libstdc++-v3/testsuite/20_util/shared_ptr/comparison/42925.cc

   1 // { dg-options "-std=gnu++11" }
   2 // { dg-do compile }
   3
   4 // Copyright (C) 2010-2015 Free Software Foundation, Inc.
   5 //
   6 // This file is part of the GNU ISO C++ Library.  This library is free
   7 // software; you can redistribute it and/or modify it under the
   8 // terms of the GNU General Public License as published by the
   9 // Free Software Foundation; either version 3, or (at your option)
  10 // any later version.
  11
  12 // This library is distributed in the hope that it will be useful,
  13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 // GNU General Public License for more details.
  16
  17 // You should have received a copy of the GNU General Public License along
  18 // with this library; see the file COPYING3.  If not see
  19 // <http://www.gnu.org/licenses/>.
  20
  21 // 20.9.11.2 Class template shared_ptr [util.smartptr.shared]
  22
  23 #include <memory>
  24
  25 // libstdc++/42925 (also see GB 99)
  26 void test01()
  27 {
  28   std::shared_ptr<int> ptr;
  29   if (ptr == 0)
  30     { }
  31   if (0 == ptr)
  32     { }
  33   if (ptr != 0)
  34     { }
  35   if (0 != ptr)
  36     { }
  37 }