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/**
* Copyright (C) 2020-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* 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
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the Server Side Public License in all respects for
* all of the code used other than as permitted herein. If you modify file(s)
* with this exception, you may extend this exception to your version of the
* file(s), but you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version. If you delete this
* exception statement from all source files in the program, then also delete
* it in the license file.
*/
#include "mongo/platform/basic.h"
#include "mongo/db/service_context_test_fixture.h"
#include "mongo/db/vector_clock_mutable.h"
#include "mongo/unittest/death_test.h"
#include "mongo/unittest/unittest.h"
namespace mongo {
namespace {
using VectorClockMongoDTest = ServiceContextTest;
TEST_F(VectorClockMongoDTest, TickClusterTime) {
auto sc = getGlobalServiceContext();
auto vc = VectorClockMutable::get(sc);
const auto t0 = vc->getTime();
ASSERT_EQ(LogicalTime(), t0[VectorClock::Component::ClusterTime]);
const auto r1 = vc->tick(VectorClock::Component::ClusterTime, 1);
const auto t1 = vc->getTime();
ASSERT_EQ(r1, t1[VectorClock::Component::ClusterTime]);
ASSERT_GT(r1, t0[VectorClock::Component::ClusterTime]);
const auto r2 = vc->tick(VectorClock::Component::ClusterTime, 2);
const auto t2 = vc->getTime();
ASSERT_GT(r2, r1);
ASSERT_GT(t2[VectorClock::Component::ClusterTime], r1);
}
TEST_F(VectorClockMongoDTest, GossipOutTest) {
// TODO SERVER-47914: after ClusterTime gossiping has been re-enabled: get the gossipOut
// internal and external, and for each check that $clusterTime is there, with the right format,
// and right value, and not configTime.
// auto sc = getGlobalServiceContext();
// auto vc = VectorClockMutable::get(sc);
// const auto r1 = vc->tick(VectorClock::Component::ClusterTime, 1);
}
TEST_F(VectorClockMongoDTest, GossipInTest) {
// TODO SERVER-47914: after ClusterTime gossiping has been re-enabled: for each of gossipIn
// internal and external, give it BSON in the correct format, and then check that ClusterTime
// has been advanced (or not), and that ConfigTime has not.
// auto sc = getGlobalServiceContext();
// auto vc = VectorClockMutable::get(sc);
// const auto r1 = vc->tick(VectorClock::Component::ClusterTime, 1);
}
DEATH_TEST_F(VectorClockMongoDTest, CannotTickConfigTime, "Hit a MONGO_UNREACHABLE") {
auto sc = getGlobalServiceContext();
auto vc = VectorClockMutable::get(sc);
vc->tick(VectorClock::Component::ConfigTime, 1);
}
DEATH_TEST_F(VectorClockMongoDTest, CannotTickToClusterTime, "Hit a MONGO_UNREACHABLE") {
auto sc = getGlobalServiceContext();
auto vc = VectorClockMutable::get(sc);
vc->tickTo(VectorClock::Component::ClusterTime, LogicalTime());
}
DEATH_TEST_F(VectorClockMongoDTest, CannotTickToConfigTime, "Hit a MONGO_UNREACHABLE") {
auto sc = getGlobalServiceContext();
auto vc = VectorClockMutable::get(sc);
vc->tickTo(VectorClock::Component::ConfigTime, LogicalTime());
}
} // namespace
} // namespace mongo
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