libstdc++-v3/testsuite/tr1/2_general_utilities/shared_ptr/observers/get.cc

   1 // Copyright (C) 2005-2022 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 // TR1 2.2.2 Template class shared_ptr [tr.util.smartptr.shared]
  19
  20 #include <tr1/memory>
  21 #include <testsuite_hooks.h>
  22
  23 struct A
  24 {
  25   A() : i() {}
  26   int i;
  27 };
  28
  29 // 2.2.3.5 shared_ptr observers [tr.util.smartptr.shared.obs]
  30
  31 // get
  32 int
  33 test01()
  34 {
  35   A * const a = new A;
  36   const std::tr1::shared_ptr<A> p(a);
  37   VERIFY( p.get() == a );
  38
  39   return 0;
  40 }
  41
  42 // operator*
  43 int
  44 test02()
  45 {
  46   A * const a = new A;
  47   const std::tr1::shared_ptr<A> p(a);
  48   VERIFY( &*p == a );
  49
  50   return 0;
  51 }
  52
  53
  54 // operator->
  55 int
  56 test03()
  57 {
  58   A * const a = new A;
  59   const std::tr1::shared_ptr<A> p(a);
  60   VERIFY( &p->i == &a->i );
  61
  62   return 0;
  63 }
  64
  65
  66 int
  67 main()
  68 {
  69   test01();
  70   test02();
  71   test03();
  72   return 0;
  73 }