accumulators/test/count.cpp
Yuval Lifshitz ff9432f97b Allow accumulator persistency (#18)
* Add, and update, documentation build targets.

* adding serialization to stats

* serialize rolling stats
2019-05-10 15:39:28 -07:00

78 lines
2.0 KiB
C++

// (C) Copyright Eric Niebler 2005.
// 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/count.hpp>
#include <sstream>
#include <boost/archive/text_oarchive.hpp>
#include <boost/archive/text_iarchive.hpp>
using namespace boost;
using namespace unit_test;
using namespace accumulators;
///////////////////////////////////////////////////////////////////////////////
// test_stat
//
void test_stat()
{
accumulator_set<int, stats<tag::count> > acc;
acc(1);
BOOST_CHECK_EQUAL(1u, count(acc));
acc(1);
BOOST_CHECK_EQUAL(2u, count(acc));
acc(1);
BOOST_CHECK_EQUAL(3u, count(acc));
acc(1);
BOOST_CHECK_EQUAL(4u, count(acc));
acc(1);
BOOST_CHECK_EQUAL(5u, count(acc));
}
///////////////////////////////////////////////////////////////////////////////
// test_persistency
//
void test_persistency()
{
// "persistent" storage
std::stringstream ss;
{
accumulator_set<int, stats<tag::count> > acc;
acc(1);
acc(1);
acc(1);
acc(1);
BOOST_CHECK_EQUAL(4u, count(acc));
boost::archive::text_oarchive oa(ss);
acc.serialize(oa, 0);
}
accumulator_set<int, stats<tag::count> > acc;
BOOST_CHECK_EQUAL(0u, count(acc));
boost::archive::text_iarchive ia(ss);
acc.serialize(ia, 0);
BOOST_CHECK_EQUAL(4u, count(acc));
}
///////////////////////////////////////////////////////////////////////////////
// init_unit_test_suite
//
test_suite* init_unit_test_suite( int argc, char* argv[] )
{
test_suite *test = BOOST_TEST_SUITE("count test");
test->add(BOOST_TEST_CASE(&test_stat));
test->add(BOOST_TEST_CASE(&test_persistency));
return test;
}