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1 | // Copyright 2003 The Trustees of Indiana University. |
2 | ||
3 | // Use, modification and distribution is subject to the Boost Software | |
4 | // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at | |
5 | // http://www.boost.org/LICENSE_1_0.txt) | |
6 | ||
7 | // Shared container iterator adaptor | |
8 | // Author: Ronald Garcia | |
9 | // See http://boost.org/libs/utility/shared_container_iterator.html | |
10 | // for documentation. | |
11 | ||
12 | // | |
13 | // shared_iterator_test.cpp - Regression tests for shared_container_iterator. | |
14 | // | |
15 | ||
16 | ||
17 | #include "boost/shared_container_iterator.hpp" | |
18 | #include "boost/shared_ptr.hpp" | |
19 | #include <vector> | |
20 | #include <cassert> | |
21 | ||
22 | struct resource { | |
23 | static int count; | |
24 | resource() { ++count; } | |
25 | resource(resource const&) { ++count; } | |
26 | ~resource() { --count; } | |
27 | }; | |
28 | int resource::count = 0; | |
29 | ||
30 | typedef std::vector<resource> resources_t; | |
31 | ||
32 | typedef boost::shared_container_iterator< resources_t > iterator; | |
33 | ||
34 | ||
35 | void set_range(iterator& i, iterator& end) { | |
36 | ||
37 | boost::shared_ptr< resources_t > objs(new resources_t()); | |
38 | ||
39 | for (int j = 0; j != 6; ++j) | |
40 | objs->push_back(resource()); | |
41 | ||
42 | i = iterator(objs->begin(),objs); | |
43 | end = iterator(objs->end(),objs); | |
44 | assert(resource::count == 6); | |
45 | } | |
46 | ||
47 | ||
48 | int main() { | |
49 | ||
50 | assert(resource::count == 0); | |
51 | ||
52 | { | |
53 | iterator i; | |
54 | { | |
55 | iterator end; | |
56 | set_range(i,end); | |
57 | assert(resource::count == 6); | |
58 | } | |
59 | assert(resource::count == 6); | |
60 | } | |
61 | assert(resource::count == 0); | |
62 | ||
63 | return 0; | |
64 | } |