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 | #include <boost/range/adaptor/sliced.hpp> |
12 | #include <boost/range/adaptor/transformed.hpp> |
13 | #include <boost/range/algorithm_ext/push_back.hpp> |
14 | #include <boost/test/test_tools.hpp> |
15 | #include <boost/test/unit_test.hpp> |
16 | #include <vector> |
17 | |
18 | namespace |
19 | { |
20 | struct identity |
21 | { |
22 | typedef int result_type; |
23 | result_type operator()(int i) const { return i; } |
24 | }; |
25 | |
26 | void sliced_and_transformed() |
27 | { |
28 | using namespace boost::adaptors; |
29 | |
30 | std::vector<int> input; |
31 | for (int i = 0; i < 10; ++i) |
32 | input.push_back(x: i); |
33 | |
34 | std::vector<int> out1; |
35 | boost::push_back(on&: out1, from: input | sliced(2, 8) |
36 | | transformed(identity())); |
37 | |
38 | std::vector<int> out2; |
39 | boost::push_back(on&: out2, from: input | transformed(identity()) |
40 | | sliced(2, 8)); |
41 | |
42 | BOOST_CHECK_EQUAL_COLLECTIONS(out1.begin(), out1.end(), |
43 | out2.begin(), out2.end()); |
44 | } |
45 | } // anonymous namespace |
46 | |
47 | boost::unit_test::test_suite* |
48 | init_unit_test_suite(int argc, char* argv[]) |
49 | { |
50 | boost::unit_test::test_suite* test |
51 | = BOOST_TEST_SUITE( "Range adaptors - sliced and transformed" ); |
52 | |
53 | test->add(BOOST_TEST_CASE(&sliced_and_transformed)); |
54 | |
55 | return test; |
56 | } |
57 | |