1 | // Boost.Range library |
---|---|
2 | // |
3 | // Copyright Neil Groves 2014. Use, modification and |
4 | // distribution is subject to the Boost Software License, Version |
5 | // 1.0. (See accompanying file LICENSE_1_0.txt or copy at |
6 | // http://www.boost.org/LICENSE_1_0.txt) |
7 | // |
8 | // |
9 | // For more information, see http://www.boost.org/libs/range/ |
10 | // |
11 | // Credit goes to Eric Niebler for providing an example to demonstrate this |
12 | // issue. This has been trivially modified to create this test case. |
13 | // |
14 | #include <boost/range/adaptor/strided.hpp> |
15 | #include <boost/range/adaptor/reversed.hpp> |
16 | #include <boost/range/algorithm_ext/push_back.hpp> |
17 | |
18 | #include <boost/test/test_tools.hpp> |
19 | #include <boost/test/unit_test.hpp> |
20 | |
21 | #include <list> |
22 | #include <vector> |
23 | #include <numeric> |
24 | |
25 | namespace boost |
26 | { |
27 | namespace |
28 | { |
29 | |
30 | void ticket_9519_strided_reversed_test() |
31 | { |
32 | using namespace boost::adaptors; |
33 | |
34 | std::vector<int> vi; |
35 | for (int i = 0; i < 50; ++i) |
36 | { |
37 | vi.push_back(x: i); |
38 | } |
39 | |
40 | std::vector<int> output; |
41 | boost::push_back(on&: output, from: vi | strided(3) | reversed); |
42 | |
43 | std::list<int> reference; |
44 | for (int i = 0; i < 50; i += 3) |
45 | { |
46 | reference.push_front(x: i); |
47 | } |
48 | |
49 | BOOST_CHECK_EQUAL_COLLECTIONS(output.begin(), output.end(), |
50 | reference.begin(), reference.end()); |
51 | } |
52 | |
53 | } // anonymous namespace |
54 | } // namespace boost |
55 | |
56 | boost::unit_test::test_suite* |
57 | init_unit_test_suite(int argc, char* argv[]) |
58 | { |
59 | boost::unit_test::test_suite* test |
60 | = BOOST_TEST_SUITE( |
61 | "RangeTestSuite.adaptor.ticket_9519_strided_reversed"); |
62 | |
63 | test->add(BOOST_TEST_CASE(&boost::ticket_9519_strided_reversed_test)); |
64 | |
65 | return test; |
66 | } |
67 | |
68 |