1 | // |
2 | // owner_less_test.cpp |
3 | // |
4 | // A regression test for owner_less |
5 | // |
6 | // Copyright (c) 2008 Frank Mori Hess |
7 | // |
8 | // Distributed under the Boost Software License, Version 1.0. |
9 | // |
10 | // See accompanying file LICENSE_1_0.txt or copy at |
11 | // http://www.boost.org/LICENSE_1_0.txt) |
12 | // |
13 | |
14 | #include <boost/core/lightweight_test.hpp> |
15 | #include <boost/smart_ptr/owner_less.hpp> |
16 | #include <boost/shared_ptr.hpp> |
17 | #include <boost/weak_ptr.hpp> |
18 | |
19 | int main() |
20 | { |
21 | boost::owner_less<boost::shared_ptr<int> > comp; |
22 | { |
23 | boost::shared_ptr<int> x; |
24 | boost::shared_ptr<int> y; |
25 | boost::weak_ptr<int> w; |
26 | BOOST_TEST(!(comp(x, w) || comp(w, x))); |
27 | } |
28 | { |
29 | boost::shared_ptr<int> z((int*)0); |
30 | boost::weak_ptr<int> w; |
31 | BOOST_TEST(comp(z, w) || comp(w, z)); |
32 | { |
33 | boost::shared_ptr<int> zz(z); |
34 | w = boost::weak_ptr<int>(zz); |
35 | BOOST_TEST(!(comp(z, zz) || comp(z, zz))); |
36 | BOOST_TEST(!(comp(z, w) || comp(z, w))); |
37 | } |
38 | BOOST_TEST(!(comp(z, w) || comp(w, z))); |
39 | } |
40 | { |
41 | boost::shared_ptr<int> x; |
42 | boost::shared_ptr<int> z((int*)0); |
43 | BOOST_TEST(comp(x, z) || comp(z, x)); |
44 | } |
45 | { |
46 | boost::shared_ptr<int> a((int*)0); |
47 | boost::shared_ptr<int> b((int*)0); |
48 | BOOST_TEST(comp(a, b) || comp(b, a)); |
49 | boost::weak_ptr<int> w(a); |
50 | BOOST_TEST(!(comp(a, w) || comp(w, a))); |
51 | BOOST_TEST(comp(b, w) || comp(w, b)); |
52 | } |
53 | |
54 | boost::owner_less<boost::weak_ptr<int> > weak_comp; |
55 | { |
56 | boost::shared_ptr<int> a((int*)0); |
57 | boost::weak_ptr<int> wa(a); |
58 | boost::shared_ptr<int> b((int*)0); |
59 | boost::weak_ptr<int> wb(b); |
60 | BOOST_TEST(!(weak_comp(a, wa) || weak_comp(wa, a))); |
61 | BOOST_TEST(!(weak_comp(b, wb) || weak_comp(wb, b))); |
62 | BOOST_TEST(weak_comp(wa, wb) || weak_comp(wb, wa)); |
63 | BOOST_TEST(weak_comp(wa, b) || weak_comp(b, wa)); |
64 | } |
65 | |
66 | return boost::report_errors(); |
67 | } |
68 | |