import new upstream nautilus stable release 14.2.8

[ceph.git] / ceph / src / boost / libs / accumulators / test / rolling_mean.cpp

diff --git a/ceph/src/boost/libs/accumulators/test/rolling_mean.cpp b/ceph/src/boost/libs/accumulators/test/rolling_mean.cpp
index 54888b9aaf4b9ae1aed971e1b511d5ac6f8d2afa..f8037b4b07de79c13fb0d50ecd56041931316e86 100644 (file)
--- a/ceph/src/boost/libs/accumulators/test/rolling_mean.cpp
+++ b/ceph/src/boost/libs/accumulators/test/rolling_mean.cpp
@@ -11,6 +11,9 @@
 #include <boost/accumulators/accumulators.hpp>
 #include <boost/accumulators/statistics/stats.hpp>
 #include <boost/accumulators/statistics/rolling_mean.hpp>
+#include <sstream>
+#include <boost/archive/text_oarchive.hpp>
+#include <boost/archive/text_iarchive.hpp>
 
 using namespace boost;
 using namespace unit_test;
@@ -54,6 +57,67 @@ test_rolling_mean_test_impl(accumulator_set_type& acc)
     assert_is_double(rolling_mean(acc));
 }
 
+template<typename accumulator_set_type>
+void
+test_rolling_mean_unsigned_test_impl(accumulator_set_type& acc)
+{
+    acc(7U);
+    BOOST_CHECK_CLOSE(7., rolling_mean(acc), 1e-5);
+
+    acc(6U);
+    BOOST_CHECK_CLOSE(6.5, rolling_mean(acc), 1e-5);
+
+    acc(5U);
+    BOOST_CHECK_CLOSE(6., rolling_mean(acc), 1e-5);
+
+    acc(4U);
+    BOOST_CHECK_CLOSE(5.5, rolling_mean(acc), 1e-5);
+
+    acc(3U);
+    BOOST_CHECK_CLOSE(5., rolling_mean(acc), 1e-5);
+
+    acc(2U);
+    BOOST_CHECK_CLOSE(4., rolling_mean(acc), 1e-5);
+
+    acc(1U);
+    BOOST_CHECK_CLOSE(3., rolling_mean(acc), 1e-5);
+
+    assert_is_double(rolling_mean(acc));
+}
+
+///////////////////////////////////////////////////////////////////////////////
+// test_persistency_impl
+//
+template<typename accumulator_set_type>
+void test_persistency_impl(accumulator_set_type& acc)
+{
+    std::stringstream ss;
+    {
+        acc(1);
+        acc(2);
+        acc(3);
+        acc(4);
+        acc(5);
+        acc(6);
+        acc(7);
+        BOOST_CHECK_CLOSE(5., rolling_mean(acc), 1e-5);
+        boost::archive::text_oarchive oa(ss);
+        acc.serialize(oa, 0);
+    }
+    // initialize from acc to make sure all values are passed
+    accumulator_set_type other_acc = acc;
+    // accumulate more, to make sure that deserialization set the right value
+    // and not the copy ctor
+    other_acc(100);
+    other_acc(100);
+    other_acc(100);
+    other_acc(100);
+    other_acc(100);
+    boost::archive::text_iarchive ia(ss);
+    other_acc.serialize(ia, 0);
+    BOOST_CHECK_CLOSE(5., rolling_mean(other_acc), 1e-5);
+}
+
 ///////////////////////////////////////////////////////////////////////////////
 // test_rolling_mean
 void test_rolling_mean()
@@ -97,8 +161,50 @@ void test_rolling_mean()
     BOOST_CHECK  (sizeof(acc_lazy_rolling_mean) == sizeof(acc_lazy_rolling_mean3));
     BOOST_CHECK  (sizeof(acc_immediate_rolling_mean) == sizeof(acc_immediate_rolling_mean2));
     BOOST_CHECK  (sizeof(acc_immediate_rolling_mean) == sizeof(acc_immediate_rolling_mean3));
+
+    //// test unsigned int with both implementations
+    accumulator_set<unsigned int,stats<tag::immediate_rolling_mean> >
+    acc_immediate_rolling_mean4(tag::immediate_rolling_mean::window_size = window_size),
+    acc_immediate_rolling_mean5(tag::immediate_rolling_mean::window_size = window_size, sample = 0);
+
+    test_rolling_mean_unsigned_test_impl(acc_immediate_rolling_mean4);
+    test_rolling_mean_unsigned_test_impl(acc_immediate_rolling_mean5);
 }
 
+///////////////////////////////////////////////////////////////////////////////
+// test_persistency
+void test_persistency()
+{
+    accumulator_set<int,stats<tag::immediate_rolling_mean> >
+        acc_immediate_rolling_mean(tag::immediate_rolling_mean::window_size = window_size),
+        acc_immediate_rolling_mean2(tag::immediate_rolling_mean::window_size = window_size, sample = 0);
+
+    accumulator_set<int,stats<tag::rolling_mean(immediate)> >
+       acc_immediate_rolling_mean3(tag::immediate_rolling_mean::window_size = window_size);
+
+    accumulator_set<int,stats<tag::lazy_rolling_mean> >
+        acc_lazy_rolling_mean(tag::lazy_rolling_mean::window_size = window_size),
+        acc_lazy_rolling_mean2(tag::lazy_rolling_mean::window_size = window_size, sample = 0);
+
+    accumulator_set<int,stats<tag::rolling_mean(lazy)> >
+       acc_lazy_rolling_mean3(tag::lazy_rolling_mean::window_size = window_size);
+
+    accumulator_set<int,stats<tag::rolling_mean> >
+        acc_default_rolling_mean(tag::rolling_mean::window_size = window_size),
+        acc_default_rolling_mean2(tag::rolling_mean::window_size = window_size, sample = 0);
+
+    //// test the different implementations
+    test_persistency_impl(acc_lazy_rolling_mean);
+    test_persistency_impl(acc_default_rolling_mean);
+    test_persistency_impl(acc_immediate_rolling_mean);
+
+    test_persistency_impl(acc_lazy_rolling_mean2);
+    test_persistency_impl(acc_default_rolling_mean2);
+    test_persistency_impl(acc_immediate_rolling_mean2);
+
+    test_persistency_impl(acc_lazy_rolling_mean3);
+    test_persistency_impl(acc_immediate_rolling_mean3);
+}
 ///////////////////////////////////////////////////////////////////////////////
 // init_unit_test_suite
 //
@@ -107,6 +213,7 @@ test_suite* init_unit_test_suite( int argc, char* argv[] )
     test_suite *test = BOOST_TEST_SUITE("rolling mean test");
 
     test->add(BOOST_TEST_CASE(&test_rolling_mean));
+    test->add(BOOST_TEST_CASE(&test_persistency));
 
     return test;
 }