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1 | // Boost.Range library |
2 | // | |
3 | // Copyright Neil Groves 2009. 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 | //[map_keys_example | |
12 | #include <boost/range/adaptor/map.hpp> | |
13 | #include <boost/range/algorithm/copy.hpp> | |
14 | #include <boost/assign.hpp> | |
15 | #include <iterator> | |
16 | #include <iostream> | |
17 | #include <map> | |
18 | #include <vector> | |
19 | ||
20 | //<- | |
21 | #include <boost/test/test_tools.hpp> | |
22 | #include <boost/test/unit_test.hpp> | |
23 | ||
24 | #include <boost/range/algorithm_ext/push_back.hpp> | |
25 | ||
26 | namespace | |
27 | { | |
28 | void map_keys_example_test() | |
29 | //-> | |
30 | //=int main(int argc, const char* argv[]) | |
31 | { | |
32 | using namespace boost::assign; | |
33 | using namespace boost::adaptors; | |
34 | ||
35 | std::map<int,int> input; | |
36 | for (int i = 0; i < 10; ++i) | |
37 | input.insert(std::make_pair(i, i * 10)); | |
38 | ||
39 | boost::copy( | |
40 | input | map_keys, | |
41 | std::ostream_iterator<int>(std::cout, ",")); | |
42 | ||
43 | //= return 0; | |
44 | //=} | |
45 | //] | |
46 | std::vector<int> reference; | |
47 | reference += 0,1,2,3,4,5,6,7,8,9; | |
48 | ||
49 | std::vector<int> test; | |
50 | boost::push_back(test, input | map_keys); | |
51 | ||
52 | BOOST_CHECK_EQUAL_COLLECTIONS( reference.begin(), reference.end(), | |
53 | test.begin(), test.end() ); | |
54 | } | |
55 | } | |
56 | ||
57 | boost::unit_test::test_suite* | |
58 | init_unit_test_suite(int argc, char* argv[]) | |
59 | { | |
60 | boost::unit_test::test_suite* test | |
61 | = BOOST_TEST_SUITE( "RangeTestSuite.adaptor.map_keys_example" ); | |
62 | ||
63 | test->add( BOOST_TEST_CASE( &map_keys_example_test ) ); | |
64 | ||
65 | return test; | |
66 | } |