1 files changed, 77 insertions, 0 deletions
diff --git a/src/boost/libs/accumulators/test/rolling_sum.cpp b/src/boost/libs/accumulators/test/rolling_sum.cpp
new file mode 100644
index 00000000..374514c0
--- /dev/null
+++ b/src/boost/libs/accumulators/test/rolling_sum.cpp
@@ -0,0 +1,77 @@
+//  (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>
+#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::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));
+}
+
+///////////////////////////////////////////////////////////////////////////////
+// test_persistency
+//
+void test_persistency()
+{
+    std::stringstream ss;
+    {
+        accumulator_set<int, stats<tag::rolling_sum> > acc(tag::rolling_window::window_size = 3);
+        acc(1);
+        acc(2);
+        acc(3);
+        acc(4);
+        acc(5);
+        BOOST_CHECK_EQUAL(12, rolling_sum(acc));
+        boost::archive::text_oarchive oa(ss);
+        acc.serialize(oa, 0);
+    }
+    accumulator_set<int, stats<tag::rolling_sum> > acc(tag::rolling_window::window_size = 3);
+    boost::archive::text_iarchive ia(ss);
+    acc.serialize(ia, 0);
+    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));
+    test->add(BOOST_TEST_CASE(&test_persistency));
+
+    return test;
+}