| // (C) Copyright Eric Niebler 2008. |
| // Use, modification and distribution are subject to the |
| // Boost Software License, Version 1.0. (See accompanying file |
| // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
| |
| #include <boost/test/unit_test.hpp> |
| #include <boost/accumulators/accumulators.hpp> |
| #include <boost/accumulators/statistics/stats.hpp> |
| #include <boost/accumulators/statistics/rolling_sum.hpp> |
| |
| using namespace boost; |
| using namespace unit_test; |
| using namespace accumulators; |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| // test_stat |
| // |
| void test_stat() |
| { |
| accumulator_set<int, stats<tag::rolling_sum> > acc(tag::rolling_window::window_size = 3); |
| |
| BOOST_CHECK_EQUAL(0, rolling_sum(acc)); |
| |
| acc(1); |
| BOOST_CHECK_EQUAL(1, rolling_sum(acc)); |
| |
| acc(2); |
| BOOST_CHECK_EQUAL(3, rolling_sum(acc)); |
| |
| acc(3); |
| BOOST_CHECK_EQUAL(6, rolling_sum(acc)); |
| |
| acc(4); |
| BOOST_CHECK_EQUAL(9, rolling_sum(acc)); |
| |
| acc(5); |
| BOOST_CHECK_EQUAL(12, rolling_sum(acc)); |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| // init_unit_test_suite |
| // |
| test_suite* init_unit_test_suite( int argc, char* argv[] ) |
| { |
| test_suite *test = BOOST_TEST_SUITE("rolling sum test"); |
| |
| test->add(BOOST_TEST_CASE(&test_stat)); |
| |
| return test; |
| } |