1 /*
2  * Copyright (c) 2014 Glen Joseph Fernandes
3  * glenfe at live dot com
4  *
5  * Distributed under the Boost Software License,
6  * Version 1.0. (See accompanying file LICENSE_1_0.txt
7  * or copy at 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_object.hpp>
13 
14 class type {
15 public:
16     static unsigned int instances;
17 
type()18     explicit type() {
19         instances++;
20     }
21 
~type()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 
main()33 int main() {
34     {
35         std::unique_ptr<int> a1 = boost::make_unique<int>();
36         BOOST_TEST(a1.get() != 0);
37         BOOST_TEST(*a1 == 0);
38     }
39 
40     {
41         std::unique_ptr<const int> a1 = boost::make_unique<const int>();
42         BOOST_TEST(a1.get() != 0);
43         BOOST_TEST(*a1 == 0);
44     }
45 
46     BOOST_TEST(type::instances == 0);
47     {
48         std::unique_ptr<type> a1 = boost::make_unique<type>();
49         BOOST_TEST(a1.get() != 0);
50         BOOST_TEST(type::instances == 1);
51         a1.reset();
52         BOOST_TEST(type::instances == 0);
53     }
54 
55     BOOST_TEST(type::instances == 0);
56     {
57         std::unique_ptr<const type> a1 = boost::make_unique<const type>();
58         BOOST_TEST(a1.get() != 0);
59         BOOST_TEST(type::instances == 1);
60         a1.reset();
61         BOOST_TEST(type::instances == 0);
62     }
63 
64     return boost::report_errors();
65 }
66 #else
67 
main()68 int main() {
69     return 0;
70 }
71 
72 #endif
73