ceph/src/boost/libs/smart_ptr/test/make_unique_test.cpp

   1 /*
   2 (c) 2014 Glen Joseph Fernandes
   3 <glenjofe -at- gmail.com>
   4
   5 Distributed under the Boost Software
   6 License, Version 1.0.
   7 http://boost.org/LICENSE_1_0.txt
   8 */
   9 #include <boost/config.hpp>
  10 #if !defined(BOOST_NO_CXX11_SMART_PTR)
  11 #include <boost/detail/lightweight_test.hpp>
  12 #include <boost/smart_ptr/make_unique.hpp>
  13
  14 class type {
  15 public:
  16     static unsigned int instances;
  17
  18     explicit type() {
  19         instances++;
  20     }
  21
  22     ~type() {
  23         instances--;
  24     }
  25
  26 private:
  27     type(const type&);
  28     type& operator=(const type&);
  29 };
  30
  31 unsigned int type::instances = 0;
  32
  33 int main()
  34 {
  35     {
  36         std::unique_ptr<int> a1 = boost::make_unique<int>();
  37         BOOST_TEST(a1.get() != 0);
  38         BOOST_TEST(*a1 == 0);
  39     }
  40
  41     {
  42         std::unique_ptr<const int> a1 = boost::make_unique<const int>();
  43         BOOST_TEST(a1.get() != 0);
  44         BOOST_TEST(*a1 == 0);
  45     }
  46
  47     BOOST_TEST(type::instances == 0);
  48     {
  49         std::unique_ptr<type> a1 = boost::make_unique<type>();
  50         BOOST_TEST(a1.get() != 0);
  51         BOOST_TEST(type::instances == 1);
  52         a1.reset();
  53         BOOST_TEST(type::instances == 0);
  54     }
  55
  56     BOOST_TEST(type::instances == 0);
  57     {
  58         std::unique_ptr<const type> a1 = boost::make_unique<const type>();
  59         BOOST_TEST(a1.get() != 0);
  60         BOOST_TEST(type::instances == 1);
  61         a1.reset();
  62         BOOST_TEST(type::instances == 0);
  63     }
  64
  65     return boost::report_errors();
  66 }
  67 #else
  68
  69 int main()
  70 {
  71     return 0;
  72 }
  73
  74 #endif