libstdc++-v3/testsuite/20_util/shared_ptr/observers/get.cc

   1 // { dg-options "-std=gnu++0x" }
   2
   3 // Copyright (C) 2005-2013 Free Software Foundation, Inc.
   4 //
   5 // This file is part of the GNU ISO C++ Library.  This library is free
   6 // software; you can redistribute it and/or modify it under the
   7 // terms of the GNU General Public License as published by the
   8 // Free Software Foundation; either version 3, or (at your option)
   9 // any later version.
  10
  11 // This library is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15
  16 // You should have received a copy of the GNU General Public License along
  17 // with this library; see the file COPYING3.  If not see
  18 // <http://www.gnu.org/licenses/>.
  19
  20 // 20.6.6.2 Template class shared_ptr [util.smartptr.shared]
  21
  22 #include <memory>
  23 #include <testsuite_hooks.h>
  24
  25 struct A
  26 {
  27   A() : i() {}
  28   int i;
  29 };
  30
  31 // 20.6.6.2.5 shared_ptr observers [util.smartptr.shared.obs]
  32
  33 // get
  34 void
  35 test01()
  36 {
  37   bool test __attribute__((unused)) = true;
  38
  39   A * const a = new A;
  40   const std::shared_ptr<A> p(a);
  41   VERIFY( p.get() == a );
  42 }
  43
  44 // operator*
  45 void
  46 test02()
  47 {
  48   bool test __attribute__((unused)) = true;
  49
  50   A * const a = new A;
  51   const std::shared_ptr<A> p(a);
  52   VERIFY( &*p == a );
  53 }
  54
  55 // operator->
  56 void
  57 test03()
  58 {
  59   bool test __attribute__((unused)) = true;
  60
  61   A * const a = new A;
  62   const std::shared_ptr<A> p(a);
  63   VERIFY( &p->i == &a->i );
  64 }
  65
  66 int
  67 main()
  68 {
  69   test01();
  70   test02();
  71   test03();
  72   return 0;
  73 }