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

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