1 | // (C) Copyright Eric Niebler 2008. |
2 | // Use, modification and distribution are subject to the |
3 | // Boost Software License, Version 1.0. (See accompanying file |
4 | // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
5 | |
6 | #include <boost/test/unit_test.hpp> |
7 | #include <boost/accumulators/accumulators.hpp> |
8 | #include <boost/accumulators/statistics/stats.hpp> |
9 | #include <boost/accumulators/statistics/rolling_sum.hpp> |
10 | #include <sstream> |
11 | #include <boost/archive/text_oarchive.hpp> |
12 | #include <boost/archive/text_iarchive.hpp> |
13 | |
14 | using namespace boost; |
15 | using namespace unit_test; |
16 | using namespace accumulators; |
17 | |
18 | /////////////////////////////////////////////////////////////////////////////// |
19 | // test_stat |
20 | // |
21 | void test_stat() |
22 | { |
23 | accumulator_set<int, stats<tag::rolling_sum> > acc(tag::rolling_window::window_size = 3); |
24 | |
25 | BOOST_CHECK_EQUAL(0, rolling_sum(acc)); |
26 | |
27 | acc(1); |
28 | BOOST_CHECK_EQUAL(1, rolling_sum(acc)); |
29 | |
30 | acc(2); |
31 | BOOST_CHECK_EQUAL(3, rolling_sum(acc)); |
32 | |
33 | acc(3); |
34 | BOOST_CHECK_EQUAL(6, rolling_sum(acc)); |
35 | |
36 | acc(4); |
37 | BOOST_CHECK_EQUAL(9, rolling_sum(acc)); |
38 | |
39 | acc(5); |
40 | BOOST_CHECK_EQUAL(12, rolling_sum(acc)); |
41 | } |
42 | |
43 | /////////////////////////////////////////////////////////////////////////////// |
44 | // test_persistency |
45 | // |
46 | void test_persistency() |
47 | { |
48 | std::stringstream ss; |
49 | { |
50 | accumulator_set<int, stats<tag::rolling_sum> > acc(tag::rolling_window::window_size = 3); |
51 | acc(1); |
52 | acc(2); |
53 | acc(3); |
54 | acc(4); |
55 | acc(5); |
56 | BOOST_CHECK_EQUAL(12, rolling_sum(acc)); |
57 | boost::archive::text_oarchive oa(ss); |
58 | acc.serialize(ar&: oa, file_version: 0); |
59 | } |
60 | accumulator_set<int, stats<tag::rolling_sum> > acc(tag::rolling_window::window_size = 3); |
61 | boost::archive::text_iarchive ia(ss); |
62 | acc.serialize(ar&: ia, file_version: 0); |
63 | BOOST_CHECK_EQUAL(12, rolling_sum(acc)); |
64 | } |
65 | |
66 | /////////////////////////////////////////////////////////////////////////////// |
67 | // init_unit_test_suite |
68 | // |
69 | test_suite* init_unit_test_suite( int argc, char* argv[] ) |
70 | { |
71 | test_suite *test = BOOST_TEST_SUITE("rolling sum test" ); |
72 | |
73 | test->add(BOOST_TEST_CASE(&test_stat)); |
74 | test->add(BOOST_TEST_CASE(&test_persistency)); |
75 | |
76 | return test; |
77 | } |
78 | |