20 #include <algorithm>
  21 #include <testsuite_hooks.h>
  22
  23 struct nocopy
  24 {
  25   nocopy() = default;
  26   nocopy(const nocopy&) = delete;
  27   nocopy& operator=(const nocopy&) = delete;
  28
  29   struct P { int* first; };
  30
  31   P operator()(int* f, int*) const { return {f}; }
  32 };
  33
  34 void
  35 test01()
  36 {
  37   int i[] = { 1, 2 };
  38   auto res = std::search(i, i + 2, nocopy{});
  39   VERIFY( res == i );
  40 }
  41
  42 int
  43 main()
  44 {
  45   test01();
  46 }