| 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(x: 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 | } |
| 65 |