libstdc++-v3/testsuite/20_util/shared_ptr/hash/1.cc

   1 // { dg-do run { target c++11 } }
   2
   3 // 2010-06-11  Paolo Carlini  <paolo.carlini@oracle.com>
   4
   5 // Copyright (C) 2010-2020 Free Software Foundation, Inc.
   6 //
   7 // This file is part of the GNU ISO C++ Library.  This library is free
   8 // software; you can redistribute it and/or modify it under the
   9 // terms of the GNU General Public License as published by the
  10 // Free Software Foundation; either version 3, or (at your option)
  11 // any later version.
  12
  13 // This library is distributed in the hope that it will be useful,
  14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 // GNU General Public License for more details.
  17
  18 // You should have received a copy of the GNU General Public License along
  19 // with this library; see the file COPYING3.  If not see
  20 // <http://www.gnu.org/licenses/>.
  21
  22 #include <memory>
  23 #include <testsuite_hooks.h>
  24
  25 void test01()
  26 {
  27   struct T { };
  28
  29   std::shared_ptr<T>                s0(new T);
  30   std::hash<std::shared_ptr<T>>     hs0;
  31   std::hash<T*>                     hp0;
  32
  33   VERIFY( hs0(s0) == hp0(s0.get()) );
  34
  35   std::__shared_ptr<T>              s1(new T);
  36   std::hash<std::__shared_ptr<T>>   hs1;
  37   std::hash<T*>                     hp1;
  38
  39   VERIFY( hs1(s1) == hp1(s1.get()) );
  40 }
  41
  42 int main()
  43 {
  44   test01();
  45   return 0;
  46 }