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/*
* This file is part of PowerDNS or dnsdist.
* Copyright -- PowerDNS.COM B.V. and its contributors
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* In addition, for the avoidance of any doubt, permission is granted to
* link this program with OpenSSL and to (re)distribute the binaries
* produced as the result of such linking.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef BOOST_TEST_DYN_LINK
#define BOOST_TEST_DYN_LINK
#endif
#define BOOST_TEST_NO_MAIN
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <boost/test/unit_test.hpp>
#include "histogram.hh"
BOOST_AUTO_TEST_SUITE(histogram_hh)
BOOST_AUTO_TEST_CASE(test_simple)
{
auto h = pdns::AtomicHistogram("myname-", {1, 3, 5, 10, 100});
h(0);
h(1);
h(1);
h(3);
h(4);
h(100);
h(101);
h(-1); // actually a very large value, but for sum it will boil down to be -1 */
auto data = h.getRawData();
BOOST_CHECK_EQUAL(data.size(), 6U);
uint64_t expected[] = {3, 1, 1, 0, 1, 2};
size_t i = 0;
for (auto e : expected) {
BOOST_CHECK_EQUAL(data[i++].d_count, e);
}
auto c = h.getCumulativeCounts();
BOOST_CHECK_EQUAL(data.size(), 6U);
uint64_t cexpected[] = {3, 4, 5, 5, 6, 8};
i = 0;
for (auto e : cexpected) {
BOOST_CHECK_EQUAL(c[i++], e);
}
BOOST_CHECK_EQUAL(h.getSum(), 209U);
}
BOOST_AUTO_TEST_SUITE_END()
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