libstdc++-v3/testsuite/20_util/shared_ptr/comparison/dr1401.cc

   1 // { dg-options "-std=gnu++0x" }
   2 // { dg-do compile }
   3
   4 // Copyright (C) 2011-2014 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 // 20.7.2.2 Class template shared_ptr [util.smartptr.shared]
  22
  23 #include <memory>
  24
  25 // DR 1401
  26 void test01()
  27 {
  28   std::shared_ptr<int> ptr1, ptr2;
  29   if (ptr1 == ptr2)
  30     { }
  31   if (ptr1 == nullptr)
  32     { }
  33   if (nullptr == ptr1)
  34     { }
  35   if (ptr1 != ptr2)
  36     { }
  37   if (ptr1 != nullptr)
  38     { }
  39   if (nullptr != ptr1)
  40     { }
  41   if (ptr1 < ptr2)
  42     { }
  43   if (ptr1 < nullptr)
  44     { }
  45   if (nullptr < ptr1)
  46     { }
  47   if (ptr1 <= ptr2)
  48     { }
  49   if (ptr1 <= nullptr)
  50     { }
  51   if (nullptr <= ptr1)
  52     { }
  53   if (ptr1 > ptr2)
  54     { }
  55   if (ptr1 > nullptr)
  56     { }
  57   if (nullptr > ptr1)
  58     { }
  59   if (ptr1 >= ptr2)
  60     { }
  61   if (ptr1 >= nullptr)
  62     { }
  63   if (nullptr >= ptr1)
  64     { }
  65 }