ceph/src/boost/libs/accumulators/test/sum.cpp

   1 //  (C) Copyright Eric Niebler 2005.
   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/sum.hpp>
  10 #include <boost/accumulators/statistics/weighted_sum.hpp>
  11 #include <boost/accumulators/statistics/variates/covariate.hpp>
  12 #include <sstream>
  13 #include <boost/archive/text_oarchive.hpp>
  14 #include <boost/archive/text_iarchive.hpp>
  15
  16 using namespace boost;
  17 using namespace unit_test;
  18 using namespace accumulators;
  19
  20 ///////////////////////////////////////////////////////////////////////////////
  21 // test_stat
  22 //
  23 void test_stat()
  24 {
  25     accumulator_set<int, stats<tag::sum, tag::sum_of_weights, tag::sum_of_variates<int, tag::covariate1> >, int> acc;
  26
  27     acc(1, weight = 2, covariate1 = 3);
  28     BOOST_CHECK_EQUAL(2, sum(acc));
  29     BOOST_CHECK_EQUAL(2, sum_of_weights(acc));
  30     BOOST_CHECK_EQUAL(3, sum_of_variates(acc));
  31
  32     acc(2, weight = 4, covariate1 = 6);
  33     BOOST_CHECK_EQUAL(10, sum(acc));
  34     BOOST_CHECK_EQUAL(6, sum_of_weights(acc));
  35     BOOST_CHECK_EQUAL(9, sum_of_variates(acc));
  36
  37     acc(3, weight = 6, covariate1 = 9);
  38     BOOST_CHECK_EQUAL(28, sum(acc));
  39     BOOST_CHECK_EQUAL(12, sum_of_weights(acc));
  40     BOOST_CHECK_EQUAL(18, sum_of_variates(acc));
  41 }
  42
  43 ///////////////////////////////////////////////////////////////////////////////
  44 // test_persistency
  45 //
  46 void test_persistency()
  47 {
  48     std::stringstream ss;
  49     {
  50         accumulator_set<int, stats<tag::sum, tag::sum_of_weights, tag::sum_of_variates<int, tag::covariate1> >, int> acc;
  51         acc(1, weight = 2, covariate1 = 3);
  52         acc(2, weight = 4, covariate1 = 6);
  53         acc(3, weight = 6, covariate1 = 9);
  54         BOOST_CHECK_EQUAL(28, sum(acc));
  55         BOOST_CHECK_EQUAL(12, sum_of_weights(acc));
  56         BOOST_CHECK_EQUAL(18, sum_of_variates(acc));
  57
  58         boost::archive::text_oarchive oa(ss);
  59         acc.serialize(oa, 0);
  60     }
  61     accumulator_set<int, stats<tag::sum, tag::sum_of_weights, tag::sum_of_variates<int, tag::covariate1> >, int> acc;
  62     boost::archive::text_iarchive ia(ss);
  63     acc.serialize(ia, 0);
  64     BOOST_CHECK_EQUAL(28, sum(acc));
  65     BOOST_CHECK_EQUAL(12, sum_of_weights(acc));
  66     BOOST_CHECK_EQUAL(18, sum_of_variates(acc));
  67 }
  68
  69 ///////////////////////////////////////////////////////////////////////////////
  70 // init_unit_test_suite
  71 //
  72 test_suite* init_unit_test_suite( int argc, char* argv[] )
  73 {
  74     test_suite *test = BOOST_TEST_SUITE("sum test");
  75
  76     test->add(BOOST_TEST_CASE(&test_stat));
  77     test->add(BOOST_TEST_CASE(&test_persistency));
  78
  79     return test;
  80 }